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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 "RefPtr.h"
#include "SkColor.h"
#include "SkLayer.h"
#include "StringHash.h"
#include <wtf/HashMap.h>
class FindOnPage;
class SkCanvas;
class SkMatrix;
class SkPicture;
namespace WebCore {
class AndroidAnimation;
class LayerAndroid : public SkLayer {
public:
LayerAndroid(bool isRootLayer);
LayerAndroid(const LayerAndroid& layer);
virtual ~LayerAndroid();
static int instancesCount();
void setHaveContents(bool haveContents) { m_haveContents = haveContents; }
void setHaveImage(bool haveImage) { m_haveImage = haveImage; }
void setDrawsContent(bool drawsContent);
void setFindOnPage(FindOnPage* findOnPage);
void setMaskLayer(LayerAndroid*);
void setMasksToBounds(bool);
virtual void setBackgroundColor(SkColor color);
void setIsRootLayer(bool isRootLayer) { m_isRootLayer = isRootLayer; }
virtual void draw(SkCanvas*, const SkRect* viewPort);
bool prepareContext(bool force = false);
void startRecording();
void stopRecording();
SkPicture* recordContext();
void setClip(SkCanvas* clip);
void addAnimation(PassRefPtr<AndroidAnimation> anim);
void removeAnimation(const String& name);
bool evaluateAnimations() const;
bool evaluateAnimations(double time) const;
bool hasAnimations() const;
SkPicture* picture() const { return m_recordingPicture; }
void dumpLayers(FILE*, int indentLevel) const;
void bounds(SkRect* ) const;
bool calcPosition(const SkRect* viewPort, SkMatrix*);
void clipArea(SkTDArray<SkRect>* region) const;
const LayerAndroid* find(int x, int y) const;
const LayerAndroid* findById(int uniqueID) const;
LayerAndroid* getChild(int index) const { return
static_cast<LayerAndroid*>(m_children[index]); }
bool haveClip() const { return m_haveClip; }
int uniqueId() const { return m_uniqueId; }
private:
bool boundsIsUnique(SkTDArray<SkRect>* region, const SkRect& local) const;
void clipInner(SkTDArray<SkRect>* region, const SkRect& local) const;
void paintChildren(const SkRect* viewPort, SkCanvas* canvas, float opacity);
void paintMe(const SkRect* viewPort, SkCanvas* canvas,
float opacity);
bool m_isRootLayer;
bool m_haveContents;
bool m_drawsContent;
bool m_haveImage;
bool m_haveClip;
SkPicture* m_recordingPicture;
typedef HashMap<String, RefPtr<AndroidAnimation> > KeyframesMap;
KeyframesMap m_animations;
FindOnPage* m_findOnPage;
int m_uniqueId;
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif // LayerAndroid_h
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