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| ** This file is part of the demonstration applications of the Qt Toolkit. |
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| |
| #include <QCommandLineParser> |
| #include <QGuiApplication> |
| #include <QNetworkAccessManager> |
| #include <QNetworkProxy> |
| |
| #include <QQmlEngine> |
| #include <QQmlNetworkAccessManagerFactory> |
| #include <QtQuick/QQuickView> |
| |
| |
| /* |
| This example illustrates using a QQmlNetworkAccessManagerFactory to |
| create a QNetworkAccessManager with a proxy. |
| |
| Usage: |
| networkaccessmanagerfactory [-host <proxy> -port <port>] [file] |
| */ |
| |
| #if QT_CONFIG(networkproxy) |
| static QString proxyHost; |
| static int proxyPort = 0; |
| #endif // networkproxy |
| |
| class MyNetworkAccessManagerFactory : public QQmlNetworkAccessManagerFactory |
| { |
| public: |
| QNetworkAccessManager *create(QObject *parent) override; |
| }; |
| |
| QNetworkAccessManager *MyNetworkAccessManagerFactory::create(QObject *parent) |
| { |
| QNetworkAccessManager *nam = new QNetworkAccessManager(parent); |
| #if QT_CONFIG(networkproxy) |
| if (!proxyHost.isEmpty()) { |
| qDebug() << "Created QNetworkAccessManager using proxy" << (proxyHost + ":" + QString::number(proxyPort)); |
| QNetworkProxy proxy(QNetworkProxy::HttpCachingProxy, proxyHost, proxyPort); |
| nam->setProxy(proxy); |
| } |
| #endif // networkproxy |
| |
| return nam; |
| } |
| |
| int main(int argc, char ** argv) |
| { |
| QUrl source("qrc:view.qml"); |
| |
| QGuiApplication app(argc, argv); |
| |
| QCommandLineParser parser; |
| #if QT_CONFIG(networkproxy) |
| QCommandLineOption proxyHostOption("host", "The proxy host to use.", "host"); |
| parser.addOption(proxyHostOption); |
| QCommandLineOption proxyPortOption("port", "The proxy port to use.", "port", "0"); |
| parser.addOption(proxyPortOption); |
| #endif // networkproxy |
| parser.addPositionalArgument("file", "The file to use."); |
| QCommandLineOption helpOption = parser.addHelpOption(); |
| parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions); |
| QStringList arguments = QCoreApplication::arguments(); |
| if (!parser.parse(arguments)) { |
| qWarning() << parser.helpText() << '\n' << parser.errorText(); |
| exit(1); |
| } |
| if (parser.isSet(helpOption)) { |
| qWarning() << parser.helpText(); |
| exit(0); |
| } |
| #if QT_CONFIG(networkproxy) |
| if (parser.isSet(proxyHostOption)) |
| proxyHost = parser.value(proxyHostOption); |
| if (parser.isSet(proxyPortOption)) { |
| bool ok = true; |
| proxyPort = parser.value(proxyPortOption).toInt(&ok); |
| if (!ok || proxyPort < 1 || proxyPort > 65535) { |
| qWarning() << parser.helpText() << "\nNo valid port given. It should\ |
| be a number between 1 and 65535"; |
| exit(1); |
| } |
| } |
| #endif // networkproxy |
| if (parser.positionalArguments().count() == 1) |
| source = QUrl::fromLocalFile(parser.positionalArguments().first()); |
| |
| QQuickView view; |
| MyNetworkAccessManagerFactory networkManagerFactory; |
| view.engine()->setNetworkAccessManagerFactory(&networkManagerFactory); |
| |
| view.setSource(source); |
| view.show(); |
| |
| return app.exec(); |
| } |
| |