void Source::start() {
NetworkAccessManager* accessManager = manager()->networkAccessManager();
QNetworkRequest request(page()->currentFrame()->url());
reply = accessManager->get(request);
connect(reply, SIGNAL(finished()), this, SLOT(sourceLoaded()));
}
bool SongLoader::LoadRemotePlaylist(const QUrl& url) {
// This function makes a remote request for the given URL and, if its MIME
// type corresponds to a known playlist type, saves the content to a
// temporary file, loads it, and returns true.
// If the URL does not point to a playlist file we could handle,
// it returns false.
NetworkAccessManager manager;
QNetworkRequest req = QNetworkRequest(url);
// Getting headers:
QNetworkReply* const headers_reply = manager.head(req);
WaitForSignal(headers_reply, SIGNAL(finished()));
if (headers_reply->error() != QNetworkReply::NoError) {
qLog(Error) << url.toString() << headers_reply->errorString();
return false;
}
// Now we check if there is a parser that can handle that MIME type.
QString mime_type =
headers_reply->header(QNetworkRequest::ContentTypeHeader).toString();
ParserBase* const parser = playlist_parser_->ParserForMimeType(mime_type);
if (parser == nullptr) {
qLog(Debug) << url.toString() << "seems to not be a playlist";
return false;
}
// We know it is a playlist!
// Getting its contents:
QNetworkReply* const data_reply = manager.get(req);
WaitForSignal(data_reply, SIGNAL(finished()));
if (data_reply->error() != QNetworkReply::NoError) {
qLog(Error) << url.toString() << data_reply->errorString();
return false;
}
// Save them to a temporary file...
QString playlist_filename =
Utilities::SaveToTemporaryFile(data_reply->readAll());
if (playlist_filename.isEmpty()) {
qLog(Error) << url.toString()
<< "could not write contents to temporary file";
return false;
}
qLog(Debug) << url.toString() << "with MIME" << mime_type << "loading from"
<< playlist_filename;
// ...and load it.
LoadPlaylist(parser, playlist_filename);
QFile(playlist_filename).remove();
return true;
}
DownloadItem * DownloadManager::download(const QUrl & from, const QUrl & to)
{
NetworkAccessManager * manager = NetworkAccessManager::networkAccessManager();
DownloadItem * item = new DownloadItem(manager->get(QNetworkRequest(from)), to, this);
beginInsertRows(QModelIndex(), 0, 0);
m_items.prepend(item);
endInsertRows();
emit newItem();
return item;
}
