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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.
*/
#ifndef ImplicitAnimation_h
#define ImplicitAnimation_h
#include "AnimationBase.h"
#include "CSSPropertyNames.h"
#include "Document.h"
namespace WebCore {
class RenderElement;
// An ImplicitAnimation tracks the state of a transition of a specific CSS property
// for a single RenderElement.
class ImplicitAnimation : public AnimationBase {
public:
static Ref<ImplicitAnimation> create(Animation& animation, CSSPropertyID animatingProperty, RenderElement* renderer, CompositeAnimation* compositeAnimation, RenderStyle* fromStyle)
{
return adoptRef(*new ImplicitAnimation(animation, animatingProperty, renderer, compositeAnimation, fromStyle));
};
CSSPropertyID transitionProperty() const { return m_transitionProperty; }
CSSPropertyID animatingProperty() const { return m_animatingProperty; }
virtual void onAnimationEnd(double elapsedTime) override;
virtual bool startAnimation(double timeOffset) override;
virtual void pauseAnimation(double timeOffset) override;
virtual void endAnimation() override;
virtual bool animate(CompositeAnimation*, RenderElement*, const RenderStyle* currentStyle, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle) override;
virtual void getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle) override;
virtual void reset(RenderStyle* to);
bool computeExtentOfTransformAnimation(LayoutRect&) const override;
void setOverridden(bool);
virtual bool overridden() const override { return m_overridden; }
virtual bool affectsProperty(CSSPropertyID) const override;
bool hasStyle() const { return m_fromStyle && m_toStyle; }
bool isTargetPropertyEqual(CSSPropertyID, const RenderStyle*);
void blendPropertyValueInStyle(CSSPropertyID, RenderStyle*);
virtual double timeToNextService() override;
bool active() const { return m_active; }
void setActive(bool b) { m_active = b; }
protected:
bool shouldSendEventForListener(Document::ListenerType) const;
bool sendTransitionEvent(const AtomicString&, double elapsedTime);
void validateTransformFunctionList();
void checkForMatchingFilterFunctionLists();
#if ENABLE(FILTERS_LEVEL_2)
void checkForMatchingBackdropFilterFunctionLists();
#endif
private:
ImplicitAnimation(Animation&, CSSPropertyID, RenderElement*, CompositeAnimation*, RenderStyle*);
virtual ~ImplicitAnimation();
// The two styles that we are blending.
RefPtr<RenderStyle> m_fromStyle;
RefPtr<RenderStyle> m_toStyle;
CSSPropertyID m_transitionProperty; // Transition property as specified in the RenderStyle.
CSSPropertyID m_animatingProperty; // Specific property for this ImplicitAnimation
bool m_active { true }; // Used for culling the list of transitions.
bool m_overridden { false }; // True when there is a keyframe animation that overrides the transitioning property
};
} // namespace WebCore
#endif // ImplicitAnimation_h
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