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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 ImagesManager_h
#define ImagesManager_h
#include "HashMap.h"
#include "SkBitmap.h"
#include "SkBitmapRef.h"
#include "SkRefCnt.h"
#include "Vector.h"
#include <utils/threads.h>
namespace WebCore {
class ImageTexture;
class GLWebViewState;
class ImagesManager {
public:
static ImagesManager* instance();
ImageTexture* setImage(SkBitmapRef* imgRef);
ImageTexture* retainImage(unsigned imgCRC);
void releaseImage(unsigned imgCRC);
// should be called only by ~ImageTexture()
void onImageTextureDestroy(unsigned imgCRC);
bool prepareTextures(GLWebViewState*);
int nbTextures();
private:
ImagesManager() {}
static ImagesManager* gInstance;
android::Mutex m_imagesLock;
HashMap<unsigned, ImageTexture*> m_images;
};
} // namespace WebCore
#endif // ImagesManager
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