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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 IDBDatabase_h
#define IDBDatabase_h
#include "ActiveDOMObject.h"
#include "DOMStringList.h"
#include "Event.h"
#include "EventTarget.h"
#include "ExceptionCode.h"
#include "IDBDatabaseBackendInterface.h"
#include "IDBDatabaseCallbacksImpl.h"
#include "IDBObjectStore.h"
#include "IDBTransaction.h"
#include "OptionsObject.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#if ENABLE(INDEXED_DATABASE)
namespace WebCore {
class IDBVersionChangeRequest;
class ScriptExecutionContext;
class IDBDatabase : public RefCounted<IDBDatabase>, public EventTarget, public ActiveDOMObject {
public:
static PassRefPtr<IDBDatabase> create(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendInterface>);
~IDBDatabase();
void setSetVersionTransaction(IDBTransaction*);
// Implement the IDL
String name() const { return m_backend->name(); }
String version() const { return m_backend->version(); }
PassRefPtr<DOMStringList> objectStoreNames() const { return m_backend->objectStoreNames(); }
// FIXME: Try to modify the code generator so this is unneeded.
PassRefPtr<IDBObjectStore> createObjectStore(const String& name, ExceptionCode& ec) { return createObjectStore(name, OptionsObject(), ec); }
PassRefPtr<IDBTransaction> transaction(ScriptExecutionContext* context, ExceptionCode& ec) { return transaction(context, 0, ec); }
PassRefPtr<IDBTransaction> transaction(ScriptExecutionContext* context, PassRefPtr<DOMStringList> storeNames, ExceptionCode& ec) { return transaction(context, storeNames, IDBTransaction::READ_ONLY, ec); }
PassRefPtr<IDBTransaction> transaction(ScriptExecutionContext*, PassRefPtr<DOMStringList>, unsigned short mode, ExceptionCode&);
PassRefPtr<IDBObjectStore> createObjectStore(const String& name, const OptionsObject&, ExceptionCode&);
void deleteObjectStore(const String& name, ExceptionCode&);
PassRefPtr<IDBVersionChangeRequest> setVersion(ScriptExecutionContext*, const String& version, ExceptionCode&);
void close();
DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
DEFINE_ATTRIBUTE_EVENT_LISTENER(versionchange);
// IDBDatabaseCallbacks
virtual void onVersionChange(const String& requestedVersion);
// ActiveDOMObject
virtual bool hasPendingActivity() const;
virtual void stop();
// EventTarget
virtual IDBDatabase* toIDBDatabase() { return this; }
virtual ScriptExecutionContext* scriptExecutionContext() const;
void open();
void enqueueEvent(PassRefPtr<Event>);
bool dispatchEvent(PassRefPtr<Event> event, ExceptionCode& ec) { return EventTarget::dispatchEvent(event, ec); }
virtual bool dispatchEvent(PassRefPtr<Event>);
using RefCounted<IDBDatabase>::ref;
using RefCounted<IDBDatabase>::deref;
private:
IDBDatabase(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendInterface>);
// EventTarget
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
virtual EventTargetData* eventTargetData();
virtual EventTargetData* ensureEventTargetData();
RefPtr<IDBDatabaseBackendInterface> m_backend;
RefPtr<IDBTransaction> m_setVersionTransaction;
bool m_noNewTransactions;
bool m_stopped;
EventTargetData m_eventTargetData;
// Keep track of the versionchange events waiting to be fired on this
// database so that we can cancel them if the database closes.
Vector<RefPtr<Event> > m_enqueuedEvents;
RefPtr<IDBDatabaseCallbacksImpl> m_databaseCallbacks;
};
} // namespace WebCore
#endif
#endif // IDBDatabase_h
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