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/*
* Copyright 2011, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER OR
* 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 PaintedSurface_h
#define PaintedSurface_h
#include "BaseTileTexture.h"
#include "ClassTracker.h"
#include "IntRect.h"
#include "LayerAndroid.h"
#include "SkRefCnt.h"
#include "TextureOwner.h"
#include "TiledTexture.h"
#include "TilesManager.h"
#include "TilePainter.h"
#include "TransformationMatrix.h"
#include "UpdateManager.h"
class SkCanvas;
class SkRegion;
namespace WebCore {
class UpdateManager;
class PaintedSurface : public SkRefCnt {
public:
PaintedSurface(LayerAndroid* layer)
: m_layer(layer)
, m_tiledTexture(0)
, m_scale(0)
, m_pictureUsed(0)
{
TilesManager::instance()->addPaintedSurface(this);
SkSafeRef(m_layer);
#ifdef DEBUG_COUNT
ClassTracker::instance()->increment("PaintedSurface");
#endif
m_tiledTexture = new TiledTexture(this);
}
virtual ~PaintedSurface();
// PaintedSurface methods
LayerAndroid* layer() { return m_layer; }
void prepare(GLWebViewState*);
bool draw();
void markAsDirty(const SkRegion& dirtyArea);
bool paint(SkCanvas*);
void removeLayer();
void removeLayer(LayerAndroid* layer);
void replaceLayer(LayerAndroid* layer);
bool owns(BaseTileTexture* texture);
void computeVisibleArea();
// TilePainter methods for TiledTexture
virtual void paintExtra(SkCanvas*);
virtual const TransformationMatrix* transform();
// used by TiledTexture
const IntRect& area() { return m_area; }
const IntRect& visibleArea() { return m_visibleArea; }
float scale() { return m_scale; }
float opacity();
unsigned int pictureUsed() { return m_pictureUsed; }
TiledTexture* texture() { return m_tiledTexture; }
private:
UpdateManager m_updateManager;
LayerAndroid* m_layer;
TiledTexture* m_tiledTexture;
IntRect m_area;
IntRect m_visibleArea;
float m_scale;
unsigned int m_pictureUsed;
android::Mutex m_layerLock;
};
} // namespace WebCore
#endif // PaintedSurface_h
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