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/*
* Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef StyleCustomFilterProgramCache_h
#define StyleCustomFilterProgramCache_h
#include "platform/graphics/filters/custom/CustomFilterProgramInfo.h"
#include "wtf/FastAllocBase.h"
#include "wtf/HashMap.h"
namespace WebCore {
class StyleCustomFilterProgram;
class CustomFilterProgramInfo;
class StyleCustomFilterProgramCache {
WTF_MAKE_FAST_ALLOCATED;
public:
static PassOwnPtr<StyleCustomFilterProgramCache> create();
~StyleCustomFilterProgramCache();
// Lookups a StyleCustomFilterProgram that has similar parameters with the specified program.
StyleCustomFilterProgram* lookup(StyleCustomFilterProgram*) const;
StyleCustomFilterProgram* lookup(const CustomFilterProgramInfo&) const;
void add(StyleCustomFilterProgram*);
void remove(StyleCustomFilterProgram*);
private:
StyleCustomFilterProgramCache() { }
typedef HashMap<CustomFilterProgramInfo, StyleCustomFilterProgram*> CacheMap;
CacheMap m_cache;
};
} // namespace WebCore
#endif // StyleCustomFilterProgramCache_h
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