| /* |
| * 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 StorageAreaProxy_h |
| #define StorageAreaProxy_h |
| |
| #include "core/storage/StorageArea.h" |
| |
| namespace blink { |
| class WebStorageArea; |
| class WebStorageNamespace; |
| } |
| |
| namespace WebCore { |
| |
| class ExceptionState; |
| class Frame; |
| class KURL; |
| class Page; |
| class SecurityOrigin; |
| class Storage; |
| |
| class StorageAreaProxy : public StorageArea { |
| public: |
| StorageAreaProxy(PassOwnPtr<blink::WebStorageArea>, StorageType); |
| virtual ~StorageAreaProxy(); |
| |
| // The HTML5 DOM Storage API |
| virtual unsigned length(ExceptionState&, Frame* sourceFrame); |
| virtual String key(unsigned index, ExceptionState&, Frame* sourceFrame); |
| virtual String getItem(const String& key, ExceptionState&, Frame* sourceFrame); |
| virtual void setItem(const String& key, const String& value, ExceptionState&, Frame* sourceFrame); |
| virtual void removeItem(const String& key, ExceptionState&, Frame* sourceFrame); |
| virtual void clear(ExceptionState&, Frame* sourceFrame); |
| virtual bool contains(const String& key, ExceptionState&, Frame* sourceFrame); |
| |
| virtual bool canAccessStorage(Frame*); |
| |
| virtual 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); |
| |
| private: |
| static bool isEventSource(Storage*, blink::WebStorageArea* sourceAreaInstance); |
| |
| OwnPtr<blink::WebStorageArea> m_storageArea; |
| StorageType m_storageType; |
| mutable bool m_canAccessStorageCachedResult; |
| mutable Frame* m_canAccessStorageCachedFrame; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // StorageAreaProxy_h |