зеркало из https://github.com/mozilla/gecko-dev.git
734 строки
23 KiB
C++
734 строки
23 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 "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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{
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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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NS_ABORT_IF_FALSE(!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::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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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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if (aProperty == eCSSProperty_opacity) {
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ActiveLayerTracker::NotifyAnimated(frame, eCSSProperty_opacity);
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} else if (aProperty == eCSSProperty_transform) {
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ActiveLayerTracker::NotifyAnimated(frame, eCSSProperty_transform);
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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 */ 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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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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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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/* 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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NS_ABORT_IF_FALSE(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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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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NS_ABORT_IF_FALSE(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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for (int32_t index = aIndent; --index >= 0; ) fputs(" ", out);
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fputs("[anim values] { ", out);
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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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nsAutoString value;
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StyleAnimationValue::UncomputeValue(pair.mProperty, pair.mValue, value);
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fprintf(out, "%s: %s; ", nsCSSProps::GetStringValue(pair.mProperty).get(),
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NS_ConvertUTF16toUTF8(value).get());
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}
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fputs("}\n", out);
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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());
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return bool(reinterpret_cast<intptr_t>(prop));
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}
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bool
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AnimationPlayerCollection::CanPerformOnCompositorThread(
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CanAnimateFlags aFlags) const
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{
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nsIFrame* frame = nsLayoutUtils::GetStyleFrame(mElement);
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if (!frame) {
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return false;
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}
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if (mElementProperty != nsGkAtoms::transitionsProperty &&
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mElementProperty != nsGkAtoms::animationsProperty) {
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if (nsLayoutUtils::IsAnimationLoggingEnabled()) {
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nsCString message;
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message.AppendLiteral("Gecko bug: Async animation of pseudoelements"
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" not supported. See bug 771367 (");
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message.Append(nsAtomCString(mElementProperty));
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message.Append(")");
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LogAsyncAnimationFailure(message, mElement);
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}
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return false;
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}
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for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
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const AnimationPlayer* player = mPlayers[playerIdx];
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if (!player->IsRunning() || !player->GetSource()) {
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continue;
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}
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const Animation* anim = player->GetSource();
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for (size_t propIdx = 0, propEnd = anim->Properties().Length();
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propIdx != propEnd; ++propIdx) {
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if (IsGeometricProperty(anim->Properties()[propIdx].mProperty)) {
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aFlags = CanAnimateFlags(aFlags | CanAnimate_HasGeometricProperty);
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break;
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}
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}
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}
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bool existsProperty = false;
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for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
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const AnimationPlayer* player = mPlayers[playerIdx];
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if (!player->IsRunning() || !player->GetSource()) {
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continue;
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}
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const Animation* anim = player->GetSource();
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existsProperty = existsProperty || anim->Properties().Length() > 0;
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for (size_t propIdx = 0, propEnd = anim->Properties().Length();
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propIdx != propEnd; ++propIdx) {
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const AnimationProperty& prop = anim->Properties()[propIdx];
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if (!CanAnimatePropertyOnCompositor(mElement,
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prop.mProperty,
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aFlags) ||
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IsCompositorAnimationDisabledForFrame(frame)) {
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return false;
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}
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}
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}
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// No properties to animate
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if (!existsProperty) {
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return false;
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}
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return true;
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}
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bool
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AnimationPlayerCollection::HasAnimationOfProperty(
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nsCSSProperty aProperty) const
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{
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for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
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const Animation* anim = mPlayers[playerIdx]->GetSource();
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if (anim && anim->HasAnimationOfProperty(aProperty) &&
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!anim->IsFinishedTransition()) {
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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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mozilla::dom::Element*
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AnimationPlayerCollection::GetElementToRestyle() const
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{
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if (IsForElement()) {
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return mElement;
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}
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nsIFrame* primaryFrame = mElement->GetPrimaryFrame();
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if (!primaryFrame) {
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return nullptr;
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}
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nsIFrame* pseudoFrame;
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if (IsForBeforePseudo()) {
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pseudoFrame = nsLayoutUtils::GetBeforeFrame(primaryFrame);
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} else if (IsForAfterPseudo()) {
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pseudoFrame = nsLayoutUtils::GetAfterFrame(primaryFrame);
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} else {
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MOZ_ASSERT(false, "unknown mElementProperty");
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return nullptr;
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}
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if (!pseudoFrame) {
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return nullptr;
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}
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return pseudoFrame->GetContent()->AsElement();
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}
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/* static */ void
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AnimationPlayerCollection::LogAsyncAnimationFailure(nsCString& aMessage,
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const nsIContent* aContent)
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{
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if (aContent) {
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aMessage.AppendLiteral(" [");
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aMessage.Append(nsAtomCString(aContent->Tag()));
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nsIAtom* 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*/ void
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AnimationPlayerCollection::PropertyDtor(void *aObject, nsIAtom *aPropertyName,
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void *aPropertyValue, void *aData)
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{
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AnimationPlayerCollection* collection =
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static_cast<AnimationPlayerCollection*>(aPropertyValue);
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#ifdef DEBUG
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NS_ABORT_IF_FALSE(!collection->mCalledPropertyDtor, "can't call dtor twice");
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collection->mCalledPropertyDtor = true;
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#endif
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delete collection;
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}
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void
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AnimationPlayerCollection::Tick()
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{
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for (size_t playerIdx = 0, playerEnd = mPlayers.Length();
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playerIdx != playerEnd; playerIdx++) {
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mPlayers[playerIdx]->Tick();
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}
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}
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void
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AnimationPlayerCollection::EnsureStyleRuleFor(TimeStamp aRefreshTime,
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EnsureStyleRuleFlags aFlags)
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{
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if (!mNeedsRefreshes) {
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mStyleRuleRefreshTime = aRefreshTime;
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return;
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}
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// If we're performing animations on the compositor thread, then we can skip
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// most of the work in this method. But even if we are throttled, then we
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// have to do the work if an animation is ending in order to get correct end
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// of animation behaviour (the styles of the animation disappear, or the fill
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// mode behaviour). This loop checks for any finishing animations and forces
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// the style recalculation if we find any.
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if (aFlags == EnsureStyleRule_IsThrottled) {
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for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
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AnimationPlayer* player = mPlayers[playerIdx];
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// Skip player with no source content, finished transitions, or animations
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// whose @keyframes rule is empty.
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if (!player->GetSource() ||
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player->GetSource()->IsFinishedTransition() ||
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player->GetSource()->Properties().IsEmpty()) {
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continue;
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}
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// The GetComputedTiming() call here handles pausing. But:
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// FIXME: avoid recalculating every time when paused.
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ComputedTiming computedTiming = player->GetSource()->GetComputedTiming();
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// XXX We shouldn't really be using LastNotification() as a general
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// indicator that the animation has finished, it should be reserved for
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// events. If we use it differently in the future this use might need
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// changing.
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if (!player->mIsRunningOnCompositor ||
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(computedTiming.mPhase == ComputedTiming::AnimationPhase_After &&
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player->GetSource()->LastNotification()
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!= Animation::LAST_NOTIFICATION_END))
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{
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aFlags = EnsureStyleRule_IsNotThrottled;
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break;
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}
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}
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}
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if (aFlags == EnsureStyleRule_IsThrottled) {
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return;
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}
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// mStyleRule may be null and valid, if we have no style to apply.
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if (mStyleRuleRefreshTime.IsNull() ||
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mStyleRuleRefreshTime != aRefreshTime) {
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mStyleRuleRefreshTime = aRefreshTime;
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mStyleRule = nullptr;
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// We'll set mNeedsRefreshes to true below in all cases where we need them.
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mNeedsRefreshes = false;
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// FIXME(spec): assume that properties in higher animations override
|
|
// those in lower ones.
|
|
// Therefore, we iterate from last animation to first.
|
|
nsCSSPropertySet properties;
|
|
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
AnimationPlayer* player = mPlayers[playerIdx];
|
|
|
|
if (!player->GetSource() || player->GetSource()->IsFinishedTransition()) {
|
|
continue;
|
|
}
|
|
|
|
// The GetComputedTiming() call here handles pausing. But:
|
|
// FIXME: avoid recalculating every time when paused.
|
|
ComputedTiming computedTiming = player->GetSource()->GetComputedTiming();
|
|
|
|
if ((computedTiming.mPhase == ComputedTiming::AnimationPhase_Before ||
|
|
computedTiming.mPhase == ComputedTiming::AnimationPhase_Active) &&
|
|
!player->IsPaused()) {
|
|
mNeedsRefreshes = true;
|
|
}
|
|
|
|
// If the time fraction is null, we don't have fill data for the current
|
|
// time so we shouldn't animate.
|
|
// Likewise, if the player has no source content.
|
|
if (computedTiming.mTimeFraction == ComputedTiming::kNullTimeFraction) {
|
|
continue;
|
|
}
|
|
|
|
NS_ABORT_IF_FALSE(0.0 <= computedTiming.mTimeFraction &&
|
|
computedTiming.mTimeFraction <= 1.0,
|
|
"timing fraction should be in [0-1]");
|
|
|
|
const Animation* anim = player->GetSource();
|
|
for (size_t propIdx = 0, propEnd = anim->Properties().Length();
|
|
propIdx != propEnd; ++propIdx)
|
|
{
|
|
const AnimationProperty& prop = anim->Properties()[propIdx];
|
|
|
|
NS_ABORT_IF_FALSE(prop.mSegments[0].mFromKey == 0.0,
|
|
"incorrect first from key");
|
|
NS_ABORT_IF_FALSE(prop.mSegments[prop.mSegments.Length() - 1].mToKey
|
|
== 1.0,
|
|
"incorrect last to key");
|
|
|
|
if (properties.HasProperty(prop.mProperty)) {
|
|
// A later animation already set this property.
|
|
continue;
|
|
}
|
|
properties.AddProperty(prop.mProperty);
|
|
|
|
NS_ABORT_IF_FALSE(prop.mSegments.Length() > 0,
|
|
"property should not be in animations if it "
|
|
"has no segments");
|
|
|
|
// FIXME: Maybe cache the current segment?
|
|
const AnimationPropertySegment *segment = prop.mSegments.Elements(),
|
|
*segmentEnd = segment + prop.mSegments.Length();
|
|
while (segment->mToKey < computedTiming.mTimeFraction) {
|
|
NS_ABORT_IF_FALSE(segment->mFromKey < segment->mToKey,
|
|
"incorrect keys");
|
|
++segment;
|
|
if (segment == segmentEnd) {
|
|
NS_ABORT_IF_FALSE(false, "incorrect time fraction");
|
|
break; // in order to continue in outer loop (just below)
|
|
}
|
|
NS_ABORT_IF_FALSE(segment->mFromKey == (segment-1)->mToKey,
|
|
"incorrect keys");
|
|
}
|
|
if (segment == segmentEnd) {
|
|
continue;
|
|
}
|
|
NS_ABORT_IF_FALSE(segment->mFromKey < segment->mToKey,
|
|
"incorrect keys");
|
|
NS_ABORT_IF_FALSE(segment >= prop.mSegments.Elements() &&
|
|
size_t(segment - prop.mSegments.Elements()) <
|
|
prop.mSegments.Length(),
|
|
"out of array bounds");
|
|
|
|
if (!mStyleRule) {
|
|
// Allocate the style rule now that we know we have animation data.
|
|
mStyleRule = new css::AnimValuesStyleRule();
|
|
}
|
|
|
|
double positionInSegment =
|
|
(computedTiming.mTimeFraction - segment->mFromKey) /
|
|
(segment->mToKey - segment->mFromKey);
|
|
double valuePosition =
|
|
segment->mTimingFunction.GetValue(positionInSegment);
|
|
|
|
StyleAnimationValue *val =
|
|
mStyleRule->AddEmptyValue(prop.mProperty);
|
|
|
|
#ifdef DEBUG
|
|
bool result =
|
|
#endif
|
|
StyleAnimationValue::Interpolate(prop.mProperty,
|
|
segment->mFromValue,
|
|
segment->mToValue,
|
|
valuePosition, *val);
|
|
NS_ABORT_IF_FALSE(result, "interpolate must succeed now");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
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 ((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;
|
|
}
|
|
|
|
bool hasTransform = HasAnimationOfProperty(eCSSProperty_transform);
|
|
bool hasOpacity = HasAnimationOfProperty(eCSSProperty_opacity);
|
|
if (hasOpacity) {
|
|
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
frame, nsDisplayItem::TYPE_OPACITY);
|
|
if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!hasTransform) {
|
|
return true;
|
|
}
|
|
|
|
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
frame, nsDisplayItem::TYPE_TRANSFORM);
|
|
if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
|
|
return false;
|
|
}
|
|
|
|
return CanThrottleTransformChanges(aTime);
|
|
}
|
|
|
|
void
|
|
AnimationPlayerCollection::UpdateAnimationGeneration(
|
|
nsPresContext* aPresContext)
|
|
{
|
|
mAnimationGeneration =
|
|
aPresContext->RestyleManager()->GetAnimationGeneration();
|
|
}
|
|
|
|
bool
|
|
AnimationPlayerCollection::HasCurrentAnimations()
|
|
{
|
|
for (size_t playerIdx = mPlayers.Length(); playerIdx-- != 0; ) {
|
|
if (mPlayers[playerIdx]->IsCurrent()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|