mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
6315d9d2bc
This patch renames the confusing IsRunning method since IsRunning() is *not* the same as (PlayState() == AnimationPlayState::Running). It also removes the old definition to make better re-use of PlayState() and IsInPlay().
875 lines
26 KiB
C++
875 lines
26 KiB
C++
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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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 "AnimationCommon.h"
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#include "nsTransitionManager.h"
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#include "nsAnimationManager.h"
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#include "ActiveLayerTracker.h"
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#include "gfxPlatform.h"
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#include "nsRuleData.h"
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#include "nsCSSPropertySet.h"
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#include "nsCSSValue.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsStyleContext.h"
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#include "nsIFrame.h"
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#include "nsLayoutUtils.h"
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#include "mozilla/LookAndFeel.h"
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#include "Layers.h"
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#include "FrameLayerBuilder.h"
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#include "nsDisplayList.h"
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#include "mozilla/MemoryReporting.h"
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#include "RestyleManager.h"
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#include "nsRuleProcessorData.h"
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#include "nsStyleSet.h"
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#include "nsStyleChangeList.h"
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using mozilla::layers::Layer;
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using mozilla::dom::AnimationPlayer;
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using mozilla::dom::Animation;
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namespace mozilla {
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/* static */ bool
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IsGeometricProperty(nsCSSProperty aProperty)
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{
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switch (aProperty) {
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case eCSSProperty_bottom:
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case eCSSProperty_height:
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case eCSSProperty_left:
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case eCSSProperty_right:
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case eCSSProperty_top:
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case eCSSProperty_width:
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return true;
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default:
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return false;
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}
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}
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namespace css {
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CommonAnimationManager::CommonAnimationManager(nsPresContext *aPresContext)
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: mPresContext(aPresContext)
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, mIsObservingRefreshDriver(false)
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{
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PR_INIT_CLIST(&mElementCollections);
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}
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CommonAnimationManager::~CommonAnimationManager()
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{
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MOZ_ASSERT(!mPresContext, "Disconnect should have been called");
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}
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void
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CommonAnimationManager::Disconnect()
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{
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// Content nodes might outlive the transition or animation manager.
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RemoveAllElementCollections();
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mPresContext = nullptr;
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}
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void
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CommonAnimationManager::AddElementCollection(AnimationPlayerCollection*
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aCollection)
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{
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if (!mIsObservingRefreshDriver) {
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NS_ASSERTION(aCollection->mNeedsRefreshes,
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"Added data which doesn't need refreshing?");
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// We need to observe the refresh driver.
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mPresContext->RefreshDriver()->AddRefreshObserver(this, Flush_Style);
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mIsObservingRefreshDriver = true;
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}
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PR_INSERT_BEFORE(aCollection, &mElementCollections);
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}
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void
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CommonAnimationManager::RemoveAllElementCollections()
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{
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while (!PR_CLIST_IS_EMPTY(&mElementCollections)) {
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AnimationPlayerCollection* head =
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static_cast<AnimationPlayerCollection*>(
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PR_LIST_HEAD(&mElementCollections));
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head->Destroy();
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}
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}
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void
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CommonAnimationManager::CheckNeedsRefresh()
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{
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for (PRCList *l = PR_LIST_HEAD(&mElementCollections);
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l != &mElementCollections;
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l = PR_NEXT_LINK(l)) {
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if (static_cast<AnimationPlayerCollection*>(l)->mNeedsRefreshes) {
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if (!mIsObservingRefreshDriver) {
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mPresContext->RefreshDriver()->AddRefreshObserver(this, Flush_Style);
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mIsObservingRefreshDriver = true;
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}
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return;
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}
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}
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if (mIsObservingRefreshDriver) {
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mIsObservingRefreshDriver = false;
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mPresContext->RefreshDriver()->RemoveRefreshObserver(this, Flush_Style);
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}
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}
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AnimationPlayerCollection*
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CommonAnimationManager::GetAnimationsForCompositor(nsIContent* aContent,
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nsIAtom* aElementProperty,
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nsCSSProperty aProperty)
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{
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if (!aContent->MayHaveAnimations())
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return nullptr;
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AnimationPlayerCollection* collection =
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static_cast<AnimationPlayerCollection*>(
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aContent->GetProperty(aElementProperty));
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if (!collection ||
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!collection->HasAnimationOfProperty(aProperty) ||
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!collection->CanPerformOnCompositorThread(
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AnimationPlayerCollection::CanAnimate_AllowPartial)) {
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return nullptr;
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}
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// This animation can be done on the compositor.
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// Mark the frame as active, in case we are able to throttle this animation.
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nsIFrame* frame = nsLayoutUtils::GetStyleFrame(collection->mElement);
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if (frame) {
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const auto& info = sLayerAnimationInfo;
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for (size_t i = 0; i < ArrayLength(info); i++) {
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if (aProperty == info[i].mProperty) {
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ActiveLayerTracker::NotifyAnimated(frame, aProperty);
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break;
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}
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}
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}
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return collection;
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}
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/*
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* nsISupports implementation
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*/
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NS_IMPL_ISUPPORTS(CommonAnimationManager, nsIStyleRuleProcessor)
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nsRestyleHint
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CommonAnimationManager::HasStateDependentStyle(StateRuleProcessorData* aData)
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{
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return nsRestyleHint(0);
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}
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nsRestyleHint
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CommonAnimationManager::HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData)
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{
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return nsRestyleHint(0);
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}
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bool
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CommonAnimationManager::HasDocumentStateDependentStyle(StateRuleProcessorData* aData)
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{
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return false;
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}
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nsRestyleHint
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CommonAnimationManager::HasAttributeDependentStyle(AttributeRuleProcessorData* aData)
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{
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return nsRestyleHint(0);
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}
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/* virtual */ bool
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CommonAnimationManager::MediumFeaturesChanged(nsPresContext* aPresContext)
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{
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return false;
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}
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/* virtual */ void
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CommonAnimationManager::RulesMatching(ElementRuleProcessorData* aData)
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{
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MOZ_ASSERT(aData->mPresContext == mPresContext,
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"pres context mismatch");
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nsIStyleRule *rule =
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GetAnimationRule(aData->mElement,
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nsCSSPseudoElements::ePseudo_NotPseudoElement);
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if (rule) {
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aData->mRuleWalker->Forward(rule);
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}
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}
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/* virtual */ void
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CommonAnimationManager::RulesMatching(PseudoElementRuleProcessorData* aData)
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{
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MOZ_ASSERT(aData->mPresContext == mPresContext,
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"pres context mismatch");
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if (aData->mPseudoType != nsCSSPseudoElements::ePseudo_before &&
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aData->mPseudoType != nsCSSPseudoElements::ePseudo_after) {
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return;
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}
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// FIXME: Do we really want to be the only thing keeping a
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// pseudo-element alive? I *think* the non-animation restyle should
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// handle that, but should add a test.
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nsIStyleRule *rule = GetAnimationRule(aData->mElement, aData->mPseudoType);
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if (rule) {
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aData->mRuleWalker->Forward(rule);
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}
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}
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/* virtual */ void
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CommonAnimationManager::RulesMatching(AnonBoxRuleProcessorData* aData)
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{
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}
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#ifdef MOZ_XUL
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/* virtual */ void
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CommonAnimationManager::RulesMatching(XULTreeRuleProcessorData* aData)
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{
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}
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#endif
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/* virtual */ size_t
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CommonAnimationManager::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
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{
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// Measurement of the following members may be added later if DMD finds it is
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// worthwhile:
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// - mElementCollections
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//
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// The following members are not measured
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// - mPresContext, because it's non-owning
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return 0;
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}
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/* virtual */ size_t
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CommonAnimationManager::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
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{
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return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
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}
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void
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CommonAnimationManager::AddStyleUpdatesTo(RestyleTracker& aTracker)
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{
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TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
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PRCList* next = PR_LIST_HEAD(&mElementCollections);
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while (next != &mElementCollections) {
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AnimationPlayerCollection* collection =
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static_cast<AnimationPlayerCollection*>(next);
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next = PR_NEXT_LINK(next);
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collection->EnsureStyleRuleFor(now, EnsureStyleRule_IsNotThrottled);
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dom::Element* elementToRestyle = collection->GetElementToRestyle();
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if (elementToRestyle) {
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nsRestyleHint rshint = collection->IsForTransitions()
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? eRestyle_CSSTransitions : eRestyle_CSSAnimations;
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aTracker.AddPendingRestyle(elementToRestyle, rshint, nsChangeHint(0));
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}
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}
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}
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void
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CommonAnimationManager::NotifyCollectionUpdated(AnimationPlayerCollection&
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aCollection)
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{
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CheckNeedsRefresh();
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mPresContext->ClearLastStyleUpdateForAllAnimations();
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mPresContext->RestyleManager()->IncrementAnimationGeneration();
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aCollection.UpdateAnimationGeneration(mPresContext);
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aCollection.PostRestyleForAnimation(mPresContext);
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}
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/* static */ bool
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CommonAnimationManager::ExtractComputedValueForTransition(
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nsCSSProperty aProperty,
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nsStyleContext* aStyleContext,
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StyleAnimationValue& aComputedValue)
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{
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bool result = StyleAnimationValue::ExtractComputedValue(aProperty,
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aStyleContext,
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aComputedValue);
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if (aProperty == eCSSProperty_visibility) {
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MOZ_ASSERT(aComputedValue.GetUnit() ==
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StyleAnimationValue::eUnit_Enumerated,
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"unexpected unit");
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aComputedValue.SetIntValue(aComputedValue.GetIntValue(),
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StyleAnimationValue::eUnit_Visibility);
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}
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return result;
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}
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AnimationPlayerCollection*
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CommonAnimationManager::GetAnimationPlayers(dom::Element *aElement,
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nsCSSPseudoElements::Type aPseudoType,
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bool aCreateIfNeeded)
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{
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if (!aCreateIfNeeded && PR_CLIST_IS_EMPTY(&mElementCollections)) {
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// Early return for the most common case.
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return nullptr;
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}
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nsIAtom *propName;
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if (aPseudoType == nsCSSPseudoElements::ePseudo_NotPseudoElement) {
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propName = GetAnimationsAtom();
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} else if (aPseudoType == nsCSSPseudoElements::ePseudo_before) {
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propName = GetAnimationsBeforeAtom();
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} else if (aPseudoType == nsCSSPseudoElements::ePseudo_after) {
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propName = GetAnimationsAfterAtom();
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} else {
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NS_ASSERTION(!aCreateIfNeeded,
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"should never try to create transitions for pseudo "
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"other than :before or :after");
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return nullptr;
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}
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AnimationPlayerCollection* collection =
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static_cast<AnimationPlayerCollection*>(aElement->GetProperty(propName));
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if (!collection && aCreateIfNeeded) {
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// FIXME: Consider arena-allocating?
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collection =
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new AnimationPlayerCollection(aElement, propName, this);
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nsresult rv =
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aElement->SetProperty(propName, collection,
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&AnimationPlayerCollection::PropertyDtor, false);
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if (NS_FAILED(rv)) {
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NS_WARNING("SetProperty failed");
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delete collection;
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return nullptr;
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}
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if (propName == nsGkAtoms::animationsProperty ||
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propName == nsGkAtoms::transitionsProperty) {
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aElement->SetMayHaveAnimations();
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}
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AddElementCollection(collection);
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}
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return collection;
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}
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nsIStyleRule*
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CommonAnimationManager::GetAnimationRule(mozilla::dom::Element* aElement,
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nsCSSPseudoElements::Type aPseudoType)
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{
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MOZ_ASSERT(
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aPseudoType == nsCSSPseudoElements::ePseudo_NotPseudoElement ||
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aPseudoType == nsCSSPseudoElements::ePseudo_before ||
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aPseudoType == nsCSSPseudoElements::ePseudo_after,
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"forbidden pseudo type");
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if (!mPresContext->IsDynamic()) {
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// For print or print preview, ignore animations.
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return nullptr;
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}
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AnimationPlayerCollection* collection =
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GetAnimationPlayers(aElement, aPseudoType, false);
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if (!collection) {
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return nullptr;
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}
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RestyleManager* restyleManager = mPresContext->RestyleManager();
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if (restyleManager->SkipAnimationRules()) {
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return nullptr;
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}
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// Animations should already be refreshed, but transitions may not be.
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// Note that this is temporary, we would like both animations and transitions
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// to both be refreshed by this point.
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if (IsAnimationManager()) {
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NS_WARN_IF_FALSE(!collection->mNeedsRefreshes ||
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collection->mStyleRuleRefreshTime ==
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mPresContext->RefreshDriver()->MostRecentRefresh(),
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"should already have refreshed style rule");
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} else {
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// FIXME: Remove this assignment. See bug 1061364.
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collection->mNeedsRefreshes = true;
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collection->EnsureStyleRuleFor(
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mPresContext->RefreshDriver()->MostRecentRefresh(),
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EnsureStyleRule_IsNotThrottled);
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}
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return collection->mStyleRule;
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}
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/* static */ const CommonAnimationManager::LayerAnimationRecord
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CommonAnimationManager::sLayerAnimationInfo[] =
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{ { eCSSProperty_transform,
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nsDisplayItem::TYPE_TRANSFORM,
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nsChangeHint_UpdateTransformLayer },
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{ eCSSProperty_opacity,
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nsDisplayItem::TYPE_OPACITY,
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nsChangeHint_UpdateOpacityLayer } };
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NS_IMPL_ISUPPORTS(AnimValuesStyleRule, nsIStyleRule)
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/* virtual */ void
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AnimValuesStyleRule::MapRuleInfoInto(nsRuleData* aRuleData)
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{
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nsStyleContext *contextParent = aRuleData->mStyleContext->GetParent();
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if (contextParent && contextParent->HasPseudoElementData()) {
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// Don't apply transitions or animations to things inside of
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// pseudo-elements.
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// FIXME (Bug 522599): Add tests for this.
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return;
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}
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for (uint32_t i = 0, i_end = mPropertyValuePairs.Length(); i < i_end; ++i) {
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PropertyValuePair &cv = mPropertyValuePairs[i];
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if (aRuleData->mSIDs & nsCachedStyleData::GetBitForSID(
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nsCSSProps::kSIDTable[cv.mProperty]))
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{
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nsCSSValue *prop = aRuleData->ValueFor(cv.mProperty);
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if (prop->GetUnit() == eCSSUnit_Null) {
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#ifdef DEBUG
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bool ok =
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#endif
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StyleAnimationValue::UncomputeValue(cv.mProperty, cv.mValue, *prop);
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MOZ_ASSERT(ok, "could not store computed value");
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}
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}
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}
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}
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#ifdef DEBUG
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/* virtual */ void
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AnimValuesStyleRule::List(FILE* out, int32_t aIndent) const
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{
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nsAutoCString str;
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for (int32_t index = aIndent; --index >= 0; ) {
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str.AppendLiteral(" ");
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}
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str.AppendLiteral("[anim values] { ");
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for (uint32_t i = 0, i_end = mPropertyValuePairs.Length(); i < i_end; ++i) {
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const PropertyValuePair &pair = mPropertyValuePairs[i];
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str.Append(nsCSSProps::GetStringValue(pair.mProperty));
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str.AppendLiteral(": ");
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nsAutoString value;
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StyleAnimationValue::UncomputeValue(pair.mProperty, pair.mValue, value);
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AppendUTF16toUTF8(value, str);
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str.AppendLiteral("; ");
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}
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str.AppendLiteral("}\n");
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fprintf_stderr(out, "%s", str.get());
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}
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#endif
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} /* end sub-namespace css */
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bool
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AnimationPlayerCollection::CanAnimatePropertyOnCompositor(
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const dom::Element *aElement,
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nsCSSProperty aProperty,
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CanAnimateFlags aFlags)
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{
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bool shouldLog = nsLayoutUtils::IsAnimationLoggingEnabled();
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if (!gfxPlatform::OffMainThreadCompositingEnabled()) {
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if (shouldLog) {
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nsCString message;
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message.AppendLiteral("Performance warning: Compositor disabled");
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LogAsyncAnimationFailure(message);
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}
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return false;
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}
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nsIFrame* frame = nsLayoutUtils::GetStyleFrame(aElement);
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if (IsGeometricProperty(aProperty)) {
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if (shouldLog) {
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nsCString message;
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message.AppendLiteral("Performance warning: Async animation of geometric property '");
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message.Append(nsCSSProps::GetStringValue(aProperty));
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message.AppendLiteral("' is disabled");
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LogAsyncAnimationFailure(message, aElement);
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}
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return false;
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}
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if (aProperty == eCSSProperty_transform) {
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if (frame->Preserves3D() &&
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frame->Preserves3DChildren()) {
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if (shouldLog) {
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nsCString message;
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message.AppendLiteral("Gecko bug: Async animation of 'preserve-3d' transforms is not supported. See bug 779598");
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LogAsyncAnimationFailure(message, aElement);
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}
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return false;
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}
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if (frame->IsSVGTransformed()) {
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if (shouldLog) {
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nsCString message;
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message.AppendLiteral("Gecko bug: Async 'transform' animations of frames with SVG transforms is not supported. See bug 779599");
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LogAsyncAnimationFailure(message, aElement);
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}
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return false;
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}
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if (aFlags & CanAnimate_HasGeometricProperty) {
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if (shouldLog) {
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nsCString message;
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message.AppendLiteral("Performance warning: Async animation of 'transform' not possible due to presence of geometric properties");
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LogAsyncAnimationFailure(message, aElement);
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}
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return false;
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}
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}
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bool enabled = nsLayoutUtils::AreAsyncAnimationsEnabled();
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if (!enabled && shouldLog) {
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nsCString message;
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message.AppendLiteral("Performance warning: Async animations are disabled");
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LogAsyncAnimationFailure(message);
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}
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bool propertyAllowed = (aProperty == eCSSProperty_transform) ||
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(aProperty == eCSSProperty_opacity) ||
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(aFlags & CanAnimate_AllowPartial);
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return enabled && propertyAllowed;
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}
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/* static */ bool
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AnimationPlayerCollection::IsCompositorAnimationDisabledForFrame(
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nsIFrame* aFrame)
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{
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void* prop = aFrame->Properties().Get(nsIFrame::RefusedAsyncAnimation());
|
|
return bool(reinterpret_cast<intptr_t>(prop));
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::CanPerformOnCompositorThread(
|
|
CanAnimateFlags aFlags) const
|
|
{
|
|
nsIFrame* frame = nsLayoutUtils::GetStyleFrame(mElement);
|
|
if (!frame) {
|
|
return false;
|
|
}
|
|
|
|
if (mElementProperty != nsGkAtoms::transitionsProperty &&
|
|
mElementProperty != nsGkAtoms::animationsProperty) {
|
|
if (nsLayoutUtils::IsAnimationLoggingEnabled()) {
|
|
nsCString message;
|
|
message.AppendLiteral("Gecko bug: Async animation of pseudoelements"
|
|
" not supported. See bug 771367 (");
|
|
message.Append(nsAtomCString(mElementProperty));
|
|
message.Append(")");
|
|
LogAsyncAnimationFailure(message, mElement);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
const AnimationPlayer* player = mPlayers[playerIdx];
|
|
if (!player->IsPlaying()) {
|
|
continue;
|
|
}
|
|
|
|
const Animation* anim = player->GetSource();
|
|
MOZ_ASSERT(anim, "A playing player should have a source animation");
|
|
|
|
for (size_t propIdx = 0, propEnd = anim->Properties().Length();
|
|
propIdx != propEnd; ++propIdx) {
|
|
if (IsGeometricProperty(anim->Properties()[propIdx].mProperty)) {
|
|
aFlags = CanAnimateFlags(aFlags | CanAnimate_HasGeometricProperty);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool existsProperty = false;
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
const AnimationPlayer* player = mPlayers[playerIdx];
|
|
if (!player->IsPlaying()) {
|
|
continue;
|
|
}
|
|
|
|
const Animation* anim = player->GetSource();
|
|
MOZ_ASSERT(anim, "A playing player should have a source animation");
|
|
|
|
existsProperty = existsProperty || anim->Properties().Length() > 0;
|
|
|
|
for (size_t propIdx = 0, propEnd = anim->Properties().Length();
|
|
propIdx != propEnd; ++propIdx) {
|
|
const AnimationProperty& prop = anim->Properties()[propIdx];
|
|
if (!CanAnimatePropertyOnCompositor(mElement,
|
|
prop.mProperty,
|
|
aFlags) ||
|
|
IsCompositorAnimationDisabledForFrame(frame)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// No properties to animate
|
|
if (!existsProperty) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::HasAnimationOfProperty(
|
|
nsCSSProperty aProperty) const
|
|
{
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
const Animation* anim = mPlayers[playerIdx]->GetSource();
|
|
if (anim && anim->HasAnimationOfProperty(aProperty) &&
|
|
!anim->IsFinishedTransition()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
mozilla::dom::Element*
|
|
AnimationPlayerCollection::GetElementToRestyle() const
|
|
{
|
|
if (IsForElement()) {
|
|
return mElement;
|
|
}
|
|
|
|
nsIFrame* primaryFrame = mElement->GetPrimaryFrame();
|
|
if (!primaryFrame) {
|
|
return nullptr;
|
|
}
|
|
nsIFrame* pseudoFrame;
|
|
if (IsForBeforePseudo()) {
|
|
pseudoFrame = nsLayoutUtils::GetBeforeFrame(primaryFrame);
|
|
} else if (IsForAfterPseudo()) {
|
|
pseudoFrame = nsLayoutUtils::GetAfterFrame(primaryFrame);
|
|
} else {
|
|
MOZ_ASSERT(false, "unknown mElementProperty");
|
|
return nullptr;
|
|
}
|
|
if (!pseudoFrame) {
|
|
return nullptr;
|
|
}
|
|
return pseudoFrame->GetContent()->AsElement();
|
|
}
|
|
|
|
void
|
|
AnimationPlayerCollection::NotifyPlayerUpdated()
|
|
{
|
|
// On the next flush, force us to update the style rule
|
|
mNeedsRefreshes = true;
|
|
mStyleRuleRefreshTime = TimeStamp();
|
|
|
|
mManager->NotifyCollectionUpdated(*this);
|
|
}
|
|
|
|
/* static */ void
|
|
AnimationPlayerCollection::LogAsyncAnimationFailure(nsCString& aMessage,
|
|
const nsIContent* aContent)
|
|
{
|
|
if (aContent) {
|
|
aMessage.AppendLiteral(" [");
|
|
aMessage.Append(nsAtomCString(aContent->NodeInfo()->NameAtom()));
|
|
|
|
nsIAtom* id = aContent->GetID();
|
|
if (id) {
|
|
aMessage.AppendLiteral(" with id '");
|
|
aMessage.Append(nsAtomCString(aContent->GetID()));
|
|
aMessage.Append('\'');
|
|
}
|
|
aMessage.Append(']');
|
|
}
|
|
aMessage.Append('\n');
|
|
printf_stderr("%s", aMessage.get());
|
|
}
|
|
|
|
/*static*/ void
|
|
AnimationPlayerCollection::PropertyDtor(void *aObject, nsIAtom *aPropertyName,
|
|
void *aPropertyValue, void *aData)
|
|
{
|
|
AnimationPlayerCollection* collection =
|
|
static_cast<AnimationPlayerCollection*>(aPropertyValue);
|
|
#ifdef DEBUG
|
|
MOZ_ASSERT(!collection->mCalledPropertyDtor, "can't call dtor twice");
|
|
collection->mCalledPropertyDtor = true;
|
|
#endif
|
|
delete collection;
|
|
}
|
|
|
|
void
|
|
AnimationPlayerCollection::Tick()
|
|
{
|
|
for (size_t playerIdx = 0, playerEnd = mPlayers.Length();
|
|
playerIdx != playerEnd; playerIdx++) {
|
|
mPlayers[playerIdx]->Tick();
|
|
}
|
|
}
|
|
|
|
void
|
|
AnimationPlayerCollection::EnsureStyleRuleFor(TimeStamp aRefreshTime,
|
|
EnsureStyleRuleFlags aFlags)
|
|
{
|
|
if (!mNeedsRefreshes) {
|
|
mStyleRuleRefreshTime = aRefreshTime;
|
|
return;
|
|
}
|
|
|
|
// If we're performing animations on the compositor thread, then we can skip
|
|
// most of the work in this method. But even if we are throttled, then we
|
|
// have to do the work if an animation is ending in order to get correct end
|
|
// of animation behavior (the styles of the animation disappear, or the fill
|
|
// mode behavior). CanThrottle returns false for any finishing animations
|
|
// so we can force style recalculation in that case.
|
|
if (aFlags == EnsureStyleRule_IsThrottled) {
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
if (!mPlayers[playerIdx]->CanThrottle()) {
|
|
aFlags = EnsureStyleRule_IsNotThrottled;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (aFlags == EnsureStyleRule_IsThrottled) {
|
|
return;
|
|
}
|
|
|
|
// mStyleRule may be null and valid, if we have no style to apply.
|
|
if (mStyleRuleRefreshTime.IsNull() ||
|
|
mStyleRuleRefreshTime != aRefreshTime) {
|
|
mStyleRuleRefreshTime = aRefreshTime;
|
|
mStyleRule = nullptr;
|
|
// We'll set mNeedsRefreshes to true below in all cases where we need them.
|
|
mNeedsRefreshes = false;
|
|
|
|
// If multiple animations specify behavior for the same property the
|
|
// animation which occurs last in the value of animation-name wins.
|
|
// As a result, we iterate from last animation to first and, if a
|
|
// property has already been set, we don't leave it.
|
|
nsCSSPropertySet properties;
|
|
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
mPlayers[playerIdx]->ComposeStyle(mStyleRule, properties,
|
|
mNeedsRefreshes);
|
|
}
|
|
}
|
|
|
|
mManager->CheckNeedsRefresh();
|
|
|
|
// If one of our animations just started or stopped filling, we need
|
|
// to notify the transition manager. This does the notification a bit
|
|
// more than necessary, but it's easier than doing it exactly.
|
|
if (mManager->IsAnimationManager()) {
|
|
mManager->mPresContext->TransitionManager()->
|
|
UpdateCascadeResultsWithAnimations(this);
|
|
}
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::CanThrottleTransformChanges(TimeStamp aTime)
|
|
{
|
|
if (!nsLayoutUtils::AreAsyncAnimationsEnabled()) {
|
|
return false;
|
|
}
|
|
|
|
// If we know that the animation cannot cause overflow,
|
|
// we can just disable flushes for this animation.
|
|
|
|
// If we don't show scrollbars, we don't care about overflow.
|
|
if (LookAndFeel::GetInt(LookAndFeel::eIntID_ShowHideScrollbars) == 0) {
|
|
return true;
|
|
}
|
|
|
|
// If this animation can cause overflow, we can throttle some of the ticks.
|
|
if (!mStyleRuleRefreshTime.IsNull() &&
|
|
(aTime - mStyleRuleRefreshTime) < TimeDuration::FromMilliseconds(200)) {
|
|
return true;
|
|
}
|
|
|
|
// If the nearest scrollable ancestor has overflow:hidden,
|
|
// we don't care about overflow.
|
|
nsIScrollableFrame* scrollable = nsLayoutUtils::GetNearestScrollableFrame(
|
|
nsLayoutUtils::GetStyleFrame(mElement));
|
|
if (!scrollable) {
|
|
return true;
|
|
}
|
|
|
|
ScrollbarStyles ss = scrollable->GetScrollbarStyles();
|
|
if (ss.mVertical == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
ss.mHorizontal == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
scrollable->GetLogicalScrollPosition() == nsPoint(0, 0)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::CanThrottleAnimation(TimeStamp aTime)
|
|
{
|
|
nsIFrame* frame = nsLayoutUtils::GetStyleFrame(mElement);
|
|
if (!frame) {
|
|
return false;
|
|
}
|
|
|
|
|
|
const auto& info = css::CommonAnimationManager::sLayerAnimationInfo;
|
|
for (size_t i = 0; i < ArrayLength(info); i++) {
|
|
auto record = info[i];
|
|
if (!HasAnimationOfProperty(record.mProperty)) {
|
|
continue;
|
|
}
|
|
|
|
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
frame, record.mLayerType);
|
|
if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
|
|
return false;
|
|
}
|
|
|
|
if (record.mProperty == eCSSProperty_transform &&
|
|
!CanThrottleTransformChanges(aTime)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
AnimationPlayerCollection::UpdateAnimationGeneration(
|
|
nsPresContext* aPresContext)
|
|
{
|
|
mAnimationGeneration =
|
|
aPresContext->RestyleManager()->GetAnimationGeneration();
|
|
}
|
|
|
|
void
|
|
AnimationPlayerCollection::UpdateCheckGeneration(
|
|
nsPresContext* aPresContext)
|
|
{
|
|
mCheckGeneration =
|
|
aPresContext->RestyleManager()->GetAnimationGeneration();
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::HasCurrentAnimations() const
|
|
{
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
if (mPlayers[playerIdx]->HasCurrentSource()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::HasCurrentAnimationsForProperty(nsCSSProperty
|
|
aProperty) const
|
|
{
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
const AnimationPlayer& player = *mPlayers[playerIdx];
|
|
const Animation* anim = player.GetSource();
|
|
if (anim &&
|
|
anim->IsCurrent(player) &&
|
|
anim->HasAnimationOfProperty(aProperty)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|