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 StorageAreaImpl_h 27 #define StorageAreaImpl_h 28 29 #if ENABLE(DOM_STORAGE) 30 31 #include "StorageArea.h" 32 33 #include <wtf/RefPtr.h> 34 35 namespace WebCore { 36 37 class SecurityOrigin; 38 class StorageMap; 39 class StorageAreaSync; 40 41 class StorageAreaImpl : public StorageArea { 42 public: 43 StorageAreaImpl(StorageType, PassRefPtr<SecurityOrigin>, PassRefPtr<StorageSyncManager>); 44 virtual ~StorageAreaImpl(); 45 46 // The HTML5 DOM Storage API (and contains) 47 virtual unsigned length() const; 48 virtual String key(unsigned index) const; 49 virtual String getItem(const String& key) const; 50 virtual void setItem(const String& key, const String& value, ExceptionCode& ec, Frame* sourceFrame); 51 virtual void removeItem(const String& key, Frame* sourceFrame); 52 virtual void clear(Frame* sourceFrame); 53 virtual bool contains(const String& key) const; 54 55 PassRefPtr<StorageAreaImpl> copy(); 56 void close(); 57 58 // Could be called from a background thread. 59 void importItem(const String& key, const String& value); 60 SecurityOrigin* securityOrigin(); 61 62 private: 63 StorageAreaImpl(StorageAreaImpl*); 64 65 void blockUntilImportComplete() const; 66 67 void dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame); 68 69 StorageType m_storageType; 70 RefPtr<SecurityOrigin> m_securityOrigin; 71 RefPtr<StorageMap> m_storageMap; 72 73 RefPtr<StorageAreaSync> m_storageAreaSync; 74 RefPtr<StorageSyncManager> m_storageSyncManager; 75 76 #ifndef NDEBUG 77 bool m_isShutdown; 78 #endif 79 }; 80 81 } // namespace WebCore 82 83 #endif // ENABLE(DOM_STORAGE) 84 85 #endif // StorageAreaImpl_h 86