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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 Computer, 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 {
// An ImplicitAnimation tracks the state of a transition of a specific CSS property
// for a single RenderObject.
class ImplicitAnimation : public AnimationBase {
public:
static PassRefPtr<ImplicitAnimation> create(const Animation* animation, CSSPropertyID animatingProperty, RenderObject* 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);
virtual bool startAnimation(double timeOffset);
virtual void pauseAnimation(double /*timeOffset*/);
virtual void endAnimation();
virtual void animate(CompositeAnimation*, RenderObject*, const RenderStyle* currentStyle, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle);
virtual void getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle);
virtual void reset(RenderStyle* to);
void setOverridden(bool);
virtual bool overridden() const { return m_overridden; }
virtual bool affectsProperty(CSSPropertyID) const;
bool hasStyle() const { return m_fromStyle && m_toStyle; }
bool isTargetPropertyEqual(CSSPropertyID, const RenderStyle*);
void blendPropertyValueInStyle(CSSPropertyID, RenderStyle*);
virtual double timeToNextService();
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();
#if ENABLE(CSS_FILTERS)
void checkForMatchingFilterFunctionLists();
#endif
private:
ImplicitAnimation(const Animation*, CSSPropertyID, RenderObject*, CompositeAnimation*, RenderStyle*);
virtual ~ImplicitAnimation();
CSSPropertyID m_transitionProperty; // Transition property as specified in the RenderStyle.
CSSPropertyID m_animatingProperty; // Specific property for this ImplicitAnimation
bool m_overridden; // true when there is a keyframe animation that overrides the transitioning property
bool m_active; // used for culling the list of transitions
// The two styles that we are blending.
RefPtr<RenderStyle> m_fromStyle;
RefPtr<RenderStyle> m_toStyle;
};
} // namespace WebCore
#endif // ImplicitAnimation_h