httpwindow.h Example File

 /****************************************************************************
 **
 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
 ** 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:
 **
 ** "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 Digia Plc and its Subsidiary(-ies) 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
 ** "AS IS" 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."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef HTTPWINDOW_H
 #define HTTPWINDOW_H

 #ifdef Q_WS_MAEMO_5
 #include <QWidget>
 #else
 #include <QDialog>
 #endif
 #include <QNetworkAccessManager>
 #include <QUrl>

 class QDialogButtonBox;
 class QFile;
 class QLabel;
 class QLineEdit;
 class QProgressDialog;
 class QPushButton;
 class QSslError;
 class QAuthenticator;
 class QNetworkReply;


 #ifdef Q_WS_MAEMO_5
 class HttpWindow : public QWidget
 #else
 class HttpWindow : public QDialog
 #endif
 {
     Q_OBJECT

 public:
     HttpWindow(QWidget *parent = 0);

     void startRequest(QUrl url);

 private slots:
     void downloadFile();
     void cancelDownload();
     void httpFinished();
     void httpReadyRead();
     void updateDataReadProgress(qint64 bytesRead, qint64 totalBytes);
     void enableDownloadButton();
     void slotAuthenticationRequired(QNetworkReply*,QAuthenticator *);
 #ifndef QT_NO_OPENSSL
     void sslErrors(QNetworkReply*,const QList<QSslError> &errors);
 #endif

 private:
     QLabel *statusLabel;
     QLabel *urlLabel;
     QLineEdit *urlLineEdit;
 #ifndef Q_WS_MAEMO_5
     QProgressDialog *progressDialog;
 #endif
     QPushButton *downloadButton;
     QPushButton *quitButton;
     QDialogButtonBox *buttonBox;

     QUrl url;
     QNetworkAccessManager qnam;
     QNetworkReply *reply;
     QFile *file;
     int httpGetId;
     bool httpRequestAborted;
 };

 #endif