1/* 2 * Copyright (C) 2010, 2011, 2012 Apple Inc. 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef PlatformStrategies_h 27#define PlatformStrategies_h 28 29namespace WebCore { 30 31class CookiesStrategy; 32class DatabaseStrategy; 33class LoaderStrategy; 34class PasteboardStrategy; 35class PluginStrategy; 36class SharedWorkerStrategy; 37class StorageStrategy; 38class VisitedLinkStrategy; 39 40class PlatformStrategies { 41public: 42 CookiesStrategy* cookiesStrategy() 43 { 44 if (!m_cookiesStrategy) 45 m_cookiesStrategy = createCookiesStrategy(); 46 return m_cookiesStrategy; 47 } 48 49 DatabaseStrategy* databaseStrategy() 50 { 51 if (!m_databaseStrategy) 52 m_databaseStrategy = createDatabaseStrategy(); 53 return m_databaseStrategy; 54 } 55 56 LoaderStrategy* loaderStrategy() 57 { 58 if (!m_loaderStrategy) 59 m_loaderStrategy = createLoaderStrategy(); 60 return m_loaderStrategy; 61 } 62 63 PasteboardStrategy* pasteboardStrategy() 64 { 65 if (!m_pasteboardStrategy) 66 m_pasteboardStrategy = createPasteboardStrategy(); 67 return m_pasteboardStrategy; 68 } 69 70 PluginStrategy* pluginStrategy() 71 { 72 if (!m_pluginStrategy) 73 m_pluginStrategy = createPluginStrategy(); 74 return m_pluginStrategy; 75 } 76 77 SharedWorkerStrategy* sharedWorkerStrategy() 78 { 79 if (!m_sharedWorkerStrategy) 80 m_sharedWorkerStrategy = createSharedWorkerStrategy(); 81 return m_sharedWorkerStrategy; 82 } 83 84 VisitedLinkStrategy* visitedLinkStrategy() 85 { 86 if (!m_visitedLinkStrategy) 87 m_visitedLinkStrategy = createVisitedLinkStrategy(); 88 return m_visitedLinkStrategy; 89 } 90 91 StorageStrategy* storageStrategy() 92 { 93 if (!m_storageStrategy) 94 m_storageStrategy = createStorageStrategy(); 95 return m_storageStrategy; 96 } 97 98protected: 99 PlatformStrategies() 100 : m_cookiesStrategy(0) 101 , m_databaseStrategy(0) 102 , m_loaderStrategy(0) 103 , m_pasteboardStrategy(0) 104 , m_pluginStrategy(0) 105 , m_sharedWorkerStrategy(0) 106 , m_storageStrategy(0) 107 , m_visitedLinkStrategy(0) 108 { 109 } 110 111 virtual ~PlatformStrategies() 112 { 113 } 114 115private: 116 virtual CookiesStrategy* createCookiesStrategy() = 0; 117 virtual DatabaseStrategy* createDatabaseStrategy() = 0; 118 virtual LoaderStrategy* createLoaderStrategy() = 0; 119 virtual PasteboardStrategy* createPasteboardStrategy() = 0; 120 virtual PluginStrategy* createPluginStrategy() = 0; 121 virtual SharedWorkerStrategy* createSharedWorkerStrategy() = 0; 122 virtual StorageStrategy* createStorageStrategy() = 0; 123 virtual VisitedLinkStrategy* createVisitedLinkStrategy() = 0; 124 125 CookiesStrategy* m_cookiesStrategy; 126 DatabaseStrategy* m_databaseStrategy; 127 LoaderStrategy* m_loaderStrategy; 128 PasteboardStrategy* m_pasteboardStrategy; 129 PluginStrategy* m_pluginStrategy; 130 SharedWorkerStrategy* m_sharedWorkerStrategy; 131 StorageStrategy* m_storageStrategy; 132 VisitedLinkStrategy* m_visitedLinkStrategy; 133}; 134 135PlatformStrategies* platformStrategies(); 136void setPlatformStrategies(PlatformStrategies*); 137bool hasPlatformStrategies(); 138 139} // namespace WebCore 140 141#endif // PlatformStrategies_h 142