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/*
* Copyright (C) 2009 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 AnimationControllerPrivate_h
#define AnimationControllerPrivate_h
#include "CSSPropertyNames.h"
#include "Timer.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class AnimationBase;
class CompositeAnimation;
class Document;
class Element;
class Frame;
class Node;
class RenderObject;
class RenderStyle;
enum SetChanged {
DoNotCallSetChanged = 0,
CallSetChanged = 1
};
class AnimationControllerPrivate {
WTF_MAKE_NONCOPYABLE(AnimationControllerPrivate); WTF_MAKE_FAST_ALLOCATED;
public:
AnimationControllerPrivate(Frame*);
~AnimationControllerPrivate();
// Returns the time until the next animation needs to be serviced, or -1 if there are none.
double updateAnimations(SetChanged callSetChanged = DoNotCallSetChanged);
void updateAnimationTimer(SetChanged callSetChanged = DoNotCallSetChanged);
CompositeAnimation* ensureCompositeAnimation(RenderObject*);
bool clear(RenderObject*);
void updateStyleIfNeededDispatcherFired(Timer<AnimationControllerPrivate>*);
void startUpdateStyleIfNeededDispatcher();
void addEventToDispatch(PassRefPtr<Element> element, const AtomicString& eventType, const String& name, double elapsedTime);
void addNodeChangeToDispatch(PassRefPtr<Node>);
bool hasAnimations() const { return !m_compositeAnimations.isEmpty(); }
bool isSuspended() const { return m_isSuspended; }
void suspendAnimations();
void resumeAnimations();
#if ENABLE(REQUEST_ANIMATION_FRAME)
void animationFrameCallbackFired();
#endif
void suspendAnimationsForDocument(Document*);
void resumeAnimationsForDocument(Document*);
void startAnimationsIfNotSuspended(Document*);
bool isRunningAnimationOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow) const;
bool isRunningAcceleratedAnimationOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow) const;
bool pauseAnimationAtTime(RenderObject*, const AtomicString& name, double t);
bool pauseTransitionAtTime(RenderObject*, const String& property, double t);
unsigned numberOfActiveAnimations(Document*) const;
PassRefPtr<RenderStyle> getAnimatedStyleForRenderer(RenderObject* renderer);
double beginAnimationUpdateTime();
void setBeginAnimationUpdateTime(double t) { m_beginAnimationUpdateTime = t; }
void endAnimationUpdate();
void receivedStartTimeResponse(double);
void addToAnimationsWaitingForStyle(AnimationBase*);
void removeFromAnimationsWaitingForStyle(AnimationBase*);
void addToAnimationsWaitingForStartTimeResponse(AnimationBase*, bool willGetResponse);
void removeFromAnimationsWaitingForStartTimeResponse(AnimationBase*);
void animationWillBeRemoved(AnimationBase*);
void updateAnimationTimerForRenderer(RenderObject*);
private:
void animationTimerFired(Timer<AnimationControllerPrivate>*);
void styleAvailable();
void fireEventsAndUpdateStyle();
void startTimeResponse(double t);
typedef HashMap<RenderObject*, RefPtr<CompositeAnimation> > RenderObjectAnimationMap;
RenderObjectAnimationMap m_compositeAnimations;
Timer<AnimationControllerPrivate> m_animationTimer;
Timer<AnimationControllerPrivate> m_updateStyleIfNeededDispatcher;
Frame* m_frame;
class EventToDispatch {
public:
RefPtr<Element> element;
AtomicString eventType;
String name;
double elapsedTime;
};
Vector<EventToDispatch> m_eventsToDispatch;
Vector<RefPtr<Node> > m_nodeChangesToDispatch;
double m_beginAnimationUpdateTime;
typedef HashSet<RefPtr<AnimationBase> > WaitingAnimationsSet;
WaitingAnimationsSet m_animationsWaitingForStyle;
WaitingAnimationsSet m_animationsWaitingForStartTimeResponse;
bool m_waitingForAsyncStartNotification;
bool m_isSuspended;
};
} // namespace WebCore
#endif // AnimationControllerPrivate_h
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