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/*
* Copyright (C) 2010 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 APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS 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 IDBTransaction_h
#define IDBTransaction_h
#if ENABLE(INDEXED_DATABASE)
#include "ActiveDOMObject.h"
#include "DOMStringList.h"
#include "EventListener.h"
#include "EventNames.h"
#include "EventTarget.h"
#include "IDBTransactionBackendInterface.h"
#include "IDBTransactionCallbacks.h"
#include "Timer.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class IDBDatabase;
class IDBObjectStore;
class IDBTransaction : public IDBTransactionCallbacks, public EventTarget, public ActiveDOMObject {
public:
static PassRefPtr<IDBTransaction> create(ScriptExecutionContext* context, PassRefPtr<IDBTransactionBackendInterface> backend, IDBDatabase* db)
{
return adoptRef(new IDBTransaction(context, backend, db));
}
virtual ~IDBTransaction();
enum Mode {
READ_WRITE = 0,
READ_ONLY = 1,
SNAPSHOT_READ = 2
};
unsigned short mode() const;
IDBDatabase* db();
PassRefPtr<IDBObjectStore> objectStore(const String& name, const ExceptionCode&);
void abort();
DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
DEFINE_ATTRIBUTE_EVENT_LISTENER(complete);
DEFINE_ATTRIBUTE_EVENT_LISTENER(timeout);
// IDBTransactionCallbacks
virtual void onAbort();
virtual int id() const;
// EventTarget
virtual IDBTransaction* toIDBTransaction() { return this; }
// ActiveDOMObject
virtual ScriptExecutionContext* scriptExecutionContext() const;
virtual bool canSuspend() const;
virtual void stop();
using RefCounted<IDBTransactionCallbacks>::ref;
using RefCounted<IDBTransactionCallbacks>::deref;
private:
IDBTransaction(ScriptExecutionContext*, PassRefPtr<IDBTransactionBackendInterface>, IDBDatabase*);
// EventTarget
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
virtual EventTargetData* eventTargetData();
virtual EventTargetData* ensureEventTargetData();
void timerFired(Timer<IDBTransaction>*);
EventTargetData m_eventTargetData;
RefPtr<IDBTransactionBackendInterface> m_backend;
RefPtr<IDBDatabase> m_database;
bool m_stopped;
Timer<IDBTransaction> m_timer;
RefPtr<IDBTransaction> m_selfRef; // This is set to us iff there's an event pending.
};
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBTransaction_h
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