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/*
* Copyright (C) 2007, 2008 Apple 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 Database_h
#define Database_h
#if ENABLE(DATABASE)
#include "AbstractDatabase.h"
#include "ExceptionCode.h"
#include "PlatformString.h"
#include <wtf/Deque.h>
#include <wtf/Forward.h>
namespace WebCore {
class DatabaseCallback;
class ScriptExecutionContext;
class SecurityOrigin;
class SQLTransaction;
class SQLTransactionCallback;
class SQLTransactionClient;
class SQLTransactionCoordinator;
class SQLTransactionErrorCallback;
class VoidCallback;
class Database : public AbstractDatabase {
public:
virtual ~Database();
// Direct support for the DOM API
static PassRefPtr<Database> openDatabase(ScriptExecutionContext*, const String& name, const String& expectedVersion, const String& displayName,
unsigned long estimatedSize, PassRefPtr<DatabaseCallback>, ExceptionCode&);
virtual String version() const;
void changeVersion(const String& oldVersion, const String& newVersion, PassRefPtr<SQLTransactionCallback>,
PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback);
void transaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback);
void readTransaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback);
// Internal engine support
Vector<String> tableNames();
virtual SecurityOrigin* securityOrigin() const;
virtual void markAsDeletedAndClose();
bool deleted() const { return m_deleted; }
void close();
virtual void closeImmediately();
unsigned long long databaseSize() const;
unsigned long long maximumSize() const;
void scheduleTransactionCallback(SQLTransaction*);
void scheduleTransactionStep(SQLTransaction*, bool immediately = false);
SQLTransactionClient* transactionClient() const;
SQLTransactionCoordinator* transactionCoordinator() const;
private:
class DatabaseOpenTask;
class DatabaseCloseTask;
class DatabaseTransactionTask;
class DatabaseTableNamesTask;
Database(ScriptExecutionContext*, const String& name, const String& expectedVersion,
const String& displayName, unsigned long estimatedSize);
void runTransaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>,
PassRefPtr<VoidCallback> successCallback, bool readOnly);
bool openAndVerifyVersion(bool setVersionInNewDatabase, ExceptionCode&);
virtual bool performOpenAndVerify(bool setVersionInNewDatabase, ExceptionCode&);
void inProgressTransactionCompleted();
void scheduleTransaction();
Vector<String> performGetTableNames();
static void deliverPendingCallback(void*);
Deque<RefPtr<SQLTransaction> > m_transactionQueue;
Mutex m_transactionInProgressMutex;
bool m_transactionInProgress;
bool m_isTransactionQueueEnabled;
RefPtr<SecurityOrigin> m_databaseThreadSecurityOrigin;
bool m_deleted;
};
} // namespace WebCore
#endif // ENABLE(DATABASE)
#endif // Database_h
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