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<h1 class="title">googlechat.cpp Example File</h1>
<span class="small-subtitle">webkit/googlechat/googlechat.cpp</span>
<!-- $$$webkit/googlechat/googlechat.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** &quot;Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
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** from this software without specific prior written permission.
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**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include &lt;QtGui&gt;</span>
<span class="preprocessor">#include &lt;QtWebKit&gt;</span>
<span class="preprocessor">#include &lt;QSslSocket&gt;</span>
<span class="preprocessor">#include &quot;googlechat.h&quot;</span>
<span class="preprocessor">#define GOOGLECHAT_URL &quot;http://talkgadget.google.com/talkgadget/m&quot;</span>
GoogleChat<span class="operator">::</span>GoogleChat(): <span class="type"><a href="qwidget.html">QWidget</a></span>() {
form<span class="operator">.</span>setupUi(<span class="keyword">this</span>);
setFixedSize(<span class="number">320</span><span class="operator">,</span> <span class="number">480</span>);
form<span class="operator">.</span>userNameEdit<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
connect(form<span class="operator">.</span>userNameEdit<span class="operator">,</span> SIGNAL(textChanged(<span class="type"><a href="qstring.html">QString</a></span>))<span class="operator">,</span> SLOT(adjustLoginButton()));
connect(form<span class="operator">.</span>userNameEdit<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> SLOT(inputPassword()));
connect(form<span class="operator">.</span>passwordEdit<span class="operator">,</span> SIGNAL(textChanged(<span class="type"><a href="qstring.html">QString</a></span>))<span class="operator">,</span> SLOT(adjustLoginButton()));
connect(form<span class="operator">.</span>passwordEdit<span class="operator">,</span> SIGNAL(returnPressed())<span class="operator">,</span> SLOT(doLogin()));
form<span class="operator">.</span>loginButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(<span class="keyword">false</span>);
connect(form<span class="operator">.</span>loginButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> SLOT(doLogin()));
connect(form<span class="operator">.</span>webView<span class="operator">,</span> SIGNAL(loadFinished(<span class="type">bool</span>))<span class="operator">,</span> SLOT(initialPage(<span class="type">bool</span>)));
connect(form<span class="operator">.</span>webView<span class="operator">,</span> SIGNAL(loadProgress(<span class="type">int</span>))<span class="operator">,</span>
form<span class="operator">.</span>progressBar<span class="operator">,</span> SLOT(setValue(<span class="type">int</span>)));
form<span class="operator">.</span>webView<span class="operator">-</span><span class="operator">&gt;</span>setUrl((<span class="type"><a href="qurl.html">QUrl</a></span>(GOOGLECHAT_URL)));
form<span class="operator">.</span>webView<span class="operator">-</span><span class="operator">&gt;</span>setContextMenuPolicy(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>PreventContextMenu);
showStatus(<span class="string">&quot;Wait...&quot;</span>);
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>showStatus(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>msg) {
form<span class="operator">.</span>statusLabel<span class="operator">-</span><span class="operator">&gt;</span>setText(msg);
form<span class="operator">.</span>stackedWidget<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">0</span>);
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>showError(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&amp;</span>msg) {
form<span class="operator">.</span>progressBar<span class="operator">-</span><span class="operator">&gt;</span>hide();
showStatus(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">&quot;Error: %1&quot;</span>)<span class="operator">.</span>arg(msg));
}
<span class="type"><a href="qwebelement.html">QWebElement</a></span> GoogleChat<span class="operator">::</span>document() <span class="keyword">const</span> {
<span class="keyword">return</span> form<span class="operator">.</span>webView<span class="operator">-</span><span class="operator">&gt;</span>page()<span class="operator">-</span><span class="operator">&gt;</span>mainFrame()<span class="operator">-</span><span class="operator">&gt;</span>documentElement();
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>adjustLoginButton() {
userName <span class="operator">=</span> form<span class="operator">.</span>userNameEdit<span class="operator">-</span><span class="operator">&gt;</span>text();
password <span class="operator">=</span> form<span class="operator">.</span>passwordEdit<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type">bool</span> ok <span class="operator">=</span> <span class="operator">!</span>userName<span class="operator">.</span>isEmpty() <span class="operator">&amp;</span><span class="operator">&amp;</span> <span class="operator">!</span>password<span class="operator">.</span>isEmpty();
form<span class="operator">.</span>loginButton<span class="operator">-</span><span class="operator">&gt;</span>setEnabled(ok);
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>inputPassword() {
<span class="keyword">if</span> (<span class="operator">!</span>form<span class="operator">.</span>userNameEdit<span class="operator">-</span><span class="operator">&gt;</span>text()<span class="operator">.</span>isEmpty())
form<span class="operator">.</span>passwordEdit<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>doLogin() {
userName <span class="operator">=</span> form<span class="operator">.</span>userNameEdit<span class="operator">-</span><span class="operator">&gt;</span>text();
password <span class="operator">=</span> form<span class="operator">.</span>passwordEdit<span class="operator">-</span><span class="operator">&gt;</span>text();
<span class="type">bool</span> ok <span class="operator">=</span> <span class="operator">!</span>userName<span class="operator">.</span>isEmpty() <span class="operator">&amp;</span><span class="operator">&amp;</span> <span class="operator">!</span>password<span class="operator">.</span>isEmpty();
<span class="keyword">if</span> (<span class="operator">!</span>ok)
<span class="keyword">return</span>;
form<span class="operator">.</span>progressBar<span class="operator">-</span><span class="operator">&gt;</span>setValue(<span class="number">0</span>);
form<span class="operator">.</span>progressBar<span class="operator">-</span><span class="operator">&gt;</span>show();
connect(form<span class="operator">.</span>webView<span class="operator">,</span> SIGNAL(loadFinished(<span class="type">bool</span>))<span class="operator">,</span> SLOT(loginPage(<span class="type">bool</span>)));
connect(form<span class="operator">.</span>webView<span class="operator">,</span> SIGNAL(loadProgress(<span class="type">int</span>))<span class="operator">,</span>
form<span class="operator">.</span>progressBar<span class="operator">,</span> SLOT(setValue(<span class="type">int</span>)));
showStatus(<span class="string">&quot;Logging in...&quot;</span>);
<span class="type"><a href="qstring.html">QString</a></span> userEmail <span class="operator">=</span> userName <span class="operator">+</span> <span class="string">&quot;@gmail.com&quot;</span>;
document()<span class="operator">.</span>findFirst(<span class="string">&quot;#Email&quot;</span>)<span class="operator">.</span>setAttribute(<span class="string">&quot;value&quot;</span><span class="operator">,</span> userEmail);
document()<span class="operator">.</span>findFirst(<span class="string">&quot;#Passwd&quot;</span>)<span class="operator">.</span>setAttribute(<span class="string">&quot;value&quot;</span><span class="operator">,</span> password);
document()<span class="operator">.</span>findFirst(<span class="string">&quot;#gaia_loginform&quot;</span>)<span class="operator">.</span>evaluateJavaScript(<span class="string">&quot;this.submit();&quot;</span>);
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>initialPage(<span class="type">bool</span> ok) {
<span class="keyword">if</span> (<span class="operator">!</span><span class="type"><a href="qsslsocket.html">QSslSocket</a></span><span class="operator">::</span>supportsSsl()) {
showError(<span class="string">&quot;This example requires SSL support.&quot;</span>);
<span class="keyword">return</span>;
}
<span class="keyword">if</span> (ok) {
<span class="type"><a href="qwebelement.html">QWebElement</a></span> email <span class="operator">=</span> document()<span class="operator">.</span>findFirst(<span class="string">&quot;#Email&quot;</span>);
<span class="type"><a href="qwebelement.html">QWebElement</a></span> passwd <span class="operator">=</span> document()<span class="operator">.</span>findFirst(<span class="string">&quot;#Passwd&quot;</span>);
<span class="type"><a href="qwebelement.html">QWebElement</a></span> loginForm <span class="operator">=</span> document()<span class="operator">.</span>findFirst(<span class="string">&quot;#gaia_loginform&quot;</span>);
<span class="keyword">if</span> (<span class="operator">!</span>email<span class="operator">.</span>isNull() <span class="operator">&amp;</span><span class="operator">&amp;</span> <span class="operator">!</span>passwd<span class="operator">.</span>isNull() <span class="operator">&amp;</span><span class="operator">&amp;</span> <span class="operator">!</span>loginForm<span class="operator">.</span>isNull()) {
form<span class="operator">.</span>stackedWidget<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">1</span>);
form<span class="operator">.</span>userNameEdit<span class="operator">-</span><span class="operator">&gt;</span>setFocus();
form<span class="operator">.</span>webView<span class="operator">-</span><span class="operator">&gt;</span>disconnect();
<span class="keyword">return</span>;
}
}
showError(<span class="string">&quot;SERVICE unavailable.&quot;</span>);
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>hideElements()
{
document()<span class="operator">.</span>findFirst(<span class="string">&quot;.footer-footer&quot;</span>)<span class="operator">.</span>removeFromDocument();
document()<span class="operator">.</span>findFirst(<span class="string">&quot;.title-bar-bg .title-bar&quot;</span>)<span class="operator">.</span>removeFromDocument();
<span class="type"><a href="qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">2000</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(hideElements()));
}
<span class="type">void</span> GoogleChat<span class="operator">::</span>loginPage(<span class="type">bool</span> ok) {
<span class="type"><a href="qstring.html">QString</a></span> location <span class="operator">=</span> form<span class="operator">.</span>webView<span class="operator">-</span><span class="operator">&gt;</span>url()<span class="operator">.</span>toString();
<span class="keyword">if</span> (<span class="operator">!</span>ok) {
<span class="keyword">if</span> (location<span class="operator">.</span>indexOf(<span class="string">&quot;CheckCookie&quot;</span>))
<span class="keyword">return</span>;
showError(<span class="string">&quot;Service unavailable&quot;</span>);
} <span class="keyword">else</span> {
<span class="comment">// check for any error message</span>
<span class="type"><a href="qwebelement.html">QWebElement</a></span> e <span class="operator">=</span> document()<span class="operator">.</span>findFirst(<span class="string">&quot;.errormsg&quot;</span>);
<span class="keyword">if</span> (e<span class="operator">.</span>isNull()) {
form<span class="operator">.</span>stackedWidget<span class="operator">-</span><span class="operator">&gt;</span>setCurrentIndex(<span class="number">2</span>);
<span class="type"><a href="qtimer.html">QTimer</a></span><span class="operator">::</span>singleShot(<span class="number">500</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(hideElements()));
<span class="keyword">return</span>;
}
<span class="type"><a href="qstring.html">QString</a></span> err <span class="operator">=</span> <span class="string">&quot;Unknown login failure.&quot;</span>;
<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> errorMessage <span class="operator">=</span> e<span class="operator">.</span>toPlainText();
<span class="keyword">if</span> (<span class="operator">!</span>errorMessage<span class="operator">.</span>isEmpty()) {
err <span class="operator">=</span> errorMessage;
err <span class="operator">=</span> err<span class="operator">.</span>simplified();
}
showError(err);
}
}</pre>
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<!-- @@@webkit/googlechat/googlechat.cpp -->
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