TelepathyQt4: call/call-window.cpp

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    /*
     * This file is part of TelepathyQt4
     *
     * Copyright © 2009 Collabora Ltd. <http://www.collabora.co.uk/>
     * Copyright © 2009 Nokia Corporation
     *
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     *
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     *
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     */

    #include "call-window.h"
    #include "_gen/call-window.moc.hpp"

    #include "call-handler.h"
    #include "call-roster-widget.h"

    #include <TelepathyQt4/Types>
    #include <TelepathyQt4/Connection>
    #include <TelepathyQt4/ConnectionManager>
    #include <TelepathyQt4/PendingConnection>
    #include <TelepathyQt4/PendingOperation>
    #include <TelepathyQt4/PendingReady>
    #include <TelepathyQt4/StreamedMediaChannel>

    #include <QDebug>

    using namespace Tp;

    CallWindow::CallWindow(const QString &username, const QString &password,
            QWidget *parent)
        : QMainWindow(parent),
          mUsername(username),
          mPassword(password)
    {
        setWindowTitle("Call");

        mCM = ConnectionManager::create("gabble");
        connect(mCM->becomeReady(),
                SIGNAL(finished(Tp::PendingOperation *)),
                SLOT(onCMReady(Tp::PendingOperation *)));

        mCallHandler = new CallHandler(this);

        setupGui();

        resize(240, 320);
    }

    CallWindow::~CallWindow()
    {
        if (mConn) {
            mConn->requestDisconnect();
        }
    }

    void CallWindow::setupGui()
    {
        mRoster = new CallRosterWidget(mCallHandler);
        setCentralWidget(mRoster);
    }

    void CallWindow::onCMReady(Tp::PendingOperation *op)
    {
        if (op->isError()) {
            qWarning() << "CM cannot become ready";
            return;
        }

        qDebug() << "CM ready";
        QVariantMap params;
        params.insert("account", QVariant(mUsername));
        params.insert("password", QVariant(mPassword));
        PendingConnection *pconn = mCM->requestConnection("jabber", params);
        connect(pconn,
                SIGNAL(finished(Tp::PendingOperation *)),
                SLOT(onConnectionCreated(Tp::PendingOperation *)));
    }

    void CallWindow::onConnectionCreated(Tp::PendingOperation *op)
    {
        if (op->isError()) {
            qWarning() << "Unable to create connection";
            return;
        }

        qDebug() << "Connection created";
        PendingConnection *pconn =
            qobject_cast<PendingConnection *>(op);
        ConnectionPtr conn = pconn->connection();
        mConn = conn;
        connect(conn->requestConnect(Connection::FeatureSelfContact),
                SIGNAL(finished(Tp::PendingOperation *)),
                SLOT(onConnectionConnected(Tp::PendingOperation *)));
        connect(conn.data(),
                SIGNAL(invalidated(Tp::DBusProxy *, const QString &, const QString &)),
                SLOT(onConnectionInvalidated(Tp::DBusProxy *, const QString &, const QString &)));
    }

    void CallWindow::onConnectionConnected(Tp::PendingOperation *op)
    {
        if (op->isError()) {
            qWarning() << "Connection cannot become connected";
            return;
        }

        PendingReady *pr = qobject_cast<PendingReady *>(op);
        ConnectionPtr conn = ConnectionPtr(qobject_cast<Connection *>(pr->object()));

        if (conn->interfaces().contains(TELEPATHY_INTERFACE_CONNECTION_INTERFACE_CAPABILITIES)) {
            Tp::CapabilityPair capability = {
                TELEPATHY_INTERFACE_CHANNEL_TYPE_STREAMED_MEDIA,
                Tp::ChannelMediaCapabilityAudio |
                Tp::ChannelMediaCapabilityVideo |
                    Tp::ChannelMediaCapabilityNATTraversalSTUN |
                    Tp::ChannelMediaCapabilityNATTraversalGTalkP2P
            };
            qDebug() << "CallWindow::onConnectionConnected: advertising capabilities";
            conn->capabilitiesInterface()->AdvertiseCapabilities(
                    Tp::CapabilityPairList() << capability,
                    QStringList());
        }

        if (conn->interfaces().contains(TELEPATHY_INTERFACE_CONNECTION_INTERFACE_REQUESTS)) {
            qDebug() << "CallWindow::onConnectionConnected: connecting to Connection.Interface.NewChannels";
            connect(conn->requestsInterface(),
                    SIGNAL(NewChannels(const Tp::ChannelDetailsList&)),
                    SLOT(onNewChannels(const Tp::ChannelDetailsList&)));
        }

        mRoster->addConnection(conn);
    }

    void CallWindow::onConnectionInvalidated(DBusProxy *proxy,
            const QString &errorName, const QString &errorMessage)
    {
        qDebug() << "CallWindow::onConnectionInvalidated: connection became invalid:" <<
            errorName << "-" << errorMessage;
        mRoster->removeConnection(mConn);
        mConn.reset();
    }

    void CallWindow::onNewChannels(const Tp::ChannelDetailsList &channels)
    {
        qDebug() << "CallWindow::onNewChannels";
        foreach (const Tp::ChannelDetails &details, channels) {
            QString channelType = details.properties.value(QLatin1String(TELEPATHY_INTERFACE_CHANNEL ".ChannelType")).toString();
            bool requested = details.properties.value(QLatin1String(TELEPATHY_INTERFACE_CHANNEL ".Requested")).toBool();
            qDebug() << " channelType:" << channelType;
            qDebug() << " requested  :" << requested;

            if (channelType == TELEPATHY_INTERFACE_CHANNEL_TYPE_STREAMED_MEDIA &&
                !requested) {
                StreamedMediaChannelPtr channel = StreamedMediaChannel::create(mConn,
                            details.channel.path(),
                            details.properties);
                mCallHandler->addIncomingCall(channel);
            }
        }
    }