mainwindow.cpp Example File

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 #include "mainwindow.h"
 #include "imageanalyzer.h"

 #include <QWebFrame>
 #include <QWebElementCollection>
 #include <QNetworkDiskCache>

 /*
  * Default Constructor
  */
 MainWin::MainWin(QWidget * parent) : QWebView(parent)
 {
     m_network = new QNetworkAccessManager(this);
     m_cache = new QNetworkDiskCache(this);
     m_cache->setCacheDirectory(QDesktopServices::storageLocation(QDesktopServices::CacheLocation) + "/imageanalyzer");
     m_cache->setMaximumCacheSize(1000000); //set the cache to 10megs
     m_network->setCache(m_cache);
     page()->setNetworkAccessManager(m_network);

     m_analyzer = new ImageAnalyzer(m_cache, this);

     // Signal is emitted before frame loads any web content:
     QObject::connect(page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()),
                      this, SLOT(addJSObject()));

     // qrc:// URLs refer to resources. See imagenalayzer.qrc
     QUrl startURL = QUrl("qrc:/index.html");

     // Load web content now!
     setUrl(startURL);
 }

 void MainWin::addJSObject() {
     // Add pAnalyzer to JavaScript Frame as member "imageAnalyzer".
     page()->mainFrame()->addToJavaScriptWindowObject(QString("imageAnalyzer"), m_analyzer);
 }