Clementine-audio-player-Mac.../src/songinfo/lastfmtrackinfoprovider.cpp

146 lines
4.5 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 "lastfmtrackinfoprovider.h"
#include "songinfotextview.h"
#include "songplaystats.h"
#include "tagwidget.h"
#include "internet/lastfmcompat.h"
#include "ui/iconloader.h"
void LastfmTrackInfoProvider::FetchInfo(int id, const Song& metadata) {
QMap<QString, QString> params;
params["method"] = "track.getInfo";
params["track"] = metadata.title();
params["artist"] = metadata.artist();
if (!lastfm::ws::Username.isEmpty())
params["username"] = lastfm::ws::Username;
QNetworkReply* reply = lastfm::ws::get(params);
connect(reply, SIGNAL(finished()), SLOT(RequestFinished()));
requests_[reply] = id;
}
void LastfmTrackInfoProvider::RequestFinished() {
QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
if (!reply || !requests_.contains(reply))
return;
const int id = requests_.take(reply);
if (reply->error() != QNetworkReply::NoError) {
emit Finished(id);
return;
}
lastfm::XmlQuery query(lastfm::compat::EmptyXmlQuery());
if (lastfm::compat::ParseQuery(reply->readAll(), &query)) {
GetPlayCounts(id, query);
GetWiki(id, query);
GetTags(id, query);
}
emit Finished(id);
}
void LastfmTrackInfoProvider::GetPlayCounts(int id, const lastfm::XmlQuery& q) {
// Parse the response
const int listeners = q["track"]["listeners"].text().toInt();
const int playcount = q["track"]["playcount"].text().toInt();
int myplaycount = -1;
bool love = false;
if (!q["track"].children("userplaycount").isEmpty()) {
myplaycount = q["track"]["userplaycount"].text().toInt();
love = q["track"]["userloved"].text() == "1";
}
if (!listeners && !playcount && myplaycount == -1)
return; // No useful data
CollapsibleInfoPane::Data data;
data.id_ = "lastfm/playcounts";
data.title_ = tr("Last.fm play counts");
data.type_ = CollapsibleInfoPane::Data::Type_PlayCounts;
data.icon_ = QIcon(":/last.fm/as.png");
SongPlayStats* widget = new SongPlayStats;
data.contents_ = widget;
if (myplaycount != -1) {
if (love)
widget->AddItem(QIcon(":/last.fm/love.png"), tr("You love this track"));
widget->AddItem(QIcon(":/last.fm/icon_user.png"), tr("Your scrobbles: %1").arg(myplaycount));
}
if (playcount)
widget->AddItem(IconLoader::Load("media-playback-start"), tr("%L1 total plays").arg(playcount));
if (listeners)
widget->AddItem(QIcon(":/last.fm/my_neighbours.png"), tr("%L1 other listeners").arg(listeners));
emit InfoReady(id, data);
}
void LastfmTrackInfoProvider::GetWiki(int id, const lastfm::XmlQuery& q) {
// Parse the response
if (q["track"].children("wiki").isEmpty())
return; // No wiki element
const QString content = q["track"]["wiki"]["content"].text();
if (content.isEmpty())
return; // No useful data
CollapsibleInfoPane::Data data;
data.id_ = "lastfm/songwiki";
data.title_ = tr("Last.fm wiki");
data.type_ = CollapsibleInfoPane::Data::Type_Biography;
data.icon_ = QIcon(":/last.fm/as.png");
SongInfoTextView* widget = new SongInfoTextView;
data.contents_ = widget;
widget->SetHtml(content);
emit InfoReady(id, data);
}
void LastfmTrackInfoProvider::GetTags(int id, const lastfm::XmlQuery& q) {
// Parse the response
if (q["track"].children("toptags").isEmpty() ||
q["track"]["toptags"].children("tag").isEmpty())
return; // No tag elements
CollapsibleInfoPane::Data data;
data.id_ = "lastfm/songtags";
data.title_ = tr("Last.fm tags");
data.type_ = CollapsibleInfoPane::Data::Type_Biography;
data.icon_ = QIcon(":/last.fm/icon_tag.png");
TagWidget* widget = new TagWidget(TagWidget::Type_Tags);
data.contents_ = widget;
widget->SetIcon(data.icon_);
foreach (const lastfm::XmlQuery& e, q["track"]["toptags"].children("tag")) {
widget->AddTag(e["name"].text());
}
emit InfoReady(id, data);
}