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/*
Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef GraphicsLayerAnimation_h
#define GraphicsLayerAnimation_h
#if USE(ACCELERATED_COMPOSITING)
#include "GraphicsLayer.h"
#include "TransformationMatrix.h"
#include <wtf/HashMap.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class GraphicsLayerAnimation {
public:
enum AnimationState { PlayingState, PausedState, StoppedState };
class Client {
public:
virtual void setAnimatedTransform(const TransformationMatrix&) = 0;
virtual void setAnimatedOpacity(float) = 0;
#if ENABLE(CSS_FILTERS)
virtual void setAnimatedFilters(const FilterOperations&) = 0;
#endif
};
GraphicsLayerAnimation()
: m_keyframes(AnimatedPropertyInvalid)
{ }
GraphicsLayerAnimation(const String&, const KeyframeValueList&, const IntSize&, const Animation*, double, bool);
void apply(Client*);
void pause(double);
void resume();
double computeTotalRunningTime();
AnimationState state() const { return m_state; }
void setState(AnimationState s, double pauseTime = 0)
{
m_state = s;
m_pauseTime = pauseTime;
}
AnimatedPropertyID property() const { return m_keyframes.property(); }
bool isActive() const;
String name() const { return m_name; }
IntSize boxSize() const { return m_boxSize; }
double startTime() const { return m_startTime; }
double pauseTime() const { return m_pauseTime; }
PassRefPtr<Animation> animation() const { return m_animation.get(); }
const KeyframeValueList& keyframes() const { return m_keyframes; }
bool listsMatch() const { return m_listsMatch; }
private:
void applyInternal(Client*, const AnimationValue& from, const AnimationValue& to, float progress);
KeyframeValueList m_keyframes;
IntSize m_boxSize;
RefPtr<Animation> m_animation;
String m_name;
bool m_listsMatch;
double m_startTime;
double m_pauseTime;
double m_totalRunningTime;
double m_lastRefreshedTime;
AnimationState m_state;
};
class GraphicsLayerAnimations {
public:
GraphicsLayerAnimations() { }
void add(const GraphicsLayerAnimation&);
void remove(const String& name);
void remove(const String& name, AnimatedPropertyID);
void pause(const String&, double);
void suspend(double);
void resume();
void apply(GraphicsLayerAnimation::Client*);
bool isEmpty() const { return m_animations.isEmpty(); }
size_t size() const { return m_animations.size(); }
const Vector<GraphicsLayerAnimation>& animations() const { return m_animations; }
Vector<GraphicsLayerAnimation>& animations() { return m_animations; }
bool hasRunningAnimations() const;
bool hasActiveAnimationsOfType(AnimatedPropertyID type) const;
GraphicsLayerAnimations getActiveAnimations() const;
private:
Vector<GraphicsLayerAnimation> m_animations;
};
}
#endif
#endif // GraphicsLayerAnimation_h
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