Qt Reference Documentation

main.cpp Example File

declarative/cppextensions/networkaccessmanagerfactory/main.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the demonstration applications 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 Nokia Corporation 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."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include <QApplication>
 #include <QNetworkAccessManager>
 #include <QNetworkProxy>

 #include <QDeclarativeEngine>
 #include <QDeclarativeNetworkAccessManagerFactory>
 #include <QDeclarativeView>

 /*
    This example illustrates using a QDeclarativeNetworkAccessManagerFactory to
    create a QNetworkAccessManager with a proxy.

    Usage:
      networkaccessmanagerfactory [-host <proxy> -port <port>] [file]
 */

 static QString proxyHost;
 static int proxyPort = 0;

 class MyNetworkAccessManagerFactory : public QDeclarativeNetworkAccessManagerFactory
 {
 public:
     virtual QNetworkAccessManager *create(QObject *parent);
 };

 QNetworkAccessManager *MyNetworkAccessManagerFactory::create(QObject *parent)
 {
     QNetworkAccessManager *nam = new QNetworkAccessManager(parent);
     if (!proxyHost.isEmpty()) {
         qDebug() << "Created QNetworkAccessManager using proxy" << (proxyHost + ":" + QString::number(proxyPort));
         QNetworkProxy proxy(QNetworkProxy::HttpCachingProxy, proxyHost, proxyPort);
         nam->setProxy(proxy);
     }

     return nam;
 }

 int main(int argc, char ** argv)
 {
     QUrl source("qrc:view.qml");

     QApplication app(argc, argv);

     for (int i = 1; i < argc; ++i) {
         QString arg(argv[i]);
         if (arg == "-host" && i < argc-1) {
             proxyHost = argv[++i];
         } else if (arg == "-port" && i < argc-1) {
             arg = argv[++i];
             proxyPort = arg.toInt();
         } else if (arg[0] != '-') {
             source = QUrl::fromLocalFile(arg);
         } else {
             qWarning() << "Usage: networkaccessmanagerfactory [-host <proxy> -port <port>] [file]";
             exit(1);
         }
     }

     QDeclarativeView view;
     view.engine()->setNetworkAccessManagerFactory(new MyNetworkAccessManagerFactory);

     view.setSource(source);
     view.show();

     return app.exec();
 }
X

Thank you for giving your feedback.

Make sure it is related to this specific page. For more general bugs and requests, please use the Qt Bug Tracker.