151 lines
3.3 KiB
C++
151 lines
3.3 KiB
C++
/*
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* Copyright (C) 2014 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS 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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*
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* LMS 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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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PlayQueue.hpp"
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namespace UserInterface {
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PlayQueue::PlayQueue(Database::Handler& db, Wt::WContainerWidget* parent)
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: Wt::WTableView(parent),
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_db(db),
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_playedId(-1)
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{
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_model = new Wt::WStandardItemModel(0, 4, this);
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// 0 Column is hidden (track id)
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_model->setHeaderData(0, Wt::WString("#"));
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_model->setHeaderData(1, Wt::WString("#"));
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_model->setHeaderData(2, Wt::WString("Track"));
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_model->setHeaderData(3, Wt::WString("Duration"));
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this->setModel(_model);
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this->setSelectionMode(Wt::ExtendedSelection);
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this->setSortingEnabled(false);
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this->setAlternatingRowColors(true);
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this->setColumnWidth(0, 50);
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this->setColumnWidth(1, 50);
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this->setColumnHidden(0, true);
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this->doubleClicked().connect( std::bind([=] (Wt::WModelIndex idx, Wt::WMouseEvent evt)
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{
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if (!idx.isValid())
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return;
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// Update selection
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Wt::WModelIndexSet indexSet;
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indexSet.insert(idx);
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this->setSelectedIndexes( indexSet );
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// Read the requested track
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readTrack(idx.row());
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}, std::placeholders::_1, std::placeholders::_2));
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}
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void
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PlayQueue::play(void)
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{
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readTrack(0);
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}
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void
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PlayQueue::addTracks(const std::vector<Database::Track::id_type>& trackIds)
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{
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// Add tracks to model
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Wt::Dbo::Transaction transaction(_db.getSession());
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BOOST_FOREACH(Database::Track::id_type trackId, trackIds)
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{
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Database::Track::pointer track (Database::Track::getById(_db.getSession(), trackId));
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if (track)
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{
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int dataRow = _model->rowCount();
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_model->insertRows(dataRow, 1);
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_model->setData(dataRow, 0, track.id());
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_model->setData(dataRow, 1, dataRow + 1);
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_model->setData(dataRow, 2, track->getArtist()->getName() + " - " + track->getName());
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_model->setData(dataRow, 3, track->getDuration());
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}
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}
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}
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void
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PlayQueue::clear(void)
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{
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_model->removeRows(0, _model->rowCount());
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// Reset play id
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_playedId = -1;
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}
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void
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PlayQueue::handlePlaybackComplete(void)
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{
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// Play the next track
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if (_playedId != -1)
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{
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readTrack(_playedId + 1);
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}
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}
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void
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PlayQueue::playNext(void)
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{
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readTrack( _playedId != -1 ? _playedId + 1 : 0);
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}
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void
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PlayQueue::playPrevious(void)
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{
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readTrack( _playedId >= 1 ? _playedId - 1 : 0);
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}
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void
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PlayQueue::readTrack(int rowId)
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{
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Wt::Dbo::Transaction transaction(_db.getSession());
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while (rowId < _model->rowCount())
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{
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Database::Track::id_type trackId = boost::any_cast<Database::Track::id_type>(_model->data(rowId, 0));
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Database::Track::pointer track = Database::Track::getById(_db.getSession(), trackId);
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if (track)
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{
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_playedId = rowId;
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_sigTrackPlay.emit(track->getPath());
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break;
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}
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++rowId;
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}
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}
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} // namespace UserInterface
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