MainWindow of the program

mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QtWebKit/QWebView>
#include <QUrl>
#include <QDesktopServices>
#include <QMessageBox>

MainWindow::MainWindow(const QUrl& urlToOpen, QWidget *parent) :
    QWebView(parent)

{
    load(urlToOpen);
    QWebSettings::setIconDatabasePath(QDesktopServices::storageLocation(QDesktopServices::ApplicationsLocation));
    connect(this, SIGNAL(titleChanged(QString)), SLOT(onTitleChanged(QString)));
    connect(this, SIGNAL(iconChanged()), SLOT(onIconChanged()));
    connect(this, SIGNAL(loadFinished(bool)), SLOT(onLoadPageFinished(bool)));
}

void MainWindow::onTitleChanged(const QString& title)
{
    setWindowTitle(title);
}

void MainWindow::onIconChanged()
{
    setWindowIcon(icon());
}

void MainWindow::onLoadPageFinished(bool isLoadFinished)
{
    setWindowIcon(icon());
    if(isLoadFinished)
        QMessageBox::information(this, "Load Finished", "Page is Loaded Successfully", QMessageBox::Ok);
    else
        QMessageBox::information(this, "Load Finished", "Page Loading Timeout", QMessageBox::Ok);
}

MainWindow::~MainWindow()
{

}

mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QWebView>


class QUrl;

class MainWindow : public QWebView
{
    Q_OBJECT
    
public:
    explicit MainWindow(const QUrl& urlToOpen, QWidget *parent = 0);
    ~MainWindow();
    
private:
    QWebView *m_webView;

private slots:
    void onTitleChanged(const QString&);
    void onIconChanged();
    void onLoadPageFinished(bool);
};

#endif // MAINWINDOW_H