300 lines
9.7 KiB
C++
300 lines
9.7 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2021 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 GNU
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* 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 this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "mpris.h"
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#include "mpd-interface/mpdconnection.h"
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#include "playeradaptor.h"
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#include "rootadaptor.h"
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#include "config.h"
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#include "gui/currentcover.h"
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static inline qlonglong convertTime(qlonglong t)
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{
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return t*1000000;
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}
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Mpris::Mpris(QObject *p)
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: QObject(p)
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, pos(-1)
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{
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QDBusConnection::sessionBus().registerService("org.mpris.MediaPlayer2.cantata");
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new PlayerAdaptor(this);
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new MediaPlayer2Adaptor(this);
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QDBusConnection::sessionBus().registerObject("/org/mpris/MediaPlayer2", this, QDBusConnection::ExportAdaptors);
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connect(this, SIGNAL(setRandom(bool)), MPDConnection::self(), SLOT(setRandom(bool)));
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connect(this, SIGNAL(setRepeat(bool)), MPDConnection::self(), SLOT(setRepeat(bool)));
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connect(this, SIGNAL(setSingle(bool)), MPDConnection::self(), SLOT(setSingle(bool)));
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connect(this, SIGNAL(setSeekId(qint32, quint32)), MPDConnection::self(), SLOT(setSeekId(qint32, quint32)));
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connect(this, SIGNAL(seek(qint32)), MPDConnection::self(), SLOT(seek(qint32)));
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connect(this, SIGNAL(setVolume(int)), MPDConnection::self(), SLOT(setVolume(int)));
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// connect(MPDConnection::self(), SIGNAL(currentSongUpdated(const Song &)), this, SLOT(updateCurrentSong(const Song &)));
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// connect(MPDStatus::self(), SIGNAL(updated()), this, SLOT(updateStatus()));
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connect(CurrentCover::self(), SIGNAL(coverFile(const QString &)), this, SLOT(updateCurrentCover(const QString &)));
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}
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Mpris::~Mpris()
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{
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QDBusConnection::sessionBus().unregisterService("org.mpris.MediaPlayer2.cantata");
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}
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void Mpris::Pause()
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{
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if (!status.isNull() && MPDState_Playing==status->state()) {
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StdActions::self()->playPauseTrackAction->trigger();
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}
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}
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void Mpris::Play()
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{
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if (!status.isNull() && status->playlistLength()>0 && MPDState_Playing!=status->state()) {
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StdActions::self()->playPauseTrackAction->trigger();
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}
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}
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void Mpris::SetPosition(const QDBusObjectPath &trackId, qlonglong pos)
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{
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if (trackId.path()==currentTrackId()) {
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emit setSeekId(-1, pos/1000000);
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}
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}
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QString Mpris::PlaybackStatus() const
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{
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if (status.isNull()) {
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return QLatin1String("Stopped");
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}
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switch (status->state()) {
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case MPDState_Playing: return QLatin1String("Playing");
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case MPDState_Paused: return QLatin1String("Paused");
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default:
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case MPDState_Stopped: return QLatin1String("Stopped");
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}
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}
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void Mpris::SetLoopStatus(const QString &s)
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{
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if (status.isNull()) {
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return;
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}
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bool repeat=(QLatin1String("None")!=s);
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bool single=(QLatin1String("Track")==s);
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if (status->repeat()!=repeat) {
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emit setRepeat(repeat);
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}
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if (status->single()!=single) {
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emit setSingle(single);
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}
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}
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qlonglong Mpris::Position() const
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{
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// Cant use MPDStatus, as we dont poll for track position, but use a timer instead!
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//return MPDStatus::self()->timeElapsed();
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return status.isNull() ? 0 : convertTime(status->guessedElapsed());
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}
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void Mpris::updateStatus()
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{
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updateStatus(MPDStatus::self());
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}
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void Mpris::updateStatus(MPDStatus * const status)
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{
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QVariantMap map;
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// If the current song has not yet been updated, reject this status
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// update and wait for the next unless the play queue has recently
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// been emptied or the connection to MPD has been lost ...
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if (status->songId()!=currentSong.id && status->songId()!=-1) {
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return;
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}
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if (status!=this->status) {
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this->status = status;
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}
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if (status->repeat()!=lastStatus.repeat || status->single()!=lastStatus.single) {
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map.insert("LoopStatus", LoopStatus());
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}
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if (status->random()!=lastStatus.random) {
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map.insert("Shuffle", Shuffle());
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}
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if (status->volume()!=lastStatus.volume) {
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map.insert("Volume", Volume());
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}
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if (status->state()!=lastStatus.state || status->songId()!=lastStatus.songId || status->nextSongId()!=lastStatus.nextSongId || status->playlistLength()!=lastStatus.playlistLength) {
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map.insert("CanGoNext", CanGoNext());
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map.insert("CanGoPrevious", CanGoPrevious());
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}
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if (status->state()!=lastStatus.state) {
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map.insert("PlaybackStatus", PlaybackStatus());
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map.insert("CanPause", CanPause());
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}
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if (status->playlistLength()!=lastStatus.playlistLength) {
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map.insert("CanPlay", CanPlay());
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}
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if (status->songId()!=lastStatus.songId || status->timeTotal()!=lastStatus.timeTotal) {
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map.insert("CanSeek", CanSeek());
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}
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if (status->timeElapsed()!=lastStatus.timeElapsed) {
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map.insert("Position", convertTime(status->timeElapsed()));
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}
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if (!map.isEmpty() || status->songId()!=lastStatus.songId) {
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if (!map.contains("Position")) {
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map.insert("Position", convertTime(status->timeElapsed()));
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}
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map.insert("Metadata", Metadata());
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signalUpdate(map);
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}
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lastStatus = status->getValues();
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}
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void Mpris::updateCurrentCover(const QString &fileName)
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{
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if (fileName!=currentCover) {
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currentCover=fileName;
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signalUpdate("Metadata", Metadata());
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}
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}
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void Mpris::updateCurrentSong(const Song &song)
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{
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qint32 lastSongId = currentSong.id;
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currentSong = song;
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if (song.id!=lastSongId && (song.id==lastStatus.songId || -1==lastStatus.songId)) {
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// The update of the current song may come a little late.
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// So reset song ID and update status once again.
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if (-1!=lastStatus.songId) {
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lastStatus.songId = lastSongId;
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}
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updateStatus();
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} else {
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signalUpdate("Metadata", Metadata());
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}
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}
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QVariantMap Mpris::Metadata() const {
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QVariantMap metadataMap;
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if ((!currentSong.title.isEmpty() && !currentSong.artist.isEmpty()) || (currentSong.isStandardStream() && !currentSong.name().isEmpty())) {
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metadataMap.insert("mpris:trackid", currentTrackId());
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QString artist=currentSong.artist;
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QString album=currentSong.album;
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QString title=currentSong.title;
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if (currentSong.isStandardStream()) {
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if (artist.isEmpty()) {
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artist=currentSong.name();
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} else if (album.isEmpty()) {
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album=currentSong.name();
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}
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if (title.isEmpty()) {
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title=tr("(Stream)");
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}
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}
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if (currentSong.time>0) {
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metadataMap.insert("mpris:length", convertTime(currentSong.time));
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}
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if (!album.isEmpty()) {
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metadataMap.insert("xesam:album", album);
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}
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if (!currentSong.albumartist.isEmpty() && currentSong.albumartist!=currentSong.artist) {
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metadataMap.insert("xesam:albumArtist", QStringList() << currentSong.albumartist);
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}
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if (!artist.isEmpty()) {
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metadataMap.insert("xesam:artist", QStringList() << artist);
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}
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if (!title.isEmpty()) {
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metadataMap.insert("xesam:title", title);
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}
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if (!currentSong.genres[0].isEmpty()) {
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metadataMap.insert("xesam:genre", QStringList() << currentSong.genres[0]);
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}
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if (currentSong.track>0) {
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metadataMap.insert("xesam:trackNumber", currentSong.track);
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}
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if (currentSong.disc>0) {
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metadataMap.insert("xesam:discNumber", currentSong.disc);
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}
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if (currentSong.year>0) {
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metadataMap.insert("xesam:contentCreated", QString("%04d").arg(currentSong.year));
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}
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if (!currentSong.file.isEmpty()) {
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if (currentSong.isNonMPD()) {
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metadataMap.insert("xesam:url", currentSong.file);
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} else if (MPDConnection::self()->getDetails().dirReadable) {
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QString mpdDir=MPDConnection::self()->getDetails().dir;
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if (!mpdDir.isEmpty()) {
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metadataMap.insert("xesam:url", "file://"+mpdDir+currentSong.file);
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}
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}
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}
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if (!currentCover.isEmpty()) {
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metadataMap.insert("mpris:artUrl", "file://"+currentCover);
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}
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}
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return metadataMap;
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}
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void Mpris::Raise()
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{
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emit showMainWindow();
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}
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void Mpris::signalUpdate(const QString &property, const QVariant &value)
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{
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QVariantMap map;
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map.insert(property, value);
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signalUpdate(map);
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}
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void Mpris::signalUpdate(const QVariantMap &map)
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{
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if (map.isEmpty()) {
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return;
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}
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QDBusMessage signal = QDBusMessage::createSignal("/org/mpris/MediaPlayer2",
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"org.freedesktop.DBus.Properties",
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"PropertiesChanged");
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QVariantList args = QVariantList()
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<< "org.mpris.MediaPlayer2.Player"
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<< map
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<< QStringList();
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signal.setArguments(args);
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QDBusConnection::sessionBus().send(signal);
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}
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QString Mpris::currentTrackId() const
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{
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return QString("/org/mpris/MediaPlayer2/Track/%1").arg(QString::number(currentSong.id));
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}
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#include "moc_mpris.cpp"
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