1 /* 2 * Copyright (C) 2008 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. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef StorageNamespaceImpl_h 27 #define StorageNamespaceImpl_h 28 29 #if ENABLE(DOM_STORAGE) 30 31 #include "PlatformString.h" 32 #include "SecurityOriginHash.h" 33 #include "StorageArea.h" 34 #include "StorageNamespace.h" 35 36 #include <wtf/HashMap.h> 37 #include <wtf/RefPtr.h> 38 39 namespace WebCore { 40 #ifdef ANDROID 41 class Page; 42 #endif 43 class StorageAreaImpl; 44 45 class StorageNamespaceImpl : public StorageNamespace { 46 public: 47 static PassRefPtr<StorageNamespace> localStorageNamespace(const String& path, unsigned quota); 48 static PassRefPtr<StorageNamespace> sessionStorageNamespace(unsigned quota); 49 50 virtual ~StorageNamespaceImpl(); 51 virtual PassRefPtr<StorageArea> storageArea(PassRefPtr<SecurityOrigin>); 52 virtual PassRefPtr<StorageNamespace> copy(); 53 virtual void close(); 54 virtual void unlock(); 55 56 // Not removing the origin's StorageArea from m_storageAreaMap because 57 // we're just deleting the underlying db file. If an item is added immediately 58 // after file deletion, we want the same StorageArea to eventually trigger 59 // a sync and for StorageAreaSync to recreate the backing db file. 60 virtual void clearOriginForDeletion(SecurityOrigin*); 61 virtual void clearAllOriginsForDeletion(); 62 virtual void sync(); 63 64 #ifdef ANDROID 65 virtual void clear(Page*); 66 #endif 67 68 private: 69 StorageNamespaceImpl(StorageType, const String& path, unsigned quota); 70 71 typedef HashMap<RefPtr<SecurityOrigin>, RefPtr<StorageAreaImpl>, SecurityOriginHash> StorageAreaMap; 72 StorageAreaMap m_storageAreaMap; 73 74 StorageType m_storageType; 75 76 // Only used if m_storageType == LocalStorage and the path was not "" in our constructor. 77 String m_path; 78 RefPtr<StorageSyncManager> m_syncManager; 79 80 unsigned m_quota; // The default quota for each new storage area. 81 bool m_isShutdown; 82 }; 83 84 } // namespace WebCore 85 86 #endif // ENABLE(DOM_STORAGE) 87 88 #endif // StorageNamespaceImpl_h 89