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main.cpp

#include <QtGui/QApplication>
#include "mainwindow.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();

    return a.exec&#40;&#41;;
}

mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QtGui/QMainWindow>
#include <QtGui>
#include <downloaddialog.h>
#include <xronview.h>

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = 0);
    QTabWidget *tab;
    XronView* view;
    ~MainWindow();
};

#endif // MAINWINDOW_H


mainwindow.cpp

#include "mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    tab  = new QTabWidget;
    tab->addTab(view = new XronView,"hello");
    tab->addTab(view = new XronView,"world");
    setCentralWidget(tab);
}

MainWindow::~MainWindow()
{

}


xronview.h


#ifndef XRONVIEW_H
#define XRONVIEW_H

#include <QtGui>
#include <QtWebKit/QtWebKit>
#include <downloaddialog.h>
#include <QtNetwork/QtNetwork>

class XronView : public QWebView
{
    Q_OBJECT

public:
    XronView();
    downLoadDialog* d;
    ~XronView();
public slots:
    void down(const QNetworkRequest & req);

};

#endif // XRONVIEW_H

xronview.cpp


#include "xronview.h"
#include <QtWebKit/QtWebKit>
#include <downloaddialog.h>


XronView::XronView(): QWebView()
{
    d = new downLoadDialog;

 /*   QWebPage::LinkDelegationPolicy policy=QWebPage::DelegateAllLinks;
    this->page()->setLinkDelegationPolicy(policy);*/
    this->page()->setForwardUnsupportedContent(true);

    connect(this->page(),SIGNAL(downloadRequested(QNetworkRequest)),
            d,SLOT(connectItem(QNetworkRequest)));
    connect(this->page(),SIGNAL(downloadRequested(const QNetworkRequest &)),
            this,SLOT(down(const QNetworkRequest &)));

     d->show();

     this->load(QUrl("http://www.upload.com.ua"));
 }
void XronView::down(const QNetworkRequest & req)
{

    QMessageBox msgBox;
    msgBox.setText("ROBIT");
    msgBox.exec&#40;&#41;;

}

XronView::~XronView()
{

}

downloaddialog.h

#ifndef DOWNLOADDIALOG_H
#define DOWNLOADDIALOG_H

#include <QDialog>
#include <downloaditem.h>
#include <QtGui>
#include <QtNetwork>

class downLoadDialog : public QDialog
{
    Q_OBJECT
public:
    explicit downLoadDialog(QWidget *parent = 0);
    QGridLayout* layout;
    downLoadItem* item;

public slots:
    void connectItem(QNetworkRequest &request;);
signals:
  //  void recived(QUrl url);

};

#endif // DOWNLOADDIALOG_H

downloaddialog.cpp

#include "downloaddialog.h"
#include <QtGui>
#include <QString>
#include <QtNetwork>

downLoadDialog::downLoadDialog(QWidget *parent) :
    QDialog(parent)
{
    item = new downLoadItem;
    layout = new QGridLayout;
    layout->addWidget(item->_name,0,0);
    layout->addWidget(item->bar,0,1);
    layout->addWidget(item->speed,0,2);
    layout->addWidget(item->size,1,0);
 //   item->init("http://dl10.upload.com.ua/file/626238646a32606e3132363a6067383137326262383c323c666931696035656a6b643863673769663c2d3c38656336333262/Blokada_2.rar");
    connect(this,SIGNAL(recived(QUrl)),item,SLOT(init(QUrl)));
    setLayout(layout);
}
void downLoadDialog::connectItem(QNetworkRequest &request;)
{
    item->init(request);

    QMessageBox msgBox;
    msgBox.setText("ROBIT");
    msgBox.exec&#40;&#41;;

   // emit recived(link);

}


downloaditem.h

#ifndef DOWNLOADITEM_H
#define DOWNLOADITEM_H

#include <QObject>
#include <QtNetwork/QtNetwork>
#include <QFile>
#include <QString>
#include <QtGui>

class downLoadItem : public QObject
{
    Q_OBJECT
public:
    explicit downLoadItem(QObject *parent = 0);

    QFile file;
    QNetworkAccessManager *Manager;
    QString link;
    QString name;
    QString getFileName(QUrl url);

    QProgressBar* bar;
    QLabel* _name;
    QLabel* size;
    QLabel* speed;
    QLabel* time;

    qint64 Recived;
    qint64 Total;
    QTime downloadTime;


public slots:
    void slotReadyRead();
    void slotError(QNetworkReply::NetworkError);
    void slotFinished();
    void downloadProgress(qint64,qint64);
    void init(QNetworkRequest &request;);

public slots:

};

#endif // DOWNLOADITEM_H

downloaditem.cpp

#include "downloaditem.h"

downLoadItem::downLoadItem(QObject *parent) :
    QObject(parent)
{
    bar = new QProgressBar;
    size= new QLabel("size");
    time= new QLabel("time");
    speed= new QLabel("speed");
    _name= new QLabel("name");

}
void downLoadItem::init(QNetworkRequest &request;)
{
    Manager = new QNetworkAccessManager;

   // QNetworkRequest request;
  //  request.setUrl(QUrl(link));

    QNetworkReply *reply = Manager->get(request);
    Manager->head(request);
  /*  if ((reply->hasRawHeader("Content-Type") == true) && (reply->rawHeader("Content-Type") == "application/octet-stream"))
    {*/
    connect(reply, SIGNAL(readyRead()), this, SLOT(slotReadyRead()));
    connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
               this, SLOT(slotError(QNetworkReply::NetworkError)));
    connect(reply, SIGNAL(finished()), this, SLOT(slotFinished()));
    connect(reply, SIGNAL(downloadProgress(qint64,qint64)),
               this, SLOT(downloadProgress(qint64,qint64)));


    file.setFileName(getFileName(reply->url()));
    file.open(QIODevice::WriteOnly);
    downloadTime.start();
   // }
}

void downLoadItem::downloadProgress(qint64 bRecived, qint64 bTotal)
{
    bar->setValue(bRecived);
    bar->setMaximum(bTotal);
    size->setText(QString::number(bTotal));
    double sped = bRecived * 1000.0 / downloadTime.elapsed();
    speed->setText(QString::number(sped));
    double timeRemaining = ((double)(bTotal - bRecived)) / sped;
    time->setText(QString::number(timeRemaining));
}

QString downLoadItem::getFileName(QUrl url)
{
    QString path = url.path();
    QFileInfo info(path);
    QString suffix = info.suffix();
    QString defaultLocation = QDesktopServices::storageLocation(QDesktopServices::DesktopLocation);
    name += defaultLocation+QLatin1Char('/')+info.completeBaseName()+"."+suffix;
    _name->setText(info.completeBaseName()+"."+suffix);

    return name;
}

void downLoadItem::slotError(QNetworkReply::NetworkError)
{

}
void downLoadItem::slotFinished()
{
    QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
    file.close();
    reply->deleteLater();
}
void downLoadItem::slotReadyRead()
{
    QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());
    file.write(reply->readAll());
}