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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef LayerAndroid_h
#define LayerAndroid_h
#if USE(ACCELERATED_COMPOSITING)
#include "Color.h"
#include "FloatPoint.h"
#include "FloatPoint3D.h"
#include "FloatSize.h"
#include "GraphicsContext.h"
#include "GraphicsLayer.h"
#include "Length.h"
#include "RefPtr.h"
#include "StringHash.h"
#include "Vector.h"
#include <wtf/HashSet.h>
class SkCanvas;
class SkPicture;
class SkRect;
namespace WebCore {
class AndroidAnimation;
class AndroidAnimationValue;
class LayerAndroid : public RefCounted<LayerAndroid> {
public:
static PassRefPtr<LayerAndroid> create(bool isRootLayer);
LayerAndroid(bool isRootLayer);
LayerAndroid(LayerAndroid* layer);
~LayerAndroid();
static int instancesCount();
void setSize(FloatSize size) { m_size = size; }
void setOpacity(float opacity) { m_opacity = opacity; }
void setTranslation(FloatPoint translation) { m_translation = translation; }
void setRotation(float a) { m_angleTransform = a; m_doRotation = true; }
void setScale(FloatPoint3D scale) { m_scale = scale; }
void setPosition(FloatPoint position) { m_position = position; }
void setAnchorPoint(FloatPoint3D point) { m_anchorPoint = point; }
void setHaveContents(bool haveContents) { m_haveContents = haveContents; }
void setHaveImage(bool haveImage) { m_haveImage = haveImage; }
void setDrawsContent(bool drawsContent);
void setMaskLayer(LayerAndroid*);
void setMasksToBounds(bool);
void setBackgroundColor(const Color& color);
void setIsRootLayer(bool isRootLayer) { m_isRootLayer = isRootLayer; }
void paintOn(int scrollX, int scrollY, int width, int height, float scale, SkCanvas*);
GraphicsContext* paintContext();
void removeAllChildren() { m_children.clear(); }
void addChildren(LayerAndroid* layer) { m_children.append(layer); }
bool prepareContext(bool force = false);
void startRecording();
void stopRecording();
SkPicture* recordContext();
void setClip(SkCanvas* clip);
FloatPoint position() { return m_position; }
FloatPoint translation() { return m_translation; }
FloatSize size() { return m_size; }
void setFixedPosition(Length left, Length top, Length right, Length bottom);
void addAnimation(PassRefPtr<AndroidAnimation> anim);
void removeAnimation(const String& name);
Vector<RefPtr<AndroidAnimationValue> >* evaluateAnimations() const;
bool evaluateAnimations(double time,
Vector<RefPtr<AndroidAnimationValue> >* results) const;
bool hasAnimations() const;
private:
void paintChildren(int scrollX, int scrollY,
int width, int height,
float scale, SkCanvas* canvas,
float opacity);
void paintMe(int scrollX, int scrollY,
int width, int height,
float scale, SkCanvas* canvas,
float opacity);
bool m_doRotation;
bool m_isRootLayer;
bool m_isFixed;
bool m_haveContents;
bool m_drawsContent;
bool m_haveImage;
bool m_haveClip;
bool m_backgroundColorSet;
float m_angleTransform;
float m_opacity;
FloatSize m_size;
FloatPoint m_position;
FloatPoint m_translation;
FloatPoint3D m_anchorPoint;
FloatPoint3D m_scale;
Length m_fixedLeft;
Length m_fixedTop;
Length m_fixedRight;
Length m_fixedBottom;
SkPicture* m_recordingPicture;
Color m_backgroundColor;
Vector<RefPtr<LayerAndroid> > m_children;
typedef HashMap<String, RefPtr<AndroidAnimation> > KeyframesMap;
KeyframesMap m_animations;
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif // LayerAndroid_h
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