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<h1><a class="anchor" id="call_example_call_window_cpp">call/call-window.cpp </a></h1><div class="fragment"><pre class="fragment"><span class="comment">/*</span>
<span class="comment"> * This file is part of TelepathyQt4</span>
<span class="comment"> *</span>
<span class="comment"> * Copyright © 2009 Collabora Ltd. &lt;http://www.collabora.co.uk/&gt;</span>
<span class="comment"> * Copyright © 2009 Nokia Corporation</span>
<span class="comment"> *</span>
<span class="comment"> * This library is free software; you can redistribute it and/or</span>
<span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<span class="comment"> * License as published by the Free Software Foundation; either</span>
<span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<span class="comment"> *</span>
<span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<span class="comment"> * Lesser General Public License for more details.</span>
<span class="comment"> *</span>
<span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<span class="comment"> * License along with this library; if not, write to the Free Software</span>
<span class="comment"> * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA</span>
<span class="comment"> */</span>

<span class="preprocessor">#include &quot;call-window.h&quot;</span>
<span class="preprocessor">#include &quot;_gen/call-window.moc.hpp&quot;</span>

<span class="preprocessor">#include &quot;call-handler.h&quot;</span>
<span class="preprocessor">#include &quot;call-roster-widget.h&quot;</span>

<span class="preprocessor">#include &lt;TelepathyQt4/Types&gt;</span>
<span class="preprocessor">#include &lt;TelepathyQt4/Connection&gt;</span>
<span class="preprocessor">#include &lt;TelepathyQt4/ConnectionManager&gt;</span>
<span class="preprocessor">#include &lt;TelepathyQt4/PendingConnection&gt;</span>
<span class="preprocessor">#include &lt;TelepathyQt4/PendingOperation&gt;</span>
<span class="preprocessor">#include &lt;TelepathyQt4/PendingReady&gt;</span>
<span class="preprocessor">#include &lt;TelepathyQt4/StreamedMediaChannel&gt;</span>

<span class="preprocessor">#include &lt;QDebug&gt;</span>

<span class="keyword">using namespace </span>Tp;

CallWindow::CallWindow(<span class="keyword">const</span> QString &amp;username, <span class="keyword">const</span> QString &amp;password,
        QWidget *parent)
    : QMainWindow(parent),
      mUsername(username),
      mPassword(password)
{
    setWindowTitle(QLatin1String(<span class="stringliteral">&quot;Call&quot;</span>));

    mCM = <a class="code" href="classTp_1_1ConnectionManager.html#a04f4da938487d2daad64e723c9700050">ConnectionManager::create</a>(QLatin1String(<span class="stringliteral">&quot;gabble&quot;</span>));
    connect(mCM-&gt;becomeReady(),
            SIGNAL(finished(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *)),
            SLOT(onCMReady(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *)));

    mCallHandler = <span class="keyword">new</span> CallHandler(<span class="keyword">this</span>);

    setupGui();

    resize(240, 320);
}

CallWindow::~CallWindow()
{
    <span class="keywordflow">if</span> (mConn) {
        mConn-&gt;requestDisconnect();
    }
}

<span class="keywordtype">void</span> CallWindow::setupGui()
{
    mRoster = <span class="keyword">new</span> CallRosterWidget(mCallHandler);
    setCentralWidget(mRoster);
}

<span class="keywordtype">void</span> CallWindow::onCMReady(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *op)
{
    <span class="keywordflow">if</span> (op-&gt;<a class="code" href="classTp_1_1PendingOperation.html#a24440bb6d849af38b6e439cdca9e0707">isError</a>()) {
        qWarning() &lt;&lt; <span class="stringliteral">&quot;CM cannot become ready&quot;</span>;
        <span class="keywordflow">return</span>;
    }

    qDebug() &lt;&lt; <span class="stringliteral">&quot;CM ready&quot;</span>;
    QVariantMap params;
    params.insert(QLatin1String(<span class="stringliteral">&quot;account&quot;</span>), QVariant(mUsername));
    params.insert(QLatin1String(<span class="stringliteral">&quot;password&quot;</span>), QVariant(mPassword));
    PendingConnection *pconn = mCM-&gt;requestConnection(QLatin1String(<span class="stringliteral">&quot;jabber&quot;</span>),
            params);
    connect(pconn,
            SIGNAL(finished(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *)),
            SLOT(onConnectionCreated(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *)));
}

<span class="keywordtype">void</span> CallWindow::onConnectionCreated(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *op)
{
    <span class="keywordflow">if</span> (op-&gt;<a class="code" href="classTp_1_1PendingOperation.html#a24440bb6d849af38b6e439cdca9e0707">isError</a>()) {
        qWarning() &lt;&lt; <span class="stringliteral">&quot;Unable to create connection&quot;</span>;
        <span class="keywordflow">return</span>;
    }

    qDebug() &lt;&lt; <span class="stringliteral">&quot;Connection created&quot;</span>;
    PendingConnection *pconn =
        qobject_cast&lt;PendingConnection *&gt;(op);
    <a class="code" href="namespaceTp.html#a225af181e21bd9c2fb5ab3394d4fc4ef">ConnectionPtr</a> conn = pconn-&gt;connection();
    mConn = conn;
    connect(conn-&gt;requestConnect(<a class="code" href="classTp_1_1Connection.html#af1a6dedc304a3b68d04dc191e20203c6">Connection::FeatureSelfContact</a>),
            SIGNAL(finished(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *)),
            SLOT(onConnectionConnected(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *)));
    connect(conn.data(),
            SIGNAL(invalidated(<a class="code" href="classTp_1_1DBusProxy.html">Tp::DBusProxy</a> *, <span class="keyword">const</span> QString &amp;, <span class="keyword">const</span> QString &amp;)),
            SLOT(onConnectionInvalidated(<a class="code" href="classTp_1_1DBusProxy.html">Tp::DBusProxy</a> *, <span class="keyword">const</span> QString &amp;, <span class="keyword">const</span> QString &amp;)));
}

<span class="keywordtype">void</span> CallWindow::onConnectionConnected(<a class="code" href="classTp_1_1PendingOperation.html" title="Abstract base class for pending asynchronous operations.">Tp::PendingOperation</a> *op)
{
    <span class="keywordflow">if</span> (op-&gt;<a class="code" href="classTp_1_1PendingOperation.html#a24440bb6d849af38b6e439cdca9e0707">isError</a>()) {
        qWarning() &lt;&lt; <span class="stringliteral">&quot;Connection cannot become connected&quot;</span>;
        <span class="keywordflow">return</span>;
    }

    PendingReady *pr = qobject_cast&lt;PendingReady *&gt;(op);
    <a class="code" href="namespaceTp.html#a225af181e21bd9c2fb5ab3394d4fc4ef">ConnectionPtr</a> conn = <a class="code" href="namespaceTp.html#a225af181e21bd9c2fb5ab3394d4fc4ef">ConnectionPtr</a>(qobject_cast&lt;Connection *&gt;(pr-&gt;object()));

    <span class="keywordflow">if</span> (conn-&gt;interfaces().contains(QLatin1String(TELEPATHY_INTERFACE_CONNECTION_INTERFACE_CAPABILITIES))) {
        Tp::CapabilityPair capability = {
            QLatin1String(TELEPATHY_INTERFACE_CHANNEL_TYPE_STREAMED_MEDIA),
            Tp::ChannelMediaCapabilityAudio |
            Tp::ChannelMediaCapabilityVideo |
                Tp::ChannelMediaCapabilityNATTraversalSTUN |
                Tp::ChannelMediaCapabilityNATTraversalGTalkP2P
        };
        qDebug() &lt;&lt; <span class="stringliteral">&quot;CallWindow::onConnectionConnected: advertising capabilities&quot;</span>;
        conn-&gt;capabilitiesInterface()-&gt;AdvertiseCapabilities(
                Tp::CapabilityPairList() &lt;&lt; capability,
                QStringList());
    }

    <span class="keywordflow">if</span> (conn-&gt;interfaces().contains(QLatin1String(TELEPATHY_INTERFACE_CONNECTION_INTERFACE_REQUESTS))) {
        qDebug() &lt;&lt; <span class="stringliteral">&quot;CallWindow::onConnectionConnected: connecting to Connection.Interface.NewChannels&quot;</span>;
        connect(conn-&gt;requestsInterface(),
                SIGNAL(NewChannels(<span class="keyword">const</span> Tp::ChannelDetailsList&amp;)),
                SLOT(onNewChannels(<span class="keyword">const</span> Tp::ChannelDetailsList&amp;)));
    }

    mRoster-&gt;addConnection(conn);
}

<span class="keywordtype">void</span> CallWindow::onConnectionInvalidated(DBusProxy *proxy,
        <span class="keyword">const</span> QString &amp;errorName, <span class="keyword">const</span> QString &amp;errorMessage)
{
    qDebug() &lt;&lt; <span class="stringliteral">&quot;CallWindow::onConnectionInvalidated: connection became invalid:&quot;</span> &lt;&lt;
        errorName &lt;&lt; <span class="stringliteral">&quot;-&quot;</span> &lt;&lt; errorMessage;
    mRoster-&gt;removeConnection(mConn);
    mConn.reset();
}

<span class="keywordtype">void</span> CallWindow::onNewChannels(<span class="keyword">const</span> Tp::ChannelDetailsList &amp;channels)
{
    qDebug() &lt;&lt; <span class="stringliteral">&quot;CallWindow::onNewChannels&quot;</span>;
    <span class="keywordflow">foreach</span> (<span class="keyword">const</span> Tp::ChannelDetails &amp;details, channels) {
        QString channelType = details.properties.value(QLatin1String(TELEPATHY_INTERFACE_CHANNEL <span class="stringliteral">&quot;.ChannelType&quot;</span>)).toString();
        <span class="keywordtype">bool</span> requested = details.properties.value(QLatin1String(TELEPATHY_INTERFACE_CHANNEL <span class="stringliteral">&quot;.Requested&quot;</span>)).toBool();
        qDebug() &lt;&lt; <span class="stringliteral">&quot; channelType:&quot;</span> &lt;&lt; channelType;
        qDebug() &lt;&lt; <span class="stringliteral">&quot; requested  :&quot;</span> &lt;&lt; requested;

        <span class="keywordflow">if</span> (channelType == QLatin1String(TELEPATHY_INTERFACE_CHANNEL_TYPE_STREAMED_MEDIA) &amp;&amp;
            !requested) {
            <a class="code" href="namespaceTp.html#a7e5f9726638316266c32f3320afb1a66">StreamedMediaChannelPtr</a> channel = <a class="code" href="classTp_1_1StreamedMediaChannel.html#a24183d8e5ab9322678ba5f516ceb0bed">StreamedMediaChannel::create</a>(mConn,
                        details.channel.path(),
                        details.properties);
            mCallHandler-&gt;addIncomingCall(channel);
        }
    }
}
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<td width="30%">Copyright &copy; 2008-2010 Collabora Ltd. and Nokia Corporation</td>
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