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<h1 class="title">browserapplication.cpp Example File</h1>
<span class="subtitle">webenginewidgets/demobrowser/browserapplication.cpp</span>
<!-- $$$webenginewidgets/demobrowser/browserapplication.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">

  <span class="comment">/****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, 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
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** 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 &quot;browserapplication.h&quot;</span>

  <span class="preprocessor">#include &quot;bookmarks.h&quot;</span>
  <span class="preprocessor">#include &quot;browsermainwindow.h&quot;</span>
  <span class="preprocessor">#include &quot;cookiejar.h&quot;</span>
  <span class="preprocessor">#include &quot;downloadmanager.h&quot;</span>
  <span class="preprocessor">#include &quot;history.h&quot;</span>
  <span class="preprocessor">#include &quot;tabwidget.h&quot;</span>
  <span class="preprocessor">#include &quot;webview.h&quot;</span>

  <span class="preprocessor">#include &lt;QtCore/QBuffer&gt;</span>
  <span class="preprocessor">#include &lt;QtCore/QDir&gt;</span>
  <span class="preprocessor">#include &lt;QtCore/QLibraryInfo&gt;</span>
  <span class="preprocessor">#include &lt;QtCore/QSettings&gt;</span>
  <span class="preprocessor">#include &lt;QtCore/QTextStream&gt;</span>
  <span class="preprocessor">#include &lt;QtCore/QTranslator&gt;</span>

  <span class="preprocessor">#include &lt;QtGui/QDesktopServices&gt;</span>
  <span class="preprocessor">#include &lt;QtGui/QFileOpenEvent&gt;</span>
  <span class="preprocessor">#include &lt;QtWidgets/QMessageBox&gt;</span>

  <span class="preprocessor">#include &lt;QtNetwork/QLocalServer&gt;</span>
  <span class="preprocessor">#include &lt;QtNetwork/QLocalSocket&gt;</span>
  <span class="preprocessor">#include &lt;QtNetwork/QNetworkProxy&gt;</span>
  <span class="preprocessor">#include &lt;QtNetwork/QSslSocket&gt;</span>

  <span class="preprocessor">#include &lt;QWebEngineProfile&gt;</span>
  <span class="preprocessor">#include &lt;QWebEngineSettings&gt;</span>
  <span class="preprocessor">#include &lt;QWebEngineScript&gt;</span>
  <span class="preprocessor">#include &lt;QWebEngineScriptCollection&gt;</span>

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

  DownloadManager <span class="operator">*</span>BrowserApplication<span class="operator">::</span>s_downloadManager <span class="operator">=</span> <span class="number">0</span>;
  HistoryManager <span class="operator">*</span>BrowserApplication<span class="operator">::</span>s_historyManager <span class="operator">=</span> <span class="number">0</span>;
  <span class="type">QNetworkAccessManager</span> <span class="operator">*</span>BrowserApplication<span class="operator">::</span>s_networkAccessManager <span class="operator">=</span> <span class="number">0</span>;
  BookmarksManager <span class="operator">*</span>BrowserApplication<span class="operator">::</span>s_bookmarksManager <span class="operator">=</span> <span class="number">0</span>;

  <span class="keyword">static</span> <span class="type">void</span> setUserStyleSheet(<span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span> <span class="operator">*</span>profile<span class="operator">,</span> <span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&amp;</span>styleSheet<span class="operator">,</span> BrowserMainWindow <span class="operator">*</span>mainWindow <span class="operator">=</span> <span class="number">0</span>)
  {
      Q_ASSERT(profile);
      <span class="type">QString</span> scriptName(<span class="type">QStringLiteral</span>(<span class="string">&quot;userStyleSheet&quot;</span>));
      <span class="type"><a href="qwebenginescript.html">QWebEngineScript</a></span> script;
      <span class="type">QList</span><span class="operator">&lt;</span><span class="type"><a href="qwebenginescript.html">QWebEngineScript</a></span><span class="operator">&gt;</span> styleSheets <span class="operator">=</span> profile<span class="operator">-</span><span class="operator">&gt;</span>scripts()<span class="operator">-</span><span class="operator">&gt;</span>findScripts(scriptName);
      <span class="keyword">if</span> (<span class="operator">!</span>styleSheets<span class="operator">.</span>isEmpty())
          script <span class="operator">=</span> styleSheets<span class="operator">.</span>first();
      Q_FOREACH (<span class="keyword">const</span> <span class="type"><a href="qwebenginescript.html">QWebEngineScript</a></span> <span class="operator">&amp;</span>s<span class="operator">,</span> styleSheets)
          profile<span class="operator">-</span><span class="operator">&gt;</span>scripts()<span class="operator">-</span><span class="operator">&gt;</span>remove(s);

      <span class="keyword">if</span> (script<span class="operator">.</span>isNull()) {
          script<span class="operator">.</span>setName(scriptName);
          script<span class="operator">.</span>setInjectionPoint(<span class="type"><a href="qwebenginescript.html">QWebEngineScript</a></span><span class="operator">::</span>DocumentReady);
          script<span class="operator">.</span>setRunsOnSubFrames(<span class="keyword">true</span>);
          script<span class="operator">.</span>setWorldId(<span class="type"><a href="qwebenginescript.html">QWebEngineScript</a></span><span class="operator">::</span>ApplicationWorld);
      }
      <span class="type">QString</span> source <span class="operator">=</span> <span class="type">QString</span><span class="operator">::</span>fromLatin1(<span class="string">&quot;(function() {&quot;</span>\
                                           <span class="string">&quot;var css = document.getElementById(\&quot;_qt_testBrowser_userStyleSheet\&quot;);&quot;</span>\
                                           <span class="string">&quot;if (css == undefined) {&quot;</span>\
                                           <span class="string">&quot;    css = document.createElement(\&quot;style\&quot;);&quot;</span>\
                                           <span class="string">&quot;    css.type = \&quot;text/css\&quot;;&quot;</span>\
                                           <span class="string">&quot;    css.id = \&quot;_qt_testBrowser_userStyleSheet\&quot;;&quot;</span>\
                                           <span class="string">&quot;    document.head.appendChild(css);&quot;</span>\
                                           <span class="string">&quot;}&quot;</span>\
                                           <span class="string">&quot;css.innerText = \&quot;%1\&quot;;&quot;</span>\
                                           <span class="string">&quot;})()&quot;</span>)<span class="operator">.</span>arg(styleSheet);
      script<span class="operator">.</span>setSourceCode(source);
      profile<span class="operator">-</span><span class="operator">&gt;</span>scripts()<span class="operator">-</span><span class="operator">&gt;</span>insert(script);
      <span class="comment">// run the script on the already loaded views</span>
      <span class="comment">// this has to be deferred as it could mess with the storage initialization on startup</span>
      <span class="keyword">if</span> (mainWindow)
          <span class="type">QMetaObject</span><span class="operator">::</span>invokeMethod(mainWindow<span class="operator">,</span> <span class="string">&quot;runScriptOnOpenViews&quot;</span><span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>QueuedConnection<span class="operator">,</span> Q_ARG(<span class="type">QString</span><span class="operator">,</span> source));
  }

  BrowserApplication<span class="operator">::</span>BrowserApplication(<span class="type">int</span> <span class="operator">&amp;</span>argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span><span class="operator">*</span>argv)
      : <span class="type">QApplication</span>(argc<span class="operator">,</span> argv)
      <span class="operator">,</span> m_localServer(<span class="number">0</span>)
      <span class="operator">,</span> m_privateProfile(<span class="number">0</span>)
      <span class="operator">,</span> m_privateBrowsing(<span class="keyword">false</span>)
  {
      <span class="type">QCoreApplication</span><span class="operator">::</span>setOrganizationName(QLatin1String(<span class="string">&quot;Qt&quot;</span>));
      <span class="type">QCoreApplication</span><span class="operator">::</span>setApplicationName(QLatin1String(<span class="string">&quot;demobrowser&quot;</span>));
      <span class="type">QCoreApplication</span><span class="operator">::</span>setApplicationVersion(QLatin1String(<span class="string">&quot;0.1&quot;</span>));
      <span class="type">QString</span> serverName <span class="operator">=</span> <span class="type">QCoreApplication</span><span class="operator">::</span>applicationName()
          <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>fromLatin1(QT_VERSION_STR)<span class="operator">.</span>remove(<span class="char">'.'</span>) <span class="operator">+</span> QLatin1String(<span class="string">&quot;webengine&quot;</span>);
      <span class="type">QLocalSocket</span> socket;
      socket<span class="operator">.</span>connectToServer(serverName);
      <span class="keyword">if</span> (socket<span class="operator">.</span>waitForConnected(<span class="number">500</span>)) {
          <span class="type">QTextStream</span> stream(<span class="operator">&amp;</span>socket);
          stream <span class="operator">&lt;</span><span class="operator">&lt;</span> getCommandLineUrlArgument();
          stream<span class="operator">.</span>flush();
          socket<span class="operator">.</span>waitForBytesWritten();
          <span class="keyword">return</span>;
      }

  <span class="preprocessor">#if defined(Q_OS_OSX)</span>
      <span class="type">QApplication</span><span class="operator">::</span>setQuitOnLastWindowClosed(<span class="keyword">false</span>);
  <span class="preprocessor">#else</span>
      <span class="type">QApplication</span><span class="operator">::</span>setQuitOnLastWindowClosed(<span class="keyword">true</span>);
  <span class="preprocessor">#endif</span>

      m_localServer <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QLocalServer</span>(<span class="keyword">this</span>);
      connect(m_localServer<span class="operator">,</span> SIGNAL(newConnection())<span class="operator">,</span>
              <span class="keyword">this</span><span class="operator">,</span> SLOT(newLocalSocketConnection()));
      <span class="keyword">if</span> (<span class="operator">!</span>m_localServer<span class="operator">-</span><span class="operator">&gt;</span>listen(serverName)
              <span class="operator">&amp;</span><span class="operator">&amp;</span> m_localServer<span class="operator">-</span><span class="operator">&gt;</span>serverError() <span class="operator">=</span><span class="operator">=</span> <span class="type">QAbstractSocket</span><span class="operator">::</span>AddressInUseError) {
          <span class="type">QLocalServer</span><span class="operator">::</span>removeServer(serverName);
          <span class="keyword">if</span> (<span class="operator">!</span>m_localServer<span class="operator">-</span><span class="operator">&gt;</span>listen(serverName))
              qWarning(<span class="string">&quot;Could not create local socket %s.&quot;</span><span class="operator">,</span> qPrintable(serverName));
      }

  <span class="preprocessor">#ifndef QT_NO_OPENSSL</span>
      <span class="keyword">if</span> (<span class="operator">!</span><span class="type">QSslSocket</span><span class="operator">::</span>supportsSsl()) {
      <span class="type">QMessageBox</span><span class="operator">::</span>information(<span class="number">0</span><span class="operator">,</span> <span class="string">&quot;Demo Browser&quot;</span><span class="operator">,</span>
                   <span class="string">&quot;This system does not support OpenSSL. SSL websites will not be available.&quot;</span>);
      }
  <span class="preprocessor">#endif</span>

      <span class="type">QDesktopServices</span><span class="operator">::</span>setUrlHandler(QLatin1String(<span class="string">&quot;http&quot;</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="string">&quot;openUrl&quot;</span>);
      <span class="type">QString</span> localSysName <span class="operator">=</span> <span class="type">QLocale</span><span class="operator">::</span>system()<span class="operator">.</span>name();

      installTranslator(QLatin1String(<span class="string">&quot;qt_&quot;</span>) <span class="operator">+</span> localSysName);

      <span class="type">QSettings</span> settings;
      settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">&quot;sessions&quot;</span>));
      m_lastSession <span class="operator">=</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;lastSession&quot;</span>))<span class="operator">.</span>toByteArray();
      settings<span class="operator">.</span>endGroup();

  <span class="preprocessor">#if defined(Q_OS_OSX)</span>
      connect(<span class="keyword">this</span><span class="operator">,</span> SIGNAL(lastWindowClosed())<span class="operator">,</span>
              <span class="keyword">this</span><span class="operator">,</span> SLOT(lastWindowClosed()));
  <span class="preprocessor">#endif</span>

      <span class="type">QTimer</span><span class="operator">::</span>singleShot(<span class="number">0</span><span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(postLaunch()));
  }

  BrowserApplication<span class="operator">::</span><span class="operator">~</span>BrowserApplication()
  {
      <span class="keyword">delete</span> s_downloadManager;
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> m_mainWindows<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) {
          BrowserMainWindow <span class="operator">*</span>window <span class="operator">=</span> m_mainWindows<span class="operator">.</span>at(i);
          <span class="keyword">delete</span> window;
      }
      <span class="keyword">delete</span> s_networkAccessManager;
      <span class="keyword">delete</span> s_bookmarksManager;
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>lastWindowClosed()
  {
  <span class="preprocessor">#if defined(Q_OS_OSX)</span>
      clean();
      BrowserMainWindow <span class="operator">*</span>mw <span class="operator">=</span> <span class="keyword">new</span> BrowserMainWindow;
      mw<span class="operator">-</span><span class="operator">&gt;</span>slotHome();
      m_mainWindows<span class="operator">.</span>prepend(mw);
  <span class="preprocessor">#endif</span>
  }

  BrowserApplication <span class="operator">*</span>BrowserApplication<span class="operator">::</span>instance()
  {
      <span class="keyword">return</span> (<span class="keyword">static_cast</span><span class="operator">&lt;</span>BrowserApplication <span class="operator">*</span><span class="operator">&gt;</span>(<span class="type">QCoreApplication</span><span class="operator">::</span>instance()));
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>quitBrowser()
  {
  <span class="preprocessor">#if defined(Q_OS_OSX)</span>
      clean();
      <span class="type">int</span> tabCount <span class="operator">=</span> <span class="number">0</span>;
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> m_mainWindows<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i) {
          tabCount <span class="operator">+</span><span class="operator">=</span> m_mainWindows<span class="operator">.</span>at(i)<span class="operator">-</span><span class="operator">&gt;</span>tabWidget()<span class="operator">-</span><span class="operator">&gt;</span>count();
      }

      <span class="keyword">if</span> (tabCount <span class="operator">&gt;</span> <span class="number">1</span>) {
          <span class="type">int</span> ret <span class="operator">=</span> <span class="type">QMessageBox</span><span class="operator">::</span>warning(mainWindow()<span class="operator">,</span> <span class="type">QString</span>()<span class="operator">,</span>
                             tr(<span class="string">&quot;There are %1 windows and %2 tabs open\n&quot;</span>
                                <span class="string">&quot;Do you want to quit anyway?&quot;</span>)<span class="operator">.</span>arg(m_mainWindows<span class="operator">.</span>count())<span class="operator">.</span>arg(tabCount)<span class="operator">,</span>
                             <span class="type">QMessageBox</span><span class="operator">::</span>Yes <span class="operator">|</span> <span class="type">QMessageBox</span><span class="operator">::</span>No<span class="operator">,</span>
                             <span class="type">QMessageBox</span><span class="operator">::</span>No);
          <span class="keyword">if</span> (ret <span class="operator">=</span><span class="operator">=</span> <span class="type">QMessageBox</span><span class="operator">::</span>No)
              <span class="keyword">return</span>;
      }

      exit(<span class="number">0</span>);
  <span class="preprocessor">#endif</span>
  }

  <span class="comment">/*!
      Any actions that can be delayed until the window is visible
   */</span>
  <span class="type">void</span> BrowserApplication<span class="operator">::</span>postLaunch()
  {
      <span class="type">QString</span> directory <span class="operator">=</span> <span class="type">QStandardPaths</span><span class="operator">::</span>writableLocation(<span class="type">QStandardPaths</span><span class="operator">::</span>DataLocation);
      <span class="keyword">if</span> (directory<span class="operator">.</span>isEmpty())
          directory <span class="operator">=</span> <span class="type">QDir</span><span class="operator">::</span>homePath() <span class="operator">+</span> QLatin1String(<span class="string">&quot;/.&quot;</span>) <span class="operator">+</span> <span class="type">QCoreApplication</span><span class="operator">::</span>applicationName();
  <span class="preprocessor">#if defined(QWEBENGINESETTINGS_PATHS)</span>
      <span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>setIconDatabasePath(directory);
      <span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>setOfflineStoragePath(directory);
  <span class="preprocessor">#endif</span>

      setWindowIcon(<span class="type">QIcon</span>(QLatin1String(<span class="string">&quot;:demobrowser.svg&quot;</span>)));

      loadSettings();

      <span class="comment">// newMainWindow() needs to be called in main() for this to happen</span>
      <span class="keyword">if</span> (m_mainWindows<span class="operator">.</span>count() <span class="operator">&gt;</span> <span class="number">0</span>) {
          <span class="keyword">const</span> <span class="type">QString</span> url <span class="operator">=</span> getCommandLineUrlArgument();
          <span class="keyword">if</span> (<span class="operator">!</span>url<span class="operator">.</span>isEmpty()) {
              mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>loadPage(url);
          } <span class="keyword">else</span> {
              mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>slotHome();
          }

      }
      BrowserApplication<span class="operator">::</span>historyManager();
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>loadSettings()
  {
      <span class="type">QSettings</span> settings;
      settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">&quot;websettings&quot;</span>));

      <span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span> <span class="operator">*</span>defaultSettings <span class="operator">=</span> <span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>globalSettings();
      <span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span> <span class="operator">*</span>defaultProfile <span class="operator">=</span> <span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span><span class="operator">::</span>defaultProfile();

      <span class="type">QString</span> standardFontFamily <span class="operator">=</span> defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>fontFamily(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>StandardFont);
      <span class="type">int</span> standardFontSize <span class="operator">=</span> defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>fontSize(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>DefaultFontSize);
      <span class="type">QFont</span> standardFont <span class="operator">=</span> <span class="type">QFont</span>(standardFontFamily<span class="operator">,</span> standardFontSize);
      standardFont <span class="operator">=</span> qvariant_cast<span class="operator">&lt;</span><span class="type">QFont</span><span class="operator">&gt;</span>(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;standardFont&quot;</span>)<span class="operator">,</span> standardFont));
      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setFontFamily(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>StandardFont<span class="operator">,</span> standardFont<span class="operator">.</span>family());
      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setFontSize(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>DefaultFontSize<span class="operator">,</span> standardFont<span class="operator">.</span>pointSize());

      <span class="type">QString</span> fixedFontFamily <span class="operator">=</span> defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>fontFamily(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>FixedFont);
      <span class="type">int</span> fixedFontSize <span class="operator">=</span> defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>fontSize(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>DefaultFixedFontSize);
      <span class="type">QFont</span> fixedFont <span class="operator">=</span> <span class="type">QFont</span>(fixedFontFamily<span class="operator">,</span> fixedFontSize);
      fixedFont <span class="operator">=</span> qvariant_cast<span class="operator">&lt;</span><span class="type">QFont</span><span class="operator">&gt;</span>(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;fixedFont&quot;</span>)<span class="operator">,</span> fixedFont));
      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setFontFamily(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>FixedFont<span class="operator">,</span> fixedFont<span class="operator">.</span>family());
      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setFontSize(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>DefaultFixedFontSize<span class="operator">,</span> fixedFont<span class="operator">.</span>pointSize());

      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>JavascriptEnabled<span class="operator">,</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;enableJavascript&quot;</span>)<span class="operator">,</span> <span class="keyword">true</span>)<span class="operator">.</span>toBool());
      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>ScrollAnimatorEnabled<span class="operator">,</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;enableScrollAnimator&quot;</span>)<span class="operator">,</span> <span class="keyword">true</span>)<span class="operator">.</span>toBool());

      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>PluginsEnabled<span class="operator">,</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;enablePlugins&quot;</span>)<span class="operator">,</span> <span class="keyword">true</span>)<span class="operator">.</span>toBool());

      defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>FullScreenSupportEnabled<span class="operator">,</span> <span class="keyword">true</span>);

      <span class="type">QString</span> css <span class="operator">=</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;userStyleSheet&quot;</span>))<span class="operator">.</span>toString();
      setUserStyleSheet(defaultProfile<span class="operator">,</span> css<span class="operator">,</span> mainWindow());

      defaultProfile<span class="operator">-</span><span class="operator">&gt;</span>setHttpUserAgent(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;httpUserAgent&quot;</span>))<span class="operator">.</span>toString());
      defaultProfile<span class="operator">-</span><span class="operator">&gt;</span>setHttpAcceptLanguage(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;httpAcceptLanguage&quot;</span>))<span class="operator">.</span>toString());

      <span class="keyword">switch</span> (settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;faviconDownloadMode&quot;</span>)<span class="operator">,</span> <span class="number">1</span>)<span class="operator">.</span>toInt()) {
      <span class="keyword">case</span> <span class="number">0</span>:
          defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>AutoLoadIconsForPage<span class="operator">,</span> <span class="keyword">false</span>);
          <span class="keyword">break</span>;
      <span class="keyword">case</span> <span class="number">1</span>:
          defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>AutoLoadIconsForPage<span class="operator">,</span> <span class="keyword">true</span>);
          defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>TouchIconsEnabled<span class="operator">,</span> <span class="keyword">false</span>);
          <span class="keyword">break</span>;
      <span class="keyword">case</span> <span class="number">2</span>:
          defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>AutoLoadIconsForPage<span class="operator">,</span> <span class="keyword">true</span>);
          defaultSettings<span class="operator">-</span><span class="operator">&gt;</span>setAttribute(<span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>TouchIconsEnabled<span class="operator">,</span> <span class="keyword">true</span>);
          <span class="keyword">break</span>;
      }

      settings<span class="operator">.</span>endGroup();
      settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">&quot;cookies&quot;</span>));

      <span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span><span class="operator">::</span>PersistentCookiesPolicy persistentCookiesPolicy <span class="operator">=</span>
              <span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span><span class="operator">::</span>PersistentCookiesPolicy(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;persistentCookiesPolicy&quot;</span>)<span class="operator">,</span>
                                                                        <span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span><span class="operator">::</span>AllowPersistentCookies)<span class="operator">.</span>toInt());
      defaultProfile<span class="operator">-</span><span class="operator">&gt;</span>setPersistentCookiesPolicy(persistentCookiesPolicy);
      <span class="type">QString</span> pdataPath <span class="operator">=</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;persistentDataPath&quot;</span>))<span class="operator">.</span>toString();
      defaultProfile<span class="operator">-</span><span class="operator">&gt;</span>setPersistentStoragePath(pdataPath);

      settings<span class="operator">.</span>endGroup();

      settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">&quot;proxy&quot;</span>));
      <span class="type">QNetworkProxy</span> proxy;
      <span class="keyword">if</span> (settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;enabled&quot;</span>)<span class="operator">,</span> <span class="keyword">false</span>)<span class="operator">.</span>toBool()) {
          <span class="keyword">if</span> (settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;type&quot;</span>)<span class="operator">,</span> <span class="number">0</span>)<span class="operator">.</span>toInt() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
              proxy <span class="operator">=</span> <span class="type">QNetworkProxy</span><span class="operator">::</span>Socks5Proxy;
          <span class="keyword">else</span>
              proxy <span class="operator">=</span> <span class="type">QNetworkProxy</span><span class="operator">::</span>HttpProxy;
          proxy<span class="operator">.</span>setHostName(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;hostName&quot;</span>))<span class="operator">.</span>toString());
          proxy<span class="operator">.</span>setPort(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;port&quot;</span>)<span class="operator">,</span> <span class="number">1080</span>)<span class="operator">.</span>toInt());
          proxy<span class="operator">.</span>setUser(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;userName&quot;</span>))<span class="operator">.</span>toString());
          proxy<span class="operator">.</span>setPassword(settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;password&quot;</span>))<span class="operator">.</span>toString());
          <span class="type">QNetworkProxy</span><span class="operator">::</span>setApplicationProxy(proxy);
      }
      settings<span class="operator">.</span>endGroup();
  }

  <span class="type">QList</span><span class="operator">&lt;</span>BrowserMainWindow<span class="operator">*</span><span class="operator">&gt;</span> BrowserApplication<span class="operator">::</span>mainWindows()
  {
      clean();
      <span class="type">QList</span><span class="operator">&lt;</span>BrowserMainWindow<span class="operator">*</span><span class="operator">&gt;</span> list;
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> m_mainWindows<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i)
          list<span class="operator">.</span>append(m_mainWindows<span class="operator">.</span>at(i));
      <span class="keyword">return</span> list;
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>clean()
  {
      <span class="comment">// cleanup any deleted main windows first</span>
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> m_mainWindows<span class="operator">.</span>count() <span class="operator">-</span> <span class="number">1</span>; i <span class="operator">&gt;</span><span class="operator">=</span> <span class="number">0</span>; <span class="operator">-</span><span class="operator">-</span>i)
          <span class="keyword">if</span> (m_mainWindows<span class="operator">.</span>at(i)<span class="operator">.</span>isNull())
              m_mainWindows<span class="operator">.</span>removeAt(i);
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>saveSession()
  {
      <span class="keyword">if</span> (m_privateBrowsing)
          <span class="keyword">return</span>;

      clean();

      <span class="type">QSettings</span> settings;
      settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">&quot;sessions&quot;</span>));

      <span class="type">QByteArray</span> data;
      <span class="type">QBuffer</span> buffer(<span class="operator">&amp;</span>data);
      <span class="type">QDataStream</span> stream(<span class="operator">&amp;</span>buffer);
      buffer<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadWrite);

      stream <span class="operator">&lt;</span><span class="operator">&lt;</span> m_mainWindows<span class="operator">.</span>count();
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> m_mainWindows<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i)
          stream <span class="operator">&lt;</span><span class="operator">&lt;</span> m_mainWindows<span class="operator">.</span>at(i)<span class="operator">-</span><span class="operator">&gt;</span>saveState();
      settings<span class="operator">.</span>setValue(QLatin1String(<span class="string">&quot;lastSession&quot;</span>)<span class="operator">,</span> data);
      settings<span class="operator">.</span>endGroup();
  }

  bool BrowserApplication<span class="operator">::</span>canRestoreSession() <span class="keyword">const</span>
  {
      <span class="keyword">return</span> <span class="operator">!</span>m_lastSession<span class="operator">.</span>isEmpty();
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>restoreLastSession()
  {
      <span class="type">QList</span><span class="operator">&lt;</span><span class="type">QByteArray</span><span class="operator">&gt;</span> windows;
      <span class="type">QBuffer</span> buffer(<span class="operator">&amp;</span>m_lastSession);
      <span class="type">QDataStream</span> stream(<span class="operator">&amp;</span>buffer);
      buffer<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadOnly);
      <span class="type">int</span> windowCount;
      stream <span class="operator">&gt;</span><span class="operator">&gt;</span> windowCount;
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> windowCount; <span class="operator">+</span><span class="operator">+</span>i) {
          <span class="type">QByteArray</span> windowState;
          stream <span class="operator">&gt;</span><span class="operator">&gt;</span> windowState;
          windows<span class="operator">.</span>append(windowState);
      }
      <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator">&lt;</span> windows<span class="operator">.</span>count(); <span class="operator">+</span><span class="operator">+</span>i) {
          BrowserMainWindow <span class="operator">*</span>newWindow <span class="operator">=</span> <span class="number">0</span>;
          <span class="keyword">if</span> (m_mainWindows<span class="operator">.</span>count() <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>
              <span class="operator">&amp;</span><span class="operator">&amp;</span> mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>tabWidget()<span class="operator">-</span><span class="operator">&gt;</span>count() <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>
              <span class="operator">&amp;</span><span class="operator">&amp;</span> mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>currentTab()<span class="operator">-</span><span class="operator">&gt;</span>url() <span class="operator">=</span><span class="operator">=</span> <span class="type">QUrl</span>()) {
              newWindow <span class="operator">=</span> mainWindow();
          } <span class="keyword">else</span> {
              newWindow <span class="operator">=</span> newMainWindow();
          }
          newWindow<span class="operator">-</span><span class="operator">&gt;</span>restoreState(windows<span class="operator">.</span>at(i));
      }
  }

  bool BrowserApplication<span class="operator">::</span>isTheOnlyBrowser() <span class="keyword">const</span>
  {
      <span class="keyword">return</span> (m_localServer <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>);
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>installTranslator(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&amp;</span>name)
  {
      <span class="type">QTranslator</span> <span class="operator">*</span>translator <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QTranslator</span>(<span class="keyword">this</span>);
      translator<span class="operator">-</span><span class="operator">&gt;</span>load(name<span class="operator">,</span> <span class="type">QLibraryInfo</span><span class="operator">::</span>location(<span class="type">QLibraryInfo</span><span class="operator">::</span>TranslationsPath));
      <span class="type">QApplication</span><span class="operator">::</span>installTranslator(translator);
  }

  <span class="type">QString</span> BrowserApplication<span class="operator">::</span>getCommandLineUrlArgument() <span class="keyword">const</span>
  {
      <span class="keyword">const</span> <span class="type">QStringList</span> args <span class="operator">=</span> <span class="type">QCoreApplication</span><span class="operator">::</span>arguments();
      <span class="keyword">if</span> (args<span class="operator">.</span>count() <span class="operator">&gt;</span> <span class="number">1</span>) {
          <span class="keyword">const</span> <span class="type">QString</span> lastArg <span class="operator">=</span> args<span class="operator">.</span>last();
          <span class="keyword">const</span> bool isValidUrl <span class="operator">=</span> <span class="type">QUrl</span><span class="operator">::</span>fromUserInput(lastArg)<span class="operator">.</span>isValid();
          <span class="keyword">if</span> (isValidUrl)
              <span class="keyword">return</span> lastArg;
      }

       <span class="keyword">return</span> <span class="type">QString</span>();
  }

  <span class="preprocessor">#if defined(Q_OS_OSX)</span>
  bool BrowserApplication<span class="operator">::</span>event(<span class="type">QEvent</span><span class="operator">*</span> event)
  {
      <span class="keyword">switch</span> (event<span class="operator">-</span><span class="operator">&gt;</span>type()) {
      <span class="keyword">case</span> <span class="type">QEvent</span><span class="operator">::</span>ApplicationActivate: {
          clean();
          <span class="keyword">if</span> (<span class="operator">!</span>m_mainWindows<span class="operator">.</span>isEmpty()) {
              BrowserMainWindow <span class="operator">*</span>mw <span class="operator">=</span> mainWindow();
              <span class="keyword">if</span> (mw <span class="operator">&amp;</span><span class="operator">&amp;</span> <span class="operator">!</span>mw<span class="operator">-</span><span class="operator">&gt;</span>isMinimized()) {
                  mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>show();
              }
              <span class="keyword">return</span> <span class="keyword">true</span>;
          }
      }
      <span class="keyword">case</span> <span class="type">QEvent</span><span class="operator">::</span>FileOpen:
          <span class="keyword">if</span> (<span class="operator">!</span>m_mainWindows<span class="operator">.</span>isEmpty()) {
              mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>loadPage(<span class="keyword">static_cast</span><span class="operator">&lt;</span><span class="type">QFileOpenEvent</span> <span class="operator">*</span><span class="operator">&gt;</span>(event)<span class="operator">-</span><span class="operator">&gt;</span>file());
              <span class="keyword">return</span> <span class="keyword">true</span>;
          }
      <span class="keyword">default</span>:
          <span class="keyword">break</span>;
      }
      <span class="keyword">return</span> <span class="type">QApplication</span><span class="operator">::</span>event(event);
  }
  <span class="preprocessor">#endif</span>

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>openUrl(<span class="keyword">const</span> <span class="type">QUrl</span> <span class="operator">&amp;</span>url)
  {
      mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>loadPage(url<span class="operator">.</span>toString());
  }

  BrowserMainWindow <span class="operator">*</span>BrowserApplication<span class="operator">::</span>newMainWindow()
  {
      BrowserMainWindow <span class="operator">*</span>browser <span class="operator">=</span> <span class="keyword">new</span> BrowserMainWindow();
      m_mainWindows<span class="operator">.</span>prepend(browser);
      browser<span class="operator">-</span><span class="operator">&gt;</span>show();
      <span class="keyword">return</span> browser;
  }

  BrowserMainWindow <span class="operator">*</span>BrowserApplication<span class="operator">::</span>mainWindow()
  {
      clean();
      <span class="keyword">if</span> (m_mainWindows<span class="operator">.</span>isEmpty())
          newMainWindow();
      <span class="keyword">return</span> m_mainWindows<span class="operator">[</span><span class="number">0</span><span class="operator">]</span>;
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>newLocalSocketConnection()
  {
      <span class="type">QLocalSocket</span> <span class="operator">*</span>socket <span class="operator">=</span> m_localServer<span class="operator">-</span><span class="operator">&gt;</span>nextPendingConnection();
      <span class="keyword">if</span> (<span class="operator">!</span>socket)
          <span class="keyword">return</span>;
      socket<span class="operator">-</span><span class="operator">&gt;</span>waitForReadyRead(<span class="number">1000</span>);
      <span class="type">QTextStream</span> stream(socket);
      <span class="type">QString</span> url;
      stream <span class="operator">&gt;</span><span class="operator">&gt;</span> url;
      <span class="keyword">if</span> (<span class="operator">!</span>url<span class="operator">.</span>isEmpty()) {
          <span class="type">QSettings</span> settings;
          settings<span class="operator">.</span>beginGroup(QLatin1String(<span class="string">&quot;general&quot;</span>));
          <span class="type">int</span> openLinksIn <span class="operator">=</span> settings<span class="operator">.</span>value(QLatin1String(<span class="string">&quot;openLinksIn&quot;</span>)<span class="operator">,</span> <span class="number">0</span>)<span class="operator">.</span>toInt();
          settings<span class="operator">.</span>endGroup();
          <span class="keyword">if</span> (openLinksIn <span class="operator">=</span><span class="operator">=</span> <span class="number">1</span>)
              newMainWindow();
          <span class="keyword">else</span>
              mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>tabWidget()<span class="operator">-</span><span class="operator">&gt;</span>newTab();
          openUrl(url);
      }
      <span class="keyword">delete</span> socket;
      mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>raise();
      mainWindow()<span class="operator">-</span><span class="operator">&gt;</span>activateWindow();
  }

  CookieJar <span class="operator">*</span>BrowserApplication<span class="operator">::</span>cookieJar()
  {
  <span class="preprocessor">#if defined(QWEBENGINEPAGE_SETNETWORKACCESSMANAGER)</span>
      <span class="keyword">return</span> (CookieJar<span class="operator">*</span>)networkAccessManager()<span class="operator">-</span><span class="operator">&gt;</span>cookieJar();
  <span class="preprocessor">#else</span>
      <span class="keyword">return</span> <span class="number">0</span>;
  <span class="preprocessor">#endif</span>
  }

  DownloadManager <span class="operator">*</span>BrowserApplication<span class="operator">::</span>downloadManager()
  {
      <span class="keyword">if</span> (<span class="operator">!</span>s_downloadManager) {
          s_downloadManager <span class="operator">=</span> <span class="keyword">new</span> DownloadManager();
      }
      <span class="keyword">return</span> s_downloadManager;
  }

  <span class="type">QNetworkAccessManager</span> <span class="operator">*</span>BrowserApplication<span class="operator">::</span>networkAccessManager()
  {
      <span class="keyword">if</span> (<span class="operator">!</span>s_networkAccessManager) {
          s_networkAccessManager <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QNetworkAccessManager</span>();
      }
      <span class="keyword">return</span> s_networkAccessManager;
  }

  HistoryManager <span class="operator">*</span>BrowserApplication<span class="operator">::</span>historyManager()
  {
      <span class="keyword">if</span> (<span class="operator">!</span>s_historyManager)
          s_historyManager <span class="operator">=</span> <span class="keyword">new</span> HistoryManager();
      <span class="keyword">return</span> s_historyManager;
  }

  BookmarksManager <span class="operator">*</span>BrowserApplication<span class="operator">::</span>bookmarksManager()
  {
      <span class="keyword">if</span> (<span class="operator">!</span>s_bookmarksManager) {
          s_bookmarksManager <span class="operator">=</span> <span class="keyword">new</span> BookmarksManager;
      }
      <span class="keyword">return</span> s_bookmarksManager;
  }

  <span class="type">QIcon</span> BrowserApplication<span class="operator">::</span>icon(<span class="keyword">const</span> <span class="type">QUrl</span> <span class="operator">&amp;</span>url) <span class="keyword">const</span>
  {
  <span class="preprocessor">#if defined(QTWEBENGINE_ICONDATABASE)</span>
      <span class="type">QIcon</span> icon <span class="operator">=</span> <span class="type"><a href="qwebenginesettings.html">QWebEngineSettings</a></span><span class="operator">::</span>iconForUrl(url);
      <span class="keyword">if</span> (<span class="operator">!</span>icon<span class="operator">.</span>isNull())
          <span class="keyword">return</span> icon<span class="operator">.</span>pixmap(<span class="number">16</span><span class="operator">,</span> <span class="number">16</span>);
  <span class="preprocessor">#else</span>
      Q_UNUSED(url);
  <span class="preprocessor">#endif</span>
      <span class="keyword">return</span> defaultIcon();
  }

  <span class="type">QIcon</span> BrowserApplication<span class="operator">::</span>defaultIcon() <span class="keyword">const</span>
  {
      <span class="keyword">if</span> (m_defaultIcon<span class="operator">.</span>isNull())
          m_defaultIcon <span class="operator">=</span> <span class="type">QIcon</span>(QLatin1String(<span class="string">&quot;:defaulticon.png&quot;</span>));
      <span class="keyword">return</span> m_defaultIcon;
  }

  <span class="type">void</span> BrowserApplication<span class="operator">::</span>setPrivateBrowsing(bool privateBrowsing)
  {
      <span class="keyword">if</span> (m_privateBrowsing <span class="operator">=</span><span class="operator">=</span> privateBrowsing)
          <span class="keyword">return</span>;
      m_privateBrowsing <span class="operator">=</span> privateBrowsing;
      <span class="keyword">if</span> (privateBrowsing) {
          <span class="keyword">if</span> (<span class="operator">!</span>m_privateProfile)
              m_privateProfile <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span>(<span class="keyword">this</span>);
          Q_FOREACH (BrowserMainWindow<span class="operator">*</span> window<span class="operator">,</span> mainWindows()) {
              window<span class="operator">-</span><span class="operator">&gt;</span>tabWidget()<span class="operator">-</span><span class="operator">&gt;</span>setProfile(m_privateProfile);
          }
      } <span class="keyword">else</span> {
          Q_FOREACH (BrowserMainWindow<span class="operator">*</span> window<span class="operator">,</span> mainWindows()) {
              window<span class="operator">-</span><span class="operator">&gt;</span>tabWidget()<span class="operator">-</span><span class="operator">&gt;</span>setProfile(<span class="type"><a href="qwebengineprofile.html">QWebEngineProfile</a></span><span class="operator">::</span>defaultProfile());
              window<span class="operator">-</span><span class="operator">&gt;</span>m_lastSearch <span class="operator">=</span> <span class="type">QString</span>();
              window<span class="operator">-</span><span class="operator">&gt;</span>tabWidget()<span class="operator">-</span><span class="operator">&gt;</span>clear();
          }
      }
      <span class="keyword">emit</span> privateBrowsingChanged(privateBrowsing);
  }

</pre>
</div>
<!-- @@@webenginewidgets/demobrowser/browserapplication.cpp -->
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   their respective owners.<br>    The documentation provided herein is licensed under the terms of the    <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation    License version 1.3</a> as published by the Free Software Foundation.<br>    Qt and respective logos are trademarks of The Qt Company Ltd.     in Finland and/or other countries worldwide. All other trademarks are property
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