mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/dom/base/nsDOMWindowUtils.cpp

4413 строки
125 KiB
C++
Исходник Ответственный История

/* -*- 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 "mozilla/layers/CompositorBridgeChild.h"
#include "mozilla/layers/LayerTransactionChild.h"
#include "nsPresContext.h"
#include "nsError.h"
#include "nsIDOMEvent.h"
#include "nsQueryContentEventResult.h"
#include "nsGlobalWindow.h"
#include "nsIDocument.h"
#include "nsFocusManager.h"
#include "nsFrameManager.h"
#include "nsRefreshDriver.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/BlobBinding.h"
#include "mozilla/dom/Touch.h"
#include "mozilla/PendingAnimationTracker.h"
#include "nsIObjectLoadingContent.h"
#include "nsFrame.h"
#include "mozilla/layers/ShadowLayers.h"
#include "mozilla/layers/APZCCallbackHelper.h"
#include "ClientLayerManager.h"
#include "nsQueryObject.h"
#include "CubebUtils.h"
#include "nsIScrollableFrame.h"
#include "nsContentUtils.h"
#include "nsIFrame.h"
#include "nsIWidget.h"
#include "nsCharsetSource.h"
#include "nsJSEnvironment.h"
#include "nsJSUtils.h"
#include "mozilla/ChaosMode.h"
#include "mozilla/EventStateManager.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TextEventDispatcher.h"
#include "mozilla/TouchEvents.h"
#include "nsViewManager.h"
#include "nsLayoutUtils.h"
#include "nsComputedDOMStyle.h"
#include "nsIPresShell.h"
#include "nsCSSProps.h"
#include "nsTArrayHelpers.h"
#include "nsIDocShell.h"
#include "nsIContentViewer.h"
#include "mozilla/StyleAnimationValue.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FileBinding.h"
#include "mozilla/dom/DOMRect.h"
#include <algorithm>
#if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK)
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#endif
#include "Layers.h"
#include "gfxPrefs.h"
#include "mozilla/dom/AudioDeviceInfo.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/IDBFactoryBinding.h"
#include "mozilla/dom/IDBMutableFileBinding.h"
#include "mozilla/dom/IDBMutableFile.h"
#include "mozilla/dom/IndexedDatabaseManager.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/quota/PersistenceType.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/layers/FrameUniformityData.h"
#include "mozilla/layers/ShadowLayers.h"
#include "nsPrintfCString.h"
#include "nsViewportInfo.h"
#include "nsIFormControl.h"
#include "nsIScriptError.h"
//#include "nsWidgetsCID.h"
#include "FrameLayerBuilder.h"
#include "nsDisplayList.h"
#include "nsROCSSPrimitiveValue.h"
#include "nsIBaseWindow.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIInterfaceRequestorUtils.h"
#include "GeckoProfiler.h"
#include "mozilla/Preferences.h"
#include "nsIContentIterator.h"
#include "nsIStyleSheetService.h"
#include "nsContentPermissionHelper.h"
#include "nsCSSPseudoElements.h" // for CSSPseudoElementType
#include "nsNetUtil.h"
#include "nsDocument.h"
#include "HTMLImageElement.h"
#include "HTMLCanvasElement.h"
#include "mozilla/css/ImageLoader.h"
#include "mozilla/layers/IAPZCTreeManager.h" // for layers::ZoomToRectBehavior
#include "mozilla/dom/Promise.h"
#include "mozilla/StyleSheetInlines.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/dom/TimeoutManager.h"
#include "mozilla/PreloadedStyleSheet.h"
#include "mozilla/layers/WebRenderBridgeChild.h"
#include "mozilla/layers/WebRenderLayerManager.h"
#ifdef XP_WIN
#undef GetClassName
#endif
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::ipc;
using namespace mozilla::layers;
using namespace mozilla::widget;
using namespace mozilla::gfx;
class gfxContext;
class OldWindowSize : public LinkedListElement<OldWindowSize>
{
public:
static void Set(nsIWeakReference* aWindowRef, const nsSize& aSize)
{
OldWindowSize* item = GetItem(aWindowRef);
if (item) {
item->mSize = aSize;
} else {
item = new OldWindowSize(aWindowRef, aSize);
sList.insertBack(item);
}
}
static nsSize GetAndRemove(nsIWeakReference* aWindowRef)
{
nsSize result;
if (OldWindowSize* item = GetItem(aWindowRef)) {
result = item->mSize;
delete item;
}
return result;
}
private:
explicit OldWindowSize(nsIWeakReference* aWindowRef, const nsSize& aSize)
: mWindowRef(aWindowRef), mSize(aSize) { }
~OldWindowSize() = default;;
static OldWindowSize* GetItem(nsIWeakReference* aWindowRef)
{
OldWindowSize* item = sList.getFirst();
while (item && item->mWindowRef != aWindowRef) {
item = item->getNext();
}
return item;
}
static LinkedList<OldWindowSize> sList;
nsWeakPtr mWindowRef;
nsSize mSize;
};
namespace {
class NativeInputRunnable final : public PrioritizableRunnable
{
explicit NativeInputRunnable(already_AddRefed<nsIRunnable>&& aEvent);
~NativeInputRunnable() {}
public:
static already_AddRefed<nsIRunnable> Create(already_AddRefed<nsIRunnable>&& aEvent);
};
NativeInputRunnable::NativeInputRunnable(already_AddRefed<nsIRunnable>&& aEvent)
: PrioritizableRunnable(Move(aEvent), nsIRunnablePriority::PRIORITY_INPUT)
{
}
/* static */ already_AddRefed<nsIRunnable>
NativeInputRunnable::Create(already_AddRefed<nsIRunnable>&& aEvent)
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIRunnable> event(new NativeInputRunnable(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);
}
nsIPresShell*
nsDOMWindowUtils::GetPresShell()
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (!window)
return nullptr;
nsIDocShell *docShell = window->GetDocShell();
if (!docShell)
return nullptr;
return docShell->GetPresShell();
}
nsPresContext*
nsDOMWindowUtils::GetPresContext()
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (!window)
return nullptr;
nsIDocShell *docShell = window->GetDocShell();
if (!docShell)
return nullptr;
RefPtr<nsPresContext> presContext;
docShell->GetPresContext(getter_AddRefs(presContext));
return presContext;
}
nsIDocument*
nsDOMWindowUtils::GetDocument()
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (!window) {
return nullptr;
}
return window->GetExtantDoc();
}
LayerTransactionChild*
nsDOMWindowUtils::GetLayerTransaction()
{
nsIWidget* widget = GetWidget();
if (!widget)
return nullptr;
LayerManager* manager = widget->GetLayerManager();
if (!manager)
return nullptr;
ShadowLayerForwarder* forwarder = manager->AsShadowForwarder();
return forwarder && forwarder->HasShadowManager() ?
forwarder->GetShadowManager() :
nullptr;
}
WebRenderBridgeChild*
nsDOMWindowUtils::GetWebRenderBridge()
{
if (nsIWidget* widget = GetWidget()) {
if (LayerManager* lm = widget->GetLayerManager()) {
if (WebRenderLayerManager* wrlm = lm->AsWebRenderLayerManager()) {
return wrlm->WrBridge();
}
}
}
return nullptr;
}
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;
nsIDocument* doc = GetDocument();
*aIsForced = doc &&
doc->GetDocumentCharacterSetSource() >= kCharsetFromParentForced;
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)
{
nsIDocument* 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::Redraw(uint32_t aCount, uint32_t *aDurationOut)
{
if (aCount == 0)
aCount = 1;
if (nsIPresShell* presShell = GetPresShell()) {
nsIFrame *rootFrame = presShell->GetRootFrame();
if (rootFrame) {
PRIntervalTime iStart = PR_IntervalNow();
for (uint32_t i = 0; i < aCount; i++)
rootFrame->InvalidateFrame();
#if defined(MOZ_X11) && defined(MOZ_WIDGET_GTK)
if (!gfxPlatform::IsHeadless()) {
XSync(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), False);
}
#endif
*aDurationOut = PR_IntervalToMilliseconds(PR_IntervalNow() - iStart);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::UpdateLayerTree()
{
if (nsIPresShell* 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();
nsView* view = vm->GetRootView();
if (view) {
presShell->Paint(view, view->GetBounds(),
nsIPresShell::PAINT_LAYERS | nsIPresShell::PAINT_SYNC_DECODE_IMAGES);
presShell->GetLayerManager()->WaitOnTransactionProcessed();
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetContentViewerSize(uint32_t *aDisplayWidth, uint32_t *aDisplayHeight)
{
nsIPresShell* 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)
{
nsIDocument* 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::SetDisplayPortForElement(float aXPx, float aYPx,
float aWidthPx, float aHeightPx,
nsIDOMElement* aElement,
uint32_t aPriority)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
if (!content) {
return NS_ERROR_INVALID_ARG;
}
if (content->GetUncomposedDoc() != presShell->GetDocument()) {
return NS_ERROR_INVALID_ARG;
}
DisplayPortPropertyData* currentData =
static_cast<DisplayPortPropertyData*>(content->GetProperty(nsGkAtoms::DisplayPort));
if (currentData && currentData->mPriority > aPriority) {
return NS_OK;
}
nsRect displayport(nsPresContext::CSSPixelsToAppUnits(aXPx),
nsPresContext::CSSPixelsToAppUnits(aYPx),
nsPresContext::CSSPixelsToAppUnits(aWidthPx),
nsPresContext::CSSPixelsToAppUnits(aHeightPx));
content->SetProperty(nsGkAtoms::DisplayPort,
new DisplayPortPropertyData(displayport, aPriority),
nsINode::DeleteProperty<DisplayPortPropertyData>);
if (gfxPrefs::LayoutUseContainersForRootFrames()) {
nsIFrame* rootScrollFrame = presShell->GetRootScrollFrame();
if (rootScrollFrame &&
content == rootScrollFrame->GetContent() &&
nsLayoutUtils::UsesAsyncScrolling(rootScrollFrame))
{
// We are setting a root displayport for a document.
// The pres shell needs a special flag set.
presShell->SetIgnoreViewportScrolling(true);
}
}
nsLayoutUtils::InvalidateForDisplayPortChange(content, !!currentData,
currentData ? currentData->mRect : nsRect(), 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) {
LayerManager* manager = widget->GetLayerManager();
manager->BeginTransaction();
using PaintFrameFlags = nsLayoutUtils::PaintFrameFlags;
nsLayoutUtils::PaintFrame(nullptr, rootFrame, nsRegion(),
NS_RGB(255, 255, 255),
nsDisplayListBuilderMode::PAINTING,
PaintFrameFlags::PAINT_WIDGET_LAYERS |
PaintFrameFlags::PAINT_EXISTING_TRANSACTION);
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDisplayPortMarginsForElement(float aLeftMargin,
float aTopMargin,
float aRightMargin,
float aBottomMargin,
nsIDOMElement* aElement,
uint32_t aPriority)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
if (!content) {
return NS_ERROR_INVALID_ARG;
}
if (content->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);
nsLayoutUtils::SetDisplayPortMargins(content, presShell, displayportMargins,
aPriority);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDisplayPortBaseForElement(int32_t aX,
int32_t aY,
int32_t aWidth,
int32_t aHeight,
nsIDOMElement* aElement)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
if (!content) {
return NS_ERROR_INVALID_ARG;
}
if (content->GetUncomposedDoc() != presShell->GetDocument()) {
return NS_ERROR_INVALID_ARG;
}
nsLayoutUtils::SetDisplayPortBase(content, nsRect(aX, aY, aWidth, aHeight));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetResolution(float aResolution)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
presShell->SetResolution(aResolution);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetResolutionAndScaleTo(float aResolution)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
presShell->SetResolutionAndScaleTo(aResolution);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetRestoreResolution(float aResolution,
uint32_t aDisplayWidth,
uint32_t aDisplayHeight)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
presShell->SetRestoreResolution(aResolution,
LayoutDeviceIntSize(aDisplayWidth, aDisplayHeight));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetResolution(float* aResolution)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
*aResolution = presShell->GetResolution();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsResolutionSet(bool* aIsResolutionSet) {
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
*aIsResolutionSet = presShell->IsResolutionSet();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetIsFirstPaint(bool aIsFirstPaint)
{
nsIPresShell* presShell = GetPresShell();
if (presShell) {
presShell->SetIsFirstPaint(aIsFirstPaint);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsFirstPaint(bool *aIsFirstPaint)
{
nsIPresShell* presShell = GetPresShell();
if (presShell) {
*aIsFirstPaint = presShell->GetIsFirstPaint();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPresShellId(uint32_t *aPresShellId)
{
nsIPresShell* presShell = GetPresShell();
if (presShell) {
*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", EVENTS);
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)
{
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
return nsContentUtils::SendMouseEvent(presShell, aType, aX, aY, aButton,
aButtons, aClickCount, aModifiers, aIgnoreRootScrollFrame, aPressure,
aInputSourceArg, aPointerId, aToWindow, aPreventDefault,
aIsDOMEventSynthesized, aIsWidgetEventSynthesized);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendWheelEvent(float aX,
float aY,
double aDeltaX,
double aDeltaY,
double aDeltaZ,
uint32_t aDeltaMode,
int32_t aModifiers,
int32_t aLineOrPageDeltaX,
int32_t aLineOrPageDeltaY,
uint32_t aOptions)
{
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) {
return NS_ERROR_NULL_POINTER;
}
WidgetWheelEvent wheelEvent(true, eWheel, widget);
wheelEvent.mModifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
wheelEvent.mDeltaX = aDeltaX;
wheelEvent.mDeltaY = aDeltaY;
wheelEvent.mDeltaZ = aDeltaZ;
wheelEvent.mDeltaMode = aDeltaMode;
wheelEvent.mIsMomentum =
(aOptions & WHEEL_EVENT_CAUSED_BY_MOMENTUM) != 0;
wheelEvent.mIsNoLineOrPageDelta =
(aOptions & WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE) != 0;
wheelEvent.mCustomizedByUserPrefs =
(aOptions & WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS) != 0;
wheelEvent.mLineOrPageDeltaX = aLineOrPageDeltaX;
wheelEvent.mLineOrPageDeltaY = aLineOrPageDeltaY;
wheelEvent.mTime = PR_Now() / 1000;
nsPresContext* presContext = GetPresContext();
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
wheelEvent.mRefPoint =
nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext);
widget->DispatchInputEvent(&wheelEvent);
if (widget->AsyncPanZoomEnabled()) {
// Computing overflow deltas is not compatible with APZ, so if APZ is
// enabled, we skip testing it.
return NS_OK;
}
bool failedX = false;
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_ZERO) &&
wheelEvent.mOverflowDeltaX != 0) {
failedX = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE) &&
wheelEvent.mOverflowDeltaX <= 0) {
failedX = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE) &&
wheelEvent.mOverflowDeltaX >= 0) {
failedX = true;
}
bool failedY = false;
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO) &&
wheelEvent.mOverflowDeltaY != 0) {
failedY = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_POSITIVE) &&
wheelEvent.mOverflowDeltaY <= 0) {
failedY = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_NEGATIVE) &&
wheelEvent.mOverflowDeltaY >= 0) {
failedY = true;
}
#ifdef DEBUG
if (failedX) {
nsPrintfCString debugMsg("SendWheelEvent(): unexpected mOverflowDeltaX: %f",
wheelEvent.mOverflowDeltaX);
NS_WARNING(debugMsg.get());
}
if (failedY) {
nsPrintfCString debugMsg("SendWheelEvent(): unexpected mOverflowDeltaY: %f",
wheelEvent.mOverflowDeltaY);
NS_WARNING(debugMsg.get());
}
#endif
return (!failedX && !failedY) ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendTouchEvent(const nsAString& aType,
uint32_t *aIdentifiers,
int32_t *aXs,
int32_t *aYs,
uint32_t *aRxs,
uint32_t *aRys,
float *aRotationAngles,
float *aForces,
uint32_t aCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame,
bool *aPreventDefault)
{
return SendTouchEventCommon(aType, aIdentifiers, aXs, aYs, aRxs, aRys,
aRotationAngles, aForces, aCount, aModifiers,
aIgnoreRootScrollFrame, false, aPreventDefault);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendTouchEventToWindow(const nsAString& aType,
uint32_t* aIdentifiers,
int32_t* aXs,
int32_t* aYs,
uint32_t* aRxs,
uint32_t* aRys,
float* aRotationAngles,
float* aForces,
uint32_t aCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame,
bool* aPreventDefault)
{
return SendTouchEventCommon(aType, aIdentifiers, aXs, aYs, aRxs, aRys,
aRotationAngles, aForces, aCount, aModifiers,
aIgnoreRootScrollFrame, true, aPreventDefault);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendTouchEventCommon(const nsAString& aType,
uint32_t* aIdentifiers,
int32_t* aXs,
int32_t* aYs,
uint32_t* aRxs,
uint32_t* aRys,
float* aRotationAngles,
float* aForces,
uint32_t aCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame,
bool aToWindow,
bool* aPreventDefault)
{
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) {
return NS_ERROR_NULL_POINTER;
}
EventMessage msg;
if (aType.EqualsLiteral("touchstart")) {
msg = eTouchStart;
} else if (aType.EqualsLiteral("touchmove")) {
msg = eTouchMove;
} else if (aType.EqualsLiteral("touchend")) {
msg = eTouchEnd;
} else if (aType.EqualsLiteral("touchcancel")) {
msg = eTouchCancel;
} else {
return NS_ERROR_UNEXPECTED;
}
WidgetTouchEvent event(true, msg, widget);
event.mModifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.mTime = PR_Now();
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_FAILURE;
}
event.mTouches.SetCapacity(aCount);
for (uint32_t i = 0; i < aCount; ++i) {
LayoutDeviceIntPoint pt =
nsContentUtils::ToWidgetPoint(CSSPoint(aXs[i], aYs[i]), offset, presContext);
LayoutDeviceIntPoint radius =
LayoutDeviceIntPoint::FromAppUnitsRounded(
CSSPoint::ToAppUnits(CSSPoint(aRxs[i], aRys[i])),
presContext->AppUnitsPerDevPixel());
RefPtr<Touch> t =
new Touch(aIdentifiers[i], pt, radius, aRotationAngles[i], aForces[i]);
event.mTouches.AppendElement(t);
}
nsEventStatus status;
if (aToWindow) {
nsCOMPtr<nsIPresShell> presShell;
nsView* view = nsContentUtils::GetViewToDispatchEvent(presContext, getter_AddRefs(presShell));
if (!presShell || !view) {
return NS_ERROR_FAILURE;
}
status = nsEventStatus_eIgnore;
*aPreventDefault = (status == nsEventStatus_eConsumeNoDefault);
return presShell->HandleEvent(view->GetFrame(), &event, false, &status);
}
nsresult rv = widget->DispatchEvent(&event, status);
*aPreventDefault = (status == nsEventStatus_eConsumeNoDefault);
return rv;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
int32_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,
aModifiers,
aCharacters,
aUnmodifiedCharacters,
aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeMouseEvent(int32_t aScreenX,
int32_t aScreenY,
int32_t aNativeMessage,
int32_t aModifierFlags,
nsIDOMElement* 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<LayoutDeviceIntPoint, int32_t, int32_t, nsIObserver*>(
"nsIWidget::SynthesizeNativeMouseEvent",
widget,
&nsIWidget::SynthesizeNativeMouseEvent,
LayoutDeviceIntPoint(aScreenX, aScreenY),
aNativeMessage,
aModifierFlags,
aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeMouseMove(int32_t aScreenX,
int32_t aScreenY,
nsIDOMElement* 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<LayoutDeviceIntPoint, nsIObserver*>(
"nsIWidget::SynthesizeNativeMouseMove",
widget,
&nsIWidget::SynthesizeNativeMouseMove,
LayoutDeviceIntPoint(aScreenX, aScreenY),
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,
nsIDOMElement* aElement,
nsIObserver* aObserver)
{
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidgetForElement(aElement);
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<mozilla::LayoutDeviceIntPoint,
uint32_t,
double,
double,
double,
uint32_t,
uint32_t,
nsIObserver*>(
"nsIWidget::SynthesizeNativeMouseScrollEvent",
widget,
&nsIWidget::SynthesizeNativeMouseScrollEvent,
LayoutDeviceIntPoint(aScreenX, aScreenY),
aNativeMessage,
aDeltaX,
aDeltaY,
aDeltaZ,
aModifierFlags,
aAdditionalFlags,
aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeTouchPoint(uint32_t aPointerId,
uint32_t aTouchState,
int32_t aScreenX,
int32_t aScreenY,
double aPressure,
uint32_t aOrientation,
nsIObserver* aObserver)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
if (aPressure < 0 || aPressure > 1 || aOrientation > 359) {
return NS_ERROR_INVALID_ARG;
}
NS_DispatchToMainThread(NativeInputRunnable::Create(
NewRunnableMethod<uint32_t,
nsIWidget::TouchPointerState,
LayoutDeviceIntPoint,
double,
uint32_t,
nsIObserver*>("nsIWidget::SynthesizeNativeTouchPoint",
widget,
&nsIWidget::SynthesizeNativeTouchPoint,
aPointerId,
(nsIWidget::TouchPointerState)aTouchState,
LayoutDeviceIntPoint(aScreenX, aScreenY),
aPressure,
aOrientation,
aObserver)));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::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::SuppressAnimation(bool aSuppress)
{
nsIWidget* widget = GetWidget();
if (widget) {
widget->SuppressAnimation(aSuppress);
}
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) {
nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
return nsContentUtils::GetWidget(presShell, aOffset);
}
}
return nullptr;
}
nsIWidget*
nsDOMWindowUtils::GetWidgetForElement(nsIDOMElement* aElement)
{
if (!aElement)
return GetWidget();
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
nsIDocument* doc = content->GetUncomposedDoc();
nsIPresShell* presShell = doc ? doc->GetShell() : nullptr;
if (presShell) {
nsIFrame* frame = content->GetPrimaryFrame();
if (!frame) {
frame = presShell->GetRootFrame();
}
if (frame)
return frame->GetNearestWidget();
}
return nullptr;
}
NS_IMETHODIMP
nsDOMWindowUtils::GarbageCollect(nsICycleCollectorListener *aListener)
{
AUTO_PROFILER_LABEL("nsDOMWindowUtils::GarbageCollect", GC);
nsJSContext::GarbageCollectNow(JS::gcreason::DOM_UTILS);
nsJSContext::CycleCollectNow(aListener);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CycleCollect(nsICycleCollectorListener *aListener)
{
nsJSContext::CycleCollectNow(aListener);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RunNextCollectorTimer()
{
nsJSContext::RunNextCollectorTimer(JS::gcreason::DOM_WINDOW_UTILS);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendSimpleGestureEvent(const nsAString& aType,
float aX,
float aY,
uint32_t aDirection,
double aDelta,
int32_t aModifiers,
uint32_t aClickCount)
{
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget)
return NS_ERROR_FAILURE;
EventMessage msg;
if (aType.EqualsLiteral("MozSwipeGestureMayStart")) {
msg = eSwipeGestureMayStart;
} else if (aType.EqualsLiteral("MozSwipeGestureStart")) {
msg = eSwipeGestureStart;
} else if (aType.EqualsLiteral("MozSwipeGestureUpdate")) {
msg = eSwipeGestureUpdate;
} else if (aType.EqualsLiteral("MozSwipeGestureEnd")) {
msg = eSwipeGestureEnd;
} else if (aType.EqualsLiteral("MozSwipeGesture")) {
msg = eSwipeGesture;
} else if (aType.EqualsLiteral("MozMagnifyGestureStart")) {
msg = eMagnifyGestureStart;
} else if (aType.EqualsLiteral("MozMagnifyGestureUpdate")) {
msg = eMagnifyGestureUpdate;
} else if (aType.EqualsLiteral("MozMagnifyGesture")) {
msg = eMagnifyGesture;
} else if (aType.EqualsLiteral("MozRotateGestureStart")) {
msg = eRotateGestureStart;
} else if (aType.EqualsLiteral("MozRotateGestureUpdate")) {
msg = eRotateGestureUpdate;
} else if (aType.EqualsLiteral("MozRotateGesture")) {
msg = eRotateGesture;
} else if (aType.EqualsLiteral("MozTapGesture")) {
msg = eTapGesture;
} else if (aType.EqualsLiteral("MozPressTapGesture")) {
msg = ePressTapGesture;
} else if (aType.EqualsLiteral("MozEdgeUIStarted")) {
msg = eEdgeUIStarted;
} else if (aType.EqualsLiteral("MozEdgeUICanceled")) {
msg = eEdgeUICanceled;
} else if (aType.EqualsLiteral("MozEdgeUICompleted")) {
msg = eEdgeUICompleted;
} else {
return NS_ERROR_FAILURE;
}
WidgetSimpleGestureEvent event(true, msg, widget);
event.mModifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.mDirection = aDirection;
event.mDelta = aDelta;
event.mClickCount = aClickCount;
event.mTime = PR_IntervalNow();
nsPresContext* presContext = GetPresContext();
if (!presContext)
return NS_ERROR_FAILURE;
event.mRefPoint =
nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext);
nsEventStatus status;
return widget->DispatchEvent(&event, status);
}
NS_IMETHODIMP
nsDOMWindowUtils::ElementFromPoint(float aX, float aY,
bool aIgnoreRootScrollFrame,
bool aFlushLayout,
nsIDOMElement** aReturn)
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
Element* el =
doc->ElementFromPointHelper(aX, aY, aIgnoreRootScrollFrame, aFlushLayout);
nsCOMPtr<nsIDOMElement> retval = do_QueryInterface(el);
retval.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,
nsIDOMNodeList** aReturn)
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
return doc->NodesFromRectHelper(aX, aY, aTopSize, aRightSize, aBottomSize, aLeftSize,
aIgnoreRootScrollFrame, aFlushLayout, aReturn);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetTranslationNodes(nsIDOMNode* aRoot,
nsITranslationNodeList** aRetVal)
{
NS_ENSURE_ARG_POINTER(aRetVal);
nsCOMPtr<nsIContent> root = do_QueryInterface(aRoot);
NS_ENSURE_STATE(root);
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
if (root->OwnerDoc() != doc) {
return NS_ERROR_DOM_WRONG_DOCUMENT_ERR;
}
nsTHashtable<nsPtrHashKey<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->HasTextForTranslation()) {
translationNodesHash.PutEntry(content);
bool isBlockFrame = false;
nsIFrame* frame = content->GetPrimaryFrame();
if (frame) {
isBlockFrame = frame->IsFrameOfType(nsIFrame::eBlockFrame);
}
bool isTranslationRoot = isBlockFrame;
if (!isBlockFrame) {
// 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->AsDOMNode(), isTranslationRoot);
--limit;
break;
}
}
}
*aRetVal = list.forget().take();
return NS_OK;
}
static already_AddRefed<DataSourceSurface>
CanvasToDataSourceSurface(HTMLCanvasElement* aCanvas)
{
MOZ_ASSERT(aCanvas);
nsLayoutUtils::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)
{
if (aCanvas1 == nullptr ||
aCanvas2 == nullptr ||
retVal == nullptr)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIContent> contentCanvas1 = do_QueryInterface(aCanvas1);
nsCOMPtr<nsIContent> contentCanvas2 = do_QueryInterface(aCanvas2);
auto canvas1 = HTMLCanvasElement::FromNodeOrNull(contentCanvas1);
auto canvas2 = HTMLCanvasElement::FromNodeOrNull(contentCanvas2);
if (!canvas1 || !canvas2) {
return NS_ERROR_FAILURE;
}
RefPtr<DataSourceSurface> img1 = CanvasToDataSourceSurface(canvas1);
RefPtr<DataSourceSurface> img2 = CanvasToDataSourceSurface(canvas2);
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 (img1 == nullptr || img2 == nullptr ||
!map1.IsMapped() || !map2.IsMapped() ||
img1->GetSize() != img2->GetSize() ||
map1.GetStride() != map2.GetStride()) {
return NS_ERROR_FAILURE;
}
int v;
IntSize size = img1->GetSize();
int32_t stride = map1.GetStride();
// we can optimize for the common all-pass case
if (stride == size.width * 4) {
v = memcmp(map1.GetData(), map2.GetData(), size.width * size.height * 4);
if (v == 0) {
if (aMaxDifference)
*aMaxDifference = 0;
*retVal = 0;
return NS_OK;
}
}
uint32_t dc = 0;
uint32_t different = 0;
for (int j = 0; j < size.height; j++) {
unsigned char *p1 = map1.GetData() + j*stride;
unsigned char *p2 = map2.GetData() + j*stride;
v = memcmp(p1, p2, stride);
if (v) {
for (int i = 0; i < size.width; i++) {
if (*(uint32_t*) p1 != *(uint32_t*) p2) {
different++;
dc = std::max((uint32_t)abs(p1[0] - p2[0]), dc);
dc = std::max((uint32_t)abs(p1[1] - p2[1]), dc);
dc = std::max((uint32_t)abs(p1[2] - p2[2]), dc);
dc = std::max((uint32_t)abs(p1[3] - p2[3]), dc);
}
p1 += 4;
p2 += 4;
}
}
}
if (aMaxDifference)
*aMaxDifference = dc;
*retVal = different;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsMozAfterPaintPending(bool *aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = false;
nsPresContext* presContext = GetPresContext();
if (!presContext)
return NS_OK;
*aResult = presContext->IsDOMPaintEventPending();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::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);
nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
presShell->DisableNonTestMouseEvents(aDisable);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SuppressEventHandling(bool aSuppress)
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
if (aSuppress) {
doc->SuppressEventHandling();
} else {
doc->UnsuppressEventHandlingAndFireEvents(true);
}
return NS_OK;
}
static nsresult
getScrollXYAppUnits(const nsWeakPtr& aWindow, bool aFlushLayout, nsPoint& aScrollPos) {
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(aWindow);
nsCOMPtr<nsIDocument> doc = window ? window->GetExtantDoc() : nullptr;
NS_ENSURE_STATE(doc);
if (aFlushLayout) {
doc->FlushPendingNotifications(FlushType::Layout);
}
nsIPresShell *presShell = doc->GetShell();
if (presShell) {
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::GetScrollbarSize(bool aFlushLayout, int32_t* aWidth,
int32_t* aHeight)
{
*aWidth = 0;
*aHeight = 0;
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
if (aFlushLayout) {
doc->FlushPendingNotifications(FlushType::Layout);
}
nsIPresShell* presShell = doc->GetShell();
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(nsIDOMElement *aElement,
nsISupports** aResult)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
RefPtr<DOMRect> rect = new DOMRect(window);
nsIFrame* frame = content->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<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
nsIPresShell* presShell = doc->GetShell();
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::GetRootBounds(nsISupports** aResult)
{
nsIDocument* doc = GetDocument();
NS_ENSURE_STATE(doc);
nsRect bounds(0, 0, 0, 0);
nsIPresShell* presShell = doc->GetShell();
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 != IMEState::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::GetFocusedInputType(nsAString& aType)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
aType = widget->GetInputContext().mHTMLInputType;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetViewId(nsIDOMElement* aElement, nsViewID* aResult)
{
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement);
if (content && nsLayoutUtils::FindIDFor(content, aResult)) {
return NS_OK;
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetScreenPixelsPerCSSPixel(float* aScreenPixels)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
*aScreenPixels = window->GetDevicePixelRatio(CallerType::System);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFullZoom(float* aFullZoom)
{
*aFullZoom = 1.0f;
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_OK;
}
*aFullZoom = presContext->DeviceContext()->GetFullZoom();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DispatchDOMEventViaPresShell(nsIDOMNode* aTarget,
nsIDOMEvent* aEvent,
bool aTrusted,
bool* aRetVal)
{
NS_ENSURE_STATE(aEvent);
aEvent->SetTrusted(aTrusted);
WidgetEvent* internalEvent = aEvent->WidgetEventPtr();
NS_ENSURE_STATE(internalEvent);
nsCOMPtr<nsIContent> content = do_QueryInterface(aTarget);
NS_ENSURE_STATE(content);
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (content->OwnerDoc()->GetWindow() != window) {
return NS_ERROR_DOM_HIERARCHY_REQUEST_ERR;
}
nsCOMPtr<nsIDocument> targetDoc = content->GetUncomposedDoc();
NS_ENSURE_STATE(targetDoc);
RefPtr<nsIPresShell> targetShell = targetDoc->GetShell();
NS_ENSURE_STATE(targetShell);
targetDoc->FlushPendingNotifications(FlushType::Layout);
nsEventStatus status = nsEventStatus_eIgnore;
targetShell->HandleEventWithTarget(internalEvent, nullptr, content, &status);
*aRetVal = (status != nsEventStatus_eConsumeNoDefault);
return NS_OK;
}
static void
InitEvent(WidgetGUIEvent& aEvent, LayoutDeviceIntPoint* aPt = nullptr)
{
if (aPt) {
aEvent.mRefPoint = *aPt;
}
aEvent.mTime = PR_IntervalNow();
}
NS_IMETHODIMP
nsDOMWindowUtils::SendQueryContentEvent(uint32_t aType,
int64_t aOffset, uint32_t aLength,
int32_t aX, int32_t aY,
uint32_t aAdditionalFlags,
nsIQueryContentEventResult **aResult)
{
*aResult = nullptr;
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsIDocShell *docShell = window->GetDocShell();
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
nsPresContext* presContext = presShell->GetPresContext();
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
EventMessage message;
switch (aType) {
case QUERY_SELECTED_TEXT:
message = eQuerySelectedText;
break;
case QUERY_TEXT_CONTENT:
message = eQueryTextContent;
break;
case QUERY_CARET_RECT:
message = eQueryCaretRect;
break;
case QUERY_TEXT_RECT:
message = eQueryTextRect;
break;
case QUERY_EDITOR_RECT:
message = eQueryEditorRect;
break;
case QUERY_CHARACTER_AT_POINT:
message = eQueryCharacterAtPoint;
break;
case QUERY_TEXT_RECT_ARRAY:
message = eQueryTextRectArray;
break;
default:
return NS_ERROR_INVALID_ARG;
}
SelectionType selectionType = SelectionType::eNormal;
static const uint32_t kSelectionFlags =
QUERY_CONTENT_FLAG_SELECTION_SPELLCHECK |
QUERY_CONTENT_FLAG_SELECTION_IME_RAWINPUT |
QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDRAWTEXT |
QUERY_CONTENT_FLAG_SELECTION_IME_CONVERTEDTEXT |
QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDCONVERTEDTEXT |
QUERY_CONTENT_FLAG_SELECTION_ACCESSIBILITY |
QUERY_CONTENT_FLAG_SELECTION_FIND |
QUERY_CONTENT_FLAG_SELECTION_URLSECONDARY |
QUERY_CONTENT_FLAG_SELECTION_URLSTRIKEOUT;
switch (aAdditionalFlags & kSelectionFlags) {
case QUERY_CONTENT_FLAG_SELECTION_SPELLCHECK:
selectionType = SelectionType::eSpellCheck;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_RAWINPUT:
selectionType = SelectionType::eIMERawClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDRAWTEXT:
selectionType = SelectionType::eIMESelectedRawClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_CONVERTEDTEXT:
selectionType = SelectionType::eIMEConvertedClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDCONVERTEDTEXT:
selectionType = SelectionType::eIMESelectedClause;
break;
case QUERY_CONTENT_FLAG_SELECTION_ACCESSIBILITY:
selectionType = SelectionType::eAccessibility;
break;
case QUERY_CONTENT_FLAG_SELECTION_FIND:
selectionType = SelectionType::eFind;
break;
case QUERY_CONTENT_FLAG_SELECTION_URLSECONDARY:
selectionType = SelectionType::eURLSecondary;
break;
case QUERY_CONTENT_FLAG_SELECTION_URLSTRIKEOUT:
selectionType = SelectionType::eURLStrikeout;
break;
case 0:
break;
default:
return NS_ERROR_INVALID_ARG;
}
if (selectionType != SelectionType::eNormal &&
message != eQuerySelectedText) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIWidget> targetWidget = widget;
LayoutDeviceIntPoint pt(aX, aY);
WidgetQueryContentEvent::Options options;
options.mUseNativeLineBreak =
!(aAdditionalFlags & QUERY_CONTENT_FLAG_USE_XP_LINE_BREAK);
options.mRelativeToInsertionPoint =
(aAdditionalFlags &
QUERY_CONTENT_FLAG_OFFSET_RELATIVE_TO_INSERTION_POINT) != 0;
if (options.mRelativeToInsertionPoint) {
switch (message) {
case eQueryTextContent:
case eQueryCaretRect:
case eQueryTextRect:
break;
default:
return NS_ERROR_INVALID_ARG;
}
} else if (aOffset < 0) {
return NS_ERROR_INVALID_ARG;
}
if (message == eQueryCharacterAtPoint) {
// Looking for the widget at the point.
WidgetQueryContentEvent dummyEvent(true, eQueryContentState, widget);
dummyEvent.Init(options);
InitEvent(dummyEvent, &pt);
nsIFrame* popupFrame =
nsLayoutUtils::GetPopupFrameForEventCoordinates(presContext->GetRootPresContext(), &dummyEvent);
LayoutDeviceIntRect widgetBounds = widget->GetClientBounds();
widgetBounds.MoveTo(0, 0);
// There is no popup frame at the point and the point isn't in our widget,
// we cannot process this request.
NS_ENSURE_TRUE(popupFrame || widgetBounds.Contains(pt), NS_ERROR_FAILURE);
// Fire the event on the widget at the point
if (popupFrame) {
targetWidget = popupFrame->GetNearestWidget();
}
}
pt += widget->WidgetToScreenOffset() - targetWidget->WidgetToScreenOffset();
WidgetQueryContentEvent queryEvent(true, message, targetWidget);
InitEvent(queryEvent, &pt);
switch (message) {
case eQueryTextContent:
queryEvent.InitForQueryTextContent(aOffset, aLength, options);
break;
case eQueryCaretRect:
queryEvent.InitForQueryCaretRect(aOffset, options);
break;
case eQueryTextRect:
queryEvent.InitForQueryTextRect(aOffset, aLength, options);
break;
case eQuerySelectedText:
queryEvent.InitForQuerySelectedText(selectionType, options);
break;
case eQueryTextRectArray:
queryEvent.InitForQueryTextRectArray(aOffset, aLength, options);
break;
default:
queryEvent.Init(options);
break;
}
nsEventStatus status;
nsresult rv = targetWidget->DispatchEvent(&queryEvent, status);
NS_ENSURE_SUCCESS(rv, rv);
auto* result = new nsQueryContentEventResult();
result->SetEventResult(widget, queryEvent);
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)
{
// 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("pasteTransferable")) {
msg = eContentCommandPasteTransferable;
} else {
return NS_ERROR_FAILURE;
}
WidgetContentCommandEvent event(true, msg, widget);
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_strdup(JS_GetClass(aObject.toObjectOrNull())->name);
MOZ_ASSERT(*aName, "NS_strdup should be infallible.");
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetVisitedDependentComputedStyle(
nsIDOMElement *aElement, const nsAString& aPseudoElement,
const nsAString& aPropertyName, nsAString& aResult)
{
aResult.Truncate();
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
nsCOMPtr<Element> element = do_QueryInterface(aElement);
NS_ENSURE_STATE(window && element);
nsCOMPtr<nsPIDOMWindowInner> innerWindow = window->GetCurrentInnerWindow();
NS_ENSURE_STATE(window);
nsCOMPtr<nsICSSDeclaration> decl;
{
ErrorResult rv;
decl = innerWindow->GetComputedStyle(*element, aPseudoElement, rv);
ENSURE_SUCCESS(rv, rv.StealNSResult());
}
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(true);
nsresult rv = decl->GetPropertyValue(aPropertyName, aResult);
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(false);
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::SetDesktopModeViewport(bool aDesktopMode)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetDesktopModeViewport(aDesktopMode);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetOuterWindowID(uint64_t *aWindowID)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aWindowID = window->WindowID();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentInnerWindowID(uint64_t *aWindowID)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_NOT_AVAILABLE);
nsGlobalWindowInner* inner =
nsGlobalWindowOuter::Cast(window)->GetCurrentInnerWindowInternal();
if (!inner) {
return NS_ERROR_NOT_AVAILABLE;
}
*aWindowID = inner->WindowID();
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;
LayerManager *mgr = widget->GetLayerManager(nsIWidget::LAYER_MANAGER_PERSISTENT);
if (!mgr)
return NS_ERROR_FAILURE;
mgr->GetBackendName(aType);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLayerManagerRemote(bool* retval)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
*retval = !!mgr->AsKnowsCompositor();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetUsingAdvancedLayers(bool* retval)
{
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
LayerManager *mgr = widget->GetLayerManager();
if (!mgr) {
return NS_ERROR_FAILURE;
}
*retval = false;
if (KnowsCompositor* fwd = mgr->AsKnowsCompositor()) {
*retval = fwd->GetTextureFactoryIdentifier().mUsingAdvancedLayers;
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsWebRenderRequested(bool* retval)
{
*retval = gfxPlatform::WebRenderPrefEnabled() ||
gfxPlatform::WebRenderEnvvarEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentAudioBackend(nsAString& aBackend)
{
CubebUtils::GetCurrentBackend(aBackend);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentMaxAudioChannels(uint32_t* aChannels)
{
*aChannels = CubebUtils::MaxNumberOfChannels();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentPreferredSampleRate(uint32_t* aRate)
{
*aRate = CubebUtils::PreferredSampleRate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::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);
nsTArray<RefPtr<AudioDeviceInfo>> collection;
CubebUtils::GetDeviceCollection(collection,
aSide == AUDIO_INPUT
? CubebUtils::Side::Input
: CubebUtils::Side::Output);
for (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;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
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 = mgr->StartFrameTimeRecording(bufferSize);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StopFrameTimeRecording(uint32_t startIndex,
uint32_t *frameCount,
float **frameIntervals)
{
NS_ENSURE_ARG_POINTER(frameCount);
NS_ENSURE_ARG_POINTER(frameIntervals);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
nsTArray<float> tmpFrameIntervals;
mgr->StopFrameTimeRecording(startIndex, tmpFrameIntervals);
*frameCount = tmpFrameIntervals.Length();
*frameIntervals = (float*)moz_xmalloc(*frameCount * sizeof(float));
/* copy over the frame intervals and paint times into the arrays we just allocated */
for (uint32_t i = 0; i < *frameCount; i++) {
(*frameIntervals)[i] = tmpFrameIntervals[i];
}
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<nsIDocument> doc = GetDocument();
if (doc) {
PendingAnimationTracker* tracker = doc->GetPendingAnimationTracker();
if (tracker) {
tracker->TriggerPendingAnimationsNow();
}
}
nsPresContext* presContext = GetPresContext();
if (presContext) {
nsRefreshDriver* driver = presContext->RefreshDriver();
driver->AdvanceTimeAndRefresh(aMilliseconds);
RefPtr<LayerTransactionChild> transaction = GetLayerTransaction();
if (transaction && transaction->IPCOpen()) {
transaction->SendSetTestSampleTime(driver->MostRecentRefresh());
} else if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->SendSetTestSampleTime(driver->MostRecentRefresh());
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLastTransactionId(uint64_t *aLastTransactionId)
{
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_UNEXPECTED;
}
nsRefreshDriver* driver = presContext->GetRootPresContext()->RefreshDriver();
*aLastTransactionId = driver->LastTransactionId();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RestoreNormalRefresh()
{
// Kick the compositor out of test mode before the refresh driver, so that
// the refresh driver doesn't send an update that gets ignored by the
// compositor.
RefPtr<LayerTransactionChild> transaction = GetLayerTransaction();
if (transaction && transaction->IPCOpen()) {
transaction->SendLeaveTestMode();
} else if (WebRenderBridgeChild* wrbc = GetWebRenderBridge()) {
wrbc->SendLeaveTestMode();
}
if (nsPresContext* pc = GetPresContext()) {
nsRefreshDriver* driver = pc->RefreshDriver();
driver->RestoreNormalRefresh();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsTestControllingRefreshes(bool *aResult)
{
nsPresContext* pc = GetPresContext();
*aResult =
pc ? pc->RefreshDriver()->IsTestControllingRefreshesEnabled() : false;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetAsyncPanZoomEnabled(bool *aResult)
{
nsIWidget* widget = GetWidget();
if (widget) {
*aResult = widget->AsyncPanZoomEnabled();
} else {
*aResult = gfxPlatform::AsyncPanZoomEnabled();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAsyncScrollOffset(nsIDOMNode* aNode,
float aX, float aY)
{
nsCOMPtr<Element> element = do_QueryInterface(aNode);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
FrameMetrics::ViewID viewId;
if (!nsLayoutUtils::FindIDFor(element, &viewId)) {
return NS_ERROR_UNEXPECTED;
}
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
LayerManager* manager = widget->GetLayerManager();
if (!manager) {
return NS_ERROR_FAILURE;
}
if (WebRenderLayerManager* wrlm = manager->AsWebRenderLayerManager()) {
WebRenderBridgeChild* wrbc = wrlm->WrBridge();
if (!wrbc) {
return NS_ERROR_UNEXPECTED;
}
wrbc->SendSetAsyncScrollOffset(viewId, aX, aY);
return NS_OK;
}
ShadowLayerForwarder* forwarder = manager->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
return NS_ERROR_UNEXPECTED;
}
forwarder->GetShadowManager()->SendSetAsyncScrollOffset(viewId, aX, aY);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAsyncZoom(nsIDOMNode* aRootElement, float aValue)
{
nsCOMPtr<Element> element = do_QueryInterface(aRootElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
FrameMetrics::ViewID viewId;
if (!nsLayoutUtils::FindIDFor(element, &viewId)) {
return NS_ERROR_UNEXPECTED;
}
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
LayerManager* manager = widget->GetLayerManager();
if (!manager) {
return NS_ERROR_FAILURE;
}
if (WebRenderLayerManager* wrlm = manager->AsWebRenderLayerManager()) {
WebRenderBridgeChild* wrbc = wrlm->WrBridge();
if (!wrbc) {
return NS_ERROR_UNEXPECTED;
}
wrbc->SendSetAsyncZoom(viewId, aValue);
return NS_OK;
}
ShadowLayerForwarder* forwarder = manager->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
return NS_ERROR_UNEXPECTED;
}
forwarder->GetShadowManager()->SendSetAsyncZoom(viewId, aValue);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::FlushApzRepaints(bool* aOutResult)
{
nsIWidget* widget = GetWidget();
if (!widget) {
*aOutResult = false;
return NS_OK;
}
// If APZ is not enabled, this function is a no-op.
if (!widget->AsyncPanZoomEnabled()) {
*aOutResult = false;
return NS_OK;
}
LayerManager* manager = widget->GetLayerManager();
if (!manager) {
*aOutResult = false;
return NS_OK;
}
if (WebRenderLayerManager* wrlm = manager->AsWebRenderLayerManager()) {
WebRenderBridgeChild* wrbc = wrlm->WrBridge();
if (!wrbc) {
return NS_ERROR_UNEXPECTED;
}
wrbc->SendFlushApzRepaints();
*aOutResult = true;
return NS_OK;
}
ShadowLayerForwarder* forwarder = manager->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
*aOutResult = false;
return NS_OK;
}
forwarder->GetShadowManager()->SendFlushApzRepaints();
*aOutResult = true;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ZoomToFocusedInput()
{
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_OK;
}
// If APZ is not enabled, this function is a no-op.
if (!widget->AsyncPanZoomEnabled()) {
return NS_OK;
}
nsFocusManager* fm = nsFocusManager::GetFocusManager();
if (!fm) {
return NS_OK;
}
nsIContent* content = fm->GetFocusedContent();
if (!content) {
return NS_OK;
}
nsIPresShell* shell = APZCCallbackHelper::GetRootContentDocumentPresShellForContent(content);
if (!shell) {
return NS_OK;
}
nsIScrollableFrame* rootScrollFrame = shell->GetRootScrollFrameAsScrollable();
if (!rootScrollFrame) {
return NS_OK;
}
nsIFrame* currentFrame = content->GetPrimaryFrame();
nsIFrame* rootFrame = shell->GetRootFrame();
nsIFrame* scrolledFrame = rootScrollFrame->GetScrolledFrame();
bool isFixedPos = true;
while (currentFrame) {
if (currentFrame == rootFrame) {
break;
}
if (currentFrame == scrolledFrame) {
// we are in the rootScrollFrame so this element is not fixed
isFixedPos = false;
break;
}
currentFrame = nsLayoutUtils::GetCrossDocParentFrame(currentFrame);
}
if (isFixedPos) {
// We didn't find the scrolledFrame in our parent frames so this content must be fixed position.
// Zooming into fixed position content doesn't make sense so just return with out panning and zooming.
return NS_OK;
}
nsIDocument* document = shell->GetDocument();
if (!document) {
return NS_OK;
}
uint32_t presShellId;
FrameMetrics::ViewID viewId;
if (APZCCallbackHelper::GetOrCreateScrollIdentifiers(document->GetDocumentElement(), &presShellId, &viewId)) {
uint32_t flags = layers::DISABLE_ZOOM_OUT;
if (!Preferences::GetBool("formhelper.autozoom")) {
flags |= layers::PAN_INTO_VIEW_ONLY;
} else {
flags |= layers::ONLY_ZOOM_TO_DEFAULT_SCALE;
}
CSSRect bounds = nsLayoutUtils::GetBoundingContentRect(content, rootScrollFrame);
if (bounds.IsEmpty()) {
// Do not zoom on empty bounds. Bail out.
return NS_OK;
}
bounds.Inflate(15.0f, 0.0f);
widget->ZoomToRect(presShellId, viewId, bounds, flags);
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ComputeAnimationDistance(nsIDOMElement* aElement,
const nsAString& aProperty,
const nsAString& aValue1,
const nsAString& aValue2,
double* aResult)
{
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCSSPropertyID property =
nsCSSProps::LookupProperty(aProperty, CSSEnabledState::eIgnoreEnabledState);
if (property == eCSSProperty_UNKNOWN ||
nsCSSProps::IsShorthand(property)) {
return NS_ERROR_ILLEGAL_VALUE;
}
Element* element = content->AsElement();
AnimationValue v1 = AnimationValue::FromString(property, aValue1, element);
AnimationValue v2 = AnimationValue::FromString(property, aValue2, element);
if (v1.IsNull() || v2.IsNull()) {
return NS_ERROR_ILLEGAL_VALUE;
}
RefPtr<ComputedStyle> computedStyle =
nsComputedDOMStyle::GetComputedStyle(element, nullptr);
*aResult = v1.ComputeDistance(property, v2, computedStyle);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetAnimationTypeForLonghand(const nsAString& aProperty,
nsAString& aResult)
{
nsCSSPropertyID propertyID =
nsCSSProps::LookupProperty(aProperty, CSSEnabledState::eForAllContent);
if (propertyID == eCSSProperty_UNKNOWN) {
return NS_ERROR_INVALID_ARG;
}
if (nsCSSProps::IsShorthand(propertyID)) {
// The given property should be a longhand.
return NS_ERROR_INVALID_ARG;
}
switch (nsCSSProps::kAnimTypeTable[propertyID]) {
case eStyleAnimType_Custom:
aResult.AssignLiteral("custom");
break;
case eStyleAnimType_Coord:
case eStyleAnimType_Sides_Top:
case eStyleAnimType_Sides_Right:
case eStyleAnimType_Sides_Bottom:
case eStyleAnimType_Sides_Left:
case eStyleAnimType_Corner_TopLeft:
case eStyleAnimType_Corner_TopRight:
case eStyleAnimType_Corner_BottomRight:
case eStyleAnimType_Corner_BottomLeft:
aResult.AssignLiteral("coord");
break;
case eStyleAnimType_nscoord:
aResult.AssignLiteral("length");
break;
case eStyleAnimType_float:
aResult.AssignLiteral("float");
break;
case eStyleAnimType_Color:
case eStyleAnimType_ComplexColor:
aResult.AssignLiteral("color");
break;
case eStyleAnimType_PaintServer:
aResult.AssignLiteral("paintServer");
break;
case eStyleAnimType_Shadow:
aResult.AssignLiteral("shadow");
break;
case eStyleAnimType_Discrete:
aResult.AssignLiteral("discrete");
break;
case eStyleAnimType_None:
aResult.AssignLiteral("none");
break;
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetUnanimatedComputedStyle(nsIDOMElement* aElement,
const nsAString& aPseudoElement,
const nsAString& aProperty,
int32_t aFlushType,
nsAString& aResult)
{
nsCOMPtr<Element> element = do_QueryInterface(aElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
nsCSSPropertyID propertyID =
nsCSSProps::LookupProperty(aProperty, CSSEnabledState::eForAllContent);
if (propertyID == eCSSProperty_UNKNOWN ||
nsCSSProps::IsShorthand(propertyID)) {
return NS_ERROR_INVALID_ARG;
}
switch (aFlushType) {
case FLUSH_NONE:
break;
case FLUSH_STYLE: {
if (nsIDocument* doc = element->GetComposedDoc()) {
doc->FlushPendingNotifications(FlushType::Style);
}
break;
}
default:
return NS_ERROR_INVALID_ARG;
}
nsIPresShell* shell = GetPresShell();
if (!shell) {
return NS_ERROR_FAILURE;
}
RefPtr<nsAtom> pseudo = nsCSSPseudoElements::GetPseudoAtom(aPseudoElement);
RefPtr<ComputedStyle> computedStyle =
nsComputedDOMStyle::GetUnanimatedComputedStyleNoFlush(element, pseudo);
if (!computedStyle) {
return NS_ERROR_FAILURE;
}
RefPtr<RawServoAnimationValue> value =
Servo_ComputedValues_ExtractAnimationValue(computedStyle,
propertyID).Consume();
if (!value) {
return NS_ERROR_FAILURE;
}
Servo_AnimationValue_Serialize(value, propertyID, &aResult);
return NS_OK;
}
nsresult
nsDOMWindowUtils::RenderDocument(const nsRect& aRect,
uint32_t aFlags,
nscolor aBackgroundColor,
gfxContext* aThebesContext)
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
// Get Primary Shell
nsCOMPtr<nsIPresShell> presShell = doc->GetShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
// Render Document
return presShell->RenderDocument(aRect, aFlags, aBackgroundColor, aThebesContext);
}
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::GetContainerElement(nsIDOMElement** aResult)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsCOMPtr<nsIDOMElement> element =
do_QueryInterface(window->GetFrameElementInternal());
element.forget(aResult);
return NS_OK;
}
#ifdef DEBUG
static bool
CheckLeafLayers(Layer* aLayer, const nsIntPoint& aOffset, nsIntRegion* aCoveredRegion)
{
gfx::Matrix transform;
if (!aLayer->GetTransform().Is2D(&transform) ||
transform.HasNonIntegerTranslation())
return false;
transform.NudgeToIntegers();
IntPoint offset = aOffset + IntPoint::Truncate(transform._31, transform._32);
Layer* child = aLayer->GetFirstChild();
if (child) {
while (child) {
if (!CheckLeafLayers(child, offset, aCoveredRegion))
return false;
child = child->GetNextSibling();
}
} else {
nsIntRegion rgn = aLayer->GetVisibleRegion().ToUnknownRegion();
rgn.MoveBy(offset);
nsIntRegion tmp;
tmp.And(rgn, *aCoveredRegion);
if (!tmp.IsEmpty())
return false;
aCoveredRegion->Or(*aCoveredRegion, rgn);
}
return true;
}
#endif
NS_IMETHODIMP
nsDOMWindowUtils::LeafLayersPartitionWindow(bool* aResult)
{
*aResult = true;
#ifdef DEBUG
nsIWidget* widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager* manager = widget->GetLayerManager();
if (!manager)
return NS_ERROR_FAILURE;
nsPresContext* presContext = GetPresContext();
if (!presContext)
return NS_ERROR_FAILURE;
Layer* root = manager->GetRoot();
if (!root)
return NS_ERROR_FAILURE;
nsIntPoint offset(0, 0);
nsIntRegion coveredRegion;
if (!CheckLeafLayers(root, offset, &coveredRegion)) {
*aResult = false;
}
if (!coveredRegion.IsEqual(root->GetVisibleRegion().ToUnknownRegion())) {
*aResult = false;
}
#endif
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CheckAndClearPaintedState(nsIDOMElement* aElement, bool* aResult)
{
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsIFrame* frame = content->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() == content) {
frame = parentFrame;
} else {
break;
}
}
*aResult = frame->CheckAndClearPaintedState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CheckAndClearDisplayListState(nsIDOMElement* aElement, bool* aResult)
{
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsIFrame* frame = content->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() == content) {
frame = parentFrame;
} else {
break;
}
}
*aResult = frame->CheckAndClearDisplayListState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsPartOfOpaqueLayer(nsIDOMElement* aElement, bool* aResult)
{
if (!aElement) {
return NS_ERROR_INVALID_ARG;
}
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsIFrame* frame = content->GetPrimaryFrame();
if (!frame) {
return NS_ERROR_FAILURE;
}
ColorLayer* colorLayer = FrameLayerBuilder::GetDebugSingleOldLayerForFrame<ColorLayer>(frame);
if (colorLayer) {
auto color = colorLayer->GetColor();
*aResult = color.a == 1.0f;
return NS_OK;
}
PaintedLayer* paintedLayer = FrameLayerBuilder::GetDebugSingleOldLayerForFrame<PaintedLayer>(frame);
if (paintedLayer) {
*aResult = paintedLayer->IsOpaque();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::NumberOfAssignedPaintedLayers(nsIDOMElement** aElements,
uint32_t aCount,
uint32_t* aResult)
{
if (!aElements) {
return NS_ERROR_INVALID_ARG;
}
nsTHashtable<nsPtrHashKey<PaintedLayer>> layers;
nsresult rv;
for (uint32_t i = 0; i < aCount; i++) {
nsCOMPtr<nsIContent> content = do_QueryInterface(aElements[i], &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsIFrame* frame = content->GetPrimaryFrame();
if (!frame) {
return NS_ERROR_FAILURE;
}
PaintedLayer* layer = FrameLayerBuilder::GetDebugSingleOldLayerForFrame<PaintedLayer>(frame);
if (!layer) {
return NS_ERROR_FAILURE;
}
layers.PutEntry(layer);
}
*aResult = layers.Count();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnableDialogs()
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsGlobalWindowOuter::Cast(window)->EnableDialogs();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DisableDialogs()
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsGlobalWindowOuter::Cast(window)->DisableDialogs();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AreDialogsEnabled(bool* aResult)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
*aResult = nsGlobalWindowOuter::Cast(window)->AreDialogsEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFileId(JS::Handle<JS::Value> aFile, JSContext* aCx,
int64_t* _retval)
{
if (aFile.isPrimitive()) {
*_retval = -1;
return NS_OK;
}
JS::Rooted<JSObject*> obj(aCx, aFile.toObjectOrNull());
IDBMutableFile* mutableFile = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(IDBMutableFile, &obj, mutableFile))) {
*_retval = mutableFile->GetFileId();
return NS_OK;
}
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, &obj, blob))) {
*_retval = blob->GetFileId();
return NS_OK;
}
*_retval = -1;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFilePath(JS::HandleValue aFile, JSContext* aCx,
nsAString& _retval)
{
if (aFile.isPrimitive()) {
_retval.Truncate();
return NS_OK;
}
JS::Rooted<JSObject*> obj(aCx, aFile.toObjectOrNull());
File* file = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(File, &obj, file))) {
nsString filePath;
ErrorResult rv;
file->GetMozFullPathInternal(filePath, rv);
if (NS_WARN_IF(rv.Failed())) {
return rv.StealNSResult();
}
_retval = filePath;
return NS_OK;
}
_retval.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFileReferences(const nsAString& aDatabaseName, int64_t aId,
JS::Handle<JS::Value> aOptions,
int32_t* aRefCnt, int32_t* aDBRefCnt,
int32_t* aSliceRefCnt, JSContext* aCx,
bool* aResult)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCString origin;
nsresult rv =
quota::QuotaManager::GetInfoFromWindow(window, nullptr, nullptr, &origin);
NS_ENSURE_SUCCESS(rv, rv);
IDBOpenDBOptions options;
JS::Rooted<JS::Value> optionsVal(aCx, aOptions);
if (!options.Init(aCx, optionsVal)) {
return NS_ERROR_TYPE_ERR;
}
quota::PersistenceType persistenceType =
quota::PersistenceTypeFromStorage(options.mStorage);
RefPtr<IndexedDatabaseManager> mgr = IndexedDatabaseManager::Get();
if (mgr) {
rv = mgr->BlockAndGetFileReferences(persistenceType, origin, aDatabaseName,
aId, aRefCnt, aDBRefCnt, aSliceRefCnt,
aResult);
NS_ENSURE_SUCCESS(rv, rv);
}
else {
*aRefCnt = *aDBRefCnt = *aSliceRefCnt = -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::IsIncrementalGCEnabled(JSContext* cx, bool* aResult)
{
*aResult = JS::IsIncrementalGCEnabled(cx);
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);
nsCOMPtr<nsIPresShell> presShell = docShell->GetPresShell();
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
*aPaintingSuppressed = presShell->IsPaintingSuppressed();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPlugins(JSContext* cx, JS::MutableHandle<JS::Value> aPlugins)
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
nsTArray<nsIObjectLoadingContent*> plugins;
doc->GetPlugins(plugins);
JS::Rooted<JSObject*> jsPlugins(cx);
nsresult rv = nsTArrayToJSArray(cx, plugins, &jsPlugins);
NS_ENSURE_SUCCESS(rv, rv);
aPlugins.setObject(*jsPlugins);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetScrollPositionClampingScrollPortSize(float aWidth, float aHeight)
{
if (!(aWidth >= 0.0 && aHeight >= 0.0)) {
return NS_ERROR_ILLEGAL_VALUE;
}
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsLayoutUtils::SetScrollPositionClampingScrollPortSize(presShell, CSSSize(aWidth, aHeight));
return NS_OK;
}
nsresult
nsDOMWindowUtils::RemoteFrameFullscreenChanged(nsIDOMElement* aFrameElement)
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
doc->RemoteFrameFullscreenChanged(aFrameElement);
return NS_OK;
}
nsresult
nsDOMWindowUtils::RemoteFrameFullscreenReverted()
{
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
doc->RemoteFrameFullscreenReverted();
return NS_OK;
}
static void
PrepareForFullscreenChange(nsIPresShell* aPresShell, const nsSize& aSize,
nsSize* aOldSize = nullptr)
{
if (!aPresShell) {
return;
}
if (nsRefreshDriver* rd = aPresShell->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()) {
if (nsViewManager* viewManager = aPresShell->GetViewManager()) {
if (aOldSize) {
viewManager->GetWindowDimensions(&aOldSize->width, &aOldSize->height);
}
viewManager->SetWindowDimensions(aSize.width, aSize.height);
}
}
}
NS_IMETHODIMP
nsDOMWindowUtils::HandleFullscreenRequests(bool* aRetVal)
{
PROFILER_ADD_MARKER("Enter fullscreen");
nsCOMPtr<nsIDocument> 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(GetPresShell(), screenRect.Size(), &oldSize);
OldWindowSize::Set(mWindow, oldSize);
*aRetVal = nsIDocument::HandlePendingFullscreenRequests(doc);
return NS_OK;
}
nsresult
nsDOMWindowUtils::ExitFullscreen()
{
PROFILER_ADD_MARKER("Exit fullscreen");
nsCOMPtr<nsIDocument> 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(GetPresShell(), oldSize);
nsIDocument::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;
}
nsIPresShell* 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, rootFrame);
nsIFrame* targetFrame = nsLayoutUtils::GetFrameForPoint(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, targetFrame);
nsresult rv =
static_cast<nsFrame*>(targetFrame)->
SelectByTypeAtPoint(GetPresContext(), relPoint, amount, amount,
nsFrame::SELECT_ACCUMULATE);
*_retval = !NS_FAILED(rv);
return NS_OK;
}
static nsIDocument::additionalSheetType
convertSheetType(uint32_t aSheetType)
{
switch(aSheetType) {
case nsDOMWindowUtils::AGENT_SHEET:
return nsIDocument::eAgentSheet;
case nsDOMWindowUtils::USER_SHEET:
return nsIDocument::eUserSheet;
case nsDOMWindowUtils::AUTHOR_SHEET:
return nsIDocument::eAuthorSheet;
default:
NS_ASSERTION(false, "wrong type");
// we must return something although this should never happen
return nsIDocument::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<nsIDocument> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
nsIDocument::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<nsIDocument> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
StyleSheet* sheet = nullptr;
auto preloadedSheet = static_cast<PreloadedStyleSheet*>(aSheet);
nsresult rv = preloadedSheet->GetSheet(doc->GetStyleBackendType(), &sheet);
NS_ENSURE_SUCCESS(rv, rv);
NS_ENSURE_TRUE(sheet, NS_ERROR_FAILURE);
if (sheet->GetAssociatedDocument()) {
return NS_ERROR_INVALID_ARG;
}
nsIDocument::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<nsIDocument> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
nsIDocument::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 = EventStateManager::IsHandlingUserInput();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetMillisSinceLastUserInput(double* aMillisSinceLastUserInput)
{
TimeStamp lastInput = EventStateManager::LatestUserInputStart();
if (lastInput.IsNull()) {
*aMillisSinceLastUserInput = 0;
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)
{
// 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) {
if (TabChild *tabChild = TabChild::GetFrom(docShell)) {
if (!tabChild->SendIsParentWindowMainWidgetVisible(aIsVisible))
return NS_ERROR_FAILURE;
return NS_OK;
}
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(nsIDOMNode* aNode, bool* aRetVal)
{
*aRetVal = false;
nsCOMPtr<nsINode> n = do_QueryInterface(aNode);
nsINode* node = n;
while (node) {
if (node->IsNodeOfType(nsINode::eHTML_FORM_CONTROL)) {
nsCOMPtr<nsIFormControl> fc = do_QueryInterface(node);
if (fc && fc->IsDisabledForEvents(eVoidEvent)) {
*aRetVal = true;
break;
}
}
node = node->GetParentNode();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetPaintFlashing(bool aPaintFlashing)
{
nsPresContext* presContext = GetPresContext();
if (presContext) {
presContext->SetPaintFlashing(aPaintFlashing);
// Clear paint flashing colors
nsIPresShell* presShell = GetPresShell();
if (!aPaintFlashing && presShell) {
nsIFrame* rootFrame = presShell->GetRootFrame();
if (rootFrame) {
rootFrame->InvalidateFrameSubtree();
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPaintFlashing(bool* aRetVal)
{
*aRetVal = false;
nsPresContext* presContext = GetPresContext();
if (presContext) {
*aRetVal = presContext->GetPaintFlashing();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DispatchEventToChromeOnly(nsIDOMEventTarget* aTarget,
nsIDOMEvent* aEvent,
bool* aRetVal)
{
*aRetVal = false;
NS_ENSURE_STATE(aTarget && aEvent);
aEvent->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
aTarget->DispatchEvent(aEvent, aRetVal);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RequestCompositorProperty(const nsAString& property,
float* aResult)
{
if (nsIWidget* widget = GetWidget()) {
mozilla::layers::LayerManager* manager = widget->GetLayerManager();
if (manager) {
*aResult = manager->RequestProperty(property);
return NS_OK;
}
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetOMTAStyle(nsIDOMElement* aElement,
const nsAString& aProperty,
const nsAString& aPseudoElement,
nsAString& aResult)
{
nsCOMPtr<Element> element = do_QueryInterface(aElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
RefPtr<nsROCSSPrimitiveValue> cssValue = nullptr;
nsIFrame* frame = element->GetPrimaryFrame();
if (!aPseudoElement.IsEmpty()) {
if (aPseudoElement.EqualsLiteral("::before")) {
frame = nsLayoutUtils::GetBeforeFrame(element);
} else if (aPseudoElement.EqualsLiteral("::after")) {
frame = nsLayoutUtils::GetAfterFrame(element);
} else {
return NS_ERROR_INVALID_ARG;
}
}
if (frame && nsLayoutUtils::AreAsyncAnimationsEnabled()) {
RefPtr<LayerManager> widgetLayerManager;
if (nsIWidget* widget = GetWidget()) {
widgetLayerManager = widget->GetLayerManager();
}
if (aProperty.EqualsLiteral("opacity")) {
float value = 0;
bool hadAnimatedOpacity = false;
Layer* layer =
FrameLayerBuilder::GetDedicatedLayer(frame, DisplayItemType::TYPE_OPACITY);
if (layer) {
ShadowLayerForwarder* forwarder = layer->Manager()->AsShadowForwarder();
if (forwarder && forwarder->HasShadowManager()) {
forwarder->GetShadowManager()->
SendGetAnimationOpacity(layer->GetCompositorAnimationsId(),
&value,
&hadAnimatedOpacity);
}
} else if (WebRenderLayerManager* wrlm = widgetLayerManager->AsWebRenderLayerManager()) {
RefPtr<WebRenderAnimationData> animationData =
GetWebRenderUserData<WebRenderAnimationData>(frame, (uint32_t)DisplayItemType::TYPE_OPACITY);
if (animationData) {
wrlm->WrBridge()->SendGetAnimationOpacity(
animationData->GetAnimationInfo().GetCompositorAnimationsId(),
&value,
&hadAnimatedOpacity);
}
}
if (hadAnimatedOpacity) {
cssValue = new nsROCSSPrimitiveValue;
cssValue->SetNumber(value);
}
} else if (aProperty.EqualsLiteral("transform")) {
MaybeTransform transform;
Layer* layer =
FrameLayerBuilder::GetDedicatedLayer(frame, DisplayItemType::TYPE_TRANSFORM);
if (layer) {
ShadowLayerForwarder* forwarder = layer->Manager()->AsShadowForwarder();
if (forwarder && forwarder->HasShadowManager()) {
forwarder->GetShadowManager()->
SendGetAnimationTransform(layer->GetCompositorAnimationsId(), &transform);
}
} else if (WebRenderLayerManager* wrlm = widgetLayerManager->AsWebRenderLayerManager()) {
RefPtr<WebRenderAnimationData> animationData =
GetWebRenderUserData<WebRenderAnimationData>(frame, (uint32_t)DisplayItemType::TYPE_TRANSFORM);
if (animationData) {
wrlm->WrBridge()->SendGetAnimationTransform(
animationData->GetAnimationInfo().GetCompositorAnimationsId(),
&transform);
}
}
if (transform.type() == MaybeTransform::TMatrix4x4) {
Matrix4x4 matrix = transform.get_Matrix4x4();
cssValue = nsComputedDOMStyle::MatrixToCSSValue(matrix);
}
}
}
if (cssValue) {
nsString text;
ErrorResult rv;
cssValue->GetCssText(text, rv);
aResult.Assign(text);
return rv.StealNSResult();
}
aResult.Truncate();
return NS_OK;
}
namespace {
class HandlingUserInputHelper final : public nsIJSRAIIHelper
{
public:
explicit HandlingUserInputHelper(bool aHandlingUserInput);
NS_DECL_ISUPPORTS
NS_DECL_NSIJSRAIIHELPER
private:
~HandlingUserInputHelper();
bool mHandlingUserInput;
bool mDestructCalled;
};
NS_IMPL_ISUPPORTS(HandlingUserInputHelper, nsIJSRAIIHelper)
HandlingUserInputHelper::HandlingUserInputHelper(bool aHandlingUserInput)
: mHandlingUserInput(aHandlingUserInput),
mDestructCalled(false)
{
if (aHandlingUserInput) {
EventStateManager::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) {
EventStateManager::StopHandlingUserInput(eVoidEvent);
}
return NS_OK;
}
} // unnamed namespace
NS_IMETHODIMP
nsDOMWindowUtils::SetHandlingUserInput(bool aHandlingUserInput,
nsIJSRAIIHelper** aHelper)
{
RefPtr<HandlingUserInputHelper> helper(
new HandlingUserInputHelper(aHandlingUserInput));
helper.forget(aHelper);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetContentAPZTestData(JSContext* aContext,
JS::MutableHandleValue aOutContentTestData)
{
if (nsIWidget* widget = GetWidget()) {
RefPtr<LayerManager> lm = widget->GetLayerManager();
if (!lm) {
return NS_OK;
}
if (ClientLayerManager* clm = lm->AsClientLayerManager()) {
if (!clm->GetAPZTestData().ToJS(aOutContentTestData, aContext)) {
return NS_ERROR_FAILURE;
}
} else if (WebRenderLayerManager* wrlm = lm->AsWebRenderLayerManager()) {
if (!wrlm->GetAPZTestData().ToJS(aOutContentTestData, aContext)) {
return NS_ERROR_FAILURE;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCompositorAPZTestData(JSContext* aContext,
JS::MutableHandleValue aOutCompositorTestData)
{
if (nsIWidget* widget = GetWidget()) {
RefPtr<LayerManager> lm = widget->GetLayerManager();
if (!lm) {
return NS_OK;
}
APZTestData compositorSideData;
if (ClientLayerManager* clm = lm->AsClientLayerManager()) {
clm->GetCompositorSideAPZTestData(&compositorSideData);
} else if (WebRenderLayerManager* wrlm = lm->AsWebRenderLayerManager()) {
if (!wrlm->WrBridge()) {
return NS_ERROR_UNEXPECTED;
}
if (!wrlm->WrBridge()->SendGetAPZTestData(&compositorSideData)) {
return NS_ERROR_FAILURE;
}
}
if (!compositorSideData.ToJS(aOutCompositorTestData, aContext)) {
return NS_ERROR_FAILURE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::PostRestyleSelfEvent(nsIDOMElement* aElement)
{
nsCOMPtr<Element> element = do_QueryInterface(aElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
nsLayoutUtils::PostRestyleEvent(element, eRestyle_Self, nsChangeHint(0));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetMediaSuspend(uint32_t* aSuspend)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aSuspend = window->GetMediaSuspend();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetMediaSuspend(uint32_t aSuspend)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetMediaSuspend(aSuspend);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetAudioMuted(bool* aMuted)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aMuted = window->GetAudioMuted();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAudioMuted(bool aMuted)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetAudioMuted(aMuted);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetAudioVolume(float* aVolume)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aVolume = window->GetAudioVolume();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAudioVolume(float aVolume)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
return window->SetAudioVolume(aVolume);
}
NS_IMETHODIMP
nsDOMWindowUtils::SetChromeMargin(int32_t aTop,
int32_t aRight,
int32_t aBottom,
int32_t aLeft)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
if (window) {
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(window->GetDocShell());
if (baseWindow) {
nsCOMPtr<nsIWidget> widget;
baseWindow->GetMainWidget(getter_AddRefs(widget));
if (widget) {
LayoutDeviceIntMargin margins(aTop, aRight, aBottom, aLeft);
return widget->SetNonClientMargins(margins);
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFrameUniformityTestData(JSContext* aContext,
JS::MutableHandleValue aOutFrameUniformity)
{
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_NOT_AVAILABLE;
}
RefPtr<LayerManager> manager = widget->GetLayerManager();
if (!manager) {
return NS_ERROR_NOT_AVAILABLE;
}
FrameUniformityData outData;
manager->GetFrameUniformity(&outData);
outData.ToJS(aOutFrameUniformity, aContext);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::XpconnectArgument(nsIDOMWindowUtils* aThis)
{
// 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::SetServiceWorkersTestingEnabled(bool aEnabled)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetServiceWorkersTestingEnabled(aEnabled);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetServiceWorkersTestingEnabled(bool *aEnabled)
{
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aEnabled = window->GetServiceWorkersTestingEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnterChaosMode()
{
ChaosMode::enterChaosMode();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::LeaveChaosMode()
{
ChaosMode::leaveChaosMode();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::TriggerDeviceReset()
{
ContentChild* cc = ContentChild::GetSingleton();
if (cc) {
cc->SendDeviceReset();
return NS_OK;
}
GPUProcessManager* pm = GPUProcessManager::Get();
if (pm) {
pm->SimulateDeviceReset();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ForceUseCounterFlush(nsIDOMNode *aNode)
{
NS_ENSURE_ARG_POINTER(aNode);
if (nsCOMPtr<nsIDocument> doc = do_QueryInterface(aNode)) {
mozilla::css::ImageLoader* loader = doc->StyleImageLoader();
loader->FlushUseCounters();
// Flush the document and any external documents that it depends on.
const auto reportKind
= nsDocument::UseCounterReportKind::eIncludeExternalResources;
static_cast<nsDocument*>(doc.get())->ReportUseCounters(reportKind);
return NS_OK;
}
if (nsCOMPtr<nsIContent> content = do_QueryInterface(aNode)) {
if (HTMLImageElement* img = HTMLImageElement::FromNode(content)) {
img->FlushUseCounters();
return NS_OK;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::HasRuleProcessorUsedByMultipleStyleSets(uint32_t aSheetType,
bool* aRetVal)
{
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
return presShell->HasRuleProcessorUsedByMultipleStyleSets(aSheetType,
aRetVal);
}
NS_IMETHODIMP
nsDOMWindowUtils::RespectDisplayPortSuppression(bool aEnabled)
{
nsCOMPtr<nsIPresShell> shell(GetPresShell());
APZCCallbackHelper::RespectDisplayPortSuppression(aEnabled, shell);
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;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsTimeoutTracking(uint32_t aTimeoutId, bool* aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = false;
nsCOMPtr<nsPIDOMWindowOuter> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsCOMPtr<nsPIDOMWindowInner> innerWindow = window->GetCurrentInnerWindow();
NS_ENSURE_STATE(innerWindow);
*aResult = innerWindow->TimeoutManager().IsTimeoutTracking(aTimeoutId);
return NS_OK;
}
struct StateTableEntry
{
const char* mStateString;
EventStates mState;
};
static constexpr StateTableEntry kManuallyManagedStates[] = {
{ "-moz-autofill", NS_EVENT_STATE_AUTOFILL },
{ "-moz-autofill-preview", NS_EVENT_STATE_AUTOFILL_PREVIEW },
{ nullptr, EventStates() },
};
static_assert(!kManuallyManagedStates[ArrayLength(kManuallyManagedStates) - 1]
.mStateString,
"last kManuallyManagedStates entry must be a sentinel with "
"mStateString == nullptr");
static EventStates
GetEventStateForString(const nsAString& aStateString)
{
for (const StateTableEntry* entry = kManuallyManagedStates;
entry->mStateString; ++entry) {
if (aStateString.EqualsASCII(entry->mStateString)) {
return entry->mState;
}
}
return EventStates();
}
NS_IMETHODIMP
nsDOMWindowUtils::AddManuallyManagedState(nsIDOMElement* aElement,
const nsAString& aStateString)
{
nsCOMPtr<Element> element = do_QueryInterface(aElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
EventStates state = GetEventStateForString(aStateString);
if (state.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
element->AddManuallyManagedStates(state);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RemoveManuallyManagedState(nsIDOMElement* aElement,
const nsAString& aStateString)
{
nsCOMPtr<Element> element = do_QueryInterface(aElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
EventStates state = GetEventStateForString(aStateString);
if (state.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
element->RemoveManuallyManagedStates(state);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetStorageUsage(nsIDOMStorage* aStorage, int64_t* aRetval)
{
RefPtr<Storage> storage = static_cast<Storage*>(aStorage);
if (!storage) {
return NS_ERROR_UNEXPECTED;
}
*aRetval = storage->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()
{
nsIDocument* doc = GetDocument();
nsIPresShell* presShell = doc ? doc->GetShell() : nullptr;
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsIFrame* frame = presShell->GetRootFrame();
if (!frame) {
return NS_ERROR_FAILURE;
}
presShell->FrameNeedsReflow(frame, nsIPresShell::eStyleChange,
NS_FRAME_IS_DIRTY);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsStyledByServo(bool* aStyledByServo)
{
nsIDocument* doc = GetDocument();
*aStyledByServo = doc && doc->IsStyledByServo();
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, nsIDOMNode** 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;
}
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку