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Clementine-audio-player-Mac.../src/internet/somafmservice.cpp

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/* 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 "somafmservice.h"
#include "somafmurlhandler.h"
#include "internetmodel.h"
#include "core/application.h"
#include "core/closure.h"
#include "core/logging.h"
#include "core/network.h"
#include "core/player.h"
#include "core/taskmanager.h"
#include "core/utilities.h"
#include "globalsearch/globalsearch.h"
#include "globalsearch/somafmsearchprovider.h"
#include "ui/iconloader.h"
#include <QCoreApplication>
#include <QDesktopServices>
#include <QMenu>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QXmlStreamReader>
#include <QtDebug>
const int SomaFMServiceBase::kStreamsCacheDurationSecs =
60 * 60 * 24 * 28; // 4 weeks
bool operator<(const SomaFMServiceBase::Stream& a,
const SomaFMServiceBase::Stream& b) {
return a.title_.compare(b.title_, Qt::CaseInsensitive) < 0;
}
SomaFMServiceBase::SomaFMServiceBase(Application* app, InternetModel* parent,
const QString& name,
const QUrl& channel_list_url,
const QUrl& homepage_url,
const QUrl& donate_page_url,
const QIcon& icon)
: InternetService(name, app, parent, parent),
url_scheme_(name.toLower().remove(' ')),
url_handler_(new SomaFMUrlHandler(app, this, this)),
root_(nullptr),
context_menu_(nullptr),
network_(new NetworkAccessManager(this)),
streams_(name, "streams", kStreamsCacheDurationSecs),
name_(name),
channel_list_url_(channel_list_url),
homepage_url_(homepage_url),
donate_page_url_(donate_page_url),
icon_(icon) {
ReloadSettings();
app_->player()->RegisterUrlHandler(url_handler_);
app_->global_search()->AddProvider(
new SomaFMSearchProvider(this, app_, this));
}
SomaFMServiceBase::~SomaFMServiceBase() { delete context_menu_; }
QStandardItem* SomaFMServiceBase::CreateRootItem() {
root_ = new QStandardItem(icon_, name_);
root_->setData(true, InternetModel::Role_CanLazyLoad);
return root_;
}
void SomaFMServiceBase::LazyPopulate(QStandardItem* item) {
switch (item->data(InternetModel::Role_Type).toInt()) {
case InternetModel::Type_Service:
RefreshStreams();
break;
default:
break;
}
}
void SomaFMServiceBase::ShowContextMenu(const QPoint& global_pos) {
if (!context_menu_) {
context_menu_ = new QMenu;
context_menu_->addActions(GetPlaylistActions());
context_menu_->addAction(IconLoader::Load("download"),
tr("Open %1 in browser").arg(homepage_url_.host()),
this, SLOT(Homepage()));
if (!donate_page_url_.isEmpty()) {
context_menu_->addAction(IconLoader::Load("download"), tr("Donate"), this,
SLOT(Donate()));
}
context_menu_->addAction(IconLoader::Load("view-refresh"),
tr("Refresh channels"), this,
SLOT(ForceRefreshStreams()));
}
context_menu_->popup(global_pos);
}
void SomaFMServiceBase::ForceRefreshStreams() {
QNetworkReply* reply = network_->get(QNetworkRequest(channel_list_url_));
int task_id = app_->task_manager()->StartTask(tr("Getting channels"));
NewClosure(reply, SIGNAL(finished()), this,
SLOT(RefreshStreamsFinished(QNetworkReply*, int)), reply, task_id);
}
void SomaFMServiceBase::RefreshStreamsFinished(QNetworkReply* reply,
int task_id) {
app_->task_manager()->SetTaskFinished(task_id);
reply->deleteLater();
if (reply->error() != QNetworkReply::NoError) {
// TODO: Error handling
qLog(Error) << reply->errorString();
return;
}
StreamList list;
QXmlStreamReader reader(reply);
while (!reader.atEnd()) {
reader.readNext();
if (reader.tokenType() == QXmlStreamReader::StartElement &&
reader.name() == "channel") {
ReadChannel(reader, &list);
}
}
streams_.Update(list);
streams_.Sort();
// Only update the item's children if it's already been populated
if (!root_->data(InternetModel::Role_CanLazyLoad).toBool()) PopulateStreams();
emit StreamsChanged();
}
void SomaFMServiceBase::ReadChannel(QXmlStreamReader& reader, StreamList* ret) {
Stream stream;
while (!reader.atEnd()) {
switch (reader.readNext()) {
case QXmlStreamReader::EndElement:
if (!stream.url_.isEmpty()) {
ret->append(stream);
}
return;
case QXmlStreamReader::StartElement:
if (reader.name() == "title") {
stream.title_ = reader.readElementText();
} else if (reader.name() == "dj") {
stream.dj_ = reader.readElementText();
} else if (reader.name() == "fastpls" &&
reader.attributes().value("format") == "mp3") {
QUrl url(reader.readElementText());
url.setScheme(url_handler_->scheme());
stream.url_ = url;
} else {
Utilities::ConsumeCurrentElement(&reader);
}
break;
default:
break;
}
}
}
Song SomaFMServiceBase::Stream::ToSong(const QString& prefix) const {
QString song_title = title_.trimmed();
if (!song_title.startsWith(prefix)) {
song_title = prefix + " " + song_title;
}
Song ret;
ret.set_valid(true);
ret.set_title(song_title);
ret.set_artist(dj_);
ret.set_url(url_);
return ret;
}
void SomaFMServiceBase::Homepage() { QDesktopServices::openUrl(homepage_url_); }
void SomaFMServiceBase::Donate() {
QDesktopServices::openUrl(donate_page_url_);
}
PlaylistItem::Options SomaFMServiceBase::playlistitem_options() const {
return PlaylistItem::PauseDisabled;
}
SomaFMServiceBase::StreamList SomaFMServiceBase::Streams() {
if (IsStreamListStale()) {
metaObject()->invokeMethod(this, "ForceRefreshStreams",
Qt::QueuedConnection);
}
return streams_;
}
void SomaFMServiceBase::RefreshStreams() {
if (IsStreamListStale()) {
ForceRefreshStreams();
return;
}
PopulateStreams();
}
void SomaFMServiceBase::PopulateStreams() {
if (root_->hasChildren()) root_->removeRows(0, root_->rowCount());
for (const Stream& stream : streams_) {
QStandardItem* item =
new QStandardItem(QIcon(":last.fm/icon_radio.png"), QString());
item->setText(stream.title_);
item->setData(QVariant::fromValue(stream.ToSong(name_)),
InternetModel::Role_SongMetadata);
item->setData(InternetModel::PlayBehaviour_SingleItem,
InternetModel::Role_PlayBehaviour);
root_->appendRow(item);
}
}
QDataStream& operator<<(QDataStream& out,
const SomaFMServiceBase::Stream& stream) {
out << stream.title_ << stream.dj_ << stream.url_;
return out;
}
QDataStream& operator>>(QDataStream& in, SomaFMServiceBase::Stream& stream) {
in >> stream.title_ >> stream.dj_ >> stream.url_;
return in;
}
void SomaFMServiceBase::ReloadSettings() {
streams_.Load();
streams_.Sort();
}
SomaFMService::SomaFMService(Application* app, InternetModel* parent)
: SomaFMServiceBase(
app, parent, "SomaFM", QUrl("http://somafm.com/channels.xml"),
QUrl("http://somafm.com"), QUrl(), QIcon(":providers/somafm.png")) {}
RadioGFMService::RadioGFMService(Application* app, InternetModel* parent)
: SomaFMServiceBase(app, parent, "Radio GFM",
QUrl("http://streams.radio-gfm.net/channels.xml"),
QUrl("http://www.radio-gfm.net"),
QUrl("http://www.radio-gfm.net/spenden"),
QIcon(":providers/radiogfm.png")) {}
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