Clementine-audio-player-Mac.../src/musicbrainz/musicdnsclient.cpp

109 lines
3.2 KiB
C++

/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "musicdnsclient.h"
#include "core/network.h"
#include <QCoreApplication>
#include <QNetworkReply>
#include <QXmlStreamReader>
#include <QtDebug>
const char* MusicDnsClient::kClientId = "c44f70e49000dd7c0d1388bff2bf4152";
const char* MusicDnsClient::kUrl = "http://ofa.musicdns.org/ofa/1/track";
const int MusicDnsClient::kDefaultTimeout = 5000; // msec
MusicDnsClient::MusicDnsClient(QObject* parent)
: QObject(parent),
network_(new NetworkAccessManager(this)),
timeouts_(new NetworkTimeouts(kDefaultTimeout, this))
{
}
void MusicDnsClient::SetTimeout(int msec) {
timeouts_->SetTimeout(msec);
}
void MusicDnsClient::Start(int id, const QString& fingerprint, int duration_msec) {
typedef QPair<QString, QString> Param;
QList<Param> parameters;
parameters << Param("alb", "unknown")
<< Param("art", "unknown")
<< Param("brt", "0")
<< Param("cid", kClientId)
<< Param("cvr", QString("%1 %2").arg(QCoreApplication::applicationName(),
QCoreApplication::applicationVersion()))
<< Param("dur", QString::number(duration_msec))
<< Param("fmt", "unknown")
<< Param("fpt", fingerprint)
<< Param("gnr", "unknown")
<< Param("rmd", "1")
<< Param("tnm", "0")
<< Param("ttl", "unknown")
<< Param("yrr", "0");
QUrl url(kUrl);
url.setQueryItems(parameters);
QNetworkRequest req(url);
QNetworkReply* reply = network_->get(req);
connect(reply, SIGNAL(finished()), SLOT(RequestFinished()));
requests_[reply] = id;
timeouts_->AddReply(reply);
}
void MusicDnsClient::Cancel(int id) {
QNetworkReply* reply = requests_.key(id);
requests_.remove(reply);
delete reply;
}
void MusicDnsClient::CancelAll() {
qDeleteAll(requests_.keys());
requests_.clear();
}
void MusicDnsClient::RequestFinished() {
QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
if (!reply)
return;
reply->deleteLater();
if (!requests_.contains(reply))
return;
int id = requests_.take(reply);
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
emit Finished(id, QString());
return;
}
QXmlStreamReader reader(reply);
while (!reader.atEnd()) {
if (reader.readNext() == QXmlStreamReader::StartElement && reader.name() == "puid") {
QString puid = reader.attributes().value("id").toString();
emit Finished(id, puid);
return;
}
}
emit Finished(id, QString());
}