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/*
* Copyright (C) 2013 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#ifndef ElementAnimations_h
#define ElementAnimations_h
#include "core/animation/CustomCompositorAnimations.h"
#include "core/animation/EffectStack.h"
#include "core/animation/css/CSSAnimations.h"
#include "wtf/HashCountedSet.h"
#include "wtf/HashMap.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace blink {
class CSSAnimations;
using AnimationCountedSet = HeapHashCountedSet<WeakMember<Animation>>;
class ElementAnimations : public GarbageCollectedFinalized<ElementAnimations> {
WTF_MAKE_NONCOPYABLE(ElementAnimations);
public:
ElementAnimations();
~ElementAnimations();
// Animations that are currently active for this element, their effects will
// be applied during a style recalc. CSS Transitions are included in this
// stack.
EffectStack& effectStack() { return m_effectStack; }
const EffectStack& effectStack() const { return m_effectStack; }
// Tracks long running animations that are responsible for applying mutations
// from compositor worker.
CustomCompositorAnimations& customCompositorAnimations() {
return m_customCompositorAnimations;
}
const CustomCompositorAnimations& customCompositorAnimations() const {
return m_customCompositorAnimations;
}
// Tracks the state of active CSS Animations and Transitions. The individual
// animations will also be part of the animation stack, but the mapping
// between animation name and animation is kept here.
CSSAnimations& cssAnimations() { return m_cssAnimations; }
const CSSAnimations& cssAnimations() const { return m_cssAnimations; }
// Animations which have effects targeting this element.
AnimationCountedSet& animations() { return m_animations; }
bool isEmpty() const {
return m_effectStack.isEmpty() && m_cssAnimations.isEmpty() &&
m_animations.isEmpty();
}
void restartAnimationOnCompositor();
void updateAnimationFlags(ComputedStyle&);
void setAnimationStyleChange(bool animationStyleChange) {
m_animationStyleChange = animationStyleChange;
}
const ComputedStyle* baseComputedStyle() const;
void updateBaseComputedStyle(const ComputedStyle*);
void clearBaseComputedStyle();
DECLARE_TRACE();
private:
bool isAnimationStyleChange() const;
EffectStack m_effectStack;
CustomCompositorAnimations m_customCompositorAnimations;
CSSAnimations m_cssAnimations;
AnimationCountedSet m_animations;
bool m_animationStyleChange;
RefPtr<ComputedStyle> m_baseComputedStyle;
// CSSAnimations checks if a style change is due to animation.
friend class CSSAnimations;
};
} // namespace blink
#endif // ElementAnimations_h
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