#ifndef StorageArea_h
#define StorageArea_h
#include "PlatformString.h"
#include <wtf/Forward.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class Frame;
class SecurityOrigin;
class StorageMap;
typedef int ExceptionCode;
class StorageArea : public RefCounted<StorageArea> {
public:
virtual ~StorageArea();
virtual unsigned length() const { return internalLength(); }
virtual String key(unsigned index, ExceptionCode& ec) const { return internalKey(index, ec); }
virtual String getItem(const String& key) const { return internalGetItem(key); }
virtual void setItem(const String& key, const String& value, ExceptionCode& ec, Frame* sourceFrame) { internalSetItem(key, value, ec, sourceFrame); }
virtual void removeItem(const String& key, Frame* sourceFrame) { internalRemoveItem(key, sourceFrame); }
virtual void clear(Frame* sourceFrame) { internalClear(sourceFrame); }
virtual bool contains(const String& key) const { return internalContains(key); }
SecurityOrigin* securityOrigin() { return m_securityOrigin.get(); }
protected:
StorageArea(SecurityOrigin*);
StorageArea(SecurityOrigin*, StorageArea*);
unsigned internalLength() const;
String internalKey(unsigned index, ExceptionCode&) const;
String internalGetItem(const String&) const;
void internalSetItem(const String& key, const String& value, ExceptionCode&, Frame* sourceFrame);
void internalRemoveItem(const String&, Frame* sourceFrame);
void internalClear(Frame* sourceFrame);
bool internalContains(const String& key) const;
void importItem(const String& key, const String& value);
private:
virtual void itemChanged(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame) = 0;
virtual void itemRemoved(const String& key, const String& oldValue, Frame* sourceFrame) = 0;
virtual void areaCleared(Frame* sourceFrame) = 0;
RefPtr<SecurityOrigin> m_securityOrigin;
RefPtr<StorageMap> m_storageMap;
};
}
#endif // StorageArea_h