forked from mirrors/gecko-dev
395 lines
16 KiB
C++
395 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_AppWindow_h__
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#define mozilla_AppWindow_h__
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// Local Includes
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#include "nsChromeTreeOwner.h"
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#include "nsContentTreeOwner.h"
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// Helper classes
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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#include "nsString.h"
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#include "nsWeakReference.h"
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#include "nsCOMArray.h"
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#include "nsDocShell.h"
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#include "nsRect.h"
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#include "Units.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/Mutex.h"
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// Interfaces needed
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#include "nsIBaseWindow.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIAppWindow.h"
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#include "nsIPrompt.h"
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#include "nsIAuthPrompt.h"
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#include "nsIXULBrowserWindow.h"
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#include "nsIWidgetListener.h"
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#include "nsIRemoteTab.h"
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#include "nsIWebProgressListener.h"
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#include "nsITimer.h"
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#include "nsIXULStore.h"
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class nsAtom;
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class nsXULTooltipListener;
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namespace mozilla {
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class PresShell;
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class AppWindowTimerCallback;
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class L10nReadyPromiseHandler;
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namespace dom {
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class Element;
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} // namespace dom
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namespace widget {
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struct InitData;
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} // namespace widget
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} // namespace mozilla
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// AppWindow
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#define NS_APPWINDOW_IMPL_CID \
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{ /* 8eaec2f3-ed02-4be2-8e0f-342798477298 */ \
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0x8eaec2f3, 0xed02, 0x4be2, { \
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0x8e, 0x0f, 0x34, 0x27, 0x98, 0x47, 0x72, 0x98 \
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} \
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}
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class nsContentShellInfo;
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namespace mozilla {
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class AppWindow final : public nsIBaseWindow,
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public nsIInterfaceRequestor,
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public nsIAppWindow,
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public nsSupportsWeakReference,
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public nsIWebProgressListener {
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friend class ::nsChromeTreeOwner;
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friend class ::nsContentTreeOwner;
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public:
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// The implementation of non-refcounted nsIWidgetListener, which would hold a
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// strong reference on stack before calling AppWindow's
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// MOZ_CAN_RUN_SCRIPT methods.
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class WidgetListenerDelegate : public nsIWidgetListener {
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public:
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explicit WidgetListenerDelegate(AppWindow* aAppWindow)
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: mAppWindow(aAppWindow) {}
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual nsIAppWindow* GetAppWindow() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual mozilla::PresShell* GetPresShell() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool WindowMoved(nsIWidget* aWidget, int32_t x, int32_t y,
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ByMoveToRect) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool WindowResized(nsIWidget* aWidget, int32_t aWidth,
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int32_t aHeight) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool RequestWindowClose(nsIWidget* aWidget) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void SizeModeChanged(nsSizeMode sizeMode) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void MacFullscreenMenubarOverlapChanged(
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mozilla::DesktopCoord aOverlapAmount) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void OcclusionStateChanged(bool aIsFullyOccluded) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void OSToolbarButtonPressed() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual bool ZLevelChanged(bool aImmediate, nsWindowZ* aPlacement,
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nsIWidget* aRequestBelow,
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nsIWidget** aActualBelow) override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void WindowActivated() override;
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MOZ_CAN_RUN_SCRIPT_BOUNDARY
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virtual void WindowDeactivated() override;
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private:
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// The lifetime of WidgetListenerDelegate is bound to AppWindow so
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// we just use a raw pointer here.
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AppWindow* mAppWindow;
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};
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSIAPPWINDOW
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NS_DECL_NSIBASEWINDOW
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_APPWINDOW_IMPL_CID)
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void LockUntilChromeLoad() { mLockedUntilChromeLoad = true; }
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bool IsLocked() const { return mLockedUntilChromeLoad; }
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void IgnoreXULSizeMode(bool aEnable) { mIgnoreXULSizeMode = aEnable; }
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void WasRegistered() { mRegistered = true; }
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using nsIBaseWindow::GetPositionAndSize;
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using nsIBaseWindow::GetSize;
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// AppWindow methods...
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nsresult Initialize(nsIAppWindow* aParent, nsIAppWindow* aOpener,
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int32_t aInitialWidth, int32_t aInitialHeight,
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bool aIsHiddenWindow, widget::InitData& widgetInitData);
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nsDocShell* GetDocShell() { return mDocShell; }
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nsresult Toolbar();
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// nsIWebProgressListener
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NS_DECL_NSIWEBPROGRESSLISTENER
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// nsIWidgetListener methods for WidgetListenerDelegate.
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nsIAppWindow* GetAppWindow() { return this; }
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mozilla::PresShell* GetPresShell();
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MOZ_CAN_RUN_SCRIPT
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bool WindowMoved(nsIWidget* aWidget, int32_t aX, int32_t aY);
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MOZ_CAN_RUN_SCRIPT
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bool WindowResized(nsIWidget* aWidget, int32_t aWidth, int32_t aHeight);
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MOZ_CAN_RUN_SCRIPT bool RequestWindowClose(nsIWidget* aWidget);
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MOZ_CAN_RUN_SCRIPT void SizeModeChanged(nsSizeMode aSizeMode);
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MOZ_CAN_RUN_SCRIPT void FullscreenWillChange(bool aInFullscreen);
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MOZ_CAN_RUN_SCRIPT void FullscreenChanged(bool aInFullscreen);
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MOZ_CAN_RUN_SCRIPT void MacFullscreenMenubarOverlapChanged(
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mozilla::DesktopCoord aOverlapAmount);
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MOZ_CAN_RUN_SCRIPT void OcclusionStateChanged(bool aIsFullyOccluded);
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void RecomputeBrowsingContextVisibility();
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MOZ_CAN_RUN_SCRIPT void OSToolbarButtonPressed();
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MOZ_CAN_RUN_SCRIPT
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bool ZLevelChanged(bool aImmediate, nsWindowZ* aPlacement,
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nsIWidget* aRequestBelow, nsIWidget** aActualBelow);
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MOZ_CAN_RUN_SCRIPT void WindowActivated();
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MOZ_CAN_RUN_SCRIPT void WindowDeactivated();
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explicit AppWindow(uint32_t aChromeFlags);
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protected:
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enum class PersistentAttribute : uint8_t {
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Position,
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Size,
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Misc,
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};
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using PersistentAttributes = EnumSet<PersistentAttribute>;
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static PersistentAttributes AllPersistentAttributes() {
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return {PersistentAttribute::Position, PersistentAttribute::Size,
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PersistentAttribute::Misc};
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}
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virtual ~AppWindow();
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friend class mozilla::AppWindowTimerCallback;
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MOZ_CAN_RUN_SCRIPT bool ExecuteCloseHandler();
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void ConstrainToOpenerScreen(int32_t* aX, int32_t* aY);
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void SetPersistenceTimer(uint32_t aDirtyFlags);
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void FirePersistenceTimer();
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NS_IMETHOD EnsureChromeTreeOwner();
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NS_IMETHOD EnsureContentTreeOwner();
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NS_IMETHOD EnsurePrimaryContentTreeOwner();
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NS_IMETHOD EnsurePrompter();
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NS_IMETHOD EnsureAuthPrompter();
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NS_IMETHOD ForceRoundedDimensions();
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NS_IMETHOD GetAvailScreenSize(int32_t* aAvailWidth, int32_t* aAvailHeight);
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void FinishFullscreenChange(bool aInFullscreen);
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void ApplyChromeFlags();
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MOZ_CAN_RUN_SCRIPT_BOUNDARY void SizeShell();
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void OnChromeLoaded();
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void StaggerPosition(int32_t& aRequestedX, int32_t& aRequestedY,
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int32_t aSpecWidth, int32_t aSpecHeight);
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bool LoadPositionFromXUL(int32_t aSpecWidth, int32_t aSpecHeight);
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bool LoadSizeFromXUL(int32_t& aSpecWidth, int32_t& aSpecHeight);
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void SetSpecifiedSize(int32_t aSpecWidth, int32_t aSpecHeight);
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bool UpdateWindowStateFromMiscXULAttributes();
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void SyncAttributesToWidget();
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void SavePersistentAttributes(PersistentAttributes);
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void MaybeSavePersistentPositionAndSize(PersistentAttributes,
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dom::Element& aRootElement,
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const nsAString& aPersistString,
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bool aShouldPersist);
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void MaybeSavePersistentMiscAttributes(PersistentAttributes,
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dom::Element& aRootElement,
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const nsAString& aPersistString,
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bool aShouldPersist);
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void SavePersistentAttributes() {
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SavePersistentAttributes(mPersistentAttributesDirty);
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}
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bool NeedsTooltipListener();
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void AddTooltipSupport();
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void RemoveTooltipSupport();
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NS_IMETHOD GetWindowDOMWindow(mozIDOMWindowProxy** aDOMWindow);
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dom::Element* GetWindowDOMElement() const;
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// See nsIDocShellTreeOwner for docs on next two methods
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nsresult ContentShellAdded(nsIDocShellTreeItem* aContentShell, bool aPrimary);
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nsresult ContentShellRemoved(nsIDocShellTreeItem* aContentShell);
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NS_IMETHOD GetPrimaryContentSize(int32_t* aWidth, int32_t* aHeight);
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NS_IMETHOD SetPrimaryContentSize(int32_t aWidth, int32_t aHeight);
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nsresult GetRootShellSize(int32_t* aWidth, int32_t* aHeight);
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nsresult SetRootShellSize(int32_t aWidth, int32_t aHeight);
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NS_IMETHOD SizeShellTo(nsIDocShellTreeItem* aShellItem, int32_t aCX,
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int32_t aCY);
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NS_IMETHOD ExitModalLoop(nsresult aStatus);
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NS_IMETHOD CreateNewChromeWindow(int32_t aChromeFlags,
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nsIAppWindow** _retval);
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NS_IMETHOD CreateNewContentWindow(int32_t aChromeFlags,
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nsIOpenWindowInfo* aOpenWindowInfo,
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nsIAppWindow** _retval);
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NS_IMETHOD GetHasPrimaryContent(bool* aResult);
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void EnableParent(bool aEnable);
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bool ConstrainToZLevel(bool aImmediate, nsWindowZ* aPlacement,
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nsIWidget* aReqBelow, nsIWidget** aActualBelow);
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void PlaceWindowLayersBehind(uint32_t aLowLevel, uint32_t aHighLevel,
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nsIAppWindow* aBehind);
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void SetContentScrollbarVisibility(bool aVisible);
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enum PersistentAttributeUpdate { Sync, Async };
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void PersistentAttributesDirty(PersistentAttributes,
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PersistentAttributeUpdate);
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nsresult GetTabCount(uint32_t* aResult);
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void LoadPersistentWindowState();
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nsresult GetPersistentValue(const nsAtom* aAttr, nsAString& aValue);
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nsresult SetPersistentValue(const nsAtom* aAttr, const nsAString& aValue);
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// Saves window size and positioning values in order to display a very early
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// skeleton UI. This has to happen before we can reasonably initialize the
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// xulstore (i.e., before even loading libxul), so they have to use a special
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// purpose store to do so.
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nsresult MaybeSaveEarlyWindowPersistentValues(
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const LayoutDeviceIntRect& aRect);
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// Gets the uri spec and the window element ID for this window.
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nsresult GetDocXulStoreKeys(nsString& aUriSpec, nsString& aWindowElementId);
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// Enum for the current state of a fullscreen change.
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//
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// It is used to ensure that fullscreen change is issued after both
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// the window state change and the window size change at best effort.
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// This is needed because some platforms can't guarantee the order
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// between such two events.
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//
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// It's changed in the following way:
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// +---------------------------+--------------------------------------+
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// | | |
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// | v |
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// | NotChanging |
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// | + |
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// | | FullscreenWillChange |
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// | v |
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// | +-----------+ WillChange +------------------+ |
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// | | WindowResized FullscreenChanged | |
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// | v v |
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// | WidgetResized WidgetEnteredFullscreen |
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// | + or WidgetExitedFullscreen |
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// | | FullscreenChanged + |
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// | v WindowResized or | |
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// +--------+ delayed dispatch | |
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// v |
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// +-------------+
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//
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// The delayed dispatch serves as timeout, which is necessary because it's
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// not even guaranteed that the widget will be resized at all.
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enum class FullscreenChangeState : uint8_t {
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// No current fullscreen change. Any previous change has finished.
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NotChanging,
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// Indicate there is going to be a fullscreen change.
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WillChange,
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// The widget has been resized since WillChange.
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WidgetResized,
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// The widget has entered fullscreen state since WillChange.
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WidgetEnteredFullscreen,
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// The widget has exited fullscreen state since WillChange.
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WidgetExitedFullscreen,
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};
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nsChromeTreeOwner* mChromeTreeOwner;
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nsContentTreeOwner* mContentTreeOwner;
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nsContentTreeOwner* mPrimaryContentTreeOwner;
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nsCOMPtr<nsIWidget> mWindow;
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RefPtr<nsDocShell> mDocShell;
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nsCOMPtr<nsPIDOMWindowOuter> mDOMWindow;
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nsWeakPtr mParentWindow;
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nsCOMPtr<nsIPrompt> mPrompter;
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nsCOMPtr<nsIAuthPrompt> mAuthPrompter;
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nsCOMPtr<nsIXULBrowserWindow> mXULBrowserWindow;
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nsCOMPtr<nsIDocShellTreeItem> mPrimaryContentShell;
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nsresult mModalStatus;
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FullscreenChangeState mFullscreenChangeState;
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bool mContinueModalLoop;
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bool mDebuting; // being made visible right now
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bool mChromeLoaded; // True when chrome has loaded
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bool mSizingShellFromXUL; // true when in SizeShell()
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bool mShowAfterLoad;
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bool mIntrinsicallySized;
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bool mCenterAfterLoad;
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bool mIsHiddenWindow;
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bool mLockedUntilChromeLoad;
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bool mIgnoreXULSize;
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bool mIgnoreXULPosition;
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bool mChromeFlagsFrozen;
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bool mIgnoreXULSizeMode;
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// mDestroying is used to prevent reentry into into Destroy(), which can
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// otherwise happen due to script running as we tear down various things.
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bool mDestroying;
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bool mRegistered;
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// Indicator for whether the client size, instead of the window size, should
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// be maintained in case of a change in their relation.
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bool mDominantClientSize;
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PersistentAttributes mPersistentAttributesDirty;
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PersistentAttributes mPersistentAttributesMask;
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uint32_t mChromeFlags;
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nsCOMPtr<nsIOpenWindowInfo> mInitialOpenWindowInfo;
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nsString mTitle;
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// The screen rect of the opener.
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mozilla::DesktopIntRect mOpenerScreenRect;
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nsCOMPtr<nsIRemoteTab> mPrimaryBrowserParent;
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nsCOMPtr<nsITimer> mSPTimer;
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WidgetListenerDelegate mWidgetListenerDelegate;
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private:
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MOZ_CAN_RUN_SCRIPT void IntrinsicallySizeShell(const CSSIntSize& aWindowDiff,
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int32_t& aSpecWidth,
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int32_t& aSpecHeight);
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// GetPrimaryBrowserParentSize is called from xpidl methods and we don't have
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// a good way to annotate those with MOZ_CAN_RUN_SCRIPT yet. It takes no
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// refcounted args other than "this", and the "this" uses seem ok.
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MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult
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GetPrimaryRemoteTabSize(int32_t* aWidth, int32_t* aHeight);
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nsresult GetPrimaryContentShellSize(int32_t* aWidth, int32_t* aHeight);
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nsresult SetPrimaryRemoteTabSize(int32_t aWidth, int32_t aHeight);
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void SizeShellToWithLimit(int32_t aDesiredWidth, int32_t aDesiredHeight,
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int32_t shellItemWidth, int32_t shellItemHeight);
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nsresult MoveResize(const Maybe<LayoutDeviceIntPoint>& aPosition,
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const Maybe<LayoutDeviceIntSize>& aSize, bool aRepaint);
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nsresult MoveResize(const Maybe<DesktopPoint>& aPosition,
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const Maybe<DesktopSize>& aSize, bool aRepaint);
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nsCOMPtr<nsIXULStore> mLocalStore;
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bool mIsWidgetInFullscreen = false;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(AppWindow, NS_APPWINDOW_IMPL_CID)
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} // namespace mozilla
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#endif /* mozilla_AppWindow_h__ */
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