245 lines
6.8 KiB
C++
245 lines
6.8 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/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 "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 char* SomaFMService::kServiceName = "SomaFM";
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const char* SomaFMService::kSettingsGroup = "SomaFM";
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const char* SomaFMService::kChannelListUrl = "http://somafm.com/channels.xml";
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const char* SomaFMService::kHomepage = "http://somafm.com";
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const int SomaFMService::kStreamsCacheDurationSecs =
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60 * 60 * 24 * 28; // 4 weeks
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SomaFMService::SomaFMService(InternetModel* parent)
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: InternetService(kServiceName, parent, parent),
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url_handler_(new SomaFMUrlHandler(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_(kSettingsGroup, "streams", kStreamsCacheDurationSecs)
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{
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ReloadSettings();
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model()->player()->RegisterUrlHandler(url_handler_);
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model()->global_search()->AddProvider(new SomaFMSearchProvider(this, this));
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}
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SomaFMService::~SomaFMService() {
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delete context_menu_;
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}
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QStandardItem* SomaFMService::CreateRootItem() {
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root_ = new QStandardItem(QIcon(":/providers/somafm.png"), kServiceName);
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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 SomaFMService::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 SomaFMService::ShowContextMenu(const QModelIndex& index, 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("somafm.com"), this, SLOT(Homepage()));
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context_menu_->addAction(IconLoader::Load("view-refresh"), tr("Refresh channels"), this, SLOT(RefreshStreams()));
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}
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context_item_ = model()->itemFromIndex(index);
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context_menu_->popup(global_pos);
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}
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void SomaFMService::ForceRefreshStreams() {
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QNetworkReply* reply = network_->get(QNetworkRequest(QUrl(kChannelListUrl)));
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int task_id = model()->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 SomaFMService::RefreshStreamsFinished(QNetworkReply* reply, int task_id) {
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model()->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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// Only update the item's children if it's already been expanded
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if (root_->hasChildren())
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PopulateStreams();
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emit StreamsChanged();
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}
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void SomaFMService::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("somafm");
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stream.url_ = url;
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} else {
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ConsumeElement(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 SomaFMService::Stream::ToSong() const {
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Song ret;
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ret.set_valid(true);
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ret.set_title("SomaFM " + 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 SomaFMService::ConsumeElement(QXmlStreamReader& reader) {
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int level = 1;
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while (!reader.atEnd()) {
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switch (reader.readNext()) {
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case QXmlStreamReader::StartElement: level++; break;
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case QXmlStreamReader::EndElement: level--; break;
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default: break;
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}
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if (level == 0)
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return;
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}
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}
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void SomaFMService::Homepage() {
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QDesktopServices::openUrl(QUrl(kHomepage));
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}
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QModelIndex SomaFMService::GetCurrentIndex() {
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return context_item_->index();
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}
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PlaylistItem::Options SomaFMService::playlistitem_options() const {
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return PlaylistItem::PauseDisabled;
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}
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SomaFMService::StreamList SomaFMService::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 SomaFMService::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 SomaFMService::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()), 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 SomaFMService::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, SomaFMService::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 SomaFMService::ReloadSettings() {
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streams_.Load();
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}
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