| /* |
| * Copyright (C) 2009 Google Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef StorageArea_h |
| #define StorageArea_h |
| |
| #include "platform/heap/Handle.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| class WebStorageArea; |
| class WebStorageNamespace; |
| } |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class LocalFrame; |
| class KURL; |
| class Page; |
| class SecurityOrigin; |
| class Storage; |
| |
| enum StorageType { |
| LocalStorage, |
| SessionStorage |
| }; |
| |
| class StorageArea : public NoBaseWillBeGarbageCollectedFinalized<StorageArea> { |
| public: |
| StorageArea(PassOwnPtr<blink::WebStorageArea>, StorageType); |
| virtual ~StorageArea(); |
| |
| // The HTML5 DOM Storage API |
| unsigned length(ExceptionState&, LocalFrame* sourceFrame); |
| String key(unsigned index, ExceptionState&, LocalFrame* sourceFrame); |
| String getItem(const String& key, ExceptionState&, LocalFrame* sourceFrame); |
| void setItem(const String& key, const String& value, ExceptionState&, LocalFrame* sourceFrame); |
| void removeItem(const String& key, ExceptionState&, LocalFrame* sourceFrame); |
| void clear(ExceptionState&, LocalFrame* sourceFrame); |
| bool contains(const String& key, ExceptionState&, LocalFrame* sourceFrame); |
| |
| bool canAccessStorage(LocalFrame*); |
| size_t memoryBytesUsedByCache(); |
| |
| static void dispatchLocalStorageEvent(const String& key, const String& oldValue, const String& newValue, |
| SecurityOrigin*, const KURL& pageURL, blink::WebStorageArea* sourceAreaInstance, bool originatedInProcess); |
| static void dispatchSessionStorageEvent(const String& key, const String& oldValue, const String& newValue, |
| SecurityOrigin*, const KURL& pageURL, const blink::WebStorageNamespace&, |
| blink::WebStorageArea* sourceAreaInstance, bool originatedInProcess); |
| |
| void trace(Visitor*) { } |
| |
| private: |
| static bool isEventSource(Storage*, blink::WebStorageArea* sourceAreaInstance); |
| |
| OwnPtr<blink::WebStorageArea> m_storageArea; |
| StorageType m_storageType; |
| bool m_canAccessStorageCachedResult; |
| LocalFrame* m_canAccessStorageCachedFrame; |
| }; |
| |
| } // namespace blink |
| |
| #endif // StorageArea_h |