2 * Copyright (C) 2009 Google Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
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19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include "core/frame/FrameDestructionObserver.h"
30 #include "platform/heap/Handle.h"
31 #include "wtf/OwnPtr.h"
32 #include "wtf/PassOwnPtr.h"
33 #include "wtf/text/WTFString.h"
44 class WebStorageNamespace;
51 class StorageArea FINAL : public NoBaseWillBeGarbageCollectedFinalized<StorageArea>, public FrameDestructionObserver {
52 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(StorageArea);
54 static PassOwnPtrWillBeRawPtr<StorageArea> create(PassOwnPtr<WebStorageArea>, StorageType);
56 virtual ~StorageArea();
58 // The HTML5 DOM Storage API
59 unsigned length(ExceptionState&, LocalFrame* sourceFrame);
60 String key(unsigned index, ExceptionState&, LocalFrame* sourceFrame);
61 String getItem(const String& key, ExceptionState&, LocalFrame* sourceFrame);
62 void setItem(const String& key, const String& value, ExceptionState&, LocalFrame* sourceFrame);
63 void removeItem(const String& key, ExceptionState&, LocalFrame* sourceFrame);
64 void clear(ExceptionState&, LocalFrame* sourceFrame);
65 bool contains(const String& key, ExceptionState&, LocalFrame* sourceFrame);
67 bool canAccessStorage(LocalFrame*);
68 size_t memoryBytesUsedByCache();
70 static void dispatchLocalStorageEvent(const String& key, const String& oldValue, const String& newValue,
71 SecurityOrigin*, const KURL& pageURL, WebStorageArea* sourceAreaInstance, bool originatedInProcess);
72 static void dispatchSessionStorageEvent(const String& key, const String& oldValue, const String& newValue,
73 SecurityOrigin*, const KURL& pageURL, const WebStorageNamespace&,
74 WebStorageArea* sourceAreaInstance, bool originatedInProcess);
79 StorageArea(PassOwnPtr<WebStorageArea>, StorageType);
81 static bool isEventSource(Storage*, WebStorageArea* sourceAreaInstance);
83 OwnPtr<WebStorageArea> m_storageArea;
84 StorageType m_storageType;
85 bool m_canAccessStorageCachedResult;
90 #endif // StorageArea_h