qdbusconnection.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:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/

#ifndef QDBUSCONNECTION_H
#define QDBUSCONNECTION_H

#include <QtDBus/qdbusmacros.h>
#include <QtCore/qstring.h>

QT_BEGIN_HEADER

namespace QDBus
{
    enum CallMode {
        NoBlock,
        Block,
        BlockWithGui,
        AutoDetect
    };
}

class QDBusAbstractInterfacePrivate;
class QDBusInterface;
class QDBusError;
class QDBusMessage;
class QDBusConnectionInterface;
class QObject;

class QDBusConnectionPrivate;
class QDBUS_EXPORT QDBusConnection
{
public:
    enum BusType { SessionBus, SystemBus, ActivationBus };
    enum RegisterOption {
        ExportAdaptors = 0x01,

        ExportScriptableSlots = 0x10,
        ExportScriptableSignals = 0x20,
        ExportScriptableProperties = 0x40,
        ExportScriptableContents = 0xf0,

        ExportNonScriptableSlots = 0x100,
        ExportNonScriptableSignals = 0x200,
        ExportNonScriptableProperties = 0x400,
        ExportNonScriptableContents = 0xf00,

        ExportAllSlots = ExportScriptableSlots|ExportNonScriptableSlots,
        ExportAllSignal = ExportScriptableSignals|ExportNonScriptableSignals,
        ExportAllProperties = ExportScriptableProperties|ExportNonScriptableProperties,
        ExportAllContents = ExportScriptableContents|ExportNonScriptableContents,

        ExportChildObjects = 0x1000
    };
    enum UnregisterMode {
        UnregisterNode,
        UnregisterTree
    };

    Q_DECLARE_FLAGS(RegisterOptions, RegisterOption)

    QDBusConnection(const QString &name);
    QDBusConnection(const QDBusConnection &other);
    ~QDBusConnection();

    QDBusConnection &operator=(const QDBusConnection &other);

    bool isConnected() const;
    QString baseService() const;
    QDBusError lastError() const;

    bool send(const QDBusMessage &message) const;
    bool callWithCallback(const QDBusMessage &message, QObject *receiver,
                          const char *slot, int timeout = -1) const;
    QDBusMessage call(const QDBusMessage &message, QDBus::CallMode mode = QDBus::Block,
                      int timeout = -1) const;

    bool connect(const QString &service, const QString &path, const QString &interface,
                 const QString &name, QObject *receiver, const char *slot);
    bool disconnect(const QString &service, const QString &path, const QString &interface,
                    const QString &name, QObject *receiver, const char *slot);

    bool connect(const QString &service, const QString &path, const QString &interface,
                 const QString &name, const QString& signature,
                 QObject *receiver, const char *slot);
    bool disconnect(const QString &service, const QString &path, const QString &interface,
                    const QString &name, const QString& signature,
                    QObject *receiver, const char *slot);

    bool registerObject(const QString &path, QObject *object,
                        RegisterOptions options = ExportAdaptors);
    void unregisterObject(const QString &path, UnregisterMode mode = UnregisterNode);
    QObject *objectRegisteredAt(const QString &path) const;

    bool registerService(const QString &serviceName);
    bool unregisterService(const QString &serviceName);

    QDBusConnectionInterface *interface() const;

    static QDBusConnection connectToBus(BusType type, const QString &name);
    static QDBusConnection connectToBus(const QString &address, const QString &name);
    static void disconnectFromBus(const QString &name);

    static QDBusConnection sessionBus();
    static QDBusConnection systemBus();

    static QDBusConnection sender();

protected:
    QDBusConnection(QDBusConnectionPrivate *dd);

private:
    friend class QDBusConnectionPrivate;
    QDBusConnectionPrivate *d;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QDBusConnection::RegisterOptions)

QT_END_HEADER

#endif