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 "core/rendering/style/StyleDifference.h"
24 #include "wtf/FastAllocBase.h"
25 #include "wtf/HashMap.h"
26 #include "wtf/Noncopyable.h"
27 #include "wtf/OwnPtr.h"
33 class RenderSVGResourceContainer;
36 class SVGResourcesCache {
37 WTF_MAKE_NONCOPYABLE(SVGResourcesCache); WTF_MAKE_FAST_ALLOCATED;
42 static SVGResources* cachedResourcesForRenderObject(const RenderObject*);
44 // Called from all SVG renderers addChild() methods.
45 static void clientWasAddedToTree(RenderObject*, const RenderStyle* newStyle);
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(RenderObject*);
53 // Called from all SVG renderers layout() methods.
54 static void clientLayoutChanged(RenderObject*);
56 // Called from all SVG renderers styleDidChange() methods.
57 static void clientStyleChanged(RenderObject*, StyleDifference, const RenderStyle* newStyle);
59 // Called from RenderSVGResourceContainer::willBeDestroyed().
60 static void resourceDestroyed(RenderSVGResourceContainer*);
63 void addResourcesFromRenderObject(RenderObject*, const RenderStyle*);
64 void removeResourcesFromRenderObject(RenderObject*);
66 typedef HashMap<const RenderObject*, OwnPtr<SVGResources> > CacheMap;