1 /* 2 * Copyright (C) 2009 Google 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 GOOGLE 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 GOOGLE 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 StorageAreaProxy_h 27 #define StorageAreaProxy_h 28 29 #if ENABLE(DOM_STORAGE) 30 31 #include "StorageArea.h" 32 33 namespace WebKit { class WebStorageArea; } 34 35 namespace WebCore { 36 37 class Frame; 38 class SecurityOrigin; 39 40 class StorageAreaProxy : public StorageArea { 41 public: 42 StorageAreaProxy(WebKit::WebStorageArea*, StorageType); 43 virtual ~StorageAreaProxy(); 44 45 // The HTML5 DOM Storage API 46 virtual unsigned length() const; 47 virtual String key(unsigned index) const; 48 virtual String getItem(const String& key) const; 49 virtual String setItem(const String& key, const String& value, ExceptionCode& ec, Frame* sourceFrame); 50 virtual String removeItem(const String& key, Frame* sourceFrame); 51 virtual bool clear(Frame* sourceFrame); 52 virtual bool contains(const String& key) const; 53 54 private: 55 void storageEvent(const String& key, const String& oldValue, const String& newValue, StorageType, SecurityOrigin*, Frame* sourceFrame); 56 57 OwnPtr<WebKit::WebStorageArea> m_storageArea; 58 StorageType m_storageType; 59 }; 60 61 } // namespace WebCore 62 63 #endif // ENABLE(DOM_STORAGE) 64 65 #endif // StorageAreaProxy_h 66