qdbusconnectioninterface.h

QT 开发环境里面一个很重要的文件

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the tools applications of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#ifndef QDBUSBUS_H
#define QDBUSBUS_H

#include <QtCore/qstringlist.h>

#include <QtDBus/qdbusabstractinterface.h>
#include <QtDBus/qdbusreply.h>

QT_BEGIN_HEADER


class QDBusConnection;
class QString;
class QByteArray;

/*
 * Proxy class for interface org.freedesktop.DBus
 */
class QDBUS_EXPORT QDBusConnectionInterface: public QDBusAbstractInterface
{
    Q_OBJECT
    friend class QDBusConnection;
    static inline const char *staticInterfaceName();

    explicit QDBusConnectionInterface(const QDBusConnection &connection, QObject *parent);
    ~QDBusConnectionInterface();

public:
    enum ServiceQueueOptions {
        DontQueueService,
        QueueService,
        ReplaceExistingService
    };
    enum ServiceReplacementOptions {
        DontAllowReplacement,
        AllowReplacement
    };
    enum RegisterServiceReply {
        ServiceNotRegistered = 0,
        ServiceRegistered,
        ServiceQueued
    };

public Q_SLOTS:
    QDBusReply<QStringList> registeredServiceNames() const;
    QDBusReply<bool> isServiceRegistered(const QString &serviceName) const;
    QDBusReply<QString> serviceOwner(const QString &name) const;
    QDBusReply<bool> unregisterService(const QString &serviceName);
    QDBusReply<RegisterServiceReply> registerService(const QString &serviceName,
                                                     ServiceQueueOptions qoption = DontQueueService,
                                                     ServiceReplacementOptions roption = DontAllowReplacement);

    QDBusReply<uint> servicePid(const QString &serviceName) const;
    QDBusReply<uint> serviceUid(const QString &serviceName) const;

    QDBusReply<void> startService(const QString &name);

Q_SIGNALS:
    void serviceRegistered(const QString &service);
    void serviceUnregistered(const QString &service);
    void serviceOwnerChanged(const QString &name, const QString &oldOwner, const QString &newOwner);

#ifndef Q_QDOC
    // internal signals
    // do not use
    void NameAcquired(const QString &);
    void NameLost(const QString &);
    void NameOwnerChanged(const QString &, const QString &, const QString &);
#endif
};

Q_DECLARE_BUILTIN_METATYPE(QDBusConnectionInterface::RegisterServiceReply, UInt)

QT_END_HEADER

#endif