зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.3 KiB
C++
84 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AnimationUtils.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/KeyframeEffect.h"
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#include "mozilla/EffectSet.h"
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#include "mozilla/Preferences.h"
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#include "nsDebug.h"
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#include "nsAtom.h"
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#include "nsIContent.h"
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#include "nsGlobalWindow.h"
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#include "nsString.h"
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#include "xpcpublic.h" // For xpc::NativeGlobal
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using namespace mozilla::dom;
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namespace mozilla {
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/* static */ void AnimationUtils::LogAsyncAnimationFailure(
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nsCString& aMessage, const nsIContent* aContent) {
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if (aContent) {
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aMessage.AppendLiteral(" [");
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aMessage.Append(nsAtomCString(aContent->NodeInfo()->NameAtom()));
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nsAtom* id = aContent->GetID();
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if (id) {
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aMessage.AppendLiteral(" with id '");
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aMessage.Append(nsAtomCString(aContent->GetID()));
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aMessage.Append('\'');
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}
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aMessage.Append(']');
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}
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aMessage.Append('\n');
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printf_stderr("%s", aMessage.get());
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}
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/* static */ Document* AnimationUtils::GetCurrentRealmDocument(JSContext* aCx) {
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nsGlobalWindowInner* win = xpc::CurrentWindowOrNull(aCx);
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if (!win) {
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return nullptr;
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}
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return win->GetDoc();
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}
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/* static */ Document* AnimationUtils::GetDocumentFromGlobal(
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JSObject* aGlobalObject) {
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nsGlobalWindowInner* win = xpc::WindowOrNull(aGlobalObject);
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if (!win) {
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return nullptr;
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}
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return win->GetDoc();
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}
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/* static */ bool AnimationUtils::IsOffscreenThrottlingEnabled() {
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static bool sOffscreenThrottlingEnabled;
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static bool sPrefCached = false;
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if (!sPrefCached) {
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sPrefCached = true;
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Preferences::AddBoolVarCache(&sOffscreenThrottlingEnabled,
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"dom.animations.offscreen-throttling");
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}
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return sOffscreenThrottlingEnabled;
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}
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/* static */ bool AnimationUtils::EffectSetContainsAnimatedScale(
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EffectSet& aEffects, const nsIFrame* aFrame) {
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for (const dom::KeyframeEffect* effect : aEffects) {
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if (effect->ContainsAnimatedScale(aFrame)) {
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return true;
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}
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}
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return false;
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}
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} // namespace mozilla
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