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; 38 39class PlatformStrategies { 40public: 41 CookiesStrategy* cookiesStrategy() 42 { 43 if (!m_cookiesStrategy) 44 m_cookiesStrategy = createCookiesStrategy(); 45 return m_cookiesStrategy; 46 } 47 48 DatabaseStrategy* databaseStrategy() 49 { 50 if (!m_databaseStrategy) 51 m_databaseStrategy = createDatabaseStrategy(); 52 return m_databaseStrategy; 53 } 54 55 LoaderStrategy* loaderStrategy() 56 { 57 if (!m_loaderStrategy) 58 m_loaderStrategy = createLoaderStrategy(); 59 return m_loaderStrategy; 60 } 61 62 PasteboardStrategy* pasteboardStrategy() 63 { 64 if (!m_pasteboardStrategy) 65 m_pasteboardStrategy = createPasteboardStrategy(); 66 return m_pasteboardStrategy; 67 } 68 69 PluginStrategy* pluginStrategy() 70 { 71 if (!m_pluginStrategy) 72 m_pluginStrategy = createPluginStrategy(); 73 return m_pluginStrategy; 74 } 75 76 SharedWorkerStrategy* sharedWorkerStrategy() 77 { 78 if (!m_sharedWorkerStrategy) 79 m_sharedWorkerStrategy = createSharedWorkerStrategy(); 80 return m_sharedWorkerStrategy; 81 } 82 83 StorageStrategy* storageStrategy() 84 { 85 if (!m_storageStrategy) 86 m_storageStrategy = createStorageStrategy(); 87 return m_storageStrategy; 88 } 89 90protected: 91 PlatformStrategies() 92 : m_cookiesStrategy(nullptr) 93 , m_databaseStrategy(nullptr) 94 , m_loaderStrategy(nullptr) 95 , m_pasteboardStrategy(nullptr) 96 , m_pluginStrategy(nullptr) 97 , m_sharedWorkerStrategy(nullptr) 98 , m_storageStrategy(nullptr) 99 { 100 } 101 102 virtual ~PlatformStrategies() 103 { 104 } 105 106private: 107 virtual CookiesStrategy* createCookiesStrategy() = 0; 108 virtual DatabaseStrategy* createDatabaseStrategy() = 0; 109 virtual LoaderStrategy* createLoaderStrategy() = 0; 110 virtual PasteboardStrategy* createPasteboardStrategy() = 0; 111 virtual PluginStrategy* createPluginStrategy() = 0; 112 virtual SharedWorkerStrategy* createSharedWorkerStrategy() = 0; 113 virtual StorageStrategy* createStorageStrategy() = 0; 114 115 CookiesStrategy* m_cookiesStrategy; 116 DatabaseStrategy* m_databaseStrategy; 117 LoaderStrategy* m_loaderStrategy; 118 PasteboardStrategy* m_pasteboardStrategy; 119 PluginStrategy* m_pluginStrategy; 120 SharedWorkerStrategy* m_sharedWorkerStrategy; 121 StorageStrategy* m_storageStrategy; 122}; 123 124PlatformStrategies* platformStrategies(); 125void setPlatformStrategies(PlatformStrategies*); 126bool hasPlatformStrategies(); 127 128} // namespace WebCore 129 130#endif // PlatformStrategies_h 131