98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
// Copyright (C) 2017 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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#include <QCommandLineParser>
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#include <QGuiApplication>
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#include <QNetworkAccessManager>
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#include <QNetworkProxy>
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#include <QQmlEngine>
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#include <QQmlNetworkAccessManagerFactory>
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#include <QtQuick/QQuickView>
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/*
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This example illustrates using a QQmlNetworkAccessManagerFactory to
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create a QNetworkAccessManager with a proxy.
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Usage:
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networkaccessmanagerfactory [-host <proxy> -port <port>] [file]
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*/
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#if QT_CONFIG(networkproxy)
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static QString proxyHost;
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static int proxyPort = 0;
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#endif // networkproxy
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class MyNetworkAccessManagerFactory : public QQmlNetworkAccessManagerFactory
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{
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public:
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QNetworkAccessManager *create(QObject *parent) override;
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};
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QNetworkAccessManager *MyNetworkAccessManagerFactory::create(QObject *parent)
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{
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QNetworkAccessManager *nam = new QNetworkAccessManager(parent);
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#if QT_CONFIG(networkproxy)
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if (!proxyHost.isEmpty()) {
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qDebug() << "Created QNetworkAccessManager using proxy" << (proxyHost + ":" + QString::number(proxyPort));
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QNetworkProxy proxy(QNetworkProxy::HttpCachingProxy, proxyHost, proxyPort);
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nam->setProxy(proxy);
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}
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#endif // networkproxy
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return nam;
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}
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int main(int argc, char ** argv)
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{
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QUrl source("qrc:view.qml");
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QGuiApplication app(argc, argv);
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QCommandLineParser parser;
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#if QT_CONFIG(networkproxy)
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QCommandLineOption proxyHostOption("host", "The proxy host to use.", "host");
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parser.addOption(proxyHostOption);
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QCommandLineOption proxyPortOption("port", "The proxy port to use.", "port", "0");
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parser.addOption(proxyPortOption);
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#endif // networkproxy
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parser.addPositionalArgument("file", "The file to use.");
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QCommandLineOption helpOption = parser.addHelpOption();
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parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
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QStringList arguments = QCoreApplication::arguments();
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if (!parser.parse(arguments)) {
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qWarning() << parser.helpText() << '\n' << parser.errorText();
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exit(1);
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}
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if (parser.isSet(helpOption)) {
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qWarning() << parser.helpText();
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exit(0);
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}
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#if QT_CONFIG(networkproxy)
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if (parser.isSet(proxyHostOption))
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proxyHost = parser.value(proxyHostOption);
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if (parser.isSet(proxyPortOption)) {
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bool ok = true;
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proxyPort = parser.value(proxyPortOption).toInt(&ok);
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if (!ok || proxyPort < 1 || proxyPort > 65535) {
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qWarning() << parser.helpText() << "\nNo valid port given. It should\
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be a number between 1 and 65535";
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exit(1);
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}
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}
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#endif // networkproxy
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if (parser.positionalArguments().count() == 1)
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source = QUrl::fromLocalFile(parser.positionalArguments().first());
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QQuickView view;
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MyNetworkAccessManagerFactory networkManagerFactory;
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view.engine()->setNetworkAccessManagerFactory(&networkManagerFactory);
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view.setSource(source);
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view.show();
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return app.exec();
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}
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