1 /* 2 * Copyright (C) 2011 Research In Motion Limited. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef SVGImageCache_h 21 #define SVGImageCache_h 22 23 #include "platform/geometry/FloatSize.h" 24 #include "platform/geometry/IntSize.h" 25 #include "platform/graphics/Image.h" 26 #include "wtf/HashMap.h" 27 #include "wtf/PassOwnPtr.h" 28 #include "wtf/RefPtr.h" 29 30 namespace blink { 31 32 class ImageResourceClient; 33 class SVGImage; 34 class SVGImageForContainer; 35 class RenderObject; 36 37 class SVGImageCache { 38 WTF_MAKE_FAST_ALLOCATED; 39 public: 40 ~SVGImageCache(); 41 create(SVGImage * image)42 static PassOwnPtr<SVGImageCache> create(SVGImage* image) 43 { 44 return adoptPtr(new SVGImageCache(image)); 45 } 46 47 void removeClientFromCache(const ImageResourceClient*); 48 49 void setContainerSizeForRenderer(const ImageResourceClient*, const IntSize&, float); 50 IntSize imageSizeForRenderer(const RenderObject*) const; 51 52 Image* imageForRenderer(const RenderObject*); 53 54 private: 55 SVGImageCache(SVGImage*); 56 57 typedef HashMap<const ImageResourceClient*, RefPtr<SVGImageForContainer> > ImageForContainerMap; 58 59 SVGImage* m_svgImage; 60 ImageForContainerMap m_imageForContainerMap; 61 }; 62 63 } // namespace blink 64 65 #endif // SVGImageCache_h 66