mirror of
https://github.com/tomahawk-player/tomahawk.git
synced 2025-04-19 15:31:59 +02:00
* TrackData stores a track's data & attributes. It gets cached and proxied by (potentially) multiple Track objects.
This commit is contained in:
Christian Muehlhaeuser
parent
84c219105e
commit
f280d28a12
503
src/libtomahawk/TrackData.cpp
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503
src/libtomahawk/TrackData.cpp
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@ -0,0 +1,503 @@
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
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*
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* Copyright 2013, Christian Muehlhaeuser <muesli@tomahawk-player.org>
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*
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* Tomahawk 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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* Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "TrackData.h"
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#include <QtAlgorithms>
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#include <QReadWriteLock>
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#include "database/Database.h"
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#include "database/DatabaseImpl.h"
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#include "database/DatabaseCommand_LogPlayback.h"
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#include "database/DatabaseCommand_LoadPlaylistEntries.h"
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#include "database/DatabaseCommand_LoadSocialActions.h"
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#include "database/DatabaseCommand_LoadTrackAttributes.h"
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#include "database/DatabaseCommand_ShareTrack.h"
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#include "database/DatabaseCommand_SocialAction.h"
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#include "database/DatabaseCommand_TrackStats.h"
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#include "database/IdThreadWorker.h"
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#include "Album.h"
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#include "collection/Collection.h"
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#include "Pipeline.h"
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#include "resolvers/Resolver.h"
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#include "SourceList.h"
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#include "audio/AudioEngine.h"
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#include "utils/Logger.h"
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using namespace Tomahawk;
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QHash< QString, trackdata_wptr > TrackData::s_trackDatasByName = QHash< QString, trackdata_wptr >();
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QHash< unsigned int, trackdata_wptr > TrackData::s_trackDatasById = QHash< unsigned int, trackdata_wptr >();
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static QMutex s_datanameCacheMutex;
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static QReadWriteLock s_dataidMutex;
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inline QString
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datacacheKey( const QString& artist, const QString& track )
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{
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QString str;
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QTextStream stream( &str );
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stream << artist << track;
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return str;
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}
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trackdata_ptr
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TrackData::get( unsigned int id, const QString& artist, const QString& track )
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{
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s_dataidMutex.lockForRead();
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if ( s_trackDatasById.contains( id ) )
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{
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trackdata_wptr track = s_trackDatasById.value( id );
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s_dataidMutex.unlock();
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if ( track )
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return track;
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}
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s_dataidMutex.unlock();
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QMutexLocker lock( &s_datanameCacheMutex );
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const QString key = datacacheKey( artist, track );
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if ( s_trackDatasByName.contains( key ) )
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{
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trackdata_wptr track = s_trackDatasByName.value( key );
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if ( track )
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return track;
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}
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trackdata_ptr t = trackdata_ptr( new TrackData( id, artist, track ), &TrackData::deleteLater );
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t->setWeakRef( t.toWeakRef() );
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s_trackDatasByName.insert( key, t );
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if ( id > 0 )
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{
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s_dataidMutex.lockForWrite();
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s_trackDatasById.insert( id, t );
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s_dataidMutex.unlock();
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}
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else
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t->loadId( false );
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return t;
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}
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TrackData::TrackData( unsigned int id, const QString& artist, const QString& track )
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: m_artist( artist )
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, m_track( track )
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, m_year( 0 )
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, m_attributesLoaded( false )
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, m_socialActionsLoaded( false )
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, m_playbackHistoryLoaded( false )
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, m_simTracksLoaded( false )
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, m_lyricsLoaded( false )
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, m_infoJobs( 0 )
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, m_trackId( id )
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{
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m_waitingForId = ( id == 0 );
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}
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TrackData::~TrackData()
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{
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tDebug( LOGVERBOSE ) << Q_FUNC_INFO << m_artist << m_track;
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}
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void
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TrackData::deleteLater()
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{
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QMutexLocker lock( &s_datanameCacheMutex );
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const QString key = datacacheKey( m_artist, m_track );
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if ( s_trackDatasByName.contains( key ) )
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{
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s_trackDatasByName.remove( key );
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}
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if ( m_trackId > 0 )
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{
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s_dataidMutex.lockForWrite();
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if ( s_trackDatasById.contains( m_trackId ) )
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{
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s_trackDatasById.remove( m_trackId );
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}
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s_dataidMutex.unlock();
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}
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QObject::deleteLater();
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}
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QString
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TrackData::toString() const
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{
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return QString( "TrackData(%1, %2 - %3)" )
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.arg( m_trackId )
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.arg( m_artist )
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.arg( m_track );
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}
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query_ptr
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TrackData::toQuery()
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{
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return Tomahawk::Query::get( m_artist, m_track, "" );
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}
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void
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TrackData::loadId( bool autoCreate ) const
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{
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Q_ASSERT( m_waitingForId );
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IdThreadWorker::getTrackId( m_ownRef.toStrongRef(), autoCreate );
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}
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void
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TrackData::setIdFuture( QFuture<unsigned int> future )
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{
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m_idFuture = future;
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}
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unsigned int
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TrackData::trackId() const
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{
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s_dataidMutex.lockForRead();
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const bool waiting = m_waitingForId;
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unsigned int finalId = m_trackId;
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s_dataidMutex.unlock();
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if ( waiting )
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{
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finalId = m_idFuture.result();
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s_dataidMutex.lockForWrite();
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m_trackId = finalId;
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m_waitingForId = false;
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if ( m_trackId > 0 )
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{
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s_trackDatasById.insert( m_trackId, m_ownRef.toStrongRef() );
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}
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s_dataidMutex.unlock();
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}
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return finalId;
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}
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void
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TrackData::loadAttributes()
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{
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if ( m_attributesLoaded )
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return;
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m_attributesLoaded = true;
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DatabaseCommand_LoadTrackAttributes* cmd = new DatabaseCommand_LoadTrackAttributes( m_ownRef.toStrongRef() );
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Database::instance()->enqueue( QSharedPointer<DatabaseCommand>(cmd) );
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}
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void
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TrackData::updateAttributes()
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{
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if ( m_attributes.contains( "releaseyear" ) )
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{
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m_year = m_attributes.value( "releaseyear" ).toInt();
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}
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emit attributesLoaded();
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}
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void
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TrackData::loadSocialActions()
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{
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if ( m_socialActionsLoaded )
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return;
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m_socialActionsLoaded = true;
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DatabaseCommand_LoadSocialActions* cmd = new DatabaseCommand_LoadSocialActions( m_ownRef.toStrongRef() );
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Database::instance()->enqueue( QSharedPointer<DatabaseCommand>(cmd) );
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}
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void
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TrackData::setAllSocialActions( const QList< SocialAction >& socialActions )
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{
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m_allSocialActions = socialActions;
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parseSocialActions();
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emit socialActionsLoaded();
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}
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QList< SocialAction >
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TrackData::allSocialActions() const
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{
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return m_allSocialActions;
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}
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void
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TrackData::parseSocialActions()
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{
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QListIterator< Tomahawk::SocialAction > it( m_allSocialActions );
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unsigned int highestTimestamp = 0;
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while ( it.hasNext() )
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{
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Tomahawk::SocialAction socialAction;
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socialAction = it.next();
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if ( socialAction.timestamp.toUInt() > highestTimestamp && socialAction.source->isLocal() )
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{
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m_currentSocialActions[ socialAction.action.toString() ] = socialAction.value.toBool();
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}
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}
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}
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bool
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TrackData::loved()
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{
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if ( m_socialActionsLoaded )
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{
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return m_currentSocialActions[ "Love" ].toBool();
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}
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else
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{
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loadSocialActions();
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}
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return false;
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}
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void
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TrackData::setLoved( bool loved )
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{
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m_currentSocialActions[ "Love" ] = loved;
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DatabaseCommand_SocialAction* cmd = new DatabaseCommand_SocialAction( m_ownRef.toStrongRef(), QString( "Love" ), loved ? QString( "true" ) : QString( "false" ) );
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Database::instance()->enqueue( QSharedPointer<DatabaseCommand>(cmd) );
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emit socialActionsLoaded();
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}
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void
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TrackData::share( const Tomahawk::source_ptr& source )
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{
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DatabaseCommand_ShareTrack* cmd = new DatabaseCommand_ShareTrack( m_ownRef.toStrongRef(), source->nodeId() );
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Database::instance()->enqueue( QSharedPointer< DatabaseCommand >( cmd ) );
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}
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void
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TrackData::loadStats()
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{
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if ( m_playbackHistoryLoaded )
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return;
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m_playbackHistoryLoaded = true;
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DatabaseCommand_TrackStats* cmd = new DatabaseCommand_TrackStats( m_ownRef.toStrongRef() );
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Database::instance()->enqueue( QSharedPointer<DatabaseCommand>(cmd) );
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}
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QList< Tomahawk::PlaybackLog >
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TrackData::playbackHistory( const Tomahawk::source_ptr& source ) const
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{
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QList< Tomahawk::PlaybackLog > history;
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foreach ( const PlaybackLog& log, m_playbackHistory )
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{
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if ( source.isNull() || log.source == source )
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{
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history << log;
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}
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}
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return history;
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}
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void
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TrackData::setPlaybackHistory( const QList< Tomahawk::PlaybackLog >& playbackData )
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{
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m_playbackHistory = playbackData;
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emit statsLoaded();
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}
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unsigned int
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TrackData::playbackCount( const source_ptr& source )
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{
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unsigned int count = 0;
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foreach ( const PlaybackLog& log, m_playbackHistory )
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{
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if ( source.isNull() || log.source == source )
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count++;
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}
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return count;
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}
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QList<Tomahawk::query_ptr>
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TrackData::similarTracks() const
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{
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if ( !m_simTracksLoaded )
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{
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Tomahawk::InfoSystem::InfoStringHash trackInfo;
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trackInfo["artist"] = artist();
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trackInfo["track"] = track();
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Tomahawk::InfoSystem::InfoRequestData requestData;
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requestData.caller = id();
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requestData.customData = QVariantMap();
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requestData.input = QVariant::fromValue< Tomahawk::InfoSystem::InfoStringHash >( trackInfo );
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requestData.type = Tomahawk::InfoSystem::InfoTrackSimilars;
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requestData.requestId = TomahawkUtils::infosystemRequestId();
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connect( Tomahawk::InfoSystem::InfoSystem::instance(),
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SIGNAL( info( Tomahawk::InfoSystem::InfoRequestData, QVariant ) ),
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SLOT( infoSystemInfo( Tomahawk::InfoSystem::InfoRequestData, QVariant ) ), Qt::UniqueConnection );
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connect( Tomahawk::InfoSystem::InfoSystem::instance(),
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SIGNAL( finished( QString ) ),
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SLOT( infoSystemFinished( QString ) ), Qt::UniqueConnection );
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m_infoJobs++;
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Tomahawk::InfoSystem::InfoSystem::instance()->getInfo( requestData );
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}
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return m_similarTracks;
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}
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QStringList
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TrackData::lyrics() const
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{
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if ( !m_lyricsLoaded )
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{
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Tomahawk::InfoSystem::InfoStringHash trackInfo;
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trackInfo["artist"] = artist();
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trackInfo["track"] = track();
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Tomahawk::InfoSystem::InfoRequestData requestData;
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requestData.caller = id();
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requestData.customData = QVariantMap();
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requestData.input = QVariant::fromValue< Tomahawk::InfoSystem::InfoStringHash >( trackInfo );
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requestData.type = Tomahawk::InfoSystem::InfoTrackLyrics;
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requestData.requestId = TomahawkUtils::infosystemRequestId();
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connect( Tomahawk::InfoSystem::InfoSystem::instance(),
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SIGNAL( info( Tomahawk::InfoSystem::InfoRequestData, QVariant ) ),
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SLOT( infoSystemInfo( Tomahawk::InfoSystem::InfoRequestData, QVariant ) ), Qt::UniqueConnection );
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connect( Tomahawk::InfoSystem::InfoSystem::instance(),
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SIGNAL( finished( QString ) ),
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SLOT( infoSystemFinished( QString ) ), Qt::UniqueConnection );
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m_infoJobs++;
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Tomahawk::InfoSystem::InfoSystem::instance()->getInfo( requestData );
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}
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return m_lyrics;
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}
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void
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TrackData::infoSystemInfo( Tomahawk::InfoSystem::InfoRequestData requestData, QVariant output )
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{
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if ( requestData.caller != id() )
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return;
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QVariantMap returnedData = output.value< QVariantMap >();
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switch ( requestData.type )
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{
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case InfoSystem::InfoTrackLyrics:
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{
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m_lyrics = output.value< QVariant >().toString().split( "\n" );
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m_lyricsLoaded = true;
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emit lyricsLoaded();
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break;
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}
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case InfoSystem::InfoTrackSimilars:
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{
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const QStringList artists = returnedData["artists"].toStringList();
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const QStringList tracks = returnedData["tracks"].toStringList();
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for ( int i = 0; i < tracks.count() && i < 50; i++ )
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{
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m_similarTracks << Query::get( artists.at( i ), tracks.at( i ), QString(), uuid(), false );
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}
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Pipeline::instance()->resolve( m_similarTracks );
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m_simTracksLoaded = true;
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emit similarTracksLoaded();
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break;
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}
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default:
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Q_ASSERT( false );
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}
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}
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void
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TrackData::infoSystemFinished( QString target )
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{
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if ( target != id() )
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return;
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if ( --m_infoJobs == 0 )
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{
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disconnect( Tomahawk::InfoSystem::InfoSystem::instance(), SIGNAL( info( Tomahawk::InfoSystem::InfoRequestData, QVariant ) ),
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this, SLOT( infoSystemInfo( Tomahawk::InfoSystem::InfoRequestData, QVariant ) ) );
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disconnect( Tomahawk::InfoSystem::InfoSystem::instance(), SIGNAL( finished( QString ) ),
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this, SLOT( infoSystemFinished( QString ) ) );
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}
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}
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QString
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TrackData::id() const
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{
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if ( m_uuid.isEmpty() )
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{
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m_uuid = uuid();
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}
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return m_uuid;
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}
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168
src/libtomahawk/TrackData.h
Normal file
168
src/libtomahawk/TrackData.h
Normal file
@ -0,0 +1,168 @@
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
|
||||
*
|
||||
* Copyright 2013, Christian Muehlhaeuser <muesli@tomahawk-player.org>
|
||||
*
|
||||
* Tomahawk 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.
|
||||
*
|
||||
* Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
|
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*/
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#ifndef TRACKDATA_H
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#define TRACKDATA_H
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#include <QObject>
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#include <QList>
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#include <QFuture>
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#include <QVariant>
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#include "Typedefs.h"
|
||||
#include "infosystem/InfoSystem.h"
|
||||
|
||||
#include "DllMacro.h"
|
||||
|
||||
class DatabaseCommand_LogPlayback;
|
||||
class DatabaseCommand_PlaybackHistory;
|
||||
class IdThreadWorker;
|
||||
|
||||
namespace Tomahawk
|
||||
{
|
||||
|
||||
struct SocialAction
|
||||
{
|
||||
QVariant action;
|
||||
QVariant value;
|
||||
QVariant timestamp;
|
||||
Tomahawk::source_ptr source;
|
||||
};
|
||||
|
||||
struct PlaybackLog
|
||||
{
|
||||
Tomahawk::source_ptr source;
|
||||
unsigned int timestamp;
|
||||
unsigned int secsPlayed;
|
||||
};
|
||||
|
||||
class DLLEXPORT TrackData : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
enum DescriptionMode
|
||||
{ Detailed = 0, Short = 1 };
|
||||
|
||||
static trackdata_ptr get( unsigned int id, const QString& artist, const QString& track );
|
||||
|
||||
virtual ~TrackData();
|
||||
|
||||
QString id() const;
|
||||
|
||||
QString toString() const;
|
||||
Tomahawk::query_ptr toQuery();
|
||||
|
||||
QWeakPointer< Tomahawk::TrackData > weakRef() { return m_ownRef; }
|
||||
void setWeakRef( QWeakPointer< Tomahawk::TrackData > weakRef ) { m_ownRef = weakRef; }
|
||||
|
||||
QString artist() const { return m_artist; }
|
||||
QString track() const { return m_track; }
|
||||
|
||||
int year() const { return m_year; }
|
||||
|
||||
void setLoved( bool loved );
|
||||
bool loved();
|
||||
|
||||
void share( const Tomahawk::source_ptr& source );
|
||||
|
||||
unsigned int trackId() const;
|
||||
void loadId( bool autoCreate ) const;
|
||||
|
||||
void loadAttributes();
|
||||
QVariantMap attributes() const { return m_attributes; }
|
||||
void setAttributes( const QVariantMap& map ) { m_attributes = map; updateAttributes(); }
|
||||
|
||||
void loadSocialActions();
|
||||
QList< Tomahawk::SocialAction > allSocialActions() const;
|
||||
void setAllSocialActions( const QList< Tomahawk::SocialAction >& socialActions );
|
||||
|
||||
void loadStats();
|
||||
QList< Tomahawk::PlaybackLog > playbackHistory( const Tomahawk::source_ptr& source = Tomahawk::source_ptr() ) const;
|
||||
void setPlaybackHistory( const QList< Tomahawk::PlaybackLog >& playbackData );
|
||||
unsigned int playbackCount( const Tomahawk::source_ptr& source = Tomahawk::source_ptr() );
|
||||
|
||||
QList<Tomahawk::query_ptr> similarTracks() const;
|
||||
QStringList lyrics() const;
|
||||
|
||||
public slots:
|
||||
void deleteLater();
|
||||
|
||||
signals:
|
||||
void attributesLoaded();
|
||||
void socialActionsLoaded();
|
||||
void statsLoaded();
|
||||
void similarTracksLoaded();
|
||||
void lyricsLoaded();
|
||||
|
||||
private slots:
|
||||
void infoSystemInfo( Tomahawk::InfoSystem::InfoRequestData requestData, QVariant output );
|
||||
void infoSystemFinished( QString target );
|
||||
|
||||
private:
|
||||
explicit TrackData( unsigned int id, const QString& artist, const QString& track );
|
||||
|
||||
void setIdFuture( QFuture<unsigned int> future );
|
||||
|
||||
void updateAttributes();
|
||||
void parseSocialActions();
|
||||
|
||||
QString m_artist;
|
||||
QString m_track;
|
||||
|
||||
int m_year;
|
||||
|
||||
bool m_attributesLoaded;
|
||||
QVariantMap m_attributes;
|
||||
|
||||
bool m_socialActionsLoaded;
|
||||
QHash< QString, QVariant > m_currentSocialActions;
|
||||
QList< SocialAction > m_allSocialActions;
|
||||
|
||||
bool m_playbackHistoryLoaded;
|
||||
QList< PlaybackLog > m_playbackHistory;
|
||||
|
||||
bool m_simTracksLoaded;
|
||||
QList<Tomahawk::query_ptr> m_similarTracks;
|
||||
|
||||
bool m_lyricsLoaded;
|
||||
QStringList m_lyrics;
|
||||
|
||||
mutable int m_infoJobs;
|
||||
mutable QString m_uuid;
|
||||
|
||||
mutable bool m_waitingForId;
|
||||
mutable QFuture<unsigned int> m_idFuture;
|
||||
mutable unsigned int m_trackId;
|
||||
|
||||
QWeakPointer< Tomahawk::TrackData > m_ownRef;
|
||||
|
||||
static QHash< QString, trackdata_wptr > s_trackDatasByName;
|
||||
static QHash< unsigned int, trackdata_wptr > s_trackDatasById;
|
||||
|
||||
friend class ::IdThreadWorker;
|
||||
friend class ::DatabaseCommand_LogPlayback;
|
||||
friend class ::DatabaseCommand_PlaybackHistory;
|
||||
};
|
||||
|
||||
}; //ns
|
||||
|
||||
Q_DECLARE_METATYPE( QList<Tomahawk::PlaybackLog> );
|
||||
Q_DECLARE_METATYPE( Tomahawk::trackdata_ptr );
|
||||
|
||||
#endif // TRACKDATA_H
|
||||
Loading…
x
Reference in New Issue
Block a user