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cantata/ubuntu/backend/mpdbackend.cpp
craig.p.drummond fdf3a97f4e Add other tabs
2014-04-11 17:40:42 +00:00

452 lines
18 KiB
C++

/*
* Cantata
*
* Copyright (c) 2014 Niklas Wenzel <nikwen.developer@gmail.com>
*
* ----
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "mpdbackend.h"
#include "mpdconnection.h"
#include "currentcover.h"
#include "covers.h"
#include "localize.h"
#include <QString>
#include <QModelIndex>
MPDBackend::MPDBackend(QObject *parent) : QObject(parent)
, lastState(MPDState_Inactive)
, lastSongId(-1)
, statusTimer(0)
, connectedState(CS_Init)
, stopAfterCurrent(false)
{
connect(this, SIGNAL(goToNextSong()), MPDConnection::self(), SLOT(goToNext()));
connect(this, SIGNAL(goToPreviousSong()), MPDConnection::self(), SLOT(goToPrevious()));
connect(this, SIGNAL(updateLibrary()), MPDConnection::self(), SLOT(loadLibrary()));
connect(MPDConnection::self(), SIGNAL(stateChanged(bool)), this, SLOT(onConnected(bool)));
playQueueProxyModel.setSourceModel(&playQueueModel);
artistsProxyModel.setSourceModel(MusicLibraryModel::self());
albumsProxyModel.setSourceModel(AlbumsModel::self());
playlistsProxyModel.setSourceModel(PlaylistsModel::self());
// connect(MPDConnection::self(), SIGNAL(outputsUpdated(const QList<Output> &)), this, SLOT(outputsUpdated(const QList<Output> &)));
// connect(this, SIGNAL(enableOutput(int, bool)), MPDConnection::self(), SLOT(enableOutput(int, bool)));
// connect(this, SIGNAL(outputs()), MPDConnection::self(), SLOT(outputs()));
connect(this, SIGNAL(pause(bool)), MPDConnection::self(), SLOT(setPause(bool)));
connect(this, SIGNAL(play()), MPDConnection::self(), SLOT(play()));
connect(this, SIGNAL(stop(bool)), MPDConnection::self(), SLOT(stopPlaying(bool)));
connect(this, SIGNAL(getStatus()), MPDConnection::self(), SLOT(getStatus()));
connect(this, SIGNAL(playListInfo()), MPDConnection::self(), SLOT(playListInfo()));
connect(this, SIGNAL(currentSong()), MPDConnection::self(), SLOT(currentSong()));
// connect(this, SIGNAL(setSeekId(qint32, quint32)), MPDConnection::self(), SLOT(setSeekId(qint32, quint32)));
connect(this, SIGNAL(startPlayingSongId(qint32)), MPDConnection::self(), SLOT(startPlayingSongId(qint32)));
connect(this, SIGNAL(setDetails(const MPDConnectionDetails &)), MPDConnection::self(), SLOT(setDetails(const MPDConnectionDetails &)));
connect(this, SIGNAL(clear()), MPDConnection::self(), SLOT(clear()));
// connect(this, SIGNAL(setPriority(const QList<qint32> &, quint8 )), MPDConnection::self(), SLOT(setPriority(const QList<qint32> &, quint8)));
// connect(this, SIGNAL(addSongsToPlaylist(const QString &, const QStringList &)), MPDConnection::self(), SLOT(addToPlaylist(const QString &, const QStringList &)));
// connect(&playQueueModel, SIGNAL(statsUpdated(int, quint32)), this, SLOT(updatePlayQueueStats(int, quint32))); //Just UI
connect(&playQueueModel, SIGNAL(updateCurrent(Song)), SLOT(updateCurrentSong(Song)));
connect(MPDStats::self(), SIGNAL(updated()), this, SLOT(updateStats()));
connect(MPDStatus::self(), SIGNAL(updated()), this, SLOT(updateStatus()));
connect(MPDConnection::self(), SIGNAL(playlistUpdated(const QList<Song> &)), this, SLOT(updatePlayQueue(const QList<Song> &)));
connect(MPDConnection::self(), SIGNAL(currentSongUpdated(const Song &)), this, SLOT(updateCurrentSong(const Song &)));
connect(MPDConnection::self(), SIGNAL(stateChanged(bool)), SLOT(mpdConnectionStateChanged(bool)));
// connect(MPDConnection::self(), SIGNAL(error(const QString &, bool)), SLOT(showError(const QString &, bool)));
// connect(MPDConnection::self(), SIGNAL(info(const QString &)), SLOT(showInformation(const QString &)));
// connect(this, SIGNAL(setVolume(int)), MPDConnection::self(), SLOT(setVolume(int)));
// connect(context, SIGNAL(playSong(QString)), &playQueueModel, SLOT(playSong(QString)));
// connect(PlaylistsModel::self(), SIGNAL(addToNew()), this, SLOT(addToNewStoredPlaylist()));
// connect(PlaylistsModel::self(), SIGNAL(addToExisting(const QString &)), this, SLOT(addToExistingStoredPlaylist(const QString &)));
connect(this, SIGNAL(add(const QStringList &, bool, quint8)), MPDConnection::self(), SLOT(add(const QStringList &, bool, quint8)));
connect(this, SIGNAL(setVolume(int)), MPDConnection::self(), SLOT(setVolume(int)));
connect(AlbumsModel::self(), SIGNAL(updated()), this, SLOT(albumsUpdated()));
MPDConnection::self()->start();
}
void MPDBackend::connectTo(QString hostname, quint16 port, QString password) {
MPDConnectionDetails details;
details.hostname = hostname;
details.port = port;
details.password = password;
emit setDetails(details);
MusicLibraryModel::self()->clear();
emit updateLibrary();
}
void MPDBackend::playPause() {
switch (MPDStatus::self()->state()) {
case MPDState_Playing:
emit pause(true);
break;
case MPDState_Paused:
// stopVolumeFade();
emit pause(false);
break;
default:
if (playQueueModel.rowCount()>0) {
// stopVolumeFade();
if (-1!=playQueueModel.currentSong() && -1!=playQueueModel.currentSongRow()) {
emit startPlayingSongId(playQueueModel.currentSong());
} else {
emit play();
}
}
}
}
void MPDBackend::nextSong() {
emit goToNextSong();
}
void MPDBackend::previousSong() {
emit goToPreviousSong();
}
void MPDBackend::startPlayingSongAtPos(int index) {
emit startPlayingSongId(playQueueModel.getIdByRow(index));
}
void MPDBackend::onConnected(bool connected) {
emit onConnectedChanged();
}
void MPDBackend::setMpdVolume(quint8 volume) {
emit setVolume(volume);
}
void MPDBackend::albumsUpdated() {
emit onAlbumsModelChanged();
}
void MPDBackend::addAlbum(int index, bool replace) {
QModelIndexList sourceIndexList;
sourceIndexList.append(albumsProxyModel.mapToSource(albumsProxyModel.index(index, 0)));
QStringList fileNames = AlbumsModel::self()->filenames(sourceIndexList, false);
if (!fileNames.isEmpty()) {
emit add(fileNames, replace, 1); //TODO: Priority? (last parameter)
}
}
void MPDBackend::removeFromPlayQueue(int index) {
QList<int> removeIndexList;
removeIndexList << index;
playQueueModel.remove(removeIndexList);
}
//Methods ported from MainWindow class:
void MPDBackend::updateCurrentSong(const Song &song)
{
// if (fadeWhenStop() && StopState_None!=stopState) {
// if (StopState_Stopping==stopState) {
// emit stop();
// }
// }
current=song;
if (current.isCdda()) {
emit getStatus();
if (current.isUnknown()) {
Song pqSong=playQueueModel.getSongById(current.id);
if (!pqSong.isEmpty()) {
current=pqSong;
}
}
}
// if (current.isCantataStream()) {
// Song mod=HttpServer::self()->decodeUrl(current.file);
// if (!mod.title.isEmpty()) {
// current=mod;
// current.id=song.id;
// }
// }
if (current.isStream() && !current.isCantataStream() && !current.isCdda()) {
mainText=current.name.isEmpty() ? Song::unknown() : current.name;
if (current.artist.isEmpty() && current.title.isEmpty() && !current.name.isEmpty()) {
subText=i18n("(Stream)");
} else {
subText=current.artist.isEmpty() ? current.title : (current.artist+QLatin1String(" - ")+current.title);
}
} else {
if (current.title.isEmpty() && current.artist.isEmpty() && (!current.name.isEmpty() || !current.file.isEmpty())) {
mainText=current.name.isEmpty() ? current.file : current.name;
} else {
mainText=current.title;
}
if (current.album.isEmpty() && current.artist.isEmpty()) {
subText=mainText.isEmpty() ? QString() : Song::unknown();
} else if (current.album.isEmpty()) {
subText=current.artist;
} else {
subText=current.artist+QLatin1String(" - ")+current.displayAlbum();
}
}
// #ifdef QT_QTDBUS_FOUND
// mpris->updateCurrentSong(current);
// #endif
if (current.time<5 && MPDStatus::self()->songId()==current.id && MPDStatus::self()->timeTotal()>5) {
current.time=MPDStatus::self()->timeTotal();
}
// positionSlider->setEnabled(-1!=current.id && !current.isCdda() && (!currentIsStream() || current.time>5));
CurrentCover::self()->update(current);
// trackLabel->update(current);
// bool isPlaying=MPDState_Playing==MPDStatus::self()->state();
playQueueModel.updateCurrentSong(current.id);
// QModelIndex idx=playQueueProxyModel.mapFromSource(playQueueModel.index(playQueueModel.currentSongRow(), 0));
// playQueue->updateRows(idx.row(), current.key, autoScrollPlayQueue && playQueueProxyModel.isEmpty() && isPlaying);
// scrollPlayQueue();
// context->update(current);
// trayItem->songChanged(song, isPlaying);
//Ubuntu specific:
emit onCurrentSongChanged();
}
void MPDBackend::updateStats() //Does nothing right now...
{
// Check if remote db is more recent than local one
// if (!MusicLibraryModel::self()->lastUpdate().isValid() || MPDStats::self()->dbUpdate() > MusicLibraryModel::self()->lastUpdate()) {
// if (!MusicLibraryModel::self()->lastUpdate().isValid()) {
// libraryPage->clear();
// //albumsPage->clear();
// folderPage->clear();
// playlistsPage->clear();
// }
// albumsPage->goTop();
// libraryPage->refresh();
// folderPage->refresh();
// }
}
void MPDBackend::updateStatus()
{
updateStatus(MPDStatus::self());
}
void MPDBackend::updateStatus(MPDStatus * const status)
{
// if (!status->error().isEmpty()) {
// showError(i18n("MPD reported the following error: %1", status->error()));
// }
if (MPDState_Stopped==status->state() || MPDState_Inactive==status->state()) {
// positionSlider->clearTimes();
playQueueModel.clearStopAfterTrack();
if (statusTimer) {
statusTimer->stop();
statusTimer->setProperty("count", 0);
}
} else {
// positionSlider->setRange(0, 0==status->timeTotal() && 0!=current.time && (current.isCdda() || current.isCantataStream())
// ? current.time : status->timeTotal());
// positionSlider->setValue(status->timeElapsed());
if (0==status->timeTotal() && 0==status->timeElapsed()) {
if (!statusTimer) {
statusTimer=new QTimer(this);
statusTimer->setSingleShot(true);
connect(statusTimer, SIGNAL(timeout()), SIGNAL(getStatus()));
}
QVariant id=statusTimer->property("id");
if (!id.isValid() || id.toInt()!=current.id) {
statusTimer->setProperty("id", current.id);
statusTimer->setProperty("count", 0);
statusTimer->start(250);
} else if (statusTimer->property("count").toInt()<12) {
statusTimer->setProperty("count", statusTimer->property("count").toInt()+1);
statusTimer->start(250);
}
// } else if (!positionSlider->isEnabled()) {
// positionSlider->setEnabled(-1!=current.id && !current.isCdda() && (!currentIsStream() || status->timeTotal()>5));
}
}
// randomPlayQueueAction->setChecked(status->random());
// repeatPlayQueueAction->setChecked(status->repeat());
// singlePlayQueueAction->setChecked(status->single());
// consumePlayQueueAction->setChecked(status->consume());
// updateNextTrack(status->nextSongId());
// if (status->timeElapsed()<172800 && (!currentIsStream() || (status->timeTotal()>0 && status->timeElapsed()<=status->timeTotal()))) {
// if (status->state() == MPDState_Stopped || status->state() == MPDState_Inactive) {
// positionSlider->setRange(0, 0);
// } else {
// positionSlider->setValue(status->timeElapsed());
// }
// }
playQueueModel.setState(status->state());
switch (status->state()) {
case MPDState_Playing:
// StdActions::self()->playPauseTrackAction->setIcon(Icons::self()->toolbarPauseIcon);
// StdActions::self()->playPauseTrackAction->setEnabled(0!=status->playlistLength());
// if (StopState_Stopping!=stopState) {
// enableStopActions(true);
// StdActions::self()->nextTrackAction->setEnabled(status->playlistLength()>1);
// StdActions::self()->prevTrackAction->setEnabled(status->playlistLength()>1);
// }
// positionSlider->startTimer();
break;
case MPDState_Inactive:
case MPDState_Stopped:
// StdActions::self()->playPauseTrackAction->setIcon(Icons::self()->toolbarPlayIcon);
// StdActions::self()->playPauseTrackAction->setEnabled(0!=status->playlistLength());
// enableStopActions(false);
// StdActions::self()->nextTrackAction->setEnabled(false);
// StdActions::self()->prevTrackAction->setEnabled(false);
// if (!StdActions::self()->playPauseTrackAction->isEnabled()) {
current=Song();
// trackLabel->update(current);
CurrentCover::self()->update(current);
// }
current.id=0;
// trayItem->setToolTip("cantata", i18n("Cantata"), QLatin1String("<i>")+i18n("Playback stopped")+QLatin1String("</i>"));
// positionSlider->stopTimer();
break;
case MPDState_Paused:
// StdActions::self()->playPauseTrackAction->setIcon(Icons::self()->toolbarPlayIcon);
// StdActions::self()->playPauseTrackAction->setEnabled(0!=status->playlistLength());
// enableStopActions(0!=status->playlistLength());
// StdActions::self()->nextTrackAction->setEnabled(status->playlistLength()>1);
// StdActions::self()->prevTrackAction->setEnabled(status->playlistLength()>1);
// positionSlider->stopTimer();
default:
break;
}
// Check if song has changed or we're playing again after being stopped, and update song info if needed
if (MPDState_Inactive!=status->state() &&
(MPDState_Inactive==lastState || (MPDState_Stopped==lastState && MPDState_Playing==status->state()) || lastSongId != status->songId())) {
emit currentSong();
}
// if (status->state()!=lastState && (MPDState_Playing==status->state() || MPDState_Stopped==status->state())) {
// startContextTimer();
// }
// Update status info
lastState = status->state();
lastSongId = status->songId();
//Touch specific:
emit onPlayingStatusChanged();
emit onMpdVolumeChanged();
}
void MPDBackend::updatePlayQueue(const QList<Song> &songs)
{
// StdActions::self()->playPauseTrackAction->setEnabled(!songs.isEmpty());
// StdActions::self()->nextTrackAction->setEnabled(StdActions::self()->stopPlaybackAction->isEnabled() && songs.count()>1);
// StdActions::self()->prevTrackAction->setEnabled(StdActions::self()->stopPlaybackAction->isEnabled() && songs.count()>1);
// StdActions::self()->savePlayQueueAction->setEnabled(!songs.isEmpty());
// promptClearPlayQueueAction->setEnabled(!songs.isEmpty());
// int topRow=-1;
// QModelIndex topIndex=playQueueModel.lastCommandWasUnodOrRedo() ? playQueue->indexAt(QPoint(0, 0)) : QModelIndex();
// if (topIndex.isValid()) {
// topRow=playQueueProxyModel.mapToSource(topIndex).row();
// }
// bool wasEmpty=0==playQueueModel.rowCount();
playQueueModel.update(songs);
// QModelIndex idx=playQueueProxyModel.mapFromSource(playQueueModel.index(playQueueModel.currentSongRow(), 0));
// bool scroll=autoScrollPlayQueue && playQueueProxyModel.isEmpty() && wasEmpty && MPDState_Playing==MPDStatus::self()->state();
// playQueue->updateRows(idx.row(), current.key, scroll);
// if (!scroll && topRow>0 && topRow<playQueueModel.rowCount()) {
// playQueue->scrollTo(playQueueProxyModel.mapFromSource(playQueueModel.index(topRow, 0)), QAbstractItemView::PositionAtTop);
// }
if (songs.isEmpty()) {
updateCurrentSong(Song());
} else if (current.isStandardStream()) {
// Check to see if it has been updated...
Song pqSong=playQueueModel.getSongByRow(playQueueModel.currentSongRow());
if (pqSong.artist!=current.artist || pqSong.album!=current.album || pqSong.name!=current.name || pqSong.title!=current.title || pqSong.year!=current.year) {
updateCurrentSong(pqSong);
}
}
// playQueueItemsSelected(playQueue->haveSelectedItems());
// updateNextTrack(MPDStatus::self()->nextSongId());
//Touch specific:
emit onPlayQueueChanged();
}
void MPDBackend::mpdConnectionStateChanged(bool connected)
{
// serverInfoAction->setEnabled(connected && !MPDConnection::self()->isMopdidy());
// refreshDbAction->setEnabled(connected);
// addStreamToPlayQueueAction->setEnabled(connected);
if (connected) {
// messageWidget->hide();
if (CS_Connected!=connectedState) {
emit playListInfo();
// emit outputs();
// if (CS_Init!=connectedState) {
// currentTabChanged(tabWidget->currentIndex());
// }
connectedState=CS_Connected;
// StdActions::self()->addWithPriorityAction->setVisible(MPDConnection::self()->canUsePriority());
// setPriorityAction->setVisible(StdActions::self()->addWithPriorityAction->isVisible());
}
// updateWindowTitle();
} else {
// libraryPage->clear();
// albumsPage->clear();
// folderPage->clear();
// playlistsPage->clear();
playQueueModel.clear();
AlbumsModel::self()->clear(); //Ubuntu specific
// searchPage->clear();
connectedState=CS_Disconnected;
// outputsAction->setVisible(false);
MPDStatus dummyStatus;
updateStatus(&dummyStatus);
}
// controlPlaylistActions();
//Ubuntu specific:
emit onCurrentSongChanged();
}