mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
0ff448bbbf
This shouldn't behave differently depending on whether or not logging is enabled; that difference was introduced in bug 785648.
533 lines
16 KiB
C++
533 lines
16 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 "gfxPlatform.h"
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#include "nsRuleData.h"
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#include "nsCSSValue.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 namespace mozilla::layers;
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namespace mozilla {
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namespace css {
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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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CommonAnimationManager::CommonAnimationManager(nsPresContext *aPresContext)
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: mPresContext(aPresContext)
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{
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PR_INIT_CLIST(&mElementData);
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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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RemoveAllElementData();
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mPresContext = nullptr;
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}
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void
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CommonAnimationManager::RemoveAllElementData()
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{
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while (!PR_CLIST_IS_EMPTY(&mElementData)) {
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CommonElementAnimationData *head =
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static_cast<CommonElementAnimationData*>(PR_LIST_HEAD(&mElementData));
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head->Destroy();
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}
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}
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/*
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* nsISupports implementation
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*/
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NS_IMPL_ISUPPORTS1(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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// - mElementData
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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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nsStyleAnimation::Value& aComputedValue)
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{
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bool result =
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nsStyleAnimation::ExtractComputedValue(aProperty, 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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nsStyleAnimation::eUnit_Enumerated,
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"unexpected unit");
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aComputedValue.SetIntValue(aComputedValue.GetIntValue(),
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nsStyleAnimation::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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ElementAnimations* ea =
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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(ea,
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"Rule has level eAnimationSheet without animation on manager");
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mPresContext->AnimationManager()->EnsureStyleRuleFor(ea);
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curRule.mRule = ea->mStyleRule;
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} else if (curRule.mLevel == nsStyleSet::eTransitionSheet) {
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ElementTransitions *et =
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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(et,
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"Rule has level eTransitionSheet without transition on manager");
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et->EnsureStyleRuleFor(mPresContext->RefreshDriver()->MostRecentRefresh());
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curRule.mRule = et->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_ISUPPORTS1(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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nsStyleAnimation::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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nsStyleAnimation::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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bool
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CommonElementAnimationData::CanAnimatePropertyOnCompositor(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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CommonElementAnimationData::IsCompositorAnimationDisabledForFrame(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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/* static */ void
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CommonElementAnimationData::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.AppendLiteral("'");
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}
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aMessage.AppendLiteral("]");
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}
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aMessage.AppendLiteral("\n");
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printf_stderr(aMessage.get());
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}
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bool
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CommonElementAnimationData::CanThrottleTransformChanges(TimeStamp aTime)
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{
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if (!nsLayoutUtils::AreAsyncAnimationsEnabled()) {
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return false;
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}
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// If we know that the animation cannot cause overflow,
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// we can just disable flushes for this animation.
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// If we don't show scrollbars, we don't care about overflow.
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if (LookAndFeel::GetInt(LookAndFeel::eIntID_ShowHideScrollbars) == 0) {
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return true;
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}
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// If this animation can cause overflow, we can throttle some of the ticks.
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if ((aTime - mStyleRuleRefreshTime) < TimeDuration::FromMilliseconds(200)) {
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return true;
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}
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// If the nearest scrollable ancestor has overflow:hidden,
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// we don't care about overflow.
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nsIScrollableFrame* scrollable = nsLayoutUtils::GetNearestScrollableFrame(
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nsLayoutUtils::GetStyleFrame(mElement));
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if (!scrollable) {
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return true;
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}
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ScrollbarStyles ss = scrollable->GetScrollbarStyles();
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if (ss.mVertical == NS_STYLE_OVERFLOW_HIDDEN &&
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ss.mHorizontal == NS_STYLE_OVERFLOW_HIDDEN &&
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scrollable->GetLogicalScrollPosition() == nsPoint(0, 0)) {
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return true;
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}
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return false;
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}
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bool
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CommonElementAnimationData::CanThrottleAnimation(TimeStamp aTime)
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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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bool hasTransform = HasAnimationOfProperty(eCSSProperty_transform);
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bool hasOpacity = HasAnimationOfProperty(eCSSProperty_opacity);
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if (hasOpacity) {
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Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
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frame, nsDisplayItem::TYPE_OPACITY);
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if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
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return false;
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}
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}
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if (!hasTransform) {
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return true;
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}
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Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
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frame, nsDisplayItem::TYPE_TRANSFORM);
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if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
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return false;
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}
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return CanThrottleTransformChanges(aTime);
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}
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void
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CommonElementAnimationData::UpdateAnimationGeneration(nsPresContext* aPresContext)
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{
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mAnimationGeneration =
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aPresContext->RestyleManager()->GetAnimationGeneration();
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}
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|
|
|
}
|
|
}
|