158 lines
5.4 KiB
C++
158 lines
5.4 KiB
C++
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "KeyframeEffectStack.h"
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#include "CSSAnimation.h"
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#include "CSSTransition.h"
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#include "KeyframeEffect.h"
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#include "WebAnimation.h"
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#include "WebAnimationUtilities.h"
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namespace WebCore {
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KeyframeEffectStack::KeyframeEffectStack()
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{
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}
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KeyframeEffectStack::~KeyframeEffectStack()
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{
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}
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bool KeyframeEffectStack::addEffect(KeyframeEffect& effect)
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{
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// To qualify for membership in an effect stack, an effect must have a target, an animation, a timeline and be relevant.
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// This method will be called in WebAnimation and KeyframeEffect as those properties change.
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if (!effect.targetStyleable() || !effect.animation() || !effect.animation()->timeline() || !effect.animation()->isRelevant())
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return false;
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m_effects.append(makeWeakPtr(&effect));
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m_isSorted = false;
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return true;
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}
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void KeyframeEffectStack::removeEffect(KeyframeEffect& effect)
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{
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m_effects.removeFirst(&effect);
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}
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bool KeyframeEffectStack::requiresPseudoElement() const
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{
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for (auto& effect : m_effects) {
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if (effect->requiresPseudoElement())
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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 KeyframeEffectStack::hasEffectWithImplicitKeyframes() const
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{
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for (auto& effect : m_effects) {
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if (effect->hasImplicitKeyframes())
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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 KeyframeEffectStack::isCurrentlyAffectingProperty(CSSPropertyID property) const
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{
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for (auto& effect : m_effects) {
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if (effect->isCurrentlyAffectingProperty(property) || effect->isRunningAcceleratedAnimationForProperty(property))
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return true;
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}
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return false;
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}
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Vector<WeakPtr<KeyframeEffect>> KeyframeEffectStack::sortedEffects()
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{
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ensureEffectsAreSorted();
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return m_effects;
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}
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void KeyframeEffectStack::ensureEffectsAreSorted()
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{
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if (m_isSorted || m_effects.size() < 2)
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return;
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std::stable_sort(m_effects.begin(), m_effects.end(), [&](auto& lhs, auto& rhs) {
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RELEASE_ASSERT(lhs.get());
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RELEASE_ASSERT(rhs.get());
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auto* lhsAnimation = lhs->animation();
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auto* rhsAnimation = rhs->animation();
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RELEASE_ASSERT(lhsAnimation);
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RELEASE_ASSERT(rhsAnimation);
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return compareAnimationsByCompositeOrder(*lhsAnimation, *rhsAnimation);
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});
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m_isSorted = true;
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}
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void KeyframeEffectStack::setCSSAnimationList(RefPtr<const AnimationList>&& cssAnimationList)
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{
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m_cssAnimationList = WTFMove(cssAnimationList);
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// Since the list of animation names has changed, the sorting order of the animation effects may have changed as well.
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m_isSorted = false;
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}
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OptionSet<AnimationImpact> KeyframeEffectStack::applyKeyframeEffects(RenderStyle& targetStyle, const RenderStyle& previousLastStyleChangeEventStyle, const RenderStyle* parentElementStyle)
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{
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OptionSet<AnimationImpact> impact;
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auto transformRelatedPropertyChanged = [&]() -> bool {
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return !arePointingToEqualData(targetStyle.translate(), previousLastStyleChangeEventStyle.translate())
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|| !arePointingToEqualData(targetStyle.scale(), previousLastStyleChangeEventStyle.scale())
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|| !arePointingToEqualData(targetStyle.rotate(), previousLastStyleChangeEventStyle.rotate())
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|| targetStyle.transform() != previousLastStyleChangeEventStyle.transform();
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}();
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for (const auto& effect : sortedEffects()) {
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ASSERT(effect->animation());
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effect->animation()->resolve(targetStyle, parentElementStyle);
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if (effect->isRunningAccelerated() || effect->isAboutToRunAccelerated())
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impact.add(AnimationImpact::RequiresRecomposite);
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if (effect->triggersStackingContext())
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impact.add(AnimationImpact::ForcesStackingContext);
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if (transformRelatedPropertyChanged && effect->isRunningAcceleratedTransformRelatedAnimation())
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effect->transformRelatedPropertyDidChange();
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}
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return impact;
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}
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void KeyframeEffectStack::stopAcceleratingTransformRelatedProperties(UseAcceleratedAction useAcceleratedAction)
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{
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for (auto& effect : m_effects)
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effect->stopAcceleratingTransformRelatedProperties(useAcceleratedAction);
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}
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} // namespace WebCore
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