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 Storage_h 27 #define Storage_h 28 29 #if ENABLE(DOM_STORAGE) 30 31 #include <wtf/Forward.h> 32 #include <wtf/RefCounted.h> 33 #include <wtf/RefPtr.h> 34 35 namespace WebCore { 36 37 class Frame; 38 class StorageArea; 39 typedef int ExceptionCode; 40 41 class Storage : public RefCounted<Storage> { 42 public: 43 static PassRefPtr<Storage> create(Frame*, PassRefPtr<StorageArea>); 44 ~Storage(); 45 46 unsigned length() const; 47 String key(unsigned index) const; 48 String getItem(const String&) const; 49 void setItem(const String& key, const String& value, ExceptionCode&); 50 void removeItem(const String&); 51 void clear(); 52 53 bool contains(const String& key) const; 54 55 Frame* frame() { return m_frame; } 56 void disconnectFrame() { m_frame = 0; } 57 58 private: 59 Storage(Frame*, PassRefPtr<StorageArea>); 60 61 Frame* m_frame; 62 RefPtr<StorageArea> m_storageArea; 63 }; 64 65 } // namespace WebCore 66 67 #endif // ENABLE(DOM_STORAGE) 68 69 #endif // Storage_h 70
