DatabaseBackendBase.h [plain text]
#ifndef DatabaseBackendBase_h
#define DatabaseBackendBase_h
#if ENABLE(SQL_DATABASE)
#include "DatabaseBasicTypes.h"
#include "DatabaseDetails.h"
#include "DatabaseError.h"
#include "SQLiteDatabase.h"
#include <wtf/Forward.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadSafeRefCounted.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class DatabaseAuthorizer;
class DatabaseBackendContext;
class DatabaseBase;
class SecurityOrigin;
class DatabaseBackendBase : public ThreadSafeRefCounted<DatabaseBackendBase> {
public:
virtual ~DatabaseBackendBase();
virtual String version() const;
bool opened() const { return m_opened; }
bool isNew() const { return m_new; }
bool isSyncDatabase() const { return m_isSyncDatabase; }
virtual SecurityOrigin* securityOrigin() const;
virtual String stringIdentifier() const;
virtual String displayName() const;
virtual unsigned long estimatedSize() const;
virtual String fileName() const;
virtual DatabaseDetails details() const;
SQLiteDatabase& sqliteDatabase() { return m_sqliteDatabase; }
unsigned long long maximumSize() const;
void incrementalVacuumIfNeeded();
void interrupt();
bool isInterrupted();
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;
DatabaseBackendContext* databaseContext() const { return m_databaseContext.get(); }
void setFrontend(DatabaseBase* frontend) { m_frontend = frontend; }
protected:
friend class ChangeVersionWrapper;
friend class SQLStatementBackend;
friend class SQLStatementSync;
friend class SQLTransactionBackend;
friend class SQLTransactionBackendSync;
DatabaseBackendBase(PassRefPtr<DatabaseBackendContext>, const String& name, const String& expectedVersion,
const String& displayName, unsigned long estimatedSize, DatabaseType);
void closeDatabase();
virtual bool openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage) = 0;
virtual bool performOpenAndVerify(bool shouldSetVersionInNewDatabase, DatabaseError&, String& errorMessage);
bool getVersionFromDatabase(String& version, bool shouldCacheVersion = true);
bool setVersionInDatabase(const String& version, bool shouldCacheVersion = true);
void setExpectedVersion(const String&);
const String& expectedVersion() const { return m_expectedVersion; }
String getCachedVersion()const;
void setCachedVersion(const String&);
bool getActualVersionForTransaction(String& version);
static const char* databaseInfoTableName();
#if !LOG_DISABLED || !ERROR_DISABLED
String databaseDebugName() const;
#endif
RefPtr<SecurityOrigin> m_contextThreadSecurityOrigin;
RefPtr<DatabaseBackendContext> m_databaseContext;
String m_name;
String m_expectedVersion;
String m_displayName;
unsigned long m_estimatedSize;
String m_filename;
DatabaseBase* m_frontend;
private:
DatabaseGuid m_guid;
bool m_opened;
bool m_new;
const bool m_isSyncDatabase;
SQLiteDatabase m_sqliteDatabase;
RefPtr<DatabaseAuthorizer> m_databaseAuthorizer;
friend class DatabaseServer;
};
}
#endif // ENABLE(SQL_DATABASE)
#endif // DatabaseBackendBase_h