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

**

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

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the examples of the Qt Toolkit.

**

**

**

** $QT_END_LICENSE$

**

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

#include <stdio.h>

#include <QtCore/QCoreApplication>

#include <QtCore/QFile>

#include <QtCore/QDebug>

#include <QtCore/QProcess>

#include <QtDBus/QtDBus>

#include "ping-common.h"

#include "complexping.h"

void Ping::start(const QString &name, const QString &oldValue, const QString &newValue)

{

    Q_UNUSED(oldValue);

    if (name != SERVICE_NAME || newValue.isEmpty())

        return;

    // open stdin for reading

    qstdin.open(stdin, QIODevice::ReadOnly);

    // find our remote

    iface = new QDBusInterface(SERVICE_NAME, "/", "com.trolltech.QtDBus.ComplexPong.Pong",

                               QDBusConnection::sessionBus(), this);

    if (!iface->isValid()) {

        fprintf(stderr, "%s\n",

                qPrintable(QDBusConnection::sessionBus().lastError().message()));

        QCoreApplication::instance()->quit();

    }

    connect(iface, SIGNAL(aboutToQuit()), QCoreApplication::instance(), SLOT(quit()));

    while (true) {

        printf("Ask your question: ");

        QString line = QString::fromLocal8Bit(qstdin.readLine()).trimmed();

        if (line.isEmpty()) {

            iface->call("quit");

            return;

        } else if (line == "value") {

            QVariant reply = iface->property("value");

            if (!reply.isNull())

                printf("value = %s\n", qPrintable(reply.toString()));

        } else if (line.startsWith("value=")) {

            iface->setProperty("value", line.mid(6));            

        } else {

            QDBusReply<QDBusVariant> reply = iface->call("query", line);

            if (reply.isValid())

                printf("Reply was: %s\n", qPrintable(reply.value().variant().toString()));

        }

        if (iface->lastError().isValid())

            fprintf(stderr, "Call failed: %s\n", qPrintable(iface->lastError().message()));

    }

}    

int main(int argc, char **argv)

{

    QCoreApplication app(argc, argv);

    if (!QDBusConnection::sessionBus().isConnected()) {

        fprintf(stderr, "Cannot connect to the D-Bus session bus.\n"

                "To start it, run:\n"

                "\teval `dbus-launch --auto-syntax`\n");

        return 1;

    }

    Ping ping;

    ping.connect(QDBusConnection::sessionBus().interface(),

                 SIGNAL(serviceOwnerChanged(QString,QString,QString)),

                 SLOT(start(QString,QString,QString)));

    QProcess pong;

    pong.start("./complexpong");

    app.exec();

}