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diff --git a/src/dbus/qdbusconnection.h b/src/dbus/qdbusconnection.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDBus module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDBUSCONNECTION_H
+#define QDBUSCONNECTION_H
+
+#include <QtDBus/qdbusmacros.h>
+#include <QtCore/qstring.h>
+
+#ifndef QT_NO_DBUS
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(DBus)
+
+namespace QDBus
+{
+    enum CallMode {
+        NoBlock,
+        Block,
+        BlockWithGui,
+        AutoDetect
+    };
+}
+
+class QDBusAbstractInterfacePrivate;
+class QDBusInterface;
+class QDBusError;
+class QDBusMessage;
+class QDBusPendingCall;
+class QDBusConnectionInterface;
+class QObject;
+
+class QDBusConnectionPrivate;
+class Q_DBUS_EXPORT QDBusConnection
+{
+    Q_GADGET
+    Q_ENUMS(BusType UnregisterMode)
+    Q_FLAGS(RegisterOptions)
+public:
+    enum BusType { SessionBus, SystemBus, ActivationBus };
+    enum RegisterOption {
+        ExportAdaptors = 0x01,
+
+        ExportScriptableSlots = 0x10,
+        ExportScriptableSignals = 0x20,
+        ExportScriptableProperties = 0x40,
+        ExportScriptableInvokables = 0x80,
+        ExportScriptableContents = 0xf0,
+
+        ExportNonScriptableSlots = 0x100,
+        ExportNonScriptableSignals = 0x200,
+        ExportNonScriptableProperties = 0x400,
+        ExportNonScriptableInvokables = 0x800,
+        ExportNonScriptableContents = 0xf00,
+
+        ExportAllSlots = ExportScriptableSlots|ExportNonScriptableSlots,
+        ExportAllSignals = ExportScriptableSignals|ExportNonScriptableSignals,
+        ExportAllProperties = ExportScriptableProperties|ExportNonScriptableProperties,
+        ExportAllInvokables = ExportScriptableInvokables|ExportNonScriptableInvokables,
+        ExportAllContents = ExportScriptableContents|ExportNonScriptableContents,
+
+#ifndef Q_QDOC
+        // Qt 4.2 had a misspelling here
+        ExportAllSignal = ExportAllSignals,
+#endif
+
+        ExportChildObjects = 0x1000
+    };
+    enum UnregisterMode {
+        UnregisterNode,
+        UnregisterTree
+    };
+    Q_DECLARE_FLAGS(RegisterOptions, RegisterOption)
+
+    enum ConnectionCapability {
+        UnixFileDescriptorPassing = 0x0001
+    };
+    Q_DECLARE_FLAGS(ConnectionCapabilities, ConnectionCapability)
+
+    QDBusConnection(const QString &name);
+    QDBusConnection(const QDBusConnection &other);
+    ~QDBusConnection();
+
+    QDBusConnection &operator=(const QDBusConnection &other);
+
+    bool isConnected() const;
+    QString baseService() const;
+    QDBusError lastError() const;
+    QString name() const;
+    ConnectionCapabilities connectionCapabilities() const;
+
+    bool send(const QDBusMessage &message) const;
+    bool callWithCallback(const QDBusMessage &message, QObject *receiver,
+                          const char *returnMethod, const char *errorMethod,
+                          int timeout = -1) 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;
+    QDBusPendingCall asyncCall(const QDBusMessage &message, int timeout = -1) const;
+
+    bool connect(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 connect(const QString &service, const QString &path, const QString &interface,
+                 const QString &name, const QStringList &argumentMatch, const QString& signature,
+                 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 disconnect(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 QStringList &argumentMatch, 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;
+
+    void *internalPointer() const;
+
+    static QDBusConnection connectToBus(BusType type, const QString &name);
+    static QDBusConnection connectToBus(const QString &address, const QString &name);
+    static QDBusConnection connectToPeer(const QString &address, const QString &name);
+    static void disconnectFromBus(const QString &name);
+    static void disconnectFromPeer(const QString &name);
+
+    static QDBusConnection sessionBus();
+    static QDBusConnection systemBus();
+
+    static QDBusConnection sender();
+
+protected:
+    explicit QDBusConnection(QDBusConnectionPrivate *dd);
+
+private:
+    friend class QDBusConnectionPrivate;
+    QDBusConnectionPrivate *d;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QDBusConnection::RegisterOptions)
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_DBUS
+#endif