1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 4 * Copyright (C) 2013 Google Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef StyleResourceLoader_h 24 #define StyleResourceLoader_h 25 26 #include "wtf/OwnPtr.h" 27 #include "wtf/PassRefPtr.h" 28 29 namespace WebCore { 30 31 class ElementStyleResources; 32 class ResourceFetcher; 33 class RenderStyle; 34 class ShapeValue; 35 class StyleImage; 36 class StylePendingImage; 37 class StyleCustomFilterProgramCache; 38 39 // Manages loading of resources, requested by the stylesheets. 40 // Expects the same lifetime as StyleResolver, because: 41 // 1) it expects ResourceFetcher to never change, and 42 // 2) it also holds the StyleCustomFilterProgramCache. 43 class StyleResourceLoader { 44 WTF_MAKE_NONCOPYABLE(StyleResourceLoader); 45 public: 46 explicit StyleResourceLoader(ResourceFetcher*); 47 48 void loadPendingResources(RenderStyle*, ElementStyleResources&); 49 StyleCustomFilterProgramCache* customFilterProgramCache() const { return m_customFilterProgramCache.get(); } 50 51 private: 52 void loadPendingSVGDocuments(RenderStyle*, const ElementStyleResources&); 53 void loadPendingShaders(RenderStyle*, const ElementStyleResources&); 54 55 PassRefPtr<StyleImage> loadPendingImage(StylePendingImage*, float deviceScaleFactor); 56 void loadPendingImages(RenderStyle*, const ElementStyleResources&); 57 void loadPendingShapeImage(RenderStyle*, ShapeValue*); 58 59 OwnPtr<StyleCustomFilterProgramCache> m_customFilterProgramCache; 60 ResourceFetcher* m_fetcher; 61 }; 62 63 } // namespace WebCore 64 65 #endif // StyleResourceLoader_h 66
