mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
510ffce362
This patch simply moves the code from ElementAnimations to ElementAnimation so that it can later be used in transitions code and so we can later move EnsureStyleRuleFor to ElementAnimation.
649 lines
20 KiB
C++
649 lines
20 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 mozilla::layers::Layer;
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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_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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// - 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_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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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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} /* 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 = NS_IEEEPositiveInfinity();
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bool
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ElementAnimation::IsRunningAt(TimeStamp aTime) const
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{
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if (IsPaused() || mTiming.mIterationDuration.ToMilliseconds() <= 0.0 ||
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mStartTime.IsNull()) {
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return false;
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}
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double iterationsElapsed =
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ElapsedDurationAt(aTime) / mTiming.mIterationDuration;
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return 0.0 <= iterationsElapsed &&
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iterationsElapsed < mTiming.mIterationCount;
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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
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ElementAnimation::GetComputedTimingAt(TimeDuration aElapsedDuration,
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const AnimationTiming& aTiming)
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{
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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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// Set |currentIterationCount| to the (fractional) number of
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// iterations we've completed up to the current position.
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double currentIterationCount = aElapsedDuration / aTiming.mIterationDuration;
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if (currentIterationCount >= aTiming.mIterationCount) {
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result.mPhase = ComputedTiming::AnimationPhase_After;
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if (!aTiming.FillsForwards()) {
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// The animation isn't active or filling at this time.
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result.mTimeFraction = ComputedTiming::kNullTimeFraction;
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return result;
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}
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currentIterationCount = aTiming.mIterationCount;
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} else if (currentIterationCount < 0.0) {
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result.mPhase = ComputedTiming::AnimationPhase_Before;
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if (!aTiming.FillsBackwards()) {
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// The animation isn't active or filling at this time.
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result.mTimeFraction = ComputedTiming::kNullTimeFraction;
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return result;
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}
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currentIterationCount = 0.0;
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} else {
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result.mPhase = ComputedTiming::AnimationPhase_Active;
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}
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// Set |positionInIteration| to the position from 0% to 100% along
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// the keyframes.
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NS_ABORT_IF_FALSE(currentIterationCount >= 0.0, "must be positive");
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double positionInIteration = fmod(currentIterationCount, 1);
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// Set |whichIteration| to the integral index of the current iteration.
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// Casting to an integer here gives us floor(currentIterationCount).
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// We don't check for overflow here since the range of an unsigned 64-bit
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// integer is more than enough (i.e. we could handle an animation that
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// iterates every *microsecond* for about 580,000 years).
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uint64_t whichIteration = static_cast<uint64_t>(currentIterationCount);
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// Check for the end of the final iteration.
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if (whichIteration != 0 &&
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result.mPhase == ComputedTiming::AnimationPhase_After &&
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aTiming.mIterationCount == floor(aTiming.mIterationCount)) {
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// When the animation's iteration count is an integer (as it
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// normally is), we need to end at 100% of its final iteration
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// rather than 0% of the next one (unless it's zero).
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whichIteration -= 1;
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positionInIteration = 1.0;
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}
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bool thisIterationReverse = false;
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switch (aTiming.mDirection) {
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case NS_STYLE_ANIMATION_DIRECTION_NORMAL:
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thisIterationReverse = false;
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break;
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case NS_STYLE_ANIMATION_DIRECTION_REVERSE:
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thisIterationReverse = true;
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break;
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case NS_STYLE_ANIMATION_DIRECTION_ALTERNATE:
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// uint64_t has more integer precision than double does, so if
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// whichIteration is that large, we've already lost and we're just
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// guessing. But the animation is presumably oscillating so fast
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// it doesn't matter anyway.
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thisIterationReverse = (whichIteration & 1) == 1;
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break;
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case NS_STYLE_ANIMATION_DIRECTION_ALTERNATE_REVERSE:
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// see as previous case
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thisIterationReverse = (whichIteration & 1) == 0;
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break;
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}
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if (thisIterationReverse) {
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positionInIteration = 1.0 - positionInIteration;
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}
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result.mTimeFraction = positionInIteration;
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result.mCurrentIteration = whichIteration;
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return result;
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}
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namespace css {
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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;
|
|
}
|
|
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
|
|
CommonElementAnimationData::IsCompositorAnimationDisabledForFrame(nsIFrame* aFrame)
|
|
{
|
|
void* prop = aFrame->Properties().Get(nsIFrame::RefusedAsyncAnimation());
|
|
return bool(reinterpret_cast<intptr_t>(prop));
|
|
}
|
|
|
|
/* static */ void
|
|
CommonElementAnimationData::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());
|
|
}
|
|
|
|
bool
|
|
CommonElementAnimationData::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
|
|
CommonElementAnimationData::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
|
|
CommonElementAnimationData::UpdateAnimationGeneration(nsPresContext* aPresContext)
|
|
{
|
|
mAnimationGeneration =
|
|
aPresContext->RestyleManager()->GetAnimationGeneration();
|
|
}
|
|
|
|
}
|
|
}
|