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1ffb03e8dc
gecko/dom/base/nsDOMWindowUtils.cpp
Kyle Huey 1ffb03e8dc Bug 1179909: Refactor stable state handling. r=smaug 
This is motivated by three separate but related problems:

1. Our concept of recursion depth is broken for things that run from AfterProcessNextEvent observers (e.g. Promises). We decrement the recursionDepth counter before firing observers, so a Promise callback running at the lowest event loop depth has a recursion depth of 0 (whereas a regular nsIRunnable would be 1). This is a problem because it's impossible to distinguish a Promise running after a sync XHR's onreadystatechange handler from a top-level event (since the former runs with depth 2 - 1 = 1, and the latter runs with just 1).

2. The nsIThreadObserver mechanism that is used by a lot of code to run "after" the current event is a poor fit for anything that runs script. First, the order the observers fire in is the order they were added, not anything fixed by spec. Additionally, running script can cause the event loop to spin, which is a big source of pain here (bholley has some nasty bug caused by this).

3. We run Promises from different points in the code for workers and main thread. The latter runs from XPConnect's nsIThreadObserver callbacks, while the former runs from a hardcoded call to run Promises in the worker event loop. What workers do is particularly problematic because it means we can't get the right recursion depth no matter what we do to nsThread.

The solve this, this patch does the following:

1. Consolidate some handling of microtasks and all handling of stable state from appshell and WorkerPrivate into CycleCollectedJSRuntime.
2. Make the recursionDepth counter only available to CycleCollectedJSRuntime (and its consumers) and remove it from the nsIThreadInternal and nsIThreadObserver APIs.
3. Adjust the recursionDepth counter so that microtasks run with the recursionDepth of the task they are associated with.
4. Introduce the concept of metastable state to replace appshell's RunBeforeNextEvent. Metastable state is reached after every microtask or task is completed. This provides the semantics that bent and I want for IndexedDB, where transactions autocommit at the end of a microtask and do not "spill" from one microtask into a subsequent microtask. This differs from appshell's RunBeforeNextEvent in two ways:
a) It fires between microtasks, which was the motivation for starting this.
b) It no longer ensures that we're at the same event loop depth in the native event queue. bent decided we don't care about this.
5. Reorder stable state to happen after microtasks such as Promises, per HTML. Right now we call the regular thread observers, including appshell, before the main thread observer (XPConnect), so stable state tasks happen before microtasks.
2015-08-11 06:10:46 -07:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsDOMWindowUtils.h"
#include "mozilla/layers/CompositorChild.h"
#include "mozilla/layers/LayerTransactionChild.h"
#include "nsPresContext.h"
#include "nsDOMClassInfoID.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/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"
#ifdef MOZ_FMP4
#include "MP4Decoder.h"
#endif
#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 "nsIDOMHTMLCanvasElement.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/Element.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/IDBFactoryBinding.h"
#include "mozilla/dom/IDBMutableFileBinding.h"
#include "mozilla/dom/indexedDB/IDBMutableFile.h"
#include "mozilla/dom/indexedDB/IndexedDatabaseManager.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/quota/PersistenceType.h"
#include "mozilla/dom/quota/QuotaManager.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 "nsIDOMStyleSheet.h"
#include "nsIStyleSheet.h"
#include "nsIStyleSheetService.h"
#include "nsContentPermissionHelper.h"
#include "nsNetUtil.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;
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
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(nsGlobalWindow *aWindow)
{
nsCOMPtr<nsISupports> supports = do_QueryObject(aWindow);
mWindow = do_GetWeakReference(supports);
NS_ASSERTION(aWindow->IsOuterWindow(), "How did that happen?");
}
nsDOMWindowUtils::~nsDOMWindowUtils()
{
}
nsIPresShell*
nsDOMWindowUtils::GetPresShell()
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
if (!window)
return nullptr;
nsIDocShell *docShell = window->GetDocShell();
if (!docShell)
return nullptr;
return docShell->GetPresShell();
}
nsPresContext*
nsDOMWindowUtils::GetPresContext()
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
if (!window)
return nullptr;
nsIDocShell *docShell = window->GetDocShell();
if (!docShell)
return nullptr;
nsRefPtr<nsPresContext> presContext;
docShell->GetPresContext(getter_AddRefs(presContext));
return presContext;
}
nsIDocument*
nsDOMWindowUtils::GetDocument()
{
nsCOMPtr<nsPIDOMWindow> 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;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetImageAnimationMode(uint16_t *aMode)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsPresContext* presContext = GetPresContext();
if (presContext) {
presContext->SetImageAnimationMode(aMode);
return NS_OK;
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDocCharsetIsForced(bool *aIsForced)
{
*aIsForced = false;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIDocument* doc = GetDocument();
*aIsForced = doc &&
doc->GetDocumentCharacterSetSource() >= kCharsetFromParentForced;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDocumentMetadata(const nsAString& aName,
nsAString& aValue)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIDocument* doc = GetDocument();
if (doc) {
nsCOMPtr<nsIAtom> name = do_GetAtom(aName);
doc->GetHeaderData(name, aValue);
return NS_OK;
}
aValue.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::Redraw(uint32_t aCount, uint32_t *aDurationOut)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
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()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (nsIPresShell* presShell = GetPresShell()) {
presShell->FlushPendingNotifications(Flush_Display);
nsRefPtr<nsViewManager> vm = presShell->GetViewManager();
nsView* view = vm->GetRootView();
if (view) {
presShell->Paint(view, view->GetBounds(),
nsIPresShell::PAINT_LAYERS | nsIPresShell::PAINT_SYNC_DECODE_IMAGES);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetCSSViewport(float aWidthPx, float aHeightPx)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (!(aWidthPx >= 0.0 && aHeightPx >= 0.0)) {
return NS_ERROR_ILLEGAL_VALUE;
}
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsLayoutUtils::SetCSSViewport(presShell, CSSSize(aWidthPx, aHeightPx));
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 = nsContentUtils::GetViewportInfo(doc, 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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->GetCurrentDoc() != 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);
}
}
nsIFrame* rootFrame = presShell->FrameManager()->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) {
bool isRetainingManager;
LayerManager* manager = widget->GetLayerManager(&isRetainingManager);
if (isRetainingManager) {
manager->BeginTransaction();
nsLayoutUtils::PaintFrame(nullptr, rootFrame, nsRegion(), NS_RGB(255, 255, 255),
nsLayoutUtils::PAINT_WIDGET_LAYERS |
nsLayoutUtils::PAINT_EXISTING_TRANSACTION);
}
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDisplayPortMarginsForElement(float aLeftMargin,
float aTopMargin,
float aRightMargin,
float aBottomMargin,
nsIDOMElement* aElement,
uint32_t aPriority)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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->GetCurrentDoc() != 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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->GetCurrentDoc() != presShell->GetDocument()) {
return NS_ERROR_INVALID_ARG;
}
nsLayoutUtils::SetDisplayPortBase(content, nsRect(aX, aY, aWidth, aHeight));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetResolution(float aResolution)
{
if (!nsContentUtils::IsCallerChrome()) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsIScrollableFrame* sf = presShell->GetRootScrollFrameAsScrollable();
if (sf) {
sf->SetResolution(aResolution);
presShell->SetResolution(aResolution);
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetResolutionAndScaleTo(float aResolution)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsLayoutUtils::SetResolutionAndScaleTo(presShell, aResolution);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetResolution(float* aResolution)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
*aResolution = nsLayoutUtils::GetResolution(presShell);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsResolutionSet(bool* aIsResolutionSet) {
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
const nsIScrollableFrame* sf = presShell->GetRootScrollFrameAsScrollable();
*aIsResolutionSet = sf && sf->IsResolutionSet();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetIsFirstPaint(bool aIsFirstPaint)
{
if (!nsContentUtils::IsCallerChrome()) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsIPresShell* presShell = GetPresShell();
if (presShell) {
presShell->SetIsFirstPaint(aIsFirstPaint);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsFirstPaint(bool *aIsFirstPaint)
{
if (!nsContentUtils::IsCallerChrome()) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsIPresShell* presShell = GetPresShell();
if (presShell) {
*aIsFirstPaint = presShell->GetIsFirstPaint();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPresShellId(uint32_t *aPresShellId)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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 aIsSynthesized,
uint8_t aOptionalArgCount,
bool *aPreventDefault)
{
return SendMouseEventCommon(aType, aX, aY, aButton, aClickCount, aModifiers,
aIgnoreRootScrollFrame, aPressure,
aInputSourceArg, false, aPreventDefault,
aOptionalArgCount >= 4 ? aIsSynthesized : true);
}
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 aIsSynthesized,
uint8_t aOptionalArgCount)
{
PROFILER_LABEL("nsDOMWindowUtils", "SendMouseEventToWindow",
js::ProfileEntry::Category::EVENTS);
return SendMouseEventCommon(aType, aX, aY, aButton, aClickCount, aModifiers,
aIgnoreRootScrollFrame, aPressure,
aInputSourceArg, true, nullptr,
aOptionalArgCount >= 4 ? aIsSynthesized : true);
}
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,
bool aToWindow,
bool *aPreventDefault,
bool aIsSynthesized)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
return nsContentUtils::SendMouseEvent(presShell, aType, aX, aY, aButton,
aClickCount, aModifiers, aIgnoreRootScrollFrame, aPressure,
aInputSourceArg, aToWindow, aPreventDefault, aIsSynthesized);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendPointerEventCommon(const nsAString& aType,
float aX,
float aY,
int32_t aButton,
int32_t aClickCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame,
float aPressure,
unsigned short aInputSourceArg,
int32_t aPointerId,
int32_t aWidth,
int32_t aHeight,
int32_t aTiltX,
int32_t aTiltY,
bool aIsPrimary,
bool aIsSynthesized,
uint8_t aOptionalArgCount,
bool aToWindow,
bool* aPreventDefault)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) {
return NS_ERROR_FAILURE;
}
int32_t msg;
if (aType.EqualsLiteral("pointerdown")) {
msg = NS_POINTER_DOWN;
} else if (aType.EqualsLiteral("pointerup")) {
msg = NS_POINTER_UP;
} else if (aType.EqualsLiteral("pointermove")) {
msg = NS_POINTER_MOVE;
} else if (aType.EqualsLiteral("pointerover")) {
msg = NS_POINTER_OVER;
} else if (aType.EqualsLiteral("pointerout")) {
msg = NS_POINTER_OUT;
} else {
return NS_ERROR_FAILURE;
}
if (aInputSourceArg == nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN) {
aInputSourceArg = nsIDOMMouseEvent::MOZ_SOURCE_MOUSE;
}
WidgetPointerEvent event(true, msg, widget);
event.modifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.button = aButton;
event.buttons = nsContentUtils::GetButtonsFlagForButton(aButton);
event.widget = widget;
event.pressure = aPressure;
event.inputSource = aInputSourceArg;
event.pointerId = aPointerId;
event.width = aWidth;
event.height = aHeight;
event.tiltX = aTiltX;
event.tiltY = aTiltY;
event.isPrimary = (nsIDOMMouseEvent::MOZ_SOURCE_MOUSE == aInputSourceArg) ? true : aIsPrimary;
event.clickCount = aClickCount;
event.time = PR_IntervalNow();
event.mFlags.mIsSynthesizedForTests = aOptionalArgCount >= 10 ? aIsSynthesized : true;
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_FAILURE;
}
event.refPoint = nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext);
event.ignoreRootScrollFrame = aIgnoreRootScrollFrame;
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;
return presShell->HandleEvent(view->GetFrame(), &event, false, &status);
}
nsresult rv = widget->DispatchEvent(&event, status);
if (aPreventDefault) {
*aPreventDefault = (status == nsEventStatus_eConsumeNoDefault);
}
return rv;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendPointerEvent(const nsAString& aType,
float aX,
float aY,
int32_t aButton,
int32_t aClickCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame,
float aPressure,
unsigned short aInputSourceArg,
int32_t aPointerId,
int32_t aWidth,
int32_t aHeight,
int32_t aTiltX,
int32_t aTiltY,
bool aIsPrimary,
bool aIsSynthesized,
uint8_t aOptionalArgCount,
bool* aPreventDefault)
{
PROFILER_LABEL("nsDOMWindowUtils", "SendPointerEvent",
js::ProfileEntry::Category::EVENTS);
return SendPointerEventCommon(aType, aX, aY, aButton, aClickCount,
aModifiers, aIgnoreRootScrollFrame,
aPressure, aInputSourceArg, aPointerId,
aWidth, aHeight, aTiltX, aTiltY,
aIsPrimary, aIsSynthesized,
aOptionalArgCount, false, aPreventDefault);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendPointerEventToWindow(const nsAString& aType,
float aX,
float aY,
int32_t aButton,
int32_t aClickCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame,
float aPressure,
unsigned short aInputSourceArg,
int32_t aPointerId,
int32_t aWidth,
int32_t aHeight,
int32_t aTiltX,
int32_t aTiltY,
bool aIsPrimary,
bool aIsSynthesized,
uint8_t aOptionalArgCount)
{
PROFILER_LABEL("nsDOMWindowUtils", "SendPointerEventToWindow",
js::ProfileEntry::Category::EVENTS);
return SendPointerEventCommon(aType, aX, aY, aButton, aClickCount,
aModifiers, aIgnoreRootScrollFrame,
aPressure, aInputSourceArg, aPointerId,
aWidth, aHeight, aTiltX, aTiltY,
aIsPrimary, aIsSynthesized,
aOptionalArgCount, true, nullptr);
}
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// 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, NS_WHEEL_WHEEL, widget);
wheelEvent.modifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
wheelEvent.deltaX = aDeltaX;
wheelEvent.deltaY = aDeltaY;
wheelEvent.deltaZ = aDeltaZ;
wheelEvent.deltaMode = aDeltaMode;
wheelEvent.isMomentum =
(aOptions & WHEEL_EVENT_CAUSED_BY_MOMENTUM) != 0;
wheelEvent.mIsNoLineOrPageDelta =
(aOptions & WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE) != 0;
wheelEvent.customizedByUserPrefs =
(aOptions & WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS) != 0;
wheelEvent.lineOrPageDeltaX = aLineOrPageDeltaX;
wheelEvent.lineOrPageDeltaY = aLineOrPageDeltaY;
wheelEvent.widget = widget;
wheelEvent.time = PR_Now() / 1000;
nsPresContext* presContext = GetPresContext();
NS_ENSURE_TRUE(presContext, NS_ERROR_FAILURE);
wheelEvent.refPoint = nsContentUtils::ToWidgetPoint(CSSPoint(aX, aY), offset, presContext);
widget->DispatchAPZAwareEvent(&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.overflowDeltaX != 0) {
failedX = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE) &&
wheelEvent.overflowDeltaX <= 0) {
failedX = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE) &&
wheelEvent.overflowDeltaX >= 0) {
failedX = true;
}
bool failedY = false;
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO) &&
wheelEvent.overflowDeltaY != 0) {
failedY = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_POSITIVE) &&
wheelEvent.overflowDeltaY <= 0) {
failedY = true;
}
if ((aOptions & WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_NEGATIVE) &&
wheelEvent.overflowDeltaY >= 0) {
failedY = true;
}
#ifdef DEBUG
if (failedX) {
nsPrintfCString debugMsg("SendWheelEvent(): unexpected overflowDeltaX: %f",
wheelEvent.overflowDeltaX);
NS_WARNING(debugMsg.get());
}
if (failedY) {
nsPrintfCString debugMsg("SendWheelEvent(): unexpected overflowDeltaY: %f",
wheelEvent.overflowDeltaY);
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget) {
return NS_ERROR_NULL_POINTER;
}
int32_t msg;
if (aType.EqualsLiteral("touchstart")) {
msg = NS_TOUCH_START;
} else if (aType.EqualsLiteral("touchmove")) {
msg = NS_TOUCH_MOVE;
} else if (aType.EqualsLiteral("touchend")) {
msg = NS_TOUCH_END;
} else if (aType.EqualsLiteral("touchcancel")) {
msg = NS_TOUCH_CANCEL;
} else {
return NS_ERROR_UNEXPECTED;
}
WidgetTouchEvent event(true, msg, widget);
event.modifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.widget = widget;
event.time = PR_Now();
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_FAILURE;
}
event.touches.SetCapacity(aCount);
for (uint32_t i = 0; i < aCount; ++i) {
LayoutDeviceIntPoint pt =
nsContentUtils::ToWidgetPoint(CSSPoint(aXs[i], aYs[i]), offset, presContext);
nsRefPtr<Touch> t = new Touch(aIdentifiers[i],
pt,
nsIntPoint(aRxs[i], aRys[i]),
aRotationAngles[i],
aForces[i]);
event.touches.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::SendKeyEvent(const nsAString& aType,
int32_t aKeyCode,
int32_t aCharCode,
int32_t aModifiers,
uint32_t aAdditionalFlags,
bool* aDefaultActionTaken)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
return nsContentUtils::SendKeyEvent(widget, aType, aKeyCode, aCharCode,
aModifiers, aAdditionalFlags,
aDefaultActionTaken);
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
int32_t aModifiers,
const nsAString& aCharacters,
const nsAString& aUnmodifiedCharacters,
nsIObserver* aObserver)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
NS_DispatchToMainThread(NS_NewRunnableMethodWithArgs
<int32_t, int32_t, uint32_t, nsString, nsString, nsIObserver*>
(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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidgetForElement(aElement);
if (!widget)
return NS_ERROR_FAILURE;
NS_DispatchToMainThread(NS_NewRunnableMethodWithArgs
<LayoutDeviceIntPoint, int32_t, int32_t, nsIObserver*>
(widget, &nsIWidget::SynthesizeNativeMouseEvent,
LayoutDeviceIntPoint(aScreenX, aScreenY), aNativeMessage, aModifierFlags,
aObserver));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeMouseScrollEvent(int32_t aScreenX,
int32_t aScreenY,
uint32_t aNativeMessage,
double aDeltaX,
double aDeltaY,
double aDeltaZ,
uint32_t aModifierFlags,
uint32_t aAdditionalFlags,
nsIDOMElement* aElement,
nsIObserver* aObserver)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidgetForElement(aElement);
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NS_NewRunnableMethodWithArgs
<mozilla::LayoutDeviceIntPoint, uint32_t, double, double, double, uint32_t, uint32_t, nsIObserver*>
(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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
if (aPressure < 0 || aPressure > 1 || aOrientation > 359) {
return NS_ERROR_INVALID_ARG;
}
NS_DispatchToMainThread(NS_NewRunnableMethodWithArgs
<uint32_t, nsIWidget::TouchPointerState, nsIntPoint, double, uint32_t, nsIObserver*>
(widget, &nsIWidget::SynthesizeNativeTouchPoint, aPointerId,
(nsIWidget::TouchPointerState)aTouchState, nsIntPoint(aScreenX, aScreenY),
aPressure, aOrientation, aObserver));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SendNativeTouchTap(int32_t aScreenX,
int32_t aScreenY,
bool aLongTap,
nsIObserver* aObserver)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NS_NewRunnableMethodWithArgs
<nsIntPoint, bool, nsIObserver*>
(widget, &nsIWidget::SynthesizeNativeTouchTap,
nsIntPoint(aScreenX, aScreenY), aLongTap, aObserver));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ClearNativeTouchSequence(nsIObserver* aObserver)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
NS_DispatchToMainThread(NS_NewRunnableMethodWithArgs<nsIObserver*>
(widget, &nsIWidget::ClearNativeTouchSequence, aObserver));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ActivateNativeMenuItemAt(const nsAString& indexString)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
return widget->ForceUpdateNativeMenuAt(indexString);
}
nsIWidget*
nsDOMWindowUtils::GetWidget(nsPoint* aOffset)
{
nsCOMPtr<nsPIDOMWindow> 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->GetCurrentDoc();
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::Focus(nsIDOMElement* aElement)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIDOMWindow> window = do_QueryReferent(mWindow);
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm) {
if (aElement)
fm->SetFocus(aElement, 0);
else
fm->ClearFocus(window);
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GarbageCollect(nsICycleCollectorListener *aListener,
int32_t aExtraForgetSkippableCalls)
{
PROFILER_LABEL("nsDOMWindowUtils", "GarbageCollect",
js::ProfileEntry::Category::GC);
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsJSContext::GarbageCollectNow(JS::gcreason::DOM_UTILS);
nsJSContext::CycleCollectNow(aListener, aExtraForgetSkippableCalls);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CycleCollect(nsICycleCollectorListener *aListener,
int32_t aExtraForgetSkippableCalls)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsJSContext::CycleCollectNow(aListener, aExtraForgetSkippableCalls);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RunNextCollectorTimer()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsJSContext::RunNextCollectorTimer();
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsPoint offset;
nsCOMPtr<nsIWidget> widget = GetWidget(&offset);
if (!widget)
return NS_ERROR_FAILURE;
int32_t msg;
if (aType.EqualsLiteral("MozSwipeGestureStart"))
msg = NS_SIMPLE_GESTURE_SWIPE_START;
else if (aType.EqualsLiteral("MozSwipeGestureUpdate"))
msg = NS_SIMPLE_GESTURE_SWIPE_UPDATE;
else if (aType.EqualsLiteral("MozSwipeGestureEnd"))
msg = NS_SIMPLE_GESTURE_SWIPE_END;
else if (aType.EqualsLiteral("MozSwipeGesture"))
msg = NS_SIMPLE_GESTURE_SWIPE;
else if (aType.EqualsLiteral("MozMagnifyGestureStart"))
msg = NS_SIMPLE_GESTURE_MAGNIFY_START;
else if (aType.EqualsLiteral("MozMagnifyGestureUpdate"))
msg = NS_SIMPLE_GESTURE_MAGNIFY_UPDATE;
else if (aType.EqualsLiteral("MozMagnifyGesture"))
msg = NS_SIMPLE_GESTURE_MAGNIFY;
else if (aType.EqualsLiteral("MozRotateGestureStart"))
msg = NS_SIMPLE_GESTURE_ROTATE_START;
else if (aType.EqualsLiteral("MozRotateGestureUpdate"))
msg = NS_SIMPLE_GESTURE_ROTATE_UPDATE;
else if (aType.EqualsLiteral("MozRotateGesture"))
msg = NS_SIMPLE_GESTURE_ROTATE;
else if (aType.EqualsLiteral("MozTapGesture"))
msg = NS_SIMPLE_GESTURE_TAP;
else if (aType.EqualsLiteral("MozPressTapGesture"))
msg = NS_SIMPLE_GESTURE_PRESSTAP;
else if (aType.EqualsLiteral("MozEdgeUIStarted"))
msg = NS_SIMPLE_GESTURE_EDGE_STARTED;
else if (aType.EqualsLiteral("MozEdgeUICanceled"))
msg = NS_SIMPLE_GESTURE_EDGE_CANCELED;
else if (aType.EqualsLiteral("MozEdgeUICompleted"))
msg = NS_SIMPLE_GESTURE_EDGE_COMPLETED;
else
return NS_ERROR_FAILURE;
WidgetSimpleGestureEvent event(true, msg, widget);
event.modifiers = nsContentUtils::GetWidgetModifiers(aModifiers);
event.direction = aDirection;
event.delta = aDelta;
event.clickCount = aClickCount;
event.time = PR_IntervalNow();
nsPresContext* presContext = GetPresContext();
if (!presContext)
return NS_ERROR_FAILURE;
event.refPoint = 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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);
nsRefPtr<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(nsIDOMHTMLCanvasElement* aCanvas)
{
nsCOMPtr<nsINode> node = do_QueryInterface(aCanvas);
if (!node) {
return nullptr;
}
MOZ_ASSERT(node->IsElement(),
"An nsINode that implements nsIDOMHTMLCanvasElement should "
"be an element.");
nsLayoutUtils::SurfaceFromElementResult result =
nsLayoutUtils::SurfaceFromElement(node->AsElement());
return result.mSourceSurface->GetDataSurface();
}
NS_IMETHODIMP
nsDOMWindowUtils::CompareCanvases(nsIDOMHTMLCanvasElement *aCanvas1,
nsIDOMHTMLCanvasElement *aCanvas2,
uint32_t* aMaxDifference,
uint32_t* retVal)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (aCanvas1 == nullptr ||
aCanvas2 == nullptr ||
retVal == nullptr)
return NS_ERROR_FAILURE;
RefPtr<DataSourceSurface> img1 = CanvasToDataSourceSurface(aCanvas1);
RefPtr<DataSourceSurface> img2 = CanvasToDataSourceSurface(aCanvas2);
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
NS_ENSURE_ARG_POINTER(aResult);
*aResult = false;
nsPresContext* presContext = GetPresContext();
if (!presContext)
return NS_OK;
*aResult = presContext->IsDOMPaintEventPending();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ClearMozAfterPaintEvents()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsPresContext* presContext = GetPresContext();
if (!presContext)
return NS_OK;
presContext->ClearMozAfterPaintEvents();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DisableNonTestMouseEvents(bool aDisable)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
if (aSuppress) {
doc->SuppressEventHandling(nsIDocument::eEvents);
} else {
doc->UnsuppressEventHandlingAndFireEvents(nsIDocument::eEvents, true);
}
return NS_OK;
}
static nsresult
getScrollXYAppUnits(nsWeakPtr aWindow, bool aFlushLayout, nsPoint& aScrollPos) {
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(aWindow);
nsCOMPtr<nsIDocument> doc = window ? window->GetExtantDoc() : nullptr;
NS_ENSURE_STATE(doc);
if (aFlushLayout) {
doc->FlushPendingNotifications(Flush_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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
*aWidth = 0;
*aHeight = 0;
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
if (aFlushLayout) {
doc->FlushPendingNotifications(Flush_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,
nsIDOMClientRect** aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<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::GetRootBounds(nsIDOMClientRect** aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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.width += sf->GetScrollPortRect().width;
bounds.height += sf->GetScrollPortRect().height;
} else if (presShell->GetRootFrame()) {
bounds = presShell->GetRootFrame()->GetRect();
}
}
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
nsRefPtr<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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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(char** aType)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
NS_ENSURE_ARG_POINTER(aType);
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
InputContext context = widget->GetInputContext();
*aType = ToNewCString(context.mHTMLInputType);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::FindElementWithViewId(nsViewID aID,
nsIDOMElement** aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsRefPtr<nsIContent> content = nsLayoutUtils::FindContentFor(aID);
return content ? CallQueryInterface(content, aResult) : NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetViewId(nsIDOMElement* aElement, nsViewID* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
return window->GetDevicePixelRatio(aScreenPixels);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFullZoom(float* aFullZoom)
{
*aFullZoom = 1.0f;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
NS_ENSURE_STATE(aEvent);
aEvent->SetTrusted(aTrusted);
WidgetEvent* internalEvent = aEvent->GetInternalNSEvent();
NS_ENSURE_STATE(internalEvent);
nsCOMPtr<nsIContent> content = do_QueryInterface(aTarget);
NS_ENSURE_STATE(content);
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
if (content->OwnerDoc()->GetWindow() != window) {
return NS_ERROR_DOM_HIERARCHY_REQUEST_ERR;
}
nsCOMPtr<nsIDocument> targetDoc = content->GetCurrentDoc();
NS_ENSURE_STATE(targetDoc);
nsRefPtr<nsIPresShell> targetShell = targetDoc->GetShell();
NS_ENSURE_STATE(targetShell);
targetDoc->FlushPendingNotifications(Flush_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.refPoint = *aPt;
}
aEvent.time = PR_IntervalNow();
}
NS_IMETHODIMP
nsDOMWindowUtils::SendQueryContentEvent(uint32_t aType,
uint32_t aOffset, uint32_t aLength,
int32_t aX, int32_t aY,
uint32_t aAdditionalFlags,
nsIQueryContentEventResult **aResult)
{
*aResult = nullptr;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> 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;
}
if (aType != NS_QUERY_SELECTED_TEXT &&
aType != NS_QUERY_TEXT_CONTENT &&
aType != NS_QUERY_CARET_RECT &&
aType != NS_QUERY_TEXT_RECT &&
aType != NS_QUERY_EDITOR_RECT &&
aType != NS_QUERY_CHARACTER_AT_POINT) {
return NS_ERROR_INVALID_ARG;
}
nsCOMPtr<nsIWidget> targetWidget = widget;
LayoutDeviceIntPoint pt(aX, aY);
bool useNativeLineBreak =
!(aAdditionalFlags & QUERY_CONTENT_FLAG_USE_XP_LINE_BREAK);
if (aType == QUERY_CHARACTER_AT_POINT) {
// Looking for the widget at the point.
WidgetQueryContentEvent dummyEvent(true, NS_QUERY_CONTENT_STATE, widget);
dummyEvent.mUseNativeLineBreak = useNativeLineBreak;
InitEvent(dummyEvent, &pt);
nsIFrame* popupFrame =
nsLayoutUtils::GetPopupFrameForEventCoordinates(presContext->GetRootPresContext(), &dummyEvent);
nsIntRect widgetBounds;
nsresult rv = widget->GetClientBounds(widgetBounds);
NS_ENSURE_SUCCESS(rv, rv);
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(LayoutDeviceIntPoint::ToUntyped(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, aType, targetWidget);
InitEvent(queryEvent, &pt);
switch (aType) {
case NS_QUERY_TEXT_CONTENT:
queryEvent.InitForQueryTextContent(aOffset, aLength, useNativeLineBreak);
break;
case NS_QUERY_CARET_RECT:
queryEvent.InitForQueryCaretRect(aOffset, useNativeLineBreak);
break;
case NS_QUERY_TEXT_RECT:
queryEvent.InitForQueryTextRect(aOffset, aLength, useNativeLineBreak);
break;
default:
queryEvent.mUseNativeLineBreak = useNativeLineBreak;
break;
}
nsEventStatus status;
nsresult rv = targetWidget->DispatchEvent(&queryEvent, status);
NS_ENSURE_SUCCESS(rv, rv);
nsQueryContentEventResult* result = new nsQueryContentEventResult();
NS_ENSURE_TRUE(result, NS_ERROR_OUT_OF_MEMORY);
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;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return NS_ERROR_FAILURE;
}
WidgetSelectionEvent selectionEvent(true, NS_SELECTION_SET, 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// get the widget to send the event to
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
int32_t msg;
if (aType.EqualsLiteral("cut"))
msg = NS_CONTENT_COMMAND_CUT;
else if (aType.EqualsLiteral("copy"))
msg = NS_CONTENT_COMMAND_COPY;
else if (aType.EqualsLiteral("paste"))
msg = NS_CONTENT_COMMAND_PASTE;
else if (aType.EqualsLiteral("delete"))
msg = NS_CONTENT_COMMAND_DELETE;
else if (aType.EqualsLiteral("undo"))
msg = NS_CONTENT_COMMAND_UNDO;
else if (aType.EqualsLiteral("redo"))
msg = NS_CONTENT_COMMAND_REDO;
else if (aType.EqualsLiteral("pasteTransferable"))
msg = NS_CONTENT_COMMAND_PASTE_TRANSFERABLE;
else
return NS_ERROR_FAILURE;
WidgetContentCommandEvent event(true, msg, widget);
if (msg == NS_CONTENT_COMMAND_PASTE_TRANSFERABLE) {
event.mTransferable = aTransferable;
}
nsEventStatus status;
return widget->DispatchEvent(&event, status);
}
NS_IMETHODIMP
nsDOMWindowUtils::GetClassName(JS::Handle<JS::Value> aObject, JSContext* aCx,
char** aName)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// 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();
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsCOMPtr<nsIDOMCSSStyleDeclaration> decl;
nsresult rv =
window->GetComputedStyle(aElement, aPseudoElement, getter_AddRefs(decl));
NS_ENSURE_SUCCESS(rv, rv);
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(true);
rv = decl->GetPropertyValue(aPropertyName, aResult);
static_cast<nsComputedDOMStyle*>(decl.get())->SetExposeVisitedStyle(false);
return rv;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnterModalState()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->EnterModalState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::LeaveModalState()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->LeaveModalState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::IsInModalState(bool *retval)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*retval = static_cast<nsGlobalWindow*>(window.get())->IsInModalState();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetDesktopModeViewport(bool aDesktopMode)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
static_cast<nsGlobalWindow*>(window.get())->SetDesktopModeViewport(aDesktopMode);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetOuterWindowID(uint64_t *aWindowID)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
NS_ASSERTION(window->IsOuterWindow(), "How did that happen?");
*aWindowID = window->WindowID();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCurrentInnerWindowID(uint64_t *aWindowID)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_NOT_AVAILABLE);
NS_ASSERTION(window->IsOuterWindow(), "How did that happen?");
nsGlobalWindow* inner =
static_cast<nsGlobalWindow*>(window.get())->GetCurrentInnerWindowInternal();
if (!inner) {
return NS_ERROR_NOT_AVAILABLE;
}
*aWindowID = inner->WindowID();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SuspendTimeouts()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
window->SuspendTimeouts();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ResumeTimeouts()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
window->ResumeTimeouts();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetLayerManagerType(nsAString& aType)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
*retval = !!mgr->AsShadowForwarder();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetSupportsHardwareH264Decoding(bool* retval)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
#ifdef MOZ_FMP4
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
*retval = MP4Decoder::IsVideoAccelerated(mgr->GetCompositorBackendType());
#else
*retval = false;
#endif
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StartFrameTimeRecording(uint32_t *startIndex)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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::BeginTabSwitch()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
LayerManager *mgr = widget->GetLayerManager();
if (!mgr)
return NS_ERROR_FAILURE;
mgr->BeginTabSwitch();
return NS_OK;
}
static bool
ComputeAnimationValue(nsCSSProperty aProperty,
Element* aElement,
const nsAString& aInput,
StyleAnimationValue& aOutput)
{
if (!StyleAnimationValue::ComputeValue(aProperty, aElement, aInput,
false, aOutput)) {
return false;
}
// This matches TransExtractComputedValue in nsTransitionManager.cpp.
if (aProperty == eCSSProperty_visibility) {
MOZ_ASSERT(aOutput.GetUnit() == StyleAnimationValue::eUnit_Enumerated,
"unexpected unit");
aOutput.SetIntValue(aOutput.GetIntValue(),
StyleAnimationValue::eUnit_Visibility);
}
return true;
}
NS_IMETHODIMP
nsDOMWindowUtils::AdvanceTimeAndRefresh(int64_t aMilliseconds)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// 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());
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RestoreNormalRefresh()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// 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();
}
if (nsPresContext* pc = GetPresContext()) {
nsRefreshDriver* driver = pc->RefreshDriver();
driver->RestoreNormalRefresh();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsTestControllingRefreshes(bool *aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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,
int32_t aX, int32_t aY)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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;
}
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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;
}
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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;
}
ShadowLayerForwarder* forwarder = manager->AsShadowForwarder();
if (!forwarder || !forwarder->HasShadowManager()) {
*aOutResult = false;
return NS_OK;
}
forwarder->GetShadowManager()->SendFlushApzRepaints();
*aOutResult = true;
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::ComputeAnimationDistance(nsIDOMElement* aElement,
const nsAString& aProperty,
const nsAString& aValue1,
const nsAString& aValue2,
double* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsresult rv;
nsCOMPtr<nsIContent> content = do_QueryInterface(aElement, &rv);
NS_ENSURE_SUCCESS(rv, rv);
nsCSSProperty property =
nsCSSProps::LookupProperty(aProperty, nsCSSProps::eIgnoreEnabledState);
if (property != eCSSProperty_UNKNOWN && nsCSSProps::IsShorthand(property)) {
property = eCSSProperty_UNKNOWN;
}
MOZ_ASSERT(property == eCSSProperty_UNKNOWN ||
!nsCSSProps::IsShorthand(property),
"should not have shorthand");
StyleAnimationValue v1, v2;
if (property == eCSSProperty_UNKNOWN ||
!ComputeAnimationValue(property, content->AsElement(), aValue1, v1) ||
!ComputeAnimationValue(property, content->AsElement(), aValue2, v2)) {
return NS_ERROR_ILLEGAL_VALUE;
}
if (!StyleAnimationValue::ComputeDistance(property, v1, v2, *aResult)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult
nsDOMWindowUtils::RenderDocument(const nsRect& aRect,
uint32_t aFlags,
nscolor aBackgroundColor,
gfxContext* aThebesContext)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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::GetCursorType(int16_t *aCursor)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
NS_ENSURE_ARG_POINTER(aCursor);
nsIDocument* doc = GetDocument();
NS_ENSURE_TRUE(doc, NS_ERROR_FAILURE);
bool isSameDoc = false;
do {
if (EventStateManager::sMouseOverDocument == doc) {
isSameDoc = true;
break;
}
} while ((doc = doc->GetParentDocument()));
if (!isSameDoc) {
*aCursor = eCursor_none;
return NS_OK;
}
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
// fetch cursor value from window's widget
*aCursor = widget->GetCursor();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetDisplayDPI(float *aDPI)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget)
return NS_ERROR_FAILURE;
*aDPI = widget->GetDPI();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetOuterWindowWithId(uint64_t aWindowID,
nsIDOMWindow** aWindow)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// XXX This method is deprecated. See bug 865664.
nsContentUtils::ReportToConsole(nsIScriptError::warningFlag,
NS_LITERAL_CSTRING("DOM"),
nsContentUtils::GetDocumentFromCaller(),
nsContentUtils::eDOM_PROPERTIES,
"GetWindowWithOuterIdWarning");
*aWindow = nsGlobalWindow::GetOuterWindowWithId(aWindowID);
NS_IF_ADDREF(*aWindow);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetContainerElement(nsIDOMElement** aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsCOMPtr<nsIDOMElement> element =
do_QueryInterface(window->GetFrameElementInternal());
element.forget(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::WrapDOMFile(nsIFile *aFile,
nsISupports **aDOMFile)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (!aFile) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
nsPIDOMWindow* innerWindow = window->GetCurrentInnerWindow();
if (!innerWindow) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIDOMBlob> blob = File::CreateFromFile(innerWindow, aFile);
blob.forget(aDOMFile);
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();
nsIntPoint offset = aOffset + nsIntPoint(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();
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
*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())) {
*aResult = false;
}
#endif
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::CheckAndClearPaintedState(nsIDOMElement* aElement, bool* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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::IsPartOfOpaqueLayer(nsIDOMElement* aElement, bool* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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;
}
Layer* layer = FrameLayerBuilder::GetDebugSingleOldLayerForFrame(frame);
if (!layer || !layer->AsPaintedLayer()) {
return NS_ERROR_FAILURE;
}
*aResult = (layer->GetContentFlags() & Layer::CONTENT_OPAQUE);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::NumberOfAssignedPaintedLayers(nsIDOMElement** aElements,
uint32_t aCount,
uint32_t* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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;
}
Layer* layer = FrameLayerBuilder::GetDebugSingleOldLayerForFrame(frame);
if (!layer || !layer->AsPaintedLayer()) {
return NS_ERROR_FAILURE;
}
layers.PutEntry(layer->AsPaintedLayer());
}
*aResult = layers.Count();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnableDialogs()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
static_cast<nsGlobalWindow*>(window.get())->EnableDialogs();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::DisableDialogs()
{
if (!nsContentUtils::IsCallerChrome()) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
static_cast<nsGlobalWindow*>(window.get())->DisableDialogs();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AreDialogsEnabled(bool* aResult)
{
if (!nsContentUtils::IsCallerChrome()) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
*aResult = static_cast<nsGlobalWindow*>(window.get())->AreDialogsEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFileId(JS::Handle<JS::Value> aFile, JSContext* aCx,
int64_t* _retval)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (aFile.isPrimitive()) {
*_retval = -1;
return NS_OK;
}
JSObject* obj = aFile.toObjectOrNull();
indexedDB::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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (aFile.isPrimitive()) {
_retval.Truncate();
return NS_OK;
}
JSObject* obj = 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_TRUE(window, NS_ERROR_FAILURE);
nsCString origin;
nsresult rv =
quota::QuotaManager::GetInfoFromWindow(window, nullptr, &origin, nullptr);
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);
nsRefPtr<indexedDB::IndexedDatabaseManager> mgr =
indexedDB::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()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
using mozilla::dom::indexedDB::IndexedDatabaseManager;
nsRefPtr<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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
*aResult = JS::IsIncrementalGCEnabled(JS_GetRuntime(cx));
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StartPCCountProfiling(JSContext* cx)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
js::StartPCCountProfiling(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::StopPCCountProfiling(JSContext* cx)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
js::StopPCCountProfiling(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::PurgePCCounts(JSContext* cx)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
js::PurgePCCounts(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPCCountScriptCount(JSContext* cx, int32_t *result)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
*result = js::GetPCCountScriptCount(cx);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetPCCountScriptSummary(int32_t script, JSContext* cx, nsAString& result)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetContentDocumentFixedPositionMargins(float aTop, float aRight,
float aBottom, float aLeft)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (!(aTop >= 0.0f && aRight >= 0.0f && aBottom >= 0.0f && aLeft >= 0.0f)) {
return NS_ERROR_ILLEGAL_VALUE;
}
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
nsMargin margins(nsPresContext::CSSPixelsToAppUnits(aTop),
nsPresContext::CSSPixelsToAppUnits(aRight),
nsPresContext::CSSPixelsToAppUnits(aBottom),
nsPresContext::CSSPixelsToAppUnits(aLeft));
presShell->SetContentDocumentFixedPositionMargins(margins);
return NS_OK;
}
nsresult
nsDOMWindowUtils::RemoteFrameFullscreenChanged(nsIDOMElement* aFrameElement)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
doc->RemoteFrameFullscreenChanged(aFrameElement);
return NS_OK;
}
nsresult
nsDOMWindowUtils::RemoteFrameFullscreenReverted()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
doc->RemoteFrameFullscreenReverted();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::HandleFullscreenRequests(bool* aRetVal)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
*aRetVal = nsIDocument::HandlePendingFullscreenRequests(doc);
return NS_OK;
}
nsresult
nsDOMWindowUtils::ExitFullscreen()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIDocument> doc = GetDocument();
NS_ENSURE_STATE(doc);
nsIDocument::ExitFullscreenInDocTree(doc);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SelectAtPoint(float aX, float aY, uint32_t aSelectBehavior,
bool *_retval)
{
*_retval = false;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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->FrameManager()->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::SheetTypeCount;
}
}
NS_IMETHODIMP
nsDOMWindowUtils::LoadSheet(nsIURI *aSheetURI, uint32_t aSheetType)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aSheetURI);
NS_ENSURE_SUCCESS(rv, rv);
return LoadSheet(uri, aSheetType);
}
NS_IMETHODIMP
nsDOMWindowUtils::AddSheet(nsIDOMStyleSheet *aSheet, uint32_t aSheetType)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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);
nsIDocument::additionalSheetType type = convertSheetType(aSheetType);
nsCOMPtr<nsIStyleSheet> sheet = do_QueryInterface(aSheet);
NS_ENSURE_TRUE(sheet, NS_ERROR_FAILURE);
if (sheet->GetOwningDocument()) {
return NS_ERROR_INVALID_ARG;
}
return doc->AddAdditionalStyleSheet(type, sheet);
}
NS_IMETHODIMP
nsDOMWindowUtils::RemoveSheet(nsIURI *aSheetURI, uint32_t aSheetType)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
*aHandlingUserInput = EventStateManager::IsHandlingUserInput();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AllowScriptsToClose()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
static_cast<nsGlobalWindow*>(window.get())->AllowScriptsToClose();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetIsParentWindowMainWidgetVisible(bool* aIsVisible)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// this should reflect the "is parent window visible" logic in
// nsWindowWatcher::OpenWindowInternal()
nsCOMPtr<nsPIDOMWindow> 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;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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(NS_EVENT_NULL)) {
*aRetVal = true;
break;
}
}
node = node->GetParentNode();
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetPaintFlashing(bool aPaintFlashing)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
*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;
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
NS_ENSURE_STATE(aTarget && aEvent);
aEvent->GetInternalNSEvent()->mFlags.mOnlyChromeDispatch = true;
aTarget->DispatchEvent(aEvent, aRetVal);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::RequestCompositorProperty(const nsAString& property,
float* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<Element> element = do_QueryInterface(aElement);
if (!element) {
return NS_ERROR_INVALID_ARG;
}
nsRefPtr<nsROCSSPrimitiveValue> cssValue = nullptr;
nsIFrame* frame = element->GetPrimaryFrame();
if (frame && !aPseudoElement.IsEmpty()) {
if (aPseudoElement.EqualsLiteral("::before")) {
frame = nsLayoutUtils::GetBeforeFrame(frame);
} else if (aPseudoElement.EqualsLiteral("::after")) {
frame = nsLayoutUtils::GetAfterFrame(frame);
} else {
return NS_ERROR_INVALID_ARG;
}
}
if (frame && nsLayoutUtils::AreAsyncAnimationsEnabled()) {
if (aProperty.EqualsLiteral("opacity")) {
Layer* layer =
FrameLayerBuilder::GetDedicatedLayer(frame,
nsDisplayItem::TYPE_OPACITY);
if (layer) {
float value;
ShadowLayerForwarder* forwarder = layer->Manager()->AsShadowForwarder();
if (forwarder && forwarder->HasShadowManager()) {
forwarder->GetShadowManager()->SendGetOpacity(
layer->AsShadowableLayer()->GetShadow(), &value);
cssValue = new nsROCSSPrimitiveValue;
cssValue->SetNumber(value);
}
}
} else if (aProperty.EqualsLiteral("transform")) {
Layer* layer =
FrameLayerBuilder::GetDedicatedLayer(frame,
nsDisplayItem::TYPE_TRANSFORM);
if (layer) {
ShadowLayerForwarder* forwarder = layer->Manager()->AsShadowForwarder();
if (forwarder && forwarder->HasShadowManager()) {
MaybeTransform transform;
forwarder->GetShadowManager()->SendGetAnimationTransform(
layer->AsShadowableLayer()->GetShadow(), &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();
} else {
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();
}
}
HandlingUserInputHelper::~HandlingUserInputHelper()
{
// We assert, but just in case, make sure we notify the ESM.
MOZ_ASSERT(mDestructCalled);
if (!mDestructCalled) {
Destruct();
}
}
NS_IMETHODIMP
HandlingUserInputHelper::Destruct()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (NS_WARN_IF(mDestructCalled)) {
return NS_ERROR_FAILURE;
}
mDestructCalled = true;
if (mHandlingUserInput) {
EventStateManager::StopHandlingUserInput();
}
return NS_OK;
}
} // unnamed namespace
NS_IMETHODIMP
nsDOMWindowUtils::SetHandlingUserInput(bool aHandlingUserInput,
nsIJSRAIIHelper** aHelper)
{
if (!nsContentUtils::IsCallerChrome()) {
return NS_ERROR_DOM_SECURITY_ERR;
}
nsRefPtr<HandlingUserInputHelper> helper(
new HandlingUserInputHelper(aHandlingUserInput));
helper.forget(aHelper);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetContentAPZTestData(JSContext* aContext,
JS::MutableHandleValue aOutContentTestData)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (nsIWidget* widget = GetWidget()) {
nsRefPtr<LayerManager> lm = widget->GetLayerManager();
if (lm && lm->GetBackendType() == LayersBackend::LAYERS_CLIENT) {
ClientLayerManager* clm = static_cast<ClientLayerManager*>(lm.get());
if (!clm->GetAPZTestData().ToJS(aOutContentTestData, aContext)) {
return NS_ERROR_FAILURE;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetCompositorAPZTestData(JSContext* aContext,
JS::MutableHandleValue aOutCompositorTestData)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
if (nsIWidget* widget = GetWidget()) {
nsRefPtr<LayerManager> lm = widget->GetLayerManager();
if (lm && lm->GetBackendType() == LayersBackend::LAYERS_CLIENT) {
ClientLayerManager* clm = static_cast<ClientLayerManager*>(lm.get());
APZTestData compositorSideData;
clm->GetCompositorSideAPZTestData(&compositorSideData);
if (!compositorSideData.ToJS(aOutCompositorTestData, aContext)) {
return NS_ERROR_FAILURE;
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::PostRestyleSelfEvent(nsIDOMElement* aElement)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
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::GetAudioMuted(bool* aMuted)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aMuted = window->GetAudioMuted();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAudioMuted(bool aMuted)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetAudioMuted(aMuted);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetAudioVolume(float* aVolume)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aVolume = window->GetAudioVolume();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetAudioVolume(float aVolume)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> 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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> 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) {
nsIntMargin margins(aTop, aRight, aBottom, aLeft);
return widget->SetNonClientMargins(margins);
}
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFrameUniformityTestData(JSContext* aContext,
JS::MutableHandleValue aOutFrameUniformity)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIWidget* widget = GetWidget();
if (!widget) {
return NS_ERROR_NOT_AVAILABLE;
}
nsRefPtr<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)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
// Do nothing.
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::AskPermission(nsIContentPermissionRequest* aRequest)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
return nsContentPermissionUtils::AskPermission(aRequest, window->GetCurrentInnerWindow());
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFramesConstructed(uint64_t* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResult = presContext->FramesConstructedCount();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetFramesReflowed(uint64_t* aResult)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsPresContext* presContext = GetPresContext();
if (!presContext) {
return NS_ERROR_NOT_AVAILABLE;
}
*aResult = presContext->FramesReflowedCount();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::SetServiceWorkersTestingEnabled(bool aEnabled)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
window->SetServiceWorkersTestingEnabled(aEnabled);
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::GetServiceWorkersTestingEnabled(bool *aEnabled)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsCOMPtr<nsPIDOMWindow> window = do_QueryReferent(mWindow);
NS_ENSURE_STATE(window);
*aEnabled = window->GetServiceWorkersTestingEnabled();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::EnterChaosMode()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
ChaosMode::enterChaosMode();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::LeaveChaosMode()
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
ChaosMode::leaveChaosMode();
return NS_OK;
}
NS_IMETHODIMP
nsDOMWindowUtils::HasRuleProcessorUsedByMultipleStyleSets(uint32_t aSheetType,
bool* aRetVal)
{
MOZ_RELEASE_ASSERT(nsContentUtils::IsCallerChrome());
nsIPresShell* presShell = GetPresShell();
if (!presShell) {
return NS_ERROR_FAILURE;
}
return presShell->HasRuleProcessorUsedByMultipleStyleSets(aSheetType,
aRetVal);
}
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;
}
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