Method startCheckForNewVersion

YUViewLib/src/handler/UpdateHandler.cpp:126–172

Start the asynchronous checking for an update.

// Start the asynchronous checking for an update.
void updateHandler::startCheckForNewVersion(bool userRequest, bool force)
{
  QSettings settings;
  settings.beginGroup("updates");
  bool checkForUpdates = settings.value("checkForUpdates", true).toBool();
  forceUpdate = force;
  settings.endGroup();
  if (!userRequest && !checkForUpdates && !forceUpdate)
    // The user did not request this, we are not automatocally checking for updates and it is not a forced check. Abort.
    return;

  if (updaterStatus != updaterIdle)
    // The updater is busy. Do not start another check for updates.
    return;

  if (UPDATE_FEATURE_ENABLE && is_Q_OS_WIN)
  {
    // We are on windows and the update feature is available.
    // Check the Github repository branch binariesAutoUpdate if there is a new version of the YUView executable available.
    // First we will try to establish a secure connection to raw.githubusercontent.com
#if ALLOW_UNENCRYPTED_CONNECTIONS
    DEBUG_UPDATE("updateHandler::startCheckForNewVersion connectToHost raw.githubusercontent.com");
    updaterStatus = updaterEstablishConnection;
    userCheckRequest = userRequest;
    networkManager.connectToHost("raw.githubusercontent.com");
#else
    DEBUG_UPDATE("updateHandler::startCheckForNewVersion connectToHostEncrypted raw.githubusercontent.com");
    updaterStatus = updaterEstablishConnection;
    userCheckRequest = userRequest;
    networkManager.connectToHostEncrypted("raw.githubusercontent.com");
#endif
  }
  else if (VERSION_CHECK)
  {
    // We can check the Github API for the commit hash. After that we can say if there is a new version available on Github.
    updaterStatus = updaterChecking;
    userCheckRequest = userRequest;
    DEBUG_UPDATE("updateHandler::startCheckForNewVersion get https://api.github.com/repos/IENT/YUView/commits");
    networkManager.get(QNetworkRequest(QUrl("https://api.github.com/repos/IENT/YUView/commits")));
  }
  else
  {
    // We don't know the current version. We cannot check if there is a newer one.
    if (userRequest)
      QMessageBox::information(mainWidget, "Can not check for updates", "Unfortunately no version information has been compiled into this YUView version. Because of this we cannot check for updates.");
  }
}

// There is an answer from the server.
void updateHandler::replyFinished(QNetworkReply *reply)