diff options
Diffstat (limited to 'dom/base/nsDOMWindowUtils.cpp')
| -rw-r--r-- | dom/base/nsDOMWindowUtils.cpp | 4941 |
1 files changed, 4941 insertions, 0 deletions
diff --git a/dom/base/nsDOMWindowUtils.cpp b/dom/base/nsDOMWindowUtils.cpp new file mode 100644 index 0000000000..860fb37756 --- /dev/null +++ b/dom/base/nsDOMWindowUtils.cpp @@ -0,0 +1,4941 @@ +/* -*- 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 "LayoutConstants.h" +#include "MobileViewportManager.h" +#include "mozilla/layers/CompositorBridgeChild.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 "nsStyleUtil.h" +#include "mozilla/Base64.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/EventStateManager.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/TouchActionHelper.h" +#include "mozilla/media/MediaUtils.h" +#include "nsQueryObject.h" +#include "CubebDeviceEnumerator.h" + +#include "nsIScrollableFrame.h" + +#include "nsContentUtils.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_WIDGET_GTK) +# include <gdk/gdk.h> +# if defined(MOZ_X11) +# include <gdk/gdkx.h> +# include "X11UndefineNone.h" +# endif +#endif + +#include "mozilla/dom/AudioDeviceInfo.h" +#include "mozilla/dom/Element.h" +#include "mozilla/dom/BrowserChild.h" +#include "mozilla/dom/IDBFactoryBinding.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 "nsPrintfCString.h" +#include "nsViewportInfo.h" +#include "nsIFormControl.h" +// #include "nsWidgetsCID.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/gfxVars.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" +#include "mozilla/IMEStateManager.h" +#include "mozilla/IMEContentObserver.h" +#include "mozilla/WheelHandlingHelper.h" + +#ifdef XP_WIN +# include <direct.h> +#else +# include <sys/stat.h> +#endif + +#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; +}; + +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(); +} + +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::GetLastOverWindowPointerLocationInCSSPixels(float* aX, + float* aY) { + const PresShell* presShell = GetPresShell(); + const nsPresContext* presContext = GetPresContext(); + + if (!presShell || !presContext) { + return NS_ERROR_FAILURE; + } + + const nsPoint& lastOverWindowPointerLocation = + presShell->GetLastOverWindowPointerLocation(); + + if (lastOverWindowPointerLocation.X() == NS_UNCONSTRAINEDSIZE && + lastOverWindowPointerLocation.Y() == NS_UNCONSTRAINEDSIZE) { + *aX = 0; + *aY = 0; + } else { + const CSSPoint lastOverWindowPointerLocationInCSSPixels = + CSSPoint::FromAppUnits(lastOverWindowPointerLocation); + *aX = lastOverWindowPointerLocationInCSSPixels.X(); + *aY = lastOverWindowPointerLocationInCSSPixels.Y(); + } + + return NS_OK; +} + +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->PaintAndRequestComposite(view, + 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::SetMousewheelAutodir(Element* aElement, bool aEnabled, + bool aHonourRoot) { + aElement->SetProperty(nsGkAtoms::forceMousewheelAutodir, + reinterpret_cast<void*>(aEnabled)); + aElement->SetProperty(nsGkAtoms::forceMousewheelAutodirHonourRoot, + reinterpret_cast<void*>(aHonourRoot)); + 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; + + nsPresContext* presContext = GetPresContext(); + NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE); + + wheelEvent.mRefPoint = + nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext); + + if (StaticPrefs::test_events_async_enabled()) { + widget->DispatchInputEvent(&wheelEvent); + } else { + nsEventStatus status = nsEventStatus_eIgnore; + nsresult rv = widget->DispatchEvent(&wheelEvent, status); + NS_ENSURE_SUCCESS(rv, rv); + } + + 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, + const nsTArray<int32_t>& aTiltXs, const nsTArray<int32_t>& aTiltYs, + const nsTArray<int32_t>& aTwists, int32_t aModifiers, + bool aIgnoreRootScrollFrame, bool* aPreventDefault) { + return SendTouchEventCommon(aType, aIdentifiers, aXs, aYs, aRxs, aRys, + aRotationAngles, aForces, aTiltXs, aTiltYs, + aTwists, 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, + const nsTArray<int32_t>& aTiltXs, const nsTArray<int32_t>& aTiltYs, + const nsTArray<int32_t>& aTwists, int32_t aModifiers, + bool aIgnoreRootScrollFrame, bool* aPreventDefault) { + return SendTouchEventCommon(aType, aIdentifiers, aXs, aYs, aRxs, aRys, + aRotationAngles, aForces, aTiltXs, aTiltYs, + aTwists, 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, + const nsTArray<int32_t>& aTiltXs, const nsTArray<int32_t>& aTiltYs, + const nsTArray<int32_t>& aTwists, 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); + + 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], aTiltXs[i], aTiltYs[i], aTwists[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) { + // FYI: This was designed for automated tests, but currently, this is used by + // DevTools to emulate touch events from mouse events in the responsive + // design mode. + + 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::TouchpadGesturePhase, float, + LayoutDeviceIntPoint, int32_t>( + "nsIWidget::SynthesizeNativeTouchPadPinch", widget, + &nsIWidget::SynthesizeNativeTouchPadPinch, + (nsIWidget::TouchpadGesturePhase)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, int32_t aButton, + 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, int32_t, nsIObserver*>( + "nsIWidget::SynthesizeNativePenInput", widget, + &nsIWidget::SynthesizeNativePenInput, aPointerId, + (nsIWidget::TouchPointerState)aPointerState, + LayoutDeviceIntPoint(aScreenX, aScreenY), aPressure, aRotation, + aTiltX, aTiltY, aButton, 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::SendNativeTouchpadPan(uint32_t aEventPhase, int32_t aScreenX, + int32_t aScreenY, double aDeltaX, + double aDeltaY, int32_t aModifierFlags, + nsIObserver* aObserver) { + nsCOMPtr<nsIWidget> widget = GetWidget(); + if (!widget) { + return NS_ERROR_FAILURE; + } + + MOZ_ASSERT(aModifierFlags >= 0); + NS_DispatchToMainThread(NativeInputRunnable::Create( + NewRunnableMethod<nsIWidget::TouchpadGesturePhase, LayoutDeviceIntPoint, + double, double, uint32_t, nsIObserver*>( + "nsIWidget::SynthesizeNativeTouchpadPan", widget, + &nsIWidget::SynthesizeNativeTouchpadPan, + (nsIWidget::TouchpadGesturePhase)aEventPhase, + LayoutDeviceIntPoint(aScreenX, aScreenY), aDeltaX, aDeltaY, + aModifierFlags, aObserver))); + 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(CCReason::API, aListener); + + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::CycleCollect(nsICycleCollectorListener* aListener) { + nsJSContext::CycleCollectNow(CCReason::API, 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; + + 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())) { + return NS_ERROR_FAILURE; + } + + int v; + IntSize size = img1->GetSize(); + int32_t stride1 = map1.GetStride(); + int32_t stride2 = map2.GetStride(); + + // we can optimize for the common all-pass case + if (stride1 == stride2 && stride1 == 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 * stride1; + unsigned char* p2 = map2.GetData() + j * stride2; + v = memcmp(p1, p2, size.width * 4); + + 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<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow); + NS_ENSURE_STATE(window); + + if (aSuppress) { + window->SuppressEventHandling(); + } else { + window->UnsuppressEventHandling(); + } + + 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->IsRootContentDocumentCrossProcess(), + 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; +} + +Result<mozilla::ScreenRect, nsresult> nsDOMWindowUtils::ConvertToScreenRect( + float aX, float aY, float aWidth, float aHeight) { + nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow); + if (!window) { + return Err(NS_ERROR_NOT_AVAILABLE); + } + + PresShell* presShell = GetPresShell(); + if (!presShell) { + return Err(NS_ERROR_NOT_AVAILABLE); + } + + nsCOMPtr<nsIWidget> widget = GetWidget(); + if (!widget) { + return Err(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(); + + return ViewAs<ScreenPixel>( + devPixelsRect, PixelCastJustification::ScreenIsParentLayerForRoot); +} + +NS_IMETHODIMP +nsDOMWindowUtils::ToScreenRectInCSSUnits(float aX, float aY, float aWidth, + float aHeight, DOMRect** aResult) { + ScreenRect rect; + MOZ_TRY_VAR(rect, ConvertToScreenRect(aX, aY, aWidth, aHeight)); + + nsPresContext* presContext = GetPresContext(); + MOZ_ASSERT(presContext); + + const auto devRect = ViewAs<LayoutDevicePixel>( + rect, PixelCastJustification::ScreenIsParentLayerForRoot); + + // We want to return the screen rect in CSS units of the browser chrome. + // + // TODO(emilio): It'd be cleaner to convert callers to use plain toScreenRect, + // and perform the screen -> CSS rect in the parent process instead, probably. + const nsRect appUnitsRect = LayoutDeviceRect::ToAppUnits( + devRect, + presContext->DeviceContext()->AppUnitsPerDevPixelInTopLevelChromePage()); + + RefPtr<DOMRect> outRect = new DOMRect(mWindow); + outRect->SetLayoutRect(appUnitsRect); + + outRect.forget(aResult); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::ToScreenRect(float aX, float aY, float aWidth, float aHeight, + DOMRect** aResult) { + ScreenRect rect; + MOZ_TRY_VAR(rect, ConvertToScreenRect(aX, aY, aWidth, aHeight)); + + RefPtr<DOMRect> outRect = new DOMRect(mWindow); + outRect->SetRect(rect.x, rect.y, rect.width, rect.height); + outRect.forget(aResult); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::ConvertFromParentProcessWidgetToLocal(float aX, float aY, + float aWidth, + float aHeight, + DOMRect** aResult) { + if (!XRE_IsContentProcess()) { + return NS_ERROR_NOT_AVAILABLE; + } + + nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow); + if (!window) { + return NS_ERROR_NOT_AVAILABLE; + } + + nsCOMPtr<nsIWidget> widget = GetWidget(); + if (!widget) { + return NS_ERROR_NOT_AVAILABLE; + } + + LayoutDeviceRect devPixelsRect = LayoutDeviceRect(aX, aY, aWidth, aHeight); + + Maybe<LayoutDeviceToLayoutDeviceMatrix4x4> inverse = + widget->WidgetToTopLevelWidgetTransform().MaybeInverse(); + if (inverse) { + Maybe<LayoutDeviceRect> rect = + UntransformBy(*inverse, devPixelsRect, LayoutDeviceRect::MaxIntRect()); + if (rect) { + RefPtr<DOMRect> outRect = new DOMRect(mWindow); + outRect->SetRect(rect->x, rect->y, rect->width, rect->height); + outRect.forget(aResult); + return NS_OK; + } + } + + RefPtr<DOMRect> outRect = new DOMRect(mWindow); + outRect->SetRect(0, 0, 0, 0); + outRect.forget(aResult); + return NS_ERROR_NOT_AVAILABLE; +} + +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::GetInputContextURI(nsIURI** aURI) { + NS_ENSURE_ARG_POINTER(aURI); + + nsCOMPtr<nsIWidget> widget = GetWidget(); + if (!widget) { + return NS_ERROR_FAILURE; + } + + nsCOMPtr<nsIURI> documentURI = widget->GetInputContext().mURI; + documentURI.forget(aURI); + 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::GetNodeObservedByIMEContentObserver(nsINode** aNode) { + NS_ENSURE_ARG_POINTER(aNode); + + IMEContentObserver* observer = IMEStateManager::GetActiveContentObserver(); + if (!observer) { + *aNode = nullptr; + return NS_OK; + } + *aNode = do_AddRef(observer->GetObservingElement()).take(); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetCanvasBackgroundColor(nsAString& aColor) { + if (RefPtr<Document> doc = GetDocument()) { + doc->FlushPendingNotifications(FlushType::Frames); + } + nscolor color = NS_RGB(255, 255, 255); + if (PresShell* presShell = GetPresShell()) { + color = presShell->ComputeCanvasBackground().mColor; + } + nsStyleUtil::GetSerializedColorValue(color, aColor); + 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().mHTMLInputMode; + 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::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 = nsIContent::FromNodeOrNull(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; + } +} + +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. + nsIFrame* popupFrame = nsLayoutUtils::GetPopupFrameForPoint( + presContext->GetRootPresContext(), widget, pt); + + 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(innerWindow); + + 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::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::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) { + nsCOMPtr<Document> doc = GetDocument(); + *aRate = CubebUtils::PreferredSampleRate( + doc ? doc->ShouldResistFingerprinting(RFPTarget::Unknown) + : nsContentUtils::ShouldResistFingerprinting("Fallback", + RFPTarget::Unknown)); + 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(); + RefPtr<const CubebDeviceEnumerator::AudioDeviceSet> collection; + if (aSide == AUDIO_INPUT) { + collection = enumerator->EnumerateAudioInputDevices(); + } else { + collection = enumerator->EnumerateAudioOutputDevices(); + } + + 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) { + RefPtr<nsRefreshDriver> driver = presContext->RefreshDriver(); + driver->AdvanceTimeAndRefresh(aMilliseconds); + + if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) { + wrbc->SendSetTestSampleTime(driver->MostRecentRefresh()); + } + } + + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetLastTransactionId(uint64_t* aLastTransactionId) { + nsCOMPtr<nsIDocShell> docShell = GetDocShell(); + if (!docShell) { + return NS_ERROR_UNEXPECTED; + } + + nsCOMPtr<nsIDocShellTreeItem> rootTreeItem; + docShell->GetInProcessRootTreeItem(getter_AddRefs(rootTreeItem)); + docShell = do_QueryInterface(rootTreeItem); + if (!docShell) { + return NS_ERROR_UNEXPECTED; + } + + nsPresContext* presContext = docShell->GetPresContext(); + if (!presContext) { + return NS_ERROR_UNEXPECTED; + } + + nsRefreshDriver* driver = presContext->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. + 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; + } + return NS_ERROR_UNEXPECTED; +} + +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; + } + return NS_ERROR_UNEXPECTED; +} + +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; + } + *aOutResult = false; + 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(WhereToScroll::Nearest, WhenToScroll::IfNotVisible), + ScrollAxis(WhereToScroll::Nearest, 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; + } + + TouchBehaviorFlags tbf = + layers::TouchActionHelper::GetAllowedTouchBehaviorForFrame( + element->GetPrimaryFrame()); + + uint32_t flags = layers::DISABLE_ZOOM_OUT; + if (!Preferences::GetBool("formhelper.autozoom") || + Preferences::GetBool("formhelper.autozoom.force-disable.test-only", + /* aFallback = */ false) || + !(tbf & AllowedTouchBehavior::ANIMATING_ZOOM)) { + 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; + } + + Maybe<PseudoStyleType> pseudo = + nsCSSPseudoElements::GetPseudoType(aPseudoElement); + if (!pseudo) { + return NS_ERROR_FAILURE; + } + RefPtr<const ComputedStyle> computedStyle = + nsComputedDOMStyle::GetUnanimatedComputedStyleNoFlush(aElement, *pseudo); + if (!computedStyle) { + return NS_ERROR_FAILURE; + } + + RefPtr<StyleAnimationValue> 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()->RawData(), &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; +} + +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; + } + + return NS_ERROR_FAILURE; +} + +NS_IMETHODIMP +nsDOMWindowUtils::NumberOfAssignedPaintedLayers( + const nsTArray<RefPtr<Element>>& aElements, uint32_t* aResult) { + return NS_ERROR_FAILURE; +} + +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()); + + 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::Handle<JS::Value> 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, + int32_t* aRefCnt, int32_t* aDBRefCnt, + bool* aResult) { + nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow); + NS_ENSURE_TRUE(window, NS_ERROR_FAILURE); + + quota::PrincipalMetadata principalMetadata; + MOZ_TRY_VAR(principalMetadata, + quota::QuotaManager::GetInfoFromWindow(window)); + + RefPtr<IndexedDatabaseManager> mgr = IndexedDatabaseManager::Get(); + if (mgr) { + nsresult rv = mgr->BlockAndGetFileReferences( + principalMetadata.mIsPrivate ? quota::PERSISTENCE_TYPE_PRIVATE + : quota::PERSISTENCE_TYPE_DEFAULT, + principalMetadata.mOrigin, 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(bool aDontRestoreViewSize) { + 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(), + aDontRestoreViewSize ? nsSize() : 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->IsHTMLFormControlElement()) { + nsGenericHTMLElement* element = nsGenericHTMLElement::FromNode(node); + WidgetEvent event(true, eVoidEvent); + if (element && element->IsDisabledForEvents(&event)) { + *aRetVal = true; + break; + } + } + node = node->GetParentNode(); + } + + 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(); + + 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) { + nsStyleUtil::GetSerializedColorValue(value.get_nscolor(), aResult); + return NS_OK; + } + } + } + + if (cssValue) { + nsString text; + ErrorResult rv; + cssValue->GetCssText(text, rv); + aResult.Assign(text); + return rv.StealNSResult(); + } + aResult.Truncate(); + return NS_OK; +} + +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 = false; +}; + +NS_IMPL_ISUPPORTS(HandlingUserInputHelper, nsIJSRAIIHelper) + +HandlingUserInputHelper::HandlingUserInputHelper(bool aHandlingUserInput) + : mHandlingUserInput(aHandlingUserInput) { + 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) { + if (aHandlingUserInput) { + if (Document* doc = GetDocument()) { + doc->NotifyUserGestureActivation(); + } + } + auto helper = MakeRefPtr<HandlingUserInputHelper>(aHandlingUserInput); + helper.forget(aHelper); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::IsKeyboardEventUserActivity(Event* aEvent, bool* aResult) { + NS_ENSURE_STATE(aEvent); + if (!aEvent->AsKeyboardEvent()) { + return NS_ERROR_INVALID_ARG; + } + + WidgetEvent* internalEvent = aEvent->WidgetEventPtr(); + NS_ENSURE_STATE(internalEvent); + *aResult = EventStateManager::IsKeyboardEventUserActivity(internalEvent); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetContentAPZTestData( + JSContext* aContext, JS::MutableHandle<JS::Value> aOutContentTestData) { + if (nsIWidget* widget = GetWidget()) { + WindowRenderer* renderer = widget->GetWindowRenderer(); + if (!renderer) { + return NS_OK; + } + 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::MutableHandle<JS::Value> aOutCompositorTestData) { + if (nsIWidget* widget = GetWidget()) { + WindowRenderer* renderer = widget->GetWindowRenderer(); + if (!renderer) { + return NS_OK; + } + APZTestData compositorSideData; + 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::SetResizeMargin(int32_t aResizeMargin) { + 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) { + CSSToLayoutDeviceScale scaleFactor = widget->GetDefaultScale(); + widget->SetResizeMargin( + (CSSCoord(float(aResizeMargin)) * scaleFactor).Rounded()); + } + } + } + + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetFrameUniformityTestData( + JSContext* aContext, JS::MutableHandle<JS::Value> 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::GetRefreshDriverHasPendingTick(bool* aResult) { + nsPresContext* presContext = GetPresContext(); + if (!presContext) { + return NS_ERROR_NOT_AVAILABLE; + } + + *aResult = presContext->RefreshDriver()->HasPendingTick(); + 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() { + if (!XRE_IsParentProcess()) { + return NS_ERROR_NOT_AVAILABLE; + } + + 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; + ElementState mState; +}; + +static constexpr StateTableEntry kManuallyManagedStates[] = { + {"autofill", ElementState::AUTOFILL}, + // :-moz-autofill-preview implies :autofill. + {"-moz-autofill-preview", + ElementState::AUTOFILL_PREVIEW | ElementState::AUTOFILL}, + {nullptr, ElementState()}, +}; + +static_assert(!kManuallyManagedStates[ArrayLength(kManuallyManagedStates) - 1] + .mStateString, + "last kManuallyManagedStates entry must be a sentinel with " + "mStateString == nullptr"); + +static ElementState GetEventStateForString(const nsAString& aStateString) { + for (const StateTableEntry* entry = kManuallyManagedStates; + entry->mStateString; ++entry) { + if (aStateString.EqualsASCII(entry->mStateString)) { + return entry->mState; + } + } + return ElementState(); +} + +NS_IMETHODIMP +nsDOMWindowUtils::AddManuallyManagedState(Element* aElement, + const nsAString& aStateString) { + if (!aElement) { + return NS_ERROR_INVALID_ARG; + } + + ElementState 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; + } + + ElementState 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::FrameAncestorsAndDescendants, 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; +} + +static bool WriteRecordingToDisk(const FrameRecording& aRecording, + double aUnixStartMS) { + // The directory name contains the unix timestamp for when recording started, + // because we want the consumer of these files to be able to compute an + // absolute timestamp of each screenshot. That allows them to align + // screenshots with timed data from other sources, such as Gecko profiler + // information. The time of each screenshot is part of the screenshot's + // filename, expressed as milliseconds from the recording start. + std::stringstream recordingDirectory; + recordingDirectory << gfxVars::LayersWindowRecordingPath() + << "windowrecording-" << int64_t(aUnixStartMS); + +#ifdef XP_WIN + _mkdir(recordingDirectory.str().c_str()); +#else + mkdir(recordingDirectory.str().c_str(), 0777); +#endif + + auto byteSpan = aRecording.bytes().AsSpan(); + + uint32_t i = 1; + + for (const auto& frame : aRecording.frames()) { + const uint32_t frameBufferLength = frame.length(); + if (frameBufferLength > byteSpan.Length()) { + return false; + } + + const auto frameSpan = byteSpan.To(frameBufferLength); + byteSpan = byteSpan.From(frameBufferLength); + + const double frameTimeMS = + (frame.timeOffset() - aRecording.startTime()).ToMilliseconds(); + + std::stringstream filename; + filename << recordingDirectory.str() << "/frame-" << i << "-" + << uint32_t(frameTimeMS) << ".png"; + + FILE* file = fopen(filename.str().c_str(), "wb"); + if (!file) { + return false; + } + + const size_t bytesWritten = + fwrite(frameSpan.Elements(), sizeof(uint8_t), frameSpan.Length(), file); + + fclose(file); + + if (bytesWritten < frameSpan.Length()) { + return false; + } + + ++i; + } + + return byteSpan.Length() == 0; +} + +static Maybe<DOMCollectedFrames> ConvertCompositionRecordingFramesToDom( + const FrameRecording& aRecording, double aUnixStartMS) { + auto byteSpan = aRecording.bytes().AsSpan(); + + nsTArray<DOMCollectedFrame> domFrames; + + for (const auto& recordedFrame : aRecording.frames()) { + const uint32_t frameBufferLength = recordedFrame.length(); + if (frameBufferLength > byteSpan.Length()) { + return Nothing(); + } + + const auto frameSpan = byteSpan.To(frameBufferLength); + byteSpan = byteSpan.From(frameBufferLength); + + nsCString dataUri; + + dataUri.AppendLiteral("data:image/png;base64,"); + + nsresult rv = + Base64EncodeAppend(reinterpret_cast<const char*>(frameSpan.Elements()), + frameSpan.Length(), dataUri); + if (NS_FAILED(rv)) { + return Nothing(); + } + + DOMCollectedFrame domFrame; + domFrame.mTimeOffset = + (recordedFrame.timeOffset() - aRecording.startTime()).ToMilliseconds(); + domFrame.mDataUri = std::move(dataUri); + + domFrames.AppendElement(std::move(domFrame)); + } + + if (byteSpan.Length() != 0) { + return Nothing(); + } + + DOMCollectedFrames result; + + result.mRecordingStart = aUnixStartMS; + result.mFrames = std::move(domFrames); + + return Some(std::move(result)); +} + +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(); + } + + RefPtr<Promise>(promise).forget(aOutPromise); + + CompositorBridgeChild* cbc = GetCompositorBridge(); + if (NS_WARN_IF(!cbc)) { + promise->MaybeReject(NS_ERROR_UNEXPECTED); + return NS_OK; + } + + cbc->SendEndRecording()->Then( + GetCurrentSerialEventTarget(), __func__, + [promise, aWriteToDisk](Maybe<FrameRecording>&& aRecording) { + if (!aRecording) { + promise->MaybeRejectWithUnknownError("Failed to get frame recording"); + return; + } + + // We need to know when the recording started in Unix Time. + // Unfortunately, the recording start time is an opaque Timestamp that + // can only be used to calculate a duration. + // + // This is not great, but we are going to get Now() twice in close + // proximity, one in Unix Time and the other in Timestamp time. Then we + // can subtract the length of the recording from the current Unix Time + // to get the Unix start time. + const TimeStamp timestampNow = TimeStamp::Now(); + const int64_t unixNowUS = PR_Now(); + + const TimeDuration recordingLength = + timestampNow - aRecording->startTime(); + const double unixNowMS = double(unixNowUS) / 1000.0; + const double unixStartMS = unixNowMS - recordingLength.ToMilliseconds(); + + if (aWriteToDisk) { + if (!WriteRecordingToDisk(*aRecording, unixStartMS)) { + promise->MaybeRejectWithUnknownError( + "Failed to write recording to disk"); + return; + } + promise->MaybeResolveWithUndefined(); + } else { + auto maybeDomFrames = + ConvertCompositionRecordingFramesToDom(*aRecording, unixStartMS); + if (!maybeDomFrames) { + promise->MaybeRejectWithUnknownError( + "Unable to base64-encode recorded frames"); + return; + } + promise->MaybeResolve(*maybeDomFrames); + } + }, + [promise](const mozilla::ipc::ResponseRejectReason&) { + promise->MaybeRejectWithUnknownError( + "IPC failed getting composition recording"); + }); + + 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::IsCoepCredentialless(bool* aResult) { + Document* doc = GetDocument(); + if (!doc) { + return NS_ERROR_FAILURE; + } + + *aResult = net::IsCoepCredentiallessEnabled( + doc->Trials().IsEnabled(OriginTrial::CoepCredentialless)); + return NS_OK; +} + +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::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; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetSuspendedByBrowsingContextGroup(bool* aResult) { + 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); + + *aResult = inner->GetWasSuspendedByGroup(); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetHasScrollLinkedEffect(bool* aResult) { + Document* doc = GetDocument(); + if (!doc) { + return NS_ERROR_FAILURE; + } + *aResult = doc->HasScrollLinkedEffect(); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetOrientationLock(uint32_t* aOrientationLock) { + NS_WARNING("nsDOMWindowUtils::GetOrientationLock"); + + nsIDocShell* docShell = GetDocShell(); + if (!docShell) { + return NS_ERROR_FAILURE; + } + + BrowsingContext* bc = docShell->GetBrowsingContext(); + bc = bc ? bc->Top() : nullptr; + if (!bc) { + return NS_ERROR_FAILURE; + } + + *aOrientationLock = static_cast<uint32_t>(bc->GetOrientationLock()); + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::GetWheelScrollTarget(Element** aResult) { + *aResult = nullptr; + if (nsIFrame* targetFrame = WheelTransaction::GetScrollTargetFrame()) { + NS_IF_ADDREF(*aResult = Element::FromNodeOrNull(targetFrame->GetContent())); + } + return NS_OK; +} + +NS_IMETHODIMP +nsDOMWindowUtils::SetHiDPIMode(bool aHiDPI) { +#ifdef DEBUG + nsCOMPtr<nsIWidget> widget = GetWidget(); + if (!widget) return NS_ERROR_FAILURE; + + return widget->SetHiDPIMode(aHiDPI); +#else + return NS_ERROR_NOT_AVAILABLE; +#endif +} + +NS_IMETHODIMP +nsDOMWindowUtils::RestoreHiDPIMode() { +#ifdef DEBUG + nsCOMPtr<nsIWidget> widget = GetWidget(); + if (!widget) return NS_ERROR_FAILURE; + + return widget->RestoreHiDPIMode(); +#else + return NS_ERROR_NOT_AVAILABLE; +#endif +} |