1 /* 2 * Copyright (C) Research In Motion Limited 2010. 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 SVGResourcesCache_h 21 #define SVGResourcesCache_h 22 23 #if ENABLE(SVG) 24 #include "RenderStyleConstants.h" 25 #include <wtf/HashMap.h> 26 27 namespace WebCore { 28 29 class RenderObject; 30 class RenderStyle; 31 class RenderSVGResourceContainer; 32 class SVGResources; 33 34 class SVGResourcesCache { 35 WTF_MAKE_NONCOPYABLE(SVGResourcesCache); WTF_MAKE_FAST_ALLOCATED; 36 public: 37 SVGResourcesCache(); 38 ~SVGResourcesCache(); 39 40 void addResourcesFromRenderObject(RenderObject*, const RenderStyle*); 41 void removeResourcesFromRenderObject(RenderObject*); 42 static SVGResources* cachedResourcesForRenderObject(RenderObject*); 43 44 // Called from all SVG renderers destroy() methods - except for RenderSVGResourceContainer. 45 static void clientDestroyed(RenderObject*); 46 47 // Called from all SVG renderers layout() methods. 48 static void clientLayoutChanged(RenderObject*); 49 50 // Called from all SVG renderers styleDidChange() methods. 51 static void clientStyleChanged(RenderObject*, StyleDifference, const RenderStyle* newStyle); 52 53 // Called from all SVG renderers updateFromElement() methods. 54 static void clientUpdatedFromElement(RenderObject*, const RenderStyle* newStyle); 55 56 // Called from RenderSVGResourceContainer::destroy(). 57 static void resourceDestroyed(RenderSVGResourceContainer*); 58 59 private: 60 HashMap<RenderObject*, SVGResources*> m_cache; 61 }; 62 63 } 64 65 #endif 66 #endif 67
