#ifndef StorageArea_h
#define StorageArea_h
#include "heap/Handle.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/text/WTFString.h"
namespace blink {
class WebStorageArea;
class WebStorageNamespace;
}
namespace WebCore {
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();
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;
};
}
#endif