[UI] Added a playqueue on mobile version, minor visual changes on desktop version

README.md

@@ -46,7 +46,7 @@ This command requires root privileges
 ## Running
 Here is a command line example to run on port 5081:
 ```sh
-$ /usr/bin/lms --docroot='/usr/share/lms/docroot/;/resources,/css,/images' --approot=/usr/share/lms/approot --http-address 0.0.0.0 --http-port 5081
+$ /usr/bin/lms --docroot='/usr/share/lms/docroot/;/resources,/css,/images,/favicon.ico' --approot=/usr/share/lms/approot --http-address 0.0.0.0 --http-port 5081
 ```
 It is highly recommended to run LMS as a non root user.
 The exectuable needs write accesses to the /var/lms/ directory.
@@ -75,7 +75,7 @@ $ openssl req -x509 -out cert.pem -keyout privkey.pem -newkey rsa:4096
 ```
 Run (on port 5081):
 ```sh
-$ /usr/bin/lms --docroot='/usr/share/lms/docroot/;/resources,/css,/images' --approot=/usr/share/lms/approot --https-address 0.0.0.0 --https-port 5081 --ssl-certificate cert.pem --ssl-private-key privkey.pem --ssl-tmp-dh dh2048.pem
+$ /usr/bin/lms --docroot='/usr/share/lms/docroot/;/resources,/css,/images,/favicon.ico' --approot=/usr/share/lms/approot --https-address 0.0.0.0 --https-port 5081 --ssl-certificate cert.pem --ssl-private-key privkey.pem --ssl-tmp-dh dh2048.pem
 ```
 Depending on your SSL parameters, you may be asked for the PEM passphrase to unlock the private key.
 

approot/templates.xml

@@ -356,15 +356,6 @@
 	</div>
 </message>
 
-<message id="mediaplayer-controls">
-	<div class="btn-group" role="group" aria-label="...">
-		${prev}
-		${play}
-		${pause}
-		${next}
-	</div>
-</message>
-
 <message id="mobile-search-title">
 	<div class="row">
 		<div class="col-xs-12">
@@ -426,7 +417,7 @@
 </message>
 
 <!--
-     wa-track_search
+     wa-track-search
       -> wa-track-search-res
       -> wa-track-search-res
       -> ...
@@ -445,7 +436,7 @@
 			<div class="vertical-align">
 				<div class="col-xs-2" style="margin-top:3px">${cover}</div>
 				<div class="col-xs-8">${artist-name}<br/>${track-name}</div>
-				<div class="col-xs-2" style="margin-top:3px"><span class="badge">${btn}</span></div>
+				<div class="col-xs-2">${play-btn}${add-btn}</div>
 			</div>
 		</div>
 	</div>
@@ -490,13 +481,36 @@
 </message>
 
 <message id="wa-trackview-track">
-	<div class="menu-item list-group-item ">${<if-has-disc-num>}${disc-num}-${</if-has-disc-num>}${<if-has-track-num>}${track-num}. ${</if-has-track-num>}${track-name} <span class="badge">${play-btn}</span></div>
+	<div class="menu-item list-group-item ">${<if-has-disc-num>}${disc-num}-${</if-has-disc-num>}${<if-has-track-num>}${track-num}. ${</if-has-track-num>}${track-name} ${play-btn}${add-btn}</div>
+</message>
+
+<!-- Playqueue view
+     !-->
+<message id="wa-playqueue-view">
+	${controls}
+	<div class="menu-category list-group">
+		${contents}
+	</div>
+</message>
+
+<message id="wa-playqueue-controls">
+	${load}${save}${clear}${shuffle}${repeat}
+</message>
+
+<message id="wa-playqueue-track">
+	<div class="row">
+		<div class="vertical-align">
+			<div class="col-xs-2" style="margin-top:3px">${cover}</div>
+			<div class="col-xs-8">${artist-name}<br/>${track-name}</div>
+			<div class="col-xs-2" style="margin-top:3px">${play-btn}${del-btn}</div>
+		</div>
+	</div>
 </message>
 
 <message id="wa-audio-player">
 	${audio}
 	${prev}${play-pause}${next}
-	<div class="mediaplayer-volume-container visible-lg">
+	<div class="mediaplayer-volume-container hidden-xs">
 		${volume}
 	</div>
 	<div class="mediaplayer-cover hidden-xs">
@@ -510,7 +524,7 @@
 			${curtime}${seekbar}${duration}
 		</div>
 	</div>
-	${shuffle}${repeat}
+	${<if-has-shuffle>}${shuffle}${</if-has-shuffle>}${<if-has-repeat>}${repeat}${</if-has-repeat>}${<if-has-playqueue>}${playqueue}${</if-has-playqueue>}
 </message>
 
 </messages>

docroot/css/lms.css

@@ -129,6 +129,19 @@
 	writing-mode: bt-lr;
 }
 
+.mobile-btn {
+	margin: 8px;
+}
+
+.mobile-btn-active {
+	color: #428bca;
+}
+
+.mobile-btn i {
+	cursor: pointer;
+	text-shadow: 0px 2px 3px rgba(0, 0, 0, 0.4);
+}
+
 .mobile-search-title {
 	font-weight: bold;
 	height: 32px;
@@ -198,3 +211,13 @@
     max-width: 100%;
     height: auto;
 }
+
+.release-search-cover {
+	width: 512px;
+	min-width: 512px;
+	height: 512px;
+	min-height: 512px;
+	display: flex;
+	justify-content: space-between;
+	align-items: center;
+}

src/Makefile.am

@@ -35,6 +35,7 @@ lms_SOURCES = \
 	$(srcdir)/ui/audio/mobile/ArtistSearchView.cpp		\
 	$(srcdir)/ui/audio/mobile/ArtistView.cpp		\
 	$(srcdir)/ui/audio/mobile/MobileAudio.cpp		\
+	$(srcdir)/ui/audio/mobile/MobilePlayQueue.cpp		\
 	$(srcdir)/ui/audio/mobile/PreviewSearchView.cpp		\
 	$(srcdir)/ui/audio/mobile/ReleaseSearch.cpp		\
 	$(srcdir)/ui/audio/mobile/ReleaseSearchView.cpp		\

src/ui/audio/AudioPlayer.cpp

@@ -42,7 +42,6 @@ AudioPlayer::getBestEncoding() const
 	return Av::Encoding::MP3;
 }
 
-
 bool
 AudioPlayer::loadTrack(Database::Track::id_type trackId)
 {
@@ -121,7 +120,7 @@ AudioPlayer::loadTrack(Database::Track::id_type trackId)
 	return true;
 }
 
-AudioPlayer::AudioPlayer(Wt::WContainerWidget *parent)
+AudioPlayer::AudioPlayer(ControlFlags controls, Wt::WContainerWidget *parent)
 : Wt::WTemplate(parent)
 {
 	setTemplateText(Wt::WString::tr("wa-audio-player"));
@@ -154,42 +153,71 @@ AudioPlayer::AudioPlayer(Wt::WContainerWidget *parent)
 	volumeSlider->setAttributeValue("orient", "vertical"); // firefox
 	bindWidget("volume", volumeSlider);
 
-	Wt::WText *repeatBtn = new Wt::WText("<i class=\"fa fa-repeat fa-2x\"></i>", Wt::XHTMLText);
+	if (controls & ControlRepeat)
-	repeatBtn->addStyleClass("mediaplayer-btn");
-	bindWidget("repeat", repeatBtn);
-	repeatBtn->clicked().connect(std::bind([=] ()
 	{
-		if (repeatBtn->hasStyleClass("mediaplayer-btn-active"))
+		setCondition("if-has-repeat", true);
+		Wt::WText *repeatBtn = new Wt::WText("<i class=\"fa fa-repeat fa-2x\"></i>", Wt::XHTMLText);
+		repeatBtn->addStyleClass("mediaplayer-btn hidden-xs");
+		bindWidget("repeat", repeatBtn);
+		repeatBtn->clicked().connect(std::bind([=] ()
 		{
-			repeatBtn->removeStyleClass("mediaplayer-btn-active");
+			if (repeatBtn->hasStyleClass("mediaplayer-btn-active"))
-			_loop.emit(false);
+			{
-		}
+				repeatBtn->removeStyleClass("mediaplayer-btn-active");
-		else
+				_loop.emit(false);
-		{
+			}
-			repeatBtn->addStyleClass("mediaplayer-btn-active");
+			else
-			_loop.emit(true);
+			{
-		}
+				repeatBtn->addStyleClass("mediaplayer-btn-active");
-	}));
+				_loop.emit(true);
+			}
+		}));
+	}
 
-	Wt::WText *shuffleBtn = new Wt::WText("<i class=\"fa fa-random fa-2x\"></i>", Wt::XHTMLText);
+	if (controls & ControlPlayqueue)
-	shuffleBtn->addStyleClass("mediaplayer-btn");
-	bindWidget("shuffle", shuffleBtn);
-	shuffleBtn->clicked().connect(std::bind([=] ()
 	{
-		if (shuffleBtn->hasStyleClass("mediaplayer-btn-active"))
+		setCondition("if-has-playqueue", true);
+		Wt::WText *playQueueBtn = new Wt::WText("<i class=\"fa fa-list-ul fa-2x\"></i>", Wt::XHTMLText);
+		bindWidget("playqueue", playQueueBtn);
+		playQueueBtn->addStyleClass("mediaplayer-btn");
+		playQueueBtn->clicked().connect(std::bind([=] ()
 		{
-			shuffleBtn->removeStyleClass("mediaplayer-btn-active");
+			if (playQueueBtn->hasStyleClass("mediaplayer-btn-active"))
-			_shuffle.emit(false);
+			{
-		}
+				playQueueBtn->removeStyleClass("mediaplayer-btn-active");
-		else
+				_playQueue.emit(false);
+			}
+			else
+			{
+				playQueueBtn->addStyleClass("mediaplayer-btn-active");
+				_playQueue.emit(true);
+			}
+		}));
+	}
+
+	if (controls & ControlShuffle)
+	{
+		setCondition("if-has-shuffle", true);
+		Wt::WText *shuffleBtn = new Wt::WText("<i class=\"fa fa-random fa-2x\"></i>", Wt::XHTMLText);
+		shuffleBtn->addStyleClass("mediaplayer-btn hidden-xs");
+		bindWidget("shuffle", shuffleBtn);
+		shuffleBtn->clicked().connect(std::bind([=] ()
 		{
-			shuffleBtn->addStyleClass("mediaplayer-btn-active");
+			if (shuffleBtn->hasStyleClass("mediaplayer-btn-active"))
-			_shuffle.emit(true);
+			{
-		}
+				shuffleBtn->removeStyleClass("mediaplayer-btn-active");
-	}));
+				_shuffle.emit(false);
+			}
+			else
+			{
+				shuffleBtn->addStyleClass("mediaplayer-btn-active");
+				_shuffle.emit(true);
+			}
+		}));
+	}
 
 	Wt::WText *prevBtn = new Wt::WText("<i class=\"fa fa-step-backward fa-2x\"></i>", Wt::XHTMLText);
-	prevBtn->addStyleClass("mediaplayer-btn hidden-xs");
+	prevBtn->addStyleClass("mediaplayer-btn");
 	bindWidget("prev", prevBtn);
 	prevBtn->clicked().connect(std::bind([=] ()
 	{

src/ui/audio/AudioPlayer.hpp

@@ -32,7 +32,15 @@ class AudioPlayer : public Wt::WTemplate
 {
 	public:
 
-		AudioPlayer(Wt::WContainerWidget *parent = 0);
+		enum ControlFlags
+		{
+			ControlNone		= 0,
+			ControlShuffle		= 1 << 0,
+			ControlRepeat		= 1 << 1,
+			ControlPlayqueue	= 1 << 2,
+		};
+
+		AudioPlayer(ControlFlags controls, Wt::WContainerWidget *parent = 0);
 
 		Av::Encoding getBestEncoding() const;
 		bool loadTrack(Database::Track::id_type trackId);
@@ -43,6 +51,7 @@ class AudioPlayer : public Wt::WTemplate
 		Wt::Signal<void>&	playPrevious()	{return _playPrevious;}
 		Wt::Signal<bool>&	shuffle()	{return _shuffle;}
 		Wt::Signal<bool>&	loop()		{return _loop;}
+		Wt::Signal<bool>&	showPlayQueue()	{return _playQueue;}
 
 	private:
 
@@ -52,6 +61,7 @@ class AudioPlayer : public Wt::WTemplate
 		Wt::Signal<void>	_playPrevious;
 		Wt::Signal<bool>	_shuffle;
 		Wt::Signal<bool>	_loop;
+		Wt::Signal<bool>	_playQueue;
 
 		Wt::WAudio*	_audio;
 		Wt::WText*	_trackCurTime;
@@ -60,4 +70,7 @@ class AudioPlayer : public Wt::WTemplate
 		Wt::WImage*	_cover;
 };
 
+constexpr AudioPlayer::ControlFlags operator|(AudioPlayer::ControlFlags f1, AudioPlayer::ControlFlags f2) { return AudioPlayer::ControlFlags(int(f1)|int(f2)); }
+
+
 } // namespace UserInterface

src/ui/audio/desktop/DesktopAudio.cpp

@@ -149,16 +149,16 @@ _playQueue(nullptr)
 		playlistBtn->setMenu(popupMain);
 	}
 
-	Wt::WPushButton *upBtn = new Wt::WPushButton("UP");
+	Wt::WPushButton *upBtn = new Wt::WPushButton("<i class =\"fa fa-arrow-up fa-lg\"></i>", Wt::XHTMLText);
 	upBtn->setStyleClass("btn-sm");
 	playlistControls->addWidget(upBtn);
-	Wt::WPushButton *downBtn = new Wt::WPushButton("DO");
+	Wt::WPushButton *downBtn = new Wt::WPushButton("<i class =\"fa fa-arrow-down fa-lg\"></i>", Wt::XHTMLText);
 	downBtn->setStyleClass("btn-sm");
 	playlistControls->addWidget(downBtn);
-	Wt::WPushButton *delBtn = new Wt::WPushButton("DEL");
+	Wt::WPushButton *delBtn = new Wt::WPushButton("<i class =\"fa fa-remove fa-lg\"></i>", Wt::XHTMLText);
 	delBtn->setStyleClass("btn-sm btn-warning");
 	playlistControls->addWidget(delBtn);
-	Wt::WPushButton *clearBtn = new Wt::WPushButton("CLR");
+	Wt::WPushButton *clearBtn = new Wt::WPushButton("<i class =\"fa fa-trash fa-lg\"></i>", Wt::XHTMLText);
 	clearBtn->setStyleClass("btn-sm btn-danger");
 	playlistControls->addWidget(clearBtn);
 
@@ -180,7 +180,7 @@ _playQueue(nullptr)
 		_playQueue->select(CurrentUser()->getCurPlayingTrackPos());
 	}
 
-	_mediaPlayer = new AudioPlayer();
+	_mediaPlayer = new AudioPlayer(AudioPlayer::ControlShuffle | AudioPlayer::ControlRepeat);
 	mainLayout->addWidget(_mediaPlayer, 2, 0, 1, 4);
 
 	mainLayout->setRowStretch(1, 1);

src/ui/audio/desktop/TableFilter.cpp

@@ -55,7 +55,7 @@ TableFilterGenre::TableFilterGenre(Wt::WContainerWidget* parent)
 
 	this->setLayoutSizeAware(true);
 
-	_queryModel.setBatchSize(100);
+	_queryModel.setBatchSize(150);
 
 	// If an item is double clicked, select and emit signal
 	this->doubleClicked().connect( std::bind([=] (Wt::WModelIndex idx, Wt::WMouseEvent evt)
@@ -134,7 +134,7 @@ TableFilterArtist::TableFilterArtist(Wt::WContainerWidget* parent)
 
 	this->setLayoutSizeAware(true);
 
-	_queryModel.setBatchSize(100);
+	_queryModel.setBatchSize(150);
 
 	// If an item is double clicked, select and emit signal
 	this->doubleClicked().connect( std::bind([=] (Wt::WModelIndex idx, Wt::WMouseEvent evt)
@@ -218,7 +218,7 @@ TableFilterRelease::TableFilterRelease(Wt::WContainerWidget* parent)
 
 	this->setLayoutSizeAware(true);
 
-	_queryModel.setBatchSize(100);
+	_queryModel.setBatchSize(150);
 
 	// If an item is double clicked, select and emit signal
 	this->doubleClicked().connect( std::bind([=] (Wt::WModelIndex idx, Wt::WMouseEvent evt)

src/ui/audio/desktop/TrackView.cpp

@@ -70,7 +70,7 @@ TrackView::TrackView(Wt::WContainerWidget* parent)
 
 	Track::updateUIQueryModel(DboSession(), _queryModel, filter, columnNames);
 
-	_queryModel.setBatchSize(300);
+	_queryModel.setBatchSize(500);
 
 	this->setSortingEnabled(true);
 	this->setSelectionMode(Wt::ExtendedSelection);

src/ui/audio/mobile/MobileAudio.cpp

@@ -37,6 +37,8 @@
 #include "ArtistView.hpp"
 #include "ReleaseView.hpp"
 
+#include "MobilePlayQueue.hpp"
+
 #include "MobileAudio.hpp"
 
 
@@ -51,6 +53,7 @@ enum WidgetIdx
 	WidgetIdxSearchTrack	= 3,
 	WidgetIdxArtist		= 4,
 	WidgetIdxRelease	= 5,
+	WidgetIdxPlayQueue	= 6,
 };
 
 using namespace Database;
@@ -70,6 +73,8 @@ Audio::Audio(Wt::WContainerWidget *parent)
 
 	Wt::WStackedWidget *stack = new Wt::WStackedWidget(this);
 
+	PlayQueue *playQueue = new PlayQueue();
+
 	// Same order as WidgetIdxXXX
 	stack->addWidget(new PreviewSearchView(_playQueueEvents));
 	stack->addWidget(new ArtistSearchView());
@@ -77,6 +82,7 @@ Audio::Audio(Wt::WContainerWidget *parent)
 	stack->addWidget(new TrackSearchView(_playQueueEvents));
 	stack->addWidget(new ArtistView());
 	stack->addWidget(new ReleaseView(_playQueueEvents));
+	stack->addWidget(playQueue);
 
 	wApp->internalPathChanged().connect(std::bind([=] (std::string path)
 	{
@@ -89,6 +95,7 @@ Audio::Audio(Wt::WContainerWidget *parent)
 			{ "/audio/search/track", WidgetIdxSearchTrack},
 			{ "/audio/artist", WidgetIdxArtist},
 			{ "/audio/release", WidgetIdxRelease},
+			{ "/audio/playqueue", WidgetIdxPlayQueue},
 		};
 
 		for (auto index : indexes)
@@ -102,14 +109,48 @@ Audio::Audio(Wt::WContainerWidget *parent)
 	Wt::WTemplate* footer = new Wt::WTemplate(this);
 	footer->setTemplateText(Wt::WString::tr("mobile-audio-footer"));
 
-	AudioPlayer* audioPlayer = new AudioPlayer();
+	AudioPlayer* audioPlayer = new AudioPlayer(AudioPlayer::ControlPlayqueue);
 	footer->bindWidget("player", audioPlayer);
 
+	audioPlayer->showPlayQueue().connect(std::bind([=] (bool state)
+	{
+		if (state)
+			wApp->setInternalPath("/audio/playqueue", true);
+	}, std::placeholders::_1));
+
+	// Connect the audio player events to the playqueue
+	playQueue->playTrack().connect(std::bind([=] (Database::Track::id_type id)
+	{
+		audioPlayer->loadTrack(id);
+	}, std::placeholders::_1));
+	audioPlayer->playNext().connect(std::bind([=]
+	{
+		playQueue->playNext();
+	}));
+	audioPlayer->playPrevious().connect(std::bind([=]
+	{
+		playQueue->playPrevious();
+	}));
+	audioPlayer->playbackEnded().connect(std::bind([=]
+	{
+		playQueue->playNext();
+	}));
+	audioPlayer->shuffle().connect(std::bind(&PlayQueue::setShuffle, playQueue, std::placeholders::_1));
+	audioPlayer->loop().connect(std::bind(&PlayQueue::setLoop, playQueue, std::placeholders::_1));
+
 	// Connect the events to the player
 	_playQueueEvents.trackPlay.connect(std::bind([=] (Database::Track::id_type id)
 	{
-		audioPlayer->loadTrack(id);
+		std::size_t pos = playQueue->addTrack(id);
+		playQueue->play(pos);
 	}, std::placeholders::_1));
+
+	_playQueueEvents.trackAdd.connect(std::bind([=] (Database::Track::id_type id)
+	{
+		playQueue->addTrack(id);
+	}, std::placeholders::_1));
+
+
 }
 
 } // namespace Mobile

src/ui/audio/mobile/MobilePlayQueue.cpp

@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 2016 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS 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.
+ *
+ * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <Wt/WTemplate>
+#include <Wt/WImage>
+#include <Wt/WText>
+#include <Wt/WPushButton>
+
+#include "logger/Logger.hpp"
+
+#include "LmsApplication.hpp"
+
+#include "MobilePlayQueue.hpp"
+
+
+namespace UserInterface {
+namespace Mobile {
+
+
+PlayQueue::PlayQueue(Wt::WContainerWidget* parent)
+: Wt::WContainerWidget(parent)
+{
+	Wt::WTemplate* t = new Wt::WTemplate(this);
+	t->setTemplateText(Wt::WString::tr("wa-playqueue-view"));
+
+	_trackContainer = new Wt::WContainerWidget();
+	t->bindWidget("contents", _trackContainer);
+
+	Wt::WTemplate* controls = new Wt::WTemplate();
+	t->bindWidget("controls", controls);
+	controls->setTemplateText(Wt::WString::tr("wa-playqueue-controls"));
+
+	Wt::WText *loadBtn = new Wt::WText("<i class=\"fa fa-upload fa-2x\"></i>", Wt::XHTMLText);
+	controls->bindWidget("load", loadBtn);
+	loadBtn->setStyleClass("mobile-btn");
+
+	Wt::WText *saveBtn = new Wt::WText("<i class=\"fa fa-download fa-2x\"></i>", Wt::XHTMLText);
+	controls->bindWidget("save", saveBtn);
+	saveBtn->setStyleClass("mobile-btn");
+
+	Wt::WText *clearBtn = new Wt::WText("<i class=\"fa fa-remove fa-2x\"></i>", Wt::XHTMLText);
+	controls->bindWidget("clear", clearBtn);
+	clearBtn->setStyleClass("mobile-btn");
+	clearBtn->clicked().connect(std::bind([=]
+	{
+		clear();
+	}));
+
+	_shuffleBtn = new Wt::WText("<i class=\"fa fa-random fa-2x\"></i>", Wt::XHTMLText);
+	controls->bindWidget("shuffle", _shuffleBtn);
+	_shuffleBtn->setStyleClass("mobile-btn");
+	_shuffleBtn->clicked().connect(std::bind([=] ()
+	{
+		setShuffle(!_shuffle);
+	}));
+
+	_loopBtn = new Wt::WText("<i class=\"fa fa-repeat fa-2x\"></i>", Wt::XHTMLText);
+	controls->bindWidget("repeat", _loopBtn);
+	_loopBtn->setStyleClass("mobile-btn");
+	_loopBtn->clicked().connect(std::bind([=] ()
+	{
+		setLoop(!_loop);
+	}));
+
+}
+
+std::size_t
+PlayQueue::addTrack(Database::Track::id_type id)
+{
+	Wt::Dbo::Transaction transaction(DboSession());
+
+	Database::Track::pointer track = Database::Track::getById(DboSession(), id);
+	if (!track)
+	{
+		LMS_LOG(UI, INFO) << "No track found for id " << id;
+		return 0;
+	}
+
+	std::size_t trackPos = _trackIds.size();
+	_trackIds.push_back(id);
+
+	Wt::WTemplate* t = new Wt::WTemplate(_trackContainer);
+	t->setTemplateText(Wt::WString::tr("wa-playqueue-track"));
+
+	Wt::WImage *cover = new Wt::WImage();
+	t->bindWidget("cover", cover);
+	cover->setStyleClass ("center-block img-responsive");
+	cover->setImageLink(SessionImageResource()->getTrackUrl(track.id(), 64));
+	t->bindString("track-name", Wt::WString::fromUTF8(track->getName()), Wt::PlainText);
+	t->bindString("artist-name", Wt::WString::fromUTF8(track->getArtist()->getName()), Wt::PlainText);
+
+	Wt::WText *playBtn = new Wt::WText("<i class=\"fa fa-play fa-lg\"></i>", Wt::XHTMLText);
+	t->bindWidget("play-btn", playBtn);
+	playBtn->addStyleClass("mobile-btn");
+	playBtn->clicked().connect(std::bind([=]
+	{
+		int pos = _trackContainer->indexOf(t);
+		play(pos);
+	}));
+
+	Wt::WText *delBtn = new Wt::WText("<i class=\"fa fa-remove fa-lg\"></i>", Wt::XHTMLText);
+	t->bindWidget("del-btn", delBtn);
+	delBtn->addStyleClass("mobile-btn");
+	delBtn->clicked().connect(std::bind([=]
+	{
+		int pos = _trackContainer->indexOf(t);
+		_trackContainer->removeWidget(t);
+		_trackIds.erase(_trackIds.begin() + pos);
+	}));
+
+	return trackPos;
+}
+
+void
+PlayQueue::clear(void)
+{
+	_trackIds.clear();
+	_trackContainer->clear();
+	_currentPos = 0;
+}
+
+void
+PlayQueue::play(size_t pos)
+{
+	if (_trackIds.empty() || pos >= _trackIds.size())
+		return;
+
+	_trackContainer->widget(_currentPos)->removeStyleClass("playqueue-playing");
+
+	_currentPos = pos;
+	_trackContainer->widget(_currentPos)->addStyleClass("playqueue-playing");
+
+	_sigTrackPlay.emit(_trackIds[pos]);
+}
+
+void
+PlayQueue::playNext(void)
+{
+	if (_currentPos == (_trackIds.size() - 1) && _loop)
+		play(0);
+	else
+		play(_currentPos + 1);
+}
+
+void
+PlayQueue::playPrevious(void)
+{
+	if (_currentPos == 0)
+	{
+		if (_loop)
+		{
+			play(_trackIds.size() - 1);
+		}
+		else
+			return;
+	}
+	else
+		play(_currentPos - 1);
+}
+
+void
+PlayQueue::handlePlaybackComplete(void)
+{
+	playNext();
+}
+
+void
+PlayQueue::setShuffle(bool value)
+{
+	_shuffle = value;
+
+	if (value)
+		_shuffleBtn->addStyleClass("mobile-btn-active");
+	else
+		_shuffleBtn->removeStyleClass("mobile-btn-active");
+}
+
+void
+PlayQueue::setLoop(bool value)
+{
+	_loop = value;
+
+	if (value)
+		_loopBtn->addStyleClass("mobile-btn-active");
+	else
+		_loopBtn->removeStyleClass("mobile-btn-active");
+}
+
+} // namespace Mobile
+} // namespace UserInterface

src/ui/audio/mobile/MobilePlayQueue.hpp

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2016 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS 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.
+ *
+ * LMS 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <vector>
+
+#include <Wt/WContainerWidget>
+#include <Wt/WSignal>
+
+#include "database/Types.hpp"
+
+namespace UserInterface {
+namespace Mobile {
+
+class PlayQueue : public Wt::WContainerWidget
+{
+	public:
+		PlayQueue(Wt::WContainerWidget* parent = 0);
+
+		// Contents
+		std::size_t addArtist(Database::Artist::id_type id);
+		std::size_t addRelease(Database::Release::id_type id);
+		std::size_t addTrack(Database::Track::id_type id);
+		void clear(void);
+
+		// Controls
+		void play(size_t pos);		// Play the track at a given position
+		void playNext(void);
+		void playPrevious(void);
+
+		void setShuffle(bool enable);	// true to enable shuffle
+		void setLoop(bool enable);	// true to enable loop
+
+		// Signals
+		// Emitted when a song has to be played
+		Wt::Signal<Database::Track::id_type>& playTrack() { return _sigTrackPlay; }
+
+		// Slots
+		// Song has finished
+		void handlePlaybackComplete(void);
+
+	private:
+
+		bool _loop = false;
+		bool _shuffle = false;
+		std::size_t _currentPos = 0;
+
+		Wt::WText* _shuffleBtn = nullptr;
+		Wt::WText* _loopBtn = nullptr;
+
+		Wt::Signal<Database::Track::id_type>	_sigTrackPlay;
+
+		std::vector<Database::Track::id_type>	_trackIds;
+		Wt::WContainerWidget* _trackContainer;
+};
+
+} // namespace Mobile
+} // namespace UserInterface

src/ui/audio/mobile/MobilePlayQueueEvents.hpp

@@ -28,6 +28,7 @@ namespace Mobile {
 struct PlayQueueEvents
 {
 	Wt::Signal<Database::Track::id_type>   trackPlay;
+	Wt::Signal<Database::Track::id_type>   trackAdd;
 };
 
 

src/ui/audio/mobile/ReleaseView.cpp

@@ -177,13 +177,23 @@ ReleaseView::addResults(size_t nb)
  		trackRes->bindString("track-name", Wt::WString::fromUTF8(track->getName()), Wt::PlainText);
 		// TODO, display artist name for compilation releases?
 
-		Wt::WText *playBtn = new Wt::WText("Play", Wt::PlainText);
+		Wt::WText *playBtn = new Wt::WText("<i class=\"fa fa-play fa-lg\"></i>", Wt::XHTMLText);
-		playBtn->setStyleClass("center-block"); // TODO move to CSS?
+		trackRes->bindWidget("play-btn", playBtn);
+		playBtn->setStyleClass("mobile-btn");
 		playBtn->clicked().connect(std::bind([=] {
 			_events.trackPlay.emit(track.id());
 		}));
 
-		trackRes->bindWidget("play-btn", playBtn);
+		Wt::WText *addBtn = new Wt::WText("<i class=\"fa fa-plus fa-lg\"></i>", Wt::XHTMLText);
+		trackRes->bindWidget("add-btn", addBtn);
+		addBtn->setStyleClass("mobile-btn");
+		addBtn->clicked().connect(std::bind([=] {
+			_events.trackAdd.emit(track.id());
+		}));
+
+
+
+
 		_nbTracks++;
 	}
 

src/ui/audio/mobile/TrackSearch.cpp

@@ -89,19 +89,27 @@ TrackSearch::addResults(size_t nb)
 		res->setTemplateText(Wt::WString::tr("wa-track-search-res"));
 
 		Wt::WImage *cover = new Wt::WImage();
+		res->bindWidget("cover", cover);
 		cover->setStyleClass ("center-block img-responsive");
 		cover->setImageLink(SessionImageResource()->getTrackUrl(track.id(), 64));
-		res->bindWidget("cover", cover);
  		res->bindString("track-name", Wt::WString::fromUTF8(track->getName()), Wt::PlainText);
  		res->bindString("artist-name", Wt::WString::fromUTF8(track->getArtist()->getName()), Wt::PlainText);
 
-		Wt::WText *playBtn = new Wt::WText("Play", Wt::PlainText);
+		Wt::WText *playBtn = new Wt::WText("<i class=\"fa fa-play fa-lg\"></i>", Wt::XHTMLText);
-		playBtn->setStyleClass("center-block"); // TODO move to CSS?
+		res->bindWidget("play-btn", playBtn);
+		playBtn->setStyleClass("mobile-btn");
 		playBtn->clicked().connect(std::bind([=] {
 			_events.trackPlay.emit(track.id());
 		}));
 
-		res->bindWidget("btn", playBtn);
+		Wt::WText *addBtn = new Wt::WText("<i class=\"fa fa-plus fa-lg\"></i>", Wt::XHTMLText);
+		res->bindWidget("add-btn", addBtn);
+		addBtn->setStyleClass("mobile-btn");
+		addBtn->clicked().connect(std::bind([=] {
+			_events.trackAdd.emit(track.id());
+		}));
+
+
 	}
 
 	if (moreResults)