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29 #include "heap/Handle.h"
30 #include "wtf/OwnPtr.h"
31 #include "wtf/PassOwnPtr.h"
32 #include "wtf/text/WTFString.h"
36 class WebStorageNamespace;
53 class StorageArea : public NoBaseWillBeGarbageCollectedFinalized<StorageArea> {
56 StorageArea(PassOwnPtr<blink::WebStorageArea>, StorageType);
57 virtual ~StorageArea();
59 // The HTML5 DOM Storage API
60 unsigned length(ExceptionState&, Frame* sourceFrame);
61 String key(unsigned index, ExceptionState&, Frame* sourceFrame);
62 String getItem(const String& key, ExceptionState&, Frame* sourceFrame);
63 void setItem(const String& key, const String& value, ExceptionState&, Frame* sourceFrame);
64 void removeItem(const String& key, ExceptionState&, Frame* sourceFrame);
65 void clear(ExceptionState&, Frame* sourceFrame);
66 bool contains(const String& key, ExceptionState&, Frame* sourceFrame);
68 bool canAccessStorage(Frame*);
69 size_t memoryBytesUsedByCache();
71 static void dispatchLocalStorageEvent(const String& key, const String& oldValue, const String& newValue,
72 SecurityOrigin*, const KURL& pageURL, blink::WebStorageArea* sourceAreaInstance, bool originatedInProcess);
73 static void dispatchSessionStorageEvent(const String& key, const String& oldValue, const String& newValue,
74 SecurityOrigin*, const KURL& pageURL, const blink::WebStorageNamespace&,
75 blink::WebStorageArea* sourceAreaInstance, bool originatedInProcess);
77 void trace(Visitor*) { }
80 static bool isEventSource(Storage*, blink::WebStorageArea* sourceAreaInstance);
82 OwnPtr<blink::WebStorageArea> m_storageArea;
83 StorageType m_storageType;
84 mutable bool m_canAccessStorageCachedResult;
85 mutable Frame* m_canAccessStorageCachedFrame;
88 } // namespace WebCore
90 #endif // StorageArea_h