mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
04e0f33548
This patch adds the WebIDL definitions and implementation of getAnimationPlayers on Element. It does not include the full definition of AnimationPlayer but only readonly versions of the currentTime and startTime attributes since these are easy to implement and enable identifying the different animations that are returned for the sake of testing. Web Animations defines getAnimationPlayers as only returning the animations that are either running or will run in the future (known as "current" animations). This will likely change since it seems desirable to be able query animations that have finished but are applying a forwards fill. For now, however, this patch makes us only return animations that have not finished. This patch also removes an assertion in ElementAnimation::GetLocalTime that would fail if called on a finished transition. This assertion is no longer necessary since an earlier patch in this series removed the overloading of the animation start time that meant calling this on a finished transition was unsafe. Furthermore, this assertion, if it were not removed, would fail if script holds onto a transition and queries its start time after it completed.
1066 lines
35 KiB
C++
1066 lines
35 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 "mozilla/dom/AnimationPlayerBinding.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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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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ElementAnimationCollection* head =
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static_cast<ElementAnimationCollection*>(
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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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ElementAnimationCollection*
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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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ElementAnimationCollection* collection =
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static_cast<ElementAnimationCollection*>(
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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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ElementAnimationCollection::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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/* 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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already_AddRefed<nsStyleContext>
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CommonAnimationManager::ReparentContent(nsIContent* aContent,
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nsStyleContext* aParentStyle)
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{
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nsStyleSet* styleSet = mPresContext->PresShell()->StyleSet();
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nsIFrame* primaryFrame = nsLayoutUtils::GetStyleFrame(aContent);
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if (!primaryFrame) {
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return nullptr;
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}
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dom::Element* element = aContent->IsElement()
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? aContent->AsElement()
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: nullptr;
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nsRefPtr<nsStyleContext> newStyle =
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styleSet->ReparentStyleContext(primaryFrame->StyleContext(),
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aParentStyle, element);
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primaryFrame->SetStyleContext(newStyle);
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ReparentBeforeAndAfter(element, primaryFrame, newStyle, styleSet);
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return newStyle.forget();
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}
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/* static */ void
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CommonAnimationManager::ReparentBeforeAndAfter(dom::Element* aElement,
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nsIFrame* aPrimaryFrame,
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nsStyleContext* aNewStyle,
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nsStyleSet* aStyleSet)
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{
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if (nsIFrame* before = nsLayoutUtils::GetBeforeFrame(aPrimaryFrame)) {
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nsRefPtr<nsStyleContext> beforeStyle =
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aStyleSet->ReparentStyleContext(before->StyleContext(),
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aNewStyle, aElement);
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before->SetStyleContext(beforeStyle);
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}
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if (nsIFrame* after = nsLayoutUtils::GetBeforeFrame(aPrimaryFrame)) {
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nsRefPtr<nsStyleContext> afterStyle =
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aStyleSet->ReparentStyleContext(after->StyleContext(),
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aNewStyle, aElement);
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after->SetStyleContext(afterStyle);
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}
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}
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nsStyleContext*
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CommonAnimationManager::UpdateThrottledStyle(dom::Element* aElement,
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nsStyleContext* aParentStyle,
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nsStyleChangeList& aChangeList)
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{
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NS_ASSERTION(mPresContext->TransitionManager()->GetElementTransitions(
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aElement,
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nsCSSPseudoElements::ePseudo_NotPseudoElement,
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false) ||
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mPresContext->AnimationManager()->GetElementAnimations(
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aElement,
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nsCSSPseudoElements::ePseudo_NotPseudoElement,
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false), "element not animated");
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nsIFrame* primaryFrame = nsLayoutUtils::GetStyleFrame(aElement);
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if (!primaryFrame) {
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return nullptr;
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}
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nsStyleContext* oldStyle = primaryFrame->StyleContext();
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nsRuleNode* ruleNode = oldStyle->RuleNode();
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nsTArray<nsStyleSet::RuleAndLevel> rules;
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do {
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if (ruleNode->IsRoot()) {
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break;
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}
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nsStyleSet::RuleAndLevel curRule;
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curRule.mLevel = ruleNode->GetLevel();
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if (curRule.mLevel == nsStyleSet::eAnimationSheet) {
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ElementAnimationCollection* collection =
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mPresContext->AnimationManager()->GetElementAnimations(
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aElement,
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oldStyle->GetPseudoType(),
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false);
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NS_ASSERTION(collection,
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"Rule has level eAnimationSheet without animation on manager");
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mPresContext->AnimationManager()->UpdateStyleAndEvents(
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collection, mPresContext->RefreshDriver()->MostRecentRefresh(),
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EnsureStyleRule_IsNotThrottled);
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curRule.mRule = collection->mStyleRule;
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} else if (curRule.mLevel == nsStyleSet::eTransitionSheet) {
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ElementAnimationCollection* collection =
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mPresContext->TransitionManager()->GetElementTransitions(
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aElement,
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oldStyle->GetPseudoType(),
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false);
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NS_ASSERTION(collection,
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"Rule has level eTransitionSheet without transition on manager");
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collection->EnsureStyleRuleFor(
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mPresContext->RefreshDriver()->MostRecentRefresh(),
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EnsureStyleRule_IsNotThrottled);
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curRule.mRule = collection->mStyleRule;
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} else {
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curRule.mRule = ruleNode->GetRule();
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}
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if (curRule.mRule) {
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rules.AppendElement(curRule);
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}
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} while ((ruleNode = ruleNode->GetParent()));
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nsRefPtr<nsStyleContext> newStyle = mPresContext->PresShell()->StyleSet()->
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ResolveStyleForRules(aParentStyle, oldStyle, rules);
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// We absolutely must call CalcStyleDifference in order to ensure the
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// new context has all the structs cached that the old context had.
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// We also need it for processing of the changes.
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nsChangeHint styleChange =
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oldStyle->CalcStyleDifference(newStyle, nsChangeHint(0));
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aChangeList.AppendChange(primaryFrame, primaryFrame->GetContent(),
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styleChange);
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primaryFrame->SetStyleContext(newStyle);
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ReparentBeforeAndAfter(aElement, primaryFrame, newStyle,
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mPresContext->PresShell()->StyleSet());
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return newStyle;
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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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void
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ComputedTimingFunction::Init(const nsTimingFunction &aFunction)
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{
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mType = aFunction.mType;
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if (mType == nsTimingFunction::Function) {
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mTimingFunction.Init(aFunction.mFunc.mX1, aFunction.mFunc.mY1,
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aFunction.mFunc.mX2, aFunction.mFunc.mY2);
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} else {
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mSteps = aFunction.mSteps;
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}
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}
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static inline double
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StepEnd(uint32_t aSteps, double aPortion)
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{
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NS_ABORT_IF_FALSE(0.0 <= aPortion && aPortion <= 1.0, "out of range");
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uint32_t step = uint32_t(aPortion * aSteps); // floor
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return double(step) / double(aSteps);
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}
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double
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ComputedTimingFunction::GetValue(double aPortion) const
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{
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switch (mType) {
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case nsTimingFunction::Function:
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return mTimingFunction.GetSplineValue(aPortion);
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case nsTimingFunction::StepStart:
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// There are diagrams in the spec that seem to suggest this check
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// and the bounds point should not be symmetric with StepEnd, but
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// should actually step up at rather than immediately after the
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// fraction points. However, we rely on rounding negative values
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// up to zero, so we can't do that. And it's not clear the spec
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// really meant it.
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return 1.0 - StepEnd(mSteps, 1.0 - aPortion);
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default:
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NS_ABORT_IF_FALSE(false, "bad type");
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// fall through
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case nsTimingFunction::StepEnd:
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return StepEnd(mSteps, aPortion);
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}
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}
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} /* end sub-namespace css */
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// In the Web Animations model, the time fraction can be outside the range
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// [0.0, 1.0] but it shouldn't be Infinity.
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const double ComputedTiming::kNullTimeFraction =
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mozilla::PositiveInfinity<double>();
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(ElementAnimation, mTimeline)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(ElementAnimation, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(ElementAnimation, Release)
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JSObject*
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ElementAnimation::WrapObject(JSContext* aCx)
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{
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return dom::AnimationPlayerBinding::Wrap(aCx, this);
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}
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double
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ElementAnimation::StartTime() const
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{
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Nullable<double> startTime = mTimeline->ToTimelineTime(mStartTime);
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return startTime.IsNull() ? 0.0 : startTime.Value();
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}
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double
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ElementAnimation::CurrentTime() const
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{
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TimeStamp now = mTimeline->GetCurrentTimeStamp();
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// |now| should only be null when we don't have a refresh driver.
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//
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// If we previously had a refresh driver, the correct thing would be to store
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// the last refresh time in the AnimationTimeline, return that from
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// GetCurrentTimeStamp and use that here.
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//
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// If we never had a refresh driver then any start times would be null we can
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// do here is return 0 (that is, until we allow returning a null start time).
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//
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// Since we don't yet record the last refresh time we just return 0 in both
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// cases.
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if (now.IsNull()) {
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return 0.0;
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}
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return GetLocalTimeAt(now).ToMilliseconds();
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}
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bool
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ElementAnimation::IsRunningAt(TimeStamp aTime) const
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{
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if (IsPaused() || IsFinishedTransition()) {
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return false;
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}
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ComputedTiming computedTiming =
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GetComputedTimingAt(GetLocalTimeAt(aTime), mTiming);
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return computedTiming.mPhase == ComputedTiming::AnimationPhase_Active;
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}
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bool
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ElementAnimation::IsCurrentAt(TimeStamp aTime) const
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{
|
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if (IsFinishedTransition()) {
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return false;
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}
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ComputedTiming computedTiming =
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GetComputedTimingAt(GetLocalTimeAt(aTime), mTiming);
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return computedTiming.mPhase == ComputedTiming::AnimationPhase_Before ||
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computedTiming.mPhase == ComputedTiming::AnimationPhase_Active;
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}
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bool
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ElementAnimation::HasAnimationOfProperty(nsCSSProperty aProperty) const
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{
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for (uint32_t propIdx = 0, propEnd = mProperties.Length();
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propIdx != propEnd; ++propIdx) {
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if (aProperty == mProperties[propIdx].mProperty) {
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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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|
|
ComputedTiming
|
|
ElementAnimation::GetComputedTimingAt(TimeDuration aLocalTime,
|
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const AnimationTiming& aTiming)
|
|
{
|
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const TimeDuration zeroDuration;
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|
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// Currently we expect negative durations to be picked up during CSS
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// parsing but when we start receiving timing parameters from other sources
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// we will need to clamp negative durations here.
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// For now, if we're hitting this it probably means we've overflowing
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// integer arithmetic in mozilla::TimeStamp.
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MOZ_ASSERT(aTiming.mIterationDuration >= zeroDuration,
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"Expecting iteration duration >= 0");
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// Always return the same object to benefit from return-value optimization.
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ComputedTiming result;
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result.mActiveDuration = ActiveDuration(aTiming);
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|
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// When we finish exactly at the end of an iteration we need to report
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|
// the end of the final iteration and not the start of the next iteration
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// so we set up a flag for that case.
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bool isEndOfFinalIteration = false;
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|
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// Get the normalized time within the active interval.
|
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TimeDuration activeTime;
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if (aLocalTime >= aTiming.mDelay + result.mActiveDuration) {
|
|
result.mPhase = ComputedTiming::AnimationPhase_After;
|
|
if (!aTiming.FillsForwards()) {
|
|
// The animation isn't active or filling at this time.
|
|
result.mTimeFraction = ComputedTiming::kNullTimeFraction;
|
|
return result;
|
|
}
|
|
activeTime = result.mActiveDuration;
|
|
// Note that infinity == floor(infinity) so this will also be true when we
|
|
// have finished an infinitely repeating animation of zero duration.
|
|
isEndOfFinalIteration =
|
|
aTiming.mIterationCount != 0.0 &&
|
|
aTiming.mIterationCount == floor(aTiming.mIterationCount);
|
|
} else if (aLocalTime < aTiming.mDelay) {
|
|
result.mPhase = ComputedTiming::AnimationPhase_Before;
|
|
if (!aTiming.FillsBackwards()) {
|
|
// The animation isn't active or filling at this time.
|
|
result.mTimeFraction = ComputedTiming::kNullTimeFraction;
|
|
return result;
|
|
}
|
|
// activeTime is zero
|
|
} else {
|
|
MOZ_ASSERT(result.mActiveDuration != zeroDuration,
|
|
"How can we be in the middle of a zero-duration interval?");
|
|
result.mPhase = ComputedTiming::AnimationPhase_Active;
|
|
activeTime = aLocalTime - aTiming.mDelay;
|
|
}
|
|
|
|
// Get the position within the current iteration.
|
|
TimeDuration iterationTime;
|
|
if (aTiming.mIterationDuration != zeroDuration) {
|
|
iterationTime = isEndOfFinalIteration
|
|
? aTiming.mIterationDuration
|
|
: activeTime % aTiming.mIterationDuration;
|
|
} /* else, iterationTime is zero */
|
|
|
|
// Determine the 0-based index of the current iteration.
|
|
if (isEndOfFinalIteration) {
|
|
result.mCurrentIteration =
|
|
aTiming.mIterationCount == NS_IEEEPositiveInfinity()
|
|
? UINT64_MAX // FIXME: When we return this via the API we'll need
|
|
// to make sure it ends up being infinity.
|
|
: static_cast<uint64_t>(aTiming.mIterationCount) - 1;
|
|
} else if (activeTime == zeroDuration) {
|
|
// If the active time is zero we're either in the first iteration
|
|
// (including filling backwards) or we have finished an animation with an
|
|
// iteration duration of zero that is filling forwards (but we're not at
|
|
// the exact end of an iteration since we deal with that above).
|
|
result.mCurrentIteration =
|
|
result.mPhase == ComputedTiming::AnimationPhase_After
|
|
? static_cast<uint64_t>(aTiming.mIterationCount) // floor
|
|
: 0;
|
|
} else {
|
|
result.mCurrentIteration =
|
|
static_cast<uint64_t>(activeTime / aTiming.mIterationDuration); // floor
|
|
}
|
|
|
|
// Normalize the iteration time into a fraction of the iteration duration.
|
|
if (result.mPhase == ComputedTiming::AnimationPhase_Before) {
|
|
result.mTimeFraction = 0.0;
|
|
} else if (result.mPhase == ComputedTiming::AnimationPhase_After) {
|
|
result.mTimeFraction = isEndOfFinalIteration
|
|
? 1.0
|
|
: fmod(aTiming.mIterationCount, 1.0f);
|
|
} else {
|
|
// We are in the active phase so the iteration duration can't be zero.
|
|
MOZ_ASSERT(aTiming.mIterationDuration != zeroDuration,
|
|
"In the active phase of a zero-duration animation?");
|
|
result.mTimeFraction =
|
|
aTiming.mIterationDuration == TimeDuration::Forever()
|
|
? 0.0
|
|
: iterationTime / aTiming.mIterationDuration;
|
|
}
|
|
|
|
bool thisIterationReverse = false;
|
|
switch (aTiming.mDirection) {
|
|
case NS_STYLE_ANIMATION_DIRECTION_NORMAL:
|
|
thisIterationReverse = false;
|
|
break;
|
|
case NS_STYLE_ANIMATION_DIRECTION_REVERSE:
|
|
thisIterationReverse = true;
|
|
break;
|
|
case NS_STYLE_ANIMATION_DIRECTION_ALTERNATE:
|
|
thisIterationReverse = (result.mCurrentIteration & 1) == 1;
|
|
break;
|
|
case NS_STYLE_ANIMATION_DIRECTION_ALTERNATE_REVERSE:
|
|
thisIterationReverse = (result.mCurrentIteration & 1) == 0;
|
|
break;
|
|
}
|
|
if (thisIterationReverse) {
|
|
result.mTimeFraction = 1.0 - result.mTimeFraction;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
TimeDuration
|
|
ElementAnimation::ActiveDuration(const AnimationTiming& aTiming)
|
|
{
|
|
if (aTiming.mIterationCount == mozilla::PositiveInfinity<float>()) {
|
|
// An animation that repeats forever has an infinite active duration
|
|
// unless its iteration duration is zero, in which case it has a zero
|
|
// active duration.
|
|
const TimeDuration zeroDuration;
|
|
return aTiming.mIterationDuration == zeroDuration
|
|
? zeroDuration
|
|
: TimeDuration::Forever();
|
|
}
|
|
return aTiming.mIterationDuration.MultDouble(aTiming.mIterationCount);
|
|
}
|
|
|
|
bool
|
|
ElementAnimationCollection::CanAnimatePropertyOnCompositor(
|
|
const dom::Element *aElement,
|
|
nsCSSProperty aProperty,
|
|
CanAnimateFlags aFlags)
|
|
{
|
|
bool shouldLog = nsLayoutUtils::IsAnimationLoggingEnabled();
|
|
if (!gfxPlatform::OffMainThreadCompositingEnabled()) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Compositor disabled");
|
|
LogAsyncAnimationFailure(message);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsIFrame* frame = nsLayoutUtils::GetStyleFrame(aElement);
|
|
if (IsGeometricProperty(aProperty)) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Async animation of geometric property '");
|
|
message.Append(nsCSSProps::GetStringValue(aProperty));
|
|
message.AppendLiteral("' is disabled");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
if (aProperty == eCSSProperty_transform) {
|
|
if (frame->Preserves3D() &&
|
|
frame->Preserves3DChildren()) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Gecko bug: Async animation of 'preserve-3d' transforms is not supported. See bug 779598");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
if (frame->IsSVGTransformed()) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Gecko bug: Async 'transform' animations of frames with SVG transforms is not supported. See bug 779599");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
if (aFlags & CanAnimate_HasGeometricProperty) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Async animation of 'transform' not possible due to presence of geometric properties");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
bool enabled = nsLayoutUtils::AreAsyncAnimationsEnabled();
|
|
if (!enabled && shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Async animations are disabled");
|
|
LogAsyncAnimationFailure(message);
|
|
}
|
|
bool propertyAllowed = (aProperty == eCSSProperty_transform) ||
|
|
(aProperty == eCSSProperty_opacity) ||
|
|
(aFlags & CanAnimate_AllowPartial);
|
|
return enabled && propertyAllowed;
|
|
}
|
|
|
|
/* static */ bool
|
|
ElementAnimationCollection::IsCompositorAnimationDisabledForFrame(
|
|
nsIFrame* aFrame)
|
|
{
|
|
void* prop = aFrame->Properties().Get(nsIFrame::RefusedAsyncAnimation());
|
|
return bool(reinterpret_cast<intptr_t>(prop));
|
|
}
|
|
|
|
bool
|
|
ElementAnimationCollection::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;
|
|
}
|
|
|
|
TimeStamp now = frame->PresContext()->RefreshDriver()->MostRecentRefresh();
|
|
|
|
for (uint32_t animIdx = mAnimations.Length(); animIdx-- != 0; ) {
|
|
const ElementAnimation* anim = mAnimations[animIdx];
|
|
bool isRunning = anim->IsRunningAt(now);
|
|
for (uint32_t propIdx = 0, propEnd = anim->mProperties.Length();
|
|
propIdx != propEnd; ++propIdx) {
|
|
if (IsGeometricProperty(anim->mProperties[propIdx].mProperty) &&
|
|
isRunning) {
|
|
aFlags = CanAnimateFlags(aFlags | CanAnimate_HasGeometricProperty);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool existsProperty = false;
|
|
for (uint32_t animIdx = mAnimations.Length(); animIdx-- != 0; ) {
|
|
const ElementAnimation* anim = mAnimations[animIdx];
|
|
if (!anim->IsRunningAt(now)) {
|
|
continue;
|
|
}
|
|
|
|
existsProperty = true;
|
|
|
|
for (uint32_t propIdx = 0, propEnd = anim->mProperties.Length();
|
|
propIdx != propEnd; ++propIdx) {
|
|
const AnimationProperty& prop = anim->mProperties[propIdx];
|
|
if (!CanAnimatePropertyOnCompositor(mElement,
|
|
prop.mProperty,
|
|
aFlags) ||
|
|
IsCompositorAnimationDisabledForFrame(frame)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// No properties to animate
|
|
if (!existsProperty) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ElementAnimationCollection::HasAnimationOfProperty(
|
|
nsCSSProperty aProperty) const
|
|
{
|
|
for (uint32_t animIdx = mAnimations.Length(); animIdx-- != 0; ) {
|
|
const ElementAnimation* anim = mAnimations[animIdx];
|
|
if (anim->HasAnimationOfProperty(aProperty) &&
|
|
!anim->IsFinishedTransition()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* static */ void
|
|
ElementAnimationCollection::LogAsyncAnimationFailure(nsCString& aMessage,
|
|
const nsIContent* aContent)
|
|
{
|
|
if (aContent) {
|
|
aMessage.AppendLiteral(" [");
|
|
aMessage.Append(nsAtomCString(aContent->Tag()));
|
|
|
|
nsIAtom* id = aContent->GetID();
|
|
if (id) {
|
|
aMessage.AppendLiteral(" with id '");
|
|
aMessage.Append(nsAtomCString(aContent->GetID()));
|
|
aMessage.Append('\'');
|
|
}
|
|
aMessage.Append(']');
|
|
}
|
|
aMessage.Append('\n');
|
|
printf_stderr(aMessage.get());
|
|
}
|
|
|
|
/*static*/ void
|
|
ElementAnimationCollection::PropertyDtor(void *aObject, nsIAtom *aPropertyName,
|
|
void *aPropertyValue, void *aData)
|
|
{
|
|
ElementAnimationCollection* collection =
|
|
static_cast<ElementAnimationCollection*>(aPropertyValue);
|
|
#ifdef DEBUG
|
|
NS_ABORT_IF_FALSE(!collection->mCalledPropertyDtor, "can't call dtor twice");
|
|
collection->mCalledPropertyDtor = true;
|
|
#endif
|
|
delete collection;
|
|
}
|
|
|
|
void
|
|
ElementAnimationCollection::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 behaviour (the styles of the animation disappear, or the fill
|
|
// mode behaviour). This loop checks for any finishing animations and forces
|
|
// the style recalculation if we find any.
|
|
if (aFlags == EnsureStyleRule_IsThrottled) {
|
|
for (uint32_t animIdx = mAnimations.Length(); animIdx-- != 0; ) {
|
|
ElementAnimation* anim = mAnimations[animIdx];
|
|
|
|
// Skip finished transitions or animations whose @keyframes rule
|
|
// is empty.
|
|
if (anim->IsFinishedTransition() || anim->mProperties.IsEmpty()) {
|
|
continue;
|
|
}
|
|
|
|
// The GetLocalTimeAt() call here handles pausing. But:
|
|
// FIXME: avoid recalculating every time when paused.
|
|
TimeDuration localTime = anim->GetLocalTimeAt(aRefreshTime);
|
|
ComputedTiming computedTiming =
|
|
ElementAnimation::GetComputedTimingAt(localTime, anim->mTiming);
|
|
|
|
// XXX We shouldn't really be using mLastNotification as a general
|
|
// indicator that the animation has finished, it should be reserved for
|
|
// events. If we use it differently in the future this use might need
|
|
// changing.
|
|
if (!anim->mIsRunningOnCompositor ||
|
|
(computedTiming.mPhase == ComputedTiming::AnimationPhase_After &&
|
|
anim->mLastNotification != ElementAnimation::LAST_NOTIFICATION_END))
|
|
{
|
|
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;
|
|
|
|
// FIXME(spec): assume that properties in higher animations override
|
|
// those in lower ones.
|
|
// Therefore, we iterate from last animation to first.
|
|
nsCSSPropertySet properties;
|
|
|
|
for (uint32_t animIdx = mAnimations.Length(); animIdx-- != 0; ) {
|
|
ElementAnimation* anim = mAnimations[animIdx];
|
|
|
|
if (anim->IsFinishedTransition()) {
|
|
continue;
|
|
}
|
|
|
|
// The GetLocalTimeAt() call here handles pausing. But:
|
|
// FIXME: avoid recalculating every time when paused.
|
|
TimeDuration localTime = anim->GetLocalTimeAt(aRefreshTime);
|
|
ComputedTiming computedTiming =
|
|
ElementAnimation::GetComputedTimingAt(localTime, anim->mTiming);
|
|
|
|
if ((computedTiming.mPhase == ComputedTiming::AnimationPhase_Before ||
|
|
computedTiming.mPhase == ComputedTiming::AnimationPhase_Active) &&
|
|
!anim->IsPaused()) {
|
|
mNeedsRefreshes = true;
|
|
}
|
|
|
|
// If the time fraction is null, we don't have fill data for the current
|
|
// time so we shouldn't animate.
|
|
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]");
|
|
|
|
for (uint32_t propIdx = 0, propEnd = anim->mProperties.Length();
|
|
propIdx != propEnd; ++propIdx)
|
|
{
|
|
const AnimationProperty &prop = anim->mProperties[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
|
|
ElementAnimationCollection::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
|
|
ElementAnimationCollection::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
|
|
ElementAnimationCollection::UpdateAnimationGeneration(
|
|
nsPresContext* aPresContext)
|
|
{
|
|
mAnimationGeneration =
|
|
aPresContext->RestyleManager()->GetAnimationGeneration();
|
|
}
|
|
|
|
bool
|
|
ElementAnimationCollection::HasCurrentAnimationsAt(TimeStamp aTime)
|
|
{
|
|
for (uint32_t animIdx = mAnimations.Length(); animIdx-- != 0; ) {
|
|
if (mAnimations[animIdx]->IsCurrentAt(aTime)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|