Qt Documentation (Technology Preview) | Qt Network Authorization | Twitter Timeline Example | twitter.cpp Example File

Qt 5.9.3 Reference Documentation

# twitter.cpp Example File

twittertimeline/twitter.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2017 The Qt Company Ltd.
      ** Contact: https://www.qt.io/licensing/
      **
      ** This file is part of the Qt Network Auth module of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see https://www.qt.io/terms-conditions. For further
      ** information use the contact form at https://www.qt.io/contact-us.
      **
      ** BSD License Usage
      ** Alternatively, 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 The Qt Company Ltd 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 "twitter.h"

      #include <QtGui>
      #include <QtCore>
      #include <QtNetwork>

      Twitter::Twitter(QObject *parent) :
          Twitter(QString(), qMakePair(QString(), QString()), parent)
      {}

      Twitter::Twitter(const QPair<QString, QString> &clientCredentials, QObject *parent) :
          Twitter(QString(), clientCredentials, parent)
      {}

      Twitter::Twitter(const QString &screenName,
                       const QPair<QString, QString> &clientCredentials,
                       QObject *parent) :
          QOAuth1(clientCredentials.first, clientCredentials.second, nullptr, parent)
      {
          replyHandler = new QOAuthHttpServerReplyHandler(this);
          replyHandler->setCallbackPath("callback");
          setReplyHandler(replyHandler);
          setTemporaryCredentialsUrl(QUrl("https://api.twitter.com/oauth/request_token"));
          setAuthorizationUrl(QUrl("https://api.twitter.com/oauth/authenticate"));
          setTokenCredentialsUrl(QUrl("https://api.twitter.com/oauth/access_token"));

          connect(this, &QAbstractOAuth::authorizeWithBrowser, [=](QUrl url) {
              QUrlQuery query(url);

              // Forces the user to enter their credentials to authorize the correct
              // user account
              query.addQueryItem("force_login", "true");

              if (!screenName.isEmpty())
                  query.addQueryItem("screen_name", screenName);
              url.setQuery(query);
              QDesktopServices::openUrl(url);
          });

          connect(this, &QOAuth1::granted, this, &Twitter::authenticated);

          if (!clientCredentials.first.isEmpty() && !clientCredentials.second.isEmpty())
              grant();
      }