1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ImagesManager_h 27 #define ImagesManager_h 28 29 #include "HashMap.h" 30 #include "SkBitmap.h" 31 #include "SkBitmapRef.h" 32 #include "SkRefCnt.h" 33 #include "Vector.h" 34 35 #include <utils/threads.h> 36 37 namespace WebCore { 38 39 class ImageTexture; 40 class GLWebViewState; 41 42 class ImagesManager { 43 public: 44 static ImagesManager* instance(); 45 46 ImageTexture* setImage(SkBitmapRef* imgRef); 47 ImageTexture* retainImage(unsigned imgCRC); 48 void releaseImage(unsigned imgCRC); 49 50 // should be called only by ~ImageTexture() 51 void onImageTextureDestroy(unsigned imgCRC); 52 53 bool prepareTextures(GLWebViewState*); 54 int nbTextures(); 55 56 private: 57 ImagesManager() {} 58 59 static ImagesManager* gInstance; 60 61 android::Mutex m_imagesLock; 62 HashMap<unsigned, ImageTexture*> m_images; 63 }; 64 65 } // namespace WebCore 66 67 #endif // ImagesManager 68
