IDBCursorBackendImpl.h [plain text]
#ifndef IDBCursorBackendImpl_h
#define IDBCursorBackendImpl_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBBackingStore.h"
#include "IDBCursor.h"
#include "IDBCursorBackendInterface.h"
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class IDBDatabaseBackendImpl;
class IDBIndexBackendImpl;
class IDBKeyRange;
class IDBObjectStoreBackendInterface;
class IDBBackingStore;
class IDBTransactionBackendInterface;
class SerializedScriptValue;
class IDBCursorBackendImpl : public IDBCursorBackendInterface {
public:
static PassRefPtr<IDBCursorBackendImpl> create(PassRefPtr<IDBBackingStore::Cursor> cursor, IDBCursor::Direction direction, CursorType cursorType, IDBTransactionBackendInterface* transaction, IDBObjectStoreBackendInterface* objectStore)
{
return adoptRef(new IDBCursorBackendImpl(cursor, direction, cursorType, transaction, objectStore));
}
virtual ~IDBCursorBackendImpl();
virtual unsigned short direction() const;
virtual PassRefPtr<IDBKey> key() const;
virtual PassRefPtr<IDBKey> primaryKey() const;
virtual PassRefPtr<SerializedScriptValue> value() const;
virtual void update(PassRefPtr<SerializedScriptValue>, PassRefPtr<IDBCallbacks>, ExceptionCode&);
virtual void advance(unsigned long, PassRefPtr<IDBCallbacks>, ExceptionCode&);
virtual void continueFunction(PassRefPtr<IDBKey>, PassRefPtr<IDBCallbacks>, ExceptionCode&);
virtual void deleteFunction(PassRefPtr<IDBCallbacks>, ExceptionCode&);
virtual void prefetchContinue(int numberToFetch, PassRefPtr<IDBCallbacks>, ExceptionCode&);
virtual void prefetchReset(int usedPrefetches, int unusedPrefetches);
void close();
virtual void postSuccessHandlerCallback() { ASSERT_NOT_REACHED(); }
private:
IDBCursorBackendImpl(PassRefPtr<IDBBackingStore::Cursor>, IDBCursor::Direction, CursorType, IDBTransactionBackendInterface*, IDBObjectStoreBackendInterface*);
static void advanceInternal(ScriptExecutionContext*, PassRefPtr<IDBCursorBackendImpl>, unsigned long, PassRefPtr<IDBCallbacks>);
static void continueFunctionInternal(ScriptExecutionContext*, PassRefPtr<IDBCursorBackendImpl>, PassRefPtr<IDBKey>, PassRefPtr<IDBCallbacks>);
static void prefetchContinueInternal(ScriptExecutionContext*, PassRefPtr<IDBCursorBackendImpl>, int numberToFetch, PassRefPtr<IDBCallbacks>);
RefPtr<IDBBackingStore::Cursor> m_cursor;
RefPtr<IDBBackingStore::Cursor> m_savedCursor;
IDBCursor::Direction m_direction;
CursorType m_cursorType;
RefPtr<IDBTransactionBackendInterface> m_transaction;
RefPtr<IDBObjectStoreBackendInterface> m_objectStore;
bool m_closed;
};
}
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBCursorBackendImpl_h