1 /* 2 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AS IS AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef StyleCustomFilterProgramCache_h 31 #define StyleCustomFilterProgramCache_h 32 33 #include "core/platform/graphics/filters/custom/CustomFilterProgramInfo.h" 34 #include "wtf/FastAllocBase.h" 35 #include "wtf/HashMap.h" 36 37 namespace WebCore { 38 39 class StyleCustomFilterProgram; 40 class CustomFilterProgramInfo; 41 42 class StyleCustomFilterProgramCache { 43 WTF_MAKE_FAST_ALLOCATED; 44 public: 45 static PassOwnPtr<StyleCustomFilterProgramCache> create(); 46 ~StyleCustomFilterProgramCache(); 47 48 // Lookups a StyleCustomFilterProgram that has similar parameters with the specified program. 49 StyleCustomFilterProgram* lookup(StyleCustomFilterProgram*) const; 50 StyleCustomFilterProgram* lookup(const CustomFilterProgramInfo&) const; 51 52 void add(StyleCustomFilterProgram*); 53 void remove(StyleCustomFilterProgram*); 54 55 private: 56 StyleCustomFilterProgramCache() { } 57 58 typedef HashMap<CustomFilterProgramInfo, StyleCustomFilterProgram*> CacheMap; 59 CacheMap m_cache; 60 }; 61 62 } // namespace WebCore 63 64 65 #endif // StyleCustomFilterProgramCache_h 66
