1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@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 29namespace blink { 30 31class ElementStyleResources; 32class RenderStyle; 33class ResourceFetcher; 34class ShapeValue; 35class StyleImage; 36class StylePendingImage; 37 38// Manages loading of resources, requested by the stylesheets. 39// Expects the same lifetime as StyleResolver, because 40// it expects ResourceFetcher to never change. 41class StyleResourceLoader { 42WTF_MAKE_NONCOPYABLE(StyleResourceLoader); 43public: 44 explicit StyleResourceLoader(ResourceFetcher*); 45 46 void loadPendingResources(RenderStyle*, ElementStyleResources&); 47 48private: 49 void loadPendingSVGDocuments(RenderStyle*, ElementStyleResources&); 50 51 PassRefPtr<StyleImage> loadPendingImage(StylePendingImage*, float deviceScaleFactor); 52 void loadPendingImages(RenderStyle*, ElementStyleResources&); 53 void loadPendingShapeImage(RenderStyle*, ShapeValue*, float deviceScaleFactor); 54 55 ResourceFetcher* m_fetcher; 56}; 57 58} // namespace blink 59 60#endif // StyleResourceLoader_h 61