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****************************************************************************/

#ifndef DATABASEMANAGER_H_

#define DATABASEMANAGER_H_

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "qmobilityglobal.h"

#include "servicedatabase_p.h"

#include <QObject>

QT_BEGIN_HEADER

QTM_BEGIN_NAMESPACE

class DatabaseFileWatcher;

#if defined(Q_OS_SYMBIAN) && defined(DATABASEMANAGERSERVER_NO_LIBRARY)

class Q_SERVICEFW_EXPORT DatabaseManager : public QObject

#else

class Q_AUTOTEST_EXPORT DatabaseManager : public QObject

#endif

{

    Q_OBJECT

    public:

        enum DbScope{UserScope, SystemScope, UserOnlyScope};

        DatabaseManager(void);

        virtual ~DatabaseManager();

        bool registerService(ServiceMetaDataResults &service, DbScope scope);

        bool unregisterService(const QString &serviceName, DbScope scope);

        QList<QServiceInterfaceDescriptor> getInterfaces(const QServiceFilter &filter, DbScope scope);

        QStringList getServiceNames(const QString &interfaceName, DbScope scope);

        QServiceInterfaceDescriptor interfaceDefault(const QString &interfaceName, DbScope scope);

        bool setInterfaceDefault(const QString &serviceName, const QString &interfaceName, DbScope scope);

        bool setInterfaceDefault(const QServiceInterfaceDescriptor &interface, DbScope scope);

        DBError lastError(){ return m_lastError;}

        void setChangeNotificationsEnabled(DbScope scope, bool enabled);

    signals:

        void serviceAdded(const QString &serviceName, DatabaseManager::DbScope scope);

        void serviceRemoved(const QString &serviceName, DatabaseManager::DbScope scope);

    private:

        void initDbPath(DbScope scope);

        bool openDb(DbScope scope);

        ServiceDatabase *m_userDb;

        ServiceDatabase *m_systemDb;

        DBError m_lastError;

        friend class DatabaseFileWatcher;

        DatabaseFileWatcher *m_fileWatcher;

        QServiceInterfaceDescriptor latestDescriptor(const QList<QServiceInterfaceDescriptor> &descriptors);

        bool m_hasAccessedUserDb;

        bool m_alreadyWarnedOpenError;

};

#if defined(Q_OS_SYMBIAN) && defined(DATABASEMANAGERSERVER_NO_LIBRARY)

class Q_SERVICEFW_EXPORT DatabaseFileWatcher : public QObject

#else

class Q_AUTOTEST_EXPORT DatabaseFileWatcher : public QObject

#endif

{

    Q_OBJECT

public:

    DatabaseFileWatcher(DatabaseManager *parent = 0);

    void setEnabled(ServiceDatabase *database, bool enabled);

private slots:

    void databaseChanged(const QString &path);

    void databaseDirectoryChanged(const QString &path);

private:

    void notifyChanges(ServiceDatabase *database, DatabaseManager::DbScope scope);

    QString closestExistingParent(const QString &path);

    void restartDirMonitoring(const QString &dbPath, const QString &previousDirPath);

    DatabaseManager *m_manager;

    QFileSystemWatcher *m_watcher;

    QHash<QString, QStringList> m_knownServices;

    QStringList m_monitoredDbPaths;

};

QTM_END_NAMESPACE

QT_END_HEADER

#endif