C++ (Cpp) Updater::setUrl示例

/**
 * Returns the \c Updater instance registered with the given \a url.
 *
 * If an \c Updater instance registered with teh given \a url does not exist,
 * this function will create it and configure it automatically.
 */
Updater* QSimpleUpdater::getUpdater (const QString& url) const
{
    if (!URLS.contains (url)) {
        Updater* updater = new Updater;
        updater->setUrl (url);

        URLS.append (url);
        UPDATERS.append (updater);

        connect (updater, SIGNAL (checkingFinished  (QString)),
                 this,    SIGNAL (checkingFinished  (QString)));
        connect (updater, SIGNAL (downloadFinished  (QString, QString)),
                 this,    SIGNAL (downloadFinished  (QString, QString)));
        connect (updater, SIGNAL (appcastDownloaded (QString, QByteArray)),
                 this,    SIGNAL (appcastDownloaded (QString, QByteArray)));
    }

    return UPDATERS.at (URLS.indexOf (url));
}