2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
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.
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.
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.
20 #ifndef SVGResourcesCache_h
21 #define SVGResourcesCache_h
23 #include "RenderStyleConstants.h"
25 #include <wtf/HashMap.h>
26 #include <wtf/Noncopyable.h>
33 class RenderSVGResourceContainer;
36 class SVGResourcesCache {
37 WTF_MAKE_NONCOPYABLE(SVGResourcesCache); WTF_MAKE_FAST_ALLOCATED;
42 static SVGResources* cachedResourcesForRenderer(const RenderElement&);
44 // Called from all SVG renderers addChild() methods.
45 static void clientWasAddedToTree(RenderObject&);
47 // Called from all SVG renderers removeChild() methods.
48 static void clientWillBeRemovedFromTree(RenderObject&);
50 // Called from all SVG renderers destroy() methods - except for RenderSVGResourceContainer.
51 static void clientDestroyed(RenderElement&);
53 // Called from all SVG renderers layout() methods.
54 static void clientLayoutChanged(RenderElement&);
56 // Called from all SVG renderers styleDidChange() methods.
57 static void clientStyleChanged(RenderElement&, StyleDifference, const RenderStyle& newStyle);
59 // Called from RenderSVGResourceContainer::willBeDestroyed().
60 static void resourceDestroyed(RenderSVGResourceContainer&);
63 void addResourcesFromRenderer(RenderElement&, const RenderStyle&);
64 void removeResourcesFromRenderer(RenderElement&);
66 typedef HashMap<const RenderElement*, std::unique_ptr<SVGResources>> CacheMap;