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			8608 lines
		
	
	
	
		
			287 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			8608 lines
		
	
	
	
		
			287 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 | ||
| /* vim:expandtab:shiftwidth=2:tabstop=2:
 | ||
|  */
 | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public
 | ||
|  * License, v. 2.0. If a copy of the MPL was not distributed with this
 | ||
|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 | ||
| 
 | ||
| #include "nsWindow.h"
 | ||
| 
 | ||
| #include "mozilla/ArrayUtils.h"
 | ||
| #include "mozilla/EventForwards.h"
 | ||
| #include "mozilla/Maybe.h"
 | ||
| #include "mozilla/MiscEvents.h"
 | ||
| #include "mozilla/MouseEvents.h"
 | ||
| #include "mozilla/PresShell.h"
 | ||
| #include "mozilla/ProfilerLabels.h"
 | ||
| #include "mozilla/RefPtr.h"
 | ||
| #include "mozilla/ScopeExit.h"
 | ||
| #include "mozilla/StaticPrefs_apz.h"
 | ||
| #include "mozilla/StaticPrefs_ui.h"
 | ||
| #include "mozilla/TextEventDispatcher.h"
 | ||
| #include "mozilla/TextEvents.h"
 | ||
| #include "mozilla/TimeStamp.h"
 | ||
| #include "mozilla/TouchEvents.h"
 | ||
| #include "mozilla/UniquePtrExtensions.h"
 | ||
| #include "mozilla/WidgetUtils.h"
 | ||
| #include "mozilla/WritingModes.h"
 | ||
| #include "mozilla/X11Util.h"
 | ||
| #include "mozilla/XREAppData.h"
 | ||
| #include "mozilla/dom/Document.h"
 | ||
| #include "mozilla/dom/WheelEventBinding.h"
 | ||
| #include "InputData.h"
 | ||
| #include "nsAppRunner.h"
 | ||
| #include <algorithm>
 | ||
| 
 | ||
| #include "prlink.h"
 | ||
| #include "nsGTKToolkit.h"
 | ||
| #include "nsIRollupListener.h"
 | ||
| #include "nsINode.h"
 | ||
| 
 | ||
| #include "nsWidgetsCID.h"
 | ||
| #include "nsDragService.h"
 | ||
| #include "nsIWidgetListener.h"
 | ||
| #include "nsIScreenManager.h"
 | ||
| #include "SystemTimeConverter.h"
 | ||
| #include "nsViewManager.h"
 | ||
| #include "nsMenuPopupFrame.h"
 | ||
| #include "nsXPLookAndFeel.h"
 | ||
| 
 | ||
| #include "nsGtkKeyUtils.h"
 | ||
| #include "nsGtkCursors.h"
 | ||
| #include "ScreenHelperGTK.h"
 | ||
| #include "WidgetUtilsGtk.h"
 | ||
| 
 | ||
| #include <gtk/gtk.h>
 | ||
| #include <gtk/gtkx.h>
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| #  include <gdk/gdkwayland.h>
 | ||
| #endif /* MOZ_WAYLAND */
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
| #  include <gdk/gdkx.h>
 | ||
| #  include <X11/Xatom.h>
 | ||
| #  include <X11/extensions/XShm.h>
 | ||
| #  include <X11/extensions/shape.h>
 | ||
| #  include <gdk/gdkkeysyms-compat.h>
 | ||
| #endif /* MOZ_X11 */
 | ||
| 
 | ||
| #include <gdk/gdkkeysyms.h>
 | ||
| 
 | ||
| #if defined(MOZ_WAYLAND)
 | ||
| #  include <gdk/gdkwayland.h>
 | ||
| #  include "nsView.h"
 | ||
| #endif
 | ||
| 
 | ||
| #include "nsGkAtoms.h"
 | ||
| 
 | ||
| #include "mozilla/Assertions.h"
 | ||
| #include "mozilla/Likely.h"
 | ||
| #include "mozilla/Preferences.h"
 | ||
| #include "nsGfxCIID.h"
 | ||
| #include "nsGtkUtils.h"
 | ||
| #include "nsLayoutUtils.h"
 | ||
| #include "mozilla/layers/LayersTypes.h"
 | ||
| #include "nsIUserIdleServiceInternal.h"
 | ||
| #include "GLContext.h"
 | ||
| #include "gfx2DGlue.h"
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
| #  include "mozilla/a11y/LocalAccessible.h"
 | ||
| #  include "mozilla/a11y/Platform.h"
 | ||
| #  include "nsAccessibilityService.h"
 | ||
| 
 | ||
| using namespace mozilla;
 | ||
| using namespace mozilla::widget;
 | ||
| #endif
 | ||
| 
 | ||
| /* For SetIcon */
 | ||
| #include "nsAppDirectoryServiceDefs.h"
 | ||
| #include "nsString.h"
 | ||
| #include "nsIFile.h"
 | ||
| 
 | ||
| /* SetCursor(imgIContainer*) */
 | ||
| #include <gdk/gdk.h>
 | ||
| #include <wchar.h>
 | ||
| #include "imgIContainer.h"
 | ||
| #include "nsGfxCIID.h"
 | ||
| #include "nsImageToPixbuf.h"
 | ||
| #include "nsIInterfaceRequestorUtils.h"
 | ||
| #include "ClientLayerManager.h"
 | ||
| #include "nsIGSettingsService.h"
 | ||
| 
 | ||
| #include "gfxPlatformGtk.h"
 | ||
| #include "gfxContext.h"
 | ||
| #include "gfxImageSurface.h"
 | ||
| #include "gfxUtils.h"
 | ||
| #include "Layers.h"
 | ||
| #include "GLContextProvider.h"
 | ||
| #include "mozilla/gfx/2D.h"
 | ||
| #include "mozilla/gfx/HelpersCairo.h"
 | ||
| #include "mozilla/gfx/GPUProcessManager.h"
 | ||
| #include "mozilla/layers/CompositorBridgeParent.h"
 | ||
| #include "mozilla/layers/CompositorThread.h"
 | ||
| #include "mozilla/layers/KnowsCompositor.h"
 | ||
| #include "mozilla/layers/WebRenderBridgeChild.h"
 | ||
| #include "mozilla/layers/WebRenderLayerManager.h"
 | ||
| 
 | ||
| #include "mozilla/layers/APZInputBridge.h"
 | ||
| #include "mozilla/layers/IAPZCTreeManager.h"
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
| #  include "mozilla/gfx/gfxVars.h"
 | ||
| #  include "GLContextGLX.h"  // for GLContextGLX::FindVisual()
 | ||
| #  include "GLContextEGL.h"  // for GLContextEGL::FindVisual()
 | ||
| #  include "GtkCompositorWidget.h"
 | ||
| #  include "gfxXlibSurface.h"
 | ||
| #  include "WindowSurfaceX11Image.h"
 | ||
| #  include "WindowSurfaceX11SHM.h"
 | ||
| #  include "WindowSurfaceXRender.h"
 | ||
| #endif  // MOZ_X11
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| #  include "nsIClipboard.h"
 | ||
| #endif
 | ||
| 
 | ||
| #include "nsShmImage.h"
 | ||
| #include "gtkdrawing.h"
 | ||
| 
 | ||
| #include "NativeKeyBindings.h"
 | ||
| 
 | ||
| #include <dlfcn.h>
 | ||
| #include "nsPresContext.h"
 | ||
| 
 | ||
| using namespace mozilla;
 | ||
| using namespace mozilla::gfx;
 | ||
| using namespace mozilla::widget;
 | ||
| using namespace mozilla::layers;
 | ||
| using mozilla::gl::GLContextEGL;
 | ||
| using mozilla::gl::GLContextGLX;
 | ||
| 
 | ||
| // Don't put more than this many rects in the dirty region, just fluff
 | ||
| // out to the bounding-box if there are more
 | ||
| #define MAX_RECTS_IN_REGION 100
 | ||
| 
 | ||
| #if !GTK_CHECK_VERSION(3, 18, 0)
 | ||
| 
 | ||
| struct _GdkEventTouchpadPinch {
 | ||
|   GdkEventType type;
 | ||
|   GdkWindow* window;
 | ||
|   gint8 send_event;
 | ||
|   gint8 phase;
 | ||
|   gint8 n_fingers;
 | ||
|   guint32 time;
 | ||
|   gdouble x;
 | ||
|   gdouble y;
 | ||
|   gdouble dx;
 | ||
|   gdouble dy;
 | ||
|   gdouble angle_delta;
 | ||
|   gdouble scale;
 | ||
|   gdouble x_root, y_root;
 | ||
|   guint state;
 | ||
| };
 | ||
| 
 | ||
| typedef enum {
 | ||
|   GDK_TOUCHPAD_GESTURE_PHASE_BEGIN,
 | ||
|   GDK_TOUCHPAD_GESTURE_PHASE_UPDATE,
 | ||
|   GDK_TOUCHPAD_GESTURE_PHASE_END,
 | ||
|   GDK_TOUCHPAD_GESTURE_PHASE_CANCEL
 | ||
| } GdkTouchpadGesturePhase;
 | ||
| 
 | ||
| GdkEventMask GDK_TOUCHPAD_GESTURE_MASK = static_cast<GdkEventMask>(1 << 24);
 | ||
| GdkEventType GDK_TOUCHPAD_PINCH = static_cast<GdkEventType>(42);
 | ||
| 
 | ||
| #endif
 | ||
| 
 | ||
| const gint kEvents = GDK_TOUCHPAD_GESTURE_MASK | GDK_EXPOSURE_MASK |
 | ||
|                      GDK_STRUCTURE_MASK | GDK_VISIBILITY_NOTIFY_MASK |
 | ||
|                      GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
 | ||
|                      GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
 | ||
|                      GDK_SMOOTH_SCROLL_MASK | GDK_TOUCH_MASK | GDK_SCROLL_MASK |
 | ||
|                      GDK_POINTER_MOTION_MASK | GDK_PROPERTY_CHANGE_MASK;
 | ||
| 
 | ||
| #if !GTK_CHECK_VERSION(3, 22, 0)
 | ||
| typedef enum {
 | ||
|   GDK_ANCHOR_FLIP_X = 1 << 0,
 | ||
|   GDK_ANCHOR_FLIP_Y = 1 << 1,
 | ||
|   GDK_ANCHOR_SLIDE_X = 1 << 2,
 | ||
|   GDK_ANCHOR_SLIDE_Y = 1 << 3,
 | ||
|   GDK_ANCHOR_RESIZE_X = 1 << 4,
 | ||
|   GDK_ANCHOR_RESIZE_Y = 1 << 5,
 | ||
|   GDK_ANCHOR_FLIP = GDK_ANCHOR_FLIP_X | GDK_ANCHOR_FLIP_Y,
 | ||
|   GDK_ANCHOR_SLIDE = GDK_ANCHOR_SLIDE_X | GDK_ANCHOR_SLIDE_Y,
 | ||
|   GDK_ANCHOR_RESIZE = GDK_ANCHOR_RESIZE_X | GDK_ANCHOR_RESIZE_Y
 | ||
| } GdkAnchorHints;
 | ||
| #endif
 | ||
| 
 | ||
| /* utility functions */
 | ||
| static bool is_mouse_in_window(GdkWindow* aWindow, gdouble aMouseX,
 | ||
|                                gdouble aMouseY);
 | ||
| static nsWindow* get_window_for_gtk_widget(GtkWidget* widget);
 | ||
| static nsWindow* get_window_for_gdk_window(GdkWindow* window);
 | ||
| static GtkWidget* get_gtk_widget_for_gdk_window(GdkWindow* window);
 | ||
| static GdkCursor* get_gtk_cursor(nsCursor aCursor);
 | ||
| 
 | ||
| static GdkWindow* get_inner_gdk_window(GdkWindow* aWindow, gint x, gint y,
 | ||
|                                        gint* retx, gint* rety);
 | ||
| 
 | ||
| static int is_parent_ungrab_enter(GdkEventCrossing* aEvent);
 | ||
| static int is_parent_grab_leave(GdkEventCrossing* aEvent);
 | ||
| 
 | ||
| /* callbacks from widgets */
 | ||
| static gboolean expose_event_cb(GtkWidget* widget, cairo_t* rect);
 | ||
| static gboolean configure_event_cb(GtkWidget* widget, GdkEventConfigure* event);
 | ||
| static void container_unrealize_cb(GtkWidget* widget);
 | ||
| static void size_allocate_cb(GtkWidget* widget, GtkAllocation* allocation);
 | ||
| static void toplevel_window_size_allocate_cb(GtkWidget* widget,
 | ||
|                                              GtkAllocation* allocation);
 | ||
| static gboolean delete_event_cb(GtkWidget* widget, GdkEventAny* event);
 | ||
| static gboolean enter_notify_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventCrossing* event);
 | ||
| static gboolean leave_notify_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventCrossing* event);
 | ||
| static gboolean motion_notify_event_cb(GtkWidget* widget,
 | ||
|                                        GdkEventMotion* event);
 | ||
| MOZ_CAN_RUN_SCRIPT static gboolean button_press_event_cb(GtkWidget* widget,
 | ||
|                                                          GdkEventButton* event);
 | ||
| static gboolean button_release_event_cb(GtkWidget* widget,
 | ||
|                                         GdkEventButton* event);
 | ||
| static gboolean focus_in_event_cb(GtkWidget* widget, GdkEventFocus* event);
 | ||
| static gboolean focus_out_event_cb(GtkWidget* widget, GdkEventFocus* event);
 | ||
| static gboolean key_press_event_cb(GtkWidget* widget, GdkEventKey* event);
 | ||
| static gboolean key_release_event_cb(GtkWidget* widget, GdkEventKey* event);
 | ||
| static gboolean property_notify_event_cb(GtkWidget* widget,
 | ||
|                                          GdkEventProperty* event);
 | ||
| static gboolean scroll_event_cb(GtkWidget* widget, GdkEventScroll* event);
 | ||
| 
 | ||
| static void hierarchy_changed_cb(GtkWidget* widget,
 | ||
|                                  GtkWidget* previous_toplevel);
 | ||
| static gboolean window_state_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventWindowState* event);
 | ||
| static void settings_changed_cb(GtkSettings* settings, GParamSpec* pspec,
 | ||
|                                 nsWindow* data);
 | ||
| static void settings_xft_dpi_changed_cb(GtkSettings* settings,
 | ||
|                                         GParamSpec* pspec, nsWindow* data);
 | ||
| static void check_resize_cb(GtkContainer* container, gpointer user_data);
 | ||
| static void screen_composited_changed_cb(GdkScreen* screen, gpointer user_data);
 | ||
| static void widget_composited_changed_cb(GtkWidget* widget, gpointer user_data);
 | ||
| 
 | ||
| static void scale_changed_cb(GtkWidget* widget, GParamSpec* aPSpec,
 | ||
|                              gpointer aPointer);
 | ||
| static gboolean touch_event_cb(GtkWidget* aWidget, GdkEventTouch* aEvent);
 | ||
| static gboolean generic_event_cb(GtkWidget* widget, GdkEvent* aEvent);
 | ||
| 
 | ||
| static nsWindow* GetFirstNSWindowForGDKWindow(GdkWindow* aGdkWindow);
 | ||
| 
 | ||
| #ifdef __cplusplus
 | ||
| extern "C" {
 | ||
| #endif /* __cplusplus */
 | ||
| #ifdef MOZ_X11
 | ||
| static GdkFilterReturn popup_take_focus_filter(GdkXEvent* gdk_xevent,
 | ||
|                                                GdkEvent* event, gpointer data);
 | ||
| #endif /* MOZ_X11 */
 | ||
| #ifdef __cplusplus
 | ||
| }
 | ||
| #endif /* __cplusplus */
 | ||
| 
 | ||
| static gboolean drag_motion_event_cb(GtkWidget* aWidget,
 | ||
|                                      GdkDragContext* aDragContext, gint aX,
 | ||
|                                      gint aY, guint aTime, gpointer aData);
 | ||
| static void drag_leave_event_cb(GtkWidget* aWidget,
 | ||
|                                 GdkDragContext* aDragContext, guint aTime,
 | ||
|                                 gpointer aData);
 | ||
| static gboolean drag_drop_event_cb(GtkWidget* aWidget,
 | ||
|                                    GdkDragContext* aDragContext, gint aX,
 | ||
|                                    gint aY, guint aTime, gpointer aData);
 | ||
| static void drag_data_received_event_cb(GtkWidget* aWidget,
 | ||
|                                         GdkDragContext* aDragContext, gint aX,
 | ||
|                                         gint aY,
 | ||
|                                         GtkSelectionData* aSelectionData,
 | ||
|                                         guint aInfo, guint32 aTime,
 | ||
|                                         gpointer aData);
 | ||
| 
 | ||
| /* initialization static functions */
 | ||
| static nsresult initialize_prefs(void);
 | ||
| 
 | ||
| static guint32 sLastUserInputTime = GDK_CURRENT_TIME;
 | ||
| static guint32 sRetryGrabTime;
 | ||
| 
 | ||
| static SystemTimeConverter<guint32>& TimeConverter() {
 | ||
|   static SystemTimeConverter<guint32> sTimeConverterSingleton;
 | ||
|   return sTimeConverterSingleton;
 | ||
| }
 | ||
| 
 | ||
| nsWindow::GtkWindowDecoration nsWindow::sGtkWindowDecoration =
 | ||
|     GTK_DECORATION_UNKNOWN;
 | ||
| bool nsWindow::sTransparentMainWindow = false;
 | ||
| static bool sIgnoreChangedSettings = false;
 | ||
| 
 | ||
| void nsWindow::WithSettingsChangesIgnored(const std::function<void()>& aFn) {
 | ||
|   AutoRestore ar(sIgnoreChangedSettings);
 | ||
|   sIgnoreChangedSettings = true;
 | ||
|   aFn();
 | ||
| }
 | ||
| 
 | ||
| namespace mozilla {
 | ||
| 
 | ||
| class CurrentX11TimeGetter {
 | ||
|  public:
 | ||
|   explicit CurrentX11TimeGetter(GdkWindow* aWindow)
 | ||
|       : mWindow(aWindow), mAsyncUpdateStart() {}
 | ||
| 
 | ||
|   guint32 GetCurrentTime() const { return gdk_x11_get_server_time(mWindow); }
 | ||
| 
 | ||
|   void GetTimeAsyncForPossibleBackwardsSkew(const TimeStamp& aNow) {
 | ||
|     // Check for in-flight request
 | ||
|     if (!mAsyncUpdateStart.IsNull()) {
 | ||
|       return;
 | ||
|     }
 | ||
|     mAsyncUpdateStart = aNow;
 | ||
| 
 | ||
|     Display* xDisplay = GDK_WINDOW_XDISPLAY(mWindow);
 | ||
|     Window xWindow = GDK_WINDOW_XID(mWindow);
 | ||
|     unsigned char c = 'a';
 | ||
|     Atom timeStampPropAtom = TimeStampPropAtom();
 | ||
|     XChangeProperty(xDisplay, xWindow, timeStampPropAtom, timeStampPropAtom, 8,
 | ||
|                     PropModeReplace, &c, 1);
 | ||
|     XFlush(xDisplay);
 | ||
|   }
 | ||
| 
 | ||
|   gboolean PropertyNotifyHandler(GtkWidget* aWidget, GdkEventProperty* aEvent) {
 | ||
|     if (aEvent->atom != gdk_x11_xatom_to_atom(TimeStampPropAtom())) {
 | ||
|       return FALSE;
 | ||
|     }
 | ||
| 
 | ||
|     guint32 eventTime = aEvent->time;
 | ||
|     TimeStamp lowerBound = mAsyncUpdateStart;
 | ||
| 
 | ||
|     TimeConverter().CompensateForBackwardsSkew(eventTime, lowerBound);
 | ||
|     mAsyncUpdateStart = TimeStamp();
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|  private:
 | ||
|   static Atom TimeStampPropAtom() {
 | ||
|     return gdk_x11_get_xatom_by_name_for_display(gdk_display_get_default(),
 | ||
|                                                  "GDK_TIMESTAMP_PROP");
 | ||
|   }
 | ||
| 
 | ||
|   // This is safe because this class is stored as a member of mWindow and
 | ||
|   // won't outlive it.
 | ||
|   GdkWindow* mWindow;
 | ||
|   TimeStamp mAsyncUpdateStart;
 | ||
| };
 | ||
| 
 | ||
| }  // namespace mozilla
 | ||
| 
 | ||
| static NS_DEFINE_IID(kCDragServiceCID, NS_DRAGSERVICE_CID);
 | ||
| 
 | ||
| // The window from which the focus manager asks us to dispatch key events.
 | ||
| static nsWindow* gFocusWindow = nullptr;
 | ||
| static bool gBlockActivateEvent = false;
 | ||
| static bool gGlobalsInitialized = false;
 | ||
| static bool gRaiseWindows = true;
 | ||
| static bool gUseWaylandVsync = true;
 | ||
| static bool gUseAspectRatio = true;
 | ||
| static GList* gVisibleWaylandPopupWindows = nullptr;
 | ||
| static uint32_t gLastTouchID = 0;
 | ||
| 
 | ||
| #define NS_WINDOW_TITLE_MAX_LENGTH 4095
 | ||
| 
 | ||
| // If after selecting profile window, the startup fail, please refer to
 | ||
| // http://bugzilla.gnome.org/show_bug.cgi?id=88940
 | ||
| 
 | ||
| // needed for imgIContainer cursors
 | ||
| // GdkDisplay* was added in 2.2
 | ||
| typedef struct _GdkDisplay GdkDisplay;
 | ||
| 
 | ||
| #define kWindowPositionSlop 20
 | ||
| 
 | ||
| // cursor cache
 | ||
| static GdkCursor* gCursorCache[eCursorCount];
 | ||
| 
 | ||
| static GtkWidget* gInvisibleContainer = nullptr;
 | ||
| 
 | ||
| // Sometimes this actually also includes the state of the modifier keys, but
 | ||
| // only the button state bits are used.
 | ||
| static guint gButtonState;
 | ||
| 
 | ||
| static inline int32_t GetBitmapStride(int32_t width) {
 | ||
| #if defined(MOZ_X11)
 | ||
|   return (width + 7) / 8;
 | ||
| #else
 | ||
|   return cairo_format_stride_for_width(CAIRO_FORMAT_A1, width);
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| static inline bool TimestampIsNewerThan(guint32 a, guint32 b) {
 | ||
|   // Timestamps are just the least significant bits of a monotonically
 | ||
|   // increasing function, and so the use of unsigned overflow arithmetic.
 | ||
|   return a - b <= G_MAXUINT32 / 2;
 | ||
| }
 | ||
| 
 | ||
| static void UpdateLastInputEventTime(void* aGdkEvent) {
 | ||
|   nsCOMPtr<nsIUserIdleServiceInternal> idleService =
 | ||
|       do_GetService("@mozilla.org/widget/useridleservice;1");
 | ||
|   if (idleService) {
 | ||
|     idleService->ResetIdleTimeOut(0);
 | ||
|   }
 | ||
| 
 | ||
|   guint timestamp = gdk_event_get_time(static_cast<GdkEvent*>(aGdkEvent));
 | ||
|   if (timestamp == GDK_CURRENT_TIME) return;
 | ||
| 
 | ||
|   sLastUserInputTime = timestamp;
 | ||
| }
 | ||
| 
 | ||
| void GetWindowOrigin(GdkWindow* aWindow, int* aX, int* aY) {
 | ||
|   if (aWindow) {
 | ||
|     gdk_window_get_origin(aWindow, aX, aY);
 | ||
|   }
 | ||
| 
 | ||
|   // TODO(bug 1655924): gdk_window_get_origin is can block waiting for the x
 | ||
|   // server for a long time, we would like to use the implementation below
 | ||
|   // instead. However, removing the synchronous x server queries causes a race
 | ||
|   // condition to surface, causing issues such as bug 1652743 and bug 1653711.
 | ||
| #if 0
 | ||
|   *aX = 0;
 | ||
|   *aY = 0;
 | ||
|   if (!aWindow) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GdkWindow* current = aWindow;
 | ||
|   while (GdkWindow* parent = gdk_window_get_parent(current)) {
 | ||
|     if (parent == current) {
 | ||
|       break;
 | ||
|     }
 | ||
| 
 | ||
|     int x = 0;
 | ||
|     int y = 0;
 | ||
|     gdk_window_get_position(current, &x, &y);
 | ||
|     *aX += x;
 | ||
|     *aY += y;
 | ||
| 
 | ||
|     current = parent;
 | ||
|   }
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| nsWindow::nsWindow() {
 | ||
|   mIsTopLevel = false;
 | ||
|   mIsDestroyed = false;
 | ||
|   mListenForResizes = false;
 | ||
|   mNeedsDispatchResized = false;
 | ||
|   mIsShown = false;
 | ||
|   mNeedsShow = false;
 | ||
|   mEnabled = true;
 | ||
|   mCreated = false;
 | ||
|   mHandleTouchEvent = false;
 | ||
|   mIsDragPopup = false;
 | ||
|   mIsX11Display = gfxPlatformGtk::GetPlatform()->IsX11Display();
 | ||
| 
 | ||
|   mContainer = nullptr;
 | ||
|   mGdkWindow = nullptr;
 | ||
|   mShell = nullptr;
 | ||
|   mCompositorWidgetDelegate = nullptr;
 | ||
|   mHasMappedToplevel = false;
 | ||
|   mRetryPointerGrab = false;
 | ||
|   mWindowType = eWindowType_child;
 | ||
|   mSizeState = nsSizeMode_Normal;
 | ||
|   mBoundsAreValid = true;
 | ||
|   mAspectRatio = 0.0f;
 | ||
|   mAspectRatioSaved = 0.0f;
 | ||
|   mLastSizeMode = nsSizeMode_Normal;
 | ||
|   mSizeConstraints.mMaxSize = GetSafeWindowSize(mSizeConstraints.mMaxSize);
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   mOldFocusWindow = 0;
 | ||
| 
 | ||
|   mXDisplay = nullptr;
 | ||
|   mXWindow = X11None;
 | ||
|   mXVisual = nullptr;
 | ||
|   mXDepth = 0;
 | ||
| #endif /* MOZ_X11 */
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   mNeedsCompositorResume = false;
 | ||
|   mCompositorInitiallyPaused = false;
 | ||
| #endif
 | ||
|   mWaitingForMoveToRectCB = false;
 | ||
|   mPendingSizeRect = LayoutDeviceIntRect(0, 0, 0, 0);
 | ||
| 
 | ||
|   if (!gGlobalsInitialized) {
 | ||
|     gGlobalsInitialized = true;
 | ||
| 
 | ||
|     // It's OK if either of these fail, but it may not be one day.
 | ||
|     initialize_prefs();
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|     // Wayland provides clipboard data to application on focus-in event
 | ||
|     // so we need to init our clipboard hooks before we create window
 | ||
|     // and get focus.
 | ||
|     if (!mIsX11Display) {
 | ||
|       nsCOMPtr<nsIClipboard> clipboard =
 | ||
|           do_GetService("@mozilla.org/widget/clipboard;1");
 | ||
|       NS_ASSERTION(clipboard, "Failed to init clipboard!");
 | ||
|     }
 | ||
| #endif
 | ||
|   }
 | ||
| 
 | ||
|   mLastMotionPressure = 0;
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
|   mRootAccessible = nullptr;
 | ||
| #endif
 | ||
| 
 | ||
|   mIsTransparent = false;
 | ||
|   mTransparencyBitmap = nullptr;
 | ||
|   mTransparencyBitmapForTitlebar = false;
 | ||
| 
 | ||
|   mTransparencyBitmapWidth = 0;
 | ||
|   mTransparencyBitmapHeight = 0;
 | ||
| 
 | ||
|   mLastScrollEventTime = GDK_CURRENT_TIME;
 | ||
| 
 | ||
|   mPendingConfigures = 0;
 | ||
|   mGtkWindowDecoration = GTK_DECORATION_NONE;
 | ||
|   mDrawToContainer = false;
 | ||
|   mDrawInTitlebar = false;
 | ||
|   mTitlebarBackdropState = false;
 | ||
| 
 | ||
|   mHasAlphaVisual = false;
 | ||
|   mIsPIPWindow = false;
 | ||
|   mAlwaysOnTop = false;
 | ||
| 
 | ||
|   mWindowScaleFactorChanged = true;
 | ||
|   mWindowScaleFactor = 1;
 | ||
| 
 | ||
|   mCompositedScreen = gdk_screen_is_composited(gdk_screen_get_default());
 | ||
| }
 | ||
| 
 | ||
| nsWindow::~nsWindow() {
 | ||
|   LOG(("nsWindow::~nsWindow() [%p]\n", (void*)this));
 | ||
| 
 | ||
|   delete[] mTransparencyBitmap;
 | ||
|   mTransparencyBitmap = nullptr;
 | ||
| 
 | ||
|   Destroy();
 | ||
| }
 | ||
| 
 | ||
| /* static */
 | ||
| void nsWindow::ReleaseGlobals() {
 | ||
|   for (auto& cursor : gCursorCache) {
 | ||
|     if (cursor) {
 | ||
|       g_object_unref(cursor);
 | ||
|       cursor = nullptr;
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::CommonCreate(nsIWidget* aParent, bool aListenForResizes) {
 | ||
|   mParent = aParent;
 | ||
|   mListenForResizes = aListenForResizes;
 | ||
|   mCreated = true;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchActivateEvent(void) {
 | ||
|   NS_ASSERTION(mContainer || mIsDestroyed,
 | ||
|                "DispatchActivateEvent only intended for container windows");
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
|   DispatchActivateEventAccessible();
 | ||
| #endif  // ACCESSIBILITY
 | ||
| 
 | ||
|   if (mWidgetListener) mWidgetListener->WindowActivated();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchDeactivateEvent(void) {
 | ||
|   if (mWidgetListener) mWidgetListener->WindowDeactivated();
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
|   DispatchDeactivateEventAccessible();
 | ||
| #endif  // ACCESSIBILITY
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchResized() {
 | ||
|   mNeedsDispatchResized = false;
 | ||
|   if (mWidgetListener) {
 | ||
|     mWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
 | ||
|   }
 | ||
|   if (mAttachedWidgetListener) {
 | ||
|     mAttachedWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::MaybeDispatchResized() {
 | ||
|   if (mNeedsDispatchResized && !mIsDestroyed) {
 | ||
|     DispatchResized();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| nsIWidgetListener* nsWindow::GetListener() {
 | ||
|   return mAttachedWidgetListener ? mAttachedWidgetListener : mWidgetListener;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::DispatchEvent(WidgetGUIEvent* aEvent,
 | ||
|                                  nsEventStatus& aStatus) {
 | ||
| #ifdef DEBUG
 | ||
|   debug_DumpEvent(stdout, aEvent->mWidget, aEvent, "something", 0);
 | ||
| #endif
 | ||
|   aStatus = nsEventStatus_eIgnore;
 | ||
|   nsIWidgetListener* listener = GetListener();
 | ||
|   if (listener) {
 | ||
|     aStatus = listener->HandleEvent(aEvent, mUseAttachedEvents);
 | ||
|   }
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnDestroy(void) {
 | ||
|   if (mOnDestroyCalled) return;
 | ||
| 
 | ||
|   mOnDestroyCalled = true;
 | ||
| 
 | ||
|   // Prevent deletion.
 | ||
|   nsCOMPtr<nsIWidget> kungFuDeathGrip = this;
 | ||
| 
 | ||
|   // release references to children, device context, toolkit + app shell
 | ||
|   nsBaseWidget::OnDestroy();
 | ||
| 
 | ||
|   // Remove association between this object and its parent and siblings.
 | ||
|   nsBaseWidget::Destroy();
 | ||
|   mParent = nullptr;
 | ||
| 
 | ||
|   NotifyWindowDestroyed();
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::AreBoundsSane() {
 | ||
|   return mBounds.width > 0 && mBounds.height > 0;
 | ||
| }
 | ||
| 
 | ||
| static GtkWidget* EnsureInvisibleContainer() {
 | ||
|   if (!gInvisibleContainer) {
 | ||
|     // GtkWidgets need to be anchored to a GtkWindow to be realized (to
 | ||
|     // have a window).  Using GTK_WINDOW_POPUP rather than
 | ||
|     // GTK_WINDOW_TOPLEVEL in the hope that POPUP results in less
 | ||
|     // initialization and window manager interaction.
 | ||
|     GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP);
 | ||
|     gInvisibleContainer = moz_container_new();
 | ||
|     gtk_container_add(GTK_CONTAINER(window), gInvisibleContainer);
 | ||
|     gtk_widget_realize(gInvisibleContainer);
 | ||
|   }
 | ||
|   return gInvisibleContainer;
 | ||
| }
 | ||
| 
 | ||
| static void CheckDestroyInvisibleContainer() {
 | ||
|   MOZ_ASSERT(gInvisibleContainer, "oh, no");
 | ||
| 
 | ||
|   if (!gdk_window_peek_children(gtk_widget_get_window(gInvisibleContainer))) {
 | ||
|     // No children, so not in use.
 | ||
|     // Make sure to destroy the GtkWindow also.
 | ||
|     gtk_widget_destroy(gtk_widget_get_parent(gInvisibleContainer));
 | ||
|     gInvisibleContainer = nullptr;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| // Change the containing GtkWidget on a sub-hierarchy of GdkWindows belonging
 | ||
| // to aOldWidget and rooted at aWindow, and reparent any child GtkWidgets of
 | ||
| // the GdkWindow hierarchy to aNewWidget.
 | ||
| static void SetWidgetForHierarchy(GdkWindow* aWindow, GtkWidget* aOldWidget,
 | ||
|                                   GtkWidget* aNewWidget) {
 | ||
|   gpointer data;
 | ||
|   gdk_window_get_user_data(aWindow, &data);
 | ||
| 
 | ||
|   if (data != aOldWidget) {
 | ||
|     if (!GTK_IS_WIDGET(data)) return;
 | ||
| 
 | ||
|     auto* widget = static_cast<GtkWidget*>(data);
 | ||
|     if (gtk_widget_get_parent(widget) != aOldWidget) return;
 | ||
| 
 | ||
|     // This window belongs to a child widget, which will no longer be a
 | ||
|     // child of aOldWidget.
 | ||
|     gtk_widget_reparent(widget, aNewWidget);
 | ||
| 
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GList* children = gdk_window_get_children(aWindow);
 | ||
|   for (GList* list = children; list; list = list->next) {
 | ||
|     SetWidgetForHierarchy(GDK_WINDOW(list->data), aOldWidget, aNewWidget);
 | ||
|   }
 | ||
|   g_list_free(children);
 | ||
| 
 | ||
|   gdk_window_set_user_data(aWindow, aNewWidget);
 | ||
| }
 | ||
| 
 | ||
| // Walk the list of child windows and call destroy on them.
 | ||
| void nsWindow::DestroyChildWindows() {
 | ||
|   if (!mGdkWindow) return;
 | ||
| 
 | ||
|   while (GList* children = gdk_window_peek_children(mGdkWindow)) {
 | ||
|     GdkWindow* child = GDK_WINDOW(children->data);
 | ||
|     nsWindow* kid = get_window_for_gdk_window(child);
 | ||
|     if (kid) {
 | ||
|       kid->Destroy();
 | ||
|     } else {
 | ||
|       // This child is not an nsWindow.
 | ||
|       // Destroy the child GtkWidget.
 | ||
|       gpointer data;
 | ||
|       gdk_window_get_user_data(child, &data);
 | ||
|       if (GTK_IS_WIDGET(data)) {
 | ||
|         gtk_widget_destroy(static_cast<GtkWidget*>(data));
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::Destroy() {
 | ||
|   if (mIsDestroyed || !mCreated) return;
 | ||
| 
 | ||
|   LOG(("nsWindow::Destroy [%p]\n", (void*)this));
 | ||
|   mIsDestroyed = true;
 | ||
|   mCreated = false;
 | ||
| 
 | ||
|   /** Need to clean our LayerManager up while still alive */
 | ||
|   if (mLayerManager) {
 | ||
|     mLayerManager->Destroy();
 | ||
|   }
 | ||
|   mLayerManager = nullptr;
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   // Shut down our local vsync source
 | ||
|   if (mWaylandVsyncSource) {
 | ||
|     mWaylandVsyncSource->Shutdown();
 | ||
|     mWaylandVsyncSource = nullptr;
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // It is safe to call DestroyeCompositor several times (here and
 | ||
|   // in the parent class) since it will take effect only once.
 | ||
|   // The reason we call it here is because on gtk platforms we need
 | ||
|   // to destroy the compositor before we destroy the gdk window (which
 | ||
|   // destroys the the gl context attached to it).
 | ||
|   DestroyCompositor();
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   // Ensure any resources assigned to the window get cleaned up first
 | ||
|   // to avoid double-freeing.
 | ||
|   mSurfaceProvider.CleanupResources();
 | ||
| #endif
 | ||
| 
 | ||
|   ClearCachedResources();
 | ||
| 
 | ||
|   g_signal_handlers_disconnect_by_data(gtk_settings_get_default(), this);
 | ||
| 
 | ||
|   nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
 | ||
|   if (rollupListener) {
 | ||
|     nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget();
 | ||
|     if (static_cast<nsIWidget*>(this) == rollupWidget) {
 | ||
|       rollupListener->Rollup(0, false, nullptr, nullptr);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // dragService will be null after shutdown of the service manager.
 | ||
|   RefPtr<nsDragService> dragService = nsDragService::GetInstance();
 | ||
|   if (dragService && this == dragService->GetMostRecentDestWindow()) {
 | ||
|     dragService->ScheduleLeaveEvent();
 | ||
|   }
 | ||
| 
 | ||
|   NativeShow(false);
 | ||
| 
 | ||
|   if (mIMContext) {
 | ||
|     mIMContext->OnDestroyWindow(this);
 | ||
|   }
 | ||
| 
 | ||
|   // make sure that we remove ourself as the focus window
 | ||
|   if (gFocusWindow == this) {
 | ||
|     LOGFOCUS(("automatically losing focus...\n"));
 | ||
|     gFocusWindow = nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   GtkWidget* owningWidget = GetMozContainerWidget();
 | ||
|   if (mShell) {
 | ||
|     gtk_widget_destroy(mShell);
 | ||
|     mShell = nullptr;
 | ||
|     mContainer = nullptr;
 | ||
|     MOZ_ASSERT(!mGdkWindow,
 | ||
|                "mGdkWindow should be NULL when mContainer is destroyed");
 | ||
|   } else if (mContainer) {
 | ||
|     gtk_widget_destroy(GTK_WIDGET(mContainer));
 | ||
|     mContainer = nullptr;
 | ||
|     MOZ_ASSERT(!mGdkWindow,
 | ||
|                "mGdkWindow should be NULL when mContainer is destroyed");
 | ||
|   } else if (mGdkWindow) {
 | ||
|     // Destroy child windows to ensure that their mThebesSurfaces are
 | ||
|     // released and to remove references from GdkWindows back to their
 | ||
|     // container widget.  (OnContainerUnrealize() does this when the
 | ||
|     // MozContainer widget is destroyed.)
 | ||
|     DestroyChildWindows();
 | ||
| 
 | ||
|     gdk_window_set_user_data(mGdkWindow, nullptr);
 | ||
|     g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", nullptr);
 | ||
|     gdk_window_destroy(mGdkWindow);
 | ||
|     mGdkWindow = nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   if (gInvisibleContainer && owningWidget == gInvisibleContainer) {
 | ||
|     CheckDestroyInvisibleContainer();
 | ||
|   }
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
|   if (mRootAccessible) {
 | ||
|     mRootAccessible = nullptr;
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // Save until last because OnDestroy() may cause us to be deleted.
 | ||
|   OnDestroy();
 | ||
| }
 | ||
| 
 | ||
| nsIWidget* nsWindow::GetParent(void) { return mParent; }
 | ||
| 
 | ||
| float nsWindow::GetDPI() {
 | ||
|   float dpi = 96.0f;
 | ||
|   nsCOMPtr<nsIScreen> screen = GetWidgetScreen();
 | ||
|   if (screen) {
 | ||
|     screen->GetDpi(&dpi);
 | ||
|   }
 | ||
|   return dpi;
 | ||
| }
 | ||
| 
 | ||
| double nsWindow::GetDefaultScaleInternal() {
 | ||
|   return GdkScaleFactor() * gfxPlatformGtk::GetFontScaleFactor();
 | ||
| }
 | ||
| 
 | ||
| DesktopToLayoutDeviceScale nsWindow::GetDesktopToDeviceScale() {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   if (!mIsX11Display) {
 | ||
|     return DesktopToLayoutDeviceScale(GdkScaleFactor());
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // In Gtk/X11, we manage windows using device pixels.
 | ||
|   return DesktopToLayoutDeviceScale(1.0);
 | ||
| }
 | ||
| 
 | ||
| DesktopToLayoutDeviceScale nsWindow::GetDesktopToDeviceScaleByScreen() {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   // In Wayland there's no way to get absolute position of the window and use it
 | ||
|   // to determine the screen factor of the monitor on which the window is
 | ||
|   // placed. The window is notified of the current scale factor but not at this
 | ||
|   // point, so the GdkScaleFactor can return wrong value which can lead to wrong
 | ||
|   // popup placement. We need to use parent's window scale factor for the new
 | ||
|   // one.
 | ||
|   if (!mIsX11Display) {
 | ||
|     nsView* view = nsView::GetViewFor(this);
 | ||
|     if (view) {
 | ||
|       nsView* parentView = view->GetParent();
 | ||
|       if (parentView) {
 | ||
|         nsIWidget* parentWidget = parentView->GetNearestWidget(nullptr);
 | ||
|         if (parentWidget) {
 | ||
|           return DesktopToLayoutDeviceScale(
 | ||
|               parentWidget->RoundsWidgetCoordinatesTo());
 | ||
|         }
 | ||
|         NS_WARNING("Widget has no parent");
 | ||
|       }
 | ||
|     } else {
 | ||
|       NS_WARNING("Cannot find widget view");
 | ||
|     }
 | ||
|   }
 | ||
| #endif
 | ||
|   return nsBaseWidget::GetDesktopToDeviceScale();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetParent(nsIWidget* aNewParent) {
 | ||
|   if (!mGdkWindow) {
 | ||
|     MOZ_ASSERT_UNREACHABLE("The native window has already been destroyed");
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (mContainer) {
 | ||
|     // FIXME bug 1469183
 | ||
|     NS_ERROR("nsWindow should not have a container here");
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   nsCOMPtr<nsIWidget> kungFuDeathGrip = this;
 | ||
|   if (mParent) {
 | ||
|     mParent->RemoveChild(this);
 | ||
|   }
 | ||
|   mParent = aNewParent;
 | ||
| 
 | ||
|   GtkWidget* oldContainer = GetMozContainerWidget();
 | ||
|   if (!oldContainer) {
 | ||
|     // The GdkWindows have been destroyed so there is nothing else to
 | ||
|     // reparent.
 | ||
|     MOZ_ASSERT(gdk_window_is_destroyed(mGdkWindow),
 | ||
|                "live GdkWindow with no widget");
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   nsWindow* newParent = static_cast<nsWindow*>(aNewParent);
 | ||
|   GdkWindow* newParentWindow = nullptr;
 | ||
|   GtkWidget* newContainer = nullptr;
 | ||
|   if (aNewParent) {
 | ||
|     aNewParent->AddChild(this);
 | ||
|     newParentWindow = newParent->mGdkWindow;
 | ||
|     newContainer = newParent->GetMozContainerWidget();
 | ||
|   } else {
 | ||
|     // aNewParent is nullptr, but reparent to a hidden window to avoid
 | ||
|     // destroying the GdkWindow and its descendants.
 | ||
|     // An invisible container widget is needed to hold descendant
 | ||
|     // GtkWidgets.
 | ||
|     newContainer = EnsureInvisibleContainer();
 | ||
|     newParentWindow = gtk_widget_get_window(newContainer);
 | ||
|   }
 | ||
| 
 | ||
|   if (!newContainer) {
 | ||
|     // The new parent GdkWindow has been destroyed.
 | ||
|     MOZ_ASSERT(!newParentWindow || gdk_window_is_destroyed(newParentWindow),
 | ||
|                "live GdkWindow with no widget");
 | ||
|     Destroy();
 | ||
|   } else {
 | ||
|     if (newContainer != oldContainer) {
 | ||
|       MOZ_ASSERT(!gdk_window_is_destroyed(newParentWindow),
 | ||
|                  "destroyed GdkWindow with widget");
 | ||
|       SetWidgetForHierarchy(mGdkWindow, oldContainer, newContainer);
 | ||
| 
 | ||
|       if (oldContainer == gInvisibleContainer) {
 | ||
|         CheckDestroyInvisibleContainer();
 | ||
|       }
 | ||
|     }
 | ||
| 
 | ||
|     gdk_window_reparent(mGdkWindow, newParentWindow,
 | ||
|                         DevicePixelsToGdkCoordRoundDown(mBounds.x),
 | ||
|                         DevicePixelsToGdkCoordRoundDown(mBounds.y));
 | ||
|   }
 | ||
| 
 | ||
|   bool parentHasMappedToplevel = newParent && newParent->mHasMappedToplevel;
 | ||
|   if (mHasMappedToplevel != parentHasMappedToplevel) {
 | ||
|     SetHasMappedToplevel(parentHasMappedToplevel);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::WidgetTypeSupportsAcceleration() {
 | ||
|   if (IsSmallPopup()) {
 | ||
|     return false;
 | ||
|   }
 | ||
|   // Workaround for Bug 1479135
 | ||
|   // We draw transparent popups on non-compositing screens by SW as we don't
 | ||
|   // implement X shape masks in WebRender.
 | ||
|   if (mWindowType == eWindowType_popup) {
 | ||
|     return mCompositedScreen;
 | ||
|   }
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ReparentNativeWidget(nsIWidget* aNewParent) {
 | ||
|   MOZ_ASSERT(aNewParent, "null widget");
 | ||
|   MOZ_ASSERT(!mIsDestroyed, "");
 | ||
|   MOZ_ASSERT(!static_cast<nsWindow*>(aNewParent)->mIsDestroyed, "");
 | ||
|   MOZ_ASSERT(!gdk_window_is_destroyed(mGdkWindow),
 | ||
|              "destroyed GdkWindow with widget");
 | ||
| 
 | ||
|   MOZ_ASSERT(
 | ||
|       !mParent,
 | ||
|       "nsWindow::ReparentNativeWidget() works on toplevel windows only.");
 | ||
| 
 | ||
|   auto* newParent = static_cast<nsWindow*>(aNewParent);
 | ||
|   GtkWindow* newParentWidget = GTK_WINDOW(newParent->GetGtkWidget());
 | ||
|   GtkWindow* shell = GTK_WINDOW(mShell);
 | ||
| 
 | ||
|   if (shell && gtk_window_get_transient_for(shell)) {
 | ||
|     gtk_window_set_transient_for(shell, newParentWidget);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetModal(bool aModal) {
 | ||
|   LOG(("nsWindow::SetModal [%p] %d\n", (void*)this, aModal));
 | ||
|   if (mIsDestroyed) return;
 | ||
|   if (!mIsTopLevel || !mShell) return;
 | ||
|   gtk_window_set_modal(GTK_WINDOW(mShell), aModal ? TRUE : FALSE);
 | ||
| }
 | ||
| 
 | ||
| // nsIWidget method, which means IsShown.
 | ||
| bool nsWindow::IsVisible() const { return mIsShown; }
 | ||
| 
 | ||
| void nsWindow::RegisterTouchWindow() {
 | ||
|   mHandleTouchEvent = true;
 | ||
|   mTouches.Clear();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ConstrainPosition(bool aAllowSlop, int32_t* aX, int32_t* aY) {
 | ||
|   if (!mIsTopLevel || !mShell) return;
 | ||
| 
 | ||
|   double dpiScale = GetDefaultScale().scale;
 | ||
| 
 | ||
|   // we need to use the window size in logical screen pixels
 | ||
|   int32_t logWidth = std::max(NSToIntRound(mBounds.width / dpiScale), 1);
 | ||
|   int32_t logHeight = std::max(NSToIntRound(mBounds.height / dpiScale), 1);
 | ||
| 
 | ||
|   /* get our playing field. use the current screen, or failing that
 | ||
|     for any reason, use device caps for the default screen. */
 | ||
|   nsCOMPtr<nsIScreen> screen;
 | ||
|   nsCOMPtr<nsIScreenManager> screenmgr =
 | ||
|       do_GetService("@mozilla.org/gfx/screenmanager;1");
 | ||
|   if (screenmgr) {
 | ||
|     screenmgr->ScreenForRect(*aX, *aY, logWidth, logHeight,
 | ||
|                              getter_AddRefs(screen));
 | ||
|   }
 | ||
| 
 | ||
|   // We don't have any screen so leave the coordinates as is
 | ||
|   if (!screen) return;
 | ||
| 
 | ||
|   nsIntRect screenRect;
 | ||
|   if (mSizeMode != nsSizeMode_Fullscreen) {
 | ||
|     // For normalized windows, use the desktop work area.
 | ||
|     screen->GetAvailRectDisplayPix(&screenRect.x, &screenRect.y,
 | ||
|                                    &screenRect.width, &screenRect.height);
 | ||
|   } else {
 | ||
|     // For full screen windows, use the desktop.
 | ||
|     screen->GetRectDisplayPix(&screenRect.x, &screenRect.y, &screenRect.width,
 | ||
|                               &screenRect.height);
 | ||
|   }
 | ||
| 
 | ||
|   if (aAllowSlop) {
 | ||
|     if (*aX < screenRect.x - logWidth + kWindowPositionSlop)
 | ||
|       *aX = screenRect.x - logWidth + kWindowPositionSlop;
 | ||
|     else if (*aX >= screenRect.XMost() - kWindowPositionSlop)
 | ||
|       *aX = screenRect.XMost() - kWindowPositionSlop;
 | ||
| 
 | ||
|     if (*aY < screenRect.y - logHeight + kWindowPositionSlop)
 | ||
|       *aY = screenRect.y - logHeight + kWindowPositionSlop;
 | ||
|     else if (*aY >= screenRect.YMost() - kWindowPositionSlop)
 | ||
|       *aY = screenRect.YMost() - kWindowPositionSlop;
 | ||
|   } else {
 | ||
|     if (*aX < screenRect.x)
 | ||
|       *aX = screenRect.x;
 | ||
|     else if (*aX >= screenRect.XMost() - logWidth)
 | ||
|       *aX = screenRect.XMost() - logWidth;
 | ||
| 
 | ||
|     if (*aY < screenRect.y)
 | ||
|       *aY = screenRect.y;
 | ||
|     else if (*aY >= screenRect.YMost() - logHeight)
 | ||
|       *aY = screenRect.YMost() - logHeight;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetSizeConstraints(const SizeConstraints& aConstraints) {
 | ||
|   mSizeConstraints.mMinSize = GetSafeWindowSize(aConstraints.mMinSize);
 | ||
|   mSizeConstraints.mMaxSize = GetSafeWindowSize(aConstraints.mMaxSize);
 | ||
| 
 | ||
|   ApplySizeConstraints();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::AddCSDDecorationSize(int* aWidth, int* aHeight) {
 | ||
|   if (mSizeState == nsSizeMode_Normal &&
 | ||
|       mGtkWindowDecoration == GTK_DECORATION_CLIENT && mDrawInTitlebar) {
 | ||
|     GtkBorder decorationSize = GetCSDDecorationSize(!mIsTopLevel);
 | ||
|     *aWidth += decorationSize.left + decorationSize.right;
 | ||
|     *aHeight += decorationSize.top + decorationSize.bottom;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| bool nsWindow::GetCSDDecorationOffset(int* aDx, int* aDy) {
 | ||
|   if (mSizeState == nsSizeMode_Normal &&
 | ||
|       mGtkWindowDecoration == GTK_DECORATION_CLIENT && mDrawInTitlebar) {
 | ||
|     GtkBorder decorationSize = GetCSDDecorationSize(!mIsTopLevel);
 | ||
|     *aDx = decorationSize.left;
 | ||
|     *aDy = decorationSize.top;
 | ||
|     return true;
 | ||
|   } else {
 | ||
|     return false;
 | ||
|   }
 | ||
| }
 | ||
| #endif
 | ||
| 
 | ||
| void nsWindow::ApplySizeConstraints(void) {
 | ||
|   if (mShell) {
 | ||
|     GdkGeometry geometry;
 | ||
|     geometry.min_width =
 | ||
|         DevicePixelsToGdkCoordRoundUp(mSizeConstraints.mMinSize.width);
 | ||
|     geometry.min_height =
 | ||
|         DevicePixelsToGdkCoordRoundUp(mSizeConstraints.mMinSize.height);
 | ||
|     geometry.max_width =
 | ||
|         DevicePixelsToGdkCoordRoundDown(mSizeConstraints.mMaxSize.width);
 | ||
|     geometry.max_height =
 | ||
|         DevicePixelsToGdkCoordRoundDown(mSizeConstraints.mMaxSize.height);
 | ||
| 
 | ||
|     uint32_t hints = 0;
 | ||
|     if (mSizeConstraints.mMinSize != LayoutDeviceIntSize(0, 0)) {
 | ||
|       if (!mIsX11Display) {
 | ||
|         gtk_widget_set_size_request(GTK_WIDGET(mContainer), geometry.min_width,
 | ||
|                                     geometry.min_height);
 | ||
|       }
 | ||
|       AddCSDDecorationSize(&geometry.min_width, &geometry.min_height);
 | ||
|       hints |= GDK_HINT_MIN_SIZE;
 | ||
|       LOG(("nsWindow::ApplySizeConstraints [%p] min size %d %d\n", (void*)this,
 | ||
|            geometry.min_width, geometry.min_height));
 | ||
|     }
 | ||
|     if (mSizeConstraints.mMaxSize !=
 | ||
|         LayoutDeviceIntSize(NS_MAXSIZE, NS_MAXSIZE)) {
 | ||
|       AddCSDDecorationSize(&geometry.max_width, &geometry.max_height);
 | ||
|       hints |= GDK_HINT_MAX_SIZE;
 | ||
|       LOG(("nsWindow::ApplySizeConstraints [%p] max size %d %d\n", (void*)this,
 | ||
|            geometry.max_width, geometry.max_height));
 | ||
|     }
 | ||
| 
 | ||
|     if (mAspectRatio != 0.0f) {
 | ||
|       geometry.min_aspect = mAspectRatio;
 | ||
|       geometry.max_aspect = mAspectRatio;
 | ||
|       hints |= GDK_HINT_ASPECT;
 | ||
|     }
 | ||
| 
 | ||
|     gtk_window_set_geometry_hints(GTK_WINDOW(mShell), nullptr, &geometry,
 | ||
|                                   GdkWindowHints(hints));
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::Show(bool aState) {
 | ||
|   if (aState == mIsShown) return;
 | ||
| 
 | ||
|   // Clear our cached resources when the window is hidden.
 | ||
|   if (mIsShown && !aState) {
 | ||
|     ClearCachedResources();
 | ||
|   }
 | ||
| 
 | ||
|   mIsShown = aState;
 | ||
| 
 | ||
|   LOG(("nsWindow::Show [%p] state %d\n", (void*)this, aState));
 | ||
| 
 | ||
|   if (aState) {
 | ||
|     // Now that this window is shown, mHasMappedToplevel needs to be
 | ||
|     // tracked on viewable descendants.
 | ||
|     SetHasMappedToplevel(mHasMappedToplevel);
 | ||
|   }
 | ||
| 
 | ||
|   // Ok, someone called show on a window that isn't sized to a sane
 | ||
|   // value.  Mark this window as needing to have Show() called on it
 | ||
|   // and return.
 | ||
|   if ((aState && !AreBoundsSane()) || !mCreated) {
 | ||
|     LOG(("\tbounds are insane or window hasn't been created yet\n"));
 | ||
|     mNeedsShow = true;
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // If someone is hiding this widget, clear any needing show flag.
 | ||
|   if (!aState) mNeedsShow = false;
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
|   if (aState && a11y::ShouldA11yBeEnabled()) CreateRootAccessible();
 | ||
| #endif
 | ||
| 
 | ||
|   NativeShow(aState);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ResizeInt(int aX, int aY, int aWidth, int aHeight, bool aMove,
 | ||
|                          bool aRepaint) {
 | ||
|   LOG(("nsWindow::ResizeInt [%p] x:%d y:%d -> w:%d h:%d repaint %d aMove %d\n",
 | ||
|        (void*)this, aX, aY, aWidth, aHeight, aRepaint, aMove));
 | ||
| 
 | ||
|   ConstrainSize(&aWidth, &aHeight);
 | ||
| 
 | ||
|   LOG(("  ConstrainSize: w:%d h;%d\n", aWidth, aHeight));
 | ||
| 
 | ||
|   // If we used to have insane bounds, we may have skipped actually positioning
 | ||
|   // the widget in NativeMoveResizeWaylandPopup, in which case we need to
 | ||
|   // actually position it now as well.
 | ||
|   const bool hadInsaneWaylandPopupDimensions =
 | ||
|       !AreBoundsSane() && IsWaylandPopup();
 | ||
| 
 | ||
|   if (aMove) {
 | ||
|     mBounds.x = aX;
 | ||
|     mBounds.y = aY;
 | ||
|   }
 | ||
| 
 | ||
|   // For top-level windows, aWidth and aHeight should possibly be
 | ||
|   // interpreted as frame bounds, but NativeResize treats these as window
 | ||
|   // bounds (Bug 581866).
 | ||
|   mBounds.SizeTo(aWidth, aHeight);
 | ||
| 
 | ||
|   // We set correct mBounds in advance here. This can be invalided by state
 | ||
|   // event.
 | ||
|   mBoundsAreValid = true;
 | ||
| 
 | ||
|   // Recalculate aspect ratio when resized from DOM
 | ||
|   if (mAspectRatio != 0.0) {
 | ||
|     LockAspectRatio(true);
 | ||
|   }
 | ||
| 
 | ||
|   if (!mCreated) return;
 | ||
| 
 | ||
|   if (aMove || mPreferredPopupRectFlushed || hadInsaneWaylandPopupDimensions) {
 | ||
|     LOG(("  Need also to move, flushed? %d, bounds were insane: %d\n",
 | ||
|          mPreferredPopupRectFlushed, hadInsaneWaylandPopupDimensions));
 | ||
|     NativeMoveResize();
 | ||
|   } else {
 | ||
|     NativeResize();
 | ||
|   }
 | ||
| 
 | ||
|   NotifyRollupGeometryChange();
 | ||
| 
 | ||
|   // send a resize notification if this is a toplevel
 | ||
|   if (mIsTopLevel || mListenForResizes) {
 | ||
|     DispatchResized();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::Resize(double aWidth, double aHeight, bool aRepaint) {
 | ||
|   LOG(("nsWindow::Resize [%p] %f %f\n", (void*)this, aWidth, aHeight));
 | ||
| 
 | ||
|   double scale =
 | ||
|       BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
 | ||
|   int32_t width = NSToIntRound(scale * aWidth);
 | ||
|   int32_t height = NSToIntRound(scale * aHeight);
 | ||
| 
 | ||
|   ResizeInt(0, 0, width, height, /* aMove */ false, aRepaint);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::Resize(double aX, double aY, double aWidth, double aHeight,
 | ||
|                       bool aRepaint) {
 | ||
|   LOG(("nsWindow::Resize [%p] %f %f repaint %d\n", (void*)this, aWidth, aHeight,
 | ||
|        aRepaint));
 | ||
| 
 | ||
|   double scale =
 | ||
|       BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
 | ||
|   int32_t width = NSToIntRound(scale * aWidth);
 | ||
|   int32_t height = NSToIntRound(scale * aHeight);
 | ||
| 
 | ||
|   int32_t x = NSToIntRound(scale * aX);
 | ||
|   int32_t y = NSToIntRound(scale * aY);
 | ||
| 
 | ||
|   ResizeInt(x, y, width, height, /* aMove */ true, aRepaint);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::Enable(bool aState) { mEnabled = aState; }
 | ||
| 
 | ||
| bool nsWindow::IsEnabled() const { return mEnabled; }
 | ||
| 
 | ||
| void nsWindow::Move(double aX, double aY) {
 | ||
|   LOG(("nsWindow::Move [%p] %f %f\n", (void*)this, aX, aY));
 | ||
| 
 | ||
|   double scale =
 | ||
|       BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
 | ||
|   int32_t x = NSToIntRound(aX * scale);
 | ||
|   int32_t y = NSToIntRound(aY * scale);
 | ||
| 
 | ||
|   if (mWindowType == eWindowType_toplevel ||
 | ||
|       mWindowType == eWindowType_dialog) {
 | ||
|     SetSizeMode(nsSizeMode_Normal);
 | ||
|   }
 | ||
| 
 | ||
|   // Since a popup window's x/y coordinates are in relation to to
 | ||
|   // the parent, the parent might have moved so we always move a
 | ||
|   // popup window.
 | ||
|   if (x == mBounds.x && y == mBounds.y && mWindowType != eWindowType_popup)
 | ||
|     return;
 | ||
| 
 | ||
|   // XXX Should we do some AreBoundsSane check here?
 | ||
| 
 | ||
|   mBounds.x = x;
 | ||
|   mBounds.y = y;
 | ||
| 
 | ||
|   if (!mCreated) return;
 | ||
| 
 | ||
|   if (IsWaylandPopup()) {
 | ||
|     int32_t p2a = AppUnitsPerCSSPixel() / gfxPlatformGtk::GetFontScaleFactor();
 | ||
|     if (mPreferredPopupRect.x != mBounds.x * p2a &&
 | ||
|         mPreferredPopupRect.y != mBounds.y * p2a) {
 | ||
|       NativeMove();
 | ||
|       NotifyRollupGeometryChange();
 | ||
|     } else {
 | ||
|       LOG(("  mBounds same as mPreferredPopupRect, no need to move"));
 | ||
|     }
 | ||
|   } else {
 | ||
|     NativeMove();
 | ||
|     NotifyRollupGeometryChange();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::IsPopup() {
 | ||
|   return mIsTopLevel && mWindowType == eWindowType_popup;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::IsWaylandPopup() { return !mIsX11Display && IsPopup(); }
 | ||
| 
 | ||
| void nsWindow::HideWaylandTooltips() {
 | ||
|   while (gVisibleWaylandPopupWindows) {
 | ||
|     nsWindow* window =
 | ||
|         static_cast<nsWindow*>(gVisibleWaylandPopupWindows->data);
 | ||
|     if (window->mPopupType != ePopupTypeTooltip) break;
 | ||
|     LOG(("nsWindow::HideWaylandTooltips [%p] hidding tooltip [%p].\n",
 | ||
|          (void*)this, window));
 | ||
|     window->HideWaylandWindow();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::HideWaylandOpenedPopups() {
 | ||
|   while (gVisibleWaylandPopupWindows) {
 | ||
|     nsWindow* window =
 | ||
|         static_cast<nsWindow*>(gVisibleWaylandPopupWindows->data);
 | ||
|     window->HideWaylandWindow();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| // Hide popup nsWindows which are no longer in the nsXULPopupManager widget
 | ||
| // chain list.
 | ||
| void nsWindow::CleanupWaylandPopups() {
 | ||
|   LOG(("nsWindow::CleanupWaylandPopups...\n"));
 | ||
|   nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
 | ||
|   AutoTArray<nsIWidget*, 5> widgetChain;
 | ||
|   pm->GetSubmenuWidgetChain(&widgetChain);
 | ||
|   GList* popupList = gVisibleWaylandPopupWindows;
 | ||
|   while (popupList) {
 | ||
|     LOG(("  Looking for %p [nsWindow]\n", popupList->data));
 | ||
|     nsWindow* waylandWnd = static_cast<nsWindow*>(popupList->data);
 | ||
|     // Remove only menu popups or empty frames - they are most likely
 | ||
|     // already rolledup popups
 | ||
|     if (waylandWnd->IsMainMenuWindow() || !waylandWnd->GetFrame()) {
 | ||
|       bool popupFound = false;
 | ||
|       for (unsigned long i = 0; i < widgetChain.Length(); i++) {
 | ||
|         if (waylandWnd == widgetChain[i]) {
 | ||
|           popupFound = true;
 | ||
|           break;
 | ||
|         }
 | ||
|       }
 | ||
|       if (!popupFound) {
 | ||
|         LOG(("    nsWindow [%p] not found in PopupManager, hiding it.\n",
 | ||
|              waylandWnd));
 | ||
|         waylandWnd->HideWaylandWindow();
 | ||
|         popupList = gVisibleWaylandPopupWindows;
 | ||
|       } else {
 | ||
|         LOG(("    nsWindow [%p] is still open.\n", waylandWnd));
 | ||
|         popupList = popupList->next;
 | ||
|       }
 | ||
|     } else {
 | ||
|       popupList = popupList->next;
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| static nsMenuPopupFrame* GetMenuPopupFrame(nsIFrame* aFrame) {
 | ||
|   if (aFrame) {
 | ||
|     nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(aFrame);
 | ||
|     return menuPopupFrame;
 | ||
|   }
 | ||
|   return nullptr;
 | ||
| }
 | ||
| 
 | ||
| // The MenuList popups are used as dropdown menus for example in WebRTC
 | ||
| // microphone/camera chooser or autocomplete widgets.
 | ||
| bool nsWindow::IsMainMenuWindow() {
 | ||
|   nsMenuPopupFrame* menuPopupFrame = GetMenuPopupFrame(GetFrame());
 | ||
|   if (menuPopupFrame) {
 | ||
|     LOG(("  nsMenuPopupFrame [%p] type: %d IsMenu: %d, IsMenuList: %d\n",
 | ||
|          menuPopupFrame, menuPopupFrame->PopupType(), menuPopupFrame->IsMenu(),
 | ||
|          menuPopupFrame->IsMenuList()));
 | ||
|     return mPopupType == ePopupTypeMenu && !menuPopupFrame->IsMenuList();
 | ||
|   }
 | ||
|   return false;
 | ||
| }
 | ||
| 
 | ||
| GtkWindow* nsWindow::GetTopmostWindow() {
 | ||
|   nsView* view = nsView::GetViewFor(this);
 | ||
|   if (view) {
 | ||
|     nsView* parentView = view->GetParent();
 | ||
|     if (parentView) {
 | ||
|       nsIWidget* parentWidget = parentView->GetNearestWidget(nullptr);
 | ||
|       if (parentWidget) {
 | ||
|         nsWindow* parentnsWindow = static_cast<nsWindow*>(parentWidget);
 | ||
|         LOG(("  Topmost window: %p [nsWindow]\n", parentnsWindow));
 | ||
|         return GTK_WINDOW(parentnsWindow->mShell);
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
|   return nullptr;
 | ||
| }
 | ||
| 
 | ||
| GtkWindow* nsWindow::GetCurrentWindow() {
 | ||
|   GtkWindow* parentGtkWindow = nullptr;
 | ||
|   // get the last opened window from gVisibleWaylandPopupWindows
 | ||
|   if (gVisibleWaylandPopupWindows) {
 | ||
|     nsWindow* parentnsWindow =
 | ||
|         static_cast<nsWindow*>(gVisibleWaylandPopupWindows->data);
 | ||
|     if (parentnsWindow) {
 | ||
|       LOG(("  Setting parent to last opened window: %p [nsWindow]\n",
 | ||
|            parentnsWindow));
 | ||
|       parentGtkWindow = GTK_WINDOW(parentnsWindow->GetGtkWidget());
 | ||
|     }
 | ||
|   }
 | ||
|   // get the topmost window if the last opened windows are empty
 | ||
|   if (!parentGtkWindow) {
 | ||
|     parentGtkWindow = GetTopmostWindow();
 | ||
|   }
 | ||
|   if (parentGtkWindow && GTK_IS_WINDOW(parentGtkWindow)) {
 | ||
|     return GTK_WINDOW(parentGtkWindow);
 | ||
|   } else {
 | ||
|     LOG(("  Failed to get current window for %p: %p\n", this, parentGtkWindow));
 | ||
|   }
 | ||
|   return nullptr;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::IsWidgetOverflowWindow() {
 | ||
|   if (this->GetFrame() && this->GetFrame()->GetContent()->GetID()) {
 | ||
|     nsCString nodeId;
 | ||
|     this->GetFrame()->GetContent()->GetID()->ToUTF8String(nodeId);
 | ||
|     return nodeId.Equals("widget-overflow");
 | ||
|   }
 | ||
|   return false;
 | ||
| }
 | ||
| 
 | ||
| // Wayland keeps strong popup window hierarchy. We need to track active
 | ||
| // (visible) popup windows and make sure we hide popup on the same level
 | ||
| // before we open another one on that level. It means that every open
 | ||
| // popup needs to have an unique parent.
 | ||
| GtkWidget* nsWindow::ConfigureWaylandPopupWindows() {
 | ||
|   MOZ_ASSERT(this->mWindowType == eWindowType_popup);
 | ||
|   LOG(
 | ||
|       ("nsWindow::ConfigureWaylandPopupWindows [%p], frame %p hasRemoteContent "
 | ||
|        "%d\n",
 | ||
|        (void*)this, this->GetFrame(), this->HasRemoteContent()));
 | ||
| #if DEBUG
 | ||
|   if (this->GetFrame() && this->GetFrame()->GetContent()->GetID()) {
 | ||
|     nsCString nodeId;
 | ||
|     this->GetFrame()->GetContent()->GetID()->ToUTF8String(nodeId);
 | ||
|     LOG(("  [%p] popup node id=%s\n", this, nodeId.get()));
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   if (!GetFrame()) {
 | ||
|     LOG(("  Window without frame cannot be configured.\n"));
 | ||
|     return nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   // Check if we're already configured.
 | ||
|   if (gVisibleWaylandPopupWindows &&
 | ||
|       g_list_find(gVisibleWaylandPopupWindows, this)) {
 | ||
|     LOG(("  [%p] is already configured.\n", (void*)this));
 | ||
|     return GTK_WIDGET(gtk_window_get_transient_for(GTK_WINDOW(mShell)));
 | ||
|   }
 | ||
| 
 | ||
|   // If we're opening a new window we don't want to attach it to a tooltip
 | ||
|   // as it's short lived temporary window.
 | ||
|   HideWaylandTooltips();
 | ||
| 
 | ||
|   // Cleanup already closed menus
 | ||
|   CleanupWaylandPopups();
 | ||
| 
 | ||
|   if (gVisibleWaylandPopupWindows &&
 | ||
|       (HasRemoteContent() || IsWidgetOverflowWindow())) {
 | ||
|     nsWindow* openedWindow =
 | ||
|         static_cast<nsWindow*>(gVisibleWaylandPopupWindows->data);
 | ||
|     LOG(("  this [%p], lastOpenedWindow [%p]", this, openedWindow));
 | ||
|     if (openedWindow != this) {
 | ||
|       LOG(
 | ||
|           ("  Hiding all opened popups because the window is remote content or "
 | ||
|            "overflow-widget"));
 | ||
|       HideWaylandOpenedPopups();
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   GtkWindow* parentGtkWindow = GetCurrentWindow();
 | ||
|   if (parentGtkWindow) {
 | ||
|     MOZ_ASSERT(parentGtkWindow != GTK_WINDOW(this->GetGtkWidget()),
 | ||
|                "Cannot set self as parent");
 | ||
|     gtk_window_set_transient_for(GTK_WINDOW(mShell),
 | ||
|                                  GTK_WINDOW(parentGtkWindow));
 | ||
|     // Add current window to the visible popup list
 | ||
|     gVisibleWaylandPopupWindows =
 | ||
|         g_list_prepend(gVisibleWaylandPopupWindows, this);
 | ||
|     LOG(("  Parent window for %p: %p [GtkWindow]", this, parentGtkWindow));
 | ||
|   }
 | ||
| 
 | ||
|   MOZ_ASSERT(parentGtkWindow, "NO parent window for %p: expect popup glitches");
 | ||
|   return GTK_WIDGET(parentGtkWindow);
 | ||
| }
 | ||
| 
 | ||
| static void NativeMoveResizeWaylandPopupCallback(
 | ||
|     GdkWindow* window, const GdkRectangle* flipped_rect,
 | ||
|     const GdkRectangle* final_rect, gboolean flipped_x, gboolean flipped_y,
 | ||
|     void* aWindow) {
 | ||
|   LOG(("NativeMoveResizeWaylandPopupCallback [%p] flipped_x %d flipped_y %d\n",
 | ||
|        aWindow, flipped_x, flipped_y));
 | ||
| 
 | ||
|   LOG(("  flipped_rect x=%d y=%d width=%d height=%d\n", flipped_rect->x,
 | ||
|        flipped_rect->y, flipped_rect->width, flipped_rect->height));
 | ||
|   LOG(("  final_rect   x=%d y=%d width=%d height=%d\n", final_rect->x,
 | ||
|        final_rect->y, final_rect->width, final_rect->height));
 | ||
|   nsWindow* wnd = get_window_for_gdk_window(window);
 | ||
| 
 | ||
|   wnd->NativeMoveResizeWaylandPopupCB(final_rect, flipped_x, flipped_y);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::NativeMoveResizeWaylandPopupCB(const GdkRectangle* aFinalSize,
 | ||
|                                               bool aFlippedX, bool aFlippedY) {
 | ||
|   LOG(("  orig mBounds x=%d y=%d width=%d height=%d\n", mBounds.x, mBounds.y,
 | ||
|        mBounds.width, mBounds.height));
 | ||
| 
 | ||
|   mWaitingForMoveToRectCB = false;
 | ||
| 
 | ||
|   // We ignore the callback position data because the another resize has been
 | ||
|   // called before the callback have been triggered.
 | ||
|   if (mPendingSizeRect.height > 0 || mPendingSizeRect.width > 0) {
 | ||
|     LOG(
 | ||
|         ("  Another resize called during waiting for callback, calling "
 | ||
|          "Resize(%d, %d)\n",
 | ||
|          mPendingSizeRect.width, mPendingSizeRect.height));
 | ||
|     // Set the preferred size to zero to avoid wrong size of popup because the
 | ||
|     // mPreferredPopupRect is used in nsMenuPopupFrame to set dimensions
 | ||
|     mPreferredPopupRect = nsRect(0, 0, 0, 0);
 | ||
| 
 | ||
|     // We need to schedule another resize because the window has been resized
 | ||
|     // again before callback was called.
 | ||
|     Resize(mPendingSizeRect.width, mPendingSizeRect.height, true);
 | ||
|     DispatchResized();
 | ||
|     mPendingSizeRect.width = mPendingSizeRect.height = 0;
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GtkWindow* parentGtkWindow = gtk_window_get_transient_for(GTK_WINDOW(mShell));
 | ||
|   if (!parentGtkWindow || !GTK_IS_WIDGET(parentGtkWindow)) {
 | ||
|     NS_WARNING("Popup has no parent!");
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // The position of the menu in GTK is relative to it's parent window while
 | ||
|   // in mBounds we have position relative to toplevel window. We need to check
 | ||
|   // and update mBounds in the toplevel coordinates.
 | ||
|   int x_parent, y_parent;
 | ||
|   GetWindowOrigin(gtk_widget_get_window(GTK_WIDGET(parentGtkWindow)), &x_parent,
 | ||
|                   &y_parent);
 | ||
| 
 | ||
|   LayoutDeviceIntRect newBounds(aFinalSize->x, aFinalSize->y, aFinalSize->width,
 | ||
|                                 aFinalSize->height);
 | ||
| 
 | ||
|   newBounds.x = GdkCoordToDevicePixels(newBounds.x);
 | ||
|   newBounds.y = GdkCoordToDevicePixels(newBounds.y);
 | ||
| 
 | ||
|   double scale =
 | ||
|       BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
 | ||
|   int32_t newWidth = NSToIntRound(scale * newBounds.width);
 | ||
|   int32_t newHeight = NSToIntRound(scale * newBounds.height);
 | ||
| 
 | ||
|   // Convert newBounds to "absolute" coordinates (relative to toplevel)
 | ||
|   newBounds.x += x_parent * GdkScaleFactor();
 | ||
|   newBounds.y += y_parent * GdkScaleFactor();
 | ||
| 
 | ||
|   LOG(("  new mBounds  x=%d y=%d width=%d height=%d x_parent=%d y_parent=%d\n",
 | ||
|        newBounds.x, newBounds.y, newWidth, newHeight, x_parent, y_parent));
 | ||
| 
 | ||
|   bool needsPositionUpdate =
 | ||
|       (newBounds.x != mBounds.x || newBounds.y != mBounds.y);
 | ||
|   bool needsSizeUpdate =
 | ||
|       (newWidth != mBounds.width || newHeight != mBounds.height);
 | ||
|   // Update view
 | ||
| 
 | ||
|   if (needsSizeUpdate) {
 | ||
|     LOG(("  needSizeUpdate\n"));
 | ||
|     int32_t p2a = AppUnitsPerCSSPixel() / gfxPlatformGtk::GetFontScaleFactor();
 | ||
|     mPreferredPopupRect = nsRect(NSIntPixelsToAppUnits(newBounds.x, p2a),
 | ||
|                                  NSIntPixelsToAppUnits(newBounds.y, p2a),
 | ||
|                                  NSIntPixelsToAppUnits(newBounds.width, p2a),
 | ||
|                                  NSIntPixelsToAppUnits(newBounds.height, p2a));
 | ||
|     mPreferredPopupRectFlushed = false;
 | ||
|     Resize(newBounds.width, newBounds.height, true);
 | ||
|     DispatchResized();
 | ||
| 
 | ||
|     nsMenuPopupFrame* popupFrame = GetMenuPopupFrame(GetFrame());
 | ||
|     if (popupFrame) {
 | ||
|       RefPtr<PresShell> presShell = popupFrame->PresShell();
 | ||
|       presShell->FrameNeedsReflow(popupFrame, IntrinsicDirty::Resize,
 | ||
|                                   NS_FRAME_IS_DIRTY);
 | ||
|       // Force to trigger popup crop to fit the screen
 | ||
|       popupFrame->SetPopupPosition(nullptr, true, false);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (needsPositionUpdate) {
 | ||
|     LOG(("  needPositionUpdate\n"));
 | ||
|     // The newBounds are in coordinates relative to the parent window/popup.
 | ||
|     // The NotifyWindowMoved requires the coordinates relative to the toplevel.
 | ||
|     // We use the gdk_window_get_origin to get correct coordinates.
 | ||
|     gint x = 0, y = 0;
 | ||
|     GetWindowOrigin(gtk_widget_get_window(GTK_WIDGET(mShell)), &x, &y);
 | ||
|     NotifyWindowMoved(GdkCoordToDevicePixels(x), GdkCoordToDevicePixels(y));
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| static GdkGravity PopupAlignmentToGdkGravity(int8_t aAlignment) {
 | ||
|   switch (aAlignment) {
 | ||
|     case POPUPALIGNMENT_NONE:
 | ||
|       return GDK_GRAVITY_NORTH_WEST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_TOPLEFT:
 | ||
|       return GDK_GRAVITY_NORTH_WEST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_TOPRIGHT:
 | ||
|       return GDK_GRAVITY_NORTH_EAST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_BOTTOMLEFT:
 | ||
|       return GDK_GRAVITY_SOUTH_WEST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_BOTTOMRIGHT:
 | ||
|       return GDK_GRAVITY_SOUTH_EAST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_LEFTCENTER:
 | ||
|       return GDK_GRAVITY_WEST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_RIGHTCENTER:
 | ||
|       return GDK_GRAVITY_EAST;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_TOPCENTER:
 | ||
|       return GDK_GRAVITY_NORTH;
 | ||
|       break;
 | ||
|     case POPUPALIGNMENT_BOTTOMCENTER:
 | ||
|       return GDK_GRAVITY_SOUTH;
 | ||
|       break;
 | ||
|   }
 | ||
|   return GDK_GRAVITY_STATIC;
 | ||
| }
 | ||
| #endif
 | ||
| 
 | ||
| void nsWindow::NativeMoveResizeWaylandPopup(GdkPoint* aPosition,
 | ||
|                                             GdkRectangle* aSize) {
 | ||
|   // Available as of GTK 3.24+
 | ||
|   static auto sGdkWindowMoveToRect = (void (*)(
 | ||
|       GdkWindow*, const GdkRectangle*, GdkGravity, GdkGravity, GdkAnchorHints,
 | ||
|       gint, gint))dlsym(RTLD_DEFAULT, "gdk_window_move_to_rect");
 | ||
|   LOG(("nsWindow::NativeMoveResizeWaylandPopup [%p]\n", (void*)this));
 | ||
| 
 | ||
|   // Compositor may be confused by windows with width/height = 0
 | ||
|   // and positioning such windows leads to Bug 1555866.
 | ||
|   if (!AreBoundsSane()) {
 | ||
|     LOG(("  Bounds are not sane (width: %d height: %d)\n", mBounds.width,
 | ||
|          mBounds.height));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (aSize) {
 | ||
|     gtk_window_resize(GTK_WINDOW(mShell), aSize->width, aSize->height);
 | ||
|   }
 | ||
| 
 | ||
|   GdkWindow* gdkWindow = gtk_widget_get_window(GTK_WIDGET(mShell));
 | ||
| 
 | ||
|   // Use standard gtk_window_move() instead of gdk_window_move_to_rect() when:
 | ||
|   // - gdk_window_move_to_rect() is not available
 | ||
|   // - the widget doesn't have a valid GdkWindow
 | ||
|   if (!sGdkWindowMoveToRect || !gdkWindow) {
 | ||
|     LOG(("  use gtk_window_move(%d, %d)\n", aPosition->x, aPosition->y));
 | ||
|     gtk_window_move(GTK_WINDOW(mShell), aPosition->x, aPosition->y);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GtkWidget* parentWindow = ConfigureWaylandPopupWindows();
 | ||
|   LOG(("nsWindow::NativeMoveResizeWaylandPopup: Set popup parent %p\n",
 | ||
|        parentWindow));
 | ||
| 
 | ||
|   // Get anchor rectangle
 | ||
|   LayoutDeviceIntRect anchorRect(0, 0, 0, 0);
 | ||
|   nsMenuPopupFrame* popupFrame = GetMenuPopupFrame(GetFrame());
 | ||
| 
 | ||
|   int32_t p2a;
 | ||
|   double devPixelsPerCSSPixel = StaticPrefs::layout_css_devPixelsPerPx();
 | ||
|   if (devPixelsPerCSSPixel > 0.0) {
 | ||
|     p2a = AppUnitsPerCSSPixel() / devPixelsPerCSSPixel * GdkScaleFactor();
 | ||
|   } else {
 | ||
|     p2a = AppUnitsPerCSSPixel() / gfxPlatformGtk::GetFontScaleFactor();
 | ||
|   }
 | ||
|   if (popupFrame) {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|     nsRect anchorRectAppUnits = popupFrame->GetAnchorRect();
 | ||
|     anchorRect = LayoutDeviceIntRect::FromUnknownRect(
 | ||
|         anchorRectAppUnits.ToNearestPixels(p2a));
 | ||
| 
 | ||
| #endif
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   bool hasAnchorRect = true;
 | ||
| #endif
 | ||
|   if (anchorRect.width == 0) {
 | ||
|     LOG(("  No anchor rect given, use aPosition for anchor"));
 | ||
|     anchorRect.SetRect(aPosition->x, aPosition->y, 1, 1);
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|     hasAnchorRect = false;
 | ||
| #endif
 | ||
|   }
 | ||
|   LOG(("  anchor x %d y %d width %d height %d (absolute coords)\n",
 | ||
|        anchorRect.x, anchorRect.y, anchorRect.width, anchorRect.height));
 | ||
| 
 | ||
|   // Anchor rect is in the toplevel coordinates but we need to transfer it to
 | ||
|   // the coordinates relative to the popup parent for the
 | ||
|   // gdk_window_move_to_rect
 | ||
|   int x_parent = 0, y_parent = 0;
 | ||
|   GtkWindow* parentGtkWindow = gtk_window_get_transient_for(GTK_WINDOW(mShell));
 | ||
|   if (parentGtkWindow) {
 | ||
|     GetWindowOrigin(gtk_widget_get_window(GTK_WIDGET(parentGtkWindow)),
 | ||
|                     &x_parent, &y_parent);
 | ||
|   }
 | ||
|   LOG(("  x_parent    %d   y_parent    %d\n", x_parent, y_parent));
 | ||
|   anchorRect.MoveBy(-x_parent, -y_parent);
 | ||
|   GdkRectangle rect = {anchorRect.x, anchorRect.y, anchorRect.width,
 | ||
|                        anchorRect.height};
 | ||
| 
 | ||
|   // Get gravity and flip type
 | ||
|   GdkGravity rectAnchor = GDK_GRAVITY_NORTH_WEST;
 | ||
|   GdkGravity menuAnchor = GDK_GRAVITY_NORTH_WEST;
 | ||
|   FlipType flipType = FlipType_Default;
 | ||
|   int8_t position = -1;
 | ||
|   if (popupFrame) {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|     rectAnchor = PopupAlignmentToGdkGravity(popupFrame->GetPopupAnchor());
 | ||
|     menuAnchor = PopupAlignmentToGdkGravity(popupFrame->GetPopupAlignment());
 | ||
|     flipType = popupFrame->GetFlipType();
 | ||
|     position = popupFrame->GetAlignmentPosition();
 | ||
| #endif
 | ||
|   } else {
 | ||
|     LOG(("  NO ANCHOR INFO"));
 | ||
|     if (GetTextDirection() == GTK_TEXT_DIR_RTL) {
 | ||
|       rectAnchor = GDK_GRAVITY_NORTH_EAST;
 | ||
|       menuAnchor = GDK_GRAVITY_NORTH_EAST;
 | ||
|     }
 | ||
|   }
 | ||
|   LOG((" parentRect gravity: %d anchor gravity: %d\n", rectAnchor, menuAnchor));
 | ||
| 
 | ||
|   GdkAnchorHints hints = GdkAnchorHints(GDK_ANCHOR_RESIZE);
 | ||
| 
 | ||
|   // slideHorizontal from nsMenuPopupFrame::SetPopupPosition
 | ||
|   if (position >= POPUPPOSITION_BEFORESTART &&
 | ||
|       position <= POPUPPOSITION_AFTEREND) {
 | ||
|     hints = GdkAnchorHints(hints | GDK_ANCHOR_SLIDE_X);
 | ||
|   }
 | ||
|   // slideVertical from nsMenuPopupFrame::SetPopupPosition
 | ||
|   if (position >= POPUPPOSITION_STARTBEFORE &&
 | ||
|       position <= POPUPPOSITION_ENDAFTER) {
 | ||
|     hints = GdkAnchorHints(hints | GDK_ANCHOR_SLIDE_Y);
 | ||
|   }
 | ||
| 
 | ||
|   if (popupFrame && rectAnchor == GDK_GRAVITY_CENTER &&
 | ||
|       menuAnchor == GDK_GRAVITY_CENTER) {
 | ||
|     // only slide
 | ||
|     hints = GdkAnchorHints(hints | GDK_ANCHOR_SLIDE);
 | ||
|   } else {
 | ||
|     switch (flipType) {
 | ||
|       case FlipType_Both:
 | ||
|         hints = GdkAnchorHints(hints | GDK_ANCHOR_FLIP);
 | ||
|         break;
 | ||
|       case FlipType_Slide:
 | ||
|         hints = GdkAnchorHints(hints | GDK_ANCHOR_SLIDE);
 | ||
|         break;
 | ||
|       case FlipType_Default:
 | ||
|         hints = GdkAnchorHints(hints | GDK_ANCHOR_FLIP);
 | ||
|         break;
 | ||
|       default:
 | ||
|         break;
 | ||
|     }
 | ||
|   }
 | ||
|   if (!IsMainMenuWindow()) {
 | ||
|     // we don't want to slide menus to fit the screen rather resize them
 | ||
|     hints = GdkAnchorHints(hints | GDK_ANCHOR_SLIDE);
 | ||
|   }
 | ||
| 
 | ||
|   // A workaround for https://gitlab.gnome.org/GNOME/gtk/issues/1986
 | ||
|   // gdk_window_move_to_rect() does not reposition visible windows.
 | ||
|   static auto sGtkWidgetIsVisible =
 | ||
|       (gboolean(*)(GtkWidget*))dlsym(RTLD_DEFAULT, "gtk_widget_is_visible");
 | ||
| 
 | ||
|   bool isWidgetVisible =
 | ||
|       (sGtkWidgetIsVisible != nullptr) && sGtkWidgetIsVisible(mShell);
 | ||
|   if (isWidgetVisible) {
 | ||
|     LOG(
 | ||
|         ("  temporary hide popup due to "
 | ||
|          "https://gitlab.gnome.org/GNOME/gtk/issues/1986\n"));
 | ||
|     PauseRemoteRenderer();
 | ||
|     gtk_widget_hide(mShell);
 | ||
|   }
 | ||
| 
 | ||
|   LOG(("  requested rect: x: %d y: %d width: %d height: %d\n", rect.x, rect.y,
 | ||
|        rect.width, rect.height));
 | ||
|   if (aSize) {
 | ||
|     LOG(("  aSize: x%d y%d w%d h%d\n", aSize->x, aSize->y, aSize->width,
 | ||
|          aSize->height));
 | ||
|   } else {
 | ||
|     LOG(("  No aSize given"));
 | ||
|   }
 | ||
| 
 | ||
|   // Inspired by nsMenuPopupFrame::AdjustPositionForAnchorAlign
 | ||
|   nsPoint cursorOffset(0, 0);
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   // Offset is already computed to the tooltips
 | ||
|   if (hasAnchorRect && popupFrame && mPopupType != ePopupTypeTooltip) {
 | ||
|     nsMargin margin(0, 0, 0, 0);
 | ||
|     popupFrame->StyleMargin()->GetMargin(margin);
 | ||
|     switch (popupFrame->GetPopupAlignment()) {
 | ||
|       case POPUPALIGNMENT_TOPRIGHT:
 | ||
|         cursorOffset.MoveBy(-margin.right, margin.top);
 | ||
|         break;
 | ||
|       case POPUPALIGNMENT_BOTTOMLEFT:
 | ||
|         cursorOffset.MoveBy(margin.left, -margin.bottom);
 | ||
|         break;
 | ||
|       case POPUPALIGNMENT_BOTTOMRIGHT:
 | ||
|         cursorOffset.MoveBy(-margin.right, -margin.bottom);
 | ||
|         break;
 | ||
|       case POPUPALIGNMENT_TOPLEFT:
 | ||
|       default:
 | ||
|         cursorOffset.MoveBy(margin.left, margin.top);
 | ||
|         break;
 | ||
|     }
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   if (!g_signal_handler_find(
 | ||
|           gdkWindow, G_SIGNAL_MATCH_FUNC, 0, 0, nullptr,
 | ||
|           FuncToGpointer(NativeMoveResizeWaylandPopupCallback), this)) {
 | ||
|     g_signal_connect(gdkWindow, "moved-to-rect",
 | ||
|                      G_CALLBACK(NativeMoveResizeWaylandPopupCallback), this);
 | ||
|   }
 | ||
| 
 | ||
|   LOG(("  popup window cursor offset x: %d y: %d\n", cursorOffset.x / p2a,
 | ||
|        cursorOffset.y / p2a));
 | ||
|   mWaitingForMoveToRectCB = true;
 | ||
|   sGdkWindowMoveToRect(gdkWindow, &rect, rectAnchor, menuAnchor, hints,
 | ||
|                        cursorOffset.x / p2a, cursorOffset.y / p2a);
 | ||
| 
 | ||
|   if (isWidgetVisible) {
 | ||
|     // We show the popup with the same configuration so no need to call
 | ||
|     // ConfigureWaylandPopupWindows() before gtk_widget_show().
 | ||
|     LOG(
 | ||
|         ("  show popup due to "
 | ||
|          "https://gitlab.gnome.org/GNOME/gtk/issues/1986\n"));
 | ||
|     gtk_widget_show(mShell);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::NativeMove() {
 | ||
|   GdkPoint point = DevicePixelsToGdkPointRoundDown(mBounds.TopLeft());
 | ||
| 
 | ||
|   LOG(("nsWindow::NativeMove [%p] %d %d\n", (void*)this, point.x, point.y));
 | ||
| 
 | ||
|   if (IsWaylandPopup()) {
 | ||
|     GdkRectangle size = DevicePixelsToGdkSizeRoundUp(mBounds.Size());
 | ||
|     NativeMoveResizeWaylandPopup(&point, &size);
 | ||
|   } else if (mIsTopLevel) {
 | ||
|     gtk_window_move(GTK_WINDOW(mShell), point.x, point.y);
 | ||
|   } else if (mGdkWindow) {
 | ||
|     gdk_window_move(mGdkWindow, point.x, point.y);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetZIndex(int32_t aZIndex) {
 | ||
|   nsIWidget* oldPrev = GetPrevSibling();
 | ||
| 
 | ||
|   nsBaseWidget::SetZIndex(aZIndex);
 | ||
| 
 | ||
|   if (GetPrevSibling() == oldPrev) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   NS_ASSERTION(!mContainer, "Expected Mozilla child widget");
 | ||
| 
 | ||
|   // We skip the nsWindows that don't have mGdkWindows.
 | ||
|   // These are probably in the process of being destroyed.
 | ||
| 
 | ||
|   if (!GetNextSibling()) {
 | ||
|     // We're to be on top.
 | ||
|     if (mGdkWindow) gdk_window_raise(mGdkWindow);
 | ||
|   } else {
 | ||
|     // All the siblings before us need to be below our widget.
 | ||
|     for (nsWindow* w = this; w;
 | ||
|          w = static_cast<nsWindow*>(w->GetPrevSibling())) {
 | ||
|       if (w->mGdkWindow) gdk_window_lower(w->mGdkWindow);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetSizeMode(nsSizeMode aMode) {
 | ||
|   LOG(("nsWindow::SetSizeMode [%p] %d\n", (void*)this, aMode));
 | ||
| 
 | ||
|   // Save the requested state.
 | ||
|   nsBaseWidget::SetSizeMode(aMode);
 | ||
| 
 | ||
|   // return if there's no shell or our current state is the same as
 | ||
|   // the mode we were just set to.
 | ||
|   if (!mShell || mSizeState == mSizeMode) {
 | ||
|     LOG(("    already set"));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   switch (aMode) {
 | ||
|     case nsSizeMode_Maximized:
 | ||
|       LOG(("    set maximized"));
 | ||
|       gtk_window_maximize(GTK_WINDOW(mShell));
 | ||
|       break;
 | ||
|     case nsSizeMode_Minimized:
 | ||
|       LOG(("    set minimized"));
 | ||
|       gtk_window_iconify(GTK_WINDOW(mShell));
 | ||
|       break;
 | ||
|     case nsSizeMode_Fullscreen:
 | ||
|       LOG(("    set fullscreen"));
 | ||
|       MakeFullScreen(true);
 | ||
|       break;
 | ||
| 
 | ||
|     default:
 | ||
|       LOG(("    set normal"));
 | ||
|       // nsSizeMode_Normal, really.
 | ||
|       if (mSizeState == nsSizeMode_Minimized)
 | ||
|         gtk_window_deiconify(GTK_WINDOW(mShell));
 | ||
|       else if (mSizeState == nsSizeMode_Maximized)
 | ||
|         gtk_window_unmaximize(GTK_WINDOW(mShell));
 | ||
|       break;
 | ||
|   }
 | ||
| 
 | ||
|   // Request mBounds update from configure event as we may not get
 | ||
|   // OnSizeAllocate for size state changes (Bug 1489463).
 | ||
|   mBoundsAreValid = false;
 | ||
| 
 | ||
|   mSizeState = mSizeMode;
 | ||
| }
 | ||
| 
 | ||
| static bool GetWindowManagerName(GdkWindow* gdk_window, nsACString& wmName) {
 | ||
|   if (!gfxPlatformGtk::GetPlatform()->IsX11Display()) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   Display* xdisplay = gdk_x11_get_default_xdisplay();
 | ||
|   GdkScreen* screen = gdk_window_get_screen(gdk_window);
 | ||
|   Window root_win = GDK_WINDOW_XID(gdk_screen_get_root_window(screen));
 | ||
| 
 | ||
|   int actual_format_return;
 | ||
|   Atom actual_type_return;
 | ||
|   unsigned long nitems_return;
 | ||
|   unsigned long bytes_after_return;
 | ||
|   unsigned char* prop_return = nullptr;
 | ||
|   auto releaseXProperty = MakeScopeExit([&] {
 | ||
|     if (prop_return) {
 | ||
|       XFree(prop_return);
 | ||
|     }
 | ||
|   });
 | ||
| 
 | ||
|   Atom property = XInternAtom(xdisplay, "_NET_SUPPORTING_WM_CHECK", true);
 | ||
|   Atom req_type = XInternAtom(xdisplay, "WINDOW", true);
 | ||
|   if (!property || !req_type) {
 | ||
|     return false;
 | ||
|   }
 | ||
|   int result =
 | ||
|       XGetWindowProperty(xdisplay, root_win, property,
 | ||
|                          0L,                  // offset
 | ||
|                          sizeof(Window) / 4,  // length
 | ||
|                          false,               // delete
 | ||
|                          req_type, &actual_type_return, &actual_format_return,
 | ||
|                          &nitems_return, &bytes_after_return, &prop_return);
 | ||
| 
 | ||
|   if (result != Success || bytes_after_return != 0 || nitems_return != 1) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   Window wmWindow = reinterpret_cast<Window*>(prop_return)[0];
 | ||
|   if (!wmWindow) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   XFree(prop_return);
 | ||
|   prop_return = nullptr;
 | ||
| 
 | ||
|   property = XInternAtom(xdisplay, "_NET_WM_NAME", true);
 | ||
|   req_type = XInternAtom(xdisplay, "UTF8_STRING", true);
 | ||
|   if (!property || !req_type) {
 | ||
|     return false;
 | ||
|   }
 | ||
|   {
 | ||
|     // Suppress fatal errors for a missing window.
 | ||
|     ScopedXErrorHandler handler;
 | ||
|     result =
 | ||
|         XGetWindowProperty(xdisplay, wmWindow, property,
 | ||
|                            0L,         // offset
 | ||
|                            INT32_MAX,  // length
 | ||
|                            false,      // delete
 | ||
|                            req_type, &actual_type_return, &actual_format_return,
 | ||
|                            &nitems_return, &bytes_after_return, &prop_return);
 | ||
|   }
 | ||
| 
 | ||
|   if (result != Success || bytes_after_return != 0) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   wmName = reinterpret_cast<const char*>(prop_return);
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| #define kDesktopMutterSchema "org.gnome.mutter"
 | ||
| #define kDesktopDynamicWorkspacesKey "dynamic-workspaces"
 | ||
| 
 | ||
| static bool WorkspaceManagementDisabled(GdkWindow* gdk_window) {
 | ||
|   if (Preferences::GetBool("widget.disable-workspace-management", false)) {
 | ||
|     return true;
 | ||
|   }
 | ||
|   if (Preferences::HasUserValue("widget.workspace-management")) {
 | ||
|     return Preferences::GetBool("widget.workspace-management");
 | ||
|   }
 | ||
| 
 | ||
|   static const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
 | ||
|   if (currentDesktop && strstr(currentDesktop, "GNOME")) {
 | ||
|     // Gnome uses dynamic workspaces by default so disable workspace management
 | ||
|     // in that case.
 | ||
|     bool usesDynamicWorkspaces = true;
 | ||
|     nsCOMPtr<nsIGSettingsService> gsettings =
 | ||
|         do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
 | ||
|     if (gsettings) {
 | ||
|       nsCOMPtr<nsIGSettingsCollection> mutterSettings;
 | ||
|       gsettings->GetCollectionForSchema(nsLiteralCString(kDesktopMutterSchema),
 | ||
|                                         getter_AddRefs(mutterSettings));
 | ||
|       if (mutterSettings) {
 | ||
|         if (NS_SUCCEEDED(mutterSettings->GetBoolean(
 | ||
|                 nsLiteralCString(kDesktopDynamicWorkspacesKey),
 | ||
|                 &usesDynamicWorkspaces))) {
 | ||
|         }
 | ||
|       }
 | ||
|     }
 | ||
|     return usesDynamicWorkspaces;
 | ||
|   }
 | ||
| 
 | ||
|   // When XDG_CURRENT_DESKTOP is missing, try to get window manager name.
 | ||
|   if (!currentDesktop) {
 | ||
|     nsAutoCString wmName;
 | ||
|     if (GetWindowManagerName(gdk_window, wmName)) {
 | ||
|       if (wmName.EqualsLiteral("bspwm")) {
 | ||
|         return true;
 | ||
|       }
 | ||
|       if (wmName.EqualsLiteral("i3")) {
 | ||
|         return true;
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   return false;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::GetWorkspaceID(nsAString& workspaceID) {
 | ||
|   workspaceID.Truncate();
 | ||
| 
 | ||
|   if (!mIsX11Display || !mShell) {
 | ||
|     return;
 | ||
|   }
 | ||
|   // Get the gdk window for this widget.
 | ||
|   GdkWindow* gdk_window = gtk_widget_get_window(mShell);
 | ||
|   if (!gdk_window) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (WorkspaceManagementDisabled(gdk_window)) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GdkAtom cardinal_atom = gdk_x11_xatom_to_atom(XA_CARDINAL);
 | ||
|   GdkAtom type_returned;
 | ||
|   int format_returned;
 | ||
|   int length_returned;
 | ||
|   long* wm_desktop;
 | ||
| 
 | ||
|   if (!gdk_property_get(gdk_window, gdk_atom_intern("_NET_WM_DESKTOP", FALSE),
 | ||
|                         cardinal_atom,
 | ||
|                         0,          // offset
 | ||
|                         INT32_MAX,  // length
 | ||
|                         FALSE,      // delete
 | ||
|                         &type_returned, &format_returned, &length_returned,
 | ||
|                         (guchar**)&wm_desktop)) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   workspaceID.AppendInt((int32_t)wm_desktop[0]);
 | ||
|   g_free(wm_desktop);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::MoveToWorkspace(const nsAString& workspaceIDStr) {
 | ||
|   nsresult rv = NS_OK;
 | ||
|   int32_t workspaceID = workspaceIDStr.ToInteger(&rv);
 | ||
|   if (NS_FAILED(rv) || !workspaceID || !mIsX11Display || !mShell) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // Get the gdk window for this widget.
 | ||
|   GdkWindow* gdk_window = gtk_widget_get_window(mShell);
 | ||
|   if (!gdk_window) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // This code is inspired by some found in the 'gxtuner' project.
 | ||
|   // https://github.com/brummer10/gxtuner/blob/792d453da0f3a599408008f0f1107823939d730d/deskpager.cpp#L50
 | ||
|   XEvent xevent;
 | ||
|   Display* xdisplay = gdk_x11_get_default_xdisplay();
 | ||
|   GdkScreen* screen = gdk_window_get_screen(gdk_window);
 | ||
|   Window root_win = GDK_WINDOW_XID(gdk_screen_get_root_window(screen));
 | ||
|   GdkDisplay* display = gdk_window_get_display(gdk_window);
 | ||
|   Atom type = gdk_x11_get_xatom_by_name_for_display(display, "_NET_WM_DESKTOP");
 | ||
| 
 | ||
|   xevent.type = ClientMessage;
 | ||
|   xevent.xclient.type = ClientMessage;
 | ||
|   xevent.xclient.serial = 0;
 | ||
|   xevent.xclient.send_event = TRUE;
 | ||
|   xevent.xclient.display = xdisplay;
 | ||
|   xevent.xclient.window = GDK_WINDOW_XID(gdk_window);
 | ||
|   xevent.xclient.message_type = type;
 | ||
|   xevent.xclient.format = 32;
 | ||
|   xevent.xclient.data.l[0] = workspaceID;
 | ||
|   xevent.xclient.data.l[1] = X11CurrentTime;
 | ||
|   xevent.xclient.data.l[2] = 0;
 | ||
|   xevent.xclient.data.l[3] = 0;
 | ||
|   xevent.xclient.data.l[4] = 0;
 | ||
| 
 | ||
|   XSendEvent(xdisplay, root_win, FALSE,
 | ||
|              SubstructureNotifyMask | SubstructureRedirectMask, &xevent);
 | ||
| 
 | ||
|   XFlush(xdisplay);
 | ||
| }
 | ||
| 
 | ||
| typedef void (*SetUserTimeFunc)(GdkWindow* aWindow, guint32 aTimestamp);
 | ||
| 
 | ||
| static void SetUserTimeAndStartupIDForActivatedWindow(GtkWidget* aWindow) {
 | ||
|   nsGTKToolkit* GTKToolkit = nsGTKToolkit::GetToolkit();
 | ||
|   if (!GTKToolkit) return;
 | ||
| 
 | ||
|   nsAutoCString desktopStartupID;
 | ||
|   GTKToolkit->GetDesktopStartupID(&desktopStartupID);
 | ||
|   if (desktopStartupID.IsEmpty()) {
 | ||
|     // We don't have the data we need. Fall back to an
 | ||
|     // approximation ... using the timestamp of the remote command
 | ||
|     // being received as a guess for the timestamp of the user event
 | ||
|     // that triggered it.
 | ||
|     uint32_t timestamp = GTKToolkit->GetFocusTimestamp();
 | ||
|     if (timestamp) {
 | ||
|       gdk_window_focus(gtk_widget_get_window(aWindow), timestamp);
 | ||
|       GTKToolkit->SetFocusTimestamp(0);
 | ||
|     }
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   gtk_window_set_startup_id(GTK_WINDOW(aWindow), desktopStartupID.get());
 | ||
| 
 | ||
|   // If we used the startup ID, that already contains the focus timestamp;
 | ||
|   // we don't want to reuse the timestamp next time we raise the window
 | ||
|   GTKToolkit->SetFocusTimestamp(0);
 | ||
|   GTKToolkit->SetDesktopStartupID(""_ns);
 | ||
| }
 | ||
| 
 | ||
| /* static */
 | ||
| guint32 nsWindow::GetLastUserInputTime() {
 | ||
|   // gdk_x11_display_get_user_time/gtk_get_current_event_time tracks
 | ||
|   // button and key presses, DESKTOP_STARTUP_ID used to start the app,
 | ||
|   // drop events from external drags,
 | ||
|   // WM_DELETE_WINDOW delete events, but not usually mouse motion nor
 | ||
|   // button and key releases.  Therefore use the most recent of
 | ||
|   // gdk_x11_display_get_user_time and the last time that we have seen.
 | ||
|   GdkDisplay* gdkDisplay = gdk_display_get_default();
 | ||
|   guint32 timestamp = GdkIsX11Display(gdkDisplay)
 | ||
|                           ? gdk_x11_display_get_user_time(gdkDisplay)
 | ||
|                           : gtk_get_current_event_time();
 | ||
| 
 | ||
|   if (sLastUserInputTime != GDK_CURRENT_TIME &&
 | ||
|       TimestampIsNewerThan(sLastUserInputTime, timestamp)) {
 | ||
|     return sLastUserInputTime;
 | ||
|   }
 | ||
| 
 | ||
|   return timestamp;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetFocus(Raise aRaise, mozilla::dom::CallerType aCallerType) {
 | ||
|   // Make sure that our owning widget has focus.  If it doesn't try to
 | ||
|   // grab it.  Note that we don't set our focus flag in this case.
 | ||
| 
 | ||
|   LOGFOCUS(("  SetFocus %d [%p]\n", aRaise == Raise::Yes, (void*)this));
 | ||
| 
 | ||
|   GtkWidget* owningWidget = GetMozContainerWidget();
 | ||
|   if (!owningWidget) return;
 | ||
| 
 | ||
|   // Raise the window if someone passed in true and the prefs are
 | ||
|   // set properly.
 | ||
|   GtkWidget* toplevelWidget = gtk_widget_get_toplevel(owningWidget);
 | ||
| 
 | ||
|   if (gRaiseWindows && aRaise == Raise::Yes && toplevelWidget &&
 | ||
|       !gtk_widget_has_focus(owningWidget) &&
 | ||
|       !gtk_widget_has_focus(toplevelWidget)) {
 | ||
|     GtkWidget* top_window = GetToplevelWidget();
 | ||
|     if (top_window && (gtk_widget_get_visible(top_window))) {
 | ||
|       gdk_window_show_unraised(gtk_widget_get_window(top_window));
 | ||
|       // Unset the urgency hint if possible.
 | ||
|       SetUrgencyHint(top_window, false);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   RefPtr<nsWindow> owningWindow = get_window_for_gtk_widget(owningWidget);
 | ||
|   if (!owningWindow) return;
 | ||
| 
 | ||
|   if (aRaise == Raise::Yes) {
 | ||
|     // means request toplevel activation.
 | ||
| 
 | ||
|     // This is asynchronous.
 | ||
|     // If and when the window manager accepts the request, then the focus
 | ||
|     // widget will get a focus-in-event signal.
 | ||
|     if (gRaiseWindows && owningWindow->mIsShown && owningWindow->mShell &&
 | ||
|         !gtk_window_is_active(GTK_WINDOW(owningWindow->mShell))) {
 | ||
|       if (!mIsX11Display &&
 | ||
|           Preferences::GetBool("testing.browserTestHarness.running", false)) {
 | ||
|         // Wayland does not support focus changes so we need to workaround it
 | ||
|         // by window hide/show sequence but only when it's running in testsuite.
 | ||
|         owningWindow->NativeShow(false);
 | ||
|         owningWindow->NativeShow(true);
 | ||
|         return;
 | ||
|       }
 | ||
| 
 | ||
|       uint32_t timestamp = GDK_CURRENT_TIME;
 | ||
| 
 | ||
|       nsGTKToolkit* GTKToolkit = nsGTKToolkit::GetToolkit();
 | ||
|       if (GTKToolkit) timestamp = GTKToolkit->GetFocusTimestamp();
 | ||
| 
 | ||
|       LOGFOCUS(("  requesting toplevel activation [%p]\n", (void*)this));
 | ||
|       NS_ASSERTION(owningWindow->mWindowType != eWindowType_popup || mParent,
 | ||
|                    "Presenting an override-redirect window");
 | ||
|       gtk_window_present_with_time(GTK_WINDOW(owningWindow->mShell), timestamp);
 | ||
| 
 | ||
|       if (GTKToolkit) GTKToolkit->SetFocusTimestamp(0);
 | ||
|     }
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // aRaise == No means that keyboard events should be dispatched from this
 | ||
|   // widget.
 | ||
| 
 | ||
|   // Ensure owningWidget is the focused GtkWidget within its toplevel window.
 | ||
|   //
 | ||
|   // For eWindowType_popup, this GtkWidget may not actually be the one that
 | ||
|   // receives the key events as it may be the parent window that is active.
 | ||
|   if (!gtk_widget_is_focus(owningWidget)) {
 | ||
|     // This is synchronous.  It takes focus from a plugin or from a widget
 | ||
|     // in an embedder.  The focus manager already knows that this window
 | ||
|     // is active so gBlockActivateEvent avoids another (unnecessary)
 | ||
|     // activate notification.
 | ||
|     gBlockActivateEvent = true;
 | ||
|     gtk_widget_grab_focus(owningWidget);
 | ||
|     gBlockActivateEvent = false;
 | ||
|   }
 | ||
| 
 | ||
|   // If this is the widget that already has focus, return.
 | ||
|   if (gFocusWindow == this) {
 | ||
|     LOGFOCUS(("  already have focus [%p]\n", (void*)this));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // Set this window to be the focused child window
 | ||
|   gFocusWindow = this;
 | ||
| 
 | ||
|   if (mIMContext) {
 | ||
|     mIMContext->OnFocusWindow(this);
 | ||
|   }
 | ||
| 
 | ||
|   LOGFOCUS(("  widget now has focus in SetFocus() [%p]\n", (void*)this));
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntRect nsWindow::GetScreenBounds() {
 | ||
|   LayoutDeviceIntRect rect;
 | ||
|   if (mIsTopLevel && mContainer) {
 | ||
|     // use the point including window decorations
 | ||
|     gint x, y;
 | ||
|     gdk_window_get_root_origin(gtk_widget_get_window(GTK_WIDGET(mContainer)),
 | ||
|                                &x, &y);
 | ||
|     rect.MoveTo(GdkPointToDevicePixels({x, y}));
 | ||
|   } else {
 | ||
|     rect.MoveTo(WidgetToScreenOffset());
 | ||
|   }
 | ||
|   // mBounds.Size() is the window bounds, not the window-manager frame
 | ||
|   // bounds (bug 581863).  gdk_window_get_frame_extents would give the
 | ||
|   // frame bounds, but mBounds.Size() is returned here for consistency
 | ||
|   // with Resize.
 | ||
|   rect.SizeTo(mBounds.Size());
 | ||
| #if MOZ_LOGGING
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   LOG(("GetScreenBounds [%p] %d,%d -> %d x %d, unscaled %d,%d -> %d x %d\n",
 | ||
|        this, rect.x, rect.y, rect.width, rect.height, rect.x / scale,
 | ||
|        rect.y / scale, rect.width / scale, rect.height / scale));
 | ||
| #endif
 | ||
|   return rect;
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntSize nsWindow::GetClientSize() {
 | ||
|   return LayoutDeviceIntSize(mBounds.width, mBounds.height);
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntRect nsWindow::GetClientBounds() {
 | ||
|   // GetBounds returns a rect whose top left represents the top left of the
 | ||
|   // outer bounds, but whose width/height represent the size of the inner
 | ||
|   // bounds (which is messed up).
 | ||
|   LayoutDeviceIntRect rect = GetBounds();
 | ||
|   rect.MoveBy(GetClientOffset());
 | ||
|   return rect;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::UpdateClientOffsetFromFrameExtents() {
 | ||
|   AUTO_PROFILER_LABEL("nsWindow::UpdateClientOffsetFromFrameExtents", OTHER);
 | ||
| 
 | ||
|   if (mGtkWindowDecoration == GTK_DECORATION_CLIENT && mDrawInTitlebar) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!mIsTopLevel || !mShell ||
 | ||
|       gtk_window_get_window_type(GTK_WINDOW(mShell)) == GTK_WINDOW_POPUP) {
 | ||
|     mClientOffset = nsIntPoint(0, 0);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GdkAtom cardinal_atom = gdk_x11_xatom_to_atom(XA_CARDINAL);
 | ||
| 
 | ||
|   GdkAtom type_returned;
 | ||
|   int format_returned;
 | ||
|   int length_returned;
 | ||
|   long* frame_extents;
 | ||
| 
 | ||
|   if (!gdk_property_get(gtk_widget_get_window(mShell),
 | ||
|                         gdk_atom_intern("_NET_FRAME_EXTENTS", FALSE),
 | ||
|                         cardinal_atom,
 | ||
|                         0,      // offset
 | ||
|                         4 * 4,  // length
 | ||
|                         FALSE,  // delete
 | ||
|                         &type_returned, &format_returned, &length_returned,
 | ||
|                         (guchar**)&frame_extents) ||
 | ||
|       length_returned / sizeof(glong) != 4) {
 | ||
|     mClientOffset = nsIntPoint(0, 0);
 | ||
|   } else {
 | ||
|     // data returned is in the order left, right, top, bottom
 | ||
|     auto left = int32_t(frame_extents[0]);
 | ||
|     auto top = int32_t(frame_extents[2]);
 | ||
|     g_free(frame_extents);
 | ||
| 
 | ||
|     mClientOffset = nsIntPoint(left, top);
 | ||
|   }
 | ||
| 
 | ||
|   // Send a WindowMoved notification. This ensures that BrowserParent
 | ||
|   // picks up the new client offset and sends it to the child process
 | ||
|   // if appropriate.
 | ||
|   NotifyWindowMoved(mBounds.x, mBounds.y);
 | ||
| 
 | ||
|   LOG(("nsWindow::UpdateClientOffsetFromFrameExtents [%p] %d,%d\n", (void*)this,
 | ||
|        mClientOffset.x, mClientOffset.y));
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntPoint nsWindow::GetClientOffset() {
 | ||
|   return mIsX11Display ? LayoutDeviceIntPoint::FromUnknownPoint(mClientOffset)
 | ||
|                        : LayoutDeviceIntPoint(0, 0);
 | ||
| }
 | ||
| 
 | ||
| gboolean nsWindow::OnPropertyNotifyEvent(GtkWidget* aWidget,
 | ||
|                                          GdkEventProperty* aEvent) {
 | ||
|   if (aEvent->atom == gdk_atom_intern("_NET_FRAME_EXTENTS", FALSE)) {
 | ||
|     UpdateClientOffsetFromFrameExtents();
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   if (GetCurrentTimeGetter()->PropertyNotifyHandler(aWidget, aEvent)) {
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| static GdkCursor* GetCursorForImage(imgIContainer* aCursorImage,
 | ||
|                                     uint32_t aHotspotX, uint32_t aHotspotY) {
 | ||
|   if (!aCursorImage) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
|   GdkPixbuf* pixbuf = nsImageToPixbuf::ImageToPixbuf(aCursorImage);
 | ||
|   if (!pixbuf) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   int width = gdk_pixbuf_get_width(pixbuf);
 | ||
|   int height = gdk_pixbuf_get_height(pixbuf);
 | ||
| 
 | ||
|   auto CleanupPixBuf =
 | ||
|       mozilla::MakeScopeExit([&]() { g_object_unref(pixbuf); });
 | ||
| 
 | ||
|   // Reject cursors greater than 128 pixels in some direction, to prevent
 | ||
|   // spoofing.
 | ||
|   // XXX ideally we should rescale. Also, we could modify the API to
 | ||
|   // allow trusted content to set larger cursors.
 | ||
|   //
 | ||
|   // TODO(emilio, bug 1445844): Unify the solution for this with other
 | ||
|   // platforms.
 | ||
|   if (width > 128 || height > 128) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   // Looks like all cursors need an alpha channel (tested on Gtk 2.4.4). This
 | ||
|   // is of course not documented anywhere...
 | ||
|   // So add one if there isn't one yet
 | ||
|   if (!gdk_pixbuf_get_has_alpha(pixbuf)) {
 | ||
|     GdkPixbuf* alphaBuf = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0);
 | ||
|     g_object_unref(pixbuf);
 | ||
|     pixbuf = alphaBuf;
 | ||
|     if (!alphaBuf) {
 | ||
|       return nullptr;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   return gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf,
 | ||
|                                     aHotspotX, aHotspotY);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetCursor(nsCursor aDefaultCursor, imgIContainer* aCursorImage,
 | ||
|                          uint32_t aHotspotX, uint32_t aHotspotY) {
 | ||
|   // if we're not the toplevel window pass up the cursor request to
 | ||
|   // the toplevel window to handle it.
 | ||
|   if (!mContainer && mGdkWindow) {
 | ||
|     nsWindow* window = GetContainerWindow();
 | ||
|     if (!window) return;
 | ||
| 
 | ||
|     window->SetCursor(aDefaultCursor, aCursorImage, aHotspotX, aHotspotY);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // Only change cursor if it's actually been changed
 | ||
|   if (!aCursorImage && aDefaultCursor == mCursor && !mUpdateCursor) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   mUpdateCursor = false;
 | ||
|   mCursor = eCursorInvalid;
 | ||
| 
 | ||
|   // Try to set the cursor image first, and fall back to the numeric cursor.
 | ||
|   GdkCursor* newCursor = GetCursorForImage(aCursorImage, aHotspotX, aHotspotY);
 | ||
|   if (!newCursor) {
 | ||
|     newCursor = get_gtk_cursor(aDefaultCursor);
 | ||
|     if (newCursor) {
 | ||
|       mCursor = aDefaultCursor;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   auto CleanupCursor = mozilla::MakeScopeExit([&]() {
 | ||
|     // get_gtk_cursor returns a weak reference, which we shouldn't unref.
 | ||
|     if (newCursor && mCursor == eCursorInvalid) {
 | ||
|       g_object_unref(newCursor);
 | ||
|     }
 | ||
|   });
 | ||
| 
 | ||
|   if (!newCursor || !mContainer) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)),
 | ||
|                         newCursor);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::Invalidate(const LayoutDeviceIntRect& aRect) {
 | ||
|   if (!mGdkWindow) return;
 | ||
| 
 | ||
|   GdkRectangle rect = DevicePixelsToGdkRectRoundOut(aRect);
 | ||
|   gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE);
 | ||
| 
 | ||
|   LOGDRAW(("Invalidate (rect) [%p]: %d %d %d %d\n", (void*)this, rect.x, rect.y,
 | ||
|            rect.width, rect.height));
 | ||
| }
 | ||
| 
 | ||
| void* nsWindow::GetNativeData(uint32_t aDataType) {
 | ||
|   switch (aDataType) {
 | ||
|     case NS_NATIVE_WINDOW:
 | ||
|     case NS_NATIVE_WIDGET: {
 | ||
|       if (!mGdkWindow) return nullptr;
 | ||
| 
 | ||
|       return mGdkWindow;
 | ||
|     }
 | ||
| 
 | ||
|     case NS_NATIVE_DISPLAY: {
 | ||
| #ifdef MOZ_X11
 | ||
|       GdkDisplay* gdkDisplay = gdk_display_get_default();
 | ||
|       if (GdkIsX11Display(gdkDisplay)) {
 | ||
|         return GDK_DISPLAY_XDISPLAY(gdkDisplay);
 | ||
|       }
 | ||
| #endif /* MOZ_X11 */
 | ||
|       // Don't bother to return native display on Wayland as it's for
 | ||
|       // X11 only NPAPI plugins.
 | ||
|       return nullptr;
 | ||
|     }
 | ||
|     case NS_NATIVE_SHELLWIDGET:
 | ||
|       return GetToplevelWidget();
 | ||
| 
 | ||
|     case NS_NATIVE_WINDOW_WEBRTC_DEVICE_ID:
 | ||
|     case NS_NATIVE_SHAREABLE_WINDOW:
 | ||
|       if (mIsX11Display) {
 | ||
|         return (void*)GDK_WINDOW_XID(gdk_window_get_toplevel(mGdkWindow));
 | ||
|       }
 | ||
|       NS_WARNING(
 | ||
|           "nsWindow::GetNativeData(): "
 | ||
|           "NS_NATIVE_SHAREABLE_WINDOW / NS_NATIVE_WINDOW_WEBRTC_DEVICE_ID is "
 | ||
|           "not "
 | ||
|           "handled on Wayland!");
 | ||
|       return nullptr;
 | ||
|     case NS_RAW_NATIVE_IME_CONTEXT: {
 | ||
|       void* pseudoIMEContext = GetPseudoIMEContext();
 | ||
|       if (pseudoIMEContext) {
 | ||
|         return pseudoIMEContext;
 | ||
|       }
 | ||
|       // If IME context isn't available on this widget, we should set |this|
 | ||
|       // instead of nullptr.
 | ||
|       if (!mIMContext) {
 | ||
|         return this;
 | ||
|       }
 | ||
|       return mIMContext.get();
 | ||
|     }
 | ||
|     case NS_NATIVE_OPENGL_CONTEXT:
 | ||
|       return nullptr;
 | ||
|     case NS_NATIVE_EGL_WINDOW: {
 | ||
|       if (mIsX11Display) {
 | ||
|         return mGdkWindow ? (void*)GDK_WINDOW_XID(mGdkWindow) : nullptr;
 | ||
|       }
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|       if (mContainer) {
 | ||
|         return moz_container_wayland_get_egl_window(mContainer,
 | ||
|                                                     GdkScaleFactor());
 | ||
|       }
 | ||
| #endif
 | ||
|       return nullptr;
 | ||
|     }
 | ||
|     default:
 | ||
|       NS_WARNING("nsWindow::GetNativeData called with bad value");
 | ||
|       return nullptr;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SetTitle(const nsAString& aTitle) {
 | ||
|   if (!mShell) return NS_OK;
 | ||
| 
 | ||
|     // convert the string into utf8 and set the title.
 | ||
| #define UTF8_FOLLOWBYTE(ch) (((ch)&0xC0) == 0x80)
 | ||
|   NS_ConvertUTF16toUTF8 titleUTF8(aTitle);
 | ||
|   if (titleUTF8.Length() > NS_WINDOW_TITLE_MAX_LENGTH) {
 | ||
|     // Truncate overlong titles (bug 167315). Make sure we chop after a
 | ||
|     // complete sequence by making sure the next char isn't a follow-byte.
 | ||
|     uint32_t len = NS_WINDOW_TITLE_MAX_LENGTH;
 | ||
|     while (UTF8_FOLLOWBYTE(titleUTF8[len])) --len;
 | ||
|     titleUTF8.Truncate(len);
 | ||
|   }
 | ||
|   gtk_window_set_title(GTK_WINDOW(mShell), (const char*)titleUTF8.get());
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetIcon(const nsAString& aIconSpec) {
 | ||
|   if (!mShell) return;
 | ||
| 
 | ||
|   nsAutoCString iconName;
 | ||
| 
 | ||
|   if (aIconSpec.EqualsLiteral("default")) {
 | ||
|     nsAutoString brandName;
 | ||
|     WidgetUtils::GetBrandShortName(brandName);
 | ||
|     if (brandName.IsEmpty()) {
 | ||
|       brandName.AssignLiteral(u"Mozilla");
 | ||
|     }
 | ||
|     AppendUTF16toUTF8(brandName, iconName);
 | ||
|     ToLowerCase(iconName);
 | ||
|   } else {
 | ||
|     AppendUTF16toUTF8(aIconSpec, iconName);
 | ||
|   }
 | ||
| 
 | ||
|   nsCOMPtr<nsIFile> iconFile;
 | ||
|   nsAutoCString path;
 | ||
| 
 | ||
|   gint* iconSizes = gtk_icon_theme_get_icon_sizes(gtk_icon_theme_get_default(),
 | ||
|                                                   iconName.get());
 | ||
|   bool foundIcon = (iconSizes[0] != 0);
 | ||
|   g_free(iconSizes);
 | ||
| 
 | ||
|   if (!foundIcon) {
 | ||
|     // Look for icons with the following suffixes appended to the base name
 | ||
|     // The last two entries (for the old XPM format) will be ignored unless
 | ||
|     // no icons are found using other suffixes. XPM icons are deprecated.
 | ||
| 
 | ||
|     const char16_t extensions[9][8] = {u".png",    u"16.png", u"32.png",
 | ||
|                                        u"48.png",  u"64.png", u"128.png",
 | ||
|                                        u"256.png", u".xpm",   u"16.xpm"};
 | ||
| 
 | ||
|     for (uint32_t i = 0; i < ArrayLength(extensions); i++) {
 | ||
|       // Don't bother looking for XPM versions if we found a PNG.
 | ||
|       if (i == ArrayLength(extensions) - 2 && foundIcon) break;
 | ||
| 
 | ||
|       ResolveIconName(aIconSpec, nsDependentString(extensions[i]),
 | ||
|                       getter_AddRefs(iconFile));
 | ||
|       if (iconFile) {
 | ||
|         iconFile->GetNativePath(path);
 | ||
|         GdkPixbuf* icon = gdk_pixbuf_new_from_file(path.get(), nullptr);
 | ||
|         if (icon) {
 | ||
|           gtk_icon_theme_add_builtin_icon(iconName.get(),
 | ||
|                                           gdk_pixbuf_get_height(icon), icon);
 | ||
|           g_object_unref(icon);
 | ||
|           foundIcon = true;
 | ||
|         }
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // leave the default icon intact if no matching icons were found
 | ||
|   if (foundIcon) {
 | ||
|     gtk_window_set_icon_name(GTK_WINDOW(mShell), iconName.get());
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntPoint nsWindow::WidgetToScreenOffset() {
 | ||
|   nsIntPoint origin(0, 0);
 | ||
|   GetWindowOrigin(mGdkWindow, &origin.x, &origin.y);
 | ||
| 
 | ||
|   return GdkPointToDevicePixels({origin.x, origin.y});
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::CaptureMouse(bool aCapture) {
 | ||
|   LOG(("CaptureMouse %p\n", (void*)this));
 | ||
| 
 | ||
|   if (!mGdkWindow) return;
 | ||
| 
 | ||
|   if (!mContainer) return;
 | ||
| 
 | ||
|   if (aCapture) {
 | ||
|     gtk_grab_add(GTK_WIDGET(mContainer));
 | ||
|     GrabPointer(GetLastUserInputTime());
 | ||
|   } else {
 | ||
|     ReleaseGrabs();
 | ||
|     gtk_grab_remove(GTK_WIDGET(mContainer));
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::CaptureRollupEvents(nsIRollupListener* aListener,
 | ||
|                                    bool aDoCapture) {
 | ||
|   if (!mGdkWindow) return;
 | ||
| 
 | ||
|   if (!mContainer) return;
 | ||
| 
 | ||
|   LOG(("CaptureRollupEvents %p %i\n", this, int(aDoCapture)));
 | ||
| 
 | ||
|   if (aDoCapture) {
 | ||
|     gRollupListener = aListener;
 | ||
|     // Don't add a grab if a drag is in progress, or if the widget is a drag
 | ||
|     // feedback popup. (panels with type="drag").
 | ||
|     if (!mIsDragPopup && !nsWindow::DragInProgress()) {
 | ||
|       gtk_grab_add(GTK_WIDGET(mContainer));
 | ||
|       GrabPointer(GetLastUserInputTime());
 | ||
|     }
 | ||
|   } else {
 | ||
|     if (!nsWindow::DragInProgress()) {
 | ||
|       ReleaseGrabs();
 | ||
|     }
 | ||
|     // There may not have been a drag in process when aDoCapture was set,
 | ||
|     // so make sure to remove any added grab.  This is a no-op if the grab
 | ||
|     // was not added to this widget.
 | ||
|     gtk_grab_remove(GTK_WIDGET(mContainer));
 | ||
|     gRollupListener = nullptr;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::GetAttention(int32_t aCycleCount) {
 | ||
|   LOG(("nsWindow::GetAttention [%p]\n", (void*)this));
 | ||
| 
 | ||
|   GtkWidget* top_window = GetToplevelWidget();
 | ||
|   GtkWidget* top_focused_window =
 | ||
|       gFocusWindow ? gFocusWindow->GetToplevelWidget() : nullptr;
 | ||
| 
 | ||
|   // Don't get attention if the window is focused anyway.
 | ||
|   if (top_window && (gtk_widget_get_visible(top_window)) &&
 | ||
|       top_window != top_focused_window) {
 | ||
|     SetUrgencyHint(top_window, true);
 | ||
|   }
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::HasPendingInputEvent() {
 | ||
|   // This sucks, but gtk/gdk has no way to answer the question we want while
 | ||
|   // excluding paint events, and there's no X API that will let us peek
 | ||
|   // without blocking or removing.  To prevent event reordering, peek
 | ||
|   // anything except expose events.  Reordering expose and others should be
 | ||
|   // ok, hopefully.
 | ||
|   bool haveEvent = false;
 | ||
| #ifdef MOZ_X11
 | ||
|   XEvent ev;
 | ||
|   if (mIsX11Display) {
 | ||
|     Display* display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
 | ||
|     haveEvent = XCheckMaskEvent(
 | ||
|         display,
 | ||
|         KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
 | ||
|             EnterWindowMask | LeaveWindowMask | PointerMotionMask |
 | ||
|             PointerMotionHintMask | Button1MotionMask | Button2MotionMask |
 | ||
|             Button3MotionMask | Button4MotionMask | Button5MotionMask |
 | ||
|             ButtonMotionMask | KeymapStateMask | VisibilityChangeMask |
 | ||
|             StructureNotifyMask | ResizeRedirectMask | SubstructureNotifyMask |
 | ||
|             SubstructureRedirectMask | FocusChangeMask | PropertyChangeMask |
 | ||
|             ColormapChangeMask | OwnerGrabButtonMask,
 | ||
|         &ev);
 | ||
|     if (haveEvent) {
 | ||
|       XPutBackEvent(display, &ev);
 | ||
|     }
 | ||
|   }
 | ||
| #endif
 | ||
|   return haveEvent;
 | ||
| }
 | ||
| 
 | ||
| #if 0
 | ||
| #  ifdef DEBUG
 | ||
| // Paint flashing code (disabled for cairo - see below)
 | ||
| 
 | ||
| #    define CAPS_LOCK_IS_ON \
 | ||
|       (KeymapWrapper::AreModifiersCurrentlyActive(KeymapWrapper::CAPS_LOCK))
 | ||
| 
 | ||
| #    define WANT_PAINT_FLASHING (debug_WantPaintFlashing() && CAPS_LOCK_IS_ON)
 | ||
| 
 | ||
| #    ifdef MOZ_X11
 | ||
| static void
 | ||
| gdk_window_flash(GdkWindow *    aGdkWindow,
 | ||
|                  unsigned int   aTimes,
 | ||
|                  unsigned int   aInterval,  // Milliseconds
 | ||
|                  GdkRegion *    aRegion)
 | ||
| {
 | ||
|   gint         x;
 | ||
|   gint         y;
 | ||
|   gint         width;
 | ||
|   gint         height;
 | ||
|   guint        i;
 | ||
|   GdkGC *      gc = 0;
 | ||
|   GdkColor     white;
 | ||
| 
 | ||
|   gdk_window_get_geometry(aGdkWindow,nullptr,nullptr,&width,&height);
 | ||
| 
 | ||
|   gdk_window_get_origin (aGdkWindow,
 | ||
|                          &x,
 | ||
|                          &y);
 | ||
| 
 | ||
|   gc = gdk_gc_new(gdk_get_default_root_window());
 | ||
| 
 | ||
|   white.pixel = WhitePixel(gdk_display,DefaultScreen(gdk_display));
 | ||
| 
 | ||
|   gdk_gc_set_foreground(gc,&white);
 | ||
|   gdk_gc_set_function(gc,GDK_XOR);
 | ||
|   gdk_gc_set_subwindow(gc,GDK_INCLUDE_INFERIORS);
 | ||
| 
 | ||
|   gdk_region_offset(aRegion, x, y);
 | ||
|   gdk_gc_set_clip_region(gc, aRegion);
 | ||
| 
 | ||
|   /*
 | ||
|    * Need to do this twice so that the XOR effect can replace
 | ||
|    * the original window contents.
 | ||
|    */
 | ||
|   for (i = 0; i < aTimes * 2; i++)
 | ||
|   {
 | ||
|     gdk_draw_rectangle(gdk_get_default_root_window(),
 | ||
|                        gc,
 | ||
|                        TRUE,
 | ||
|                        x,
 | ||
|                        y,
 | ||
|                        width,
 | ||
|                        height);
 | ||
| 
 | ||
|     gdk_flush();
 | ||
| 
 | ||
|     PR_Sleep(PR_MillisecondsToInterval(aInterval));
 | ||
|   }
 | ||
| 
 | ||
|   gdk_gc_destroy(gc);
 | ||
| 
 | ||
|   gdk_region_offset(aRegion, -x, -y);
 | ||
| }
 | ||
| #    endif /* MOZ_X11 */
 | ||
| #  endif   // DEBUG
 | ||
| #endif
 | ||
| 
 | ||
| #ifdef cairo_copy_clip_rectangle_list
 | ||
| #  error "Looks like we're including Mozilla's cairo instead of system cairo"
 | ||
| #endif
 | ||
| static bool ExtractExposeRegion(LayoutDeviceIntRegion& aRegion, cairo_t* cr) {
 | ||
|   cairo_rectangle_list_t* rects = cairo_copy_clip_rectangle_list(cr);
 | ||
|   if (rects->status != CAIRO_STATUS_SUCCESS) {
 | ||
|     NS_WARNING("Failed to obtain cairo rectangle list.");
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   for (int i = 0; i < rects->num_rectangles; i++) {
 | ||
|     const cairo_rectangle_t& r = rects->rectangles[i];
 | ||
|     aRegion.Or(aRegion,
 | ||
|                LayoutDeviceIntRect::Truncate(r.x, r.y, r.width, r.height));
 | ||
|     LOGDRAW(("\t%f %f %f %f\n", r.x, r.y, r.width, r.height));
 | ||
|   }
 | ||
| 
 | ||
|   cairo_rectangle_list_destroy(rects);
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| void nsWindow::MaybeResumeCompositor() {
 | ||
|   MOZ_RELEASE_ASSERT(NS_IsMainThread());
 | ||
| 
 | ||
|   if (mIsDestroyed || !mNeedsCompositorResume) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (CompositorBridgeChild* remoteRenderer = GetRemoteRenderer()) {
 | ||
|     MOZ_ASSERT(mCompositorWidgetDelegate);
 | ||
|     if (mCompositorWidgetDelegate) {
 | ||
|       mCompositorInitiallyPaused = false;
 | ||
|       mNeedsCompositorResume = false;
 | ||
|       remoteRenderer->SendResumeAsync();
 | ||
|     }
 | ||
|     remoteRenderer->SendForcePresent();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::CreateCompositorVsyncDispatcher() {
 | ||
|   if (!mWaylandVsyncSource) {
 | ||
|     nsBaseWidget::CreateCompositorVsyncDispatcher();
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (XRE_IsParentProcess()) {
 | ||
|     if (!mCompositorVsyncDispatcherLock) {
 | ||
|       mCompositorVsyncDispatcherLock =
 | ||
|           MakeUnique<Mutex>("mCompositorVsyncDispatcherLock");
 | ||
|     }
 | ||
|     MutexAutoLock lock(*mCompositorVsyncDispatcherLock);
 | ||
|     if (!mCompositorVsyncDispatcher) {
 | ||
|       mCompositorVsyncDispatcher =
 | ||
|           new CompositorVsyncDispatcher(mWaylandVsyncSource);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| #endif
 | ||
| 
 | ||
| gboolean nsWindow::OnExposeEvent(cairo_t* cr) {
 | ||
|   // Send any pending resize events so that layout can update.
 | ||
|   // May run event loop.
 | ||
|   MaybeDispatchResized();
 | ||
| 
 | ||
|   if (mIsDestroyed) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   // Windows that are not visible will be painted after they become visible.
 | ||
|   if (!mGdkWindow || !mHasMappedToplevel) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   if (!mIsX11Display && !moz_container_wayland_can_draw(mContainer)) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   nsIWidgetListener* listener = GetListener();
 | ||
|   if (!listener) return FALSE;
 | ||
| 
 | ||
|   LOGDRAW(("received expose event [%p] %p 0x%lx (rects follow):\n", this,
 | ||
|            mGdkWindow, mIsX11Display ? gdk_x11_window_get_xid(mGdkWindow) : 0));
 | ||
|   LayoutDeviceIntRegion exposeRegion;
 | ||
|   if (!ExtractExposeRegion(exposeRegion, cr)) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   LayoutDeviceIntRegion region = exposeRegion;
 | ||
|   region.ScaleRoundOut(scale, scale);
 | ||
| 
 | ||
|   if (GetLayerManager()->AsKnowsCompositor() && mCompositorSession) {
 | ||
|     // We need to paint to the screen even if nothing changed, since if we
 | ||
|     // don't have a compositing window manager, our pixels could be stale.
 | ||
|     GetLayerManager()->SetNeedsComposite(true);
 | ||
|     GetLayerManager()->SendInvalidRegion(region.ToUnknownRegion());
 | ||
|   }
 | ||
| 
 | ||
|   RefPtr<nsWindow> strongThis(this);
 | ||
| 
 | ||
|   // Dispatch WillPaintWindow notification to allow scripts etc. to run
 | ||
|   // before we paint
 | ||
|   {
 | ||
|     listener->WillPaintWindow(this);
 | ||
| 
 | ||
|     // If the window has been destroyed during the will paint notification,
 | ||
|     // there is nothing left to do.
 | ||
|     if (!mGdkWindow) return TRUE;
 | ||
| 
 | ||
|     // Re-get the listener since the will paint notification might have
 | ||
|     // killed it.
 | ||
|     listener = GetListener();
 | ||
|     if (!listener) return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   if (GetLayerManager()->AsKnowsCompositor() &&
 | ||
|       GetLayerManager()->NeedsComposite()) {
 | ||
|     GetLayerManager()->ScheduleComposite();
 | ||
|     GetLayerManager()->SetNeedsComposite(false);
 | ||
|   }
 | ||
| 
 | ||
|   // Our bounds may have changed after calling WillPaintWindow.  Clip
 | ||
|   // to the new bounds here.  The region is relative to this
 | ||
|   // window.
 | ||
|   region.And(region, LayoutDeviceIntRect(0, 0, mBounds.width, mBounds.height));
 | ||
| 
 | ||
|   bool shaped = false;
 | ||
|   if (eTransparencyTransparent == GetTransparencyMode()) {
 | ||
|     auto window = static_cast<nsWindow*>(GetTopLevelWidget());
 | ||
|     if (mTransparencyBitmapForTitlebar) {
 | ||
|       if (mSizeState == nsSizeMode_Normal) {
 | ||
|         window->UpdateTitlebarTransparencyBitmap();
 | ||
|       } else {
 | ||
|         window->ClearTransparencyBitmap();
 | ||
|       }
 | ||
|     } else {
 | ||
|       if (mHasAlphaVisual) {
 | ||
|         // Remove possible shape mask from when window manger was not
 | ||
|         // previously compositing.
 | ||
|         window->ClearTransparencyBitmap();
 | ||
|       } else {
 | ||
|         shaped = true;
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (!shaped) {
 | ||
|     GList* children = gdk_window_peek_children(mGdkWindow);
 | ||
|     while (children) {
 | ||
|       GdkWindow* gdkWin = GDK_WINDOW(children->data);
 | ||
|       nsWindow* kid = get_window_for_gdk_window(gdkWin);
 | ||
|       if (kid && gdk_window_is_visible(gdkWin)) {
 | ||
|         AutoTArray<LayoutDeviceIntRect, 1> clipRects;
 | ||
|         kid->GetWindowClipRegion(&clipRects);
 | ||
|         LayoutDeviceIntRect bounds = kid->GetBounds();
 | ||
|         for (uint32_t i = 0; i < clipRects.Length(); ++i) {
 | ||
|           LayoutDeviceIntRect r = clipRects[i] + bounds.TopLeft();
 | ||
|           region.Sub(region, r);
 | ||
|         }
 | ||
|       }
 | ||
|       children = children->next;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (region.IsEmpty()) {
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|   // If this widget uses OMTC...
 | ||
|   if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_CLIENT ||
 | ||
|       GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_WR) {
 | ||
|     listener->PaintWindow(this, region);
 | ||
| 
 | ||
|     // Re-get the listener since the will paint notification might have
 | ||
|     // killed it.
 | ||
|     listener = GetListener();
 | ||
|     if (!listener) return TRUE;
 | ||
| 
 | ||
|     listener->DidPaintWindow();
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|   BufferMode layerBuffering = BufferMode::BUFFERED;
 | ||
|   RefPtr<DrawTarget> dt = StartRemoteDrawingInRegion(region, &layerBuffering);
 | ||
|   if (!dt || !dt->IsValid()) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
|   RefPtr<gfxContext> ctx;
 | ||
|   IntRect boundsRect = region.GetBounds().ToUnknownRect();
 | ||
|   IntPoint offset(0, 0);
 | ||
|   if (dt->GetSize() == boundsRect.Size()) {
 | ||
|     offset = boundsRect.TopLeft();
 | ||
|     dt->SetTransform(Matrix::Translation(-offset));
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   if (shaped) {
 | ||
|     // Collapse update area to the bounding box. This is so we only have to
 | ||
|     // call UpdateTranslucentWindowAlpha once. After we have dropped
 | ||
|     // support for non-Thebes graphics, UpdateTranslucentWindowAlpha will be
 | ||
|     // our private interface so we can rework things to avoid this.
 | ||
|     dt->PushClipRect(Rect(boundsRect));
 | ||
| 
 | ||
|     // The double buffering is done here to extract the shape mask.
 | ||
|     // (The shape mask won't be necessary when a visual with an alpha
 | ||
|     // channel is used on compositing window managers.)
 | ||
|     layerBuffering = BufferMode::BUFFER_NONE;
 | ||
|     RefPtr<DrawTarget> destDT =
 | ||
|         dt->CreateSimilarDrawTarget(boundsRect.Size(), SurfaceFormat::B8G8R8A8);
 | ||
|     if (!destDT || !destDT->IsValid()) {
 | ||
|       return FALSE;
 | ||
|     }
 | ||
|     destDT->SetTransform(Matrix::Translation(-boundsRect.TopLeft()));
 | ||
|     ctx = gfxContext::CreatePreservingTransformOrNull(destDT);
 | ||
|   } else {
 | ||
|     gfxUtils::ClipToRegion(dt, region.ToUnknownRegion());
 | ||
|     ctx = gfxContext::CreatePreservingTransformOrNull(dt);
 | ||
|   }
 | ||
|   MOZ_ASSERT(ctx);  // checked both dt and destDT valid draw target above
 | ||
| 
 | ||
| #  if 0
 | ||
|     // NOTE: Paint flashing region would be wrong for cairo, since
 | ||
|     // cairo inflates the update region, etc.  So don't paint flash
 | ||
|     // for cairo.
 | ||
| #    ifdef DEBUG
 | ||
|     // XXX aEvent->region may refer to a newly-invalid area.  FIXME
 | ||
|     if (0 && WANT_PAINT_FLASHING && gtk_widget_get_window(aEvent))
 | ||
|         gdk_window_flash(mGdkWindow, 1, 100, aEvent->region);
 | ||
| #    endif
 | ||
| #  endif
 | ||
| 
 | ||
| #endif  // MOZ_X11
 | ||
| 
 | ||
|   bool painted = false;
 | ||
|   {
 | ||
|     if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_BASIC) {
 | ||
|       if (GetTransparencyMode() == eTransparencyTransparent &&
 | ||
|           layerBuffering == BufferMode::BUFFER_NONE && mHasAlphaVisual) {
 | ||
|         // If our draw target is unbuffered and we use an alpha channel,
 | ||
|         // clear the image beforehand to ensure we don't get artifacts from a
 | ||
|         // reused SHM image. See bug 1258086.
 | ||
|         dt->ClearRect(Rect(boundsRect));
 | ||
|       }
 | ||
|       AutoLayerManagerSetup setupLayerManager(this, ctx, layerBuffering);
 | ||
|       painted = listener->PaintWindow(this, region);
 | ||
| 
 | ||
|       // Re-get the listener since the will paint notification might have
 | ||
|       // killed it.
 | ||
|       listener = GetListener();
 | ||
|       if (!listener) return TRUE;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   // PaintWindow can Destroy us (bug 378273), avoid doing any paint
 | ||
|   // operations below if that happened - it will lead to XError and exit().
 | ||
|   if (shaped) {
 | ||
|     if (MOZ_LIKELY(!mIsDestroyed)) {
 | ||
|       if (painted) {
 | ||
|         RefPtr<SourceSurface> surf = ctx->GetDrawTarget()->Snapshot();
 | ||
| 
 | ||
|         UpdateAlpha(surf, boundsRect);
 | ||
| 
 | ||
|         dt->DrawSurface(surf, Rect(boundsRect),
 | ||
|                         Rect(0, 0, boundsRect.width, boundsRect.height),
 | ||
|                         DrawSurfaceOptions(SamplingFilter::POINT),
 | ||
|                         DrawOptions(1.0f, CompositionOp::OP_SOURCE));
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   ctx = nullptr;
 | ||
|   dt->PopClip();
 | ||
| 
 | ||
| #endif  // MOZ_X11
 | ||
| 
 | ||
|   EndRemoteDrawingInRegion(dt, region);
 | ||
| 
 | ||
|   listener->DidPaintWindow();
 | ||
| 
 | ||
|   // Synchronously flush any new dirty areas
 | ||
|   cairo_region_t* dirtyArea = gdk_window_get_update_area(mGdkWindow);
 | ||
| 
 | ||
|   if (dirtyArea) {
 | ||
|     gdk_window_invalidate_region(mGdkWindow, dirtyArea, false);
 | ||
|     cairo_region_destroy(dirtyArea);
 | ||
|     gdk_window_process_updates(mGdkWindow, false);
 | ||
|   }
 | ||
| 
 | ||
|   // check the return value!
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::UpdateAlpha(SourceSurface* aSourceSurface,
 | ||
|                            nsIntRect aBoundsRect) {
 | ||
|   // We need to create our own buffer to force the stride to match the
 | ||
|   // expected stride.
 | ||
|   int32_t stride =
 | ||
|       GetAlignedStride<4>(aBoundsRect.width, BytesPerPixel(SurfaceFormat::A8));
 | ||
|   if (stride == 0) {
 | ||
|     return;
 | ||
|   }
 | ||
|   int32_t bufferSize = stride * aBoundsRect.height;
 | ||
|   auto imageBuffer = MakeUniqueFallible<uint8_t[]>(bufferSize);
 | ||
|   {
 | ||
|     RefPtr<DrawTarget> drawTarget = gfxPlatform::CreateDrawTargetForData(
 | ||
|         imageBuffer.get(), aBoundsRect.Size(), stride, SurfaceFormat::A8);
 | ||
| 
 | ||
|     if (drawTarget) {
 | ||
|       drawTarget->DrawSurface(aSourceSurface,
 | ||
|                               Rect(0, 0, aBoundsRect.width, aBoundsRect.height),
 | ||
|                               Rect(0, 0, aSourceSurface->GetSize().width,
 | ||
|                                    aSourceSurface->GetSize().height),
 | ||
|                               DrawSurfaceOptions(SamplingFilter::POINT),
 | ||
|                               DrawOptions(1.0f, CompositionOp::OP_SOURCE));
 | ||
|     }
 | ||
|   }
 | ||
|   UpdateTranslucentWindowAlphaInternal(aBoundsRect, imageBuffer.get(), stride);
 | ||
| }
 | ||
| 
 | ||
| gboolean nsWindow::OnConfigureEvent(GtkWidget* aWidget,
 | ||
|                                     GdkEventConfigure* aEvent) {
 | ||
|   // These events are only received on toplevel windows.
 | ||
|   //
 | ||
|   // GDK ensures that the coordinates are the client window top-left wrt the
 | ||
|   // root window.
 | ||
|   //
 | ||
|   //   GDK calculates the cordinates for real ConfigureNotify events on
 | ||
|   //   managed windows (that would normally be relative to the parent
 | ||
|   //   window).
 | ||
|   //
 | ||
|   //   Synthetic ConfigureNotify events are from the window manager and
 | ||
|   //   already relative to the root window.  GDK creates all X windows with
 | ||
|   //   border_width = 0, so synthetic events also indicate the top-left of
 | ||
|   //   the client window.
 | ||
|   //
 | ||
|   //   Override-redirect windows are children of the root window so parent
 | ||
|   //   coordinates are root coordinates.
 | ||
| 
 | ||
|   LOG(("configure event [%p] %d %d %d %d\n", (void*)this, aEvent->x, aEvent->y,
 | ||
|        aEvent->width, aEvent->height));
 | ||
| 
 | ||
|   if (mPendingConfigures > 0) {
 | ||
|     mPendingConfigures--;
 | ||
|   }
 | ||
| 
 | ||
|   LayoutDeviceIntRect screenBounds = GetScreenBounds();
 | ||
| 
 | ||
|   if (mWindowType == eWindowType_toplevel ||
 | ||
|       mWindowType == eWindowType_dialog) {
 | ||
|     // This check avoids unwanted rollup on spurious configure events from
 | ||
|     // Cygwin/X (bug 672103).
 | ||
|     if (mBounds.x != screenBounds.x || mBounds.y != screenBounds.y) {
 | ||
|       CheckForRollup(0, 0, false, true);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   NS_ASSERTION(GTK_IS_WINDOW(aWidget),
 | ||
|                "Configure event on widget that is not a GtkWindow");
 | ||
|   if (gtk_window_get_window_type(GTK_WINDOW(aWidget)) == GTK_WINDOW_POPUP) {
 | ||
|     // Override-redirect window
 | ||
|     //
 | ||
|     // These windows should not be moved by the window manager, and so any
 | ||
|     // change in position is a result of our direction.  mBounds has
 | ||
|     // already been set in std::move() or Resize(), and that is more
 | ||
|     // up-to-date than the position in the ConfigureNotify event if the
 | ||
|     // event is from an earlier window move.
 | ||
|     //
 | ||
|     // Skipping the WindowMoved call saves context menus from an infinite
 | ||
|     // loop when nsXULPopupManager::PopupMoved moves the window to the new
 | ||
|     // position and nsMenuPopupFrame::SetPopupPosition adds
 | ||
|     // offsetForContextMenu on each iteration.
 | ||
| 
 | ||
|     // Our back buffer might have been invalidated while we drew the last
 | ||
|     // frame, and its contents might be incorrect. See bug 1280653 comment 7
 | ||
|     // and comment 10. Specifically we must ensure we recomposite the frame
 | ||
|     // as soon as possible to avoid the corrupted frame being displayed.
 | ||
|     GetLayerManager()->FlushRendering();
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   mBounds.MoveTo(screenBounds.TopLeft());
 | ||
| 
 | ||
|   // XXX mozilla will invalidate the entire window after this move
 | ||
|   // complete.  wtf?
 | ||
|   NotifyWindowMoved(mBounds.x, mBounds.y);
 | ||
| 
 | ||
|   // A GTK app would usually update its client area size in response to
 | ||
|   // a "size-allocate" signal.
 | ||
|   // However, we need to set mBounds in advance at Resize()
 | ||
|   // as JS code expects immediate window size change.
 | ||
|   // If Gecko requests a resize from GTK, but subsequently,
 | ||
|   // before a corresponding "size-allocate" signal is emitted, the window is
 | ||
|   // resized to its former size via other means, such as maximizing,
 | ||
|   // then there is no "size-allocate" signal from which to update
 | ||
|   // the value of mBounds. Similarly, if Gecko's resize request is refused
 | ||
|   // by the window manager, then there will be no "size-allocate" signal.
 | ||
|   // In the refused request case, the window manager is required to dispatch
 | ||
|   // a ConfigureNotify event. mBounds can then be updated here.
 | ||
|   // This seems to also be sufficient to update mBounds when Gecko resizes
 | ||
|   // the window from maximized size and then immediately maximizes again.
 | ||
|   if (!mBoundsAreValid) {
 | ||
|     GtkAllocation allocation = {-1, -1, 0, 0};
 | ||
|     gtk_window_get_size(GTK_WINDOW(mShell), &allocation.width,
 | ||
|                         &allocation.height);
 | ||
|     OnSizeAllocate(&allocation);
 | ||
|   }
 | ||
| 
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnContainerUnrealize() {
 | ||
|   // The GdkWindows are about to be destroyed (but not deleted), so remove
 | ||
|   // their references back to their container widget while the GdkWindow
 | ||
|   // hierarchy is still available.
 | ||
| 
 | ||
|   if (mGdkWindow) {
 | ||
|     DestroyChildWindows();
 | ||
| 
 | ||
|     g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", nullptr);
 | ||
|     mGdkWindow = nullptr;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnSizeAllocate(GtkAllocation* aAllocation) {
 | ||
|   LOG(("nsWindow::OnSizeAllocate [%p] %d,%d -> %d x %d\n", (void*)this,
 | ||
|        aAllocation->x, aAllocation->y, aAllocation->width,
 | ||
|        aAllocation->height));
 | ||
| 
 | ||
|   // Client offset are updated by _NET_FRAME_EXTENTS on X11 when system titlebar
 | ||
|   // is enabled. In either cases (Wayland or system titlebar is off on X11)
 | ||
|   // we don't get _NET_FRAME_EXTENTS X11 property notification so we derive
 | ||
|   // it from mContainer position.
 | ||
|   if (mGtkWindowDecoration == GTK_DECORATION_CLIENT) {
 | ||
|     if (!mIsX11Display || (mIsX11Display && mDrawInTitlebar)) {
 | ||
|       UpdateClientOffsetFromCSDWindow();
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   mBoundsAreValid = true;
 | ||
| 
 | ||
|   LayoutDeviceIntSize size = GdkRectToDevicePixels(*aAllocation).Size();
 | ||
|   if (mBounds.Size() == size) {
 | ||
|     LOG(("  Already the same size"));
 | ||
|     // We were already resized at nsWindow::OnConfigureEvent() so skip it.
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // Invalidate the new part of the window now for the pending paint to
 | ||
|   // minimize background flashes (GDK does not do this for external resizes
 | ||
|   // of toplevels.)
 | ||
|   if (mBounds.width < size.width) {
 | ||
|     GdkRectangle rect = DevicePixelsToGdkRectRoundOut(LayoutDeviceIntRect(
 | ||
|         mBounds.width, 0, size.width - mBounds.width, size.height));
 | ||
|     gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE);
 | ||
|   }
 | ||
|   if (mBounds.height < size.height) {
 | ||
|     GdkRectangle rect = DevicePixelsToGdkRectRoundOut(LayoutDeviceIntRect(
 | ||
|         0, mBounds.height, size.width, size.height - mBounds.height));
 | ||
|     gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE);
 | ||
|   }
 | ||
| 
 | ||
|   mBounds.SizeTo(size);
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   // Notify the GtkCompositorWidget of a ClientSizeChange
 | ||
|   if (mCompositorWidgetDelegate) {
 | ||
|     mCompositorWidgetDelegate->NotifyClientSizeChanged(GetClientSize());
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // Gecko permits running nested event loops during processing of events,
 | ||
|   // GtkWindow callers of gtk_widget_size_allocate expect the signal
 | ||
|   // handlers to return sometime in the near future.
 | ||
|   mNeedsDispatchResized = true;
 | ||
|   NS_DispatchToCurrentThread(NewRunnableMethod(
 | ||
|       "nsWindow::MaybeDispatchResized", this, &nsWindow::MaybeDispatchResized));
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnDeleteEvent() {
 | ||
|   if (mWidgetListener) mWidgetListener->RequestWindowClose(this);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnEnterNotifyEvent(GdkEventCrossing* aEvent) {
 | ||
|   // This skips NotifyVirtual and NotifyNonlinearVirtual enter notify events
 | ||
|   // when the pointer enters a child window.  If the destination window is a
 | ||
|   // Gecko window then we'll catch the corresponding event on that window,
 | ||
|   // but we won't notice when the pointer directly enters a foreign (plugin)
 | ||
|   // child window without passing over a visible portion of a Gecko window.
 | ||
|   if (aEvent->subwindow != nullptr) return;
 | ||
| 
 | ||
|   // Check before is_parent_ungrab_enter() as the button state may have
 | ||
|   // changed while a non-Gecko ancestor window had a pointer grab.
 | ||
|   DispatchMissedButtonReleases(aEvent);
 | ||
| 
 | ||
|   if (is_parent_ungrab_enter(aEvent)) return;
 | ||
| 
 | ||
|   WidgetMouseEvent event(true, eMouseEnterIntoWidget, this,
 | ||
|                          WidgetMouseEvent::eReal);
 | ||
| 
 | ||
|   event.mRefPoint = GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
 | ||
|   event.AssignEventTime(GetWidgetEventTime(aEvent->time));
 | ||
| 
 | ||
|   LOG(("OnEnterNotify: %p\n", (void*)this));
 | ||
| 
 | ||
|   DispatchInputEvent(&event);
 | ||
| }
 | ||
| 
 | ||
| // XXX Is this the right test for embedding cases?
 | ||
| static bool is_top_level_mouse_exit(GdkWindow* aWindow,
 | ||
|                                     GdkEventCrossing* aEvent) {
 | ||
|   auto x = gint(aEvent->x_root);
 | ||
|   auto y = gint(aEvent->y_root);
 | ||
|   GdkDisplay* display = gdk_window_get_display(aWindow);
 | ||
|   GdkWindow* winAtPt = gdk_display_get_window_at_pointer(display, &x, &y);
 | ||
|   if (!winAtPt) return true;
 | ||
|   GdkWindow* topLevelAtPt = gdk_window_get_toplevel(winAtPt);
 | ||
|   GdkWindow* topLevelWidget = gdk_window_get_toplevel(aWindow);
 | ||
|   return topLevelAtPt != topLevelWidget;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnLeaveNotifyEvent(GdkEventCrossing* aEvent) {
 | ||
|   // This ignores NotifyVirtual and NotifyNonlinearVirtual leave notify
 | ||
|   // events when the pointer leaves a child window.  If the destination
 | ||
|   // window is a Gecko window then we'll catch the corresponding event on
 | ||
|   // that window.
 | ||
|   //
 | ||
|   // XXXkt However, we will miss toplevel exits when the pointer directly
 | ||
|   // leaves a foreign (plugin) child window without passing over a visible
 | ||
|   // portion of a Gecko window.
 | ||
|   if (aEvent->subwindow != nullptr) return;
 | ||
| 
 | ||
|   WidgetMouseEvent event(true, eMouseExitFromWidget, this,
 | ||
|                          WidgetMouseEvent::eReal);
 | ||
| 
 | ||
|   event.mRefPoint = GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
 | ||
|   event.AssignEventTime(GetWidgetEventTime(aEvent->time));
 | ||
| 
 | ||
|   event.mExitFrom = Some(is_top_level_mouse_exit(mGdkWindow, aEvent)
 | ||
|                              ? WidgetMouseEvent::ePlatformTopLevel
 | ||
|                              : WidgetMouseEvent::ePlatformChild);
 | ||
| 
 | ||
|   LOG(("OnLeaveNotify: %p\n", (void*)this));
 | ||
| 
 | ||
|   DispatchInputEvent(&event);
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::CheckResizerEdge(LayoutDeviceIntPoint aPoint,
 | ||
|                                 GdkWindowEdge& aOutEdge) {
 | ||
|   // We only need to handle resizers for PIP window.
 | ||
|   if (!mIsPIPWindow) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   // Don't allow resizing maximized windows.
 | ||
|   if (mSizeState != nsSizeMode_Normal) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
| #define RESIZER_SIZE 15
 | ||
|   int resizerSize = RESIZER_SIZE * GdkScaleFactor();
 | ||
|   int topDist = aPoint.y;
 | ||
|   int leftDist = aPoint.x;
 | ||
|   int rightDist = mBounds.width - aPoint.x;
 | ||
|   int bottomDist = mBounds.height - aPoint.y;
 | ||
| 
 | ||
|   if (leftDist <= resizerSize && topDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_NORTH_WEST;
 | ||
|   } else if (rightDist <= resizerSize && topDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_NORTH_EAST;
 | ||
|   } else if (leftDist <= resizerSize && bottomDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_SOUTH_WEST;
 | ||
|   } else if (rightDist <= resizerSize && bottomDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_SOUTH_EAST;
 | ||
|   } else if (topDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_NORTH;
 | ||
|   } else if (leftDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_WEST;
 | ||
|   } else if (rightDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_EAST;
 | ||
|   } else if (bottomDist <= resizerSize) {
 | ||
|     aOutEdge = GDK_WINDOW_EDGE_SOUTH;
 | ||
|   } else {
 | ||
|     return false;
 | ||
|   }
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| template <typename Event>
 | ||
| static LayoutDeviceIntPoint GetRefPoint(nsWindow* aWindow, Event* aEvent) {
 | ||
|   if (aEvent->window == aWindow->GetGdkWindow()) {
 | ||
|     // we are the window that the event happened on so no need for expensive
 | ||
|     // WidgetToScreenOffset
 | ||
|     return aWindow->GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
 | ||
|   }
 | ||
|   // XXX we're never quite sure which GdkWindow the event came from due to our
 | ||
|   // custom bubbling in scroll_event_cb(), so use ScreenToWidget to translate
 | ||
|   // the screen root coordinates into coordinates relative to this widget.
 | ||
|   return aWindow->GdkEventCoordsToDevicePixels(aEvent->x_root, aEvent->y_root) -
 | ||
|          aWindow->WidgetToScreenOffset();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnMotionNotifyEvent(GdkEventMotion* aEvent) {
 | ||
|   if (mWindowShouldStartDragging) {
 | ||
|     mWindowShouldStartDragging = false;
 | ||
|     // find the top-level window
 | ||
|     GdkWindow* gdk_window = gdk_window_get_toplevel(mGdkWindow);
 | ||
|     MOZ_ASSERT(gdk_window, "gdk_window_get_toplevel should not return null");
 | ||
| 
 | ||
|     bool canDrag = true;
 | ||
|     if (mIsX11Display) {
 | ||
|       // Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=789054
 | ||
|       // To avoid crashes disable double-click on WM without _NET_WM_MOVERESIZE.
 | ||
|       // See _should_perform_ewmh_drag() at gdkwindow-x11.c
 | ||
|       GdkScreen* screen = gdk_window_get_screen(gdk_window);
 | ||
|       GdkAtom atom = gdk_atom_intern("_NET_WM_MOVERESIZE", FALSE);
 | ||
|       if (!gdk_x11_screen_supports_net_wm_hint(screen, atom)) {
 | ||
|         canDrag = false;
 | ||
|       }
 | ||
|     }
 | ||
| 
 | ||
|     if (canDrag) {
 | ||
|       gdk_window_begin_move_drag(gdk_window, 1, aEvent->x_root, aEvent->y_root,
 | ||
|                                  aEvent->time);
 | ||
|       return;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // see if we can compress this event
 | ||
|   // XXXldb Why skip every other motion event when we have multiple,
 | ||
|   // but not more than that?
 | ||
|   bool synthEvent = false;
 | ||
| #ifdef MOZ_X11
 | ||
|   XEvent xevent;
 | ||
| 
 | ||
|   if (mIsX11Display) {
 | ||
|     while (XPending(GDK_WINDOW_XDISPLAY(aEvent->window))) {
 | ||
|       XEvent peeked;
 | ||
|       XPeekEvent(GDK_WINDOW_XDISPLAY(aEvent->window), &peeked);
 | ||
|       if (peeked.xany.window != gdk_x11_window_get_xid(aEvent->window) ||
 | ||
|           peeked.type != MotionNotify)
 | ||
|         break;
 | ||
| 
 | ||
|       synthEvent = true;
 | ||
|       XNextEvent(GDK_WINDOW_XDISPLAY(aEvent->window), &xevent);
 | ||
|     }
 | ||
|   }
 | ||
| #endif /* MOZ_X11 */
 | ||
| 
 | ||
|   GdkWindowEdge edge;
 | ||
|   if (CheckResizerEdge(GetRefPoint(this, aEvent), edge)) {
 | ||
|     nsCursor cursor = eCursor_none;
 | ||
|     switch (edge) {
 | ||
|       case GDK_WINDOW_EDGE_NORTH:
 | ||
|         cursor = eCursor_n_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_NORTH_WEST:
 | ||
|         cursor = eCursor_nw_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_NORTH_EAST:
 | ||
|         cursor = eCursor_ne_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_WEST:
 | ||
|         cursor = eCursor_w_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_EAST:
 | ||
|         cursor = eCursor_e_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_SOUTH:
 | ||
|         cursor = eCursor_s_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_SOUTH_WEST:
 | ||
|         cursor = eCursor_sw_resize;
 | ||
|         break;
 | ||
|       case GDK_WINDOW_EDGE_SOUTH_EAST:
 | ||
|         cursor = eCursor_se_resize;
 | ||
|         break;
 | ||
|     }
 | ||
|     SetCursor(cursor, nullptr, 0, 0);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   WidgetMouseEvent event(true, eMouseMove, this, WidgetMouseEvent::eReal);
 | ||
| 
 | ||
|   gdouble pressure = 0;
 | ||
|   gdk_event_get_axis((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
 | ||
|   // Sometime gdk generate 0 pressure value between normal values
 | ||
|   // We have to ignore that and use last valid value
 | ||
|   if (pressure) mLastMotionPressure = pressure;
 | ||
|   event.mPressure = mLastMotionPressure;
 | ||
| 
 | ||
|   guint modifierState;
 | ||
|   if (synthEvent) {
 | ||
| #ifdef MOZ_X11
 | ||
|     event.mRefPoint.x = nscoord(xevent.xmotion.x);
 | ||
|     event.mRefPoint.y = nscoord(xevent.xmotion.y);
 | ||
| 
 | ||
|     modifierState = xevent.xmotion.state;
 | ||
| 
 | ||
|     event.AssignEventTime(GetWidgetEventTime(xevent.xmotion.time));
 | ||
| #else
 | ||
|     event.mRefPoint = GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
 | ||
| 
 | ||
|     modifierState = aEvent->state;
 | ||
| 
 | ||
|     event.AssignEventTime(GetWidgetEventTime(aEvent->time));
 | ||
| #endif /* MOZ_X11 */
 | ||
|   } else {
 | ||
|     event.mRefPoint = GetRefPoint(this, aEvent);
 | ||
| 
 | ||
|     modifierState = aEvent->state;
 | ||
| 
 | ||
|     event.AssignEventTime(GetWidgetEventTime(aEvent->time));
 | ||
|   }
 | ||
| 
 | ||
|   KeymapWrapper::InitInputEvent(event, modifierState);
 | ||
| 
 | ||
|   DispatchInputEvent(&event);
 | ||
| }
 | ||
| 
 | ||
| // If the automatic pointer grab on ButtonPress has deactivated before
 | ||
| // ButtonRelease, and the mouse button is released while the pointer is not
 | ||
| // over any a Gecko window, then the ButtonRelease event will not be received.
 | ||
| // (A similar situation exists when the pointer is grabbed with owner_events
 | ||
| // True as the ButtonRelease may be received on a foreign [plugin] window).
 | ||
| // Use this method to check for released buttons when the pointer returns to a
 | ||
| // Gecko window.
 | ||
| void nsWindow::DispatchMissedButtonReleases(GdkEventCrossing* aGdkEvent) {
 | ||
|   guint changed = aGdkEvent->state ^ gButtonState;
 | ||
|   // Only consider button releases.
 | ||
|   // (Ignore button presses that occurred outside Gecko.)
 | ||
|   guint released = changed & gButtonState;
 | ||
|   gButtonState = aGdkEvent->state;
 | ||
| 
 | ||
|   // Loop over each button, excluding mouse wheel buttons 4 and 5 for which
 | ||
|   // GDK ignores releases.
 | ||
|   for (guint buttonMask = GDK_BUTTON1_MASK; buttonMask <= GDK_BUTTON3_MASK;
 | ||
|        buttonMask <<= 1) {
 | ||
|     if (released & buttonMask) {
 | ||
|       int16_t buttonType;
 | ||
|       switch (buttonMask) {
 | ||
|         case GDK_BUTTON1_MASK:
 | ||
|           buttonType = MouseButton::ePrimary;
 | ||
|           break;
 | ||
|         case GDK_BUTTON2_MASK:
 | ||
|           buttonType = MouseButton::eMiddle;
 | ||
|           break;
 | ||
|         default:
 | ||
|           NS_ASSERTION(buttonMask == GDK_BUTTON3_MASK,
 | ||
|                        "Unexpected button mask");
 | ||
|           buttonType = MouseButton::eSecondary;
 | ||
|       }
 | ||
| 
 | ||
|       LOG(("Synthesized button %u release on %p\n", guint(buttonType + 1),
 | ||
|            (void*)this));
 | ||
| 
 | ||
|       // Dispatch a synthesized button up event to tell Gecko about the
 | ||
|       // change in state.  This event is marked as synthesized so that
 | ||
|       // it is not dispatched as a DOM event, because we don't know the
 | ||
|       // position, widget, modifiers, or time/order.
 | ||
|       WidgetMouseEvent synthEvent(true, eMouseUp, this,
 | ||
|                                   WidgetMouseEvent::eSynthesized);
 | ||
|       synthEvent.mButton = buttonType;
 | ||
|       DispatchInputEvent(&synthEvent);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::InitButtonEvent(WidgetMouseEvent& aEvent,
 | ||
|                                GdkEventButton* aGdkEvent) {
 | ||
|   aEvent.mRefPoint = GetRefPoint(this, aGdkEvent);
 | ||
| 
 | ||
|   guint modifierState = aGdkEvent->state;
 | ||
|   // aEvent's state includes the button state from immediately before this
 | ||
|   // event.  If aEvent is a mousedown or mouseup event, we need to update
 | ||
|   // the button state.
 | ||
|   guint buttonMask = 0;
 | ||
|   switch (aGdkEvent->button) {
 | ||
|     case 1:
 | ||
|       buttonMask = GDK_BUTTON1_MASK;
 | ||
|       break;
 | ||
|     case 2:
 | ||
|       buttonMask = GDK_BUTTON2_MASK;
 | ||
|       break;
 | ||
|     case 3:
 | ||
|       buttonMask = GDK_BUTTON3_MASK;
 | ||
|       break;
 | ||
|   }
 | ||
|   if (aGdkEvent->type == GDK_BUTTON_RELEASE) {
 | ||
|     modifierState &= ~buttonMask;
 | ||
|   } else {
 | ||
|     modifierState |= buttonMask;
 | ||
|   }
 | ||
| 
 | ||
|   KeymapWrapper::InitInputEvent(aEvent, modifierState);
 | ||
| 
 | ||
|   aEvent.AssignEventTime(GetWidgetEventTime(aGdkEvent->time));
 | ||
| 
 | ||
|   switch (aGdkEvent->type) {
 | ||
|     case GDK_2BUTTON_PRESS:
 | ||
|       aEvent.mClickCount = 2;
 | ||
|       break;
 | ||
|     case GDK_3BUTTON_PRESS:
 | ||
|       aEvent.mClickCount = 3;
 | ||
|       break;
 | ||
|       // default is one click
 | ||
|     default:
 | ||
|       aEvent.mClickCount = 1;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| static guint ButtonMaskFromGDKButton(guint button) {
 | ||
|   return GDK_BUTTON1_MASK << (button - 1);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchContextMenuEventFromMouseEvent(uint16_t domButton,
 | ||
|                                                       GdkEventButton* aEvent) {
 | ||
|   if (domButton == MouseButton::eSecondary && MOZ_LIKELY(!mIsDestroyed)) {
 | ||
|     WidgetMouseEvent contextMenuEvent(true, eContextMenu, this,
 | ||
|                                       WidgetMouseEvent::eReal);
 | ||
|     InitButtonEvent(contextMenuEvent, aEvent);
 | ||
|     contextMenuEvent.mPressure = mLastMotionPressure;
 | ||
|     DispatchInputEvent(&contextMenuEvent);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnButtonPressEvent(GdkEventButton* aEvent) {
 | ||
|   LOG(("Button %u press on %p\n", aEvent->button, (void*)this));
 | ||
| 
 | ||
|   // If you double click in GDK, it will actually generate a second
 | ||
|   // GDK_BUTTON_PRESS before sending the GDK_2BUTTON_PRESS, and this is
 | ||
|   // different than the DOM spec.  GDK puts this in the queue
 | ||
|   // programatically, so it's safe to assume that if there's a
 | ||
|   // double click in the queue, it was generated so we can just drop
 | ||
|   // this click.
 | ||
|   GdkEvent* peekedEvent = gdk_event_peek();
 | ||
|   if (peekedEvent) {
 | ||
|     GdkEventType type = peekedEvent->any.type;
 | ||
|     gdk_event_free(peekedEvent);
 | ||
|     if (type == GDK_2BUTTON_PRESS || type == GDK_3BUTTON_PRESS) return;
 | ||
|   }
 | ||
| 
 | ||
|   nsWindow* containerWindow = GetContainerWindow();
 | ||
|   if (!gFocusWindow && containerWindow) {
 | ||
|     containerWindow->DispatchActivateEvent();
 | ||
|   }
 | ||
| 
 | ||
|   // check to see if we should rollup
 | ||
|   if (CheckForRollup(aEvent->x_root, aEvent->y_root, false, false)) return;
 | ||
| 
 | ||
|   // Check to see if the event is within our window's resize region
 | ||
|   GdkWindowEdge edge;
 | ||
|   if (CheckResizerEdge(GetRefPoint(this, aEvent), edge)) {
 | ||
|     gdk_window_begin_resize_drag(gtk_widget_get_window(mShell), edge,
 | ||
|                                  aEvent->button, aEvent->x_root, aEvent->y_root,
 | ||
|                                  aEvent->time);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   gdouble pressure = 0;
 | ||
|   gdk_event_get_axis((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
 | ||
|   mLastMotionPressure = pressure;
 | ||
| 
 | ||
|   uint16_t domButton;
 | ||
|   switch (aEvent->button) {
 | ||
|     case 1:
 | ||
|       domButton = MouseButton::ePrimary;
 | ||
|       break;
 | ||
|     case 2:
 | ||
|       domButton = MouseButton::eMiddle;
 | ||
|       break;
 | ||
|     case 3:
 | ||
|       domButton = MouseButton::eSecondary;
 | ||
|       break;
 | ||
|     // These are mapped to horizontal scroll
 | ||
|     case 6:
 | ||
|     case 7:
 | ||
|       NS_WARNING("We're not supporting legacy horizontal scroll event");
 | ||
|       return;
 | ||
|     // Map buttons 8-9 to back/forward
 | ||
|     case 8:
 | ||
|       if (!Preferences::GetBool("mousebutton.4th.enabled", true)) {
 | ||
|         return;
 | ||
|       }
 | ||
|       DispatchCommandEvent(nsGkAtoms::Back);
 | ||
|       return;
 | ||
|     case 9:
 | ||
|       if (!Preferences::GetBool("mousebutton.5th.enabled", true)) {
 | ||
|         return;
 | ||
|       }
 | ||
|       DispatchCommandEvent(nsGkAtoms::Forward);
 | ||
|       return;
 | ||
|     default:
 | ||
|       return;
 | ||
|   }
 | ||
| 
 | ||
|   gButtonState |= ButtonMaskFromGDKButton(aEvent->button);
 | ||
| 
 | ||
|   WidgetMouseEvent event(true, eMouseDown, this, WidgetMouseEvent::eReal);
 | ||
|   event.mButton = domButton;
 | ||
|   InitButtonEvent(event, aEvent);
 | ||
|   event.mPressure = mLastMotionPressure;
 | ||
| 
 | ||
|   nsEventStatus eventStatus = DispatchInputEvent(&event);
 | ||
| 
 | ||
|   LayoutDeviceIntPoint refPoint =
 | ||
|       GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
 | ||
|   if (mDraggableRegion.Contains(refPoint.x, refPoint.y) &&
 | ||
|       domButton == MouseButton::ePrimary &&
 | ||
|       eventStatus != nsEventStatus_eConsumeNoDefault) {
 | ||
|     mWindowShouldStartDragging = true;
 | ||
|   }
 | ||
| 
 | ||
|   // right menu click on linux should also pop up a context menu
 | ||
|   if (!StaticPrefs::ui_context_menus_after_mouseup()) {
 | ||
|     DispatchContextMenuEventFromMouseEvent(domButton, aEvent);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnButtonReleaseEvent(GdkEventButton* aEvent) {
 | ||
|   LOG(("Button %u release on %p\n", aEvent->button, (void*)this));
 | ||
| 
 | ||
|   if (mWindowShouldStartDragging) {
 | ||
|     mWindowShouldStartDragging = false;
 | ||
|   }
 | ||
| 
 | ||
|   uint16_t domButton;
 | ||
|   switch (aEvent->button) {
 | ||
|     case 1:
 | ||
|       domButton = MouseButton::ePrimary;
 | ||
|       break;
 | ||
|     case 2:
 | ||
|       domButton = MouseButton::eMiddle;
 | ||
|       break;
 | ||
|     case 3:
 | ||
|       domButton = MouseButton::eSecondary;
 | ||
|       break;
 | ||
|     default:
 | ||
|       return;
 | ||
|   }
 | ||
| 
 | ||
|   gButtonState &= ~ButtonMaskFromGDKButton(aEvent->button);
 | ||
| 
 | ||
|   WidgetMouseEvent event(true, eMouseUp, this, WidgetMouseEvent::eReal);
 | ||
|   event.mButton = domButton;
 | ||
|   InitButtonEvent(event, aEvent);
 | ||
|   gdouble pressure = 0;
 | ||
|   gdk_event_get_axis((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
 | ||
|   event.mPressure = pressure ? pressure : mLastMotionPressure;
 | ||
| 
 | ||
|   // The mRefPoint is manipulated in DispatchInputEvent, we're saving it
 | ||
|   // to use it for the doubleclick position check.
 | ||
|   LayoutDeviceIntPoint pos = event.mRefPoint;
 | ||
| 
 | ||
|   nsEventStatus eventStatus = DispatchInputEvent(&event);
 | ||
| 
 | ||
|   bool defaultPrevented = (eventStatus == nsEventStatus_eConsumeNoDefault);
 | ||
|   // Check if mouse position in titlebar and doubleclick happened to
 | ||
|   // trigger restore/maximize.
 | ||
|   if (!defaultPrevented && mDrawInTitlebar &&
 | ||
|       event.mButton == MouseButton::ePrimary && event.mClickCount == 2 &&
 | ||
|       mDraggableRegion.Contains(pos.x, pos.y)) {
 | ||
|     if (mSizeState == nsSizeMode_Maximized) {
 | ||
|       SetSizeMode(nsSizeMode_Normal);
 | ||
|     } else {
 | ||
|       SetSizeMode(nsSizeMode_Maximized);
 | ||
|     }
 | ||
|   }
 | ||
|   mLastMotionPressure = pressure;
 | ||
| 
 | ||
|   // right menu click on linux should also pop up a context menu
 | ||
|   if (StaticPrefs::ui_context_menus_after_mouseup()) {
 | ||
|     DispatchContextMenuEventFromMouseEvent(domButton, aEvent);
 | ||
|   }
 | ||
| 
 | ||
|   // Open window manager menu on PIP window to allow user
 | ||
|   // to place it on top / all workspaces.
 | ||
|   if (mIsPIPWindow && aEvent->button == 3) {
 | ||
|     static auto sGdkWindowShowWindowMenu =
 | ||
|         (gboolean(*)(GdkWindow * window, GdkEvent*))
 | ||
|             dlsym(RTLD_DEFAULT, "gdk_window_show_window_menu");
 | ||
|     if (sGdkWindowShowWindowMenu) {
 | ||
|       sGdkWindowShowWindowMenu(mGdkWindow, (GdkEvent*)aEvent);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnContainerFocusInEvent(GdkEventFocus* aEvent) {
 | ||
|   LOGFOCUS(("OnContainerFocusInEvent [%p]\n", (void*)this));
 | ||
| 
 | ||
|   // Unset the urgency hint, if possible
 | ||
|   GtkWidget* top_window = GetToplevelWidget();
 | ||
|   if (top_window && (gtk_widget_get_visible(top_window)))
 | ||
|     SetUrgencyHint(top_window, false);
 | ||
| 
 | ||
|   // Return if being called within SetFocus because the focus manager
 | ||
|   // already knows that the window is active.
 | ||
|   if (gBlockActivateEvent) {
 | ||
|     LOGFOCUS(("activated notification is blocked [%p]\n", (void*)this));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // If keyboard input will be accepted, the focus manager will call
 | ||
|   // SetFocus to set the correct window.
 | ||
|   gFocusWindow = nullptr;
 | ||
| 
 | ||
|   DispatchActivateEvent();
 | ||
| 
 | ||
|   if (!gFocusWindow) {
 | ||
|     // We don't really have a window for dispatching key events, but
 | ||
|     // setting a non-nullptr value here prevents OnButtonPressEvent() from
 | ||
|     // dispatching an activation notification if the widget is already
 | ||
|     // active.
 | ||
|     gFocusWindow = this;
 | ||
|   }
 | ||
| 
 | ||
|   LOGFOCUS(("Events sent from focus in event [%p]\n", (void*)this));
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnContainerFocusOutEvent(GdkEventFocus* aEvent) {
 | ||
|   LOGFOCUS(("OnContainerFocusOutEvent [%p]\n", (void*)this));
 | ||
| 
 | ||
|   if (mWindowType == eWindowType_toplevel ||
 | ||
|       mWindowType == eWindowType_dialog) {
 | ||
|     nsCOMPtr<nsIDragService> dragService = do_GetService(kCDragServiceCID);
 | ||
|     nsCOMPtr<nsIDragSession> dragSession;
 | ||
|     dragService->GetCurrentSession(getter_AddRefs(dragSession));
 | ||
| 
 | ||
|     // Rollup popups when a window is focused out unless a drag is occurring.
 | ||
|     // This check is because drags grab the keyboard and cause a focus out on
 | ||
|     // versions of GTK before 2.18.
 | ||
|     bool shouldRollup = !dragSession;
 | ||
|     if (!shouldRollup) {
 | ||
|       // we also roll up when a drag is from a different application
 | ||
|       nsCOMPtr<nsINode> sourceNode;
 | ||
|       dragSession->GetSourceNode(getter_AddRefs(sourceNode));
 | ||
|       shouldRollup = (sourceNode == nullptr);
 | ||
|     }
 | ||
| 
 | ||
|     if (shouldRollup) {
 | ||
|       CheckForRollup(0, 0, false, true);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (gFocusWindow) {
 | ||
|     RefPtr<nsWindow> kungFuDeathGrip = gFocusWindow;
 | ||
|     if (gFocusWindow->mIMContext) {
 | ||
|       gFocusWindow->mIMContext->OnBlurWindow(gFocusWindow);
 | ||
|     }
 | ||
|     gFocusWindow = nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   DispatchDeactivateEvent();
 | ||
| 
 | ||
|   if (IsChromeWindowTitlebar()) {
 | ||
|     // DispatchDeactivateEvent() ultimately results in a call to
 | ||
|     // BrowsingContext::SetIsActiveBrowserWindow(), which resets
 | ||
|     // the state.  We call UpdateMozWindowActive() to keep it in
 | ||
|     // sync with GDK_WINDOW_STATE_FOCUSED.
 | ||
|     UpdateMozWindowActive();
 | ||
|   }
 | ||
| 
 | ||
|   LOGFOCUS(("Done with container focus out [%p]\n", (void*)this));
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::DispatchCommandEvent(nsAtom* aCommand) {
 | ||
|   nsEventStatus status;
 | ||
|   WidgetCommandEvent appCommandEvent(true, aCommand, this);
 | ||
|   DispatchEvent(&appCommandEvent, status);
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::DispatchContentCommandEvent(EventMessage aMsg) {
 | ||
|   nsEventStatus status;
 | ||
|   WidgetContentCommandEvent event(true, aMsg, this);
 | ||
|   DispatchEvent(&event, status);
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| WidgetEventTime nsWindow::GetWidgetEventTime(guint32 aEventTime) {
 | ||
|   return WidgetEventTime(aEventTime, GetEventTimeStamp(aEventTime));
 | ||
| }
 | ||
| 
 | ||
| TimeStamp nsWindow::GetEventTimeStamp(guint32 aEventTime) {
 | ||
|   if (MOZ_UNLIKELY(!mGdkWindow)) {
 | ||
|     // nsWindow has been Destroy()ed.
 | ||
|     return TimeStamp::Now();
 | ||
|   }
 | ||
|   if (aEventTime == 0) {
 | ||
|     // Some X11 and GDK events may be received with a time of 0 to indicate
 | ||
|     // that they are synthetic events. Some input method editors do this.
 | ||
|     // In this case too, just return the current timestamp.
 | ||
|     return TimeStamp::Now();
 | ||
|   }
 | ||
| 
 | ||
|   TimeStamp eventTimeStamp;
 | ||
| 
 | ||
|   if (!mIsX11Display) {
 | ||
|     // Wayland compositors use monotonic time to set timestamps.
 | ||
|     int64_t timestampTime = g_get_monotonic_time() / 1000;
 | ||
|     guint32 refTimeTruncated = guint32(timestampTime);
 | ||
| 
 | ||
|     timestampTime -= refTimeTruncated - aEventTime;
 | ||
|     int64_t tick =
 | ||
|         BaseTimeDurationPlatformUtils::TicksFromMilliseconds(timestampTime);
 | ||
|     eventTimeStamp = TimeStamp::FromSystemTime(tick);
 | ||
|   } else {
 | ||
|     CurrentX11TimeGetter* getCurrentTime = GetCurrentTimeGetter();
 | ||
|     MOZ_ASSERT(getCurrentTime,
 | ||
|                "Null current time getter despite having a window");
 | ||
|     eventTimeStamp =
 | ||
|         TimeConverter().GetTimeStampFromSystemTime(aEventTime, *getCurrentTime);
 | ||
|   }
 | ||
|   return eventTimeStamp;
 | ||
| }
 | ||
| 
 | ||
| mozilla::CurrentX11TimeGetter* nsWindow::GetCurrentTimeGetter() {
 | ||
|   MOZ_ASSERT(mGdkWindow, "Expected mGdkWindow to be set");
 | ||
|   if (MOZ_UNLIKELY(!mCurrentTimeGetter)) {
 | ||
|     mCurrentTimeGetter = MakeUnique<CurrentX11TimeGetter>(mGdkWindow);
 | ||
|   }
 | ||
|   return mCurrentTimeGetter.get();
 | ||
| }
 | ||
| 
 | ||
| gboolean nsWindow::OnKeyPressEvent(GdkEventKey* aEvent) {
 | ||
|   LOGFOCUS(("OnKeyPressEvent [%p]\n", (void*)this));
 | ||
| 
 | ||
|   RefPtr<nsWindow> self(this);
 | ||
|   KeymapWrapper::HandleKeyPressEvent(self, aEvent);
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| gboolean nsWindow::OnKeyReleaseEvent(GdkEventKey* aEvent) {
 | ||
|   LOGFOCUS(("OnKeyReleaseEvent [%p]\n", (void*)this));
 | ||
| 
 | ||
|   RefPtr<nsWindow> self(this);
 | ||
|   if (NS_WARN_IF(!KeymapWrapper::HandleKeyReleaseEvent(self, aEvent))) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnScrollEvent(GdkEventScroll* aEvent) {
 | ||
|   // check to see if we should rollup
 | ||
|   if (CheckForRollup(aEvent->x_root, aEvent->y_root, true, false)) return;
 | ||
|   // check for duplicate legacy scroll event, see GNOME bug 726878
 | ||
|   if (aEvent->direction != GDK_SCROLL_SMOOTH &&
 | ||
|       mLastScrollEventTime == aEvent->time) {
 | ||
|     LOG(("[%d] duplicate legacy scroll event %d\n", aEvent->time,
 | ||
|          aEvent->direction));
 | ||
|     return;
 | ||
|   }
 | ||
|   WidgetWheelEvent wheelEvent(true, eWheel, this);
 | ||
|   wheelEvent.mDeltaMode = dom::WheelEvent_Binding::DOM_DELTA_LINE;
 | ||
|   switch (aEvent->direction) {
 | ||
|     case GDK_SCROLL_SMOOTH: {
 | ||
|       // As of GTK 3.4, all directional scroll events are provided by
 | ||
|       // the GDK_SCROLL_SMOOTH direction on XInput2 and Wayland devices.
 | ||
|       mLastScrollEventTime = aEvent->time;
 | ||
| 
 | ||
|       // Special handling for touchpads to support flings
 | ||
|       // (also known as kinetic/inertial/momentum scrolling)
 | ||
|       GdkDevice* device = gdk_event_get_source_device((GdkEvent*)aEvent);
 | ||
|       GdkInputSource source = gdk_device_get_source(device);
 | ||
|       if (source == GDK_SOURCE_TOUCHSCREEN || source == GDK_SOURCE_TOUCHPAD) {
 | ||
|         if (StaticPrefs::apz_gtk_kinetic_scroll_enabled() &&
 | ||
|             gtk_check_version(3, 20, 0) == nullptr) {
 | ||
|           static auto sGdkEventIsScrollStopEvent =
 | ||
|               (gboolean(*)(const GdkEvent*))dlsym(
 | ||
|                   RTLD_DEFAULT, "gdk_event_is_scroll_stop_event");
 | ||
| 
 | ||
|           LOG(("[%d] pan smooth event dx=%f dy=%f inprogress=%d\n",
 | ||
|                aEvent->time, aEvent->delta_x, aEvent->delta_y, mPanInProgress));
 | ||
|           PanGestureInput::PanGestureType eventType =
 | ||
|               PanGestureInput::PANGESTURE_PAN;
 | ||
|           if (sGdkEventIsScrollStopEvent((GdkEvent*)aEvent)) {
 | ||
|             eventType = PanGestureInput::PANGESTURE_END;
 | ||
|             mPanInProgress = false;
 | ||
|           } else if (!mPanInProgress) {
 | ||
|             eventType = PanGestureInput::PANGESTURE_START;
 | ||
|             mPanInProgress = true;
 | ||
|           }
 | ||
| 
 | ||
|           LayoutDeviceIntPoint touchPoint = GetRefPoint(this, aEvent);
 | ||
|           PanGestureInput panEvent(
 | ||
|               eventType, aEvent->time, GetEventTimeStamp(aEvent->time),
 | ||
|               ScreenPoint(touchPoint.x, touchPoint.y),
 | ||
|               ScreenPoint(aEvent->delta_x, aEvent->delta_y),
 | ||
|               KeymapWrapper::ComputeKeyModifiers(aEvent->state));
 | ||
|           panEvent.mDeltaType = PanGestureInput::PANDELTA_PAGE;
 | ||
|           panEvent.mSimulateMomentum = true;
 | ||
| 
 | ||
|           DispatchPanGestureInput(panEvent);
 | ||
| 
 | ||
|           return;
 | ||
|         }
 | ||
| 
 | ||
|         // Older GTK doesn't support stop events, so we can't support fling
 | ||
|         wheelEvent.mScrollType = WidgetWheelEvent::SCROLL_ASYNCHRONOUSELY;
 | ||
|       }
 | ||
| 
 | ||
|       // TODO - use a more appropriate scrolling unit than lines.
 | ||
|       // Multiply event deltas by 3 to emulate legacy behaviour.
 | ||
|       wheelEvent.mDeltaX = aEvent->delta_x * 3;
 | ||
|       wheelEvent.mDeltaY = aEvent->delta_y * 3;
 | ||
|       wheelEvent.mIsNoLineOrPageDelta = true;
 | ||
| 
 | ||
|       break;
 | ||
|     }
 | ||
|     case GDK_SCROLL_UP:
 | ||
|       wheelEvent.mDeltaY = wheelEvent.mLineOrPageDeltaY = -3;
 | ||
|       break;
 | ||
|     case GDK_SCROLL_DOWN:
 | ||
|       wheelEvent.mDeltaY = wheelEvent.mLineOrPageDeltaY = 3;
 | ||
|       break;
 | ||
|     case GDK_SCROLL_LEFT:
 | ||
|       wheelEvent.mDeltaX = wheelEvent.mLineOrPageDeltaX = -1;
 | ||
|       break;
 | ||
|     case GDK_SCROLL_RIGHT:
 | ||
|       wheelEvent.mDeltaX = wheelEvent.mLineOrPageDeltaX = 1;
 | ||
|       break;
 | ||
|   }
 | ||
| 
 | ||
|   wheelEvent.mRefPoint = GetRefPoint(this, aEvent);
 | ||
| 
 | ||
|   KeymapWrapper::InitInputEvent(wheelEvent, aEvent->state);
 | ||
| 
 | ||
|   wheelEvent.AssignEventTime(GetWidgetEventTime(aEvent->time));
 | ||
| 
 | ||
|   DispatchInputEvent(&wheelEvent);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnWindowStateEvent(GtkWidget* aWidget,
 | ||
|                                   GdkEventWindowState* aEvent) {
 | ||
|   LOG(
 | ||
|       ("nsWindow::OnWindowStateEvent [%p] for %p changed 0x%x new_window_state "
 | ||
|        "0x%x\n",
 | ||
|        (void*)this, aWidget, aEvent->changed_mask, aEvent->new_window_state));
 | ||
| 
 | ||
|   if (IS_MOZ_CONTAINER(aWidget)) {
 | ||
|     // This event is notifying the container widget of changes to the
 | ||
|     // toplevel window.  Just detect changes affecting whether windows are
 | ||
|     // viewable.
 | ||
|     //
 | ||
|     // (A visibility notify event is sent to each window that becomes
 | ||
|     // viewable when the toplevel is mapped, but we can't rely on that for
 | ||
|     // setting mHasMappedToplevel because these toplevel window state
 | ||
|     // events are asynchronous.  The windows in the hierarchy now may not
 | ||
|     // be the same windows as when the toplevel was mapped, so they may
 | ||
|     // not get VisibilityNotify events.)
 | ||
|     bool mapped = !(aEvent->new_window_state &
 | ||
|                     (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_WITHDRAWN));
 | ||
|     if (mHasMappedToplevel != mapped) {
 | ||
|       SetHasMappedToplevel(mapped);
 | ||
|     }
 | ||
|     LOG(("\tquick return because IS_MOZ_CONTAINER(aWidget) is true\n"));
 | ||
|     return;
 | ||
|   }
 | ||
|   // else the widget is a shell widget.
 | ||
| 
 | ||
|   // The block below is a bit evil.
 | ||
|   //
 | ||
|   // When a window is resized before it is shown, gtk_window_resize() delays
 | ||
|   // resizes until the window is shown.  If gtk_window_state_event() sees a
 | ||
|   // GDK_WINDOW_STATE_MAXIMIZED change [1] before the window is shown, then
 | ||
|   // gtk_window_compute_configure_request_size() ignores the values from the
 | ||
|   // resize [2].  See bug 1449166 for an example of how this could happen.
 | ||
|   //
 | ||
|   // [1] https://gitlab.gnome.org/GNOME/gtk/blob/3.22.30/gtk/gtkwindow.c#L7967
 | ||
|   // [2] https://gitlab.gnome.org/GNOME/gtk/blob/3.22.30/gtk/gtkwindow.c#L9377
 | ||
|   //
 | ||
|   // In order to provide a sensible size for the window when the user exits
 | ||
|   // maximized state, we hide the GDK_WINDOW_STATE_MAXIMIZED change from
 | ||
|   // gtk_window_state_event() so as to trick GTK into using the values from
 | ||
|   // gtk_window_resize() in its configure request.
 | ||
|   //
 | ||
|   // We instead notify gtk_window_state_event() of the maximized state change
 | ||
|   // once the window is shown.
 | ||
|   //
 | ||
|   // See https://gitlab.gnome.org/GNOME/gtk/issues/1044
 | ||
|   //
 | ||
|   // This may be fixed in Gtk 3.24+ but some DE still have this issue
 | ||
|   // (Bug 1624199) so let's remove it for Wayland only.
 | ||
|   if (mIsX11Display) {
 | ||
|     if (!mIsShown) {
 | ||
|       aEvent->changed_mask = static_cast<GdkWindowState>(
 | ||
|           aEvent->changed_mask & ~GDK_WINDOW_STATE_MAXIMIZED);
 | ||
|     } else if (aEvent->changed_mask & GDK_WINDOW_STATE_WITHDRAWN &&
 | ||
|                aEvent->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) {
 | ||
|       aEvent->changed_mask = static_cast<GdkWindowState>(
 | ||
|           aEvent->changed_mask | GDK_WINDOW_STATE_MAXIMIZED);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // This is a workaround for https://gitlab.gnome.org/GNOME/gtk/issues/1395
 | ||
|   // Gtk+ controls window active appearance by window-state-event signal.
 | ||
|   if (IsChromeWindowTitlebar() &&
 | ||
|       (aEvent->changed_mask & GDK_WINDOW_STATE_FOCUSED)) {
 | ||
|     // Emulate what Gtk+ does at gtk_window_state_event().
 | ||
|     // We can't check GTK_STATE_FLAG_BACKDROP directly as it's set by Gtk+
 | ||
|     // *after* this window-state-event handler.
 | ||
|     mTitlebarBackdropState =
 | ||
|         !(aEvent->new_window_state & GDK_WINDOW_STATE_FOCUSED);
 | ||
| 
 | ||
|     // keep IsActiveBrowserWindow in sync with GDK_WINDOW_STATE_FOCUSED
 | ||
|     UpdateMozWindowActive();
 | ||
| 
 | ||
|     ForceTitlebarRedraw();
 | ||
|   }
 | ||
| 
 | ||
|   // We don't care about anything but changes in the maximized/icon/fullscreen
 | ||
|   // states but we need a workaround for bug in Wayland:
 | ||
|   // https://gitlab.gnome.org/GNOME/gtk/issues/67
 | ||
|   // Under wayland the gtk_window_iconify implementation does NOT synthetize
 | ||
|   // window_state_event where the GDK_WINDOW_STATE_ICONIFIED is set.
 | ||
|   // During restore we  won't get aEvent->changed_mask with
 | ||
|   // the GDK_WINDOW_STATE_ICONIFIED so to detect that change we use the stored
 | ||
|   // mSizeState and obtaining a focus.
 | ||
|   bool waylandWasIconified =
 | ||
|       (!mIsX11Display && aEvent->changed_mask & GDK_WINDOW_STATE_FOCUSED &&
 | ||
|        aEvent->new_window_state & GDK_WINDOW_STATE_FOCUSED &&
 | ||
|        mSizeState == nsSizeMode_Minimized);
 | ||
|   if (!waylandWasIconified &&
 | ||
|       (aEvent->changed_mask &
 | ||
|        (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED |
 | ||
|         GDK_WINDOW_STATE_TILED | GDK_WINDOW_STATE_FULLSCREEN)) == 0) {
 | ||
|     LOG(("\tearly return because no interesting bits changed\n"));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (aEvent->new_window_state & GDK_WINDOW_STATE_ICONIFIED) {
 | ||
|     LOG(("\tIconified\n"));
 | ||
|     mSizeState = nsSizeMode_Minimized;
 | ||
| #ifdef ACCESSIBILITY
 | ||
|     DispatchMinimizeEventAccessible();
 | ||
| #endif  // ACCESSIBILITY
 | ||
|   } else if (aEvent->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) {
 | ||
|     LOG(("\tFullscreen\n"));
 | ||
|     mSizeState = nsSizeMode_Fullscreen;
 | ||
|   } else if (aEvent->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) {
 | ||
|     LOG(("\tMaximized\n"));
 | ||
|     mSizeState = nsSizeMode_Maximized;
 | ||
| #ifdef ACCESSIBILITY
 | ||
|     DispatchMaximizeEventAccessible();
 | ||
| #endif  // ACCESSIBILITY
 | ||
|   } else {
 | ||
|     LOG(("\tNormal\n"));
 | ||
|     mSizeState = nsSizeMode_Normal;
 | ||
| #ifdef ACCESSIBILITY
 | ||
|     DispatchRestoreEventAccessible();
 | ||
| #endif  // ACCESSIBILITY
 | ||
|   }
 | ||
| 
 | ||
|   if (aEvent->new_window_state & GDK_WINDOW_STATE_TILED) {
 | ||
|     LOG(("\tTiled\n"));
 | ||
|     mIsTiled = true;
 | ||
|   } else {
 | ||
|     LOG(("\tNot tiled\n"));
 | ||
|     mIsTiled = false;
 | ||
|   }
 | ||
| 
 | ||
|   if (mWidgetListener) {
 | ||
|     mWidgetListener->SizeModeChanged(mSizeState);
 | ||
|     if (aEvent->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
 | ||
|       mWidgetListener->FullscreenChanged(aEvent->new_window_state &
 | ||
|                                          GDK_WINDOW_STATE_FULLSCREEN);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (mDrawInTitlebar && mTransparencyBitmapForTitlebar) {
 | ||
|     if (mSizeState == nsSizeMode_Normal && !mIsTiled) {
 | ||
|       UpdateTitlebarTransparencyBitmap();
 | ||
|     } else {
 | ||
|       ClearTransparencyBitmap();
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ThemeChanged() {
 | ||
|   // Everything could've changed.
 | ||
|   NotifyThemeChanged(ThemeChangeKind::StyleAndLayout);
 | ||
| 
 | ||
|   if (!mGdkWindow || MOZ_UNLIKELY(mIsDestroyed)) return;
 | ||
| 
 | ||
|   // Dispatch theme change notification to all child windows
 | ||
|   GList* children = gdk_window_peek_children(mGdkWindow);
 | ||
|   while (children) {
 | ||
|     GdkWindow* gdkWin = GDK_WINDOW(children->data);
 | ||
| 
 | ||
|     auto* win = (nsWindow*)g_object_get_data(G_OBJECT(gdkWin), "nsWindow");
 | ||
| 
 | ||
|     if (win && win != this) {  // guard against infinite recursion
 | ||
|       RefPtr<nsWindow> kungFuDeathGrip = win;
 | ||
|       win->ThemeChanged();
 | ||
|     }
 | ||
| 
 | ||
|     children = children->next;
 | ||
|   }
 | ||
| 
 | ||
|   IMContextWrapper::OnThemeChanged();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnDPIChanged() {
 | ||
|   if (mWidgetListener) {
 | ||
|     if (PresShell* presShell = mWidgetListener->GetPresShell()) {
 | ||
|       presShell->BackingScaleFactorChanged();
 | ||
|       // Update menu's font size etc.
 | ||
|       // This affects style / layout because it affects system font sizes.
 | ||
|       presShell->ThemeChanged(ThemeChangeKind::StyleAndLayout);
 | ||
|     }
 | ||
|     mWidgetListener->UIResolutionChanged();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnCheckResize() { mPendingConfigures++; }
 | ||
| 
 | ||
| void nsWindow::OnCompositedChanged() {
 | ||
|   // Update CSD after the change in alpha visibility. This only affects
 | ||
|   // system metrics, not other theme shenanigans.
 | ||
|   NotifyThemeChanged(ThemeChangeKind::MediaQueriesOnly);
 | ||
|   mCompositedScreen = gdk_screen_is_composited(gdk_screen_get_default());
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnScaleChanged(GtkAllocation* aAllocation) {
 | ||
|   LOG(("nsWindow::OnScaleChanged [%p] %d,%d -> %d x %d\n", (void*)this,
 | ||
|        aAllocation->x, aAllocation->y, aAllocation->width,
 | ||
|        aAllocation->height));
 | ||
| 
 | ||
|   // Force scale factor recalculation
 | ||
|   mWindowScaleFactorChanged = true;
 | ||
| 
 | ||
|   // This eventually propagate new scale to the PuppetWidgets
 | ||
|   OnDPIChanged();
 | ||
| 
 | ||
|   // configure_event is already fired before scale-factor signal,
 | ||
|   // but size-allocate isn't fired by changing scale
 | ||
|   OnSizeAllocate(aAllocation);
 | ||
| 
 | ||
|   // Client offset are updated by _NET_FRAME_EXTENTS on X11 when system titlebar
 | ||
|   // is enabled. In ither cases (Wayland or system titlebar is off on X11)
 | ||
|   // we don't get _NET_FRAME_EXTENTS X11 property notification so we derive
 | ||
|   // it from mContainer position.
 | ||
|   if (mGtkWindowDecoration == GTK_DECORATION_CLIENT) {
 | ||
|     if (!mIsX11Display || (mIsX11Display && mDrawInTitlebar)) {
 | ||
|       UpdateClientOffsetFromCSDWindow();
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   // We need to update scale when scale of egl window is changed.
 | ||
|   if (mContainer && moz_container_wayland_has_egl_window(mContainer)) {
 | ||
|     moz_container_wayland_set_scale_factor(mContainer);
 | ||
|   }
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchDragEvent(EventMessage aMsg,
 | ||
|                                  const LayoutDeviceIntPoint& aRefPoint,
 | ||
|                                  guint aTime) {
 | ||
|   WidgetDragEvent event(true, aMsg, this);
 | ||
| 
 | ||
|   InitDragEvent(event);
 | ||
| 
 | ||
|   event.mRefPoint = aRefPoint;
 | ||
|   event.AssignEventTime(GetWidgetEventTime(aTime));
 | ||
| 
 | ||
|   DispatchInputEvent(&event);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::OnDragDataReceivedEvent(GtkWidget* aWidget,
 | ||
|                                        GdkDragContext* aDragContext, gint aX,
 | ||
|                                        gint aY,
 | ||
|                                        GtkSelectionData* aSelectionData,
 | ||
|                                        guint aInfo, guint aTime,
 | ||
|                                        gpointer aData) {
 | ||
|   LOGDRAG(("nsWindow::OnDragDataReceived(%p)\n", (void*)this));
 | ||
| 
 | ||
|   RefPtr<nsDragService> dragService = nsDragService::GetInstance();
 | ||
|   dragService->TargetDataReceived(aWidget, aDragContext, aX, aY, aSelectionData,
 | ||
|                                   aInfo, aTime);
 | ||
| }
 | ||
| 
 | ||
| nsWindow* nsWindow::GetTransientForWindowIfPopup() {
 | ||
|   if (mWindowType != eWindowType_popup) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
|   GtkWindow* toplevel = gtk_window_get_transient_for(GTK_WINDOW(mShell));
 | ||
|   if (toplevel) {
 | ||
|     return get_window_for_gtk_widget(GTK_WIDGET(toplevel));
 | ||
|   }
 | ||
|   return nullptr;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::IsHandlingTouchSequence(GdkEventSequence* aSequence) {
 | ||
|   return mHandleTouchEvent && mTouches.Contains(aSequence);
 | ||
| }
 | ||
| 
 | ||
| gboolean nsWindow::OnTouchpadPinchEvent(GdkEventTouchpadPinch* aEvent) {
 | ||
|   if (StaticPrefs::apz_gtk_touchpad_pinch_enabled()) {
 | ||
|     PinchGestureInput::PinchGestureType pinchGestureType =
 | ||
|         PinchGestureInput::PINCHGESTURE_SCALE;
 | ||
|     ScreenCoord CurrentSpan;
 | ||
|     ScreenCoord PreviousSpan;
 | ||
| 
 | ||
|     switch (aEvent->phase) {
 | ||
|       case GDK_TOUCHPAD_GESTURE_PHASE_BEGIN:
 | ||
|         pinchGestureType = PinchGestureInput::PINCHGESTURE_START;
 | ||
|         CurrentSpan = aEvent->scale;
 | ||
| 
 | ||
|         // Assign PreviousSpan --> 0.999 to make mDeltaY field of the
 | ||
|         // WidgetWheelEvent that this PinchGestureInput event will be converted
 | ||
|         // to not equal Zero as our discussion because we observed that the
 | ||
|         // scale of the PHASE_BEGIN event is 1.
 | ||
|         PreviousSpan = 0.999;
 | ||
|         mLastPinchEventSpan = aEvent->scale;
 | ||
|         break;
 | ||
| 
 | ||
|       case GDK_TOUCHPAD_GESTURE_PHASE_UPDATE:
 | ||
|         pinchGestureType = PinchGestureInput::PINCHGESTURE_SCALE;
 | ||
|         if (aEvent->scale == mLastPinchEventSpan) {
 | ||
|           return FALSE;
 | ||
|         }
 | ||
|         CurrentSpan = aEvent->scale;
 | ||
|         PreviousSpan = mLastPinchEventSpan;
 | ||
|         mLastPinchEventSpan = aEvent->scale;
 | ||
|         break;
 | ||
| 
 | ||
|       case GDK_TOUCHPAD_GESTURE_PHASE_END:
 | ||
|         pinchGestureType = PinchGestureInput::PINCHGESTURE_END;
 | ||
|         CurrentSpan = aEvent->scale;
 | ||
|         PreviousSpan = mLastPinchEventSpan;
 | ||
|         break;
 | ||
| 
 | ||
|       default:
 | ||
|         return FALSE;
 | ||
|     }
 | ||
| 
 | ||
|     LayoutDeviceIntPoint touchpadPoint = GetRefPoint(this, aEvent);
 | ||
|     PinchGestureInput event(
 | ||
|         pinchGestureType, PinchGestureInput::TRACKPAD, aEvent->time,
 | ||
|         GetEventTimeStamp(aEvent->time), ExternalPoint(0, 0),
 | ||
|         ScreenPoint(touchpadPoint.x, touchpadPoint.y),
 | ||
|         100.0 * ((aEvent->phase == GDK_TOUCHPAD_GESTURE_PHASE_END)
 | ||
|                      ? ScreenCoord(1.f)
 | ||
|                      : CurrentSpan),
 | ||
|         100.0 * ((aEvent->phase == GDK_TOUCHPAD_GESTURE_PHASE_END)
 | ||
|                      ? ScreenCoord(1.f)
 | ||
|                      : PreviousSpan),
 | ||
|         KeymapWrapper::ComputeKeyModifiers(aEvent->state));
 | ||
| 
 | ||
|     double deltaY = event.ComputeDeltaY(this);
 | ||
|     gfx::IntPoint lineOrPageDelta = PinchGestureInput::GetIntegerDeltaForEvent(
 | ||
|         (aEvent->phase == GDK_TOUCHPAD_GESTURE_PHASE_BEGIN), 0, deltaY);
 | ||
|     event.mLineOrPageDeltaY = lineOrPageDelta.y;
 | ||
|     DispatchPinchGestureInput(event);
 | ||
|   }
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| gboolean nsWindow::OnTouchEvent(GdkEventTouch* aEvent) {
 | ||
|   if (!mHandleTouchEvent) {
 | ||
|     // If a popup window was spawned (e.g. as the result of a long-press)
 | ||
|     // and touch events got diverted to that window within a touch sequence,
 | ||
|     // ensure the touch event gets sent to the original window instead. We
 | ||
|     // keep the checks here very conservative so that we only redirect
 | ||
|     // events in this specific scenario.
 | ||
|     nsWindow* targetWindow = GetTransientForWindowIfPopup();
 | ||
|     if (targetWindow &&
 | ||
|         targetWindow->IsHandlingTouchSequence(aEvent->sequence)) {
 | ||
|       return targetWindow->OnTouchEvent(aEvent);
 | ||
|     }
 | ||
| 
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   EventMessage msg;
 | ||
|   switch (aEvent->type) {
 | ||
|     case GDK_TOUCH_BEGIN:
 | ||
|       msg = eTouchStart;
 | ||
|       break;
 | ||
|     case GDK_TOUCH_UPDATE:
 | ||
|       msg = eTouchMove;
 | ||
|       break;
 | ||
|     case GDK_TOUCH_END:
 | ||
|       msg = eTouchEnd;
 | ||
|       break;
 | ||
|     case GDK_TOUCH_CANCEL:
 | ||
|       msg = eTouchCancel;
 | ||
|       break;
 | ||
|     default:
 | ||
|       return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   LayoutDeviceIntPoint touchPoint = GetRefPoint(this, aEvent);
 | ||
| 
 | ||
|   int32_t id;
 | ||
|   RefPtr<dom::Touch> touch;
 | ||
|   if (mTouches.Remove(aEvent->sequence, getter_AddRefs(touch))) {
 | ||
|     id = touch->mIdentifier;
 | ||
|   } else {
 | ||
|     id = ++gLastTouchID & 0x7FFFFFFF;
 | ||
|   }
 | ||
| 
 | ||
|   touch =
 | ||
|       new dom::Touch(id, touchPoint, LayoutDeviceIntPoint(1, 1), 0.0f, 0.0f);
 | ||
| 
 | ||
|   WidgetTouchEvent event(true, msg, this);
 | ||
|   KeymapWrapper::InitInputEvent(event, aEvent->state);
 | ||
|   event.mTime = aEvent->time;
 | ||
| 
 | ||
|   if (aEvent->type == GDK_TOUCH_BEGIN || aEvent->type == GDK_TOUCH_UPDATE) {
 | ||
|     mTouches.InsertOrUpdate(aEvent->sequence, std::move(touch));
 | ||
|     // add all touch points to event object
 | ||
|     for (const auto& data : mTouches.Values()) {
 | ||
|       event.mTouches.AppendElement(new dom::Touch(*data));
 | ||
|     }
 | ||
|   } else if (aEvent->type == GDK_TOUCH_END ||
 | ||
|              aEvent->type == GDK_TOUCH_CANCEL) {
 | ||
|     *event.mTouches.AppendElement() = std::move(touch);
 | ||
|   }
 | ||
| 
 | ||
|   DispatchInputEvent(&event);
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| // Return true if toplevel window is transparent.
 | ||
| // It's transparent when we're running on composited screens
 | ||
| // and we can draw main window without system titlebar.
 | ||
| bool nsWindow::IsToplevelWindowTransparent() {
 | ||
|   static bool transparencyConfigured = false;
 | ||
| 
 | ||
|   if (!transparencyConfigured) {
 | ||
|     if (gdk_screen_is_composited(gdk_screen_get_default())) {
 | ||
|       // Some Gtk+ themes use non-rectangular toplevel windows. To fully
 | ||
|       // support such themes we need to make toplevel window transparent
 | ||
|       // with ARGB visual.
 | ||
|       // It may cause performanance issue so make it configurable
 | ||
|       // and enable it by default for selected window managers.
 | ||
|       if (Preferences::HasUserValue("mozilla.widget.use-argb-visuals")) {
 | ||
|         // argb visual is explicitly required so use it
 | ||
|         sTransparentMainWindow =
 | ||
|             Preferences::GetBool("mozilla.widget.use-argb-visuals");
 | ||
|       } else {
 | ||
|         // Enable transparent toplevel window if we can draw main window
 | ||
|         // without system titlebar as Gtk+ themes use titlebar round corners.
 | ||
|         sTransparentMainWindow =
 | ||
|             GetSystemGtkWindowDecoration() != GTK_DECORATION_NONE;
 | ||
|       }
 | ||
|     }
 | ||
|     transparencyConfigured = true;
 | ||
|   }
 | ||
| 
 | ||
|   return sTransparentMainWindow;
 | ||
| }
 | ||
| 
 | ||
| static GdkWindow* CreateGdkWindow(GdkWindow* parent, GtkWidget* widget) {
 | ||
|   GdkWindowAttr attributes;
 | ||
|   gint attributes_mask = GDK_WA_VISUAL;
 | ||
| 
 | ||
|   attributes.event_mask = kEvents;
 | ||
| 
 | ||
|   attributes.width = 1;
 | ||
|   attributes.height = 1;
 | ||
|   attributes.wclass = GDK_INPUT_OUTPUT;
 | ||
|   attributes.visual = gtk_widget_get_visual(widget);
 | ||
|   attributes.window_type = GDK_WINDOW_CHILD;
 | ||
| 
 | ||
|   GdkWindow* window = gdk_window_new(parent, &attributes, attributes_mask);
 | ||
|   gdk_window_set_user_data(window, widget);
 | ||
| 
 | ||
|   return window;
 | ||
| }
 | ||
| 
 | ||
| // Configure GL visual on X11. We add alpha silently
 | ||
| // if we use WebRender to workaround NVIDIA specific Bug 1663273.
 | ||
| bool nsWindow::ConfigureX11GLVisual(bool aUseAlpha) {
 | ||
|   if (!mIsX11Display) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   // If using WebRender on X11, we need to select a visual with a depth
 | ||
|   // buffer, as well as an alpha channel if transparency is requested. This
 | ||
|   // must be done before the widget is realized.
 | ||
|   bool useWebRender = gfx::gfxVars::UseWebRender();
 | ||
|   auto* screen = gtk_widget_get_screen(mShell);
 | ||
|   int visualId = 0;
 | ||
|   bool haveVisual;
 | ||
| 
 | ||
|   // See https://bugzilla.mozilla.org/show_bug.cgi?id=1663003
 | ||
|   // We need to use GLX to get visual even on EGL until
 | ||
|   // EGL can provide compositable visual:
 | ||
|   // https://gitlab.freedesktop.org/mesa/mesa/-/issues/149
 | ||
|   if ((true /* !gfx::gfxVars::UseEGL() */)) {
 | ||
|     auto* display = GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(mShell));
 | ||
|     int screenNumber = GDK_SCREEN_XNUMBER(screen);
 | ||
|     haveVisual = GLContextGLX::FindVisual(display, screenNumber, useWebRender,
 | ||
|                                           aUseAlpha || useWebRender, &visualId);
 | ||
|   } else {
 | ||
|     haveVisual = GLContextEGL::FindVisual(useWebRender,
 | ||
|                                           aUseAlpha || useWebRender, &visualId);
 | ||
|   }
 | ||
| 
 | ||
|   GdkVisual* gdkVisual = nullptr;
 | ||
|   if (haveVisual) {
 | ||
|     // If we're using CSD, rendering will go through mContainer, but
 | ||
|     // it will inherit this visual as it is a child of mShell.
 | ||
|     gdkVisual = gdk_x11_screen_lookup_visual(screen, visualId);
 | ||
|   }
 | ||
|   if (!gdkVisual) {
 | ||
|     NS_WARNING("We're missing X11 Visual!");
 | ||
|     if (aUseAlpha || useWebRender) {
 | ||
|       // We try to use a fallback alpha visual
 | ||
|       GdkScreen* screen = gtk_widget_get_screen(mShell);
 | ||
|       gdkVisual = gdk_screen_get_rgba_visual(screen);
 | ||
|     }
 | ||
|   }
 | ||
|   if (gdkVisual) {
 | ||
|     // TODO: We use alpha visual even on non-compositing screens (Bug 1479135).
 | ||
|     gtk_widget_set_visual(mShell, gdkVisual);
 | ||
|     mHasAlphaVisual = aUseAlpha;
 | ||
|   }
 | ||
| 
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::Create(nsIWidget* aParent, nsNativeWidget aNativeParent,
 | ||
|                           const LayoutDeviceIntRect& aRect,
 | ||
|                           nsWidgetInitData* aInitData) {
 | ||
| #ifdef MOZ_LOGGING
 | ||
|   if (this->GetFrame() && this->GetFrame()->GetContent()) {
 | ||
|     nsCString nodeName =
 | ||
|         NS_ConvertUTF16toUTF8(this->GetFrame()->GetContent()->NodeName());
 | ||
|     LOG(("nsWindow::Create: creating [%p]: nodename %s\n", this,
 | ||
|          nodeName.get()));
 | ||
|   }
 | ||
| #endif
 | ||
|   // only set the base parent if we're going to be a dialog or a
 | ||
|   // toplevel
 | ||
|   nsIWidget* baseParent =
 | ||
|       aInitData && (aInitData->mWindowType == eWindowType_dialog ||
 | ||
|                     aInitData->mWindowType == eWindowType_toplevel ||
 | ||
|                     aInitData->mWindowType == eWindowType_invisible)
 | ||
|           ? nullptr
 | ||
|           : aParent;
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
|   // Send a DBus message to check whether a11y is enabled
 | ||
|   a11y::PreInit();
 | ||
| #endif
 | ||
| 
 | ||
|   // Ensure that the toolkit is created.
 | ||
|   nsGTKToolkit::GetToolkit();
 | ||
| 
 | ||
|   // initialize all the common bits of this class
 | ||
|   BaseCreate(baseParent, aInitData);
 | ||
| 
 | ||
|   // Do we need to listen for resizes?
 | ||
|   bool listenForResizes = false;
 | ||
|   ;
 | ||
|   if (aNativeParent || (aInitData && aInitData->mListenForResizes))
 | ||
|     listenForResizes = true;
 | ||
| 
 | ||
|   // and do our common creation
 | ||
|   CommonCreate(aParent, listenForResizes);
 | ||
| 
 | ||
|   // save our bounds
 | ||
|   mBounds = aRect;
 | ||
|   LOG(("  mBounds: x:%d y:%d w:%d h:%d\n", mBounds.x, mBounds.y, mBounds.width,
 | ||
|        mBounds.height));
 | ||
| 
 | ||
|   mPreferredPopupRectFlushed = false;
 | ||
| 
 | ||
|   ConstrainSize(&mBounds.width, &mBounds.height);
 | ||
| 
 | ||
|   GtkWidget* eventWidget = nullptr;
 | ||
|   bool popupNeedsAlphaVisual = (mWindowType == eWindowType_popup &&
 | ||
|                                 (aInitData && aInitData->mSupportTranslucency));
 | ||
| 
 | ||
|   // Figure out our parent window - only used for eWindowType_child
 | ||
|   GtkWidget* parentMozContainer = nullptr;
 | ||
|   GtkContainer* parentGtkContainer = nullptr;
 | ||
|   GdkWindow* parentGdkWindow = nullptr;
 | ||
|   nsWindow* parentnsWindow = nullptr;
 | ||
| 
 | ||
|   if (aParent) {
 | ||
|     parentnsWindow = static_cast<nsWindow*>(aParent);
 | ||
|     parentGdkWindow = parentnsWindow->mGdkWindow;
 | ||
|   } else if (aNativeParent && GDK_IS_WINDOW(aNativeParent)) {
 | ||
|     parentGdkWindow = GDK_WINDOW(aNativeParent);
 | ||
|     parentnsWindow = get_window_for_gdk_window(parentGdkWindow);
 | ||
|     if (!parentnsWindow) return NS_ERROR_FAILURE;
 | ||
| 
 | ||
|   } else if (aNativeParent && GTK_IS_CONTAINER(aNativeParent)) {
 | ||
|     parentGtkContainer = GTK_CONTAINER(aNativeParent);
 | ||
|   }
 | ||
| 
 | ||
|   if (parentGdkWindow) {
 | ||
|     // get the widget for the window - it should be a moz container
 | ||
|     parentMozContainer = parentnsWindow->GetMozContainerWidget();
 | ||
|     if (!parentMozContainer) return NS_ERROR_FAILURE;
 | ||
|   }
 | ||
|   // ^^ only used for eWindowType_child
 | ||
| 
 | ||
|   if (!mIsX11Display) {
 | ||
|     if (mWindowType == eWindowType_child) {
 | ||
|       // eWindowType_child is not supported on Wayland. Just switch to toplevel
 | ||
|       // as a workaround.
 | ||
|       mWindowType = eWindowType_toplevel;
 | ||
|     } else if (mWindowType == eWindowType_popup && !aNativeParent && !aParent) {
 | ||
|       // Workaround for Wayland where the popup windows always need to have
 | ||
|       // parent window. For example webrtc ui is a popup window without parent.
 | ||
|       mWindowType = eWindowType_toplevel;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   mAlwaysOnTop = aInitData && aInitData->mAlwaysOnTop;
 | ||
|   mIsPIPWindow = aInitData && aInitData->mPIPWindow;
 | ||
| 
 | ||
|   // ok, create our windows
 | ||
|   switch (mWindowType) {
 | ||
|     case eWindowType_dialog:
 | ||
|     case eWindowType_popup:
 | ||
|     case eWindowType_toplevel:
 | ||
|     case eWindowType_invisible: {
 | ||
|       mIsTopLevel = true;
 | ||
| 
 | ||
|       // Popups that are not noautohide are only temporary. The are used
 | ||
|       // for menus and the like and disappear when another window is used.
 | ||
|       // For most popups, use the standard GtkWindowType GTK_WINDOW_POPUP,
 | ||
|       // which will use a Window with the override-redirect attribute
 | ||
|       // (for temporary windows).
 | ||
|       // For long-lived windows, their stacking order is managed by the
 | ||
|       // window manager, as indicated by GTK_WINDOW_TOPLEVEL.
 | ||
|       // For Wayland we have to always use GTK_WINDOW_POPUP to control
 | ||
|       // popup window position.
 | ||
|       GtkWindowType type = GTK_WINDOW_TOPLEVEL;
 | ||
|       if (mWindowType == eWindowType_popup) {
 | ||
|         type = (mIsX11Display && aInitData->mNoAutoHide) ? GTK_WINDOW_TOPLEVEL
 | ||
|                                                          : GTK_WINDOW_POPUP;
 | ||
|       }
 | ||
|       mShell = gtk_window_new(type);
 | ||
| 
 | ||
|       // Ensure gfxPlatform is initialized, since that is what initializes
 | ||
|       // gfxVars, used below.
 | ||
|       Unused << gfxPlatform::GetPlatform();
 | ||
| 
 | ||
|       if (mWindowType == eWindowType_toplevel ||
 | ||
|           mWindowType == eWindowType_dialog) {
 | ||
|         mGtkWindowDecoration = GetSystemGtkWindowDecoration();
 | ||
|       }
 | ||
| 
 | ||
|       // Don't use transparency for PictureInPicture windows.
 | ||
|       bool toplevelNeedsAlphaVisual = false;
 | ||
|       if (mWindowType == eWindowType_toplevel && !mIsPIPWindow) {
 | ||
|         toplevelNeedsAlphaVisual = IsToplevelWindowTransparent();
 | ||
|       }
 | ||
| 
 | ||
|       bool isGLVisualSet = false;
 | ||
|       bool isAccelerated = ComputeShouldAccelerate();
 | ||
| #ifdef MOZ_X11
 | ||
|       if (isAccelerated) {
 | ||
|         isGLVisualSet = ConfigureX11GLVisual(popupNeedsAlphaVisual ||
 | ||
|                                              toplevelNeedsAlphaVisual);
 | ||
|       }
 | ||
| #endif
 | ||
|       if (!isGLVisualSet &&
 | ||
|           (popupNeedsAlphaVisual || toplevelNeedsAlphaVisual)) {
 | ||
|         // We're running on composited screen so we can use alpha visual
 | ||
|         // for both toplevel and popups.
 | ||
|         if (mCompositedScreen) {
 | ||
|           GdkVisual* visual =
 | ||
|               gdk_screen_get_rgba_visual(gtk_widget_get_screen(mShell));
 | ||
|           if (visual) {
 | ||
|             gtk_widget_set_visual(mShell, visual);
 | ||
|             mHasAlphaVisual = true;
 | ||
|           }
 | ||
|         }
 | ||
|       }
 | ||
| 
 | ||
|       // Use X shape mask to draw round corners of Firefox titlebar.
 | ||
|       // We don't use shape masks any more as we switched to ARGB visual
 | ||
|       // by default and non-compositing screens use solid-csd decorations
 | ||
|       // without round corners.
 | ||
|       // Leave the shape mask code here as it can be used to draw round
 | ||
|       // corners on EGL (https://gitlab.freedesktop.org/mesa/mesa/-/issues/149)
 | ||
|       // or when custom titlebar theme is used.
 | ||
|       mTransparencyBitmapForTitlebar = TitlebarUseShapeMask();
 | ||
| 
 | ||
|       // We have a toplevel window with transparency.
 | ||
|       // Calls to UpdateTitlebarTransparencyBitmap() from OnExposeEvent()
 | ||
|       // occur before SetTransparencyMode() receives eTransparencyTransparent
 | ||
|       // from layout, so set mIsTransparent here.
 | ||
|       if (mWindowType == eWindowType_toplevel &&
 | ||
|           (mHasAlphaVisual || mTransparencyBitmapForTitlebar)) {
 | ||
|         mIsTransparent = true;
 | ||
|       }
 | ||
| 
 | ||
|       // We only move a general managed toplevel window if someone has
 | ||
|       // actually placed the window somewhere.  If no placement has taken
 | ||
|       // place, we just let the window manager Do The Right Thing.
 | ||
|       NativeResize();
 | ||
| 
 | ||
|       if (mWindowType == eWindowType_dialog) {
 | ||
|         mGtkWindowRoleName = "Dialog";
 | ||
| 
 | ||
|         SetDefaultIcon();
 | ||
|         gtk_window_set_type_hint(GTK_WINDOW(mShell),
 | ||
|                                  GDK_WINDOW_TYPE_HINT_DIALOG);
 | ||
|         LOG(("nsWindow::Create(): dialog [%p]\n", this));
 | ||
|         if (parentnsWindow) {
 | ||
|           gtk_window_set_transient_for(
 | ||
|               GTK_WINDOW(mShell), GTK_WINDOW(parentnsWindow->GetGtkWidget()));
 | ||
|           LOG(("    parent window %p [GdkWindow]\n", this));
 | ||
|         }
 | ||
| 
 | ||
|       } else if (mWindowType == eWindowType_popup) {
 | ||
|         mGtkWindowRoleName = "Popup";
 | ||
| 
 | ||
|         if (aInitData->mNoAutoHide) {
 | ||
|           // ... but the window manager does not decorate this window,
 | ||
|           // nor provide a separate taskbar icon.
 | ||
|           if (mBorderStyle == eBorderStyle_default) {
 | ||
|             gtk_window_set_decorated(GTK_WINDOW(mShell), FALSE);
 | ||
|           } else {
 | ||
|             bool decorate = mBorderStyle & eBorderStyle_title;
 | ||
|             gtk_window_set_decorated(GTK_WINDOW(mShell), decorate);
 | ||
|             if (decorate) {
 | ||
|               gtk_window_set_deletable(GTK_WINDOW(mShell),
 | ||
|                                        mBorderStyle & eBorderStyle_close);
 | ||
|             }
 | ||
|           }
 | ||
|           gtk_window_set_skip_taskbar_hint(GTK_WINDOW(mShell), TRUE);
 | ||
|           // Element focus is managed by the parent window so the
 | ||
|           // WM_HINTS input field is set to False to tell the window
 | ||
|           // manager not to set input focus to this window ...
 | ||
|           gtk_window_set_accept_focus(GTK_WINDOW(mShell), FALSE);
 | ||
| #ifdef MOZ_X11
 | ||
|           // ... but when the window manager offers focus through
 | ||
|           // WM_TAKE_FOCUS, focus is requested on the parent window.
 | ||
|           if (mIsX11Display) {
 | ||
|             gtk_widget_realize(mShell);
 | ||
|             gdk_window_add_filter(gtk_widget_get_window(mShell),
 | ||
|                                   popup_take_focus_filter, nullptr);
 | ||
|           }
 | ||
| #endif
 | ||
|         }
 | ||
| 
 | ||
|         GdkWindowTypeHint gtkTypeHint;
 | ||
|         if (aInitData->mIsDragPopup) {
 | ||
|           gtkTypeHint = GDK_WINDOW_TYPE_HINT_DND;
 | ||
|           mIsDragPopup = true;
 | ||
|         } else {
 | ||
|           switch (aInitData->mPopupHint) {
 | ||
|             case ePopupTypeMenu:
 | ||
|               gtkTypeHint = GDK_WINDOW_TYPE_HINT_POPUP_MENU;
 | ||
|               break;
 | ||
|             case ePopupTypeTooltip:
 | ||
|               gtkTypeHint = GDK_WINDOW_TYPE_HINT_TOOLTIP;
 | ||
|               break;
 | ||
|             default:
 | ||
|               gtkTypeHint = GDK_WINDOW_TYPE_HINT_UTILITY;
 | ||
|               break;
 | ||
|           }
 | ||
|         }
 | ||
|         gtk_window_set_type_hint(GTK_WINDOW(mShell), gtkTypeHint);
 | ||
|         LOG(("nsWindow::Create() popup [%p] type %s\n", this,
 | ||
|              aInitData->mPopupHint == ePopupTypeMenu
 | ||
|                  ? "Menu"
 | ||
|                  : (aInitData->mPopupHint == ePopupTypeTooltip ? "Tooltip"
 | ||
|                                                                : "Utility")));
 | ||
|         if (parentnsWindow) {
 | ||
|           LOG(("    parent window for popup: %p\n", parentnsWindow));
 | ||
|           gtk_window_set_transient_for(
 | ||
|               GTK_WINDOW(mShell), GTK_WINDOW(parentnsWindow->GetGtkWidget()));
 | ||
|         }
 | ||
| 
 | ||
|         // We need realized mShell at NativeMove().
 | ||
|         gtk_widget_realize(mShell);
 | ||
| 
 | ||
|         // With popup windows, we want to control their position, so don't
 | ||
|         // wait for the window manager to place them (which wouldn't
 | ||
|         // happen with override-redirect windows anyway).
 | ||
|         NativeMove();
 | ||
|       } else {  // must be eWindowType_toplevel
 | ||
|         mGtkWindowRoleName = "Toplevel";
 | ||
|         SetDefaultIcon();
 | ||
| 
 | ||
|         LOG(("nsWindow::Create() Toplevel [%p]\n", this));
 | ||
| 
 | ||
|         if (mIsPIPWindow) {
 | ||
|           LOG(("    Is PIP Window\n"));
 | ||
|           gtk_window_set_type_hint(GTK_WINDOW(mShell),
 | ||
|                                    GDK_WINDOW_TYPE_HINT_UTILITY);
 | ||
|         }
 | ||
| 
 | ||
|         // each toplevel window gets its own window group
 | ||
|         GtkWindowGroup* group = gtk_window_group_new();
 | ||
|         gtk_window_group_add_window(group, GTK_WINDOW(mShell));
 | ||
|         g_object_unref(group);
 | ||
|       }
 | ||
| 
 | ||
|       if (mAlwaysOnTop) {
 | ||
|         gtk_window_set_keep_above(GTK_WINDOW(mShell), TRUE);
 | ||
|       }
 | ||
| 
 | ||
|       // Create a container to hold child windows and child GtkWidgets.
 | ||
|       GtkWidget* container = moz_container_new();
 | ||
|       mContainer = MOZ_CONTAINER(container);
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|       if (!mIsX11Display && isAccelerated) {
 | ||
|         mCompositorInitiallyPaused = true;
 | ||
|         RefPtr<nsWindow> self(this);
 | ||
|         moz_container_wayland_add_initial_draw_callback(
 | ||
|             mContainer, [self]() -> void {
 | ||
|               self->mNeedsCompositorResume = true;
 | ||
|               self->MaybeResumeCompositor();
 | ||
|             });
 | ||
|       }
 | ||
| #endif
 | ||
| 
 | ||
|       // "csd" style is set when widget is realized so we need to call
 | ||
|       // it explicitly now.
 | ||
|       gtk_widget_realize(mShell);
 | ||
| 
 | ||
|       /* There are several cases here:
 | ||
|        *
 | ||
|        * 1) We're running on Gtk+ without client side decorations.
 | ||
|        *    Content is rendered to mShell window and we listen
 | ||
|        *    to the Gtk+ events on mShell
 | ||
|        * 2) We're running on Gtk+ and client side decorations
 | ||
|        *    are drawn by Gtk+ to mShell. Content is rendered to mContainer
 | ||
|        *    and we listen to the Gtk+ events on mContainer.
 | ||
|        * 3) We're running on Wayland. All gecko content is rendered
 | ||
|        *    to mContainer and we listen to the Gtk+ events on mContainer.
 | ||
|        */
 | ||
|       GtkStyleContext* style = gtk_widget_get_style_context(mShell);
 | ||
|       mDrawToContainer = !mIsX11Display ||
 | ||
|                          (mGtkWindowDecoration == GTK_DECORATION_CLIENT) ||
 | ||
|                          gtk_style_context_has_class(style, "csd");
 | ||
|       eventWidget = (mDrawToContainer) ? container : mShell;
 | ||
| 
 | ||
|       // Prevent GtkWindow from painting a background to avoid flickering.
 | ||
|       gtk_widget_set_app_paintable(eventWidget, TRUE);
 | ||
| 
 | ||
|       gtk_widget_add_events(eventWidget, kEvents);
 | ||
|       if (mDrawToContainer) {
 | ||
|         gtk_widget_add_events(mShell, GDK_PROPERTY_CHANGE_MASK);
 | ||
|         gtk_widget_set_app_paintable(mShell, TRUE);
 | ||
|       }
 | ||
|       if (mTransparencyBitmapForTitlebar) {
 | ||
|         moz_container_force_default_visual(mContainer);
 | ||
|       }
 | ||
| 
 | ||
|       // If we draw to mContainer window then configure it now because
 | ||
|       // gtk_container_add() realizes the child widget.
 | ||
|       gtk_widget_set_has_window(container, mDrawToContainer);
 | ||
| 
 | ||
|       gtk_container_add(GTK_CONTAINER(mShell), container);
 | ||
| 
 | ||
|       // alwaysontop windows are generally used for peripheral indicators,
 | ||
|       // so we don't focus them by default.
 | ||
|       if (mAlwaysOnTop) {
 | ||
|         gtk_window_set_focus_on_map(GTK_WINDOW(mShell), FALSE);
 | ||
|       }
 | ||
| 
 | ||
|       gtk_widget_realize(container);
 | ||
| 
 | ||
|       // make sure this is the focus widget in the container
 | ||
|       gtk_widget_show(container);
 | ||
| 
 | ||
|       if (!mAlwaysOnTop) {
 | ||
|         gtk_widget_grab_focus(container);
 | ||
|       }
 | ||
| 
 | ||
|       // the drawing window
 | ||
|       mGdkWindow = gtk_widget_get_window(eventWidget);
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|       if (mIsX11Display && gfx::gfxVars::UseEGL() && isAccelerated) {
 | ||
|         mCompositorInitiallyPaused = true;
 | ||
|         mNeedsCompositorResume = true;
 | ||
|         MaybeResumeCompositor();
 | ||
|       }
 | ||
| #endif
 | ||
| 
 | ||
|       if (mWindowType == eWindowType_popup) {
 | ||
|         // gdk does not automatically set the cursor for "temporary"
 | ||
|         // windows, which are what gtk uses for popups.
 | ||
| 
 | ||
|         mCursor = eCursor_wait;  // force SetCursor to actually set the
 | ||
|                                  // cursor, even though our internal state
 | ||
|                                  // indicates that we already have the
 | ||
|                                  // standard cursor.
 | ||
|         SetCursor(eCursor_standard, nullptr, 0, 0);
 | ||
| 
 | ||
|         if (aInitData->mNoAutoHide) {
 | ||
|           gint wmd = ConvertBorderStyles(mBorderStyle);
 | ||
|           if (wmd != -1)
 | ||
|             gdk_window_set_decorations(mGdkWindow, (GdkWMDecoration)wmd);
 | ||
|         }
 | ||
| 
 | ||
|         // If the popup ignores mouse events, set an empty input shape.
 | ||
|         SetWindowMouseTransparent(aInitData->mMouseTransparent);
 | ||
|       }
 | ||
|     } break;
 | ||
| 
 | ||
|     case eWindowType_plugin:
 | ||
|     case eWindowType_plugin_ipc_chrome:
 | ||
|     case eWindowType_plugin_ipc_content:
 | ||
|       MOZ_ASSERT_UNREACHABLE("Unexpected eWindowType_plugin*");
 | ||
|       return NS_ERROR_FAILURE;
 | ||
| 
 | ||
|     case eWindowType_child: {
 | ||
|       if (parentMozContainer) {
 | ||
|         mGdkWindow = CreateGdkWindow(parentGdkWindow, parentMozContainer);
 | ||
|         mHasMappedToplevel = parentnsWindow->mHasMappedToplevel;
 | ||
|       } else if (parentGtkContainer) {
 | ||
|         // This MozContainer has its own window for drawing and receives
 | ||
|         // events because there is no mShell widget (corresponding to this
 | ||
|         // nsWindow).
 | ||
|         GtkWidget* container = moz_container_new();
 | ||
|         mContainer = MOZ_CONTAINER(container);
 | ||
|         eventWidget = container;
 | ||
|         gtk_widget_add_events(eventWidget, kEvents);
 | ||
|         gtk_container_add(parentGtkContainer, container);
 | ||
|         gtk_widget_realize(container);
 | ||
| 
 | ||
|         mGdkWindow = gtk_widget_get_window(container);
 | ||
|       } else {
 | ||
|         NS_WARNING(
 | ||
|             "Warning: tried to create a new child widget with no parent!");
 | ||
|         return NS_ERROR_FAILURE;
 | ||
|       }
 | ||
|     } break;
 | ||
|     default:
 | ||
|       break;
 | ||
|   }
 | ||
| 
 | ||
|   // label the drawing window with this object so we can find our way home
 | ||
|   g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", this);
 | ||
|   if (mDrawToContainer) {
 | ||
|     // Also label mShell toplevel window,
 | ||
|     // property_notify_event_cb callback also needs to find its way home
 | ||
|     g_object_set_data(G_OBJECT(gtk_widget_get_window(mShell)), "nsWindow",
 | ||
|                       this);
 | ||
|   }
 | ||
| 
 | ||
|   if (mContainer) g_object_set_data(G_OBJECT(mContainer), "nsWindow", this);
 | ||
| 
 | ||
|   if (mShell) g_object_set_data(G_OBJECT(mShell), "nsWindow", this);
 | ||
| 
 | ||
|   // attach listeners for events
 | ||
|   if (mShell) {
 | ||
|     g_signal_connect(mShell, "configure_event", G_CALLBACK(configure_event_cb),
 | ||
|                      nullptr);
 | ||
|     g_signal_connect(mShell, "delete_event", G_CALLBACK(delete_event_cb),
 | ||
|                      nullptr);
 | ||
|     g_signal_connect(mShell, "window_state_event",
 | ||
|                      G_CALLBACK(window_state_event_cb), nullptr);
 | ||
|     g_signal_connect(mShell, "check-resize", G_CALLBACK(check_resize_cb),
 | ||
|                      nullptr);
 | ||
|     g_signal_connect(mShell, "composited-changed",
 | ||
|                      G_CALLBACK(widget_composited_changed_cb), nullptr);
 | ||
|     g_signal_connect(mShell, "property-notify-event",
 | ||
|                      G_CALLBACK(property_notify_event_cb), nullptr);
 | ||
| 
 | ||
|     if (mWindowType == eWindowType_toplevel) {
 | ||
|       g_signal_connect_after(mShell, "size_allocate",
 | ||
|                              G_CALLBACK(toplevel_window_size_allocate_cb),
 | ||
|                              nullptr);
 | ||
|     }
 | ||
| 
 | ||
|     GdkScreen* screen = gtk_widget_get_screen(mShell);
 | ||
|     if (!g_signal_handler_find(screen, G_SIGNAL_MATCH_FUNC, 0, 0, nullptr,
 | ||
|                                FuncToGpointer(screen_composited_changed_cb),
 | ||
|                                0)) {
 | ||
|       g_signal_connect(screen, "composited-changed",
 | ||
|                        G_CALLBACK(screen_composited_changed_cb), nullptr);
 | ||
|     }
 | ||
| 
 | ||
|     GtkSettings* default_settings = gtk_settings_get_default();
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-theme-name",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-font-name",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-enable-animations",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-decoration-layout",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-xft-dpi",
 | ||
|                            G_CALLBACK(settings_xft_dpi_changed_cb), this);
 | ||
|     // Text resolution affects system fonts and widget sizes.
 | ||
|     g_signal_connect_after(default_settings, "notify::resolution",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     // For remote LookAndFeel, to refresh the content processes' copies:
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-cursor-blink-time",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-cursor-blink",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings,
 | ||
|                            "notify::gtk-entry-select-on-focus",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings,
 | ||
|                            "notify::gtk-primary-button-warps-slider",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-menu-popup-delay",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|     g_signal_connect_after(default_settings, "notify::gtk-dnd-drag-threshold",
 | ||
|                            G_CALLBACK(settings_changed_cb), this);
 | ||
|   }
 | ||
| 
 | ||
|   if (mContainer) {
 | ||
|     // Widget signals
 | ||
|     g_signal_connect(mContainer, "unrealize",
 | ||
|                      G_CALLBACK(container_unrealize_cb), nullptr);
 | ||
|     g_signal_connect_after(mContainer, "size_allocate",
 | ||
|                            G_CALLBACK(size_allocate_cb), nullptr);
 | ||
|     g_signal_connect(mContainer, "hierarchy-changed",
 | ||
|                      G_CALLBACK(hierarchy_changed_cb), nullptr);
 | ||
|     g_signal_connect(mContainer, "notify::scale-factor",
 | ||
|                      G_CALLBACK(scale_changed_cb), nullptr);
 | ||
|     // Initialize mHasMappedToplevel.
 | ||
|     hierarchy_changed_cb(GTK_WIDGET(mContainer), nullptr);
 | ||
|     // Expose, focus, key, and drag events are sent even to GTK_NO_WINDOW
 | ||
|     // widgets.
 | ||
|     g_signal_connect(G_OBJECT(mContainer), "draw", G_CALLBACK(expose_event_cb),
 | ||
|                      nullptr);
 | ||
|     g_signal_connect(mContainer, "focus_in_event",
 | ||
|                      G_CALLBACK(focus_in_event_cb), nullptr);
 | ||
|     g_signal_connect(mContainer, "focus_out_event",
 | ||
|                      G_CALLBACK(focus_out_event_cb), nullptr);
 | ||
|     g_signal_connect(mContainer, "key_press_event",
 | ||
|                      G_CALLBACK(key_press_event_cb), nullptr);
 | ||
|     g_signal_connect(mContainer, "key_release_event",
 | ||
|                      G_CALLBACK(key_release_event_cb), nullptr);
 | ||
| 
 | ||
|     gtk_drag_dest_set((GtkWidget*)mContainer, (GtkDestDefaults)0, nullptr, 0,
 | ||
|                       (GdkDragAction)0);
 | ||
| 
 | ||
|     g_signal_connect(mContainer, "drag_motion",
 | ||
|                      G_CALLBACK(drag_motion_event_cb), nullptr);
 | ||
|     g_signal_connect(mContainer, "drag_leave", G_CALLBACK(drag_leave_event_cb),
 | ||
|                      nullptr);
 | ||
|     g_signal_connect(mContainer, "drag_drop", G_CALLBACK(drag_drop_event_cb),
 | ||
|                      nullptr);
 | ||
|     g_signal_connect(mContainer, "drag_data_received",
 | ||
|                      G_CALLBACK(drag_data_received_event_cb), nullptr);
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|     if (mIsX11Display) {
 | ||
|       GtkWidget* widgets[] = {GTK_WIDGET(mContainer),
 | ||
|                               !mDrawToContainer ? mShell : nullptr};
 | ||
|       for (size_t i = 0; i < ArrayLength(widgets) && widgets[i]; ++i) {
 | ||
|         // Double buffering is controlled by the window's owning
 | ||
|         // widget. Disable double buffering for painting directly to the
 | ||
|         // X Window.
 | ||
|         gtk_widget_set_double_buffered(widgets[i], FALSE);
 | ||
|       }
 | ||
|     }
 | ||
| #endif
 | ||
| 
 | ||
|     // We create input contexts for all containers, except for
 | ||
|     // toplevel popup windows
 | ||
|     if (mWindowType != eWindowType_popup) {
 | ||
|       mIMContext = new IMContextWrapper(this);
 | ||
|     }
 | ||
|   } else if (!mIMContext) {
 | ||
|     nsWindow* container = GetContainerWindow();
 | ||
|     if (container) {
 | ||
|       mIMContext = container->mIMContext;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (eventWidget) {
 | ||
|     // These events are sent to the owning widget of the relevant window
 | ||
|     // and propagate up to the first widget that handles the events, so we
 | ||
|     // need only connect on mShell, if it exists, to catch events on its
 | ||
|     // window and windows of mContainer.
 | ||
|     g_signal_connect(eventWidget, "enter-notify-event",
 | ||
|                      G_CALLBACK(enter_notify_event_cb), nullptr);
 | ||
|     g_signal_connect(eventWidget, "leave-notify-event",
 | ||
|                      G_CALLBACK(leave_notify_event_cb), nullptr);
 | ||
|     g_signal_connect(eventWidget, "motion-notify-event",
 | ||
|                      G_CALLBACK(motion_notify_event_cb), nullptr);
 | ||
|     g_signal_connect(eventWidget, "button-press-event",
 | ||
|                      G_CALLBACK(button_press_event_cb), nullptr);
 | ||
|     g_signal_connect(eventWidget, "button-release-event",
 | ||
|                      G_CALLBACK(button_release_event_cb), nullptr);
 | ||
|     g_signal_connect(eventWidget, "scroll-event", G_CALLBACK(scroll_event_cb),
 | ||
|                      nullptr);
 | ||
|     if (gtk_check_version(3, 18, 0) == nullptr) {
 | ||
|       g_signal_connect(eventWidget, "event", G_CALLBACK(generic_event_cb),
 | ||
|                        nullptr);
 | ||
|     }
 | ||
|     g_signal_connect(eventWidget, "touch-event", G_CALLBACK(touch_event_cb),
 | ||
|                      nullptr);
 | ||
|   }
 | ||
| 
 | ||
|   LOG(("nsWindow [%p] %s %s\n", (void*)this,
 | ||
|        mWindowType == eWindowType_toplevel ? "Toplevel" : "Popup",
 | ||
|        mIsPIPWindow ? "PIP window" : ""));
 | ||
|   if (mShell) {
 | ||
|     LOG(("\tmShell %p mContainer %p mGdkWindow %p 0x%lx\n", mShell, mContainer,
 | ||
|          mGdkWindow, mIsX11Display ? gdk_x11_window_get_xid(mGdkWindow) : 0));
 | ||
|   } else if (mContainer) {
 | ||
|     LOG(("\tmContainer %p mGdkWindow %p\n", mContainer, mGdkWindow));
 | ||
|   } else if (mGdkWindow) {
 | ||
|     LOG(("\tmGdkWindow %p parent %p\n", mGdkWindow,
 | ||
|          gdk_window_get_parent(mGdkWindow)));
 | ||
|   }
 | ||
| 
 | ||
|   // resize so that everything is set to the right dimensions
 | ||
|   if (!mIsTopLevel)
 | ||
|     Resize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false);
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   if (mIsX11Display && mGdkWindow) {
 | ||
|     mXDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
 | ||
|     mXWindow = gdk_x11_window_get_xid(mGdkWindow);
 | ||
| 
 | ||
|     GdkVisual* gdkVisual = gdk_window_get_visual(mGdkWindow);
 | ||
|     mXVisual = gdk_x11_visual_get_xvisual(gdkVisual);
 | ||
|     mXDepth = gdk_visual_get_depth(gdkVisual);
 | ||
|     bool shaped = popupNeedsAlphaVisual && !mHasAlphaVisual;
 | ||
| 
 | ||
|     mSurfaceProvider.Initialize(mXDisplay, mXWindow, mXVisual, mXDepth, shaped);
 | ||
| 
 | ||
|     if (mIsTopLevel) {
 | ||
|       // Set window manager hint to keep fullscreen windows composited.
 | ||
|       //
 | ||
|       // If the window were to get unredirected, there could be visible
 | ||
|       // tearing because Gecko does not align its framebuffer updates with
 | ||
|       // vblank.
 | ||
|       SetCompositorHint(GTK_WIDGET_COMPOSIDED_ENABLED);
 | ||
|     }
 | ||
|   }
 | ||
| #  ifdef MOZ_WAYLAND
 | ||
|   else if (!mIsX11Display) {
 | ||
|     mSurfaceProvider.Initialize(this);
 | ||
|     WaylandStartVsync();
 | ||
|   }
 | ||
| #  endif
 | ||
| #endif
 | ||
| 
 | ||
|   // Set default application name when it's empty.
 | ||
|   if (mGtkWindowAppName.IsEmpty()) {
 | ||
|     mGtkWindowAppName = gAppData->name;
 | ||
|   }
 | ||
|   RefreshWindowClass();
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::RefreshWindowClass(void) {
 | ||
|   GdkWindow* gdkWindow = gtk_widget_get_window(mShell);
 | ||
|   if (!gdkWindow) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!mGtkWindowRoleName.IsEmpty()) {
 | ||
|     gdk_window_set_role(gdkWindow, mGtkWindowRoleName.get());
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   if (!mGtkWindowAppName.IsEmpty() && mIsX11Display) {
 | ||
|     XClassHint* class_hint = XAllocClassHint();
 | ||
|     if (!class_hint) {
 | ||
|       return;
 | ||
|     }
 | ||
|     const char* res_class = gdk_get_program_class();
 | ||
|     if (!res_class) return;
 | ||
| 
 | ||
|     class_hint->res_name = const_cast<char*>(mGtkWindowAppName.get());
 | ||
|     class_hint->res_class = const_cast<char*>(res_class);
 | ||
| 
 | ||
|     // Can't use gtk_window_set_wmclass() for this; it prints
 | ||
|     // a warning & refuses to make the change.
 | ||
|     GdkDisplay* display = gdk_display_get_default();
 | ||
|     XSetClassHint(GDK_DISPLAY_XDISPLAY(display),
 | ||
|                   gdk_x11_window_get_xid(gdkWindow), class_hint);
 | ||
|     XFree(class_hint);
 | ||
|   }
 | ||
| #endif /* MOZ_X11 */
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetWindowClass(const nsAString& xulWinType) {
 | ||
|   if (!mShell) return;
 | ||
| 
 | ||
|   char* res_name = ToNewCString(xulWinType, mozilla::fallible);
 | ||
|   if (!res_name) return;
 | ||
| 
 | ||
|   const char* role = nullptr;
 | ||
| 
 | ||
|   // Parse res_name into a name and role. Characters other than
 | ||
|   // [A-Za-z0-9_-] are converted to '_'. Anything after the first
 | ||
|   // colon is assigned to role; if there's no colon, assign the
 | ||
|   // whole thing to both role and res_name.
 | ||
|   for (char* c = res_name; *c; c++) {
 | ||
|     if (':' == *c) {
 | ||
|       *c = 0;
 | ||
|       role = c + 1;
 | ||
|     } else if (!isascii(*c) || (!isalnum(*c) && ('_' != *c) && ('-' != *c)))
 | ||
|       *c = '_';
 | ||
|   }
 | ||
|   res_name[0] = toupper(res_name[0]);
 | ||
|   if (!role) role = res_name;
 | ||
| 
 | ||
|   mGtkWindowAppName = res_name;
 | ||
|   mGtkWindowRoleName = role;
 | ||
|   free(res_name);
 | ||
| 
 | ||
|   RefreshWindowClass();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::NativeResize() {
 | ||
|   if (!AreBoundsSane()) {
 | ||
|     // If someone has set this so that the needs show flag is false
 | ||
|     // and it needs to be hidden, update the flag and hide the
 | ||
|     // window.  This flag will be cleared the next time someone
 | ||
|     // hides the window or shows it.  It also prevents us from
 | ||
|     // calling NativeShow(false) excessively on the window which
 | ||
|     // causes unneeded X traffic.
 | ||
|     if (!mNeedsShow && mIsShown) {
 | ||
|       mNeedsShow = true;
 | ||
|       NativeShow(false);
 | ||
|     }
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GdkRectangle size = DevicePixelsToGdkSizeRoundUp(mBounds.Size());
 | ||
| 
 | ||
|   LOG(("nsWindow::NativeResize [%p] %d %d\n", (void*)this, size.width,
 | ||
|        size.height));
 | ||
| 
 | ||
|   if (mIsTopLevel) {
 | ||
|     MOZ_ASSERT(size.width > 0 && size.height > 0,
 | ||
|                "Can't resize window smaller than 1x1.");
 | ||
|     gtk_window_resize(GTK_WINDOW(mShell), size.width, size.height);
 | ||
|     if (mWaitingForMoveToRectCB) {
 | ||
|       LOG(("Waiting for move to rect, schedulling "));
 | ||
|       mPendingSizeRect = mBounds;
 | ||
|     }
 | ||
|   } else if (mContainer) {
 | ||
|     GtkWidget* widget = GTK_WIDGET(mContainer);
 | ||
|     GtkAllocation allocation, prev_allocation;
 | ||
|     gtk_widget_get_allocation(widget, &prev_allocation);
 | ||
|     allocation.x = prev_allocation.x;
 | ||
|     allocation.y = prev_allocation.y;
 | ||
|     allocation.width = size.width;
 | ||
|     allocation.height = size.height;
 | ||
|     gtk_widget_size_allocate(widget, &allocation);
 | ||
|   } else if (mGdkWindow) {
 | ||
|     gdk_window_resize(mGdkWindow, size.width, size.height);
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   // Notify the GtkCompositorWidget of a ClientSizeChange
 | ||
|   // This is different than OnSizeAllocate to catch initial sizing
 | ||
|   if (mCompositorWidgetDelegate) {
 | ||
|     mCompositorWidgetDelegate->NotifyClientSizeChanged(GetClientSize());
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // Does it need to be shown because bounds were previously insane?
 | ||
|   if (mNeedsShow && mIsShown) {
 | ||
|     NativeShow(true);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::NativeMoveResize() {
 | ||
|   if (!AreBoundsSane()) {
 | ||
|     // If someone has set this so that the needs show flag is false
 | ||
|     // and it needs to be hidden, update the flag and hide the
 | ||
|     // window.  This flag will be cleared the next time someone
 | ||
|     // hides the window or shows it.  It also prevents us from
 | ||
|     // calling NativeShow(false) excessively on the window which
 | ||
|     // causes unneeded X traffic.
 | ||
|     if (!mNeedsShow && mIsShown) {
 | ||
|       mNeedsShow = true;
 | ||
|       NativeShow(false);
 | ||
|     }
 | ||
|     NativeMove();
 | ||
| 
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GdkRectangle size = DevicePixelsToGdkSizeRoundUp(mBounds.Size());
 | ||
|   GdkPoint topLeft = DevicePixelsToGdkPointRoundDown(mBounds.TopLeft());
 | ||
| 
 | ||
|   LOG(("nsWindow::NativeMoveResize [%p] %d %d %d %d\n", (void*)this, topLeft.x,
 | ||
|        topLeft.y, size.width, size.height));
 | ||
| 
 | ||
|   if (IsWaylandPopup()) {
 | ||
|     NativeMoveResizeWaylandPopup(&topLeft, &size);
 | ||
|   } else {
 | ||
|     if (mIsTopLevel) {
 | ||
|       // x and y give the position of the window manager frame top-left.
 | ||
|       gtk_window_move(GTK_WINDOW(mShell), topLeft.x, topLeft.y);
 | ||
|       // This sets the client window size.
 | ||
|       MOZ_ASSERT(size.width > 0 && size.height > 0,
 | ||
|                  "Can't resize window smaller than 1x1.");
 | ||
|       gtk_window_resize(GTK_WINDOW(mShell), size.width, size.height);
 | ||
|     } else if (mContainer) {
 | ||
|       GtkAllocation allocation;
 | ||
|       allocation.x = topLeft.x;
 | ||
|       allocation.y = topLeft.y;
 | ||
|       allocation.width = size.width;
 | ||
|       allocation.height = size.height;
 | ||
|       gtk_widget_size_allocate(GTK_WIDGET(mContainer), &allocation);
 | ||
|     } else if (mGdkWindow) {
 | ||
|       gdk_window_move_resize(mGdkWindow, topLeft.x, topLeft.y, size.width,
 | ||
|                              size.height);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   // Notify the GtkCompositorWidget of a ClientSizeChange
 | ||
|   // This is different than OnSizeAllocate to catch initial sizing
 | ||
|   if (mCompositorWidgetDelegate) {
 | ||
|     mCompositorWidgetDelegate->NotifyClientSizeChanged(GetClientSize());
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // Does it need to be shown because bounds were previously insane?
 | ||
|   if (mNeedsShow && mIsShown) {
 | ||
|     NativeShow(true);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::PauseRemoteRenderer() {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   if (!mIsDestroyed) {
 | ||
|     if (mContainer) {
 | ||
|       // Because wl_egl_window is destroyed on moz_container_unmap(),
 | ||
|       // the current compositor cannot use it anymore. To avoid crash,
 | ||
|       // pause the compositor and destroy EGLSurface & resume the compositor
 | ||
|       // and re-create EGLSurface on next expose event.
 | ||
| 
 | ||
|       // moz_container_wayland_has_egl_window() could not be used here, since
 | ||
|       // there is a case that resume compositor is not completed yet.
 | ||
| 
 | ||
|       CompositorBridgeChild* remoteRenderer = GetRemoteRenderer();
 | ||
|       bool needsCompositorPause = !mNeedsCompositorResume && !!remoteRenderer &&
 | ||
|                                   mCompositorWidgetDelegate;
 | ||
|       if (needsCompositorPause) {
 | ||
|         // XXX slow sync IPC
 | ||
|         remoteRenderer->SendPause();
 | ||
|         // Re-request initial draw callback
 | ||
|         RefPtr<nsWindow> self(this);
 | ||
|         moz_container_wayland_add_initial_draw_callback(
 | ||
|             mContainer, [self]() -> void {
 | ||
|               self->mNeedsCompositorResume = true;
 | ||
|               self->MaybeResumeCompositor();
 | ||
|             });
 | ||
|       } else {
 | ||
|         DestroyLayerManager();
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::HideWaylandWindow() {
 | ||
|   if (mWindowType == eWindowType_popup) {
 | ||
|     LOG(("nsWindow::HideWaylandWindow: popup [%p]\n", this));
 | ||
|     GList* foundWindow = g_list_find(gVisibleWaylandPopupWindows, this);
 | ||
|     if (foundWindow) {
 | ||
|       gVisibleWaylandPopupWindows =
 | ||
|           g_list_delete_link(gVisibleWaylandPopupWindows, foundWindow);
 | ||
|     }
 | ||
|   }
 | ||
|   PauseRemoteRenderer();
 | ||
|   gtk_widget_hide(mShell);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::WaylandStartVsync() {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   // only use for toplevel windows for now - see bug 1619246
 | ||
|   if (!gUseWaylandVsync || mWindowType != eWindowType_toplevel) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!mWaylandVsyncSource) {
 | ||
|     mWaylandVsyncSource = new mozilla::WaylandVsyncSource(mContainer);
 | ||
|   }
 | ||
|   WaylandVsyncSource::WaylandDisplay& display =
 | ||
|       static_cast<WaylandVsyncSource::WaylandDisplay&>(
 | ||
|           mWaylandVsyncSource->GetGlobalDisplay());
 | ||
|   display.EnableMonitor();
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::WaylandStopVsync() {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   if (mWaylandVsyncSource) {
 | ||
|     // The widget is going to be hidden, so clear the surface of our
 | ||
|     // vsync source.
 | ||
|     WaylandVsyncSource::WaylandDisplay& display =
 | ||
|         static_cast<WaylandVsyncSource::WaylandDisplay&>(
 | ||
|             mWaylandVsyncSource->GetGlobalDisplay());
 | ||
|     display.DisableMonitor();
 | ||
|   }
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::NativeShow(bool aAction) {
 | ||
|   if (aAction) {
 | ||
|     // unset our flag now that our window has been shown
 | ||
|     mNeedsShow = false;
 | ||
| 
 | ||
|     if (mIsTopLevel) {
 | ||
|       // Set up usertime/startupID metadata for the created window.
 | ||
|       if (mWindowType != eWindowType_invisible) {
 | ||
|         SetUserTimeAndStartupIDForActivatedWindow(mShell);
 | ||
|       }
 | ||
|       // Update popup window hierarchy run-time on Wayland.
 | ||
|       if (IsWaylandPopup()) {
 | ||
|         if (!ConfigureWaylandPopupWindows()) {
 | ||
|           mNeedsShow = true;
 | ||
|           return;
 | ||
|         }
 | ||
|       }
 | ||
| 
 | ||
|       LOG(("  calling gtk_widget_show(mShell)\n"));
 | ||
|       gtk_widget_show(mShell);
 | ||
|       if (!mIsX11Display) {
 | ||
|         WaylandStartVsync();
 | ||
|       }
 | ||
|     } else if (mContainer) {
 | ||
|       LOG(("  calling gtk_widget_show(mContainer)\n"));
 | ||
|       gtk_widget_show(GTK_WIDGET(mContainer));
 | ||
|     } else if (mGdkWindow) {
 | ||
|       LOG(("  calling gdk_window_show_unraised\n"));
 | ||
|       gdk_window_show_unraised(mGdkWindow);
 | ||
|     }
 | ||
|   } else {
 | ||
|     // There's a chance that when the popup will be shown again it might be
 | ||
|     // resized because parent could be moved meanwhile.
 | ||
|     mPreferredPopupRect = nsRect(0, 0, 0, 0);
 | ||
|     mPreferredPopupRectFlushed = false;
 | ||
|     if (!mIsX11Display) {
 | ||
|       WaylandStopVsync();
 | ||
|       if (IsWaylandPopup() && IsMainMenuWindow()) {
 | ||
|         CleanupWaylandPopups();
 | ||
|       }
 | ||
|       HideWaylandWindow();
 | ||
|     } else if (mIsTopLevel) {
 | ||
|       // Workaround window freezes on GTK versions before 3.21.2 by
 | ||
|       // ensuring that configure events get dispatched to windows before
 | ||
|       // they are unmapped. See bug 1225044.
 | ||
|       if (gtk_check_version(3, 21, 2) != nullptr && mPendingConfigures > 0) {
 | ||
|         GtkAllocation allocation;
 | ||
|         gtk_widget_get_allocation(GTK_WIDGET(mShell), &allocation);
 | ||
| 
 | ||
|         GdkEventConfigure event;
 | ||
|         PodZero(&event);
 | ||
|         event.type = GDK_CONFIGURE;
 | ||
|         event.window = mGdkWindow;
 | ||
|         event.send_event = TRUE;
 | ||
|         event.x = allocation.x;
 | ||
|         event.y = allocation.y;
 | ||
|         event.width = allocation.width;
 | ||
|         event.height = allocation.height;
 | ||
| 
 | ||
|         auto shellClass = GTK_WIDGET_GET_CLASS(mShell);
 | ||
|         for (unsigned int i = 0; i < mPendingConfigures; i++) {
 | ||
|           Unused << shellClass->configure_event(mShell, &event);
 | ||
|         }
 | ||
|         mPendingConfigures = 0;
 | ||
|       }
 | ||
|       gtk_widget_hide(mShell);
 | ||
| 
 | ||
|       ClearTransparencyBitmap();  // Release some resources
 | ||
|     } else if (mContainer) {
 | ||
|       gtk_widget_hide(GTK_WIDGET(mContainer));
 | ||
|     } else if (mGdkWindow) {
 | ||
|       gdk_window_hide(mGdkWindow);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetHasMappedToplevel(bool aState) {
 | ||
|   // Even when aState == mHasMappedToplevel (as when this method is called
 | ||
|   // from Show()), child windows need to have their state checked, so don't
 | ||
|   // return early.
 | ||
|   bool oldState = mHasMappedToplevel;
 | ||
|   mHasMappedToplevel = aState;
 | ||
| 
 | ||
|   // mHasMappedToplevel is not updated for children of windows that are
 | ||
|   // hidden; GDK knows not to send expose events for these windows.  The
 | ||
|   // state is recorded on the hidden window itself, but, for child trees of
 | ||
|   // hidden windows, their state essentially becomes disconnected from their
 | ||
|   // hidden parent.  When the hidden parent gets shown, the child trees are
 | ||
|   // reconnected, and the state of the window being shown can be easily
 | ||
|   // propagated.
 | ||
|   if (!mIsShown || !mGdkWindow) return;
 | ||
| 
 | ||
|   if (aState && !oldState) {
 | ||
|     // Check that a grab didn't fail due to the window not being
 | ||
|     // viewable.
 | ||
|     EnsureGrabs();
 | ||
|   }
 | ||
| 
 | ||
|   for (GList* children = gdk_window_peek_children(mGdkWindow); children;
 | ||
|        children = children->next) {
 | ||
|     GdkWindow* gdkWin = GDK_WINDOW(children->data);
 | ||
|     nsWindow* child = get_window_for_gdk_window(gdkWin);
 | ||
| 
 | ||
|     if (child && child->mHasMappedToplevel != aState) {
 | ||
|       child->SetHasMappedToplevel(aState);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntSize nsWindow::GetSafeWindowSize(LayoutDeviceIntSize aSize) {
 | ||
|   // The X protocol uses CARD32 for window sizes, but the server (1.11.3)
 | ||
|   // reads it as CARD16.  Sizes of pixmaps, used for drawing, are (unsigned)
 | ||
|   // CARD16 in the protocol, but the server's ProcCreatePixmap returns
 | ||
|   // BadAlloc if dimensions cannot be represented by signed shorts.
 | ||
|   // Because we are creating Cairo surfaces to represent window buffers,
 | ||
|   // we also must ensure that the window can fit in a Cairo surface.
 | ||
|   LayoutDeviceIntSize result = aSize;
 | ||
|   int32_t maxSize = 32767;
 | ||
|   if (mLayerManager && mLayerManager->AsKnowsCompositor()) {
 | ||
|     maxSize = std::min(maxSize,
 | ||
|                        mLayerManager->AsKnowsCompositor()->GetMaxTextureSize());
 | ||
|   }
 | ||
|   if (result.width > maxSize) {
 | ||
|     result.width = maxSize;
 | ||
|   }
 | ||
|   if (result.height > maxSize) {
 | ||
|     result.height = maxSize;
 | ||
|   }
 | ||
|   return result;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::EnsureGrabs(void) {
 | ||
|   if (mRetryPointerGrab) GrabPointer(sRetryGrabTime);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::CleanLayerManagerRecursive(void) {
 | ||
|   if (mLayerManager) {
 | ||
|     mLayerManager->Destroy();
 | ||
|     mLayerManager = nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   DestroyCompositor();
 | ||
| 
 | ||
|   GList* children = gdk_window_peek_children(mGdkWindow);
 | ||
|   for (GList* list = children; list; list = list->next) {
 | ||
|     nsWindow* window = get_window_for_gdk_window(GDK_WINDOW(list->data));
 | ||
|     if (window) {
 | ||
|       window->CleanLayerManagerRecursive();
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetTransparencyMode(nsTransparencyMode aMode) {
 | ||
|   if (!mShell) {
 | ||
|     // Pass the request to the toplevel window
 | ||
|     GtkWidget* topWidget = GetToplevelWidget();
 | ||
|     if (!topWidget) return;
 | ||
| 
 | ||
|     nsWindow* topWindow = get_window_for_gtk_widget(topWidget);
 | ||
|     if (!topWindow) return;
 | ||
| 
 | ||
|     topWindow->SetTransparencyMode(aMode);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   bool isTransparent = aMode == eTransparencyTransparent;
 | ||
| 
 | ||
|   if (mIsTransparent == isTransparent) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (mWindowType != eWindowType_popup) {
 | ||
|     // https://bugzilla.mozilla.org/show_bug.cgi?id=1344839 reported
 | ||
|     // problems cleaning the layer manager for toplevel windows.
 | ||
|     // Ignore the request so as to workaround that.
 | ||
|     // mIsTransparent is set in Create() if transparency may be required.
 | ||
|     if (isTransparent) {
 | ||
|       NS_WARNING("Transparent mode not supported on non-popup windows.");
 | ||
|     }
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!isTransparent) {
 | ||
|     ClearTransparencyBitmap();
 | ||
|   }  // else the new default alpha values are "all 1", so we don't
 | ||
|   // need to change anything yet
 | ||
| 
 | ||
|   mIsTransparent = isTransparent;
 | ||
| 
 | ||
|   if (!mHasAlphaVisual) {
 | ||
|     // The choice of layer manager depends on
 | ||
|     // GtkCompositorWidgetInitData::Shaped(), which will need to change, so
 | ||
|     // clean out the old layer manager.
 | ||
|     CleanLayerManagerRecursive();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| nsTransparencyMode nsWindow::GetTransparencyMode() {
 | ||
|   if (!mShell) {
 | ||
|     // Pass the request to the toplevel window
 | ||
|     GtkWidget* topWidget = GetToplevelWidget();
 | ||
|     if (!topWidget) {
 | ||
|       return eTransparencyOpaque;
 | ||
|     }
 | ||
| 
 | ||
|     nsWindow* topWindow = get_window_for_gtk_widget(topWidget);
 | ||
|     if (!topWindow) {
 | ||
|       return eTransparencyOpaque;
 | ||
|     }
 | ||
| 
 | ||
|     return topWindow->GetTransparencyMode();
 | ||
|   }
 | ||
| 
 | ||
|   return mIsTransparent ? eTransparencyTransparent : eTransparencyOpaque;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetWindowMouseTransparent(bool aIsTransparent) {
 | ||
|   if (!mGdkWindow) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   cairo_rectangle_int_t emptyRect = {0, 0, 0, 0};
 | ||
|   cairo_region_t* region =
 | ||
|       aIsTransparent ? cairo_region_create_rectangle(&emptyRect) : nullptr;
 | ||
| 
 | ||
|   gdk_window_input_shape_combine_region(mGdkWindow, region, 0, 0);
 | ||
|   if (region) {
 | ||
|     cairo_region_destroy(region);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| // For setting the draggable titlebar region from CSS
 | ||
| // with -moz-window-dragging: drag.
 | ||
| void nsWindow::UpdateWindowDraggingRegion(
 | ||
|     const LayoutDeviceIntRegion& aRegion) {
 | ||
|   if (mDraggableRegion != aRegion) {
 | ||
|     mDraggableRegion = aRegion;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| // See subtract_corners_from_region() at gtk/gtkwindow.c
 | ||
| // We need to subtract corners from toplevel window opaque region
 | ||
| // to draw transparent corners of default Gtk titlebar.
 | ||
| // Both implementations (cairo_region_t and wl_region) needs to be synced.
 | ||
| static void SubtractTitlebarCorners(cairo_region_t* aRegion, int aX, int aY,
 | ||
|                                     int aWindowWidth) {
 | ||
|   cairo_rectangle_int_t rect = {aX, aY, TITLEBAR_SHAPE_MASK_HEIGHT,
 | ||
|                                 TITLEBAR_SHAPE_MASK_HEIGHT};
 | ||
|   cairo_region_subtract_rectangle(aRegion, &rect);
 | ||
|   rect = {
 | ||
|       aX + aWindowWidth - TITLEBAR_SHAPE_MASK_HEIGHT,
 | ||
|       aY,
 | ||
|       TITLEBAR_SHAPE_MASK_HEIGHT,
 | ||
|       TITLEBAR_SHAPE_MASK_HEIGHT,
 | ||
|   };
 | ||
|   cairo_region_subtract_rectangle(aRegion, &rect);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::UpdateTopLevelOpaqueRegion(void) {
 | ||
|   if (!mCompositedScreen) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GdkWindow* window =
 | ||
|       (mDrawToContainer) ? gtk_widget_get_window(mShell) : mGdkWindow;
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
|   MOZ_ASSERT(gdk_window_get_window_type(window) == GDK_WINDOW_TOPLEVEL);
 | ||
| 
 | ||
|   int x = 0;
 | ||
|   int y = 0;
 | ||
| 
 | ||
|   if (mDrawToContainer) {
 | ||
|     gdk_window_get_position(mGdkWindow, &x, &y);
 | ||
|   }
 | ||
| 
 | ||
|   int width = DevicePixelsToGdkCoordRoundDown(mBounds.width);
 | ||
|   int height = DevicePixelsToGdkCoordRoundDown(mBounds.height);
 | ||
| 
 | ||
|   cairo_region_t* region = cairo_region_create();
 | ||
|   cairo_rectangle_int_t rect = {x, y, width, height};
 | ||
|   cairo_region_union_rectangle(region, &rect);
 | ||
| 
 | ||
|   bool subtractCorners = DoDrawTilebarCorners();
 | ||
|   if (subtractCorners) {
 | ||
|     SubtractTitlebarCorners(region, x, y, width);
 | ||
|   }
 | ||
| 
 | ||
|   gdk_window_set_opaque_region(window, region);
 | ||
| 
 | ||
|   cairo_region_destroy(region);
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   if (!mIsX11Display) {
 | ||
|     moz_container_wayland_update_opaque_region(mContainer, subtractCorners);
 | ||
|   }
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::IsChromeWindowTitlebar() {
 | ||
|   return mDrawInTitlebar && !mIsPIPWindow &&
 | ||
|          mWindowType == eWindowType_toplevel;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::DoDrawTilebarCorners() {
 | ||
|   return IsChromeWindowTitlebar() && mSizeState == nsSizeMode_Normal &&
 | ||
|          !mIsTiled;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::ConfigureChildren(
 | ||
|     const nsTArray<Configuration>& aConfigurations) {
 | ||
|   // If this is a remotely updated widget we receive clipping, position, and
 | ||
|   // size information from a source other than our owner. Don't let our parent
 | ||
|   // update this information.
 | ||
|   if (mWindowType == eWindowType_plugin_ipc_chrome) {
 | ||
|     return NS_OK;
 | ||
|   }
 | ||
| 
 | ||
|   for (uint32_t i = 0; i < aConfigurations.Length(); ++i) {
 | ||
|     const Configuration& configuration = aConfigurations[i];
 | ||
|     auto* w = static_cast<nsWindow*>(configuration.mChild.get());
 | ||
|     NS_ASSERTION(w->GetParent() == this, "Configured widget is not a child");
 | ||
|     w->SetWindowClipRegion(configuration.mClipRegion, true);
 | ||
|     if (w->mBounds.Size() != configuration.mBounds.Size()) {
 | ||
|       w->Resize(configuration.mBounds.x, configuration.mBounds.y,
 | ||
|                 configuration.mBounds.width, configuration.mBounds.height,
 | ||
|                 true);
 | ||
|     } else if (w->mBounds.TopLeft() != configuration.mBounds.TopLeft()) {
 | ||
|       w->Move(configuration.mBounds.x, configuration.mBounds.y);
 | ||
|     }
 | ||
|     w->SetWindowClipRegion(configuration.mClipRegion, false);
 | ||
|   }
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SetWindowClipRegion(
 | ||
|     const nsTArray<LayoutDeviceIntRect>& aRects, bool aIntersectWithExisting) {
 | ||
|   const nsTArray<LayoutDeviceIntRect>* newRects = &aRects;
 | ||
| 
 | ||
|   AutoTArray<LayoutDeviceIntRect, 1> intersectRects;
 | ||
|   if (aIntersectWithExisting) {
 | ||
|     AutoTArray<LayoutDeviceIntRect, 1> existingRects;
 | ||
|     GetWindowClipRegion(&existingRects);
 | ||
| 
 | ||
|     LayoutDeviceIntRegion existingRegion = RegionFromArray(existingRects);
 | ||
|     LayoutDeviceIntRegion newRegion = RegionFromArray(aRects);
 | ||
|     LayoutDeviceIntRegion intersectRegion;
 | ||
|     intersectRegion.And(newRegion, existingRegion);
 | ||
| 
 | ||
|     // If mClipRects is null we haven't set a clip rect yet, so we
 | ||
|     // need to set the clip even if it is equal.
 | ||
|     if (mClipRects && intersectRegion.IsEqual(existingRegion)) {
 | ||
|       return NS_OK;
 | ||
|     }
 | ||
| 
 | ||
|     if (!intersectRegion.IsEqual(newRegion)) {
 | ||
|       ArrayFromRegion(intersectRegion, intersectRects);
 | ||
|       newRects = &intersectRects;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (IsWindowClipRegionEqual(*newRects)) return NS_OK;
 | ||
| 
 | ||
|   StoreWindowClipRegion(*newRects);
 | ||
| 
 | ||
|   if (!mGdkWindow) return NS_OK;
 | ||
| 
 | ||
|   cairo_region_t* region = cairo_region_create();
 | ||
|   for (uint32_t i = 0; i < newRects->Length(); ++i) {
 | ||
|     const LayoutDeviceIntRect& r = newRects->ElementAt(i);
 | ||
|     cairo_rectangle_int_t rect = {r.x, r.y, r.width, r.height};
 | ||
|     cairo_region_union_rectangle(region, &rect);
 | ||
|   }
 | ||
| 
 | ||
|   gdk_window_shape_combine_region(mGdkWindow, region, 0, 0);
 | ||
|   cairo_region_destroy(region);
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ResizeTransparencyBitmap() {
 | ||
|   if (!mTransparencyBitmap) return;
 | ||
| 
 | ||
|   if (mBounds.width == mTransparencyBitmapWidth &&
 | ||
|       mBounds.height == mTransparencyBitmapHeight)
 | ||
|     return;
 | ||
| 
 | ||
|   int32_t newRowBytes = GetBitmapStride(mBounds.width);
 | ||
|   int32_t newSize = newRowBytes * mBounds.height;
 | ||
|   auto* newBits = new gchar[newSize];
 | ||
|   // fill new mask with "transparent", first
 | ||
|   memset(newBits, 0, newSize);
 | ||
| 
 | ||
|   // Now copy the intersection of the old and new areas into the new mask
 | ||
|   int32_t copyWidth = std::min(mBounds.width, mTransparencyBitmapWidth);
 | ||
|   int32_t copyHeight = std::min(mBounds.height, mTransparencyBitmapHeight);
 | ||
|   int32_t oldRowBytes = GetBitmapStride(mTransparencyBitmapWidth);
 | ||
|   int32_t copyBytes = GetBitmapStride(copyWidth);
 | ||
| 
 | ||
|   int32_t i;
 | ||
|   gchar* fromPtr = mTransparencyBitmap;
 | ||
|   gchar* toPtr = newBits;
 | ||
|   for (i = 0; i < copyHeight; i++) {
 | ||
|     memcpy(toPtr, fromPtr, copyBytes);
 | ||
|     fromPtr += oldRowBytes;
 | ||
|     toPtr += newRowBytes;
 | ||
|   }
 | ||
| 
 | ||
|   delete[] mTransparencyBitmap;
 | ||
|   mTransparencyBitmap = newBits;
 | ||
|   mTransparencyBitmapWidth = mBounds.width;
 | ||
|   mTransparencyBitmapHeight = mBounds.height;
 | ||
| }
 | ||
| 
 | ||
| static bool ChangedMaskBits(gchar* aMaskBits, int32_t aMaskWidth,
 | ||
|                             int32_t aMaskHeight, const nsIntRect& aRect,
 | ||
|                             uint8_t* aAlphas, int32_t aStride) {
 | ||
|   int32_t x, y, xMax = aRect.XMost(), yMax = aRect.YMost();
 | ||
|   int32_t maskBytesPerRow = GetBitmapStride(aMaskWidth);
 | ||
|   for (y = aRect.y; y < yMax; y++) {
 | ||
|     gchar* maskBytes = aMaskBits + y * maskBytesPerRow;
 | ||
|     uint8_t* alphas = aAlphas;
 | ||
|     for (x = aRect.x; x < xMax; x++) {
 | ||
|       bool newBit = *alphas > 0x7f;
 | ||
|       alphas++;
 | ||
| 
 | ||
|       gchar maskByte = maskBytes[x >> 3];
 | ||
|       bool maskBit = (maskByte & (1 << (x & 7))) != 0;
 | ||
| 
 | ||
|       if (maskBit != newBit) {
 | ||
|         return true;
 | ||
|       }
 | ||
|     }
 | ||
|     aAlphas += aStride;
 | ||
|   }
 | ||
| 
 | ||
|   return false;
 | ||
| }
 | ||
| 
 | ||
| static void UpdateMaskBits(gchar* aMaskBits, int32_t aMaskWidth,
 | ||
|                            int32_t aMaskHeight, const nsIntRect& aRect,
 | ||
|                            uint8_t* aAlphas, int32_t aStride) {
 | ||
|   int32_t x, y, xMax = aRect.XMost(), yMax = aRect.YMost();
 | ||
|   int32_t maskBytesPerRow = GetBitmapStride(aMaskWidth);
 | ||
|   for (y = aRect.y; y < yMax; y++) {
 | ||
|     gchar* maskBytes = aMaskBits + y * maskBytesPerRow;
 | ||
|     uint8_t* alphas = aAlphas;
 | ||
|     for (x = aRect.x; x < xMax; x++) {
 | ||
|       bool newBit = *alphas > 0x7f;
 | ||
|       alphas++;
 | ||
| 
 | ||
|       gchar mask = 1 << (x & 7);
 | ||
|       gchar maskByte = maskBytes[x >> 3];
 | ||
|       // Note: '-newBit' turns 0 into 00...00 and 1 into 11...11
 | ||
|       maskBytes[x >> 3] = (maskByte & ~mask) | (-newBit & mask);
 | ||
|     }
 | ||
|     aAlphas += aStride;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ApplyTransparencyBitmap() {
 | ||
| #ifdef MOZ_X11
 | ||
|   // We use X11 calls where possible, because GDK handles expose events
 | ||
|   // for shaped windows in a way that's incompatible with us (Bug 635903).
 | ||
|   // It doesn't occur when the shapes are set through X.
 | ||
|   Display* xDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
 | ||
|   Window xDrawable = GDK_WINDOW_XID(mGdkWindow);
 | ||
|   Pixmap maskPixmap = XCreateBitmapFromData(
 | ||
|       xDisplay, xDrawable, mTransparencyBitmap, mTransparencyBitmapWidth,
 | ||
|       mTransparencyBitmapHeight);
 | ||
|   XShapeCombineMask(xDisplay, xDrawable, ShapeBounding, 0, 0, maskPixmap,
 | ||
|                     ShapeSet);
 | ||
|   XFreePixmap(xDisplay, maskPixmap);
 | ||
| #else
 | ||
|   cairo_surface_t* maskBitmap;
 | ||
|   maskBitmap = cairo_image_surface_create_for_data(
 | ||
|       (unsigned char*)mTransparencyBitmap, CAIRO_FORMAT_A1,
 | ||
|       mTransparencyBitmapWidth, mTransparencyBitmapHeight,
 | ||
|       GetBitmapStride(mTransparencyBitmapWidth));
 | ||
|   if (!maskBitmap) return;
 | ||
| 
 | ||
|   cairo_region_t* maskRegion = gdk_cairo_region_create_from_surface(maskBitmap);
 | ||
|   gtk_widget_shape_combine_region(mShell, maskRegion);
 | ||
|   cairo_region_destroy(maskRegion);
 | ||
|   cairo_surface_destroy(maskBitmap);
 | ||
| #endif  // MOZ_X11
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ClearTransparencyBitmap() {
 | ||
|   if (!mTransparencyBitmap) return;
 | ||
| 
 | ||
|   delete[] mTransparencyBitmap;
 | ||
|   mTransparencyBitmap = nullptr;
 | ||
|   mTransparencyBitmapWidth = 0;
 | ||
|   mTransparencyBitmapHeight = 0;
 | ||
| 
 | ||
|   if (!mShell) return;
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   if (!mGdkWindow) return;
 | ||
| 
 | ||
|   Display* xDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
 | ||
|   Window xWindow = gdk_x11_window_get_xid(mGdkWindow);
 | ||
| 
 | ||
|   XShapeCombineMask(xDisplay, xWindow, ShapeBounding, 0, 0, X11None, ShapeSet);
 | ||
| #endif
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::UpdateTranslucentWindowAlphaInternal(const nsIntRect& aRect,
 | ||
|                                                         uint8_t* aAlphas,
 | ||
|                                                         int32_t aStride) {
 | ||
|   if (!mShell) {
 | ||
|     // Pass the request to the toplevel window
 | ||
|     GtkWidget* topWidget = GetToplevelWidget();
 | ||
|     if (!topWidget) return NS_ERROR_FAILURE;
 | ||
| 
 | ||
|     nsWindow* topWindow = get_window_for_gtk_widget(topWidget);
 | ||
|     if (!topWindow) return NS_ERROR_FAILURE;
 | ||
| 
 | ||
|     return topWindow->UpdateTranslucentWindowAlphaInternal(aRect, aAlphas,
 | ||
|                                                            aStride);
 | ||
|   }
 | ||
| 
 | ||
|   NS_ASSERTION(mIsTransparent, "Window is not transparent");
 | ||
|   NS_ASSERTION(!mTransparencyBitmapForTitlebar,
 | ||
|                "Transparency bitmap is already used for titlebar rendering");
 | ||
| 
 | ||
|   if (mTransparencyBitmap == nullptr) {
 | ||
|     int32_t size = GetBitmapStride(mBounds.width) * mBounds.height;
 | ||
|     mTransparencyBitmap = new gchar[size];
 | ||
|     memset(mTransparencyBitmap, 255, size);
 | ||
|     mTransparencyBitmapWidth = mBounds.width;
 | ||
|     mTransparencyBitmapHeight = mBounds.height;
 | ||
|   } else {
 | ||
|     ResizeTransparencyBitmap();
 | ||
|   }
 | ||
| 
 | ||
|   nsIntRect rect;
 | ||
|   rect.IntersectRect(aRect, nsIntRect(0, 0, mBounds.width, mBounds.height));
 | ||
| 
 | ||
|   if (!ChangedMaskBits(mTransparencyBitmap, mBounds.width, mBounds.height, rect,
 | ||
|                        aAlphas, aStride))
 | ||
|     // skip the expensive stuff if the mask bits haven't changed; hopefully
 | ||
|     // this is the common case
 | ||
|     return NS_OK;
 | ||
| 
 | ||
|   UpdateMaskBits(mTransparencyBitmap, mBounds.width, mBounds.height, rect,
 | ||
|                  aAlphas, aStride);
 | ||
| 
 | ||
|   if (!mNeedsShow) {
 | ||
|     ApplyTransparencyBitmap();
 | ||
|   }
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntRect nsWindow::GetTitlebarRect() {
 | ||
|   if (!mGdkWindow || !mDrawInTitlebar) {
 | ||
|     return LayoutDeviceIntRect();
 | ||
|   }
 | ||
| 
 | ||
|   return LayoutDeviceIntRect(0, 0, mBounds.width, TITLEBAR_SHAPE_MASK_HEIGHT);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::UpdateTitlebarTransparencyBitmap() {
 | ||
|   NS_ASSERTION(mTransparencyBitmapForTitlebar,
 | ||
|                "Transparency bitmap is already used to draw window shape");
 | ||
| 
 | ||
|   if (!mGdkWindow || !mDrawInTitlebar ||
 | ||
|       (mBounds.width == mTransparencyBitmapWidth &&
 | ||
|        mBounds.height == mTransparencyBitmapHeight)) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   bool maskCreate =
 | ||
|       !mTransparencyBitmap || mBounds.width > mTransparencyBitmapWidth;
 | ||
| 
 | ||
|   bool maskUpdate =
 | ||
|       !mTransparencyBitmap || mBounds.width != mTransparencyBitmapWidth;
 | ||
| 
 | ||
|   if (maskCreate) {
 | ||
|     if (mTransparencyBitmap) {
 | ||
|       delete[] mTransparencyBitmap;
 | ||
|     }
 | ||
|     int32_t size = GetBitmapStride(mBounds.width) * TITLEBAR_SHAPE_MASK_HEIGHT;
 | ||
|     mTransparencyBitmap = new gchar[size];
 | ||
|     mTransparencyBitmapWidth = mBounds.width;
 | ||
|   } else {
 | ||
|     mTransparencyBitmapWidth = mBounds.width;
 | ||
|   }
 | ||
|   mTransparencyBitmapHeight = mBounds.height;
 | ||
| 
 | ||
|   if (maskUpdate) {
 | ||
|     cairo_surface_t* surface = cairo_image_surface_create(
 | ||
|         CAIRO_FORMAT_A8, mTransparencyBitmapWidth, TITLEBAR_SHAPE_MASK_HEIGHT);
 | ||
|     if (!surface) return;
 | ||
| 
 | ||
|     cairo_t* cr = cairo_create(surface);
 | ||
| 
 | ||
|     GtkWidgetState state;
 | ||
|     memset((void*)&state, 0, sizeof(state));
 | ||
|     GdkRectangle rect = {0, 0, mTransparencyBitmapWidth,
 | ||
|                          TITLEBAR_SHAPE_MASK_HEIGHT};
 | ||
| 
 | ||
|     moz_gtk_widget_paint(MOZ_GTK_HEADER_BAR, cr, &rect, &state, 0,
 | ||
|                          GTK_TEXT_DIR_NONE);
 | ||
| 
 | ||
|     cairo_destroy(cr);
 | ||
|     cairo_surface_mark_dirty(surface);
 | ||
|     cairo_surface_flush(surface);
 | ||
| 
 | ||
|     UpdateMaskBits(
 | ||
|         mTransparencyBitmap, mTransparencyBitmapWidth,
 | ||
|         TITLEBAR_SHAPE_MASK_HEIGHT,
 | ||
|         nsIntRect(0, 0, mTransparencyBitmapWidth, TITLEBAR_SHAPE_MASK_HEIGHT),
 | ||
|         cairo_image_surface_get_data(surface),
 | ||
|         cairo_format_stride_for_width(CAIRO_FORMAT_A8,
 | ||
|                                       mTransparencyBitmapWidth));
 | ||
| 
 | ||
|     cairo_surface_destroy(surface);
 | ||
|   }
 | ||
| 
 | ||
|   if (!mNeedsShow) {
 | ||
|     Display* xDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
 | ||
|     Window xDrawable = GDK_WINDOW_XID(mGdkWindow);
 | ||
| 
 | ||
|     Pixmap maskPixmap = XCreateBitmapFromData(
 | ||
|         xDisplay, xDrawable, mTransparencyBitmap, mTransparencyBitmapWidth,
 | ||
|         TITLEBAR_SHAPE_MASK_HEIGHT);
 | ||
| 
 | ||
|     XShapeCombineMask(xDisplay, xDrawable, ShapeBounding, 0, 0, maskPixmap,
 | ||
|                       ShapeSet);
 | ||
| 
 | ||
|     if (mTransparencyBitmapHeight > TITLEBAR_SHAPE_MASK_HEIGHT) {
 | ||
|       XRectangle rect = {0, 0, (unsigned short)mTransparencyBitmapWidth,
 | ||
|                          (unsigned short)(mTransparencyBitmapHeight -
 | ||
|                                           TITLEBAR_SHAPE_MASK_HEIGHT)};
 | ||
|       XShapeCombineRectangles(xDisplay, xDrawable, ShapeBounding, 0,
 | ||
|                               TITLEBAR_SHAPE_MASK_HEIGHT, &rect, 1, ShapeUnion,
 | ||
|                               0);
 | ||
|     }
 | ||
| 
 | ||
|     XFreePixmap(xDisplay, maskPixmap);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::GrabPointer(guint32 aTime) {
 | ||
|   LOG(("GrabPointer time=0x%08x retry=%d\n", (unsigned int)aTime,
 | ||
|        mRetryPointerGrab));
 | ||
| 
 | ||
|   mRetryPointerGrab = false;
 | ||
|   sRetryGrabTime = aTime;
 | ||
| 
 | ||
|   // If the window isn't visible, just set the flag to retry the
 | ||
|   // grab.  When this window becomes visible, the grab will be
 | ||
|   // retried.
 | ||
|   if (!mHasMappedToplevel) {
 | ||
|     LOG(("GrabPointer: window not visible\n"));
 | ||
|     mRetryPointerGrab = true;
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!mGdkWindow) return;
 | ||
| 
 | ||
|   if (!mIsX11Display) {
 | ||
|     // Don't to the grab on Wayland as it causes a regression
 | ||
|     // from Bug 1377084.
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   gint retval;
 | ||
|   // Note that we need GDK_TOUCH_MASK below to work around a GDK/X11 bug that
 | ||
|   // causes touch events that would normally be received by this client on
 | ||
|   // other windows to be discarded during the grab.
 | ||
|   retval = gdk_pointer_grab(
 | ||
|       mGdkWindow, TRUE,
 | ||
|       (GdkEventMask)(GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
 | ||
|                      GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
 | ||
|                      GDK_POINTER_MOTION_MASK | GDK_TOUCH_MASK),
 | ||
|       (GdkWindow*)nullptr, nullptr, aTime);
 | ||
| 
 | ||
|   if (retval == GDK_GRAB_NOT_VIEWABLE) {
 | ||
|     LOG(("GrabPointer: window not viewable; will retry\n"));
 | ||
|     mRetryPointerGrab = true;
 | ||
|   } else if (retval != GDK_GRAB_SUCCESS) {
 | ||
|     LOG(("GrabPointer: pointer grab failed: %i\n", retval));
 | ||
|     // A failed grab indicates that another app has grabbed the pointer.
 | ||
|     // Check for rollup now, because, without the grab, we likely won't
 | ||
|     // get subsequent button press events. Do this with an event so that
 | ||
|     // popups don't rollup while potentially adjusting the grab for
 | ||
|     // this popup.
 | ||
|     nsCOMPtr<nsIRunnable> event =
 | ||
|         NewRunnableMethod("nsWindow::CheckForRollupDuringGrab", this,
 | ||
|                           &nsWindow::CheckForRollupDuringGrab);
 | ||
|     NS_DispatchToCurrentThread(event.forget());
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ReleaseGrabs(void) {
 | ||
|   LOG(("ReleaseGrabs\n"));
 | ||
| 
 | ||
|   mRetryPointerGrab = false;
 | ||
| 
 | ||
|   if (!mIsX11Display) {
 | ||
|     // Don't to the ungrab on Wayland as it causes a regression
 | ||
|     // from Bug 1377084.
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   gdk_pointer_ungrab(GDK_CURRENT_TIME);
 | ||
| }
 | ||
| 
 | ||
| GtkWidget* nsWindow::GetToplevelWidget() {
 | ||
|   if (mShell) {
 | ||
|     return mShell;
 | ||
|   }
 | ||
| 
 | ||
|   GtkWidget* widget = GetMozContainerWidget();
 | ||
|   if (!widget) return nullptr;
 | ||
| 
 | ||
|   return gtk_widget_get_toplevel(widget);
 | ||
| }
 | ||
| 
 | ||
| GtkWidget* nsWindow::GetMozContainerWidget() {
 | ||
|   if (!mGdkWindow) return nullptr;
 | ||
| 
 | ||
|   if (mContainer) return GTK_WIDGET(mContainer);
 | ||
| 
 | ||
|   GtkWidget* owningWidget = get_gtk_widget_for_gdk_window(mGdkWindow);
 | ||
|   return owningWidget;
 | ||
| }
 | ||
| 
 | ||
| nsWindow* nsWindow::GetContainerWindow() {
 | ||
|   GtkWidget* owningWidget = GetMozContainerWidget();
 | ||
|   if (!owningWidget) return nullptr;
 | ||
| 
 | ||
|   nsWindow* window = get_window_for_gtk_widget(owningWidget);
 | ||
|   NS_ASSERTION(window, "No nsWindow for container widget");
 | ||
|   return window;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetUrgencyHint(GtkWidget* top_window, bool state) {
 | ||
|   if (!top_window) return;
 | ||
| 
 | ||
|   gdk_window_set_urgency_hint(gtk_widget_get_window(top_window), state);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetDefaultIcon(void) { SetIcon(u"default"_ns); }
 | ||
| 
 | ||
| gint nsWindow::ConvertBorderStyles(nsBorderStyle aStyle) {
 | ||
|   gint w = 0;
 | ||
| 
 | ||
|   if (aStyle == eBorderStyle_default) return -1;
 | ||
| 
 | ||
|   // note that we don't handle eBorderStyle_close yet
 | ||
|   if (aStyle & eBorderStyle_all) w |= GDK_DECOR_ALL;
 | ||
|   if (aStyle & eBorderStyle_border) w |= GDK_DECOR_BORDER;
 | ||
|   if (aStyle & eBorderStyle_resizeh) w |= GDK_DECOR_RESIZEH;
 | ||
|   if (aStyle & eBorderStyle_title) w |= GDK_DECOR_TITLE;
 | ||
|   if (aStyle & eBorderStyle_menu) w |= GDK_DECOR_MENU;
 | ||
|   if (aStyle & eBorderStyle_minimize) w |= GDK_DECOR_MINIMIZE;
 | ||
|   if (aStyle & eBorderStyle_maximize) w |= GDK_DECOR_MAXIMIZE;
 | ||
| 
 | ||
|   return w;
 | ||
| }
 | ||
| 
 | ||
| class FullscreenTransitionWindow final : public nsISupports {
 | ||
|  public:
 | ||
|   NS_DECL_ISUPPORTS
 | ||
| 
 | ||
|   explicit FullscreenTransitionWindow(GtkWidget* aWidget);
 | ||
| 
 | ||
|   GtkWidget* mWindow;
 | ||
| 
 | ||
|  private:
 | ||
|   ~FullscreenTransitionWindow();
 | ||
| };
 | ||
| 
 | ||
| NS_IMPL_ISUPPORTS0(FullscreenTransitionWindow)
 | ||
| 
 | ||
| FullscreenTransitionWindow::FullscreenTransitionWindow(GtkWidget* aWidget) {
 | ||
|   mWindow = gtk_window_new(GTK_WINDOW_POPUP);
 | ||
|   GtkWindow* gtkWin = GTK_WINDOW(mWindow);
 | ||
| 
 | ||
|   gtk_window_set_type_hint(gtkWin, GDK_WINDOW_TYPE_HINT_SPLASHSCREEN);
 | ||
|   gtk_window_set_transient_for(gtkWin, GTK_WINDOW(aWidget));
 | ||
|   gtk_window_set_decorated(gtkWin, false);
 | ||
| 
 | ||
|   GdkWindow* gdkWin = gtk_widget_get_window(aWidget);
 | ||
|   GdkScreen* screen = gtk_widget_get_screen(aWidget);
 | ||
|   gint monitorNum = gdk_screen_get_monitor_at_window(screen, gdkWin);
 | ||
|   GdkRectangle monitorRect;
 | ||
|   gdk_screen_get_monitor_geometry(screen, monitorNum, &monitorRect);
 | ||
|   gtk_window_set_screen(gtkWin, screen);
 | ||
|   gtk_window_move(gtkWin, monitorRect.x, monitorRect.y);
 | ||
|   MOZ_ASSERT(monitorRect.width > 0 && monitorRect.height > 0,
 | ||
|              "Can't resize window smaller than 1x1.");
 | ||
|   gtk_window_resize(gtkWin, monitorRect.width, monitorRect.height);
 | ||
| 
 | ||
|   GdkColor bgColor;
 | ||
|   bgColor.red = bgColor.green = bgColor.blue = 0;
 | ||
|   gtk_widget_modify_bg(mWindow, GTK_STATE_NORMAL, &bgColor);
 | ||
| 
 | ||
|   gtk_window_set_opacity(gtkWin, 0.0);
 | ||
|   gtk_widget_show(mWindow);
 | ||
| }
 | ||
| 
 | ||
| FullscreenTransitionWindow::~FullscreenTransitionWindow() {
 | ||
|   gtk_widget_destroy(mWindow);
 | ||
| }
 | ||
| 
 | ||
| class FullscreenTransitionData {
 | ||
|  public:
 | ||
|   FullscreenTransitionData(nsIWidget::FullscreenTransitionStage aStage,
 | ||
|                            uint16_t aDuration, nsIRunnable* aCallback,
 | ||
|                            FullscreenTransitionWindow* aWindow)
 | ||
|       : mStage(aStage),
 | ||
|         mStartTime(TimeStamp::Now()),
 | ||
|         mDuration(TimeDuration::FromMilliseconds(aDuration)),
 | ||
|         mCallback(aCallback),
 | ||
|         mWindow(aWindow) {}
 | ||
| 
 | ||
|   static const guint sInterval = 1000 / 30;  // 30fps
 | ||
|   static gboolean TimeoutCallback(gpointer aData);
 | ||
| 
 | ||
|  private:
 | ||
|   nsIWidget::FullscreenTransitionStage mStage;
 | ||
|   TimeStamp mStartTime;
 | ||
|   TimeDuration mDuration;
 | ||
|   nsCOMPtr<nsIRunnable> mCallback;
 | ||
|   RefPtr<FullscreenTransitionWindow> mWindow;
 | ||
| };
 | ||
| 
 | ||
| /* static */
 | ||
| gboolean FullscreenTransitionData::TimeoutCallback(gpointer aData) {
 | ||
|   bool finishing = false;
 | ||
|   auto data = static_cast<FullscreenTransitionData*>(aData);
 | ||
|   gdouble opacity = (TimeStamp::Now() - data->mStartTime) / data->mDuration;
 | ||
|   if (opacity >= 1.0) {
 | ||
|     opacity = 1.0;
 | ||
|     finishing = true;
 | ||
|   }
 | ||
|   if (data->mStage == nsIWidget::eAfterFullscreenToggle) {
 | ||
|     opacity = 1.0 - opacity;
 | ||
|   }
 | ||
|   gtk_window_set_opacity(GTK_WINDOW(data->mWindow->mWindow), opacity);
 | ||
| 
 | ||
|   if (!finishing) {
 | ||
|     return TRUE;
 | ||
|   }
 | ||
|   NS_DispatchToMainThread(data->mCallback.forget());
 | ||
|   delete data;
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| /* virtual */
 | ||
| bool nsWindow::PrepareForFullscreenTransition(nsISupports** aData) {
 | ||
|   if (!mCompositedScreen) {
 | ||
|     return false;
 | ||
|   }
 | ||
|   *aData = do_AddRef(new FullscreenTransitionWindow(mShell)).take();
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| /* virtual */
 | ||
| void nsWindow::PerformFullscreenTransition(FullscreenTransitionStage aStage,
 | ||
|                                            uint16_t aDuration,
 | ||
|                                            nsISupports* aData,
 | ||
|                                            nsIRunnable* aCallback) {
 | ||
|   auto data = static_cast<FullscreenTransitionWindow*>(aData);
 | ||
|   // This will be released at the end of the last timeout callback for it.
 | ||
|   auto transitionData =
 | ||
|       new FullscreenTransitionData(aStage, aDuration, aCallback, data);
 | ||
|   g_timeout_add_full(G_PRIORITY_HIGH, FullscreenTransitionData::sInterval,
 | ||
|                      FullscreenTransitionData::TimeoutCallback, transitionData,
 | ||
|                      nullptr);
 | ||
| }
 | ||
| 
 | ||
| already_AddRefed<nsIScreen> nsWindow::GetWidgetScreen() {
 | ||
|   nsCOMPtr<nsIScreenManager> screenManager;
 | ||
|   screenManager = do_GetService("@mozilla.org/gfx/screenmanager;1");
 | ||
|   if (!screenManager) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
| 
 | ||
|   // GetScreenBounds() is slow for the GTK port so we override and use
 | ||
|   // mBounds directly.
 | ||
|   LayoutDeviceIntRect bounds = mBounds;
 | ||
|   if (!mIsTopLevel) {
 | ||
|     bounds.MoveTo(WidgetToScreenOffset());
 | ||
|   }
 | ||
| 
 | ||
|   DesktopIntRect deskBounds = RoundedToInt(bounds / GetDesktopToDeviceScale());
 | ||
|   nsCOMPtr<nsIScreen> screen;
 | ||
|   screenManager->ScreenForRect(deskBounds.x, deskBounds.y, deskBounds.width,
 | ||
|                                deskBounds.height, getter_AddRefs(screen));
 | ||
|   return screen.forget();
 | ||
| }
 | ||
| 
 | ||
| RefPtr<VsyncSource> nsWindow::GetVsyncSource() {
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|   if (mWaylandVsyncSource) {
 | ||
|     return mWaylandVsyncSource;
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   return nullptr;
 | ||
| }
 | ||
| 
 | ||
| static bool IsFullscreenSupported(GtkWidget* aShell) {
 | ||
| #ifdef MOZ_X11
 | ||
|   GdkScreen* screen = gtk_widget_get_screen(aShell);
 | ||
|   GdkAtom atom = gdk_atom_intern("_NET_WM_STATE_FULLSCREEN", FALSE);
 | ||
|   if (!gdk_x11_screen_supports_net_wm_hint(screen, atom)) {
 | ||
|     return false;
 | ||
|   }
 | ||
| #endif
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::MakeFullScreen(bool aFullScreen, nsIScreen* aTargetScreen) {
 | ||
|   LOG(("nsWindow::MakeFullScreen [%p] aFullScreen %d\n", (void*)this,
 | ||
|        aFullScreen));
 | ||
| 
 | ||
|   if (mIsX11Display && !IsFullscreenSupported(mShell)) {
 | ||
|     return NS_ERROR_NOT_AVAILABLE;
 | ||
|   }
 | ||
| 
 | ||
|   bool wasFullscreen = mSizeState == nsSizeMode_Fullscreen;
 | ||
|   if (aFullScreen != wasFullscreen && mWidgetListener) {
 | ||
|     mWidgetListener->FullscreenWillChange(aFullScreen);
 | ||
|   }
 | ||
| 
 | ||
|   if (aFullScreen) {
 | ||
|     if (mSizeMode != nsSizeMode_Fullscreen) mLastSizeMode = mSizeMode;
 | ||
| 
 | ||
|     mSizeMode = nsSizeMode_Fullscreen;
 | ||
| 
 | ||
|     if (mIsPIPWindow) {
 | ||
|       gtk_window_set_type_hint(GTK_WINDOW(mShell), GDK_WINDOW_TYPE_HINT_NORMAL);
 | ||
|       if (gUseAspectRatio) {
 | ||
|         mAspectRatioSaved = mAspectRatio;
 | ||
|         mAspectRatio = 0.0f;
 | ||
|         ApplySizeConstraints();
 | ||
|       }
 | ||
|     }
 | ||
| 
 | ||
|     gtk_window_fullscreen(GTK_WINDOW(mShell));
 | ||
|   } else {
 | ||
|     mSizeMode = mLastSizeMode;
 | ||
|     gtk_window_unfullscreen(GTK_WINDOW(mShell));
 | ||
| 
 | ||
|     if (mIsPIPWindow) {
 | ||
|       gtk_window_set_type_hint(GTK_WINDOW(mShell),
 | ||
|                                GDK_WINDOW_TYPE_HINT_UTILITY);
 | ||
|       if (gUseAspectRatio) {
 | ||
|         mAspectRatio = mAspectRatioSaved;
 | ||
|         // ApplySizeConstraints();
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   NS_ASSERTION(mLastSizeMode != nsSizeMode_Fullscreen,
 | ||
|                "mLastSizeMode should never be fullscreen");
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetWindowDecoration(nsBorderStyle aStyle) {
 | ||
|   LOG(("nsWindow::SetWindowDecoration() [%p] Border style %x\n", (void*)this,
 | ||
|        aStyle));
 | ||
| 
 | ||
|   if (!mShell) {
 | ||
|     // Pass the request to the toplevel window
 | ||
|     GtkWidget* topWidget = GetToplevelWidget();
 | ||
|     if (!topWidget) return;
 | ||
| 
 | ||
|     nsWindow* topWindow = get_window_for_gtk_widget(topWidget);
 | ||
|     if (!topWindow) return;
 | ||
| 
 | ||
|     topWindow->SetWindowDecoration(aStyle);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // We can't use mGdkWindow directly here as it can be
 | ||
|   // derived from mContainer which is not a top-level GdkWindow.
 | ||
|   GdkWindow* window = gtk_widget_get_window(mShell);
 | ||
| 
 | ||
|   // Sawfish, metacity, and presumably other window managers get
 | ||
|   // confused if we change the window decorations while the window
 | ||
|   // is visible.
 | ||
|   bool wasVisible = false;
 | ||
|   if (gdk_window_is_visible(window)) {
 | ||
|     gdk_window_hide(window);
 | ||
|     wasVisible = true;
 | ||
|   }
 | ||
| 
 | ||
|   gint wmd = ConvertBorderStyles(aStyle);
 | ||
|   if (wmd != -1) gdk_window_set_decorations(window, (GdkWMDecoration)wmd);
 | ||
| 
 | ||
|   if (wasVisible) gdk_window_show(window);
 | ||
| 
 | ||
|     // For some window managers, adding or removing window decorations
 | ||
|     // requires unmapping and remapping our toplevel window.  Go ahead
 | ||
|     // and flush the queue here so that we don't end up with a BadWindow
 | ||
|     // error later when this happens (when the persistence timer fires
 | ||
|     // and GetWindowPos is called)
 | ||
| #ifdef MOZ_X11
 | ||
|   if (mIsX11Display) {
 | ||
|     XSync(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), X11False);
 | ||
|   } else
 | ||
| #endif /* MOZ_X11 */
 | ||
|   {
 | ||
|     gdk_flush();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::HideWindowChrome(bool aShouldHide) {
 | ||
|   SetWindowDecoration(aShouldHide ? eBorderStyle_none : mBorderStyle);
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::CheckForRollup(gdouble aMouseX, gdouble aMouseY, bool aIsWheel,
 | ||
|                               bool aAlwaysRollup) {
 | ||
|   nsIRollupListener* rollupListener = GetActiveRollupListener();
 | ||
|   nsCOMPtr<nsIWidget> rollupWidget;
 | ||
|   if (rollupListener) {
 | ||
|     rollupWidget = rollupListener->GetRollupWidget();
 | ||
|   }
 | ||
|   if (!rollupWidget) {
 | ||
|     nsBaseWidget::gRollupListener = nullptr;
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   bool retVal = false;
 | ||
|   auto* currentPopup =
 | ||
|       (GdkWindow*)rollupWidget->GetNativeData(NS_NATIVE_WINDOW);
 | ||
|   if (aAlwaysRollup || !is_mouse_in_window(currentPopup, aMouseX, aMouseY)) {
 | ||
|     bool rollup = true;
 | ||
|     if (aIsWheel) {
 | ||
|       rollup = rollupListener->ShouldRollupOnMouseWheelEvent();
 | ||
|       retVal = rollupListener->ShouldConsumeOnMouseWheelEvent();
 | ||
|     }
 | ||
|     // if we're dealing with menus, we probably have submenus and
 | ||
|     // we don't want to rollup if the click is in a parent menu of
 | ||
|     // the current submenu
 | ||
|     uint32_t popupsToRollup = UINT32_MAX;
 | ||
|     if (!aAlwaysRollup) {
 | ||
|       AutoTArray<nsIWidget*, 5> widgetChain;
 | ||
|       uint32_t sameTypeCount =
 | ||
|           rollupListener->GetSubmenuWidgetChain(&widgetChain);
 | ||
|       for (unsigned long i = 0; i < widgetChain.Length(); ++i) {
 | ||
|         nsIWidget* widget = widgetChain[i];
 | ||
|         auto* currWindow = (GdkWindow*)widget->GetNativeData(NS_NATIVE_WINDOW);
 | ||
|         if (is_mouse_in_window(currWindow, aMouseX, aMouseY)) {
 | ||
|           // don't roll up if the mouse event occurred within a
 | ||
|           // menu of the same type. If the mouse event occurred
 | ||
|           // in a menu higher than that, roll up, but pass the
 | ||
|           // number of popups to Rollup so that only those of the
 | ||
|           // same type close up.
 | ||
|           if (i < sameTypeCount) {
 | ||
|             rollup = false;
 | ||
|           } else {
 | ||
|             popupsToRollup = sameTypeCount;
 | ||
|           }
 | ||
|           break;
 | ||
|         }
 | ||
|       }  // foreach parent menu widget
 | ||
|     }    // if rollup listener knows about menus
 | ||
| 
 | ||
|     // if we've determined that we should still rollup, do it.
 | ||
|     bool usePoint = !aIsWheel && !aAlwaysRollup;
 | ||
|     IntPoint point;
 | ||
|     if (usePoint) {
 | ||
|       LayoutDeviceIntPoint p = GdkEventCoordsToDevicePixels(aMouseX, aMouseY);
 | ||
|       point = p.ToUnknownPoint();
 | ||
|     }
 | ||
|     if (rollup &&
 | ||
|         rollupListener->Rollup(popupsToRollup, true,
 | ||
|                                usePoint ? &point : nullptr, nullptr)) {
 | ||
|       retVal = true;
 | ||
|     }
 | ||
|   }
 | ||
|   return retVal;
 | ||
| }
 | ||
| 
 | ||
| /* static */
 | ||
| bool nsWindow::DragInProgress(void) {
 | ||
|   nsCOMPtr<nsIDragService> dragService = do_GetService(kCDragServiceCID);
 | ||
|   if (!dragService) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   nsCOMPtr<nsIDragSession> currentDragSession;
 | ||
|   dragService->GetCurrentSession(getter_AddRefs(currentDragSession));
 | ||
| 
 | ||
|   return currentDragSession != nullptr;
 | ||
| }
 | ||
| 
 | ||
| // This is an ugly workaround for
 | ||
| // https://bugzilla.mozilla.org/show_bug.cgi?id=1622107
 | ||
| // We try to detect when Wayland compositor / gtk fails to deliver
 | ||
| // info about finished D&D operations and cancel it on our own.
 | ||
| MOZ_CAN_RUN_SCRIPT static void WaylandDragWorkaround(GdkEventButton* aEvent) {
 | ||
|   static int buttonPressCountWithDrag = 0;
 | ||
| 
 | ||
|   // We track only left button state as Firefox performs D&D on left
 | ||
|   // button only.
 | ||
|   if (aEvent->button != 1 || aEvent->type != GDK_BUTTON_PRESS) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   nsCOMPtr<nsIDragService> dragService = do_GetService(kCDragServiceCID);
 | ||
|   if (!dragService) {
 | ||
|     return;
 | ||
|   }
 | ||
|   nsCOMPtr<nsIDragSession> currentDragSession;
 | ||
|   dragService->GetCurrentSession(getter_AddRefs(currentDragSession));
 | ||
| 
 | ||
|   if (currentDragSession != nullptr) {
 | ||
|     buttonPressCountWithDrag++;
 | ||
|     if (buttonPressCountWithDrag > 1) {
 | ||
|       NS_WARNING(
 | ||
|           "Quit unfinished Wayland Drag and Drop operation. Buggy Wayland "
 | ||
|           "compositor?");
 | ||
|       buttonPressCountWithDrag = 0;
 | ||
|       dragService->EndDragSession(false, 0);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| static bool is_mouse_in_window(GdkWindow* aWindow, gdouble aMouseX,
 | ||
|                                gdouble aMouseY) {
 | ||
|   gint x = 0;
 | ||
|   gint y = 0;
 | ||
|   gint w, h;
 | ||
| 
 | ||
|   gint offsetX = 0;
 | ||
|   gint offsetY = 0;
 | ||
| 
 | ||
|   GdkWindow* window = aWindow;
 | ||
| 
 | ||
|   while (window) {
 | ||
|     gint tmpX = 0;
 | ||
|     gint tmpY = 0;
 | ||
| 
 | ||
|     gdk_window_get_position(window, &tmpX, &tmpY);
 | ||
|     GtkWidget* widget = get_gtk_widget_for_gdk_window(window);
 | ||
| 
 | ||
|     // if this is a window, compute x and y given its origin and our
 | ||
|     // offset
 | ||
|     if (GTK_IS_WINDOW(widget)) {
 | ||
|       x = tmpX + offsetX;
 | ||
|       y = tmpY + offsetY;
 | ||
|       break;
 | ||
|     }
 | ||
| 
 | ||
|     offsetX += tmpX;
 | ||
|     offsetY += tmpY;
 | ||
|     window = gdk_window_get_parent(window);
 | ||
|   }
 | ||
| 
 | ||
|   w = gdk_window_get_width(aWindow);
 | ||
|   h = gdk_window_get_height(aWindow);
 | ||
| 
 | ||
|   if (aMouseX > x && aMouseX < x + w && aMouseY > y && aMouseY < y + h)
 | ||
|     return true;
 | ||
| 
 | ||
|   return false;
 | ||
| }
 | ||
| 
 | ||
| static nsWindow* get_window_for_gtk_widget(GtkWidget* widget) {
 | ||
|   gpointer user_data = g_object_get_data(G_OBJECT(widget), "nsWindow");
 | ||
| 
 | ||
|   return static_cast<nsWindow*>(user_data);
 | ||
| }
 | ||
| 
 | ||
| static nsWindow* get_window_for_gdk_window(GdkWindow* window) {
 | ||
|   gpointer user_data = g_object_get_data(G_OBJECT(window), "nsWindow");
 | ||
| 
 | ||
|   return static_cast<nsWindow*>(user_data);
 | ||
| }
 | ||
| 
 | ||
| static GtkWidget* get_gtk_widget_for_gdk_window(GdkWindow* window) {
 | ||
|   gpointer user_data = nullptr;
 | ||
|   gdk_window_get_user_data(window, &user_data);
 | ||
| 
 | ||
|   return GTK_WIDGET(user_data);
 | ||
| }
 | ||
| 
 | ||
| static GdkCursor* get_gtk_cursor(nsCursor aCursor) {
 | ||
|   GdkCursor* gdkcursor = nullptr;
 | ||
|   uint8_t newType = 0xff;
 | ||
| 
 | ||
|   if ((gdkcursor = gCursorCache[aCursor])) {
 | ||
|     return gdkcursor;
 | ||
|   }
 | ||
| 
 | ||
|   GdkDisplay* defaultDisplay = gdk_display_get_default();
 | ||
| 
 | ||
|   // The strategy here is to use standard GDK cursors, and, if not available,
 | ||
|   // load by standard name with gdk_cursor_new_from_name.
 | ||
|   // Spec is here: http://www.freedesktop.org/wiki/Specifications/cursor-spec/
 | ||
|   switch (aCursor) {
 | ||
|     case eCursor_standard:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_LEFT_PTR);
 | ||
|       break;
 | ||
|     case eCursor_wait:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_WATCH);
 | ||
|       break;
 | ||
|     case eCursor_select:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_XTERM);
 | ||
|       break;
 | ||
|     case eCursor_hyperlink:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_HAND2);
 | ||
|       break;
 | ||
|     case eCursor_n_resize:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_TOP_SIDE);
 | ||
|       break;
 | ||
|     case eCursor_s_resize:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_BOTTOM_SIDE);
 | ||
|       break;
 | ||
|     case eCursor_w_resize:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_LEFT_SIDE);
 | ||
|       break;
 | ||
|     case eCursor_e_resize:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_RIGHT_SIDE);
 | ||
|       break;
 | ||
|     case eCursor_nw_resize:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_TOP_LEFT_CORNER);
 | ||
|       break;
 | ||
|     case eCursor_se_resize:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_BOTTOM_RIGHT_CORNER);
 | ||
|       break;
 | ||
|     case eCursor_ne_resize:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_TOP_RIGHT_CORNER);
 | ||
|       break;
 | ||
|     case eCursor_sw_resize:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_BOTTOM_LEFT_CORNER);
 | ||
|       break;
 | ||
|     case eCursor_crosshair:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_CROSSHAIR);
 | ||
|       break;
 | ||
|     case eCursor_move:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_FLEUR);
 | ||
|       break;
 | ||
|     case eCursor_help:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_QUESTION_ARROW);
 | ||
|       break;
 | ||
|     case eCursor_copy:  // CSS3
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "copy");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_COPY;
 | ||
|       break;
 | ||
|     case eCursor_alias:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "alias");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_ALIAS;
 | ||
|       break;
 | ||
|     case eCursor_context_menu:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "context-menu");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_CONTEXT_MENU;
 | ||
|       break;
 | ||
|     case eCursor_cell:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_PLUS);
 | ||
|       break;
 | ||
|     // Those two aren’t standardized. Trying both KDE’s and GNOME’s names
 | ||
|     case eCursor_grab:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "openhand");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_HAND_GRAB;
 | ||
|       break;
 | ||
|     case eCursor_grabbing:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "closedhand");
 | ||
|       if (!gdkcursor)
 | ||
|         gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "grabbing");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_HAND_GRABBING;
 | ||
|       break;
 | ||
|     case eCursor_spinning:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "progress");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_SPINNING;
 | ||
|       break;
 | ||
|     case eCursor_zoom_in:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "zoom-in");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_ZOOM_IN;
 | ||
|       break;
 | ||
|     case eCursor_zoom_out:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "zoom-out");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_ZOOM_OUT;
 | ||
|       break;
 | ||
|     case eCursor_not_allowed:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "not-allowed");
 | ||
|       if (!gdkcursor)  // nonstandard, yet common
 | ||
|         gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "crossed_circle");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_NOT_ALLOWED;
 | ||
|       break;
 | ||
|     case eCursor_no_drop:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "no-drop");
 | ||
|       if (!gdkcursor)  // this nonstandard sequence makes it work on KDE and
 | ||
|                        // GNOME
 | ||
|         gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "forbidden");
 | ||
|       if (!gdkcursor)
 | ||
|         gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "circle");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_NOT_ALLOWED;
 | ||
|       break;
 | ||
|     case eCursor_vertical_text:
 | ||
|       newType = MOZ_CURSOR_VERTICAL_TEXT;
 | ||
|       break;
 | ||
|     case eCursor_all_scroll:
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_FLEUR);
 | ||
|       break;
 | ||
|     case eCursor_nesw_resize:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "size_bdiag");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_NESW_RESIZE;
 | ||
|       break;
 | ||
|     case eCursor_nwse_resize:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "size_fdiag");
 | ||
|       if (!gdkcursor) newType = MOZ_CURSOR_NWSE_RESIZE;
 | ||
|       break;
 | ||
|     case eCursor_ns_resize:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_SB_V_DOUBLE_ARROW);
 | ||
|       break;
 | ||
|     case eCursor_ew_resize:
 | ||
|       gdkcursor =
 | ||
|           gdk_cursor_new_for_display(defaultDisplay, GDK_SB_H_DOUBLE_ARROW);
 | ||
|       break;
 | ||
|     // Here, two better fitting cursors exist in some cursor themes. Try those
 | ||
|     // first
 | ||
|     case eCursor_row_resize:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "split_v");
 | ||
|       if (!gdkcursor)
 | ||
|         gdkcursor =
 | ||
|             gdk_cursor_new_for_display(defaultDisplay, GDK_SB_V_DOUBLE_ARROW);
 | ||
|       break;
 | ||
|     case eCursor_col_resize:
 | ||
|       gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "split_h");
 | ||
|       if (!gdkcursor)
 | ||
|         gdkcursor =
 | ||
|             gdk_cursor_new_for_display(defaultDisplay, GDK_SB_H_DOUBLE_ARROW);
 | ||
|       break;
 | ||
|     case eCursor_none:
 | ||
|       newType = MOZ_CURSOR_NONE;
 | ||
|       break;
 | ||
|     default:
 | ||
|       NS_ASSERTION(aCursor, "Invalid cursor type");
 | ||
|       gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_LEFT_PTR);
 | ||
|       break;
 | ||
|   }
 | ||
| 
 | ||
|   // If by now we don't have a xcursor, this means we have to make a custom
 | ||
|   // one. First, we try creating a named cursor based on the hash of our
 | ||
|   // custom bitmap, as libXcursor has some magic to convert bitmapped cursors
 | ||
|   // to themed cursors
 | ||
|   if (newType != 0xFF && GtkCursors[newType].hash) {
 | ||
|     gdkcursor =
 | ||
|         gdk_cursor_new_from_name(defaultDisplay, GtkCursors[newType].hash);
 | ||
|   }
 | ||
| 
 | ||
|   // If we still don't have a xcursor, we now really create a bitmap cursor
 | ||
|   if (newType != 0xff && !gdkcursor) {
 | ||
|     GdkPixbuf* cursor_pixbuf =
 | ||
|         gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 32, 32);
 | ||
|     if (!cursor_pixbuf) return nullptr;
 | ||
| 
 | ||
|     guchar* data = gdk_pixbuf_get_pixels(cursor_pixbuf);
 | ||
| 
 | ||
|     // Read data from GtkCursors and compose RGBA surface from 1bit bitmap and
 | ||
|     // mask GtkCursors bits and mask are 32x32 monochrome bitmaps (1 bit for
 | ||
|     // each pixel) so it's 128 byte array (4 bytes for are one bitmap row and
 | ||
|     // there are 32 rows here).
 | ||
|     const unsigned char* bits = GtkCursors[newType].bits;
 | ||
|     const unsigned char* mask_bits = GtkCursors[newType].mask_bits;
 | ||
| 
 | ||
|     for (int i = 0; i < 128; i++) {
 | ||
|       char bit = *bits++;
 | ||
|       char mask = *mask_bits++;
 | ||
|       for (int j = 0; j < 8; j++) {
 | ||
|         unsigned char pix = ~(((bit >> j) & 0x01) * 0xff);
 | ||
|         *data++ = pix;
 | ||
|         *data++ = pix;
 | ||
|         *data++ = pix;
 | ||
|         *data++ = (((mask >> j) & 0x01) * 0xff);
 | ||
|       }
 | ||
|     }
 | ||
| 
 | ||
|     gdkcursor = gdk_cursor_new_from_pixbuf(
 | ||
|         gdk_display_get_default(), cursor_pixbuf, GtkCursors[newType].hot_x,
 | ||
|         GtkCursors[newType].hot_y);
 | ||
| 
 | ||
|     g_object_unref(cursor_pixbuf);
 | ||
|   }
 | ||
| 
 | ||
|   gCursorCache[aCursor] = gdkcursor;
 | ||
| 
 | ||
|   return gdkcursor;
 | ||
| }
 | ||
| 
 | ||
| // gtk callbacks
 | ||
| 
 | ||
| void draw_window_of_widget(GtkWidget* widget, GdkWindow* aWindow, cairo_t* cr) {
 | ||
|   if (gtk_cairo_should_draw_window(cr, aWindow)) {
 | ||
|     RefPtr<nsWindow> window = get_window_for_gdk_window(aWindow);
 | ||
|     if (!window) {
 | ||
|       NS_WARNING("Cannot get nsWindow from GtkWidget");
 | ||
|     } else {
 | ||
|       cairo_save(cr);
 | ||
|       gtk_cairo_transform_to_window(cr, widget, aWindow);
 | ||
|       // TODO - window->OnExposeEvent() can destroy this or other windows,
 | ||
|       // do we need to handle it somehow?
 | ||
|       window->OnExposeEvent(cr);
 | ||
|       cairo_restore(cr);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   GList* children = gdk_window_get_children(aWindow);
 | ||
|   GList* child = children;
 | ||
|   while (child) {
 | ||
|     GdkWindow* window = GDK_WINDOW(child->data);
 | ||
|     gpointer windowWidget;
 | ||
|     gdk_window_get_user_data(window, &windowWidget);
 | ||
|     if (windowWidget == widget) {
 | ||
|       draw_window_of_widget(widget, window, cr);
 | ||
|     }
 | ||
|     child = g_list_next(child);
 | ||
|   }
 | ||
|   g_list_free(children);
 | ||
| }
 | ||
| 
 | ||
| /* static */
 | ||
| gboolean expose_event_cb(GtkWidget* widget, cairo_t* cr) {
 | ||
|   draw_window_of_widget(widget, gtk_widget_get_window(widget), cr);
 | ||
| 
 | ||
|   // A strong reference is already held during "draw" signal emission,
 | ||
|   // but GTK+ 3.4 wants the object to live a little longer than that
 | ||
|   // (bug 1225970).
 | ||
|   g_object_ref(widget);
 | ||
|   g_idle_add(
 | ||
|       [](gpointer data) -> gboolean {
 | ||
|         g_object_unref(data);
 | ||
|         return G_SOURCE_REMOVE;
 | ||
|       },
 | ||
|       widget);
 | ||
| 
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean configure_event_cb(GtkWidget* widget,
 | ||
|                                    GdkEventConfigure* event) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   return window->OnConfigureEvent(widget, event);
 | ||
| }
 | ||
| 
 | ||
| static void container_unrealize_cb(GtkWidget* widget) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   window->OnContainerUnrealize();
 | ||
| }
 | ||
| 
 | ||
| static void size_allocate_cb(GtkWidget* widget, GtkAllocation* allocation) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   window->OnSizeAllocate(allocation);
 | ||
| }
 | ||
| 
 | ||
| static void toplevel_window_size_allocate_cb(GtkWidget* widget,
 | ||
|                                              GtkAllocation* allocation) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   window->UpdateTopLevelOpaqueRegion();
 | ||
| }
 | ||
| 
 | ||
| static gboolean delete_event_cb(GtkWidget* widget, GdkEventAny* event) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   window->OnDeleteEvent();
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean enter_notify_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventCrossing* event) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gdk_window(event->window);
 | ||
|   if (!window) {
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|   window->OnEnterNotifyEvent(event);
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean leave_notify_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventCrossing* event) {
 | ||
|   if (is_parent_grab_leave(event)) {
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|   // bug 369599: Suppress LeaveNotify events caused by pointer grabs to
 | ||
|   // avoid generating spurious mouse exit events.
 | ||
|   auto x = gint(event->x_root);
 | ||
|   auto y = gint(event->y_root);
 | ||
|   GdkDisplay* display = gtk_widget_get_display(widget);
 | ||
|   GdkWindow* winAtPt = gdk_display_get_window_at_pointer(display, &x, &y);
 | ||
|   if (winAtPt == event->window) {
 | ||
|     return TRUE;
 | ||
|   }
 | ||
| 
 | ||
|   RefPtr<nsWindow> window = get_window_for_gdk_window(event->window);
 | ||
|   if (!window) return TRUE;
 | ||
| 
 | ||
|   window->OnLeaveNotifyEvent(event);
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static nsWindow* GetFirstNSWindowForGDKWindow(GdkWindow* aGdkWindow) {
 | ||
|   nsWindow* window;
 | ||
|   while (!(window = get_window_for_gdk_window(aGdkWindow))) {
 | ||
|     // The event has bubbled to the moz_container widget as passed into each
 | ||
|     // caller's *widget parameter, but its corresponding nsWindow is an ancestor
 | ||
|     // of the window that we need.  Instead, look at event->window and find the
 | ||
|     // first ancestor nsWindow of it because event->window may be in a plugin.
 | ||
|     aGdkWindow = gdk_window_get_parent(aGdkWindow);
 | ||
|     if (!aGdkWindow) {
 | ||
|       window = nullptr;
 | ||
|       break;
 | ||
|     }
 | ||
|   }
 | ||
|   return window;
 | ||
| }
 | ||
| 
 | ||
| static gboolean motion_notify_event_cb(GtkWidget* widget,
 | ||
|                                        GdkEventMotion* event) {
 | ||
|   UpdateLastInputEventTime(event);
 | ||
| 
 | ||
|   nsWindow* window = GetFirstNSWindowForGDKWindow(event->window);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnMotionNotifyEvent(event);
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean button_press_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventButton* event) {
 | ||
|   UpdateLastInputEventTime(event);
 | ||
| 
 | ||
|   nsWindow* window = GetFirstNSWindowForGDKWindow(event->window);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnButtonPressEvent(event);
 | ||
| 
 | ||
|   if (gfxPlatformGtk::GetPlatform()->IsWaylandDisplay()) {
 | ||
|     WaylandDragWorkaround(event);
 | ||
|   }
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean button_release_event_cb(GtkWidget* widget,
 | ||
|                                         GdkEventButton* event) {
 | ||
|   UpdateLastInputEventTime(event);
 | ||
| 
 | ||
|   nsWindow* window = GetFirstNSWindowForGDKWindow(event->window);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnButtonReleaseEvent(event);
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean focus_in_event_cb(GtkWidget* widget, GdkEventFocus* event) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnContainerFocusInEvent(event);
 | ||
| 
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| static gboolean focus_out_event_cb(GtkWidget* widget, GdkEventFocus* event) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnContainerFocusOutEvent(event);
 | ||
| 
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
| // For long-lived popup windows that don't really take focus themselves but
 | ||
| // may have elements that accept keyboard input when the parent window is
 | ||
| // active, focus is handled specially.  These windows include noautohide
 | ||
| // panels.  (This special handling is not necessary for temporary popups where
 | ||
| // the keyboard is grabbed.)
 | ||
| //
 | ||
| // Mousing over or clicking on these windows should not cause them to steal
 | ||
| // focus from their parent windows, so, the input field of WM_HINTS is set to
 | ||
| // False to request that the window manager not set the input focus to this
 | ||
| // window.  http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.7
 | ||
| //
 | ||
| // However, these windows can still receive WM_TAKE_FOCUS messages from the
 | ||
| // window manager, so they can still detect when the user has indicated that
 | ||
| // they wish to direct keyboard input at these windows.  When the window
 | ||
| // manager offers focus to these windows (after a mouse over or click, for
 | ||
| // example), a request to make the parent window active is issued.  When the
 | ||
| // parent window becomes active, keyboard events will be received.
 | ||
| 
 | ||
| static GdkFilterReturn popup_take_focus_filter(GdkXEvent* gdk_xevent,
 | ||
|                                                GdkEvent* event, gpointer data) {
 | ||
|   auto* xevent = static_cast<XEvent*>(gdk_xevent);
 | ||
|   if (xevent->type != ClientMessage) return GDK_FILTER_CONTINUE;
 | ||
| 
 | ||
|   XClientMessageEvent& xclient = xevent->xclient;
 | ||
|   if (xclient.message_type != gdk_x11_get_xatom_by_name("WM_PROTOCOLS"))
 | ||
|     return GDK_FILTER_CONTINUE;
 | ||
| 
 | ||
|   Atom atom = xclient.data.l[0];
 | ||
|   if (atom != gdk_x11_get_xatom_by_name("WM_TAKE_FOCUS"))
 | ||
|     return GDK_FILTER_CONTINUE;
 | ||
| 
 | ||
|   guint32 timestamp = xclient.data.l[1];
 | ||
| 
 | ||
|   GtkWidget* widget = get_gtk_widget_for_gdk_window(event->any.window);
 | ||
|   if (!widget) return GDK_FILTER_CONTINUE;
 | ||
| 
 | ||
|   GtkWindow* parent = gtk_window_get_transient_for(GTK_WINDOW(widget));
 | ||
|   if (!parent) return GDK_FILTER_CONTINUE;
 | ||
| 
 | ||
|   if (gtk_window_is_active(parent))
 | ||
|     return GDK_FILTER_REMOVE;  // leave input focus on the parent
 | ||
| 
 | ||
|   GdkWindow* parent_window = gtk_widget_get_window(GTK_WIDGET(parent));
 | ||
|   if (!parent_window) return GDK_FILTER_CONTINUE;
 | ||
| 
 | ||
|   // In case the parent has not been deconified.
 | ||
|   gdk_window_show_unraised(parent_window);
 | ||
| 
 | ||
|   // Request focus on the parent window.
 | ||
|   // Use gdk_window_focus rather than gtk_window_present to avoid
 | ||
|   // raising the parent window.
 | ||
|   gdk_window_focus(parent_window, timestamp);
 | ||
|   return GDK_FILTER_REMOVE;
 | ||
| }
 | ||
| #endif /* MOZ_X11 */
 | ||
| 
 | ||
| static gboolean key_press_event_cb(GtkWidget* widget, GdkEventKey* event) {
 | ||
|   LOG(("key_press_event_cb\n"));
 | ||
| 
 | ||
|   UpdateLastInputEventTime(event);
 | ||
| 
 | ||
|   // find the window with focus and dispatch this event to that widget
 | ||
|   nsWindow* window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   RefPtr<nsWindow> focusWindow = gFocusWindow ? gFocusWindow : window;
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
|   // Keyboard repeat can cause key press events to queue up when there are
 | ||
|   // slow event handlers (bug 301029).  Throttle these events by removing
 | ||
|   // consecutive pending duplicate KeyPress events to the same window.
 | ||
|   // We use the event time of the last one.
 | ||
|   // Note: GDK calls XkbSetDetectableAutorepeat so that KeyRelease events
 | ||
|   // are generated only when the key is physically released.
 | ||
| #  define NS_GDKEVENT_MATCH_MASK 0x1FFF  // GDK_SHIFT_MASK .. GDK_BUTTON5_MASK
 | ||
|   // Our headers undefine X11 KeyPress - let's redefine it here.
 | ||
| #  ifndef KeyPress
 | ||
| #    define KeyPress 2
 | ||
| #  endif
 | ||
|   GdkDisplay* gdkDisplay = gtk_widget_get_display(widget);
 | ||
|   if (GdkIsX11Display(gdkDisplay)) {
 | ||
|     Display* dpy = GDK_DISPLAY_XDISPLAY(gdkDisplay);
 | ||
|     while (XPending(dpy)) {
 | ||
|       XEvent next_event;
 | ||
|       XPeekEvent(dpy, &next_event);
 | ||
|       GdkWindow* nextGdkWindow =
 | ||
|           gdk_x11_window_lookup_for_display(gdkDisplay, next_event.xany.window);
 | ||
|       if (nextGdkWindow != event->window || next_event.type != KeyPress ||
 | ||
|           next_event.xkey.keycode != event->hardware_keycode ||
 | ||
|           next_event.xkey.state != (event->state & NS_GDKEVENT_MATCH_MASK)) {
 | ||
|         break;
 | ||
|       }
 | ||
|       XNextEvent(dpy, &next_event);
 | ||
|       event->time = next_event.xkey.time;
 | ||
|     }
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   return focusWindow->OnKeyPressEvent(event);
 | ||
| }
 | ||
| 
 | ||
| static gboolean key_release_event_cb(GtkWidget* widget, GdkEventKey* event) {
 | ||
|   LOG(("key_release_event_cb\n"));
 | ||
| 
 | ||
|   UpdateLastInputEventTime(event);
 | ||
| 
 | ||
|   // find the window with focus and dispatch this event to that widget
 | ||
|   nsWindow* window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   RefPtr<nsWindow> focusWindow = gFocusWindow ? gFocusWindow : window;
 | ||
| 
 | ||
|   return focusWindow->OnKeyReleaseEvent(event);
 | ||
| }
 | ||
| 
 | ||
| static gboolean property_notify_event_cb(GtkWidget* aWidget,
 | ||
|                                          GdkEventProperty* aEvent) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gdk_window(aEvent->window);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   return window->OnPropertyNotifyEvent(aWidget, aEvent);
 | ||
| }
 | ||
| 
 | ||
| static gboolean scroll_event_cb(GtkWidget* widget, GdkEventScroll* event) {
 | ||
|   nsWindow* window = GetFirstNSWindowForGDKWindow(event->window);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnScrollEvent(event);
 | ||
| 
 | ||
|   return TRUE;
 | ||
| }
 | ||
| 
 | ||
| static void hierarchy_changed_cb(GtkWidget* widget,
 | ||
|                                  GtkWidget* previous_toplevel) {
 | ||
|   GtkWidget* toplevel = gtk_widget_get_toplevel(widget);
 | ||
|   GdkWindowState old_window_state = GDK_WINDOW_STATE_WITHDRAWN;
 | ||
|   GdkEventWindowState event;
 | ||
| 
 | ||
|   event.new_window_state = GDK_WINDOW_STATE_WITHDRAWN;
 | ||
| 
 | ||
|   if (GTK_IS_WINDOW(previous_toplevel)) {
 | ||
|     g_signal_handlers_disconnect_by_func(
 | ||
|         previous_toplevel, FuncToGpointer(window_state_event_cb), widget);
 | ||
|     GdkWindow* win = gtk_widget_get_window(previous_toplevel);
 | ||
|     if (win) {
 | ||
|       old_window_state = gdk_window_get_state(win);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   if (GTK_IS_WINDOW(toplevel)) {
 | ||
|     g_signal_connect_swapped(toplevel, "window-state-event",
 | ||
|                              G_CALLBACK(window_state_event_cb), widget);
 | ||
|     GdkWindow* win = gtk_widget_get_window(toplevel);
 | ||
|     if (win) {
 | ||
|       event.new_window_state = gdk_window_get_state(win);
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   event.changed_mask =
 | ||
|       static_cast<GdkWindowState>(old_window_state ^ event.new_window_state);
 | ||
| 
 | ||
|   if (event.changed_mask) {
 | ||
|     event.type = GDK_WINDOW_STATE;
 | ||
|     event.window = nullptr;
 | ||
|     event.send_event = TRUE;
 | ||
|     window_state_event_cb(widget, &event);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| static gboolean window_state_event_cb(GtkWidget* widget,
 | ||
|                                       GdkEventWindowState* event) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   window->OnWindowStateEvent(widget, event);
 | ||
| 
 | ||
|   return FALSE;
 | ||
| }
 | ||
| 
 | ||
| static void settings_changed_cb(GtkSettings* settings, GParamSpec* pspec,
 | ||
|                                 nsWindow* data) {
 | ||
|   if (sIgnoreChangedSettings) {
 | ||
|     return;
 | ||
|   }
 | ||
|   RefPtr<nsWindow> window = data;
 | ||
|   window->ThemeChanged();
 | ||
| }
 | ||
| 
 | ||
| static void settings_xft_dpi_changed_cb(GtkSettings* gtk_settings,
 | ||
|                                         GParamSpec* pspec, nsWindow* data) {
 | ||
|   RefPtr<nsWindow> window = data;
 | ||
|   window->OnDPIChanged();
 | ||
|   // Even though the window size in screen pixels has not changed,
 | ||
|   // nsViewManager stores the dimensions in app units.
 | ||
|   // DispatchResized() updates those.
 | ||
|   window->DispatchResized();
 | ||
| }
 | ||
| 
 | ||
| static void check_resize_cb(GtkContainer* container, gpointer user_data) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(GTK_WIDGET(container));
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
|   window->OnCheckResize();
 | ||
| }
 | ||
| 
 | ||
| static void screen_composited_changed_cb(GdkScreen* screen,
 | ||
|                                          gpointer user_data) {
 | ||
|   // This callback can run before gfxPlatform::Init() in rare
 | ||
|   // cases involving the profile manager. When this happens,
 | ||
|   // we have no reason to reset any compositors as graphics
 | ||
|   // hasn't been initialized yet.
 | ||
|   if (GPUProcessManager::Get()) {
 | ||
|     GPUProcessManager::Get()->ResetCompositors();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| static void widget_composited_changed_cb(GtkWidget* widget,
 | ||
|                                          gpointer user_data) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
|   window->OnCompositedChanged();
 | ||
| }
 | ||
| 
 | ||
| static void scale_changed_cb(GtkWidget* widget, GParamSpec* aPSpec,
 | ||
|                              gpointer aPointer) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
 | ||
|   if (!window) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GtkAllocation allocation;
 | ||
|   gtk_widget_get_allocation(widget, &allocation);
 | ||
|   window->OnScaleChanged(&allocation);
 | ||
| }
 | ||
| 
 | ||
| static gboolean touch_event_cb(GtkWidget* aWidget, GdkEventTouch* aEvent) {
 | ||
|   UpdateLastInputEventTime(aEvent);
 | ||
| 
 | ||
|   nsWindow* window = GetFirstNSWindowForGDKWindow(aEvent->window);
 | ||
|   if (!window) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   return window->OnTouchEvent(aEvent);
 | ||
| }
 | ||
| 
 | ||
| // This function called generic because there is no signal specific to touchpad
 | ||
| // pinch events.
 | ||
| static gboolean generic_event_cb(GtkWidget* widget, GdkEvent* aEvent) {
 | ||
|   if (aEvent->type != GDK_TOUCHPAD_PINCH) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
|   // Using reinterpret_cast because the touchpad_pinch field of GdkEvent is not
 | ||
|   // available in GTK+ versions lower than v3.18
 | ||
|   GdkEventTouchpadPinch* event =
 | ||
|       reinterpret_cast<GdkEventTouchpadPinch*>(aEvent);
 | ||
| 
 | ||
|   nsWindow* window = GetFirstNSWindowForGDKWindow(event->window);
 | ||
| 
 | ||
|   if (!window) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
|   return window->OnTouchpadPinchEvent(event);
 | ||
| }
 | ||
| 
 | ||
| //////////////////////////////////////////////////////////////////////
 | ||
| // These are all of our drag and drop operations
 | ||
| 
 | ||
| void nsWindow::InitDragEvent(WidgetDragEvent& aEvent) {
 | ||
|   // set the keyboard modifiers
 | ||
|   guint modifierState = KeymapWrapper::GetCurrentModifierState();
 | ||
|   KeymapWrapper::InitInputEvent(aEvent, modifierState);
 | ||
| }
 | ||
| 
 | ||
| gboolean WindowDragMotionHandler(GtkWidget* aWidget,
 | ||
|                                  GdkDragContext* aDragContext,
 | ||
|                                  nsWaylandDragContext* aWaylandDragContext,
 | ||
|                                  gint aX, gint aY, guint aTime) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
 | ||
|   if (!window) {
 | ||
|     return FALSE;
 | ||
|   }
 | ||
| 
 | ||
|   // figure out which internal widget this drag motion actually happened on
 | ||
|   nscoord retx = 0;
 | ||
|   nscoord rety = 0;
 | ||
| 
 | ||
|   GdkWindow* innerWindow = get_inner_gdk_window(gtk_widget_get_window(aWidget),
 | ||
|                                                 aX, aY, &retx, &rety);
 | ||
|   RefPtr<nsWindow> innerMostWindow = get_window_for_gdk_window(innerWindow);
 | ||
| 
 | ||
|   if (!innerMostWindow) {
 | ||
|     innerMostWindow = window;
 | ||
|   }
 | ||
| 
 | ||
|   LOGDRAG(("WindowDragMotionHandler nsWindow %p\n", (void*)innerMostWindow));
 | ||
| 
 | ||
|   LayoutDeviceIntPoint point = window->GdkPointToDevicePixels({retx, rety});
 | ||
| 
 | ||
|   RefPtr<nsDragService> dragService = nsDragService::GetInstance();
 | ||
|   return dragService->ScheduleMotionEvent(innerMostWindow, aDragContext,
 | ||
|                                           aWaylandDragContext, point, aTime);
 | ||
| }
 | ||
| 
 | ||
| static gboolean drag_motion_event_cb(GtkWidget* aWidget,
 | ||
|                                      GdkDragContext* aDragContext, gint aX,
 | ||
|                                      gint aY, guint aTime, gpointer aData) {
 | ||
|   return WindowDragMotionHandler(aWidget, aDragContext, nullptr, aX, aY, aTime);
 | ||
| }
 | ||
| 
 | ||
| void WindowDragLeaveHandler(GtkWidget* aWidget) {
 | ||
|   LOGDRAG(("WindowDragLeaveHandler()\n"));
 | ||
| 
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
 | ||
|   if (!window) {
 | ||
|     LOGDRAG(("    Failed - can't find nsWindow!\n"));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   RefPtr<nsDragService> dragService = nsDragService::GetInstance();
 | ||
| 
 | ||
|   nsWindow* mostRecentDragWindow = dragService->GetMostRecentDestWindow();
 | ||
|   if (!mostRecentDragWindow) {
 | ||
|     // This can happen when the target will not accept a drop.  A GTK drag
 | ||
|     // source sends the leave message to the destination before the
 | ||
|     // drag-failed signal on the source widget, but the leave message goes
 | ||
|     // via the X server, and so doesn't get processed at least until the
 | ||
|     // event loop runs again.
 | ||
|     LOGDRAG(("    Failed - GetMostRecentDestWindow()!\n"));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   GtkWidget* mozContainer = mostRecentDragWindow->GetMozContainerWidget();
 | ||
|   if (aWidget != mozContainer) {
 | ||
|     // When the drag moves between widgets, GTK can send leave signal for
 | ||
|     // the old widget after the motion or drop signal for the new widget.
 | ||
|     // We'll send the leave event when the motion or drop event is run.
 | ||
|     LOGDRAG(("    Failed - GetMozContainerWidget()!\n"));
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   LOGDRAG(
 | ||
|       ("WindowDragLeaveHandler nsWindow %p\n", (void*)mostRecentDragWindow));
 | ||
|   dragService->ScheduleLeaveEvent();
 | ||
| }
 | ||
| 
 | ||
| static void drag_leave_event_cb(GtkWidget* aWidget,
 | ||
|                                 GdkDragContext* aDragContext, guint aTime,
 | ||
|                                 gpointer aData) {
 | ||
|   WindowDragLeaveHandler(aWidget);
 | ||
| }
 | ||
| 
 | ||
| gboolean WindowDragDropHandler(GtkWidget* aWidget, GdkDragContext* aDragContext,
 | ||
|                                nsWaylandDragContext* aWaylandDragContext,
 | ||
|                                gint aX, gint aY, guint aTime) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
 | ||
|   if (!window) return FALSE;
 | ||
| 
 | ||
|   // figure out which internal widget this drag motion actually happened on
 | ||
|   nscoord retx = 0;
 | ||
|   nscoord rety = 0;
 | ||
| 
 | ||
|   GdkWindow* innerWindow = get_inner_gdk_window(gtk_widget_get_window(aWidget),
 | ||
|                                                 aX, aY, &retx, &rety);
 | ||
|   RefPtr<nsWindow> innerMostWindow = get_window_for_gdk_window(innerWindow);
 | ||
| 
 | ||
|   if (!innerMostWindow) {
 | ||
|     innerMostWindow = window;
 | ||
|   }
 | ||
| 
 | ||
|   LOGDRAG(("WindowDragDropHandler nsWindow %p\n", (void*)innerMostWindow));
 | ||
| 
 | ||
|   LayoutDeviceIntPoint point = window->GdkPointToDevicePixels({retx, rety});
 | ||
| 
 | ||
|   RefPtr<nsDragService> dragService = nsDragService::GetInstance();
 | ||
|   return dragService->ScheduleDropEvent(innerMostWindow, aDragContext,
 | ||
|                                         aWaylandDragContext, point, aTime);
 | ||
| }
 | ||
| 
 | ||
| static gboolean drag_drop_event_cb(GtkWidget* aWidget,
 | ||
|                                    GdkDragContext* aDragContext, gint aX,
 | ||
|                                    gint aY, guint aTime, gpointer aData) {
 | ||
|   return WindowDragDropHandler(aWidget, aDragContext, nullptr, aX, aY, aTime);
 | ||
| }
 | ||
| 
 | ||
| static void drag_data_received_event_cb(GtkWidget* aWidget,
 | ||
|                                         GdkDragContext* aDragContext, gint aX,
 | ||
|                                         gint aY,
 | ||
|                                         GtkSelectionData* aSelectionData,
 | ||
|                                         guint aInfo, guint aTime,
 | ||
|                                         gpointer aData) {
 | ||
|   RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
 | ||
|   if (!window) return;
 | ||
| 
 | ||
|   window->OnDragDataReceivedEvent(aWidget, aDragContext, aX, aY, aSelectionData,
 | ||
|                                   aInfo, aTime, aData);
 | ||
| }
 | ||
| 
 | ||
| static nsresult initialize_prefs(void) {
 | ||
|   gRaiseWindows =
 | ||
|       Preferences::GetBool("mozilla.widget.raise-on-setfocus", true);
 | ||
|   gUseWaylandVsync =
 | ||
|       Preferences::GetBool("widget.wayland_vsync.enabled", false);
 | ||
| 
 | ||
|   if (Preferences::HasUserValue("widget.use-aspect-ratio")) {
 | ||
|     gUseAspectRatio = Preferences::GetBool("widget.use-aspect-ratio", true);
 | ||
|   } else {
 | ||
|     static const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
 | ||
|     gUseAspectRatio =
 | ||
|         currentDesktop ? (strstr(currentDesktop, "GNOME") != nullptr) : false;
 | ||
|   }
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| static GdkWindow* get_inner_gdk_window(GdkWindow* aWindow, gint x, gint y,
 | ||
|                                        gint* retx, gint* rety) {
 | ||
|   gint cx, cy, cw, ch;
 | ||
|   GList* children = gdk_window_peek_children(aWindow);
 | ||
|   for (GList* child = g_list_last(children); child;
 | ||
|        child = g_list_previous(child)) {
 | ||
|     auto* childWindow = (GdkWindow*)child->data;
 | ||
|     if (get_window_for_gdk_window(childWindow)) {
 | ||
|       gdk_window_get_geometry(childWindow, &cx, &cy, &cw, &ch);
 | ||
|       if ((cx < x) && (x < (cx + cw)) && (cy < y) && (y < (cy + ch)) &&
 | ||
|           gdk_window_is_visible(childWindow)) {
 | ||
|         return get_inner_gdk_window(childWindow, x - cx, y - cy, retx, rety);
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
|   *retx = x;
 | ||
|   *rety = y;
 | ||
|   return aWindow;
 | ||
| }
 | ||
| 
 | ||
| static int is_parent_ungrab_enter(GdkEventCrossing* aEvent) {
 | ||
|   return (GDK_CROSSING_UNGRAB == aEvent->mode) &&
 | ||
|          ((GDK_NOTIFY_ANCESTOR == aEvent->detail) ||
 | ||
|           (GDK_NOTIFY_VIRTUAL == aEvent->detail));
 | ||
| }
 | ||
| 
 | ||
| static int is_parent_grab_leave(GdkEventCrossing* aEvent) {
 | ||
|   return (GDK_CROSSING_GRAB == aEvent->mode) &&
 | ||
|          ((GDK_NOTIFY_ANCESTOR == aEvent->detail) ||
 | ||
|           (GDK_NOTIFY_VIRTUAL == aEvent->detail));
 | ||
| }
 | ||
| 
 | ||
| #ifdef ACCESSIBILITY
 | ||
| void nsWindow::CreateRootAccessible() {
 | ||
|   if (mIsTopLevel && !mRootAccessible) {
 | ||
|     LOG(("nsWindow:: Create Toplevel Accessibility\n"));
 | ||
|     mRootAccessible = GetRootAccessible();
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchEventToRootAccessible(uint32_t aEventType) {
 | ||
|   if (!a11y::ShouldA11yBeEnabled()) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   nsAccessibilityService* accService = GetOrCreateAccService();
 | ||
|   if (!accService) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   // Get the root document accessible and fire event to it.
 | ||
|   a11y::LocalAccessible* acc = GetRootAccessible();
 | ||
|   if (acc) {
 | ||
|     accService->FireAccessibleEvent(aEventType, acc);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchActivateEventAccessible(void) {
 | ||
|   DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_ACTIVATE);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchDeactivateEventAccessible(void) {
 | ||
|   DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_DEACTIVATE);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchMaximizeEventAccessible(void) {
 | ||
|   DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_MAXIMIZE);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchMinimizeEventAccessible(void) {
 | ||
|   DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_MINIMIZE);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::DispatchRestoreEventAccessible(void) {
 | ||
|   DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_RESTORE);
 | ||
| }
 | ||
| 
 | ||
| #endif /* #ifdef ACCESSIBILITY */
 | ||
| 
 | ||
| void nsWindow::SetInputContext(const InputContext& aContext,
 | ||
|                                const InputContextAction& aAction) {
 | ||
|   if (!mIMContext) {
 | ||
|     return;
 | ||
|   }
 | ||
|   mIMContext->SetInputContext(this, &aContext, &aAction);
 | ||
| }
 | ||
| 
 | ||
| InputContext nsWindow::GetInputContext() {
 | ||
|   InputContext context;
 | ||
|   if (!mIMContext) {
 | ||
|     context.mIMEState.mEnabled = IMEEnabled::Disabled;
 | ||
|     context.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
 | ||
|   } else {
 | ||
|     context = mIMContext->GetInputContext();
 | ||
|   }
 | ||
|   return context;
 | ||
| }
 | ||
| 
 | ||
| TextEventDispatcherListener* nsWindow::GetNativeTextEventDispatcherListener() {
 | ||
|   if (NS_WARN_IF(!mIMContext)) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
|   return mIMContext;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::GetEditCommands(NativeKeyBindingsType aType,
 | ||
|                                const WidgetKeyboardEvent& aEvent,
 | ||
|                                nsTArray<CommandInt>& aCommands) {
 | ||
|   // Validate the arguments.
 | ||
|   if (NS_WARN_IF(!nsIWidget::GetEditCommands(aType, aEvent, aCommands))) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   Maybe<WritingMode> writingMode;
 | ||
|   if (aEvent.NeedsToRemapNavigationKey()) {
 | ||
|     if (RefPtr<TextEventDispatcher> dispatcher = GetTextEventDispatcher()) {
 | ||
|       writingMode = dispatcher->MaybeWritingModeAtSelection();
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   NativeKeyBindings* keyBindings = NativeKeyBindings::GetInstance(aType);
 | ||
|   keyBindings->GetEditCommands(aEvent, writingMode, aCommands);
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| already_AddRefed<DrawTarget> nsWindow::StartRemoteDrawingInRegion(
 | ||
|     const LayoutDeviceIntRegion& aInvalidRegion, BufferMode* aBufferMode) {
 | ||
|   return mSurfaceProvider.StartRemoteDrawingInRegion(aInvalidRegion,
 | ||
|                                                      aBufferMode);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::EndRemoteDrawingInRegion(
 | ||
|     DrawTarget* aDrawTarget, const LayoutDeviceIntRegion& aInvalidRegion) {
 | ||
|   mSurfaceProvider.EndRemoteDrawingInRegion(aDrawTarget, aInvalidRegion);
 | ||
| }
 | ||
| 
 | ||
| // Code shared begin BeginMoveDrag and BeginResizeDrag
 | ||
| bool nsWindow::GetDragInfo(WidgetMouseEvent* aMouseEvent, GdkWindow** aWindow,
 | ||
|                            gint* aButton, gint* aRootX, gint* aRootY) {
 | ||
|   if (aMouseEvent->mButton != MouseButton::ePrimary) {
 | ||
|     // we can only begin a move drag with the left mouse button
 | ||
|     return false;
 | ||
|   }
 | ||
|   *aButton = 1;
 | ||
| 
 | ||
|   // get the gdk window for this widget
 | ||
|   GdkWindow* gdk_window = mGdkWindow;
 | ||
|   if (!gdk_window) {
 | ||
|     return false;
 | ||
|   }
 | ||
| #ifdef DEBUG
 | ||
|   // GDK_IS_WINDOW(...) expands to a statement-expression, and
 | ||
|   // statement-expressions are not allowed in template-argument lists. So we
 | ||
|   // have to make the MOZ_ASSERT condition indirect.
 | ||
|   if (!GDK_IS_WINDOW(gdk_window)) {
 | ||
|     MOZ_ASSERT(false, "must really be window");
 | ||
|   }
 | ||
| #endif
 | ||
| 
 | ||
|   // find the top-level window
 | ||
|   gdk_window = gdk_window_get_toplevel(gdk_window);
 | ||
|   MOZ_ASSERT(gdk_window, "gdk_window_get_toplevel should not return null");
 | ||
|   *aWindow = gdk_window;
 | ||
| 
 | ||
|   if (!aMouseEvent->mWidget) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   if (mIsX11Display) {
 | ||
|     // Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=789054
 | ||
|     // To avoid crashes disable double-click on WM without _NET_WM_MOVERESIZE.
 | ||
|     // See _should_perform_ewmh_drag() at gdkwindow-x11.c
 | ||
|     GdkScreen* screen = gdk_window_get_screen(gdk_window);
 | ||
|     GdkAtom atom = gdk_atom_intern("_NET_WM_MOVERESIZE", FALSE);
 | ||
|     if (!gdk_x11_screen_supports_net_wm_hint(screen, atom)) {
 | ||
|       static unsigned int lastTimeStamp = 0;
 | ||
|       if (lastTimeStamp != aMouseEvent->mTime) {
 | ||
|         lastTimeStamp = aMouseEvent->mTime;
 | ||
|       } else {
 | ||
|         return false;
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // FIXME: It would be nice to have the widget position at the time
 | ||
|   // of the event, but it's relatively unlikely that the widget has
 | ||
|   // moved since the mousedown.  (On the other hand, it's quite likely
 | ||
|   // that the mouse has moved, which is why we use the mouse position
 | ||
|   // from the event.)
 | ||
|   LayoutDeviceIntPoint offset = aMouseEvent->mWidget->WidgetToScreenOffset();
 | ||
|   *aRootX = aMouseEvent->mRefPoint.x + offset.x;
 | ||
|   *aRootY = aMouseEvent->mRefPoint.y + offset.y;
 | ||
| 
 | ||
|   return true;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::BeginResizeDrag(WidgetGUIEvent* aEvent, int32_t aHorizontal,
 | ||
|                                    int32_t aVertical) {
 | ||
|   NS_ENSURE_ARG_POINTER(aEvent);
 | ||
| 
 | ||
|   if (aEvent->mClass != eMouseEventClass) {
 | ||
|     // you can only begin a resize drag with a mouse event
 | ||
|     return NS_ERROR_INVALID_ARG;
 | ||
|   }
 | ||
| 
 | ||
|   GdkWindow* gdk_window;
 | ||
|   gint button, screenX, screenY;
 | ||
|   if (!GetDragInfo(aEvent->AsMouseEvent(), &gdk_window, &button, &screenX,
 | ||
|                    &screenY)) {
 | ||
|     return NS_ERROR_FAILURE;
 | ||
|   }
 | ||
| 
 | ||
|   // work out what GdkWindowEdge we're talking about
 | ||
|   GdkWindowEdge window_edge;
 | ||
|   if (aVertical < 0) {
 | ||
|     if (aHorizontal < 0) {
 | ||
|       window_edge = GDK_WINDOW_EDGE_NORTH_WEST;
 | ||
|     } else if (aHorizontal == 0) {
 | ||
|       window_edge = GDK_WINDOW_EDGE_NORTH;
 | ||
|     } else {
 | ||
|       window_edge = GDK_WINDOW_EDGE_NORTH_EAST;
 | ||
|     }
 | ||
|   } else if (aVertical == 0) {
 | ||
|     if (aHorizontal < 0) {
 | ||
|       window_edge = GDK_WINDOW_EDGE_WEST;
 | ||
|     } else if (aHorizontal == 0) {
 | ||
|       return NS_ERROR_INVALID_ARG;
 | ||
|     } else {
 | ||
|       window_edge = GDK_WINDOW_EDGE_EAST;
 | ||
|     }
 | ||
|   } else {
 | ||
|     if (aHorizontal < 0) {
 | ||
|       window_edge = GDK_WINDOW_EDGE_SOUTH_WEST;
 | ||
|     } else if (aHorizontal == 0) {
 | ||
|       window_edge = GDK_WINDOW_EDGE_SOUTH;
 | ||
|     } else {
 | ||
|       window_edge = GDK_WINDOW_EDGE_SOUTH_EAST;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // tell the window manager to start the resize
 | ||
|   gdk_window_begin_resize_drag(gdk_window, window_edge, button, screenX,
 | ||
|                                screenY, aEvent->mTime);
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| nsIWidget::LayerManager* nsWindow::GetLayerManager(
 | ||
|     PLayerTransactionChild* aShadowManager, LayersBackend aBackendHint,
 | ||
|     LayerManagerPersistence aPersistence) {
 | ||
|   if (mIsDestroyed) {
 | ||
|     // Prevent external code from triggering the re-creation of the
 | ||
|     // LayerManager/Compositor during shutdown. Just return what we currently
 | ||
|     // have, which is most likely null.
 | ||
|     return mLayerManager;
 | ||
|   }
 | ||
| 
 | ||
|   return nsBaseWidget::GetLayerManager(aShadowManager, aBackendHint,
 | ||
|                                        aPersistence);
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetCompositorWidgetDelegate(CompositorWidgetDelegate* delegate) {
 | ||
|   if (delegate) {
 | ||
|     mCompositorWidgetDelegate = delegate->AsPlatformSpecificDelegate();
 | ||
|     MOZ_ASSERT(mCompositorWidgetDelegate,
 | ||
|                "nsWindow::SetCompositorWidgetDelegate called with a "
 | ||
|                "non-PlatformCompositorWidgetDelegate");
 | ||
| #ifdef MOZ_WAYLAND
 | ||
|     MaybeResumeCompositor();
 | ||
| #endif
 | ||
|   } else {
 | ||
|     mCompositorWidgetDelegate = nullptr;
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ClearCachedResources() {
 | ||
|   if (mLayerManager && mLayerManager->GetBackendType() ==
 | ||
|                            mozilla::layers::LayersBackend::LAYERS_BASIC) {
 | ||
|     mLayerManager->ClearCachedResources();
 | ||
|   }
 | ||
| 
 | ||
|   GList* children = gdk_window_peek_children(mGdkWindow);
 | ||
|   for (GList* list = children; list; list = list->next) {
 | ||
|     nsWindow* window = get_window_for_gdk_window(GDK_WINDOW(list->data));
 | ||
|     if (window) {
 | ||
|       window->ClearCachedResources();
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| /* nsWindow::UpdateClientOffsetFromCSDWindow() is designed to be called from
 | ||
|  * nsWindow::OnConfigureEvent() when mContainer window is already positioned.
 | ||
|  *
 | ||
|  * It works only for CSD decorated GtkWindow.
 | ||
|  */
 | ||
| void nsWindow::UpdateClientOffsetFromCSDWindow() {
 | ||
|   int x, y;
 | ||
|   gdk_window_get_position(mGdkWindow, &x, &y);
 | ||
| 
 | ||
|   x = GdkCoordToDevicePixels(x);
 | ||
|   y = GdkCoordToDevicePixels(y);
 | ||
| 
 | ||
|   if (mClientOffset.x != x || mClientOffset.y != y) {
 | ||
|     mClientOffset = nsIntPoint(x, y);
 | ||
| 
 | ||
|     LOG(("nsWindow::UpdateClientOffsetFromCSDWindow [%p] %d, %d\n", (void*)this,
 | ||
|          mClientOffset.x, mClientOffset.y));
 | ||
| 
 | ||
|     // Send a WindowMoved notification. This ensures that BrowserParent
 | ||
|     // picks up the new client offset and sends it to the child process
 | ||
|     // if appropriate.
 | ||
|     NotifyWindowMoved(mBounds.x, mBounds.y);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SetNonClientMargins(LayoutDeviceIntMargin& aMargins) {
 | ||
|   SetDrawsInTitlebar(aMargins.top == 0);
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::SetDrawsInTitlebar(bool aState) {
 | ||
|   LOG(("nsWindow::SetDrawsInTitlebar() [%p] State %d mGtkWindowDecoration %d\n",
 | ||
|        (void*)this, aState, (int)mGtkWindowDecoration));
 | ||
| 
 | ||
|   if (mIsPIPWindow && aState == mDrawInTitlebar) {
 | ||
|     gtk_window_set_decorated(GTK_WINDOW(mShell), !aState);
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!mShell || mGtkWindowDecoration == GTK_DECORATION_NONE ||
 | ||
|       aState == mDrawInTitlebar) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (mGtkWindowDecoration == GTK_DECORATION_SYSTEM) {
 | ||
|     SetWindowDecoration(aState ? eBorderStyle_border : mBorderStyle);
 | ||
|   } else if (mGtkWindowDecoration == GTK_DECORATION_CLIENT) {
 | ||
|     LOG(("    Using CSD mode\n"));
 | ||
| 
 | ||
|     /* Window manager does not support GDK_DECOR_BORDER,
 | ||
|      * emulate it by CSD.
 | ||
|      *
 | ||
|      * gtk_window_set_titlebar() works on unrealized widgets only,
 | ||
|      * we need to handle mShell carefully here.
 | ||
|      * When CSD is enabled mGdkWindow is owned by mContainer which is good
 | ||
|      * as we can't delete our mGdkWindow. To make mShell unrealized while
 | ||
|      * mContainer is preserved we temporary reparent mContainer to an
 | ||
|      * invisible GtkWindow.
 | ||
|      */
 | ||
|     NativeShow(false);
 | ||
| 
 | ||
|     // Using GTK_WINDOW_POPUP rather than
 | ||
|     // GTK_WINDOW_TOPLEVEL in the hope that POPUP results in less
 | ||
|     // initialization and window manager interaction.
 | ||
|     GtkWidget* tmpWindow = gtk_window_new(GTK_WINDOW_POPUP);
 | ||
|     gtk_widget_realize(tmpWindow);
 | ||
| 
 | ||
|     gtk_widget_reparent(GTK_WIDGET(mContainer), tmpWindow);
 | ||
|     gtk_widget_unrealize(GTK_WIDGET(mShell));
 | ||
| 
 | ||
|     if (aState) {
 | ||
|       // Add a hidden titlebar widget to trigger CSD, but disable the default
 | ||
|       // titlebar.  GtkFixed is a somewhat random choice for a simple unused
 | ||
|       // widget. gtk_window_set_titlebar() takes ownership of the titlebar
 | ||
|       // widget.
 | ||
|       gtk_window_set_titlebar(GTK_WINDOW(mShell), gtk_fixed_new());
 | ||
|     } else {
 | ||
|       gtk_window_set_titlebar(GTK_WINDOW(mShell), nullptr);
 | ||
|     }
 | ||
| 
 | ||
|     /* A workaround for https://bugzilla.gnome.org/show_bug.cgi?id=791081
 | ||
|      * gtk_widget_realize() throws:
 | ||
|      * "In pixman_region32_init_rect: Invalid rectangle passed"
 | ||
|      * when mShell has default 1x1 size.
 | ||
|      */
 | ||
|     GtkAllocation allocation = {0, 0, 0, 0};
 | ||
|     gtk_widget_get_preferred_width(GTK_WIDGET(mShell), nullptr,
 | ||
|                                    &allocation.width);
 | ||
|     gtk_widget_get_preferred_height(GTK_WIDGET(mShell), nullptr,
 | ||
|                                     &allocation.height);
 | ||
|     gtk_widget_size_allocate(GTK_WIDGET(mShell), &allocation);
 | ||
| 
 | ||
|     gtk_widget_realize(GTK_WIDGET(mShell));
 | ||
|     gtk_widget_reparent(GTK_WIDGET(mContainer), GTK_WIDGET(mShell));
 | ||
|     mNeedsShow = true;
 | ||
|     NativeResize();
 | ||
| 
 | ||
|     // Label mShell toplevel window so property_notify_event_cb callback
 | ||
|     // can find its way home.
 | ||
|     g_object_set_data(G_OBJECT(gtk_widget_get_window(mShell)), "nsWindow",
 | ||
|                       this);
 | ||
| #ifdef MOZ_X11
 | ||
|     SetCompositorHint(GTK_WIDGET_COMPOSIDED_ENABLED);
 | ||
| #endif
 | ||
|     RefreshWindowClass();
 | ||
| 
 | ||
|     gtk_widget_destroy(tmpWindow);
 | ||
|   }
 | ||
| 
 | ||
|   mDrawInTitlebar = aState;
 | ||
| 
 | ||
|   if (mTransparencyBitmapForTitlebar) {
 | ||
|     if (mDrawInTitlebar && mSizeState == nsSizeMode_Normal && !mIsTiled) {
 | ||
|       UpdateTitlebarTransparencyBitmap();
 | ||
|     } else {
 | ||
|       ClearTransparencyBitmap();
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| GtkWindow* nsWindow::GetCurrentTopmostWindow() {
 | ||
|   GtkWindow* parentWindow = GTK_WINDOW(GetGtkWidget());
 | ||
|   GtkWindow* topmostParentWindow = nullptr;
 | ||
|   while (parentWindow) {
 | ||
|     topmostParentWindow = parentWindow;
 | ||
|     parentWindow = gtk_window_get_transient_for(parentWindow);
 | ||
|   }
 | ||
|   return topmostParentWindow;
 | ||
| }
 | ||
| 
 | ||
| gint nsWindow::GdkScaleFactor() {
 | ||
|   // We depend on notify::scale-factor callback which is reliable for toplevel
 | ||
|   // windows only, so don't use scale cache for popup windows.
 | ||
|   if (mWindowType == eWindowType_toplevel && !mWindowScaleFactorChanged) {
 | ||
|     return mWindowScaleFactor;
 | ||
|   }
 | ||
| 
 | ||
|   GdkWindow* scaledGdkWindow = mGdkWindow;
 | ||
|   if (!mIsX11Display) {
 | ||
|     // For popup windows/dialogs with parent window we need to get scale factor
 | ||
|     // of the topmost window. Otherwise the scale factor of the popup is
 | ||
|     // not updated during it's hidden.
 | ||
|     if (mWindowType == eWindowType_popup || mWindowType == eWindowType_dialog) {
 | ||
|       // Get toplevel window for scale factor:
 | ||
|       GtkWindow* topmostParentWindow = GetCurrentTopmostWindow();
 | ||
|       if (topmostParentWindow) {
 | ||
|         scaledGdkWindow =
 | ||
|             gtk_widget_get_window(GTK_WIDGET(topmostParentWindow));
 | ||
|       } else {
 | ||
|         NS_WARNING("Popup/Dialog has no parent.");
 | ||
|       }
 | ||
|       // Fallback for windows which parent has been unrealized.
 | ||
|       if (!scaledGdkWindow) {
 | ||
|         scaledGdkWindow = mGdkWindow;
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   // Available as of GTK 3.10+
 | ||
|   static auto sGdkWindowGetScaleFactorPtr =
 | ||
|       (gint(*)(GdkWindow*))dlsym(RTLD_DEFAULT, "gdk_window_get_scale_factor");
 | ||
|   if (sGdkWindowGetScaleFactorPtr && scaledGdkWindow) {
 | ||
|     mWindowScaleFactor = (*sGdkWindowGetScaleFactorPtr)(scaledGdkWindow);
 | ||
|     mWindowScaleFactorChanged = false;
 | ||
|   } else {
 | ||
|     mWindowScaleFactor = ScreenHelperGTK::GetGTKMonitorScaleFactor();
 | ||
|   }
 | ||
| 
 | ||
|   return mWindowScaleFactor;
 | ||
| }
 | ||
| 
 | ||
| gint nsWindow::DevicePixelsToGdkCoordRoundUp(int pixels) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   return (pixels + scale - 1) / scale;
 | ||
| }
 | ||
| 
 | ||
| gint nsWindow::DevicePixelsToGdkCoordRoundDown(int pixels) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   return pixels / scale;
 | ||
| }
 | ||
| 
 | ||
| GdkPoint nsWindow::DevicePixelsToGdkPointRoundDown(LayoutDeviceIntPoint point) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   return {point.x / scale, point.y / scale};
 | ||
| }
 | ||
| 
 | ||
| GdkRectangle nsWindow::DevicePixelsToGdkRectRoundOut(LayoutDeviceIntRect rect) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   int x = rect.x / scale;
 | ||
|   int y = rect.y / scale;
 | ||
|   int right = (rect.x + rect.width + scale - 1) / scale;
 | ||
|   int bottom = (rect.y + rect.height + scale - 1) / scale;
 | ||
|   return {x, y, right - x, bottom - y};
 | ||
| }
 | ||
| 
 | ||
| GdkRectangle nsWindow::DevicePixelsToGdkSizeRoundUp(
 | ||
|     LayoutDeviceIntSize pixelSize) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   gint width = (pixelSize.width + scale - 1) / scale;
 | ||
|   gint height = (pixelSize.height + scale - 1) / scale;
 | ||
|   return {0, 0, width, height};
 | ||
| }
 | ||
| 
 | ||
| int nsWindow::GdkCoordToDevicePixels(gint coord) {
 | ||
|   return coord * GdkScaleFactor();
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntPoint nsWindow::GdkEventCoordsToDevicePixels(gdouble x,
 | ||
|                                                             gdouble y) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   return LayoutDeviceIntPoint::Round(x * scale, y * scale);
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntPoint nsWindow::GdkPointToDevicePixels(GdkPoint point) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   return LayoutDeviceIntPoint(point.x * scale, point.y * scale);
 | ||
| }
 | ||
| 
 | ||
| LayoutDeviceIntRect nsWindow::GdkRectToDevicePixels(GdkRectangle rect) {
 | ||
|   gint scale = GdkScaleFactor();
 | ||
|   return LayoutDeviceIntRect(rect.x * scale, rect.y * scale, rect.width * scale,
 | ||
|                              rect.height * scale);
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SynthesizeNativeMouseEvent(
 | ||
|     LayoutDeviceIntPoint aPoint, NativeMouseMessage aNativeMessage,
 | ||
|     MouseButton aButton, nsIWidget::Modifiers aModifierFlags,
 | ||
|     nsIObserver* aObserver) {
 | ||
|   AutoObserverNotifier notifier(aObserver, "mouseevent");
 | ||
| 
 | ||
|   if (!mGdkWindow) {
 | ||
|     return NS_OK;
 | ||
|   }
 | ||
| 
 | ||
|   GdkDisplay* display = gdk_window_get_display(mGdkWindow);
 | ||
| 
 | ||
|   // When a button-press/release event is requested, create it here and put it
 | ||
|   // in the event queue. This will not emit a motion event - this needs to be
 | ||
|   // done explicitly *before* requesting a button-press/release. You will also
 | ||
|   // need to wait for the motion event to be dispatched before requesting a
 | ||
|   // button-press/release event to maintain the desired event order.
 | ||
|   switch (aNativeMessage) {
 | ||
|     case NativeMouseMessage::ButtonDown:
 | ||
|     case NativeMouseMessage::ButtonUp: {
 | ||
|       GdkEvent event;
 | ||
|       memset(&event, 0, sizeof(GdkEvent));
 | ||
|       event.type = aNativeMessage == NativeMouseMessage::ButtonDown
 | ||
|                        ? GDK_BUTTON_PRESS
 | ||
|                        : GDK_BUTTON_RELEASE;
 | ||
|       switch (aButton) {
 | ||
|         case MouseButton::ePrimary:
 | ||
|         case MouseButton::eMiddle:
 | ||
|         case MouseButton::eSecondary:
 | ||
|         case MouseButton::eX1:
 | ||
|         case MouseButton::eX2:
 | ||
|           event.button.button = aButton + 1;
 | ||
|           break;
 | ||
|         default:
 | ||
|           return NS_ERROR_INVALID_ARG;
 | ||
|       }
 | ||
|       event.button.state =
 | ||
|           KeymapWrapper::ConvertWidgetModifierToGdkState(aModifierFlags);
 | ||
|       event.button.window = mGdkWindow;
 | ||
|       event.button.time = GDK_CURRENT_TIME;
 | ||
| 
 | ||
|       // Get device for event source
 | ||
|       GdkDeviceManager* device_manager =
 | ||
|           gdk_display_get_device_manager(display);
 | ||
|       event.button.device =
 | ||
|           gdk_device_manager_get_client_pointer(device_manager);
 | ||
| 
 | ||
|       event.button.x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
 | ||
|       event.button.y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
 | ||
| 
 | ||
|       LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
 | ||
|       event.button.x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
 | ||
|       event.button.y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
 | ||
| 
 | ||
|       gdk_event_put(&event);
 | ||
|       return NS_OK;
 | ||
|     }
 | ||
|     case NativeMouseMessage::Move: {
 | ||
|       // We don't support specific events other than button-press/release. In
 | ||
|       // all other cases we'll synthesize a motion event that will be emitted by
 | ||
|       // gdk_display_warp_pointer().
 | ||
|       // XXX How to activate native modifier for the other events?
 | ||
|       GdkScreen* screen = gdk_window_get_screen(mGdkWindow);
 | ||
|       GdkPoint point = DevicePixelsToGdkPointRoundDown(aPoint);
 | ||
|       gdk_display_warp_pointer(display, screen, point.x, point.y);
 | ||
|       return NS_OK;
 | ||
|     }
 | ||
|     case NativeMouseMessage::EnterWindow:
 | ||
|     case NativeMouseMessage::LeaveWindow:
 | ||
|       MOZ_ASSERT_UNREACHABLE("Non supported mouse event on Linux");
 | ||
|       return NS_ERROR_INVALID_ARG;
 | ||
|   }
 | ||
|   return NS_ERROR_UNEXPECTED;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SynthesizeNativeMouseScrollEvent(
 | ||
|     mozilla::LayoutDeviceIntPoint aPoint, uint32_t aNativeMessage,
 | ||
|     double aDeltaX, double aDeltaY, double aDeltaZ, uint32_t aModifierFlags,
 | ||
|     uint32_t aAdditionalFlags, nsIObserver* aObserver) {
 | ||
|   AutoObserverNotifier notifier(aObserver, "mousescrollevent");
 | ||
| 
 | ||
|   if (!mGdkWindow) {
 | ||
|     return NS_OK;
 | ||
|   }
 | ||
| 
 | ||
|   GdkEvent event;
 | ||
|   memset(&event, 0, sizeof(GdkEvent));
 | ||
|   event.type = GDK_SCROLL;
 | ||
|   event.scroll.window = mGdkWindow;
 | ||
|   event.scroll.time = GDK_CURRENT_TIME;
 | ||
|   // Get device for event source
 | ||
|   GdkDisplay* display = gdk_window_get_display(mGdkWindow);
 | ||
|   GdkDeviceManager* device_manager = gdk_display_get_device_manager(display);
 | ||
|   event.scroll.device = gdk_device_manager_get_client_pointer(device_manager);
 | ||
|   event.scroll.x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
 | ||
|   event.scroll.y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
 | ||
| 
 | ||
|   LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
 | ||
|   event.scroll.x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
 | ||
|   event.scroll.y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
 | ||
| 
 | ||
|   // The delta values are backwards on Linux compared to Windows and Cocoa,
 | ||
|   // hence the negation.
 | ||
|   event.scroll.direction = GDK_SCROLL_SMOOTH;
 | ||
|   event.scroll.delta_x = -aDeltaX;
 | ||
|   event.scroll.delta_y = -aDeltaY;
 | ||
| 
 | ||
|   gdk_event_put(&event);
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SynthesizeNativeTouchPoint(uint32_t aPointerId,
 | ||
|                                               TouchPointerState aPointerState,
 | ||
|                                               LayoutDeviceIntPoint aPoint,
 | ||
|                                               double aPointerPressure,
 | ||
|                                               uint32_t aPointerOrientation,
 | ||
|                                               nsIObserver* aObserver) {
 | ||
|   AutoObserverNotifier notifier(aObserver, "touchpoint");
 | ||
| 
 | ||
|   if (!mGdkWindow) {
 | ||
|     return NS_OK;
 | ||
|   }
 | ||
| 
 | ||
|   GdkEvent event;
 | ||
|   memset(&event, 0, sizeof(GdkEvent));
 | ||
| 
 | ||
|   static std::map<uint32_t, GdkEventSequence*> sKnownPointers;
 | ||
| 
 | ||
|   auto result = sKnownPointers.find(aPointerId);
 | ||
|   switch (aPointerState) {
 | ||
|     case TOUCH_CONTACT:
 | ||
|       if (result == sKnownPointers.end()) {
 | ||
|         // GdkEventSequence isn't a thing we can instantiate, and never gets
 | ||
|         // dereferenced in the gtk code. It's an opaque pointer, the only
 | ||
|         // requirement is that it be distinct from other instances of
 | ||
|         // GdkEventSequence*.
 | ||
|         event.touch.sequence = (GdkEventSequence*)((uintptr_t)aPointerId);
 | ||
|         sKnownPointers[aPointerId] = event.touch.sequence;
 | ||
|         event.type = GDK_TOUCH_BEGIN;
 | ||
|       } else {
 | ||
|         event.touch.sequence = result->second;
 | ||
|         event.type = GDK_TOUCH_UPDATE;
 | ||
|       }
 | ||
|       break;
 | ||
|     case TOUCH_REMOVE:
 | ||
|       event.type = GDK_TOUCH_END;
 | ||
|       if (result == sKnownPointers.end()) {
 | ||
|         NS_WARNING("Tried to synthesize touch-end for unknown pointer!");
 | ||
|         return NS_ERROR_UNEXPECTED;
 | ||
|       }
 | ||
|       event.touch.sequence = result->second;
 | ||
|       sKnownPointers.erase(result);
 | ||
|       break;
 | ||
|     case TOUCH_CANCEL:
 | ||
|       event.type = GDK_TOUCH_CANCEL;
 | ||
|       if (result == sKnownPointers.end()) {
 | ||
|         NS_WARNING("Tried to synthesize touch-cancel for unknown pointer!");
 | ||
|         return NS_ERROR_UNEXPECTED;
 | ||
|       }
 | ||
|       event.touch.sequence = result->second;
 | ||
|       sKnownPointers.erase(result);
 | ||
|       break;
 | ||
|     case TOUCH_HOVER:
 | ||
|     default:
 | ||
|       return NS_ERROR_NOT_IMPLEMENTED;
 | ||
|   }
 | ||
| 
 | ||
|   event.touch.window = mGdkWindow;
 | ||
|   event.touch.time = GDK_CURRENT_TIME;
 | ||
| 
 | ||
|   GdkDisplay* display = gdk_window_get_display(mGdkWindow);
 | ||
|   GdkDeviceManager* device_manager = gdk_display_get_device_manager(display);
 | ||
|   event.touch.device = gdk_device_manager_get_client_pointer(device_manager);
 | ||
| 
 | ||
|   event.touch.x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
 | ||
|   event.touch.y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
 | ||
| 
 | ||
|   LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
 | ||
|   event.touch.x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
 | ||
|   event.touch.y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
 | ||
| 
 | ||
|   gdk_event_put(&event);
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::SynthesizeNativeTouchPadPinch(TouchpadPinchPhase aEventPhase,
 | ||
|                                                  float aScale,
 | ||
|                                                  LayoutDeviceIntPoint aPoint,
 | ||
|                                                  int32_t aModifierFlags) {
 | ||
|   if (!mGdkWindow) {
 | ||
|     return NS_OK;
 | ||
|   }
 | ||
|   GdkEvent event;
 | ||
|   memset(&event, 0, sizeof(GdkEvent));
 | ||
| 
 | ||
|   GdkEventTouchpadPinch* touchpad_event =
 | ||
|       reinterpret_cast<GdkEventTouchpadPinch*>(&event);
 | ||
|   touchpad_event->type = GDK_TOUCHPAD_PINCH;
 | ||
| 
 | ||
|   switch (aEventPhase) {
 | ||
|     case PHASE_BEGIN:
 | ||
|       touchpad_event->phase = GDK_TOUCHPAD_GESTURE_PHASE_BEGIN;
 | ||
|       break;
 | ||
|     case PHASE_UPDATE:
 | ||
|       touchpad_event->phase = GDK_TOUCHPAD_GESTURE_PHASE_UPDATE;
 | ||
|       break;
 | ||
|     case PHASE_END:
 | ||
|       touchpad_event->phase = GDK_TOUCHPAD_GESTURE_PHASE_END;
 | ||
|       break;
 | ||
| 
 | ||
|     default:
 | ||
|       return NS_ERROR_NOT_IMPLEMENTED;
 | ||
|   }
 | ||
| 
 | ||
|   touchpad_event->window = mGdkWindow;
 | ||
|   // We only set the fields of GdkEventTouchpadPinch which are
 | ||
|   // actually used in OnTouchpadPinchEvent().
 | ||
|   // GdkEventTouchpadPinch has additional fields (for example, `dx` and `dy`).
 | ||
|   // If OnTouchpadPinchEvent() is changed to use other fields, this function
 | ||
|   // will need to change to set them as well.
 | ||
|   touchpad_event->time = GDK_CURRENT_TIME;
 | ||
|   touchpad_event->scale = aScale;
 | ||
|   touchpad_event->x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
 | ||
|   touchpad_event->y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
 | ||
| 
 | ||
|   LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
 | ||
|   touchpad_event->x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
 | ||
|   touchpad_event->y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
 | ||
|   touchpad_event->state = aModifierFlags;
 | ||
| 
 | ||
|   gdk_event_put(&event);
 | ||
| 
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| nsWindow::GtkWindowDecoration nsWindow::GetSystemGtkWindowDecoration() {
 | ||
|   if (sGtkWindowDecoration != GTK_DECORATION_UNKNOWN) {
 | ||
|     return sGtkWindowDecoration;
 | ||
|   }
 | ||
| 
 | ||
|   // Allow MOZ_GTK_TITLEBAR_DECORATION to override our heuristics
 | ||
|   const char* decorationOverride = getenv("MOZ_GTK_TITLEBAR_DECORATION");
 | ||
|   if (decorationOverride) {
 | ||
|     if (strcmp(decorationOverride, "none") == 0) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_NONE;
 | ||
|     } else if (strcmp(decorationOverride, "client") == 0) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strcmp(decorationOverride, "system") == 0) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_SYSTEM;
 | ||
|     }
 | ||
|     return sGtkWindowDecoration;
 | ||
|   }
 | ||
| 
 | ||
|   // nsWindow::GetSystemGtkWindowDecoration can be called from various threads
 | ||
|   // so we can't use gfxPlatformGtk here.
 | ||
|   if (GdkIsWaylandDisplay()) {
 | ||
|     sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     return sGtkWindowDecoration;
 | ||
|   }
 | ||
| 
 | ||
|   // GTK_CSD forces CSD mode - use also CSD because window manager
 | ||
|   // decorations does not work with CSD.
 | ||
|   // We check GTK_CSD as well as gtk_window_should_use_csd() does.
 | ||
|   const char* csdOverride = getenv("GTK_CSD");
 | ||
|   if (csdOverride && atoi(csdOverride)) {
 | ||
|     sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     return sGtkWindowDecoration;
 | ||
|   }
 | ||
| 
 | ||
|   const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
 | ||
|   if (currentDesktop) {
 | ||
|     // GNOME Flashback (fallback)
 | ||
|     if (strstr(currentDesktop, "GNOME-Flashback:GNOME") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_SYSTEM;
 | ||
|       // Pop Linux Bug 1629198
 | ||
|     } else if (strstr(currentDesktop, "pop:GNOME") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|       // gnome-shell
 | ||
|     } else if (strstr(currentDesktop, "GNOME") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_SYSTEM;
 | ||
|     } else if (strstr(currentDesktop, "XFCE") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strstr(currentDesktop, "X-Cinnamon") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_SYSTEM;
 | ||
|       // KDE Plasma
 | ||
|     } else if (strstr(currentDesktop, "KDE") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strstr(currentDesktop, "Enlightenment") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strstr(currentDesktop, "LXDE") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strstr(currentDesktop, "openbox") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strstr(currentDesktop, "i3") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_NONE;
 | ||
|     } else if (strstr(currentDesktop, "MATE") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|       // Ubuntu Unity
 | ||
|     } else if (strstr(currentDesktop, "Unity") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_SYSTEM;
 | ||
|       // Elementary OS
 | ||
|     } else if (strstr(currentDesktop, "Pantheon") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else if (strstr(currentDesktop, "LXQt") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_SYSTEM;
 | ||
|     } else if (strstr(currentDesktop, "Deepin") != nullptr) {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     } else {
 | ||
|       sGtkWindowDecoration = GTK_DECORATION_CLIENT;
 | ||
|     }
 | ||
|   } else {
 | ||
|     sGtkWindowDecoration = GTK_DECORATION_NONE;
 | ||
|   }
 | ||
|   return sGtkWindowDecoration;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::TitlebarUseShapeMask() {
 | ||
|   static int useShapeMask = []() {
 | ||
|     // Don't use titlebar shape mask on Wayland
 | ||
|     if (!gfxPlatformGtk::GetPlatform()->IsX11Display()) {
 | ||
|       return false;
 | ||
|     }
 | ||
| 
 | ||
|     // We can'y use shape masks on Mutter/X.org as we can't resize Firefox
 | ||
|     // window there (Bug 1530252).
 | ||
|     const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
 | ||
|     if (currentDesktop) {
 | ||
|       if (strstr(currentDesktop, "GNOME") != nullptr) {
 | ||
|         const char* sessionType = getenv("XDG_SESSION_TYPE");
 | ||
|         if (sessionType && strstr(sessionType, "x11") != nullptr) {
 | ||
|           return false;
 | ||
|         }
 | ||
|       }
 | ||
|     }
 | ||
| 
 | ||
|     return Preferences::GetBool("widget.titlebar-x11-use-shape-mask", false);
 | ||
|   }();
 | ||
|   return useShapeMask;
 | ||
| }
 | ||
| 
 | ||
| bool nsWindow::HideTitlebarByDefault() {
 | ||
|   static int hideTitlebar = []() {
 | ||
|     // When user defined widget.default-hidden-titlebar don't do any
 | ||
|     // heuristics and just follow it.
 | ||
|     if (Preferences::HasUserValue("widget.default-hidden-titlebar")) {
 | ||
|       return Preferences::GetBool("widget.default-hidden-titlebar", false);
 | ||
|     }
 | ||
| 
 | ||
|     // Don't hide titlebar when it's disabled on current desktop.
 | ||
|     const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
 | ||
|     if (!currentDesktop ||
 | ||
|         GetSystemGtkWindowDecoration() == GTK_DECORATION_NONE) {
 | ||
|       return false;
 | ||
|     }
 | ||
| 
 | ||
|     // We hide system titlebar on Gnome/ElementaryOS without any restriction.
 | ||
|     return ((strstr(currentDesktop, "GNOME-Flashback:GNOME") != nullptr ||
 | ||
|              strstr(currentDesktop, "GNOME") != nullptr ||
 | ||
|              strstr(currentDesktop, "Pantheon") != nullptr));
 | ||
|   }();
 | ||
|   return hideTitlebar;
 | ||
| }
 | ||
| 
 | ||
| int32_t nsWindow::RoundsWidgetCoordinatesTo() { return GdkScaleFactor(); }
 | ||
| 
 | ||
| void nsWindow::GetCompositorWidgetInitData(
 | ||
|     mozilla::widget::CompositorWidgetInitData* aInitData) {
 | ||
|   // Make sure the window XID is propagated to X server, we can fail otherwise
 | ||
|   // in GPU process (Bug 1401634).
 | ||
|   if (mXDisplay && mXWindow != X11None) {
 | ||
|     XFlush(mXDisplay);
 | ||
|   }
 | ||
| 
 | ||
|   bool isShaped =
 | ||
|       mIsTransparent && !mHasAlphaVisual && !mTransparencyBitmapForTitlebar;
 | ||
|   *aInitData = mozilla::widget::GtkCompositorWidgetInitData(
 | ||
|       (mXWindow != X11None) ? mXWindow : (uintptr_t) nullptr,
 | ||
|       mXDisplay ? nsCString(XDisplayString(mXDisplay)) : nsCString(), isShaped,
 | ||
|       mIsX11Display, GetClientSize());
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| bool nsWindow::WaylandSurfaceNeedsClear() {
 | ||
|   if (mContainer) {
 | ||
|     return moz_container_wayland_surface_needs_clear(MOZ_CONTAINER(mContainer));
 | ||
|   }
 | ||
|   return false;
 | ||
| }
 | ||
| #endif
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
| /* XApp progress support currently works by setting a property
 | ||
|  * on a window with this Atom name.  A supporting window manager
 | ||
|  * will notice this and pass it along to whatever handling has
 | ||
|  * been implemented on that end (e.g. passing it on to a taskbar
 | ||
|  * widget.)  There is no issue if WM support is lacking, this is
 | ||
|  * simply ignored in that case.
 | ||
|  *
 | ||
|  * See https://github.com/linuxmint/xapps/blob/master/libxapp/xapp-gtk-window.c
 | ||
|  * for further details.
 | ||
|  */
 | ||
| 
 | ||
| #  define PROGRESS_HINT "_NET_WM_XAPP_PROGRESS"
 | ||
| 
 | ||
| static void set_window_hint_cardinal(Window xid, const gchar* atom_name,
 | ||
|                                      gulong cardinal) {
 | ||
|   GdkDisplay* display;
 | ||
| 
 | ||
|   display = gdk_display_get_default();
 | ||
| 
 | ||
|   if (cardinal > 0) {
 | ||
|     XChangeProperty(GDK_DISPLAY_XDISPLAY(display), xid,
 | ||
|                     gdk_x11_get_xatom_by_name_for_display(display, atom_name),
 | ||
|                     XA_CARDINAL, 32, PropModeReplace, (guchar*)&cardinal, 1);
 | ||
|   } else {
 | ||
|     XDeleteProperty(GDK_DISPLAY_XDISPLAY(display), xid,
 | ||
|                     gdk_x11_get_xatom_by_name_for_display(display, atom_name));
 | ||
|   }
 | ||
| }
 | ||
| #endif  // MOZ_X11
 | ||
| 
 | ||
| void nsWindow::SetProgress(unsigned long progressPercent) {
 | ||
| #ifdef MOZ_X11
 | ||
| 
 | ||
|   if (!mIsX11Display) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (!mShell) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   progressPercent = MIN(progressPercent, 100);
 | ||
| 
 | ||
|   set_window_hint_cardinal(GDK_WINDOW_XID(gtk_widget_get_window(mShell)),
 | ||
|                            PROGRESS_HINT, progressPercent);
 | ||
| #endif  // MOZ_X11
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_X11
 | ||
| void nsWindow::SetCompositorHint(WindowComposeRequest aState) {
 | ||
|   if (!mIsX11Display) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   gulong value = aState;
 | ||
|   GdkAtom cardinal_atom = gdk_x11_xatom_to_atom(XA_CARDINAL);
 | ||
|   gdk_property_change(gtk_widget_get_window(mShell),
 | ||
|                       gdk_atom_intern("_NET_WM_BYPASS_COMPOSITOR", FALSE),
 | ||
|                       cardinal_atom,
 | ||
|                       32,  // format
 | ||
|                       GDK_PROP_MODE_REPLACE, (guchar*)&value, 1);
 | ||
| }
 | ||
| #endif
 | ||
| 
 | ||
| nsresult nsWindow::SetSystemFont(const nsCString& aFontName) {
 | ||
|   GtkSettings* settings = gtk_settings_get_default();
 | ||
|   g_object_set(settings, "gtk-font-name", aFontName.get(), nullptr);
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| nsresult nsWindow::GetSystemFont(nsCString& aFontName) {
 | ||
|   GtkSettings* settings = gtk_settings_get_default();
 | ||
|   gchar* fontName = nullptr;
 | ||
|   g_object_get(settings, "gtk-font-name", &fontName, nullptr);
 | ||
|   if (fontName) {
 | ||
|     aFontName.Assign(fontName);
 | ||
|     g_free(fontName);
 | ||
|   }
 | ||
|   return NS_OK;
 | ||
| }
 | ||
| 
 | ||
| already_AddRefed<nsIWidget> nsIWidget::CreateTopLevelWindow() {
 | ||
|   nsCOMPtr<nsIWidget> window = new nsWindow();
 | ||
|   return window.forget();
 | ||
| }
 | ||
| 
 | ||
| already_AddRefed<nsIWidget> nsIWidget::CreateChildWindow() {
 | ||
|   nsCOMPtr<nsIWidget> window = new nsWindow();
 | ||
|   return window.forget();
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| nsresult nsWindow::GetScreenRect(LayoutDeviceIntRect* aRect) {
 | ||
|   typedef struct _GdkMonitor GdkMonitor;
 | ||
|   static auto s_gdk_display_get_monitor_at_window =
 | ||
|       (GdkMonitor * (*)(GdkDisplay*, GdkWindow*))
 | ||
|           dlsym(RTLD_DEFAULT, "gdk_display_get_monitor_at_window");
 | ||
| 
 | ||
|   static auto s_gdk_monitor_get_workarea =
 | ||
|       (void (*)(GdkMonitor*, GdkRectangle*))dlsym(RTLD_DEFAULT,
 | ||
|                                                   "gdk_monitor_get_workarea");
 | ||
| 
 | ||
|   if (!s_gdk_display_get_monitor_at_window || !s_gdk_monitor_get_workarea) {
 | ||
|     return NS_ERROR_NOT_IMPLEMENTED;
 | ||
|   }
 | ||
| 
 | ||
|   GtkWindow* topmostParentWindow = GetCurrentTopmostWindow();
 | ||
|   GdkWindow* gdkWindow = gtk_widget_get_window(GTK_WIDGET(topmostParentWindow));
 | ||
| 
 | ||
|   GdkMonitor* monitor =
 | ||
|       s_gdk_display_get_monitor_at_window(gdk_display_get_default(), gdkWindow);
 | ||
|   if (monitor) {
 | ||
|     GdkRectangle workArea;
 | ||
|     s_gdk_monitor_get_workarea(monitor, &workArea);
 | ||
|     // The monitor offset won't help us in Wayland, because we can't get the
 | ||
|     // absolute position of our window.
 | ||
|     aRect->x = aRect->y = 0;
 | ||
|     aRect->width = workArea.width;
 | ||
|     aRect->height = workArea.height;
 | ||
|     LOG(("  workarea for [%p], monitor %p: x%d y%d w%d h%d\n", this, monitor,
 | ||
|          workArea.x, workArea.y, workArea.width, workArea.height));
 | ||
|     return NS_OK;
 | ||
|   }
 | ||
|   return NS_ERROR_NOT_IMPLEMENTED;
 | ||
| }
 | ||
| #endif
 | ||
| 
 | ||
| bool nsWindow::GetTopLevelWindowActiveState(nsIFrame* aFrame) {
 | ||
|   // Used by window frame and button box rendering. We can end up in here in
 | ||
|   // the content process when rendering one of these moz styles freely in a
 | ||
|   // page. Fail in this case, there is no applicable window focus state.
 | ||
|   if (!XRE_IsParentProcess()) {
 | ||
|     return false;
 | ||
|   }
 | ||
|   // All headless windows are considered active so they are painted.
 | ||
|   if (gfxPlatform::IsHeadless()) {
 | ||
|     return true;
 | ||
|   }
 | ||
|   // Get the widget. nsIFrame's GetNearestWidget walks up the view chain
 | ||
|   // until it finds a real window.
 | ||
|   nsWindow* window = static_cast<nsWindow*>(aFrame->GetNearestWidget());
 | ||
|   if (!window) {
 | ||
|     return false;
 | ||
|   }
 | ||
| 
 | ||
|   // Get our toplevel nsWindow.
 | ||
|   if (!window->mIsTopLevel) {
 | ||
|     GtkWidget* widget = window->GetMozContainerWidget();
 | ||
|     if (!widget) {
 | ||
|       return false;
 | ||
|     }
 | ||
| 
 | ||
|     GtkWidget* toplevelWidget = gtk_widget_get_toplevel(widget);
 | ||
|     window = get_window_for_gtk_widget(toplevelWidget);
 | ||
|     if (!window) {
 | ||
|       return false;
 | ||
|     }
 | ||
|   }
 | ||
| 
 | ||
|   return !window->mTitlebarBackdropState;
 | ||
| }
 | ||
| 
 | ||
| static nsIFrame* FindTitlebarFrame(nsIFrame* aFrame) {
 | ||
|   for (nsIFrame* childFrame : aFrame->PrincipalChildList()) {
 | ||
|     StyleAppearance appearance =
 | ||
|         childFrame->StyleDisplay()->EffectiveAppearance();
 | ||
|     if (appearance == StyleAppearance::MozWindowTitlebar ||
 | ||
|         appearance == StyleAppearance::MozWindowTitlebarMaximized) {
 | ||
|       return childFrame;
 | ||
|     }
 | ||
| 
 | ||
|     if (nsIFrame* foundFrame = FindTitlebarFrame(childFrame)) {
 | ||
|       return foundFrame;
 | ||
|     }
 | ||
|   }
 | ||
|   return nullptr;
 | ||
| }
 | ||
| 
 | ||
| nsIFrame* nsWindow::GetFrame(void) {
 | ||
|   nsView* view = nsView::GetViewFor(this);
 | ||
|   if (!view) {
 | ||
|     return nullptr;
 | ||
|   }
 | ||
|   return view->GetFrame();
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::UpdateMozWindowActive() {
 | ||
|   // Update activation state for the :-moz-window-inactive pseudoclass.
 | ||
|   // Normally, this follows focus; we override it here to follow
 | ||
|   // GDK_WINDOW_STATE_FOCUSED.
 | ||
|   if (mozilla::dom::Document* document = GetDocument()) {
 | ||
|     if (nsPIDOMWindowOuter* window = document->GetWindow()) {
 | ||
|       if (RefPtr<mozilla::dom::BrowsingContext> bc =
 | ||
|               window->GetBrowsingContext()) {
 | ||
|         bc->SetIsActiveBrowserWindow(!mTitlebarBackdropState);
 | ||
|       }
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::ForceTitlebarRedraw(void) {
 | ||
|   MOZ_ASSERT(mDrawInTitlebar, "We should not redraw invisible titlebar.");
 | ||
| 
 | ||
|   if (!mWidgetListener || !mWidgetListener->GetPresShell()) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   nsIFrame* frame = GetFrame();
 | ||
|   if (!frame) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   frame = FindTitlebarFrame(frame);
 | ||
|   if (frame) {
 | ||
|     nsIContent* content = frame->GetContent();
 | ||
|     if (content) {
 | ||
|       nsLayoutUtils::PostRestyleEvent(content->AsElement(), RestyleHint{0},
 | ||
|                                       nsChangeHint_RepaintFrame);
 | ||
|     }
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| GtkTextDirection nsWindow::GetTextDirection() {
 | ||
|   nsIFrame* frame = GetFrame();
 | ||
|   if (!frame) {
 | ||
|     return GTK_TEXT_DIR_LTR;
 | ||
|   }
 | ||
| 
 | ||
|   WritingMode wm = frame->GetWritingMode();
 | ||
|   return wm.IsPhysicalLTR() ? GTK_TEXT_DIR_LTR : GTK_TEXT_DIR_RTL;
 | ||
| }
 | ||
| 
 | ||
| void nsWindow::LockAspectRatio(bool aShouldLock) {
 | ||
|   if (!gUseAspectRatio) {
 | ||
|     return;
 | ||
|   }
 | ||
| 
 | ||
|   if (aShouldLock) {
 | ||
|     int decWidth = 0, decHeight = 0;
 | ||
|     AddCSDDecorationSize(&decWidth, &decHeight);
 | ||
| 
 | ||
|     float width =
 | ||
|         (float)DevicePixelsToGdkCoordRoundDown(mBounds.width) + decWidth;
 | ||
|     float height =
 | ||
|         (float)DevicePixelsToGdkCoordRoundDown(mBounds.height) + decHeight;
 | ||
| 
 | ||
|     mAspectRatio = width / height;
 | ||
|     LOG(("nsWindow::LockAspectRatio() [%p] width %f height %f aspect %f\n",
 | ||
|          (void*)this, width, height, mAspectRatio));
 | ||
|   } else {
 | ||
|     mAspectRatio = 0.0;
 | ||
|     LOG(("nsWindow::LockAspectRatio() [%p] removed aspect ratio\n",
 | ||
|          (void*)this));
 | ||
|   }
 | ||
| 
 | ||
|   ApplySizeConstraints();
 | ||
| }
 | ||
| 
 | ||
| #ifdef MOZ_WAYLAND
 | ||
| void nsWindow::SetEGLNativeWindowSize(
 | ||
|     const LayoutDeviceIntSize& aEGLWindowSize) {
 | ||
|   if (mContainer && !mIsX11Display) {
 | ||
|     moz_container_wayland_egl_window_set_size(mContainer, aEGLWindowSize.width,
 | ||
|                                               aEGLWindowSize.height);
 | ||
|   }
 | ||
| }
 | ||
| 
 | ||
| nsWindow* nsWindow::GetFocusedWindow() { return gFocusWindow; }
 | ||
| #endif
 | ||
| 
 | ||
| LayoutDeviceIntRect nsWindow::GetMozContainerSize() {
 | ||
|   LayoutDeviceIntRect size(0, 0, 0, 0);
 | ||
|   if (mContainer) {
 | ||
|     GtkAllocation allocation;
 | ||
|     gtk_widget_get_allocation(GTK_WIDGET(mContainer), &allocation);
 | ||
|     int scale = GdkScaleFactor();
 | ||
|     size.width = allocation.width * scale;
 | ||
|     size.height = allocation.height * scale;
 | ||
|   }
 | ||
|   return size;
 | ||
| }
 | 
