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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 AbstractDatabase_h
#define AbstractDatabase_h
#if ENABLE(DATABASE)
#include "ExceptionCode.h"
#include "PlatformString.h"
#include "SQLiteDatabase.h"
#include <wtf/Forward.h>
#include <wtf/ThreadSafeRefCounted.h>
#ifndef NDEBUG
#include "SecurityOrigin.h"
#endif
namespace WebCore {
class DatabaseAuthorizer;
class ScriptExecutionContext;
class SecurityOrigin;
class AbstractDatabase : public ThreadSafeRefCounted<AbstractDatabase> {
public:
static bool isAvailable();
static void setIsAvailable(bool available);
virtual ~AbstractDatabase();
virtual String version() const;
bool opened() const { return m_opened; }
bool isNew() const { return m_new; }
virtual ScriptExecutionContext* scriptExecutionContext() const;
virtual SecurityOrigin* securityOrigin() const;
virtual String stringIdentifier() const;
virtual String displayName() const;
virtual unsigned long estimatedSize() const;
virtual String fileName() const;
SQLiteDatabase& sqliteDatabase() { return m_sqliteDatabase; }
unsigned long long maximumSize() const;
void incrementalVacuumIfNeeded();
void interrupt();
bool isInterrupted();
// FIXME: move all version-related methods to a DatabaseVersionTracker class
bool versionMatchesExpected() const;
void setExpectedVersion(const String& version);
bool getVersionFromDatabase(String& version);
bool setVersionInDatabase(const String& version);
void disableAuthorizer();
void enableAuthorizer();
void setAuthorizerReadOnly();
void setAuthorizerPermissions(int permissions);
bool lastActionChangedDatabase();
bool lastActionWasInsert();
void resetDeletes();
bool hadDeletes();
void resetAuthorizer();
virtual void markAsDeletedAndClose() = 0;
virtual void closeImmediately() = 0;
protected:
AbstractDatabase(ScriptExecutionContext*, const String& name, const String& expectedVersion,
const String& displayName, unsigned long estimatedSize);
void closeDatabase();
virtual bool performOpenAndVerify(bool shouldSetVersionInNewDatabase, ExceptionCode& ec);
static const String& databaseInfoTableName();
RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
RefPtr<SecurityOrigin> m_contextThreadSecurityOrigin;
String m_name;
String m_expectedVersion;
String m_displayName;
unsigned long m_estimatedSize;
String m_filename;
#ifndef NDEBUG
String databaseDebugName() const { return m_contextThreadSecurityOrigin->toString() + "::" + m_name; }
#endif
private:
static const String& databaseVersionKey();
int m_guid;
bool m_opened;
bool m_new;
SQLiteDatabase m_sqliteDatabase;
RefPtr<DatabaseAuthorizer> m_databaseAuthorizer;
};
} // namespace WebCore
#endif // ENABLE(DATABASE)
#endif // AbstractDatabase_h
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