C++ QNetworkReply::isOpen方法代码示例

bool QNetworkReplyProto::isOpen() const
{
  QNetworkReply *item = qscriptvalue_cast<QNetworkReply*>(thisObject());
  if (item)
    return item->isOpen();
  return false;
}

// Finished uploading an image
void ShareOnline::Imgur::uploadFinished() {

    // The sending network reply
    QNetworkReply *reply = (QNetworkReply*)(sender());

    // The reply is not open when operation was aborted
    if(!reply->isOpen()) {
        emit imgurImageUrl("");
        emit finished();
        return;
    }

    // Read output from finished network reply
    QString resp = reply->readAll();

    // Delete sender object
    reply->deleteLater();

    // If there has been an error...
    if(resp.contains("success=\"0\"")) {
        if(debug) {
            QString errorMsg = resp.split("<error>").at(1).split("</error>").at(0);
            LOG << CURDATE << QString("ERROR! An error occured. Error message: %1").arg(errorMsg).toStdString() << NL;
        }
        emit finished();
        return;
    }

    // If data doesn't contain a valid link, something went wrong
    if(!resp.contains("<link>") || !resp.contains("<deletehash>")) {
        if(debug)
            LOG << CURDATE << QString("ERROR! Invalid return data received: %1").arg(resp).toStdString() << NL;
        emit finished();
        return;
    }

    // Read out the link
    QString imgLink = resp.split("<link>").at(1).split("</link>").at(0);
    QString delHash = resp.split("<deletehash>").at(1).split("</deletehash>").at(0);
    // and tell the user
    emit imgurImageUrl(imgLink);
    emit imgurDeleteHash(delHash);
    emit finished();

}

// creates a total download progress for multiple QNetworkReplies
void SettingsDialog::downloadProgress(qint64 received, qint64 total)
{
    // Don't show progress for non-docset pages
    if (total == -1 || received < 10240)
        return;

    QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
    if (!reply || !reply->isOpen())
        return;

    if (reply->property(DownloadTypeProperty).toInt() == DownloadDocset)  {
        const QString docsetName = reply->property(DocsetNameProperty).toString();

        QTemporaryFile *tmpFile = m_tmpFiles[docsetName];
        if (!tmpFile) {
            tmpFile = new QTemporaryFile(this);
            tmpFile->open();
            m_tmpFiles.insert(docsetName, tmpFile);
        }

        tmpFile->write(reply->read(received));
    }

    // Try to get the item associated to the request
    QListWidgetItem *item
            = ui->availableDocsetList->item(reply->property(ListItemIndexProperty).toInt());
    if (item)
        item->setData(ProgressItemDelegate::ValueRole, percent(received, total));

    qint64 previousReceived = 0;
    const QVariant previousReceivedVariant = reply->property(DownloadPreviousReceived);
    if (!previousReceivedVariant.isValid())
        m_combinedTotal += total;
    else
        previousReceived = previousReceivedVariant.toLongLong();

    m_combinedReceived += received - previousReceived;
    reply->setProperty(DownloadPreviousReceived, received);

    displayProgress();
}