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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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** This file is part of the QtDBus module of the Qt Toolkit.

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** No Commercial Usage

** This file contains pre-release code and may not be distributed.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** 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

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** $QT_END_LICENSE$

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

#ifndef QDBUSPENDINGCALL_H

#define QDBUSPENDINGCALL_H

#include <QtCore/qglobal.h>

#include <QtCore/qobject.h>

#include <QtCore/qshareddata.h>

#include <QtDBus/qdbusmacros.h>

#include <QtDBus/qdbusmessage.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(DBus)

class QDBusConnection;

class QDBusError;

class QDBusPendingCallWatcher;

class QDBusPendingCallPrivate;

class QDBUS_EXPORT QDBusPendingCall

{

public:

    QDBusPendingCall(const QDBusPendingCall &other);

    ~QDBusPendingCall();

    QDBusPendingCall &operator=(const QDBusPendingCall &other);

#ifndef Q_QDOC

    // pretend that they aren't here

    bool isFinished() const;

    void waitForFinished();

    bool isError() const;

    bool isValid() const;

    QDBusError error() const;

    QDBusMessage reply() const;

#endif

    static QDBusPendingCall fromError(const QDBusError &error);

    static QDBusPendingCall fromCompletedCall(const QDBusMessage &message);

protected:

    QExplicitlySharedDataPointer<QDBusPendingCallPrivate> d;

    friend class QDBusPendingCallPrivate;

    friend class QDBusPendingCallWatcher;

    friend class QDBusConnection;

    QDBusPendingCall(QDBusPendingCallPrivate *dd);

private:

    QDBusPendingCall();         // not defined

};

class QDBusPendingCallWatcherPrivate;

class QDBUS_EXPORT QDBusPendingCallWatcher: public QObject, public QDBusPendingCall

{

    Q_OBJECT

public:

    QDBusPendingCallWatcher(const QDBusPendingCall &call, QObject *parent = 0);

    ~QDBusPendingCallWatcher();

#ifdef Q_QDOC

    // trick qdoc into thinking this method is here

    bool isFinished() const;

#endif

    void waitForFinished();     // non-virtual override

Q_SIGNALS:

    void finished(QDBusPendingCallWatcher *self);

private:

    Q_DECLARE_PRIVATE(QDBusPendingCallWatcher)

    Q_PRIVATE_SLOT(d_func(), void _q_finished())

};

QT_END_NAMESPACE

QT_END_HEADER

#endif