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<h1 class="title">mainwindow.cpp Example File</h1>
<span class="subtitle">webkitwidgets/imageanalyzer/mainwindow.cpp</span>
<!-- $$$webkitwidgets/imageanalyzer/mainwindow.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:
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** * Redistributions of source code must retain the above copyright
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<span class="preprocessor">#include "mainwindow.h"</span>
<span class="preprocessor">#include "imageanalyzer.h"</span>
<span class="preprocessor">#include <QWebFrame></span>
<span class="preprocessor">#include <QWebElementCollection></span>
<span class="preprocessor">#include <QNetworkDiskCache></span>
<span class="comment">/*
* Default Constructor
*/</span>
MainWin<span class="operator">::</span>MainWin(<span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span> parent) : <span class="type"><a href="../qtwebkit/qwebview.html">QWebView</a></span>(parent)
{
m_network <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtnetwork/qnetworkaccessmanager.html">QNetworkAccessManager</a></span>(<span class="keyword">this</span>);
m_cache <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="../qtnetwork/qnetworkdiskcache.html">QNetworkDiskCache</a></span>(<span class="keyword">this</span>);
m_cache<span class="operator">-</span><span class="operator">></span>setCacheDirectory(<span class="type"><a href="../qtcore/qstandardpaths.html">QStandardPaths</a></span><span class="operator">::</span>writableLocation(<span class="type"><a href="../qtcore/qstandardpaths.html">QStandardPaths</a></span><span class="operator">::</span>CacheLocation) <span class="operator">+</span> <span class="string">"/imageanalyzer"</span>);
m_cache<span class="operator">-</span><span class="operator">></span>setMaximumCacheSize(<span class="number">1000000</span>); <span class="comment">//set the cache to 10megs</span>
m_network<span class="operator">-</span><span class="operator">></span>setCache(m_cache);
page()<span class="operator">-</span><span class="operator">></span>setNetworkAccessManager(m_network);
m_analyzer <span class="operator">=</span> <span class="keyword">new</span> ImageAnalyzer(m_cache<span class="operator">,</span> <span class="keyword">this</span>);
<span class="comment">// Signal is emitted before frame loads any web content:</span>
<span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>connect(page()<span class="operator">-</span><span class="operator">></span>mainFrame()<span class="operator">,</span> SIGNAL(javaScriptWindowObjectCleared())<span class="operator">,</span>
<span class="keyword">this</span><span class="operator">,</span> SLOT(addJSObject()));
<span class="comment">// qrc:// URLs refer to resources. See imagenalayzer.qrc</span>
<span class="type"><a href="../qtcore/qurl.html">QUrl</a></span> startURL <span class="operator">=</span> <span class="type"><a href="../qtcore/qurl.html">QUrl</a></span>(<span class="string">"qrc:/index.html"</span>);
<span class="comment">// Load web content now!</span>
setUrl(startURL);
}
<span class="type">void</span> MainWin<span class="operator">::</span>addJSObject() {
<span class="comment">// Add pAnalyzer to JavaScript Frame as member "imageAnalyzer".</span>
page()<span class="operator">-</span><span class="operator">></span>mainFrame()<span class="operator">-</span><span class="operator">></span>addToJavaScriptWindowObject(<span class="type"><a href="../qtcore/qstring.html">QString</a></span>(<span class="string">"imageAnalyzer"</span>)<span class="operator">,</span> m_analyzer);
}</pre>
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