1 /* AbstractStreamHandler.cpp */
2 
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "AbstractStationHandler.h"
22 
23 #include "Interfaces/PlaylistInterface.h"
24 #include "Components/Playlist/Playlist.h"
25 
26 #include "Utils/Parser/StreamParser.h"
27 #include "Utils/MetaData/MetaDataList.h"
28 #include "Utils/Logger/Logger.h"
29 #include "Utils/Settings/Settings.h"
30 
31 struct AbstractStationHandler::Private
32 {
33 	PlaylistCreator* playlistCreator;
34 	StreamParser* streamParser = nullptr;
35 	StationPtr parsedStation;
36 
PrivateAbstractStationHandler::Private37 	Private(PlaylistCreator* playlistCreator) :
38 		playlistCreator(playlistCreator)
39 	{}
40 };
41 
AbstractStationHandler(PlaylistCreator * playlistCreator,QObject * parent)42 AbstractStationHandler::AbstractStationHandler(PlaylistCreator* playlistCreator, QObject* parent) :
43 	QObject(parent)
44 {
45 	m = Pimpl::make<Private>(playlistCreator);
46 }
47 
48 AbstractStationHandler::~AbstractStationHandler() = default;
49 
createPlaylist(StationPtr station,MetaDataList & tracks)50 void AbstractStationHandler::createPlaylist(StationPtr station, MetaDataList& tracks)
51 {
52 	QString playlistName;
53 
54 	if(GetSetting(Set::Stream_NewTab))
55 	{
56 		playlistName = station->name();
57 	}
58 
59 	const auto index = m->playlistCreator->createPlaylist(tracks, playlistName);
60 	auto playlist = m->playlistCreator->playlist(index);
61 
62 	playlist->changeTrack(0);
63 }
64 
parseStation(StationPtr station)65 bool AbstractStationHandler::parseStation(StationPtr station)
66 {
67 	if(m->streamParser)
68 	{
69 		return false;
70 	}
71 
72 	m->parsedStation = station;
73 
74 	m->streamParser = new StreamParser(this);
75 
76 	connect(m->streamParser, &StreamParser::sigFinished, this, &AbstractStationHandler::parserFinished);
77 	connect(m->streamParser, &StreamParser::sigUrlCountExceeded, this, &AbstractStationHandler::sigUrlCountExceeded);
78 	connect(m->streamParser, &StreamParser::sigStopped, this, &AbstractStationHandler::parserStopped);
79 
80 	m->streamParser->parse(station->name(), station->url());
81 
82 	return true;
83 }
84 
parserFinished(bool success)85 void AbstractStationHandler::parserFinished(bool success)
86 {
87 	if(!success)
88 	{
89 		emit sigError();
90 		spLog(Log::Warning, this) << "Stream parser finished with error";
91 	}
92 
93 	else
94 	{
95 		MetaDataList tracks = m->streamParser->tracks();
96 
97 		if(!tracks.isEmpty())
98 		{
99 			createPlaylist(m->parsedStation, tracks);
100 		}
101 
102 		emit sigDataAvailable();
103 	}
104 
105 	sender()->deleteLater(); // m->stream_parser may be nullptr here
106 	m->streamParser = nullptr;
107 }
108 
stop()109 void AbstractStationHandler::stop()
110 {
111 	if(m->streamParser && !m->streamParser->isStopped())
112 	{
113 		m->streamParser->stop();
114 	}
115 
116 	m->streamParser = nullptr;
117 	emit sigStopped();
118 }
119 
parserStopped()120 void AbstractStationHandler::parserStopped()
121 {
122 	sender()->deleteLater(); // m->stream_parser may be nullptr here
123 	m->streamParser = nullptr;
124 
125 	emit sigStopped();
126 }
127 
save(StationPtr station)128 bool AbstractStationHandler::save(StationPtr station)
129 {
130 	return addNewStream(station);
131 }
132