blob: 6983a7f3c0ee358efb060afdb71e2a2e18f8bf76 [file] [log] [blame]
/*
* 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