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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.
* 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 DatabaseSync_h
#define DatabaseSync_h
#if ENABLE(DATABASE)
#include "PlatformString.h"
#include <wtf/Forward.h>
namespace WebCore {
class DatabaseCallback;
class SQLTransactionSyncCallback;
class ScriptExecutionContext;
typedef int ExceptionCode;
// Instances of this class should be created and used only on the worker's context thread.
class DatabaseSync : public RefCounted<DatabaseSync> {
public:
static void setIsAvailable(bool);
static bool isAvailable();
~DatabaseSync();
// Direct support for the DOM API
static PassRefPtr<DatabaseSync> openDatabaseSync(ScriptExecutionContext*, const String& name, const String& expectedVersion,
const String& displayName, unsigned long estimatedSize, PassRefPtr<DatabaseCallback>, ExceptionCode&);
String version() const;
void changeVersion(const String& oldVersion, const String& newVersion, PassRefPtr<SQLTransactionSyncCallback>, ExceptionCode&);
void transaction(PassRefPtr<SQLTransactionSyncCallback>, bool readOnly, ExceptionCode&);
// Internal engine support
ScriptExecutionContext* scriptExecutionContext() const;
static const String& databaseInfoTableName();
private:
DatabaseSync(ScriptExecutionContext*, const String& name, const String& expectedVersion,
const String& displayName, unsigned long estimatedSize, PassRefPtr<DatabaseCallback>);
RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
String m_name;
String m_expectedVersion;
String m_displayName;
unsigned long m_estimatedSize;
RefPtr<DatabaseCallback> m_creationCallback;
#ifndef NDEBUG
String databaseDebugName() const { return String(); }
#endif
};
} // namespace WebCore
#endif // ENABLE(DATABASE)
#endif // DatabaseSync_h
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