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#include "SecurityOriginHash.h" 30#include "StorageArea.h" 31#include "StorageNamespace.h" 32#include <wtf/HashMap.h> 33#include <wtf/RefPtr.h> 34#include <wtf/text/WTFString.h> 35 36namespace WebCore { 37 38class StorageAreaImpl; 39 40class StorageNamespaceImpl : public StorageNamespace { 41public: 42 static PassRefPtr<StorageNamespace> localStorageNamespace(PageGroup*); 43 static PassRefPtr<StorageNamespace> transientLocalStorageNamespace(PageGroup*, SecurityOrigin*); 44 static PassRefPtr<StorageNamespace> sessionStorageNamespace(Page*); 45 virtual ~StorageNamespaceImpl(); 46 47 virtual PassRefPtr<StorageArea> storageArea(PassRefPtr<SecurityOrigin>) override; 48 virtual PassRefPtr<StorageNamespace> copy(Page* newPage) override; 49 virtual void close() override; 50 51 // Not removing the origin's StorageArea from m_storageAreaMap because 52 // we're just deleting the underlying db file. If an item is added immediately 53 // after file deletion, we want the same StorageArea to eventually trigger 54 // a sync and for StorageAreaSync to recreate the backing db file. 55 virtual void clearOriginForDeletion(SecurityOrigin*) override; 56 virtual void clearAllOriginsForDeletion() override; 57 virtual void sync() override; 58 virtual void closeIdleLocalStorageDatabases() override; 59 60private: 61 StorageNamespaceImpl(StorageType, const String& path, unsigned quota); 62 63 typedef HashMap<RefPtr<SecurityOrigin>, RefPtr<StorageAreaImpl>> StorageAreaMap; 64 StorageAreaMap m_storageAreaMap; 65 66 StorageType m_storageType; 67 68 // Only used if m_storageType == LocalStorage and the path was not "" in our constructor. 69 String m_path; 70 RefPtr<StorageSyncManager> m_syncManager; 71 72 // The default quota for each new storage area. 73 unsigned m_quota; 74 75 bool m_isShutdown; 76}; 77 78} // namespace WebCore 79 80#endif // StorageNamespaceImpl_h 81