282 lines
7.8 KiB
C++
282 lines
7.8 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "somafmservice.h"
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#include "somafmurlhandler.h"
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#include "internetmodel.h"
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#include "core/application.h"
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#include "core/closure.h"
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#include "core/logging.h"
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#include "core/network.h"
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#include "core/player.h"
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#include "core/taskmanager.h"
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#include "core/utilities.h"
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#include "globalsearch/globalsearch.h"
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#include "globalsearch/somafmsearchprovider.h"
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#include "ui/iconloader.h"
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#include <QCoreApplication>
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#include <QDesktopServices>
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#include <QMenu>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QXmlStreamReader>
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#include <QtDebug>
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const int SomaFMServiceBase::kStreamsCacheDurationSecs =
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60 * 60 * 24 * 28; // 4 weeks
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bool operator <(const SomaFMServiceBase::Stream& a,
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const SomaFMServiceBase::Stream& b) {
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return a.title_.compare(b.title_, Qt::CaseInsensitive) < 0;
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}
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SomaFMServiceBase::SomaFMServiceBase(
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Application* app,
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InternetModel* parent,
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const QString& name,
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const QUrl& channel_list_url,
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const QUrl& homepage_url,
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const QUrl& donate_page_url,
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const QIcon& icon)
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: InternetService(name, app, parent, parent),
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url_scheme_(name.toLower().remove(' ')),
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url_handler_(new SomaFMUrlHandler(app, this, this)),
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root_(NULL),
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context_menu_(NULL),
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network_(new NetworkAccessManager(this)),
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streams_(name, "streams", kStreamsCacheDurationSecs),
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name_(name),
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channel_list_url_(channel_list_url),
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homepage_url_(homepage_url),
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donate_page_url_(donate_page_url),
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icon_(icon)
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{
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ReloadSettings();
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app_->player()->RegisterUrlHandler(url_handler_);
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app_->global_search()->AddProvider(new SomaFMSearchProvider(this, app_, this));
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}
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SomaFMServiceBase::~SomaFMServiceBase() {
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delete context_menu_;
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}
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QStandardItem* SomaFMServiceBase::CreateRootItem() {
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root_ = new QStandardItem(icon_, name_);
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root_->setData(true, InternetModel::Role_CanLazyLoad);
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return root_;
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}
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void SomaFMServiceBase::LazyPopulate(QStandardItem* item) {
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switch (item->data(InternetModel::Role_Type).toInt()) {
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case InternetModel::Type_Service:
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RefreshStreams();
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break;
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default:
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break;
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}
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}
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void SomaFMServiceBase::ShowContextMenu(const QPoint& global_pos) {
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if (!context_menu_) {
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context_menu_ = new QMenu;
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context_menu_->addActions(GetPlaylistActions());
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context_menu_->addAction(IconLoader::Load("download"), tr("Open %1 in browser").arg(homepage_url_.host()), this, SLOT(Homepage()));
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if (!donate_page_url_.isEmpty()) {
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context_menu_->addAction(IconLoader::Load("download"), tr("Donate"), this, SLOT(Donate()));
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}
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context_menu_->addAction(IconLoader::Load("view-refresh"), tr("Refresh channels"), this, SLOT(ForceRefreshStreams()));
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}
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context_menu_->popup(global_pos);
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}
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void SomaFMServiceBase::ForceRefreshStreams() {
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QNetworkReply* reply = network_->get(QNetworkRequest(channel_list_url_));
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int task_id = app_->task_manager()->StartTask(tr("Getting channels"));
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NewClosure(reply, SIGNAL(finished()),
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this, SLOT(RefreshStreamsFinished(QNetworkReply*,int)),
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reply, task_id);
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}
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void SomaFMServiceBase::RefreshStreamsFinished(QNetworkReply* reply, int task_id) {
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app_->task_manager()->SetTaskFinished(task_id);
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reply->deleteLater();
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if (reply->error() != QNetworkReply::NoError) {
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// TODO: Error handling
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qLog(Error) << reply->errorString();
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return;
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}
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StreamList list;
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QXmlStreamReader reader(reply);
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while (!reader.atEnd()) {
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reader.readNext();
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if (reader.tokenType() == QXmlStreamReader::StartElement &&
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reader.name() == "channel") {
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ReadChannel(reader, &list);
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}
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}
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streams_.Update(list);
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streams_.Sort();
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// Only update the item's children if it's already been populated
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if (!root_->data(InternetModel::Role_CanLazyLoad).toBool())
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PopulateStreams();
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emit StreamsChanged();
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}
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void SomaFMServiceBase::ReadChannel(QXmlStreamReader& reader, StreamList* ret) {
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Stream stream;
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while (!reader.atEnd()) {
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switch (reader.readNext()) {
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case QXmlStreamReader::EndElement:
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if (!stream.url_.isEmpty()) {
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ret->append(stream);
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}
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return;
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case QXmlStreamReader::StartElement:
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if (reader.name() == "title") {
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stream.title_ = reader.readElementText();
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} else if (reader.name() == "dj") {
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stream.dj_ = reader.readElementText();
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} else if (reader.name() == "fastpls" && reader.attributes().value("format") == "mp3") {
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QUrl url(reader.readElementText());
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url.setScheme(url_handler_->scheme());
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stream.url_ = url;
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} else {
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Utilities::ConsumeCurrentElement(&reader);
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}
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break;
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default:
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break;
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}
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}
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}
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Song SomaFMServiceBase::Stream::ToSong(const QString& prefix) const {
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QString song_title = title_.trimmed();
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if (!song_title.startsWith(prefix)) {
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song_title = prefix + " " + song_title;
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}
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Song ret;
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ret.set_valid(true);
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ret.set_title(song_title);
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ret.set_artist(dj_);
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ret.set_url(url_);
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return ret;
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}
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void SomaFMServiceBase::Homepage() {
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QDesktopServices::openUrl(homepage_url_);
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}
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void SomaFMServiceBase::Donate() {
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QDesktopServices::openUrl(donate_page_url_);
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}
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PlaylistItem::Options SomaFMServiceBase::playlistitem_options() const {
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return PlaylistItem::PauseDisabled;
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}
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SomaFMServiceBase::StreamList SomaFMServiceBase::Streams() {
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if (IsStreamListStale()) {
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metaObject()->invokeMethod(this, "ForceRefreshStreams", Qt::QueuedConnection);
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}
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return streams_;
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}
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void SomaFMServiceBase::RefreshStreams() {
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if (IsStreamListStale()) {
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ForceRefreshStreams();
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return;
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}
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PopulateStreams();
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}
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void SomaFMServiceBase::PopulateStreams() {
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if (root_->hasChildren())
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root_->removeRows(0, root_->rowCount());
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foreach (const Stream& stream, streams_) {
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QStandardItem* item = new QStandardItem(QIcon(":last.fm/icon_radio.png"), QString());
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item->setText(stream.title_);
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item->setData(QVariant::fromValue(stream.ToSong(name_)), InternetModel::Role_SongMetadata);
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item->setData(InternetModel::PlayBehaviour_SingleItem, InternetModel::Role_PlayBehaviour);
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root_->appendRow(item);
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}
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}
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QDataStream& operator<<(QDataStream& out, const SomaFMServiceBase::Stream& stream) {
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out << stream.title_
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<< stream.dj_
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<< stream.url_;
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return out;
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}
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QDataStream& operator>>(QDataStream& in, SomaFMServiceBase::Stream& stream) {
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in >> stream.title_
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>> stream.dj_
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>> stream.url_;
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return in;
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}
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void SomaFMServiceBase::ReloadSettings() {
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streams_.Load();
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streams_.Sort();
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}
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SomaFMService::SomaFMService(Application* app, InternetModel* parent)
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: SomaFMServiceBase(
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app,
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parent,
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"SomaFM",
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QUrl("http://somafm.com/channels.xml"),
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QUrl("http://somafm.com"),
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QUrl(),
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QIcon(":providers/somafm.png")) {
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}
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RadioGFMService::RadioGFMService(Application* app, InternetModel* parent)
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: SomaFMServiceBase(
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app,
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parent,
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"Radio GFM",
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QUrl("http://streams.radio-gfm.net/channels.xml"),
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QUrl("http://www.radio-gfm.net"),
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QUrl("http://www.radio-gfm.net/spenden"),
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QIcon(":providers/radiogfm.png")) {
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}
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