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 StorageArea_h 27 #define StorageArea_h 28 29 #include <wtf/Forward.h> 30 #include <wtf/text/WTFString.h> 31 32 namespace WebCore { 33 34 class ExceptionState; 35 class Frame; 36 class SecurityOrigin; 37 class StorageSyncManager; 38 enum StorageType { LocalStorage, SessionStorage }; 39 40 class StorageArea { 41 public: 42 virtual ~StorageArea() { } 43 44 // The HTML5 DOM Storage API 45 // FIXME: We should pass Document instead of Frame. Also, that parameter should go first. 46 virtual unsigned length(ExceptionState&, Frame* sourceFrame) = 0; 47 virtual String key(unsigned index, ExceptionState&, Frame* sourceFrame) = 0; 48 virtual String getItem(const String& key, ExceptionState&, Frame* sourceFrame) = 0; 49 virtual void setItem(const String& key, const String& value, ExceptionState&, Frame* sourceFrame) = 0; 50 virtual void removeItem(const String& key, ExceptionState&, Frame* sourceFrame) = 0; 51 virtual void clear(ExceptionState&, Frame* sourceFrame) = 0; 52 virtual bool contains(const String& key, ExceptionState&, Frame* sourceFrame) = 0; 53 54 virtual bool canAccessStorage(Frame*) = 0; 55 56 virtual size_t memoryBytesUsedByCache() = 0; 57 }; 58 59 } // namespace WebCore 60 61 #endif // StorageArea_h 62
