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fune/dom/base/nsDOMWindowUtils.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsDOMWindowUtils.h"
#include "MobileViewportManager.h"
#include "mozilla/layers/CompositorBridgeChild.h"
#include "mozilla/layers/LayerTransactionChild.h"
#include "nsPresContext.h"
#include "nsCaret.h"
#include "nsContentList.h"
#include "nsError.h"
#include "nsQueryContentEventResult.h"
#include "nsGlobalWindow.h"
#include "nsFocusManager.h"
#include "nsFrameManager.h"
#include "nsRefreshDriver.h"
#include "mozilla/dom/Animation.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/DocumentInlines.h"
#include "mozilla/dom/DOMCollectedFramesBinding.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/Touch.h"
#include "mozilla/dom/UserActivation.h"
#include "mozilla/PendingAnimationTracker.h"
#include "mozilla/ServoStyleSet.h"
#include "mozilla/SharedStyleSheetCache.h"
#include "mozilla/StaticPrefs_test.h"
#include "mozilla/InputTaskManager.h"
#include "nsIObjectLoadingContent.h"
#include "nsIFrame.h"
#include "mozilla/layers/APZCCallbackHelper.h"
#include "mozilla/layers/PCompositorBridgeTypes.h"
#include "mozilla/layers/ShadowLayers.h"
#include "ClientLayerManager.h"
#include "nsQueryObject.h"
#include "CubebDeviceEnumerator.h"
#include "nsIScrollableFrame.h"
#include "nsContentUtils.h"
#include "nsIFrame.h"
#include "nsIWidget.h"
#include "nsCharsetSource.h"
#include "nsJSEnvironment.h"
#include "nsJSUtils.h"
#include "js/experimental/PCCountProfiling.h" // JS::{Start,Stop}PCCountProfiling, JS::PurgePCCounts, JS::GetPCCountScript{Count,Summary,Contents}
#include "js/Object.h" // JS::GetClass
#include "mozilla/ChaosMode.h"
#include "mozilla/CheckedInt.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/PresShell.h"
#include "mozilla/PresShellInlines.h"
#include "mozilla/Span.h"
#include "mozilla/StaticPrefs_layout.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TextEventDispatcher.h"
#include "mozilla/TouchEvents.h"
#include "nsViewManager.h"
#include "nsLayoutUtils.h"
#include "nsComputedDOMStyle.h"
#include "nsCSSProps.h"
#include "nsIDocShell.h"
#include "mozilla/StyleAnimationValue.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FileBinding.h"
#include "mozilla/dom/DOMRect.h"
#include <algorithm>
#if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK)
# include <gdk/gdk.h>
# include <gdk/gdkx.h>
#endif
#include "Layers.h"
#include "mozilla/dom/AudioDeviceInfo.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/BrowserChild.h"
#include "mozilla/dom/IDBFactoryBinding.h"
#include "mozilla/dom/IDBMutableFileBinding.h"
#include "mozilla/dom/IDBMutableFile.h"
#include "mozilla/dom/IndexedDatabaseManager.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/Text.h"
#include "mozilla/dom/quota/PersistenceType.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/layers/FrameUniformityData.h"
#include "mozilla/layers/ShadowLayers.h"
#include "nsPrintfCString.h"
#include "nsViewportInfo.h"
#include "nsIFormControl.h"
//#include "nsWidgetsCID.h"
#include "FrameLayerBuilder.h"
#include "nsDisplayList.h"
#include "nsROCSSPrimitiveValue.h"
#include "nsIBaseWindow.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIInterfaceRequestorUtils.h"
#include "mozilla/Preferences.h"
#include "nsContentPermissionHelper.h"
#include "nsCSSPseudoElements.h" // for PseudoStyleType
#include "nsNetUtil.h"
#include "HTMLImageElement.h"
#include "HTMLCanvasElement.h"
#include "mozilla/css/ImageLoader.h"
#include "mozilla/layers/IAPZCTreeManager.h" // for layers::ZoomToRectBehavior
#include "mozilla/dom/Document.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/StyleSheetInlines.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/dom/TimeoutManager.h"
#include "mozilla/PreloadedStyleSheet.h"
#include "mozilla/ProfilerLabels.h"
#include "mozilla/ProfilerMarkers.h"
#include "mozilla/layers/WebRenderBridgeChild.h"
#include "mozilla/layers/WebRenderLayerManager.h"
#include "mozilla/DisplayPortUtils.h"
#include "mozilla/ResultExtensions.h"
#include "mozilla/ViewportUtils.h"
#include "mozilla/dom/BrowsingContextGroup.h"
#ifdef XP_WIN
# undef GetClassName
#endif
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::ipc;
using namespace mozilla::layers;
using namespace mozilla::widget;
using namespace mozilla::gfx;
class gfxContext;
class OldWindowSize : public LinkedListElement<OldWindowSize> {
public:
static void Set(nsIWeakReference* aWindowRef, const nsSize& aSize) {
OldWindowSize* item = GetItem(aWindowRef);
if (item) {
item->mSize = aSize;
} else {
item = new OldWindowSize(aWindowRef, aSize);
sList.insertBack(item);
}
}
static nsSize GetAndRemove(nsIWeakReference* aWindowRef) {
nsSize result;
if (OldWindowSize* item = GetItem(aWindowRef)) {
result = item->mSize;
delete item;
}
return result;
}
private:
explicit OldWindowSize(nsIWeakReference* aWindowRef, const nsSize& aSize)
: mWindowRef(aWindowRef), mSize(aSize) {}
~OldWindowSize() = default;
;
static OldWindowSize* GetItem(nsIWeakReference* aWindowRef) {
OldWindowSize* item = sList.getFirst();
while (item && item->mWindowRef != aWindowRef) {
item = item->getNext();
}
return item;
}
static LinkedList<OldWindowSize> sList;
nsWeakPtr mWindowRef;
nsSize mSize;
};
/**
* Return the layer that all display items of aFrame were assigned to in the
* last paint, or nullptr if there was no single layer assigned to all of the
* frame's display items (i.e. zero, or more than one).
* This function is for testing purposes and not performance sensitive.
*/
template <class T>
T* mozilla::FrameLayerBuilder::GetDebugSingleOldLayerForFrame(
nsIFrame* aFrame) {
SmallPointerArray<DisplayItemData>* array = aFrame->DisplayItemData();
if (!array) {
return nullptr;
}
Layer* layer = nullptr;
for (DisplayItemData* data : *array) {
DisplayItemData::AssertDisplayItemData(data);
if (data->mLayer->GetType() != T::Type()) {
continue;
}
if (layer && layer != data->mLayer) {
// More than one layer assigned, bail.
return nullptr;
}
layer = data->mLayer;
}
return static_cast<T*>(layer);
}
namespace {
class NativeInputRunnable final : public PrioritizableRunnable {
explicit NativeInputRunnable(already_AddRefed<nsIRunnable>&& aEvent);
~NativeInputRunnable() = default;
public:
static already_AddRefed<nsIRunnable> Create(
already_AddRefed<nsIRunnable>&& aEvent);
};
NativeInputRunnable::NativeInputRunnable(already_AddRefed<nsIRunnable>&& aEvent)
: PrioritizableRunnable(std::move(aEvent),
nsIRunnablePriority::PRIORITY_INPUT_HIGH) {}
/* static */
already_AddRefed<nsIRunnable> NativeInputRunnable::Create(
already_AddRefed<nsIRunnable>&& aEvent) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIRunnable> event(new NativeInputRunnable(std::move(aEvent)));
return event.forget();
}
} // unnamed namespace
LinkedList<OldWindowSize> OldWindowSize::sList;
NS_INTERFACE_MAP_BEGIN(nsDOMWindowUtils)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMWindowUtils)
NS_INTERFACE_MAP_ENTRY(nsIDOMWindowUtils)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsDOMWindowUtils)
NS_IMPL_RELEASE(nsDOMWindowUtils)
nsDOMWindowUtils::nsDOMWindowUtils(nsGlobalWindowOuter* aWindow) {
nsCOMPtr<nsISupports> supports = do_QueryObject(aWindow);
mWindow = do_GetWeakReference(supports);
}
nsDOMWindowUtils::~nsDOMWindowUtils() { OldWindowSize::GetAndRemove(mWindow); }
nsIDocShell* nsDOMWindowUtils::GetDocShell() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (!window) {
return nullptr;
}
return window->GetDocShell();
}
PresShell* nsDOMWindowUtils::GetPresShell() {
nsIDocShell* docShell = GetDocShell();
if (!docShell) {
return nullptr;
}
return docShell->GetPresShell();
}
nsPresContext* nsDOMWindowUtils::GetPresContext() {
nsIDocShell* docShell = GetDocShell();
if (!docShell) {
return nullptr;
}
return docShell->GetPresContext();
}
Document* nsDOMWindowUtils::GetDocument() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (!window) {
return nullptr;
}
return window->GetExtantDoc();
}
LayerTransactionChild* nsDOMWindowUtils::GetLayerTransaction() {
nsIWidget* widget = GetWidget();
if (!widget) return nullptr;
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) return nullptr;
ShadowLayerForwarder* forwarder = renderer->AsShadowForwarder();
return forwarder && forwarder->HasShadowManager()
? forwarder->GetShadowManager()
: nullptr;
}
WebRenderBridgeChild* nsDOMWindowUtils::GetWebRenderBridge() {
if (nsIWidget* widget = GetWidget()) {
if (WindowRenderer* renderer = widget->GetWindowRenderer()) {
if (WebRenderLayerManager* wr = renderer->AsWebRender()) {
return wr->WrBridge();
}
}
}
return nullptr;
}
CompositorBridgeChild* nsDOMWindowUtils::GetCompositorBridge() {
if (nsIWidget* widget = GetWidget()) {
if (WindowRenderer* renderer = widget->GetWindowRenderer()) {
if (CompositorBridgeChild* cbc = renderer->GetCompositorBridgeChild()) {
return cbc;
}
}
}
return nullptr;
}
NS_IMETHODIMP
nsDOMWindowUtils::SyncFlushCompositor() {
if (nsIWidget* widget = GetWidget()) {
if (WindowRenderer* renderer = widget->GetWindowRenderer()) {
if (KnowsCompositor* kc = renderer->AsKnowsCompositor()) {
kc->SyncWithCompositor();
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetImageAnimationMode(uint16_t* aMode) {
NS_ENSURE_ARG_POINTER(aMode);
*aMode = 0;
nsPresContext* presContext = GetPresContext();
if (presContext) {
*aMode = presContext->ImageAnimationMode();
return NS_OK;
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetImageAnimationMode(uint16_t aMode) {
nsPresContext* presContext = GetPresContext();
if (presContext) {
presContext->SetImageAnimationMode(aMode);
return NS_OK;
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDocCharsetIsForced(bool* aIsForced) {
*aIsForced = false;
Document* doc = GetDocument();
if (doc) {
auto source = doc->GetDocumentCharacterSetSource();
*aIsForced = source == kCharsetFromInitialUserForcedAutoDetection ||
source == kCharsetFromFinalUserForcedAutoDetection;
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPhysicalMillimeterInCSSPixels(float* aPhysicalMillimeter) {
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_NOT_AVAILABLE;
}
*aPhysicalMillimeter = nsPresContext::AppUnitsToFloatCSSPixels(
presContext->PhysicalMillimetersToAppUnits(1));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDocumentMetadata(const nsAString& aName,
nsAString& aValue) {
Document* doc = GetDocument();
if (doc) {
RefPtr<nsAtom> name = NS_Atomize(aName);
doc->GetHeaderData(name, aValue);
return NS_OK;
}
aValue.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::UpdateLayerTree() {
if (RefPtr<PresShell> presShell = GetPresShell()) {
// Don't flush throttled animations since it might fire MozAfterPaint event
// (in WebRender it constantly does), thus the reftest harness can't take
// any snapshot until the throttled animations finished.
presShell->FlushPendingNotifications(
ChangesToFlush(FlushType::Display, false /* flush animations */));
RefPtr<nsViewManager> vm = presShell->GetViewManager();
if (nsView* view = vm->GetRootView()) {
nsAutoScriptBlocker scriptBlocker;
presShell->Paint(
view, view->GetBounds(),
PaintFlags::PaintLayers | PaintFlags::PaintSyncDecodeImages);
presShell->GetWindowRenderer()->WaitOnTransactionProcessed();
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetContentViewerSize(uint32_t* aDisplayWidth,
uint32_t* aDisplayHeight) {
PresShell* presShell = GetPresShell();
LayoutDeviceIntSize displaySize;
if (!presShell || !nsLayoutUtils::GetContentViewerSize(
presShell->GetPresContext(), displaySize)) {
return NS_ERROR_FAILURE;
}
*aDisplayWidth = displaySize.width;
*aDisplayHeight = displaySize.height;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetViewportInfo(uint32_t aDisplayWidth,
uint32_t aDisplayHeight, double* aDefaultZoom,
bool* aAllowZoom, double* aMinZoom,
double* aMaxZoom, uint32_t* aWidth,
uint32_t* aHeight, bool* aAutoSize) {
Document* doc = GetDocument();
NS_ENSURE_STATE(doc);
nsViewportInfo info =
doc->GetViewportInfo(ScreenIntSize(aDisplayWidth, aDisplayHeight));
*aDefaultZoom = info.GetDefaultZoom().scale;
*aAllowZoom = info.IsZoomAllowed();
*aMinZoom = info.GetMinZoom().scale;
*aMaxZoom = info.GetMaxZoom().scale;
CSSIntSize size = gfx::RoundedToInt(info.GetSize());
*aWidth = size.width;
*aHeight = size.height;
*aAutoSize = info.IsAutoSizeEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetViewportFitInfo(nsAString& aViewportFit) {
Document* doc = GetDocument();
NS_ENSURE_STATE(doc);
ViewportMetaData metaData = doc->GetViewportMetaData();
if (metaData.mViewportFit.EqualsLiteral("contain")) {
aViewportFit.AssignLiteral("contain");
} else if (metaData.mViewportFit.EqualsLiteral("cover")) {
aViewportFit.AssignLiteral("cover");
} else {
aViewportFit.AssignLiteral("auto");
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDisplayPortForElement(float aXPx, float aYPx,
float aWidthPx, float aHeightPx,
Element* aElement,
uint32_t aPriority) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
if (aElement->GetUncomposedDoc() != presShell->GetDocument()) {
return NS_ERROR_INVALID_ARG;
}
bool hadDisplayPort = false;
bool wasPainted = false;
nsRect oldDisplayPort;
{
DisplayPortPropertyData* currentData =
static_cast<DisplayPortPropertyData*>(
aElement->GetProperty(nsGkAtoms::DisplayPort));
if (currentData) {
if (currentData->mPriority > aPriority) {
return NS_OK;
}
hadDisplayPort = true;
oldDisplayPort = currentData->mRect;
wasPainted = currentData->mPainted;
}
}
nsRect displayport(nsPresContext::CSSPixelsToAppUnits(aXPx),
nsPresContext::CSSPixelsToAppUnits(aYPx),
nsPresContext::CSSPixelsToAppUnits(aWidthPx),
nsPresContext::CSSPixelsToAppUnits(aHeightPx));
aElement->RemoveProperty(nsGkAtoms::MinimalDisplayPort);
aElement->SetProperty(
nsGkAtoms::DisplayPort,
new DisplayPortPropertyData(displayport, aPriority, wasPainted),
nsINode::DeleteProperty<DisplayPortPropertyData>);
DisplayPortUtils::InvalidateForDisplayPortChange(aElement, hadDisplayPort,
oldDisplayPort, displayport);
nsIFrame* rootFrame = presShell->GetRootFrame();
if (rootFrame) {
rootFrame->SchedulePaint();
// If we are hiding something that is a display root then send empty paint
// transaction in order to release retained layers because it won't get
// any more paint requests when it is hidden.
if (displayport.IsEmpty() &&
rootFrame == nsLayoutUtils::GetDisplayRootFrame(rootFrame)) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (widget) {
using PaintFrameFlags = nsLayoutUtils::PaintFrameFlags;
nsLayoutUtils::PaintFrame(
nullptr, rootFrame, nsRegion(), NS_RGB(255, 255, 255),
nsDisplayListBuilderMode::Painting, PaintFrameFlags::WidgetLayers);
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDisplayPortMarginsForElement(
float aLeftMargin, float aTopMargin, float aRightMargin,
float aBottomMargin, Element* aElement, uint32_t aPriority) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
if (aElement->GetUncomposedDoc() != presShell->GetDocument()) {
return NS_ERROR_INVALID_ARG;
}
// Note order change of arguments between our function signature and
// ScreenMargin constructor.
ScreenMargin displayportMargins(aTopMargin, aRightMargin, aBottomMargin,
aLeftMargin);
DisplayPortUtils::SetDisplayPortMargins(
aElement, presShell,
DisplayPortMargins::ForContent(aElement, displayportMargins),
DisplayPortUtils::ClearMinimalDisplayPortProperty::Yes, aPriority);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDisplayPortBaseForElement(int32_t aX, int32_t aY,
int32_t aWidth, int32_t aHeight,
Element* aElement) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
if (aElement->GetUncomposedDoc() != presShell->GetDocument()) {
return NS_ERROR_INVALID_ARG;
}
DisplayPortUtils::SetDisplayPortBase(aElement,
nsRect(aX, aY, aWidth, aHeight));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScrollbarSizes(Element* aElement,
uint32_t* aOutVerticalScrollbarWidth,
uint32_t* aOutHorizontalScrollbarHeight) {
nsIScrollableFrame* scrollFrame =
nsLayoutUtils::FindScrollableFrameFor(aElement);
if (!scrollFrame) {
return NS_ERROR_INVALID_ARG;
}
CSSIntMargin scrollbarSizes =
RoundedToInt(CSSMargin::FromAppUnits(scrollFrame->GetActualScrollbarSizes(
nsIScrollableFrame::ScrollbarSizesOptions::
INCLUDE_VISUAL_VIEWPORT_SCROLLBARS)));
*aOutVerticalScrollbarWidth = scrollbarSizes.LeftRight();
*aOutHorizontalScrollbarHeight = scrollbarSizes.TopBottom();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetResolutionAndScaleTo(float aResolution) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
presShell->SetResolutionAndScaleTo(aResolution, ResolutionChangeOrigin::Test);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetRestoreResolution(float aResolution,
uint32_t aDisplayWidth,
uint32_t aDisplayHeight) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
presShell->SetRestoreResolution(
aResolution, LayoutDeviceIntSize(aDisplayWidth, aDisplayHeight));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetResolution(float* aResolution) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
*aResolution = presShell->GetResolution();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetIsFirstPaint(bool aIsFirstPaint) {
if (PresShell* presShell = GetPresShell()) {
presShell->SetIsFirstPaint(aIsFirstPaint);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsFirstPaint(bool* aIsFirstPaint) {
if (PresShell* presShell = GetPresShell()) {
*aIsFirstPaint = presShell->GetIsFirstPaint();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPresShellId(uint32_t* aPresShellId) {
if (PresShell* presShell = GetPresShell()) {
*aPresShellId = presShell->GetPresShellId();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendMouseEvent(
const nsAString& aType, float aX, float aY, int32_t aButton,
int32_t aClickCount, int32_t aModifiers, bool aIgnoreRootScrollFrame,
float aPressure, unsigned short aInputSourceArg,
bool aIsDOMEventSynthesized, bool aIsWidgetEventSynthesized,
int32_t aButtons, uint32_t aIdentifier, uint8_t aOptionalArgCount,
bool* aPreventDefault) {
return SendMouseEventCommon(
aType, aX, aY, aButton, aClickCount, aModifiers, aIgnoreRootScrollFrame,
aPressure, aInputSourceArg,
aOptionalArgCount >= 7 ? aIdentifier : DEFAULT_MOUSE_POINTER_ID, false,
aPreventDefault, aOptionalArgCount >= 4 ? aIsDOMEventSynthesized : true,
aOptionalArgCount >= 5 ? aIsWidgetEventSynthesized : false,
aOptionalArgCount >= 6 ? aButtons : MOUSE_BUTTONS_NOT_SPECIFIED);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendMouseEventToWindow(
const nsAString& aType, float aX, float aY, int32_t aButton,
int32_t aClickCount, int32_t aModifiers, bool aIgnoreRootScrollFrame,
float aPressure, unsigned short aInputSourceArg,
bool aIsDOMEventSynthesized, bool aIsWidgetEventSynthesized,
int32_t aButtons, uint32_t aIdentifier, uint8_t aOptionalArgCount) {
AUTO_PROFILER_LABEL("nsDOMWindowUtils::SendMouseEventToWindow", OTHER);
return SendMouseEventCommon(
aType, aX, aY, aButton, aClickCount, aModifiers, aIgnoreRootScrollFrame,
aPressure, aInputSourceArg,
aOptionalArgCount >= 7 ? aIdentifier : DEFAULT_MOUSE_POINTER_ID, true,
nullptr, aOptionalArgCount >= 4 ? aIsDOMEventSynthesized : true,
aOptionalArgCount >= 5 ? aIsWidgetEventSynthesized : false,
aOptionalArgCount >= 6 ? aButtons : MOUSE_BUTTONS_NOT_SPECIFIED);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendMouseEventCommon(
const nsAString& aType, float aX, float aY, int32_t aButton,
int32_t aClickCount, int32_t aModifiers, bool aIgnoreRootScrollFrame,
float aPressure, unsigned short aInputSourceArg, uint32_t aPointerId,
bool aToWindow, bool* aPreventDefault, bool aIsDOMEventSynthesized,
bool aIsWidgetEventSynthesized, int32_t aButtons) {
RefPtr<PresShell> presShell = GetPresShell();
PreventDefaultResult preventDefaultResult;
nsresult rv = nsContentUtils::SendMouseEvent(
presShell, aType, aX, aY, aButton, aButtons, aClickCount, aModifiers,
aIgnoreRootScrollFrame, aPressure, aInputSourceArg, aPointerId, aToWindow,
&preventDefaultResult, aIsDOMEventSynthesized, aIsWidgetEventSynthesized);
if (aPreventDefault) {
*aPreventDefault = preventDefaultResult != PreventDefaultResult::No;
}
return rv;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsCORSSafelistedRequestHeader(const nsACString& aName,
const nsACString& aValue,
bool* aRetVal) {
NS_ENSURE_ARG_POINTER(aRetVal);
*aRetVal = nsContentUtils::IsCORSSafelistedRequestHeader(aName, aValue);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendWheelEvent(float aX, float aY, double aDeltaX,
double aDeltaY, double aDeltaZ,
uint32_t aDeltaMode, int32_t aModifiers,
int32_t aLineOrPageDeltaX,
int32_t aLineOrPageDeltaY, uint32_t aOptions) {
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) {
return NS_ERROR_NULL_POINTER;
}
WidgetWheelEvent wheelEvent(true, eWheel, widget);
wheelEvent.mModifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
wheelEvent.mDeltaX = aDeltaX;
wheelEvent.mDeltaY = aDeltaY;
wheelEvent.mDeltaZ = aDeltaZ;
wheelEvent.mDeltaMode = aDeltaMode;
wheelEvent.mIsMomentum = (aOptions & WHEEL_EVENT_CAUSED_BY_MOMENTUM) != 0;
wheelEvent.mIsNoLineOrPageDelta =
(aOptions & WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE) != 0;
wheelEvent.mCustomizedByUserPrefs =
(aOptions & WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS) != 0;
wheelEvent.mLineOrPageDeltaX = aLineOrPageDeltaX;
wheelEvent.mLineOrPageDeltaY = aLineOrPageDeltaY;
wheelEvent.mTime = PR_Now() / 1000;
nsPresContext* presContext = GetPresContext();
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
wheelEvent.mRefPoint =
nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext);
widget->DispatchInputEvent(&wheelEvent);
if (widget->AsyncPanZoomEnabled()) {
// Computing overflow deltas is not compatible with APZ, so if APZ is
// enabled, we skip testing it.
return NS_OK;
}
bool failedX = false;
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_ZERO) &&
wheelEvent.mOverflowDeltaX != 0) {
failedX = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE) &&
wheelEvent.mOverflowDeltaX <= 0) {
failedX = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE) &&
wheelEvent.mOverflowDeltaX >= 0) {
failedX = true;
}
bool failedY = false;
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO) &&
wheelEvent.mOverflowDeltaY != 0) {
failedY = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_POSITIVE) &&
wheelEvent.mOverflowDeltaY <= 0) {
failedY = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_NEGATIVE) &&
wheelEvent.mOverflowDeltaY >= 0) {
failedY = true;
}
#ifdef DEBUG
if (failedX) {
nsPrintfCString debugMsg("SendWheelEvent(): unexpected mOverflowDeltaX: %f",
wheelEvent.mOverflowDeltaX);
NS_WARNING(debugMsg.get());
}
if (failedY) {
nsPrintfCString debugMsg("SendWheelEvent(): unexpected mOverflowDeltaY: %f",
wheelEvent.mOverflowDeltaY);
NS_WARNING(debugMsg.get());
}
#endif
return (!failedX && !failedY) ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendTouchEvent(
const nsAString& aType, const nsTArray<uint32_t>& aIdentifiers,
const nsTArray<int32_t>& aXs, const nsTArray<int32_t>& aYs,
const nsTArray<uint32_t>& aRxs, const nsTArray<uint32_t>& aRys,
const nsTArray<float>& aRotationAngles, const nsTArray<float>& aForces,
int32_t aModifiers, bool aIgnoreRootScrollFrame, bool* aPreventDefault) {
return SendTouchEventCommon(aType, aIdentifiers, aXs, aYs, aRxs, aRys,
aRotationAngles, aForces, aModifiers,
aIgnoreRootScrollFrame, false, aPreventDefault);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendTouchEventToWindow(
const nsAString& aType, const nsTArray<uint32_t>& aIdentifiers,
const nsTArray<int32_t>& aXs, const nsTArray<int32_t>& aYs,
const nsTArray<uint32_t>& aRxs, const nsTArray<uint32_t>& aRys,
const nsTArray<float>& aRotationAngles, const nsTArray<float>& aForces,
int32_t aModifiers, bool aIgnoreRootScrollFrame, bool* aPreventDefault) {
return SendTouchEventCommon(aType, aIdentifiers, aXs, aYs, aRxs, aRys,
aRotationAngles, aForces, aModifiers,
aIgnoreRootScrollFrame, true, aPreventDefault);
}
nsresult nsDOMWindowUtils::SendTouchEventCommon(
const nsAString& aType, const nsTArray<uint32_t>& aIdentifiers,
const nsTArray<int32_t>& aXs, const nsTArray<int32_t>& aYs,
const nsTArray<uint32_t>& aRxs, const nsTArray<uint32_t>& aRys,
const nsTArray<float>& aRotationAngles, const nsTArray<float>& aForces,
int32_t aModifiers, bool aIgnoreRootScrollFrame, bool aToWindow,
bool* aPreventDefault) {
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) {
return NS_ERROR_NULL_POINTER;
}
EventMessage msg;
if (aType.EqualsLiteral("touchstart")) {
msg = eTouchStart;
} else if (aType.EqualsLiteral("touchmove")) {
msg = eTouchMove;
} else if (aType.EqualsLiteral("touchend")) {
msg = eTouchEnd;
} else if (aType.EqualsLiteral("touchcancel")) {
msg = eTouchCancel;
} else {
return NS_ERROR_UNEXPECTED;
}
WidgetTouchEvent event(true, msg, widget);
event.mModifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.mTime = PR_Now();
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_FAILURE;
}
uint32_t count = aIdentifiers.Length();
if (aXs.Length() != count || aYs.Length() != count ||
aRxs.Length() != count || aRys.Length() != count ||
aRotationAngles.Length() != count || aForces.Length() != count) {
return NS_ERROR_INVALID_ARG;
}
event.mTouches.SetCapacity(count);
for (uint32_t i = 0; i < count; ++i) {
LayoutDeviceIntPoint pt = nsContentUtils::ToWidgetPoint(
CSSPoint(aXs[i], aYs[i]), offset, presContext);
LayoutDeviceIntPoint radius = LayoutDeviceIntPoint::FromAppUnitsRounded(
CSSPoint::ToAppUnits(CSSPoint(aRxs[i], aRys[i])),
presContext->AppUnitsPerDevPixel());
RefPtr<Touch> t =
new Touch(aIdentifiers[i], pt, radius, aRotationAngles[i], aForces[i]);
event.mTouches.AppendElement(t);
}
nsEventStatus status = nsEventStatus_eIgnore;
if (aToWindow) {
RefPtr<PresShell> presShell;
nsView* view = nsContentUtils::GetViewToDispatchEvent(
presContext, getter_AddRefs(presShell));
if (!presShell || !view) {
return NS_ERROR_FAILURE;
}
*aPreventDefault = (status == nsEventStatus_eConsumeNoDefault);
return presShell->HandleEvent(view->GetFrame(), &event, false, &status);
}
if (StaticPrefs::test_events_async_enabled()) {
status = widget->DispatchInputEvent(&event).mContentStatus;
} else {
nsresult rv = widget->DispatchEvent(&event, status);
NS_ENSURE_SUCCESS(rv, rv);
}
if (aPreventDefault) {
*aPreventDefault = (status == nsEventStatus_eConsumeNoDefault);
}
return NS_OK;
}
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::CAPS_LOCK) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_CAPS_LOCK),
"Need to sync CapsLock value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::NUM_LOCK) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_NUM_LOCK),
"Need to sync NumLock value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::SHIFT_L) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_SHIFT_LEFT),
"Need to sync ShiftLeft value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::SHIFT_R) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_SHIFT_RIGHT),
"Need to sync ShiftRight value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::CTRL_L) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_CONTROL_LEFT),
"Need to sync ControlLeft value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::CTRL_R) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_CONTROL_RIGHT),
"Need to sync ControlRight value between nsIWidget::Modifiers "
"and nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::ALT_L) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_ALT_LEFT),
"Need to sync AltLeft value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::ALT_R) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_ALT_RIGHT),
"Need to sync AltRight value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::COMMAND_L) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_COMMAND_LEFT),
"Need to sync CommandLeft value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::COMMAND_R) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_COMMAND_RIGHT),
"Need to sync CommandRight value between nsIWidget::Modifiers "
"and nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::HELP) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_HELP),
"Need to sync Help value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::ALTGRAPH) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_ALT_GRAPH),
"Need to sync AltGraph value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(
static_cast<uint32_t>(nsIWidget::Modifiers::FUNCTION) ==
static_cast<uint32_t>(nsIDOMWindowUtils::NATIVE_MODIFIER_FUNCTION),
"Need to sync Function value between nsIWidget::Modifiers and "
"nsIDOMWindowUtils");
static_assert(static_cast<uint32_t>(nsIWidget::Modifiers::NUMERIC_KEY_PAD) ==
static_cast<uint32_t>(
nsIDOMWindowUtils::NATIVE_MODIFIER_NUMERIC_KEY_PAD),
"Need to sync NumericKeyPad value between nsIWidget::Modifiers "
"and nsIDOMWindowUtils");
static nsIWidget::Modifiers GetWidgetModifiers(uint32_t aNativeModifiers) {
nsIWidget::Modifiers widgetModifiers = static_cast<nsIWidget::Modifiers>(
aNativeModifiers &
(nsIWidget::Modifiers::CAPS_LOCK | nsIWidget::Modifiers::NUM_LOCK |
nsIWidget::Modifiers::SHIFT_L | nsIWidget::Modifiers::SHIFT_R |
nsIWidget::Modifiers::CTRL_L | nsIWidget::Modifiers::CTRL_R |
nsIWidget::Modifiers::ALT_L | nsIWidget::Modifiers::ALT_R |
nsIWidget::Modifiers::COMMAND_L | nsIWidget::Modifiers::COMMAND_R |
nsIWidget::Modifiers::HELP | nsIWidget::Modifiers::ALTGRAPH |
nsIWidget::Modifiers::FUNCTION | nsIWidget::Modifiers::NUMERIC_KEY_PAD));
NS_ASSERTION(static_cast<uint32_t>(widgetModifiers) == aNativeModifiers,
"Invalid value is specified to the native modifiers");
return widgetModifiers;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
uint32_t aModifiers,
const nsAString& aCharacters,
const nsAString& aUnmodifiedCharacters,
nsIObserver* aObserver) {
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<int32_t, int32_t, uint32_t, nsString, nsString,
nsIObserver*>(
"nsIWidget::SynthesizeNativeKeyEvent", widget,
&nsIWidget::SynthesizeNativeKeyEvent, aNativeKeyboardLayout,
aNativeKeyCode, static_cast<uint32_t>(GetWidgetModifiers(aModifiers)),
aCharacters, aUnmodifiedCharacters, aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeMouseEvent(int32_t aScreenX, int32_t aScreenY,
uint32_t aNativeMessage, int16_t aButton,
uint32_t aModifierFlags,
Element* aElementOnWidget,
nsIObserver* aObserver) {
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidgetForElement(aElementOnWidget);
if (!widget) {
return NS_ERROR_FAILURE;
}
nsIWidget::NativeMouseMessage message;
switch (aNativeMessage) {
case NATIVE_MOUSE_MESSAGE_BUTTON_DOWN:
message = nsIWidget::NativeMouseMessage::ButtonDown;
break;
case NATIVE_MOUSE_MESSAGE_BUTTON_UP:
message = nsIWidget::NativeMouseMessage::ButtonUp;
break;
case NATIVE_MOUSE_MESSAGE_MOVE:
message = nsIWidget::NativeMouseMessage::Move;
break;
case NATIVE_MOUSE_MESSAGE_ENTER_WINDOW:
message = nsIWidget::NativeMouseMessage::EnterWindow;
break;
case NATIVE_MOUSE_MESSAGE_LEAVE_WINDOW:
message = nsIWidget::NativeMouseMessage::LeaveWindow;
break;
default:
return NS_ERROR_INVALID_ARG;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<LayoutDeviceIntPoint, nsIWidget::NativeMouseMessage,
MouseButton, nsIWidget::Modifiers, nsIObserver*>(
"nsIWidget::SynthesizeNativeMouseEvent", widget,
&nsIWidget::SynthesizeNativeMouseEvent,
LayoutDeviceIntPoint(aScreenX, aScreenY), message,
static_cast<MouseButton>(aButton), GetWidgetModifiers(aModifierFlags),
aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeMouseScrollEvent(
int32_t aScreenX, int32_t aScreenY, uint32_t aNativeMessage, double aDeltaX,
double aDeltaY, double aDeltaZ, uint32_t aModifierFlags,
uint32_t aAdditionalFlags, Element* aElement, nsIObserver* aObserver) {
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidgetForElement(aElement);
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<mozilla::LayoutDeviceIntPoint, uint32_t, double, double,
double, uint32_t, uint32_t, nsIObserver*>(
"nsIWidget::SynthesizeNativeMouseScrollEvent", widget,
&nsIWidget::SynthesizeNativeMouseScrollEvent,
LayoutDeviceIntPoint(aScreenX, aScreenY), aNativeMessage, aDeltaX,
aDeltaY, aDeltaZ, aModifierFlags, aAdditionalFlags, aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeTouchPoint(uint32_t aPointerId,
uint32_t aTouchState, int32_t aScreenX,
int32_t aScreenY, double aPressure,
uint32_t aOrientation,
nsIObserver* aObserver) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
if (aPressure < 0 || aPressure > 1 || aOrientation > 359) {
return NS_ERROR_INVALID_ARG;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<uint32_t, nsIWidget::TouchPointerState,
LayoutDeviceIntPoint, double, uint32_t, nsIObserver*>(
"nsIWidget::SynthesizeNativeTouchPoint", widget,
&nsIWidget::SynthesizeNativeTouchPoint, aPointerId,
(nsIWidget::TouchPointerState)aTouchState,
LayoutDeviceIntPoint(aScreenX, aScreenY), aPressure, aOrientation,
aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeTouchpadPinch(uint32_t aEventPhase, float aScale,
int32_t aScreenX, int32_t aScreenY,
int32_t aModifierFlags) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<nsIWidget::TouchpadPinchPhase, float,
LayoutDeviceIntPoint, int32_t>(
"nsIWidget::SynthesizeNativeTouchPadPinch", widget,
&nsIWidget::SynthesizeNativeTouchPadPinch,
(nsIWidget::TouchpadPinchPhase)aEventPhase, aScale,
LayoutDeviceIntPoint(aScreenX, aScreenY), aModifierFlags)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeTouchTap(int32_t aScreenX, int32_t aScreenY,
bool aLongTap, nsIObserver* aObserver) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<LayoutDeviceIntPoint, bool, nsIObserver*>(
"nsIWidget::SynthesizeNativeTouchTap", widget,
&nsIWidget::SynthesizeNativeTouchTap,
LayoutDeviceIntPoint(aScreenX, aScreenY), aLongTap, aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativePenInput(uint32_t aPointerId,
uint32_t aPointerState, int32_t aScreenX,
int32_t aScreenY, double aPressure,
uint32_t aRotation, int32_t aTiltX,
int32_t aTiltY, nsIObserver* aObserver) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
if (aPressure < 0 || aPressure > 1 || aRotation > 359 || aTiltX < -90 ||
aTiltX > 90 || aTiltY < -90 || aTiltY > 90) {
return NS_ERROR_INVALID_ARG;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<uint32_t, nsIWidget::TouchPointerState,
LayoutDeviceIntPoint, double, uint32_t, int32_t,
int32_t, nsIObserver*>(
"nsIWidget::SynthesizeNativePenInput", widget,
&nsIWidget::SynthesizeNativePenInput, aPointerId,
(nsIWidget::TouchPointerState)aPointerState,
LayoutDeviceIntPoint(aScreenX, aScreenY), aPressure, aRotation,
aTiltX, aTiltY, aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeTouchpadDoubleTap(int32_t aScreenX,
int32_t aScreenY,
int32_t aModifierFlags) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
MOZ_ASSERT(aModifierFlags >= 0);
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<LayoutDeviceIntPoint, uint32_t>(
"nsIWidget::SynthesizeNativeTouchpadDoubleTap", widget,
&nsIWidget::SynthesizeNativeTouchpadDoubleTap,
LayoutDeviceIntPoint(aScreenX, aScreenY), aModifierFlags)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SuppressAnimation(bool aSuppress) {
nsIWidget* widget = GetWidget();
if (widget) {
widget->SuppressAnimation(aSuppress);
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ClearSharedStyleSheetCache() {
SharedStyleSheetCache::Clear();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetParsedStyleSheets(uint32_t* aSheets) {
RefPtr<Document> doc = GetDocument();
if (!doc) {
return NS_ERROR_UNEXPECTED;
}
*aSheets = doc->CSSLoader()->ParsedSheetCount();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ClearNativeTouchSequence(nsIObserver* aObserver) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(
NativeInputRunnable::Create(NewRunnableMethod<nsIObserver*>(
"nsIWidget::ClearNativeTouchSequence", widget,
&nsIWidget::ClearNativeTouchSequence, aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ActivateNativeMenuItemAt(const nsAString& indexString) {
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
return widget->ActivateNativeMenuItemAt(indexString);
}
NS_IMETHODIMP
nsDOMWindowUtils::ForceUpdateNativeMenuAt(const nsAString& indexString) {
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
return widget->ForceUpdateNativeMenuAt(indexString);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetSelectionAsPlaintext(nsAString& aResult) {
// Get the widget to send the event to.
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
return widget->GetSelectionAsPlaintext(aResult);
}
nsIWidget* nsDOMWindowUtils::GetWidget(nsPoint* aOffset) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (window) {
nsIDocShell* docShell = window->GetDocShell();
if (docShell) {
return nsContentUtils::GetWidget(docShell->GetPresShell(), aOffset);
}
}
return nullptr;
}
nsIWidget* nsDOMWindowUtils::GetWidgetForElement(Element* aElement) {
if (!aElement) {
return GetWidget();
}
if (Document* doc = aElement->GetUncomposedDoc()) {
if (PresShell* presShell = doc->GetPresShell()) {
nsIFrame* frame = aElement->GetPrimaryFrame();
if (!frame) {
frame = presShell->GetRootFrame();
}
if (frame) {
return frame->GetNearestWidget();
}
}
}
return nullptr;
}
NS_IMETHODIMP
nsDOMWindowUtils::GarbageCollect(nsICycleCollectorListener* aListener) {
AUTO_PROFILER_LABEL("nsDOMWindowUtils::GarbageCollect", GCCC);
nsJSContext::GarbageCollectNow(JS::GCReason::DOM_UTILS);
nsJSContext::CycleCollectNow(aListener);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CycleCollect(nsICycleCollectorListener* aListener) {
nsJSContext::CycleCollectNow(aListener);
return NS_OK;
}
static bool ParseGCReason(const nsACString& aStr, JS::GCReason* aReason,
JS::GCReason aDefault) {
if (aStr.IsEmpty()) {
*aReason = aDefault;
return true;
}
#define CHECK_REASON(name, _) \
if (aStr.EqualsIgnoreCase(#name)) { \
*aReason = JS::GCReason::name; \
return true; \
}
GCREASONS(CHECK_REASON);
return false;
}
NS_IMETHODIMP
nsDOMWindowUtils::RunNextCollectorTimer(const nsACString& aReason) {
JS::GCReason reason;
if (!ParseGCReason(aReason, &reason, JS::GCReason::DOM_WINDOW_UTILS)) {
return NS_ERROR_INVALID_ARG;
}
nsJSContext::RunNextCollectorTimer(reason);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::PokeGC(const nsACString& aReason) {
JS::GCReason reason;
if (!ParseGCReason(aReason, &reason, JS::GCReason::DOM_WINDOW_UTILS)) {
return NS_ERROR_INVALID_ARG;
}
nsJSContext::PokeGC(reason, nullptr);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendSimpleGestureEvent(const nsAString& aType, float aX,
float aY, uint32_t aDirection,
double aDelta, int32_t aModifiers,
uint32_t aClickCount) {
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) return NS_ERROR_FAILURE;
EventMessage msg;
if (aType.EqualsLiteral("MozSwipeGestureMayStart")) {
msg = eSwipeGestureMayStart;
} else if (aType.EqualsLiteral("MozSwipeGestureStart")) {
msg = eSwipeGestureStart;
} else if (aType.EqualsLiteral("MozSwipeGestureUpdate")) {
msg = eSwipeGestureUpdate;
} else if (aType.EqualsLiteral("MozSwipeGestureEnd")) {
msg = eSwipeGestureEnd;
} else if (aType.EqualsLiteral("MozSwipeGesture")) {
msg = eSwipeGesture;
} else if (aType.EqualsLiteral("MozMagnifyGestureStart")) {
msg = eMagnifyGestureStart;
} else if (aType.EqualsLiteral("MozMagnifyGestureUpdate")) {
msg = eMagnifyGestureUpdate;
} else if (aType.EqualsLiteral("MozMagnifyGesture")) {
msg = eMagnifyGesture;
} else if (aType.EqualsLiteral("MozRotateGestureStart")) {
msg = eRotateGestureStart;
} else if (aType.EqualsLiteral("MozRotateGestureUpdate")) {
msg = eRotateGestureUpdate;
} else if (aType.EqualsLiteral("MozRotateGesture")) {
msg = eRotateGesture;
} else if (aType.EqualsLiteral("MozTapGesture")) {
msg = eTapGesture;
} else if (aType.EqualsLiteral("MozPressTapGesture")) {
msg = ePressTapGesture;
} else if (aType.EqualsLiteral("MozEdgeUIStarted")) {
msg = eEdgeUIStarted;
} else if (aType.EqualsLiteral("MozEdgeUICanceled")) {
msg = eEdgeUICanceled;
} else if (aType.EqualsLiteral("MozEdgeUICompleted")) {
msg = eEdgeUICompleted;
} else {
return NS_ERROR_FAILURE;
}
WidgetSimpleGestureEvent event(true, msg, widget);
event.mModifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.mDirection = aDirection;
event.mDelta = aDelta;
event.mClickCount = aClickCount;
event.mTime = PR_IntervalNow();
nsPresContext* presContext = GetPresContext();
if (!presContext) return NS_ERROR_FAILURE;
event.mRefPoint =
nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext);
nsEventStatus status;
return widget->DispatchEvent(&event, status);
}
NS_IMETHODIMP
nsDOMWindowUtils::ElementFromPoint(float aX, float aY,
bool aIgnoreRootScrollFrame,
bool aFlushLayout, Element** aReturn) {
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
RefPtr<Element> el = doc->ElementFromPointHelper(
aX, aY, aIgnoreRootScrollFrame, aFlushLayout, ViewportType::Layout);
el.forget(aReturn);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::NodesFromRect(float aX, float aY, float aTopSize,
float aRightSize, float aBottomSize,
float aLeftSize, bool aIgnoreRootScrollFrame,
bool aFlushLayout, bool aOnlyVisible,
float aVisibleThreshold,
nsINodeList** aReturn) {
RefPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
auto list = MakeRefPtr<nsSimpleContentList>(doc);
// The visible threshold was omitted or given a zero value (which makes no
// sense), so give a reasonable default.
if (aVisibleThreshold == 0.0f) {
aVisibleThreshold = 1.0f;
}
AutoTArray<RefPtr<nsINode>, 8> nodes;
doc->NodesFromRect(aX, aY, aTopSize, aRightSize, aBottomSize, aLeftSize,
aIgnoreRootScrollFrame, aFlushLayout, aOnlyVisible,
aVisibleThreshold, nodes);
list->SetCapacity(nodes.Length());
for (auto& node : nodes) {
list->AppendElement(node->AsContent());
}
list.forget(aReturn);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetTranslationNodes(nsINode* aRoot,
nsITranslationNodeList** aRetVal) {
NS_ENSURE_ARG_POINTER(aRetVal);
nsCOMPtr<nsIContent> root = do_QueryInterface(aRoot);
NS_ENSURE_STATE(root);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
if (root->OwnerDoc() != doc) {
return NS_ERROR_DOM_WRONG_DOCUMENT_ERR;
}
nsTHashSet<nsIContent*> translationNodesHash(500);
RefPtr<nsTranslationNodeList> list = new nsTranslationNodeList;
uint32_t limit = 15000;
// We begin iteration with content->GetNextNode because we want to explictly
// skip the root tag from being a translation node.
nsIContent* content = root;
while ((limit > 0) && (content = content->GetNextNode(root))) {
if (!content->IsHTMLElement()) {
continue;
}
// Skip elements that usually contain non-translatable text content.
if (content->IsAnyOfHTMLElements(nsGkAtoms::script, nsGkAtoms::iframe,
nsGkAtoms::frameset, nsGkAtoms::frame,
nsGkAtoms::code, nsGkAtoms::noscript,
nsGkAtoms::style)) {
continue;
}
// An element is a translation node if it contains
// at least one text node that has meaningful data
// for translation
for (nsIContent* child = content->GetFirstChild(); child;
child = child->GetNextSibling()) {
if (child->IsText() && child->GetAsText()->HasTextForTranslation()) {
translationNodesHash.Insert(content);
nsIFrame* frame = content->GetPrimaryFrame();
bool isTranslationRoot = frame && frame->IsBlockFrameOrSubclass();
if (!isTranslationRoot) {
// If an element is not a block element, it still
// can be considered a translation root if the parent
// of this element didn't make into the list of nodes
// to be translated.
bool parentInList = false;
nsIContent* parent = content->GetParent();
if (parent) {
parentInList = translationNodesHash.Contains(parent);
}
isTranslationRoot = !parentInList;
}
list->AppendElement(content, isTranslationRoot);
--limit;
break;
}
}
}
*aRetVal = list.forget().take();
return NS_OK;
}
static already_AddRefed<DataSourceSurface> CanvasToDataSourceSurface(
HTMLCanvasElement* aCanvas) {
MOZ_ASSERT(aCanvas);
SurfaceFromElementResult result = nsLayoutUtils::SurfaceFromElement(aCanvas);
MOZ_ASSERT(result.GetSourceSurface());
return result.GetSourceSurface()->GetDataSurface();
}
NS_IMETHODIMP
nsDOMWindowUtils::CompareCanvases(nsISupports* aCanvas1, nsISupports* aCanvas2,
uint32_t* aMaxDifference, uint32_t* retVal) {
nsCOMPtr<nsIContent> contentCanvas1 = do_QueryInterface(aCanvas1);
nsCOMPtr<nsIContent> contentCanvas2 = do_QueryInterface(aCanvas2);
auto* canvas1 = HTMLCanvasElement::FromNodeOrNull(contentCanvas1);
auto* canvas2 = HTMLCanvasElement::FromNodeOrNull(contentCanvas2);
if (NS_WARN_IF(!canvas1) || NS_WARN_IF(!canvas2)) {
return NS_ERROR_FAILURE;
}
RefPtr<DataSourceSurface> img1 = CanvasToDataSourceSurface(canvas1);
RefPtr<DataSourceSurface> img2 = CanvasToDataSourceSurface(canvas2);
if (NS_WARN_IF(!img1) || NS_WARN_IF(!img2) ||
NS_WARN_IF(img1->GetSize() != img2->GetSize())) {
return NS_ERROR_FAILURE;
}
if (img1->Equals(img2)) {
// They point to the same underlying content.
return NS_OK;
}
DataSourceSurface::ScopedMap map1(img1, DataSourceSurface::READ);
DataSourceSurface::ScopedMap map2(img2, DataSourceSurface::READ);
if (NS_WARN_IF(!map1.IsMapped()) || NS_WARN_IF(!map2.IsMapped()) ||
NS_WARN_IF(map1.GetStride() != map2.GetStride())) {
return NS_ERROR_FAILURE;
}
int v;
IntSize size = img1->GetSize();
int32_t stride = map1.GetStride();
// we can optimize for the common all-pass case
if (stride == size.width * 4) {
v = memcmp(map1.GetData(), map2.GetData(), size.width * size.height * 4);
if (v == 0) {
if (aMaxDifference) *aMaxDifference = 0;
*retVal = 0;
return NS_OK;
}
}
uint32_t dc = 0;
uint32_t different = 0;
for (int j = 0; j < size.height; j++) {
unsigned char* p1 = map1.GetData() + j * stride;
unsigned char* p2 = map2.GetData() + j * stride;
v = memcmp(p1, p2, stride);
if (v) {
for (int i = 0; i < size.width; i++) {
if (*(uint32_t*)p1 != *(uint32_t*)p2) {
different++;
dc = std::max((uint32_t)abs(p1[0] - p2[0]), dc);
dc = std::max((uint32_t)abs(p1[1] - p2[1]), dc);
dc = std::max((uint32_t)abs(p1[2] - p2[2]), dc);
dc = std::max((uint32_t)abs(p1[3] - p2[3]), dc);
}
p1 += 4;
p2 += 4;
}
}
}
if (aMaxDifference) *aMaxDifference = dc;
*retVal = different;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsMozAfterPaintPending(bool* aResult) {
NS_ENSURE_ARG_POINTER(aResult);
*aResult = false;
nsPresContext* presContext = GetPresContext();
if (!presContext) return NS_OK;
*aResult = presContext->IsDOMPaintEventPending();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsInputTaskManagerSuspended(bool* aResult) {
*aResult = InputTaskManager::Get()->IsSuspended();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DisableNonTestMouseEvents(bool aDisable) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsIDocShell* docShell = window->GetDocShell();
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
PresShell* presShell = docShell->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
presShell->DisableNonTestMouseEvents(aDisable);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SuppressEventHandling(bool aSuppress) {
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
if (aSuppress) {
doc->SuppressEventHandling();
} else {
doc->UnsuppressEventHandlingAndFireEvents(true);
}
return NS_OK;
}
static nsresult getScrollXYAppUnits(const nsWeakPtr& aWindow, bool aFlushLayout,
nsPoint& aScrollPos) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(aWindow);
nsCOMPtr<Document> doc = window ? window->GetExtantDoc() : nullptr;
NS_ENSURE_STATE(doc);
if (aFlushLayout) {
doc->FlushPendingNotifications(FlushType::Layout);
}
if (PresShell* presShell = doc->GetPresShell()) {
nsIScrollableFrame* sf = presShell->GetRootScrollFrameAsScrollable();
if (sf) {
aScrollPos = sf->GetScrollPosition();
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScrollXY(bool aFlushLayout, int32_t* aScrollX,
int32_t* aScrollY) {
nsPoint scrollPos(0, 0);
nsresult rv = getScrollXYAppUnits(mWindow, aFlushLayout, scrollPos);
NS_ENSURE_SUCCESS(rv, rv);
*aScrollX = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.x);
*aScrollY = nsPresContext::AppUnitsToIntCSSPixels(scrollPos.y);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScrollXYFloat(bool aFlushLayout, float* aScrollX,
float* aScrollY) {
nsPoint scrollPos(0, 0);
nsresult rv = getScrollXYAppUnits(mWindow, aFlushLayout, scrollPos);
NS_ENSURE_SUCCESS(rv, rv);
*aScrollX = nsPresContext::AppUnitsToFloatCSSPixels(scrollPos.x);
*aScrollY = nsPresContext::AppUnitsToFloatCSSPixels(scrollPos.y);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ScrollToVisual(float aOffsetX, float aOffsetY,
int32_t aUpdateType, int32_t aScrollMode) {
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
nsPresContext* presContext = doc->GetPresContext();
NS_ENSURE_TRUE(presContext, NS_ERROR_NOT_AVAILABLE);
// This should only be called on the root content document.
NS_ENSURE_TRUE(presContext->IsRootContentDocument(), NS_ERROR_INVALID_ARG);
FrameMetrics::ScrollOffsetUpdateType updateType;
switch (aUpdateType) {
case UPDATE_TYPE_RESTORE:
updateType = FrameMetrics::eRestore;
break;
case UPDATE_TYPE_MAIN_THREAD:
updateType = FrameMetrics::eMainThread;
break;
default:
return NS_ERROR_INVALID_ARG;
}
ScrollMode scrollMode;
switch (aScrollMode) {
case SCROLL_MODE_INSTANT:
scrollMode = ScrollMode::Instant;
break;
case SCROLL_MODE_SMOOTH:
scrollMode = ScrollMode::SmoothMsd;
break;
default:
return NS_ERROR_INVALID_ARG;
}
presContext->PresShell()->ScrollToVisual(
CSSPoint::ToAppUnits(CSSPoint(aOffsetX, aOffsetY)), updateType,
scrollMode);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetVisualViewportOffsetRelativeToLayoutViewport(
float* aOffsetX, float* aOffsetY) {
*aOffsetX = 0;
*aOffsetY = 0;
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
PresShell* presShell = doc->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_NOT_AVAILABLE);
nsPoint offset = presShell->GetVisualViewportOffsetRelativeToLayoutViewport();
*aOffsetX = nsPresContext::AppUnitsToFloatCSSPixels(offset.x);
*aOffsetY = nsPresContext::AppUnitsToFloatCSSPixels(offset.y);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetVisualViewportOffset(int32_t* aOffsetX,
int32_t* aOffsetY) {
*aOffsetX = 0;
*aOffsetY = 0;
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
PresShell* presShell = doc->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_NOT_AVAILABLE);
nsPoint offset = presShell->GetVisualViewportOffset();
*aOffsetX = nsPresContext::AppUnitsToIntCSSPixels(offset.x);
*aOffsetY = nsPresContext::AppUnitsToIntCSSPixels(offset.y);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::TransformRectLayoutToVisual(float aX, float aY, float aWidth,
float aHeight,
DOMRect** aResult) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
PresShell* presShell = GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_NOT_AVAILABLE);
CSSRect rect(aX, aY, aWidth, aHeight);
rect = ViewportUtils::DocumentRelativeLayoutToVisual(rect, presShell);
RefPtr<DOMRect> outRect = new DOMRect(window);
outRect->SetRect(rect.x, rect.y, rect.width, rect.height);
outRect.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ToScreenRect(float aX, float aY, float aWidth, float aHeight,
DOMRect** aResult) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
PresShell* presShell = GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_NOT_AVAILABLE);
nsCOMPtr<nsIWidget> widget = GetWidget();
NS_ENSURE_TRUE(widget, NS_ERROR_NOT_AVAILABLE);
// Note that if the document is NOT in OOP iframes, i.e. it's in the top level
// content subtree in the same process,
// nsIWidget::WidgetToTopLevelWidgetTransform() doesn't include the desktop
// zoom value, so for documents in the top level content document subtree,
// this ViewportUtils::DocumentRelativeLayoutToVisual call applies the desktop
// zoom value via PresShell::GetResolution() in the function.
CSSRect rect(aX, aY, aWidth, aHeight);
rect = ViewportUtils::DocumentRelativeLayoutToVisual(rect, presShell);
nsPresContext* presContext = presShell->GetPresContext();
MOZ_ASSERT(presContext);
// For OOP iframe documents, we don't have desktop zoom value specifically in
// each iframe documents (i.e. the in-process root presshell's resolution is
// 1.0), instead nsIWidget::WidgetToTopLevelWidgetTransform() includes the
// desktop zoom scale value along with translations by ancestor scroll
// containers, ancestor CSS transforms, etc.
nsRect appUnitsRect = CSSPixel::ToAppUnits(rect);
LayoutDeviceRect devPixelsRect = LayoutDeviceRect::FromAppUnits(
appUnitsRect, presContext->AppUnitsPerDevPixel());
devPixelsRect =
widget->WidgetToTopLevelWidgetTransform().TransformBounds(devPixelsRect) +
widget->TopLevelWidgetToScreenOffset();
appUnitsRect = LayoutDeviceRect::ToAppUnits(
devPixelsRect,
presContext->DeviceContext()->AppUnitsPerDevPixelAtUnitFullZoom());
rect = CSSRect::FromAppUnits(appUnitsRect);
RefPtr<DOMRect> outRect = new DOMRect(window);
outRect->SetRect(rect.x, rect.y, rect.width, rect.height);
outRect.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDynamicToolbarMaxHeight(uint32_t aHeightInScreen) {
if (aHeightInScreen > INT32_MAX) {
return NS_ERROR_INVALID_ARG;
}
RefPtr<nsPresContext> presContext = GetPresContext();
if (!presContext) {
return NS_OK;
}
MOZ_ASSERT(presContext->IsRootContentDocumentCrossProcess());
presContext->SetDynamicToolbarMaxHeight(ScreenIntCoord(aHeightInScreen));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScrollbarSize(bool aFlushLayout, int32_t* aWidth,
int32_t* aHeight) {
*aWidth = 0;
*aHeight = 0;
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
if (aFlushLayout) {
doc->FlushPendingNotifications(FlushType::Layout);
}
PresShell* presShell = doc->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_NOT_AVAILABLE);
nsIScrollableFrame* scrollFrame = presShell->GetRootScrollFrameAsScrollable();
NS_ENSURE_TRUE(scrollFrame, NS_OK);
nsMargin sizes = scrollFrame->GetActualScrollbarSizes();
*aWidth = nsPresContext::AppUnitsToIntCSSPixels(sizes.LeftRight());
*aHeight = nsPresContext::AppUnitsToIntCSSPixels(sizes.TopBottom());
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetBoundsWithoutFlushing(Element* aElement,
DOMRect** aResult) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
NS_ENSURE_ARG_POINTER(aElement);
RefPtr<DOMRect> rect = new DOMRect(window);
nsIFrame* frame = aElement->GetPrimaryFrame();
if (frame) {
nsRect r = nsLayoutUtils::GetAllInFlowRectsUnion(
frame, nsLayoutUtils::GetContainingBlockForClientRect(frame),
nsLayoutUtils::RECTS_ACCOUNT_FOR_TRANSFORMS);
rect->SetLayoutRect(r);
}
rect.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::NeedsFlush(int32_t aFlushType, bool* aResult) {
MOZ_ASSERT(aResult);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
PresShell* presShell = doc->GetPresShell();
NS_ENSURE_STATE(presShell);
FlushType flushType;
switch (aFlushType) {
case FLUSH_STYLE:
flushType = FlushType::Style;
break;
case FLUSH_LAYOUT:
flushType = FlushType::Layout;
break;
case FLUSH_DISPLAY:
flushType = FlushType::Display;
break;
default:
return NS_ERROR_INVALID_ARG;
}
*aResult = presShell->NeedFlush(flushType);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::FlushLayoutWithoutThrottledAnimations() {
nsCOMPtr<Document> doc = GetDocument();
if (doc) {
doc->FlushPendingNotifications(
ChangesToFlush(FlushType::Layout, false /* flush animations */));
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetRootBounds(DOMRect** aResult) {
Document* doc = GetDocument();
NS_ENSURE_STATE(doc);
nsRect bounds(0, 0, 0, 0);
PresShell* presShell = doc->GetPresShell();
if (presShell) {
nsIScrollableFrame* sf = presShell->GetRootScrollFrameAsScrollable();
if (sf) {
bounds = sf->GetScrollRange();
bounds.SetWidth(bounds.Width() + sf->GetScrollPortRect().Width());
bounds.SetHeight(bounds.Height() + sf->GetScrollPortRect().Height());
} else if (presShell->GetRootFrame()) {
bounds = presShell->GetRootFrame()->GetRect();
}
}
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
RefPtr<DOMRect> rect = new DOMRect(window);
rect->SetRect(nsPresContext::AppUnitsToFloatCSSPixels(bounds.x),
nsPresContext::AppUnitsToFloatCSSPixels(bounds.y),
nsPresContext::AppUnitsToFloatCSSPixels(bounds.Width()),
nsPresContext::AppUnitsToFloatCSSPixels(bounds.Height()));
rect.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIMEIsOpen(bool* aState) {
NS_ENSURE_ARG_POINTER(aState);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
// Open state should not be available when IME is not enabled.
InputContext context = widget->GetInputContext();
if (context.mIMEState.mEnabled != IMEEnabled::Enabled) {
return NS_ERROR_NOT_AVAILABLE;
}
if (context.mIMEState.mOpen == IMEState::OPEN_STATE_NOT_SUPPORTED) {
return NS_ERROR_NOT_IMPLEMENTED;
}
*aState = (context.mIMEState.mOpen == IMEState::OPEN);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIMEStatus(uint32_t* aState) {
NS_ENSURE_ARG_POINTER(aState);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
InputContext context = widget->GetInputContext();
*aState = static_cast<uint32_t>(context.mIMEState.mEnabled);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetInputContextOrigin(uint32_t* aOrigin) {
NS_ENSURE_ARG_POINTER(aOrigin);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
InputContext context = widget->GetInputContext();
static_assert(static_cast<uint32_t>(InputContext::Origin::ORIGIN_MAIN) ==
INPUT_CONTEXT_ORIGIN_MAIN);
static_assert(static_cast<uint32_t>(InputContext::Origin::ORIGIN_CONTENT) ==
INPUT_CONTEXT_ORIGIN_CONTENT);
MOZ_ASSERT(context.mOrigin == InputContext::Origin::ORIGIN_MAIN ||
context.mOrigin == InputContext::Origin::ORIGIN_CONTENT);
*aOrigin = static_cast<uint32_t>(context.mOrigin);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFocusedInputType(nsAString& aType) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
aType = widget->GetInputContext().mHTMLInputType;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFocusedActionHint(nsAString& aType) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
aType = widget->GetInputContext().mActionHint;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFocusedInputMode(nsAString& aInputMode) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
aInputMode = widget->GetInputContext().mHTMLInputInputmode;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFocusedAutocapitalize(nsAString& aAutocapitalize) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
aAutocapitalize = widget->GetInputContext().mAutocapitalize;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetViewId(Element* aElement, nsViewID* aResult) {
if (aElement && nsLayoutUtils::FindIDFor(aElement, aResult)) {
return NS_OK;
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScreenPixelsPerCSSPixel(float* aScreenPixels) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
*aScreenPixels = window->GetDevicePixelRatio(CallerType::System);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScreenPixelsPerCSSPixelNoOverride(float* aScreenPixels) {
nsPresContext* presContext = GetPresContext();
if (!presContext) {
*aScreenPixels = 1.0;
return NS_OK;
}
*aScreenPixels =
float(AppUnitsPerCSSPixel()) / float(presContext->AppUnitsPerDevPixel());
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFullZoom(float* aFullZoom) {
*aFullZoom = 1.0f;
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_OK;
}
*aFullZoom = presContext->DeviceContext()->GetFullZoom();
return NS_OK;
}
NS_IMETHODIMP nsDOMWindowUtils::DispatchDOMEventViaPresShellForTesting(
nsINode* aTarget, Event* aEvent, bool* aRetVal) {
NS_ENSURE_STATE(aEvent);
aEvent->SetTrusted(true);
WidgetEvent* internalEvent = aEvent->WidgetEventPtr();
NS_ENSURE_STATE(internalEvent);
// This API is currently used only by EventUtils.js. Thus we should always
// set mIsSynthesizedForTests to true.
internalEvent->mFlags.mIsSynthesizedForTests = true;
nsCOMPtr<nsIContent> content = do_QueryInterface(aTarget);
NS_ENSURE_STATE(content);
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (content->OwnerDoc()->GetWindow() != window) {
return NS_ERROR_DOM_HIERARCHY_REQUEST_ERR;
}
nsCOMPtr<Document> targetDoc = content->GetUncomposedDoc();
NS_ENSURE_STATE(targetDoc);
RefPtr<PresShell> targetPresShell = targetDoc->GetPresShell();
NS_ENSURE_STATE(targetPresShell);
targetDoc->FlushPendingNotifications(FlushType::Layout);
nsEventStatus status = nsEventStatus_eIgnore;
targetPresShell->HandleEventWithTarget(internalEvent, nullptr, content,
&status);
*aRetVal = (status != nsEventStatus_eConsumeNoDefault);
return NS_OK;
}
static void InitEvent(WidgetGUIEvent& aEvent,
LayoutDeviceIntPoint* aPt = nullptr) {
if (aPt) {
aEvent.mRefPoint = *aPt;
}
aEvent.mTime = PR_IntervalNow();
}
NS_IMETHODIMP
nsDOMWindowUtils::SendQueryContentEvent(uint32_t aType, int64_t aOffset,
uint32_t aLength, int32_t aX,
int32_t aY, uint32_t aAdditionalFlags,
nsIQueryContentEventResult** aResult) {
*aResult = nullptr;
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsIDocShell* docShell = window->GetDocShell();
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
PresShell* presShell = docShell->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
nsPresContext* presContext = presShell->GetPresContext();
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
EventMessage message;
switch (aType) {
case QUERY_SELECTED_TEXT:
message = eQuerySelectedText;
break;
case QUERY_TEXT_CONTENT:
message = eQueryTextContent;
break;
case QUERY_CARET_RECT:
message = eQueryCaretRect;
break;
case QUERY_TEXT_RECT:
message = eQueryTextRect;
break;
case QUERY_EDITOR_RECT:
message = eQueryEditorRect;
break;
case QUERY_CHARACTER_AT_POINT:
message = eQueryCharacterAtPoint;
break;
case QUERY_TEXT_RECT_ARRAY:
message = eQueryTextRectArray;
break;
default:
return NS_ERROR_INVALID_ARG;
}
SelectionType selectionType = SelectionType::eNormal;
static const uint32_t kSelectionFlags =
QUERY_CONTENT_FLAG_SELECTION_SPELLCHECK |
QUERY_CONTENT_FLAG_SELECTION_IME_RAWINPUT |
QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDRAWTEXT |
QUERY_CONTENT_FLAG_SELECTION_IME_CONVERTEDTEXT |
QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDCONVERTEDTEXT |
QUERY_CONTENT_FLAG_SELECTION_ACCESSIBILITY |
QUERY_CONTENT_FLAG_SELECTION_FIND |
QUERY_CONTENT_FLAG_SELECTION_URLSECONDARY |
QUERY_CONTENT_FLAG_SELECTION_URLSTRIKEOUT;
switch (aAdditionalFlags & kSelectionFlags) {
case QUERY_CONTENT_FLAG_SELECTION_SPELLCHECK:
selectionType = SelectionType::eSpellCheck;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_RAWINPUT:
selectionType = SelectionType::eIMERawClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDRAWTEXT:
selectionType = SelectionType::eIMESelectedRawClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_CONVERTEDTEXT:
selectionType = SelectionType::eIMEConvertedClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDCONVERTEDTEXT:
selectionType = SelectionType::eIMESelectedClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_ACCESSIBILITY:
selectionType = SelectionType::eAccessibility;
break;
case QUERY_CONTENT_FLAG_SELECTION_FIND:
selectionType = SelectionType::eFind;
break;
case QUERY_CONTENT_FLAG_SELECTION_URLSECONDARY:
selectionType = SelectionType::eURLSecondary;
break;
case QUERY_CONTENT_FLAG_SELECTION_URLSTRIKEOUT:
selectionType = SelectionType::eURLStrikeout;
break;
case 0:
break;
default:
return NS_ERROR_INVALID_ARG;
}
if (selectionType != SelectionType::eNormal &&
message != eQuerySelectedText) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIWidget> targetWidget = widget;
LayoutDeviceIntPoint pt(aX, aY);
WidgetQueryContentEvent::Options options;
options.mUseNativeLineBreak =
!(aAdditionalFlags & QUERY_CONTENT_FLAG_USE_XP_LINE_BREAK);
options.mRelativeToInsertionPoint =
(aAdditionalFlags &
QUERY_CONTENT_FLAG_OFFSET_RELATIVE_TO_INSERTION_POINT) != 0;
if (options.mRelativeToInsertionPoint) {
switch (message) {
case eQueryTextContent:
case eQueryCaretRect:
case eQueryTextRect:
break;
default:
return NS_ERROR_INVALID_ARG;
}
} else if (aOffset < 0) {
return NS_ERROR_INVALID_ARG;
}
if (message == eQueryCharacterAtPoint) {
// Looking for the widget at the point.
WidgetQueryContentEvent dummyEvent(true, eQueryContentState, widget);
dummyEvent.Init(options);
InitEvent(dummyEvent, &pt);
nsIFrame* popupFrame = nsLayoutUtils::GetPopupFrameForEventCoordinates(
presContext->GetRootPresContext(), &dummyEvent);
LayoutDeviceIntRect widgetBounds = widget->GetClientBounds();
widgetBounds.MoveTo(0, 0);
// There is no popup frame at the point and the point isn't in our widget,
// we cannot process this request.
NS_ENSURE_TRUE(popupFrame || widgetBounds.Contains(pt), NS_ERROR_FAILURE);
// Fire the event on the widget at the point
if (popupFrame) {
targetWidget = popupFrame->GetNearestWidget();
}
}
pt += widget->WidgetToScreenOffset() - targetWidget->WidgetToScreenOffset();
WidgetQueryContentEvent queryEvent(true, message, targetWidget);
InitEvent(queryEvent, &pt);
switch (message) {
case eQueryTextContent:
queryEvent.InitForQueryTextContent(aOffset, aLength, options);
break;
case eQueryCaretRect:
queryEvent.InitForQueryCaretRect(aOffset, options);
break;
case eQueryTextRect:
queryEvent.InitForQueryTextRect(aOffset, aLength, options);
break;
case eQuerySelectedText:
queryEvent.InitForQuerySelectedText(selectionType, options);
break;
case eQueryTextRectArray:
queryEvent.InitForQueryTextRectArray(aOffset, aLength, options);
break;
default:
queryEvent.Init(options);
break;
}
nsEventStatus status;
nsresult rv = targetWidget->DispatchEvent(&queryEvent, status);
NS_ENSURE_SUCCESS(rv, rv);
auto* result = new nsQueryContentEventResult(std::move(queryEvent));
result->SetEventResult(widget);
NS_ADDREF(*aResult = result);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendSelectionSetEvent(uint32_t aOffset, uint32_t aLength,
uint32_t aAdditionalFlags,
bool* aResult) {
*aResult = false;
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WidgetSelectionEvent selectionEvent(true, eSetSelection, widget);
InitEvent(selectionEvent);
selectionEvent.mOffset = aOffset;
selectionEvent.mLength = aLength;
selectionEvent.mReversed = (aAdditionalFlags & SELECTION_SET_FLAG_REVERSE);
selectionEvent.mUseNativeLineBreak =
!(aAdditionalFlags & SELECTION_SET_FLAG_USE_XP_LINE_BREAK);
nsEventStatus status;
nsresult rv = widget->DispatchEvent(&selectionEvent, status);
NS_ENSURE_SUCCESS(rv, rv);
*aResult = selectionEvent.mSucceeded;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendContentCommandEvent(const nsAString& aType,
nsITransferable* aTransferable,
const nsAString& aString) {
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
EventMessage msg;
if (aType.EqualsLiteral("cut")) {
msg = eContentCommandCut;
} else if (aType.EqualsLiteral("copy")) {
msg = eContentCommandCopy;
} else if (aType.EqualsLiteral("paste")) {
msg = eContentCommandPaste;
} else if (aType.EqualsLiteral("delete")) {
msg = eContentCommandDelete;
} else if (aType.EqualsLiteral("undo")) {
msg = eContentCommandUndo;
} else if (aType.EqualsLiteral("redo")) {
msg = eContentCommandRedo;
} else if (aType.EqualsLiteral("insertText")) {
msg = eContentCommandInsertText;
} else if (aType.EqualsLiteral("pasteTransferable")) {
msg = eContentCommandPasteTransferable;
} else {
return NS_ERROR_FAILURE;
}
WidgetContentCommandEvent event(true, msg, widget);
if (msg == eContentCommandInsertText) {
event.mString.emplace(aString);
}
if (msg == eContentCommandPasteTransferable) {
event.mTransferable = aTransferable;
}
nsEventStatus status;
return widget->DispatchEvent(&event, status);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetClassName(JS::Handle<JS::Value> aObject, JSContext* aCx,
char** aName) {
// Our argument must be a non-null object.
if (aObject.isPrimitive()) {
return NS_ERROR_XPC_BAD_CONVERT_JS;
}
*aName = NS_xstrdup(JS::GetClass(aObject.toObjectOrNull())->name);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetVisitedDependentComputedStyle(
Element* aElement, const nsAString& aPseudoElement,
const nsAString& aPropertyName, nsAString& aResult) {
aResult.Truncate();
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window && aElement);
nsCOMPtr<nsPIDOMWindowInner> innerWindow = window->GetCurrentInnerWindow();
NS_ENSURE_STATE(window);
nsCOMPtr<nsICSSDeclaration> decl;
{
ErrorResult rv;
decl = innerWindow->GetComputedStyle(*aElement, aPseudoElement, rv);
ENSURE_SUCCESS(rv, rv.StealNSResult());
}
nsAutoCString result;
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(true);
nsresult rv =
decl->GetPropertyValue(NS_ConvertUTF16toUTF8(aPropertyName), result);
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(false);
CopyUTF8toUTF16(result, aResult);
return rv;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnterModalState() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->EnterModalState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::LeaveModalState() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->LeaveModalState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsInModalState(bool* retval) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*retval = nsGlobalWindowOuter::Cast(window)->IsInModalState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDesktopModeViewport(bool* retval) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
*retval = window && window->IsDesktopModeViewport();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDesktopModeViewport(bool aDesktopMode) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetDesktopModeViewport(aDesktopMode);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SuspendTimeouts() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCOMPtr<nsPIDOMWindowInner> inner = window->GetCurrentInnerWindow();
NS_ENSURE_TRUE(inner, NS_ERROR_FAILURE);
inner->Suspend();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ResumeTimeouts() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCOMPtr<nsPIDOMWindowInner> inner = window->GetCurrentInnerWindow();
NS_ENSURE_TRUE(inner, NS_ERROR_FAILURE);
inner->Resume();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLayerManagerType(nsAString& aType) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) return NS_ERROR_FAILURE;
renderer->GetBackendName(aType);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLayerManagerRemote(bool* retval) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) return NS_ERROR_FAILURE;
*retval = !!renderer->AsKnowsCompositor();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetUsingAdvancedLayers(bool* retval) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
return NS_ERROR_FAILURE;
}
*retval = false;
if (KnowsCompositor* fwd = renderer->AsKnowsCompositor()) {
*retval = fwd->GetTextureFactoryIdentifier().mUsingAdvancedLayers;
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsWebRenderRequested(bool* retval) {
*retval = gfxPlatform::WebRenderPrefEnabled() ||
gfxPlatform::WebRenderEnvvarEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentAudioBackend(nsAString& aBackend) {
CubebUtils::GetCurrentBackend(aBackend);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentMaxAudioChannels(uint32_t* aChannels) {
*aChannels = CubebUtils::MaxNumberOfChannels();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentPreferredSampleRate(uint32_t* aRate) {
*aRate = CubebUtils::PreferredSampleRate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DefaultDevicesRoundTripLatency(Promise** aOutPromise) {
NS_ENSURE_ARG_POINTER(aOutPromise);
*aOutPromise = nullptr;
nsCOMPtr<nsPIDOMWindowOuter> outer = do_QueryReferent(mWindow);
NS_ENSURE_STATE(outer);
nsCOMPtr<nsPIDOMWindowInner> inner = outer->GetCurrentInnerWindow();
NS_ENSURE_STATE(inner);
ErrorResult err;
RefPtr<Promise> promise = Promise::Create(inner->AsGlobal(), err);
if (NS_WARN_IF(err.Failed())) {
return err.StealNSResult();
}
NS_ADDREF(promise.get());
void* p = reinterpret_cast<void*>(promise.get());
NS_DispatchBackgroundTask(
NS_NewRunnableFunction("DefaultDevicesRoundTripLatency", [p]() {
double mean, stddev;
bool success =
CubebUtils::EstimatedRoundTripLatencyDefaultDevices(&mean, &stddev);
NS_DispatchToMainThread(NS_NewRunnableFunction(
"DefaultDevicesRoundTripLatency", [p, success, mean, stddev]() {
Promise* promise = reinterpret_cast<Promise*>(p);
if (!success) {
promise->MaybeReject(NS_ERROR_FAILURE);
NS_RELEASE(promise);
return;
}
nsTArray<double> a;
a.AppendElement(mean);
a.AppendElement(stddev);
promise->MaybeResolve(a);
NS_RELEASE(promise);
}));
}));
promise.forget(aOutPromise);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AudioDevices(uint16_t aSide, nsIArray** aDevices) {
NS_ENSURE_ARG_POINTER(aDevices);
NS_ENSURE_ARG((aSide == AUDIO_INPUT) || (aSide == AUDIO_OUTPUT));
*aDevices = nullptr;
nsresult rv = NS_OK;
nsCOMPtr<nsIMutableArray> devices =
do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<CubebDeviceEnumerator> enumerator = Enumerator::GetInstance();
nsTArray<RefPtr<AudioDeviceInfo>> collection;
if (aSide == AUDIO_INPUT) {
enumerator->EnumerateAudioInputDevices(collection);
} else {
enumerator->EnumerateAudioOutputDevices(collection);
}
for (const auto& device : collection) {
devices->AppendElement(device);
}
devices.forget(aDevices);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StartFrameTimeRecording(uint32_t* startIndex) {
NS_ENSURE_ARG_POINTER(startIndex);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) return NS_ERROR_FAILURE;
const uint32_t kRecordingMinSize = 60 * 10; // 10 seconds @60 fps.
const uint32_t kRecordingMaxSize = 60 * 60 * 60; // One hour
uint32_t bufferSize =
Preferences::GetUint("toolkit.framesRecording.bufferSize", uint32_t(0));
bufferSize = std::min(bufferSize, kRecordingMaxSize);
bufferSize = std::max(bufferSize, kRecordingMinSize);
*startIndex = renderer->StartFrameTimeRecording(bufferSize);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StopFrameTimeRecording(uint32_t startIndex,
nsTArray<float>& frameIntervals) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) return NS_ERROR_FAILURE;
renderer->StopFrameTimeRecording(startIndex, frameIntervals);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AdvanceTimeAndRefresh(int64_t aMilliseconds) {
// Before we advance the time, we should trigger any animations that are
// waiting to start. This is because there are many tests that call this
// which expect animations to start immediately. Ideally, we should make
// all these tests do an asynchronous wait on the corresponding animation's
// 'ready' promise before continuing. Then we could remove the special
// handling here and the code path followed when testing would more closely
// match the code path during regular operation. Filed as bug 1112957.
nsCOMPtr<Document> doc = GetDocument();
if (doc) {
PendingAnimationTracker* tracker = doc->GetPendingAnimationTracker();
if (tracker) {
tracker->TriggerPendingAnimationsNow();
}
}
nsPresContext* presContext = GetPresContext();
if (presContext) {
nsRefreshDriver* driver = presContext->RefreshDriver();
driver->AdvanceTimeAndRefresh(aMilliseconds);
RefPtr<LayerTransactionChild> transaction = GetLayerTransaction();
if (transaction && transaction->IPCOpen()) {
transaction->SendSetTestSampleTime(driver->MostRecentRefresh());
} else if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->SendSetTestSampleTime(driver->MostRecentRefresh());
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLastTransactionId(uint64_t* aLastTransactionId) {
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_UNEXPECTED;
}
nsRefreshDriver* driver = presContext->GetRootPresContext()->RefreshDriver();
*aLastTransactionId = uint64_t(driver->LastTransactionId());
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RestoreNormalRefresh() {
// Kick the compositor out of test mode before the refresh driver, so that
// the refresh driver doesn't send an update that gets ignored by the
// compositor.
RefPtr<LayerTransactionChild> transaction = GetLayerTransaction();
if (transaction && transaction->IPCOpen()) {
transaction->SendLeaveTestMode();
} else if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->SendLeaveTestMode();
}
if (nsPresContext* pc = GetPresContext()) {
nsRefreshDriver* driver = pc->RefreshDriver();
driver->RestoreNormalRefresh();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsTestControllingRefreshes(bool* aResult) {
nsPresContext* pc = GetPresContext();
*aResult =
pc ? pc->RefreshDriver()->IsTestControllingRefreshesEnabled() : false;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetAsyncPanZoomEnabled(bool* aResult) {
nsIWidget* widget = GetWidget();
if (widget) {
*aResult = widget->AsyncPanZoomEnabled();
} else {
*aResult = gfxPlatform::AsyncPanZoomEnabled();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAsyncScrollOffset(Element* aElement, float aX, float aY) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
ScrollableLayerGuid::ViewID viewId;
if (!nsLayoutUtils::FindIDFor(aElement, &viewId)) {
return NS_ERROR_UNEXPECTED;
}
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
return NS_ERROR_FAILURE;
}
if (WebRenderLayerManager* wr = renderer->AsWebRender()) {
WebRenderBridgeChild* wrbc = wr->WrBridge();
if (!wrbc) {
return NS_ERROR_UNEXPECTED;
}
wrbc->SendSetAsyncScrollOffset(viewId, aX, aY);
return NS_OK;
}
ShadowLayerForwarder* forwarder = renderer->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
return NS_ERROR_UNEXPECTED;
}
forwarder->GetShadowManager()->SendSetAsyncScrollOffset(viewId, aX, aY);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAsyncZoom(Element* aRootElement, float aValue) {
if (!aRootElement) {
return NS_ERROR_INVALID_ARG;
}
ScrollableLayerGuid::ViewID viewId;
if (!nsLayoutUtils::FindIDFor(aRootElement, &viewId)) {
return NS_ERROR_UNEXPECTED;
}
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
return NS_ERROR_FAILURE;
}
if (WebRenderLayerManager* wr = renderer->AsWebRender()) {
WebRenderBridgeChild* wrbc = wr->WrBridge();
if (!wrbc) {
return NS_ERROR_UNEXPECTED;
}
wrbc->SendSetAsyncZoom(viewId, aValue);
return NS_OK;
}
ShadowLayerForwarder* forwarder = renderer->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
return NS_ERROR_UNEXPECTED;
}
forwarder->GetShadowManager()->SendSetAsyncZoom(viewId, aValue);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::FlushApzRepaints(bool* aOutResult) {
nsIWidget* widget = GetWidget();
if (!widget) {
*aOutResult = false;
return NS_OK;
}
// If APZ is not enabled, this function is a no-op.
if (!widget->AsyncPanZoomEnabled()) {
*aOutResult = false;
return NS_OK;
}
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
*aOutResult = false;
return NS_OK;
}
if (WebRenderLayerManager* wr = renderer->AsWebRender()) {
WebRenderBridgeChild* wrbc = wr->WrBridge();
if (!wrbc) {
return NS_ERROR_UNEXPECTED;
}
wrbc->SendFlushApzRepaints();
*aOutResult = true;
return NS_OK;
}
ShadowLayerForwarder* forwarder = renderer->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
*aOutResult = false;
return NS_OK;
}
forwarder->GetShadowManager()->SendFlushApzRepaints();
*aOutResult = true;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DisableApzForElement(Element* aElement) {
aElement->SetProperty(nsGkAtoms::apzDisabled, reinterpret_cast<void*>(true));
nsIScrollableFrame* sf = nsLayoutUtils::FindScrollableFrameFor(aElement);
if (!sf) {
return NS_OK;
}
nsIFrame* frame = do_QueryFrame(sf);
if (!frame) {
return NS_OK;
}
frame->SchedulePaint();
return NS_OK;
}
static nsTArray<nsIScrollableFrame*> CollectScrollableAncestors(
nsIFrame* aStart) {
nsTArray<nsIScrollableFrame*> result;
nsIFrame* frame = aStart;
while (frame) {
frame = nsLayoutUtils::GetCrossDocParentFrame(frame);
if (!frame) {
break;
}
nsIScrollableFrame* scrollAncestor =
nsLayoutUtils::GetAsyncScrollableAncestorFrame(frame);
if (!scrollAncestor) {
break;
}
result.AppendElement(scrollAncestor);
frame = do_QueryFrame(scrollAncestor);
}
return result;
}
NS_IMETHODIMP
nsDOMWindowUtils::ZoomToFocusedInput() {
if (!Preferences::GetBool("apz.zoom-to-focused-input.enabled")) {
return NS_OK;
}
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_OK;
}
// If APZ is not enabled, this function is a no-op.
//
// FIXME(emilio): This is not quite true anymore now that we also
// ScrollIntoView() too...
if (!widget->AsyncPanZoomEnabled()) {
return NS_OK;
}
nsFocusManager* fm = nsFocusManager::GetFocusManager();
if (!fm) {
return NS_OK;
}
RefPtr<Element> element = fm->GetFocusedElement();
if (!element) {
return NS_OK;
}
RefPtr<PresShell> presShell =
APZCCallbackHelper::GetRootContentDocumentPresShellForContent(element);
if (!presShell) {
return NS_OK;
}
bool shouldSkip = [&] {
nsIFrame* frame = element->GetPrimaryFrame();
if (!frame) {
return true;
}
// Skip zooming to focused inputs in fixed subtrees, as we'd scroll to the
// top unnecessarily, see bug 1627734.
//
// We could try to teach apz to zoom to a rect only without panning, or
// maybe we could give it a rect offsetted by the root scroll position, if
// we wanted to do this.
for (; frame; frame = nsLayoutUtils::GetCrossDocParentFrame(frame)) {
if (frame->PresShell() == presShell) {
// Note that we only do this if the frame belongs to `presShell` (that
// is, we still zoom in fixed elements in subdocuments, as they're not
// fixed to the root content document).
return nsLayoutUtils::IsInPositionFixedSubtree(frame);
}
frame = frame->PresShell()->GetRootFrame();
}
return false;
}();
// The content may be inside a scrollable subframe inside a non-scrollable
// root content document. In this scenario, we want to ensure that the
// main-thread side knows to scroll the content into view before we get
// the bounding content rect and ask APZ to adjust the visual viewport.
presShell->ScrollContentIntoView(
element, ScrollAxis(kScrollMinimum, WhenToScroll::IfNotVisible),
ScrollAxis(kScrollMinimum, WhenToScroll::IfNotVisible),
ScrollFlags::ScrollOverflowHidden);
if (shouldSkip) {
return NS_OK;
}
RefPtr<Document> document = presShell->GetDocument();
if (!document) {
return NS_OK;
}
uint32_t presShellId;
ScrollableLayerGuid::ViewID viewId;
if (!APZCCallbackHelper::GetOrCreateScrollIdentifiers(
document->GetDocumentElement(), &presShellId, &viewId)) {
return NS_OK;
}
uint32_t flags = layers::DISABLE_ZOOM_OUT;
if (!Preferences::GetBool("formhelper.autozoom") ||
Preferences::GetBool("formhelper.autozoom.force-disable.test-only",
/* aFallback = */ false)) {
flags |= layers::PAN_INTO_VIEW_ONLY;
} else {
flags |= layers::ONLY_ZOOM_TO_DEFAULT_SCALE;
}
nsIScrollableFrame* rootScrollFrame =
presShell->GetRootScrollFrameAsScrollable();
if (!rootScrollFrame) {
return NS_OK;
}
CSSRect bounds;
if (element->IsHTMLElement(nsGkAtoms::input)) {
bounds = nsLayoutUtils::GetBoundingContentRect(element, rootScrollFrame);
} else {
// When focused elment is content editable or <textarea> element,
// focused element will have multi-line content.
nsIFrame* frame = element->GetPrimaryFrame();
if (frame) {
RefPtr<nsCaret> caret = frame->PresShell()->GetCaret();
if (caret && caret->IsVisible()) {
nsRect rect;
if (nsIFrame* frame = caret->GetGeometry(&rect)) {
bounds = nsLayoutUtils::GetBoundingFrameRect(frame, rootScrollFrame);
}
}
}
if (bounds.IsEmpty()) {
// Fallback if no caret frame.
bounds = nsLayoutUtils::GetBoundingContentRect(element, rootScrollFrame);
}
}
if (bounds.IsEmpty()) {
// Do not zoom on empty bounds. Bail out.
return NS_OK;
}
bounds.Inflate(15.0f, 0.0f);
bool waitForRefresh = false;
for (nsIScrollableFrame* scrollAncestor :
CollectScrollableAncestors(element->GetPrimaryFrame())) {
if (scrollAncestor->HasScrollUpdates()) {
waitForRefresh = true;
break;
}
}
if (waitForRefresh) {
waitForRefresh = false;
if (nsPresContext* presContext = presShell->GetPresContext()) {
waitForRefresh = true;
presContext->RegisterManagedPostRefreshObserver(
new ManagedPostRefreshObserver(
presContext, [widget = RefPtr<nsIWidget>(widget), presShellId,
viewId, bounds, flags](bool aWasCanceled) {
if (!aWasCanceled) {
widget->ZoomToRect(presShellId, viewId, bounds, flags);
}
return ManagedPostRefreshObserver::Unregister::Yes;
}));
}
}
if (!waitForRefresh) {
widget->ZoomToRect(presShellId, viewId, bounds, flags);
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ComputeAnimationDistance(Element* aElement,
const nsAString& aProperty,
const nsAString& aValue1,
const nsAString& aValue2,
double* aResult) {
NS_ENSURE_ARG_POINTER(aElement);
nsCSSPropertyID property =
nsCSSProps::LookupProperty(NS_ConvertUTF16toUTF8(aProperty));
if (property == eCSSProperty_UNKNOWN || nsCSSProps::IsShorthand(property)) {
return NS_ERROR_ILLEGAL_VALUE;
}
AnimationValue v1 = AnimationValue::FromString(
property, NS_ConvertUTF16toUTF8(aValue1), aElement);
AnimationValue v2 = AnimationValue::FromString(
property, NS_ConvertUTF16toUTF8(aValue2), aElement);
if (v1.IsNull() || v2.IsNull()) {
return NS_ERROR_ILLEGAL_VALUE;
}
*aResult = v1.ComputeDistance(property, v2);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetUnanimatedComputedStyle(Element* aElement,
const nsAString& aPseudoElement,
const nsAString& aProperty,
int32_t aFlushType,
nsAString& aResult) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsCSSPropertyID propertyID =
nsCSSProps::LookupProperty(NS_ConvertUTF16toUTF8(aProperty));
if (propertyID == eCSSProperty_UNKNOWN ||
nsCSSProps::IsShorthand(propertyID)) {
return NS_ERROR_INVALID_ARG;
}
switch (aFlushType) {
case FLUSH_NONE:
break;
case FLUSH_STYLE: {
if (Document* doc = aElement->GetComposedDoc()) {
doc->FlushPendingNotifications(FlushType::Style);
}
break;
}
default:
return NS_ERROR_INVALID_ARG;
}
RefPtr<PresShell> presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
RefPtr<nsAtom> pseudo = nsCSSPseudoElements::GetPseudoAtom(aPseudoElement);
RefPtr<ComputedStyle> computedStyle =
nsComputedDOMStyle::GetUnanimatedComputedStyleNoFlush(aElement, pseudo);
if (!computedStyle) {
return NS_ERROR_FAILURE;
}
RefPtr<RawServoAnimationValue> value =
Servo_ComputedValues_ExtractAnimationValue(computedStyle, propertyID)
.Consume();
if (!value) {
return NS_ERROR_FAILURE;
}
if (!aElement->GetComposedDoc()) {
return NS_ERROR_FAILURE;
}
nsAutoCString result;
Servo_AnimationValue_Serialize(value, propertyID,
presShell->StyleSet()->RawSet(), &result);
CopyUTF8toUTF16(result, aResult);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDisplayDPI(float* aDPI) {
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
*aDPI = widget->GetDPI();
return NS_OK;
}
#ifdef DEBUG
static bool CheckLeafLayers(Layer* aLayer, const nsIntPoint& aOffset,
nsIntRegion* aCoveredRegion) {
gfx::Matrix transform;
if (!aLayer->GetTransform().Is2D(&transform) ||
transform.HasNonIntegerTranslation()) {
return false;
}
transform.NudgeToIntegers();
IntPoint offset = aOffset + IntPoint::Truncate(transform._31, transform._32);
Layer* child = aLayer->GetFirstChild();
if (child) {
while (child) {
if (!CheckLeafLayers(child, offset, aCoveredRegion)) return false;
child = child->GetNextSibling();
}
} else {
nsIntRegion rgn = aLayer->GetVisibleRegion().ToUnknownRegion();
rgn.MoveBy(offset);
nsIntRegion tmp;
tmp.And(rgn, *aCoveredRegion);
if (!tmp.IsEmpty()) return false;
aCoveredRegion->Or(*aCoveredRegion, rgn);
}
return true;
}
#endif
NS_IMETHODIMP
nsDOMWindowUtils::LeafLayersPartitionWindow(bool* aResult) {
*aResult = true;
#ifdef DEBUG
nsIWidget* widget = GetWidget();
if (!widget) return NS_ERROR_FAILURE;
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) return NS_ERROR_FAILURE;
LayerManager* manager = renderer->AsLayerManager();
if (!manager) return NS_ERROR_FAILURE;
nsPresContext* presContext = GetPresContext();
if (!presContext) return NS_ERROR_FAILURE;
Layer* root = manager->GetRoot();
if (!root) return NS_ERROR_FAILURE;
nsIntPoint offset(0, 0);
nsIntRegion coveredRegion;
if (!CheckLeafLayers(root, offset, &coveredRegion)) {
*aResult = false;
}
if (!coveredRegion.IsEqual(root->GetVisibleRegion().ToUnknownRegion())) {
*aResult = false;
}
#endif
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CheckAndClearPaintedState(Element* aElement, bool* aResult) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsIFrame* frame = aElement->GetPrimaryFrame();
if (!frame) {
*aResult = false;
return NS_OK;
}
// Get the outermost frame for the content node, so that we can test
// canvasframe invalidations by observing the documentElement.
for (;;) {
nsIFrame* parentFrame = frame->GetParent();
if (parentFrame && parentFrame->GetContent() == aElement) {
frame = parentFrame;
} else {
break;
}
}
while (frame) {
if (!frame->CheckAndClearPaintedState()) {
*aResult = false;
return NS_OK;
}
frame = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(frame);
}
*aResult = true;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CheckAndClearDisplayListState(Element* aElement,
bool* aResult) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsIFrame* frame = aElement->GetPrimaryFrame();
if (!frame) {
*aResult = false;
return NS_OK;
}
// Get the outermost frame for the content node, so that we can test
// canvasframe invalidations by observing the documentElement.
for (;;) {
nsIFrame* parentFrame = frame->GetParent();
if (parentFrame && parentFrame->GetContent() == aElement) {
frame = parentFrame;
} else {
break;
}
}
while (frame) {
if (!frame->CheckAndClearDisplayListState()) {
*aResult = false;
return NS_OK;
}
frame = nsLayoutUtils::GetNextContinuationOrIBSplitSibling(frame);
}
*aResult = true;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsPartOfOpaqueLayer(Element* aElement, bool* aResult) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsIFrame* frame = aElement->GetPrimaryFrame();
if (!frame) {
return NS_ERROR_FAILURE;
}
ColorLayer* colorLayer =
FrameLayerBuilder::GetDebugSingleOldLayerForFrame<ColorLayer>(frame);
if (colorLayer) {
auto color = colorLayer->GetColor();
*aResult = color.a == 1.0f;
return NS_OK;
}
PaintedLayer* paintedLayer =
FrameLayerBuilder::GetDebugSingleOldLayerForFrame<PaintedLayer>(frame);
if (paintedLayer) {
*aResult = paintedLayer->IsOpaque();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::NumberOfAssignedPaintedLayers(
const nsTArray<RefPtr<Element>>& aElements, uint32_t* aResult) {
nsTHashSet<PaintedLayer*> layers;
for (Element* element : aElements) {
nsIFrame* frame = element->GetPrimaryFrame();
if (!frame) {
return NS_ERROR_FAILURE;
}
PaintedLayer* layer =
FrameLayerBuilder::GetDebugSingleOldLayerForFrame<PaintedLayer>(frame);
if (!layer) {
return NS_ERROR_FAILURE;
}
layers.Insert(layer);
}
*aResult = layers.Count();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnableDialogs() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsGlobalWindowOuter::Cast(window)->EnableDialogs();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DisableDialogs() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsGlobalWindowOuter::Cast(window)->DisableDialogs();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AreDialogsEnabled(bool* aResult) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
*aResult = nsGlobalWindowOuter::Cast(window)->AreDialogsEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ResetDialogAbuseState() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsGlobalWindowOuter::Cast(window)
->GetBrowsingContextGroup()
->ResetDialogAbuseState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFileId(JS::Handle<JS::Value> aFile, JSContext* aCx,
int64_t* _retval) {
if (aFile.isPrimitive()) {
*_retval = -1;
return NS_OK;
}
JS::Rooted<JSObject*> obj(aCx, aFile.toObjectOrNull());
IDBMutableFile* mutableFile = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, &obj, mutableFile))) {
*_retval = mutableFile->GetFileId();
return NS_OK;
}
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, &obj, blob))) {
*_retval = blob->GetFileId();
return NS_OK;
}
*_retval = -1;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFilePath(JS::HandleValue aFile, JSContext* aCx,
nsAString& _retval) {
if (aFile.isPrimitive()) {
_retval.Truncate();
return NS_OK;
}
JS::Rooted<JSObject*> obj(aCx, aFile.toObjectOrNull());
File* file = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(File, &obj, file))) {
nsString filePath;
ErrorResult rv;
file->GetMozFullPathInternal(filePath, rv);
if (NS_WARN_IF(rv.Failed())) {
return rv.StealNSResult();
}
_retval = filePath;
return NS_OK;
}
_retval.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFileReferences(const nsAString& aDatabaseName, int64_t aId,
JS::Handle<JS::Value> aOptions,
int32_t* aRefCnt, int32_t* aDBRefCnt,
JSContext* aCx, bool* aResult) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCString origin;
MOZ_TRY_VAR(origin, quota::QuotaManager::GetOriginFromWindow(window));
IDBOpenDBOptions options;
JS::Rooted<JS::Value> optionsVal(aCx, aOptions);
if (!options.Init(aCx, optionsVal)) {
return NS_ERROR_UNEXPECTED;
}
const quota::PersistenceType persistenceType =
options.mStorage.WasPassed()
? quota::PersistenceTypeFromStorageType(options.mStorage.Value())
: quota::PERSISTENCE_TYPE_DEFAULT;
RefPtr<IndexedDatabaseManager> mgr = IndexedDatabaseManager::Get();
if (mgr) {
nsresult rv =
mgr->BlockAndGetFileReferences(persistenceType, origin, aDatabaseName,
aId, aRefCnt, aDBRefCnt, aResult);
NS_ENSURE_SUCCESS(rv, rv);
} else {
*aRefCnt = *aDBRefCnt = -1;
*aResult = false;
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::FlushPendingFileDeletions() {
RefPtr<IndexedDatabaseManager> mgr = IndexedDatabaseManager::Get();
if (mgr) {
nsresult rv = mgr->FlushPendingFileDeletions();
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StartPCCountProfiling(JSContext* cx) {
JS::StartPCCountProfiling(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StopPCCountProfiling(JSContext* cx) {
JS::StopPCCountProfiling(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::PurgePCCounts(JSContext* cx) {
JS::PurgePCCounts(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPCCountScriptCount(JSContext* cx, int32_t* result) {
*result = JS::GetPCCountScriptCount(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPCCountScriptSummary(int32_t script, JSContext* cx,
nsAString& result) {
JSString* text = JS::GetPCCountScriptSummary(cx, script);
if (!text) return NS_ERROR_FAILURE;
if (!AssignJSString(cx, result, text)) return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPCCountScriptContents(int32_t script, JSContext* cx,
nsAString& result) {
JSString* text = JS::GetPCCountScriptContents(cx, script);
if (!text) return NS_ERROR_FAILURE;
if (!AssignJSString(cx, result, text)) return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPaintingSuppressed(bool* aPaintingSuppressed) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsIDocShell* docShell = window->GetDocShell();
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
PresShell* presShell = docShell->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
*aPaintingSuppressed = presShell->IsPaintingSuppressed();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetVisualViewportSize(float aWidth, float aHeight) {
if (!(aWidth >= 0.0 && aHeight >= 0.0)) {
return NS_ERROR_ILLEGAL_VALUE;
}
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
presShell->SetVisualViewportSize(nsPresContext::CSSPixelsToAppUnits(aWidth),
nsPresContext::CSSPixelsToAppUnits(aHeight));
return NS_OK;
}
nsresult nsDOMWindowUtils::RemoteFrameFullscreenChanged(
Element* aFrameElement) {
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
doc->RemoteFrameFullscreenChanged(aFrameElement);
return NS_OK;
}
nsresult nsDOMWindowUtils::RemoteFrameFullscreenReverted() {
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
doc->RemoteFrameFullscreenReverted();
return NS_OK;
}
static void PrepareForFullscreenChange(nsIDocShell* aDocShell,
const nsSize& aSize,
nsSize* aOldSize = nullptr) {
if (!aDocShell) {
return;
}
PresShell* presShell = aDocShell->GetPresShell();
if (!presShell) {
return;
}
if (nsRefreshDriver* rd = presShell->GetRefreshDriver()) {
rd->SetIsResizeSuppressed();
// Since we are suppressing the resize reflow which would originally
// be triggered by view manager, we need to ensure that the refresh
// driver actually schedules a flush, otherwise it may get stuck.
rd->ScheduleViewManagerFlush();
}
if (!aSize.IsEmpty()) {
nsCOMPtr<nsIContentViewer> cv;
aDocShell->GetContentViewer(getter_AddRefs(cv));
if (cv) {
nsIntRect cvBounds;
cv->GetBounds(cvBounds);
nscoord auPerDev = presShell->GetPresContext()->AppUnitsPerDevPixel();
if (aOldSize) {
*aOldSize = LayoutDeviceIntSize::ToAppUnits(
LayoutDeviceIntSize::FromUnknownSize(cvBounds.Size()), auPerDev);
}
LayoutDeviceIntSize newSize =
LayoutDeviceIntSize::FromAppUnitsRounded(aSize, auPerDev);
cvBounds.SizeTo(newSize.width, newSize.height);
cv->SetBounds(cvBounds);
}
}
}
NS_IMETHODIMP
nsDOMWindowUtils::HandleFullscreenRequests(bool* aRetVal) {
PROFILER_MARKER_UNTYPED("Enter fullscreen", DOM);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
// Notify the pres shell that we are starting fullscreen change, and
// set the window dimensions in advance. Since the resize message
// comes after the fullscreen change call, doing so could avoid an
// extra resize reflow after this point.
nsRect screenRect;
if (nsPresContext* presContext = GetPresContext()) {
presContext->DeviceContext()->GetRect(screenRect);
}
nsSize oldSize;
PrepareForFullscreenChange(GetDocShell(), screenRect.Size(), &oldSize);
OldWindowSize::Set(mWindow, oldSize);
*aRetVal = Document::HandlePendingFullscreenRequests(doc);
return NS_OK;
}
nsresult nsDOMWindowUtils::ExitFullscreen() {
PROFILER_MARKER_UNTYPED("Exit fullscreen", DOM);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_STATE(doc);
// Although we would not use the old size if we have already exited
// fullscreen, we still want to cleanup in case we haven't.
nsSize oldSize = OldWindowSize::GetAndRemove(mWindow);
if (!doc->GetFullscreenElement()) {
return NS_OK;
}
// Notify the pres shell that we are starting fullscreen change, and
// set the window dimensions in advance. Since the resize message
// comes after the fullscreen change call, doing so could avoid an
// extra resize reflow after this point.
PrepareForFullscreenChange(GetDocShell(), oldSize);
Document::ExitFullscreenInDocTree(doc);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SelectAtPoint(float aX, float aY, uint32_t aSelectBehavior,
bool* _retval) {
*_retval = false;
nsSelectionAmount amount;
switch (aSelectBehavior) {
case nsIDOMWindowUtils::SELECT_CHARACTER:
amount = eSelectCharacter;
break;
case nsIDOMWindowUtils::SELECT_CLUSTER:
amount = eSelectCluster;
break;
case nsIDOMWindowUtils::SELECT_WORD:
amount = eSelectWord;
break;
case nsIDOMWindowUtils::SELECT_LINE:
amount = eSelectLine;
break;
case nsIDOMWindowUtils::SELECT_BEGINLINE:
amount = eSelectBeginLine;
break;
case nsIDOMWindowUtils::SELECT_ENDLINE:
amount = eSelectEndLine;
break;
case nsIDOMWindowUtils::SELECT_PARAGRAPH:
amount = eSelectParagraph;
break;
case nsIDOMWindowUtils::SELECT_WORDNOSPACE:
amount = eSelectWordNoSpace;
break;
default:
return NS_ERROR_INVALID_ARG;
}
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_UNEXPECTED;
}
// The root frame for this content window
nsIFrame* rootFrame = presShell->GetRootFrame();
if (!rootFrame) {
return NS_ERROR_UNEXPECTED;
}
// Get the target frame at the client coordinates passed to us
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
LayoutDeviceIntPoint pt =
nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, GetPresContext());
nsPoint ptInRoot = nsLayoutUtils::GetEventCoordinatesRelativeTo(
widget, pt, RelativeTo{rootFrame});
nsIFrame* targetFrame =
nsLayoutUtils::GetFrameForPoint(RelativeTo{rootFrame}, ptInRoot);
// This can happen if the page hasn't loaded yet or if the point
// is outside the frame.
if (!targetFrame) {
return NS_ERROR_INVALID_ARG;
}
// Convert point to coordinates relative to the target frame, which is
// what targetFrame's SelectByTypeAtPoint expects.
nsPoint relPoint = nsLayoutUtils::GetEventCoordinatesRelativeTo(
widget, pt, RelativeTo{targetFrame});
const RefPtr<nsPresContext> pinnedPresContext{GetPresContext()};
nsresult rv = targetFrame->SelectByTypeAtPoint(
pinnedPresContext, relPoint, amount, amount, nsIFrame::SELECT_ACCUMULATE);
*_retval = !NS_FAILED(rv);
return NS_OK;
}
static Document::additionalSheetType convertSheetType(uint32_t aSheetType) {
switch (aSheetType) {
case nsDOMWindowUtils::AGENT_SHEET:
return Document::eAgentSheet;
case nsDOMWindowUtils::USER_SHEET:
return Document::eUserSheet;
case nsDOMWindowUtils::AUTHOR_SHEET:
return Document::eAuthorSheet;
default:
NS_ASSERTION(false, "wrong type");
// we must return something although this should never happen
return Document::AdditionalSheetTypeCount;
}
}
NS_IMETHODIMP
nsDOMWindowUtils::LoadSheet(nsIURI* aSheetURI, uint32_t aSheetType) {
NS_ENSURE_ARG_POINTER(aSheetURI);
NS_ENSURE_ARG(aSheetType == AGENT_SHEET || aSheetType == USER_SHEET ||
aSheetType == AUTHOR_SHEET);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
Document::additionalSheetType type = convertSheetType(aSheetType);
return doc->LoadAdditionalStyleSheet(type, aSheetURI);
}
NS_IMETHODIMP
nsDOMWindowUtils::LoadSheetUsingURIString(const nsACString& aSheetURI,
uint32_t aSheetType) {
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aSheetURI);
NS_ENSURE_SUCCESS(rv, rv);
return LoadSheet(uri, aSheetType);
}
NS_IMETHODIMP
nsDOMWindowUtils::AddSheet(nsIPreloadedStyleSheet* aSheet,
uint32_t aSheetType) {
NS_ENSURE_ARG_POINTER(aSheet);
NS_ENSURE_ARG(aSheetType == AGENT_SHEET || aSheetType == USER_SHEET ||
aSheetType == AUTHOR_SHEET);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
StyleSheet* sheet = nullptr;
auto* preloadedSheet = static_cast<PreloadedStyleSheet*>(aSheet);
nsresult rv = preloadedSheet->GetSheet(&sheet);
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(sheet, NS_ERROR_FAILURE);
if (sheet->GetAssociatedDocumentOrShadowRoot()) {
return NS_ERROR_INVALID_ARG;
}
Document::additionalSheetType type = convertSheetType(aSheetType);
return doc->AddAdditionalStyleSheet(type, sheet);
}
NS_IMETHODIMP
nsDOMWindowUtils::RemoveSheet(nsIURI* aSheetURI, uint32_t aSheetType) {
NS_ENSURE_ARG_POINTER(aSheetURI);
NS_ENSURE_ARG(aSheetType == AGENT_SHEET || aSheetType == USER_SHEET ||
aSheetType == AUTHOR_SHEET);
nsCOMPtr<Document> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
Document::additionalSheetType type = convertSheetType(aSheetType);
doc->RemoveAdditionalStyleSheet(type, aSheetURI);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RemoveSheetUsingURIString(const nsACString& aSheetURI,
uint32_t aSheetType) {
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aSheetURI);
NS_ENSURE_SUCCESS(rv, rv);
return RemoveSheet(uri, aSheetType);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsHandlingUserInput(bool* aHandlingUserInput) {
*aHandlingUserInput = UserActivation::IsHandlingUserInput();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetMillisSinceLastUserInput(
double* aMillisSinceLastUserInput) {
TimeStamp lastInput = UserActivation::LatestUserInputStart();
if (lastInput.IsNull()) {
*aMillisSinceLastUserInput = -1.0f;
return NS_OK;
}
*aMillisSinceLastUserInput = (TimeStamp::Now() - lastInput).ToMilliseconds();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AllowScriptsToClose() {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsGlobalWindowOuter::Cast(window)->AllowScriptsToClose();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsParentWindowMainWidgetVisible(bool* aIsVisible) {
if (!XRE_IsParentProcess()) {
MOZ_CRASH(
"IsParentWindowMainWidgetVisible is only available in the parent "
"process");
}
// this should reflect the "is parent window visible" logic in
// nsWindowWatcher::OpenWindowInternal()
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsCOMPtr<nsIWidget> parentWidget;
nsIDocShell* docShell = window->GetDocShell();
if (docShell) {
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
docShell->GetTreeOwner(getter_AddRefs(parentTreeOwner));
nsCOMPtr<nsIBaseWindow> parentWindow(do_GetInterface(parentTreeOwner));
if (parentWindow) {
parentWindow->GetMainWidget(getter_AddRefs(parentWidget));
}
}
if (!parentWidget) {
return NS_ERROR_NOT_AVAILABLE;
}
*aIsVisible = parentWidget->IsVisible();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsNodeDisabledForEvents(nsINode* aNode, bool* aRetVal) {
*aRetVal = false;
nsINode* node = aNode;
while (node) {
if (node->IsNodeOfType(nsINode::eHTML_FORM_CONTROL)) {
nsCOMPtr<nsIFormControl> fc = do_QueryInterface(node);
WidgetEvent event(true, eVoidEvent);
if (fc && fc->IsDisabledForEvents(&event)) {
*aRetVal = true;
break;
}
}
node = node->GetParentNode();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetPaintFlashing(bool aPaintFlashing) {
nsPresContext* presContext = GetPresContext();
if (presContext) {
presContext->SetPaintFlashing(aPaintFlashing);
// Clear paint flashing colors
PresShell* presShell = GetPresShell();
if (!aPaintFlashing && presShell) {
nsIFrame* rootFrame = presShell->GetRootFrame();
if (rootFrame) {
rootFrame->InvalidateFrameSubtree();
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPaintFlashing(bool* aRetVal) {
*aRetVal = false;
nsPresContext* presContext = GetPresContext();
if (presContext) {
*aRetVal = presContext->GetPaintFlashing();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DispatchEventToChromeOnly(EventTarget* aTarget, Event* aEvent,
bool* aRetVal) {
*aRetVal = false;
NS_ENSURE_STATE(aTarget && aEvent);
aEvent->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
*aRetVal =
aTarget->DispatchEvent(*aEvent, CallerType::System, IgnoreErrors());
return NS_OK;
}
static Result<nsIFrame*, nsresult> GetTargetFrame(
const Element* aElement, const nsAString& aPseudoElement) {
nsIFrame* frame = aElement->GetPrimaryFrame();
if (!aPseudoElement.IsEmpty()) {
if (aPseudoElement.EqualsLiteral("::before")) {
frame = nsLayoutUtils::GetBeforeFrame(aElement);
} else if (aPseudoElement.EqualsLiteral("::after")) {
frame = nsLayoutUtils::GetAfterFrame(aElement);
} else {
return Err(NS_ERROR_INVALID_ARG);
}
}
return frame;
}
static OMTAValue GetOMTAValue(nsIFrame* aFrame, DisplayItemType aDisplayItemKey,
WebRenderBridgeChild* aWebRenderBridgeChild) {
OMTAValue value = mozilla::null_t();
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(aFrame, aDisplayItemKey);
if (layer) {
ShadowLayerForwarder* forwarder = layer->Manager()->AsShadowForwarder();
if (forwarder && forwarder->HasShadowManager()) {
forwarder->GetShadowManager()->SendGetAnimationValue(
layer->GetCompositorAnimationsId(), &value);
}
} else if (aWebRenderBridgeChild) {
RefPtr<WebRenderAnimationData> animationData =
GetWebRenderUserData<WebRenderAnimationData>(aFrame,
(uint32_t)aDisplayItemKey);
if (animationData) {
aWebRenderBridgeChild->SendGetAnimationValue(
animationData->GetAnimationInfo().GetCompositorAnimationsId(),
&value);
}
}
return value;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetOMTAStyle(Element* aElement, const nsAString& aProperty,
const nsAString& aPseudoElement,
nsAString& aResult) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
auto frameOrError = GetTargetFrame(aElement, aPseudoElement);
if (frameOrError.isErr()) {
return frameOrError.unwrapErr();
}
nsIFrame* frame = frameOrError.unwrap();
RefPtr<nsROCSSPrimitiveValue> cssValue = nullptr;
if (frame && nsLayoutUtils::AreAsyncAnimationsEnabled()) {
if (aProperty.EqualsLiteral("opacity")) {
OMTAValue value = GetOMTAValue(frame, DisplayItemType::TYPE_OPACITY,
GetWebRenderBridge());
if (value.type() == OMTAValue::Tfloat) {
cssValue = new nsROCSSPrimitiveValue;
cssValue->SetNumber(value.get_float());
}
} else if (aProperty.EqualsLiteral("transform") ||
aProperty.EqualsLiteral("translate") ||
aProperty.EqualsLiteral("rotate") ||
aProperty.EqualsLiteral("scale") ||
aProperty.EqualsLiteral("offset-path") ||
aProperty.EqualsLiteral("offset-distance") ||
aProperty.EqualsLiteral("offset-rotate") ||
aProperty.EqualsLiteral("offset-anchor")) {
OMTAValue value = GetOMTAValue(frame, DisplayItemType::TYPE_TRANSFORM,
GetWebRenderBridge());
if (value.type() == OMTAValue::TMatrix4x4) {
cssValue = nsComputedDOMStyle::MatrixToCSSValue(value.get_Matrix4x4());
}
} else if (aProperty.EqualsLiteral("background-color")) {
OMTAValue value = GetOMTAValue(
frame, DisplayItemType::TYPE_BACKGROUND_COLOR, GetWebRenderBridge());
if (value.type() == OMTAValue::Tnscolor) {
cssValue = new nsROCSSPrimitiveValue;
nsComputedDOMStyle::SetToRGBAColor(cssValue, value.get_nscolor());
}
}
}
if (cssValue) {
nsString text;
ErrorResult rv;
cssValue->GetCssText(text, rv);
aResult.Assign(text);
return rv.StealNSResult();
}
aResult.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetOMTCTransform(Element* aElement,
const nsAString& aPseudoElement,
nsAString& aResult) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
if (GetWebRenderBridge()) {
return NS_ERROR_NOT_IMPLEMENTED;
}
auto frameOrError = GetTargetFrame(aElement, aPseudoElement);
if (frameOrError.isErr()) {
return frameOrError.unwrapErr();
}
nsIFrame* frame = frameOrError.unwrap();
aResult.Truncate();
if (!frame) {
return NS_OK;
}
DisplayItemType itemType = DisplayItemType::TYPE_TRANSFORM;
if (nsLayoutUtils::HasEffectiveAnimation(
frame, nsCSSPropertyIDSet::OpacityProperties()) &&
!frame->IsTransformed()) {
itemType = DisplayItemType::TYPE_OPACITY;
}
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(frame, itemType);
if (!layer) {
return NS_OK;
}
ShadowLayerForwarder* forwarder = layer->Manager()->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
return NS_OK;
}
Maybe<Matrix4x4> transform;
forwarder->GetShadowManager()->SendGetTransform(
layer->AsShadowableLayer()->GetShadow(), &transform);
if (transform.isNothing()) {
return NS_OK;
}
Matrix4x4 matrix = transform.value();
RefPtr<nsROCSSPrimitiveValue> cssValue =
nsComputedDOMStyle::MatrixToCSSValue(matrix);
if (!cssValue) {
return NS_OK;
}
nsAutoString text;
ErrorResult rv;
cssValue->GetCssText(text, rv);
aResult.Assign(text);
return rv.StealNSResult();
}
NS_IMETHODIMP
nsDOMWindowUtils::IsAnimationInPendingTracker(dom::Animation* aAnimation,
bool* aRetVal) {
MOZ_ASSERT(aRetVal);
if (!aAnimation) {
return NS_ERROR_INVALID_ARG;
}
Document* doc = GetDocument();
if (!doc) {
*aRetVal = false;
return NS_OK;
}
PendingAnimationTracker* tracker = doc->GetPendingAnimationTracker();
if (!tracker) {
*aRetVal = false;
return NS_OK;
}
*aRetVal = tracker->IsWaitingToPlay(*aAnimation) ||
tracker->IsWaitingToPause(*aAnimation);
return NS_OK;
}
namespace {
class HandlingUserInputHelper final : public nsIJSRAIIHelper {
public:
explicit HandlingUserInputHelper(bool aHandlingUserInput);
NS_DECL_ISUPPORTS
NS_DECL_NSIJSRAIIHELPER
private:
~HandlingUserInputHelper();
bool mHandlingUserInput;
bool mDestructCalled;
};
NS_IMPL_ISUPPORTS(HandlingUserInputHelper, nsIJSRAIIHelper)
HandlingUserInputHelper::HandlingUserInputHelper(bool aHandlingUserInput)
: mHandlingUserInput(aHandlingUserInput), mDestructCalled(false) {
if (aHandlingUserInput) {
UserActivation::StartHandlingUserInput(eVoidEvent);
}
}
HandlingUserInputHelper::~HandlingUserInputHelper() {
// We assert, but just in case, make sure we notify the ESM.
MOZ_ASSERT(mDestructCalled);
if (!mDestructCalled) {
Destruct();
}
}
NS_IMETHODIMP
HandlingUserInputHelper::Destruct() {
if (NS_WARN_IF(mDestructCalled)) {
return NS_ERROR_FAILURE;
}
mDestructCalled = true;
if (mHandlingUserInput) {
UserActivation::StopHandlingUserInput(eVoidEvent);
}
return NS_OK;
}
} // unnamed namespace
NS_IMETHODIMP
nsDOMWindowUtils::SetHandlingUserInput(bool aHandlingUserInput,
nsIJSRAIIHelper** aHelper) {
RefPtr<HandlingUserInputHelper> helper(
new HandlingUserInputHelper(aHandlingUserInput));
helper.forget(aHelper);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetContentAPZTestData(
JSContext* aContext, JS::MutableHandleValue aOutContentTestData) {
if (nsIWidget* widget = GetWidget()) {
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
return NS_OK;
}
if (ClientLayerManager* clm = renderer->AsClientLayerManager()) {
if (!clm->GetAPZTestData().ToJS(aOutContentTestData, aContext)) {
return NS_ERROR_FAILURE;
}
} else if (WebRenderLayerManager* wr = renderer->AsWebRender()) {
if (!wr->GetAPZTestData().ToJS(aOutContentTestData, aContext)) {
return NS_ERROR_FAILURE;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCompositorAPZTestData(
JSContext* aContext, JS::MutableHandleValue aOutCompositorTestData) {
if (nsIWidget* widget = GetWidget()) {
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
return NS_OK;
}
APZTestData compositorSideData;
if (ClientLayerManager* clm = renderer->AsClientLayerManager()) {
clm->GetCompositorSideAPZTestData(&compositorSideData);
} else if (WebRenderLayerManager* wr = renderer->AsWebRender()) {
if (!wr->WrBridge()) {
return NS_ERROR_UNEXPECTED;
}
if (!wr->WrBridge()->SendGetAPZTestData(&compositorSideData)) {
return NS_ERROR_FAILURE;
}
}
if (!compositorSideData.ToJS(aOutCompositorTestData, aContext)) {
return NS_ERROR_FAILURE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::PostRestyleSelfEvent(Element* aElement) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsLayoutUtils::PostRestyleEvent(aElement, RestyleHint::RESTYLE_SELF,
nsChangeHint(0));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetChromeMargin(int32_t aTop, int32_t aRight, int32_t aBottom,
int32_t aLeft) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (window) {
nsCOMPtr<nsIBaseWindow> baseWindow =
do_QueryInterface(window->GetDocShell());
if (baseWindow) {
nsCOMPtr<nsIWidget> widget;
baseWindow->GetMainWidget(getter_AddRefs(widget));
if (widget) {
LayoutDeviceIntMargin margins(aTop, aRight, aBottom, aLeft);
return widget->SetNonClientMargins(margins);
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFrameUniformityTestData(
JSContext* aContext, JS::MutableHandleValue aOutFrameUniformity) {
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_NOT_AVAILABLE;
}
WindowRenderer* renderer = widget->GetWindowRenderer();
if (!renderer) {
return NS_ERROR_NOT_AVAILABLE;
}
FrameUniformityData outData;
renderer->GetFrameUniformity(&outData);
outData.ToJS(aOutFrameUniformity, aContext);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::XpconnectArgument(nsISupports* aObj) {
// Do nothing.
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AskPermission(nsIContentPermissionRequest* aRequest) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
return nsContentPermissionUtils::AskPermission(
aRequest, window->GetCurrentInnerWindow());
}
NS_IMETHODIMP
nsDOMWindowUtils::GetRestyleGeneration(uint64_t* aResult) {
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResult = presContext->GetRestyleGeneration();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFramesConstructed(uint64_t* aResult) {
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResult = presContext->FramesConstructedCount();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFramesReflowed(uint64_t* aResult) {
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResult = presContext->FramesReflowedCount();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnterChaosMode() {
ChaosMode::enterChaosMode();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::LeaveChaosMode() {
ChaosMode::leaveChaosMode();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::TriggerDeviceReset() {
ContentChild* cc = ContentChild::GetSingleton();
if (cc) {
cc->SendDeviceReset();
return NS_OK;
}
GPUProcessManager* pm = GPUProcessManager::Get();
if (pm) {
pm->SimulateDeviceReset();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::HasRuleProcessorUsedByMultipleStyleSets(uint32_t aSheetType,
bool* aRetVal) {
PresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
return presShell->HasRuleProcessorUsedByMultipleStyleSets(aSheetType,
aRetVal);
}
NS_IMETHODIMP
nsDOMWindowUtils::RespectDisplayPortSuppression(bool aEnabled) {
RefPtr<PresShell> presShell = GetPresShell();
presShell->RespectDisplayportSuppression(aEnabled);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ForceReflowInterrupt() {
nsPresContext* pc = GetPresContext();
if (!pc) {
return NS_ERROR_NOT_AVAILABLE;
}
pc->SetPendingInterruptFromTest();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::TerminateGPUProcess() {
GPUProcessManager* pm = GPUProcessManager::Get();
if (pm) {
pm->KillProcess();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetGpuProcessPid(int32_t* aPid) {
GPUProcessManager* pm = GPUProcessManager::Get();
if (pm) {
*aPid = pm->GPUProcessPid();
} else {
*aPid = -1;
}
return NS_OK;
}
struct StateTableEntry {
const char* mStateString;
EventStates mState;
};
static constexpr StateTableEntry kManuallyManagedStates[] = {
{"autofill", NS_EVENT_STATE_AUTOFILL},
{"-moz-autofill-preview", NS_EVENT_STATE_AUTOFILL_PREVIEW},
{nullptr, EventStates()},
};
static_assert(!kManuallyManagedStates[ArrayLength(kManuallyManagedStates) - 1]
.mStateString,
"last kManuallyManagedStates entry must be a sentinel with "
"mStateString == nullptr");
static EventStates GetEventStateForString(const nsAString& aStateString) {
for (const StateTableEntry* entry = kManuallyManagedStates;
entry->mStateString; ++entry) {
if (aStateString.EqualsASCII(entry->mStateString)) {
return entry->mState;
}
}
return EventStates();
}
NS_IMETHODIMP
nsDOMWindowUtils::AddManuallyManagedState(Element* aElement,
const nsAString& aStateString) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
EventStates state = GetEventStateForString(aStateString);
if (state.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
aElement->AddManuallyManagedStates(state);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RemoveManuallyManagedState(Element* aElement,
const nsAString& aStateString) {
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
EventStates state = GetEventStateForString(aStateString);
if (state.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
aElement->RemoveManuallyManagedStates(state);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetStorageUsage(Storage* aStorage, int64_t* aRetval) {
if (!aStorage) {
return NS_ERROR_UNEXPECTED;
}
*aRetval = aStorage->GetOriginQuotaUsage();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDirectionFromText(const nsAString& aString,
int32_t* aRetval) {
Directionality dir =
::GetDirectionFromText(aString.BeginReading(), aString.Length(), nullptr);
switch (dir) {
case eDir_NotSet:
*aRetval = nsIDOMWindowUtils::DIRECTION_NOT_SET;
break;
case eDir_RTL:
*aRetval = nsIDOMWindowUtils::DIRECTION_RTL;
break;
case eDir_LTR:
*aRetval = nsIDOMWindowUtils::DIRECTION_LTR;
break;
case eDir_Auto:
MOZ_ASSERT_UNREACHABLE(
"GetDirectionFromText should never return this value");
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnsureDirtyRootFrame() {
Document* doc = GetDocument();
PresShell* presShell = doc ? doc->GetPresShell() : nullptr;
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsIFrame* frame = presShell->GetRootFrame();
if (!frame) {
return NS_ERROR_FAILURE;
}
presShell->FrameNeedsReflow(frame, IntrinsicDirty::StyleChange,
NS_FRAME_IS_DIRTY);
return NS_OK;
}
NS_INTERFACE_MAP_BEGIN(nsTranslationNodeList)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_ENTRY(nsITranslationNodeList)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsTranslationNodeList)
NS_IMPL_RELEASE(nsTranslationNodeList)
NS_IMETHODIMP
nsTranslationNodeList::Item(uint32_t aIndex, nsINode** aRetVal) {
NS_ENSURE_ARG_POINTER(aRetVal);
NS_IF_ADDREF(*aRetVal = mNodes.SafeElementAt(aIndex));
return NS_OK;
}
NS_IMETHODIMP
nsTranslationNodeList::IsTranslationRootAtIndex(uint32_t aIndex,
bool* aRetVal) {
NS_ENSURE_ARG_POINTER(aRetVal);
if (aIndex >= mLength) {
*aRetVal = false;
return NS_OK;
}
*aRetVal = mNodeIsRoot.ElementAt(aIndex);
return NS_OK;
}
NS_IMETHODIMP
nsTranslationNodeList::GetLength(uint32_t* aRetVal) {
NS_ENSURE_ARG_POINTER(aRetVal);
*aRetVal = mLength;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::WrCapture() {
if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->Capture();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::WrStartCaptureSequence(const nsACString& aPath,
uint32_t aFlags) {
if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->StartCaptureSequence(nsCString(aPath), aFlags);
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::WrStopCaptureSequence() {
if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->StopCaptureSequence();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetCompositionRecording(bool aValue, Promise** aOutPromise) {
return aValue ? StartCompositionRecording(aOutPromise)
: StopCompositionRecording(true, aOutPromise);
}
NS_IMETHODIMP
nsDOMWindowUtils::StartCompositionRecording(Promise** aOutPromise) {
NS_ENSURE_ARG(aOutPromise);
*aOutPromise = nullptr;
nsCOMPtr<nsPIDOMWindowOuter> outer = do_QueryReferent(mWindow);
NS_ENSURE_STATE(outer);
nsCOMPtr<nsPIDOMWindowInner> inner = outer->GetCurrentInnerWindow();
NS_ENSURE_STATE(inner);
ErrorResult err;
RefPtr<Promise> promise = Promise::Create(inner->AsGlobal(), err);
if (NS_WARN_IF(err.Failed())) {
return err.StealNSResult();
}
CompositorBridgeChild* cbc = GetCompositorBridge();
if (NS_WARN_IF(!cbc)) {
promise->MaybeReject(NS_ERROR_UNEXPECTED);
} else {
cbc->SendBeginRecording(TimeStamp::Now())
->Then(
GetCurrentSerialEventTarget(), __func__,
[promise](const bool& aSuccess) {
if (aSuccess) {
promise->MaybeResolve(true);
} else {
promise->MaybeRejectWithInvalidStateError(
"The composition recorder is already running.");
}
},
[promise](const mozilla::ipc::ResponseRejectReason&) {
promise->MaybeRejectWithInvalidStateError(
"Could not start the composition recorder.");
});
}
promise.forget(aOutPromise);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StopCompositionRecording(bool aWriteToDisk,
Promise** aOutPromise) {
NS_ENSURE_ARG_POINTER(aOutPromise);
*aOutPromise = nullptr;
nsCOMPtr<nsPIDOMWindowOuter> outer = do_QueryReferent(mWindow);
NS_ENSURE_STATE(outer);
nsCOMPtr<nsPIDOMWindowInner> inner = outer->GetCurrentInnerWindow();
NS_ENSURE_STATE(inner);
ErrorResult err;
RefPtr<Promise> promise = Promise::Create(inner->AsGlobal(), err);
if (NS_WARN_IF(err.Failed())) {
return err.StealNSResult();
}
CompositorBridgeChild* cbc = GetCompositorBridge();
if (NS_WARN_IF(!cbc)) {
promise->MaybeReject(NS_ERROR_UNEXPECTED);
} else if (aWriteToDisk) {
cbc->SendEndRecordingToDisk()->Then(
GetCurrentSerialEventTarget(), __func__,
[promise](const bool& aSuccess) {
if (aSuccess) {
promise->MaybeResolveWithUndefined();
} else {
promise->MaybeRejectWithInvalidStateError(
"The composition recorder is not running.");
}
},
[promise](const mozilla::ipc::ResponseRejectReason&) {
promise->MaybeRejectWithUnknownError(
"Could not stop the composition recorder.");
});
} else {
cbc->SendEndRecordingToMemory()->Then(
GetCurrentSerialEventTarget(), __func__,
[promise](Maybe<CollectedFramesParams>&& aFrames) {
if (!aFrames) {
promise->MaybeRejectWithUnknownError(
"Could not stop the composition recorder.");
return;
}
DOMCollectedFrames domFrames;
if (!domFrames.mFrames.SetCapacity(aFrames->frames().Length(),
fallible)) {
promise->MaybeReject(NS_ERROR_OUT_OF_MEMORY);
return;
}
domFrames.mRecordingStart = aFrames->recordingStart();
CheckedInt<size_t> totalSize(0);
for (const CollectedFrameParams& frame : aFrames->frames()) {
totalSize += frame.length();
}
if (totalSize.isValid() &&
totalSize.value() > aFrames->buffer().Size<char>()) {
promise->MaybeRejectWithUnknownError(
"Could not interpret returned frames.");
return;
}
Span<const char> buffer(aFrames->buffer().get<char>(),
aFrames->buffer().Size<char>());
for (const CollectedFrameParams& frame : aFrames->frames()) {
size_t length = frame.length();
Span<const char> dataUri = buffer.First(length);
// We have to do a fallible AppendElement() because WebIDL
// dictionaries use FallibleTArray. However, this cannot fail due to
// the pre-allocation earlier.
DOMCollectedFrame* domFrame =
domFrames.mFrames.AppendElement(fallible);
MOZ_ASSERT(domFrame);
domFrame->mTimeOffset = frame.timeOffset();
domFrame->mDataUri = nsCString(dataUri);
buffer = buffer.Subspan(length);
}
promise->MaybeResolve(domFrames);
},
[promise](const mozilla::ipc::ResponseRejectReason&) {
promise->MaybeRejectWithUnknownError(
"Could not stop the composition recorder.");
});
}
promise.forget(aOutPromise);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetSystemFont(const nsACString& aFontName) {
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_OK;
}
nsAutoCString fontName(aFontName);
return widget->SetSystemFont(fontName);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetSystemFont(nsACString& aFontName) {
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_OK;
}
nsAutoCString fontName;
widget->GetSystemFont(fontName);
aFontName.Assign(fontName);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsCssPropertyRecordedInUseCounter(const nsACString& aPropName,
bool* aRecorded) {
*aRecorded = false;
Document* doc = GetDocument();
if (!doc || !doc->GetStyleUseCounters()) {
return NS_ERROR_FAILURE;
}
bool knownProp = false;
*aRecorded = Servo_IsCssPropertyRecordedInUseCounter(
doc->GetStyleUseCounters(), &aPropName, &knownProp);
return knownProp ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLayersId(uint64_t* aOutLayersId) {
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
BrowserChild* child = widget->GetOwningBrowserChild();
if (!child) {
return NS_ERROR_FAILURE;
}
*aOutLayersId = (uint64_t)child->GetLayersId();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetUsesOverlayScrollbars(bool* aResult) {
*aResult = Document::UseOverlayScrollbars(GetDocument());
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPaintCount(uint64_t* aPaintCount) {
auto* presShell = GetPresShell();
*aPaintCount = presShell ? presShell->GetPaintCount() : 0;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetWebrtcRawDeviceId(nsAString& aRawDeviceId) {
if (!XRE_IsParentProcess()) {
MOZ_CRASH(
"GetWebrtcRawDeviceId is only available in the parent "
"process");
}
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
int64_t rawDeviceId =
(int64_t)(widget->GetNativeData(NS_NATIVE_WINDOW_WEBRTC_DEVICE_ID));
if (!rawDeviceId) {
return NS_ERROR_FAILURE;
}
aRawDeviceId.AppendInt(rawDeviceId);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetEffectivelyThrottlesFrameRequests(bool* aResult) {
Document* doc = GetDocument();
if (!doc) {
return NS_ERROR_FAILURE;
}
*aResult = !doc->WouldScheduleFrameRequestCallbacks() ||
doc->ShouldThrottleFrameRequests();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ResetMobileViewportManager() {
if (RefPtr<PresShell> presShell = GetPresShell()) {
if (auto mvm = presShell->GetMobileViewportManager()) {
mvm->SetInitialViewport();
return NS_OK;
}
}
// Unable to reset, so let's error out
return NS_ERROR_FAILURE;
}
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