| /* |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #pragma once |
| |
| #include "RenderStyleConstants.h" |
| #include <memory> |
| #include <wtf/HashMap.h> |
| #include <wtf/Noncopyable.h> |
| |
| namespace WebCore { |
| |
| class RenderElement; |
| class RenderObject; |
| class RenderStyle; |
| class RenderSVGResourceContainer; |
| class SVGResources; |
| |
| class SVGResourcesCache { |
| WTF_MAKE_NONCOPYABLE(SVGResourcesCache); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| SVGResourcesCache(); |
| ~SVGResourcesCache(); |
| |
| static SVGResources* cachedResourcesForRenderer(const RenderElement&); |
| |
| // Called from all SVG renderers addChild() methods. |
| static void clientWasAddedToTree(RenderObject&); |
| |
| // Called from all SVG renderers removeChild() methods. |
| static void clientWillBeRemovedFromTree(RenderObject&); |
| |
| // Called from all SVG renderers destroy() methods - except for RenderSVGResourceContainer. |
| static void clientDestroyed(RenderElement&); |
| |
| // Called from all SVG renderers layout() methods. |
| static void clientLayoutChanged(RenderElement&); |
| |
| // Called from all SVG renderers styleDidChange() methods. |
| static void clientStyleChanged(RenderElement&, StyleDifference, const RenderStyle& newStyle); |
| |
| // Called from RenderSVGResourceContainer::willBeDestroyed(). |
| static void resourceDestroyed(RenderSVGResourceContainer&); |
| |
| private: |
| void addResourcesFromRenderer(RenderElement&, const RenderStyle&); |
| void removeResourcesFromRenderer(RenderElement&); |
| |
| typedef HashMap<const RenderElement*, std::unique_ptr<SVGResources>> CacheMap; |
| CacheMap m_cache; |
| }; |
| |
| } // namespace WebCore |