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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "AnimationBase.h"
#include "Document.h"
#include "KeyframeList.h"
namespace WebCore {
class FilterOperations;
class RenderStyle;
// A KeyframeAnimation tracks the state of an explicit animation for a single RenderElement.
class KeyframeAnimation final : public AnimationBase {
public:
static Ref<KeyframeAnimation> create(const Animation& animation, Element& element, CompositeAnimation& compositeAnimation, const RenderStyle& unanimatedStyle)
{
return adoptRef(*new KeyframeAnimation(animation, element, compositeAnimation, unanimatedStyle));
}
OptionSet<AnimateChange> animate(CompositeAnimation&, const RenderStyle& targetStyle, std::unique_ptr<RenderStyle>& animatedStyle);
void getAnimatedStyle(std::unique_ptr<RenderStyle>&) override;
bool computeExtentOfTransformAnimation(LayoutRect&) const override;
const KeyframeList& keyframes() const { return m_keyframes; }
const AtomString& name() const { return m_keyframes.animationName(); }
bool hasAnimationForProperty(CSSPropertyID) const;
bool triggersStackingContext() const { return m_triggersStackingContext; }
bool dependsOnLayout() const { return m_dependsOnLayout; }
bool affectsAcceleratedProperty() const { return m_hasAcceleratedProperty; }
void setUnanimatedStyle(std::unique_ptr<RenderStyle> style) { m_unanimatedStyle = WTFMove(style); }
const RenderStyle& unanimatedStyle() const override { return *m_unanimatedStyle; }
Optional<Seconds> timeToNextService() override;
protected:
void onAnimationStart(double elapsedTime) override;
void onAnimationIteration(double elapsedTime) override;
void onAnimationEnd(double elapsedTime) override;
bool startAnimation(double timeOffset) override;
void pauseAnimation(double timeOffset) override;
void endAnimation(bool fillingForwards = false) override;
void overrideAnimations() override;
void resumeOverriddenAnimations() override;
bool shouldSendEventForListener(Document::ListenerType inListenerType) const;
bool sendAnimationEvent(const AtomString&, double elapsedTime);
bool affectsProperty(CSSPropertyID) const override;
bool computeExtentOfAnimationForMatrixAnimation(const FloatRect& rendererBox, LayoutRect&) const;
bool computeExtentOfAnimationForMatchingTransformLists(const FloatRect& rendererBox, LayoutRect&) const;
void computeLayoutDependency();
void resolveKeyframeStyles();
void validateTransformFunctionList();
void checkForMatchingFilterFunctionLists();
#if ENABLE(FILTERS_LEVEL_2)
void checkForMatchingBackdropFilterFunctionLists();
#endif
void checkForMatchingColorFilterFunctionLists();
bool checkForMatchingFilterFunctionLists(CSSPropertyID, const std::function<const FilterOperations& (const RenderStyle&)>&) const;
private:
KeyframeAnimation(const Animation&, Element&, CompositeAnimation&, const RenderStyle& unanimatedStyle);
virtual ~KeyframeAnimation();
// Get the styles for the given property surrounding the current animation time and the progress between them.
void fetchIntervalEndpointsForProperty(CSSPropertyID, const RenderStyle*& fromStyle, const RenderStyle*& toStyle, double& progress) const;
KeyframeList m_keyframes;
std::unique_ptr<RenderStyle> m_unanimatedStyle; // The style just before we started animation
bool m_startEventDispatched { false };
bool m_triggersStackingContext { false };
bool m_hasAcceleratedProperty { false };
bool m_dependsOnLayout { false };
};
} // namespace WebCore