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playlistohrd.cpp    135 lines (117 with data), 4.3 kB

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/* Copyright (C) 2014 J.F.Dockes
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <QDebug>
#include "playlistohrd.h"
#include "libupnpp/log.hxx"
using namespace UPnPP;
// We take ownership of the OHRad and OhInf objects. The latter can be NULL
PlaylistOHRD::PlaylistOHRD(OHRad *ohrd, OHInf *ohif, QObject * parent)
: Playlist(parent), m_ohrdo(ohrd), m_ohifo(ohif)
{
// Connections from OpenHome renderer to local playlist
connect(m_ohrdo, SIGNAL(metadataArrayChanged(const MetaDataList&)),
this, SLOT(onRemoteMetaArray(const MetaDataList&)));
connect(m_ohrdo, SIGNAL(currentTrackId(int)),
this, SLOT(onRemoteCurrentTrackid(int)));
connect(m_ohrdo, SIGNAL(audioStateChanged(int, const char *)),
this, SLOT(onRemoteTpState(int, const char *)));
connect(m_ohrdo, SIGNAL(connectionLost()), this, SIGNAL(connectionLost()));
if (m_ohifo) {
connect(m_ohifo, SIGNAL(metatextChanged(const MetaData&)),
this, SIGNAL(sig_track_metadata(const MetaData&)));
}
// Connections from local playlist to openhome
connect(this, SIGNAL(sig_pause()), m_ohrdo, SLOT(pause()));
connect(this, SIGNAL(sig_stop()), m_ohrdo, SLOT(stop()));
connect(this, SIGNAL(sig_resume_play()), m_ohrdo, SLOT(play()));
}
static bool samelist(const MetaDataList& mdv1, const MetaDataList& mdv2)
{
if (mdv1.size() != mdv2.size())
return false;
for (unsigned int i = 0; i < mdv1.size(); i++) {
if (mdv1[i].filepath.compare(mdv2[i].filepath))
return false;
}
return true;
}
void PlaylistOHRD::onRemoteMetaArray(const MetaDataList& mdv)
{
qDebug() << "PlaylistOHRD::psl_new_ohrd: " << mdv.size() << " entries";
if (!samelist(mdv, m_meta)) {
m_meta = mdv;
emit sig_playlist_updated(m_meta, m_play_idx, 0);
}
}
void PlaylistOHRD::onRemoteCurrentTrackid(int id)
{
qDebug() << "PlaylistOHRD::onRemoteCurrentTrackid: " << id;
if (id <= 0) {
return;
}
for (vector<MetaData>::iterator it = m_meta.begin();
it != m_meta.end(); it++) {
if (it->id == id) {
m_play_idx = it - m_meta.begin();
// Emit the current index in any case to let the playlist
// UI scroll to show the currently playing track (some
// time after a user interaction scrolled it off)
emit sig_playing_track_changed(m_play_idx);
// If the track id change was caused by the currently
// playing track having been removed, the play index did
// not change but the metadata did, so emit metadata in
// all cases.
MetaData md;
if (m_ohifo && m_ohifo->metatext(md)) {
emit sig_track_metadata(md);
} else {
emit sig_track_metadata(*it);
}
return;
}
}
LOGINF("PlaylistOHRD::onRemoteCurrentTrackid: track not found in array" << endl);
}
void PlaylistOHRD::update_state()
{
m_ohrdo->fetchState();
if (m_ohifo) {
MetaData md;
if (m_ohifo->metatext(md)) {
emit sig_track_metadata(md);
}
}
}
void PlaylistOHRD::psl_change_track_impl(int idx) {
m_ohrdo->setIdx(idx);
}
void PlaylistOHRD::psl_play()
{
if (m_tpstate == AUDIO_STOPPED && valid_row(m_selection_min_row)) {
m_ohrdo->setIdx(m_selection_min_row);
} else {
emit sig_resume_play();
}
}
void PlaylistOHRD::psl_pause()
{
emit sig_pause();
}
void PlaylistOHRD::psl_stop()
{
emit sig_stop();
}