C++ TrackPtr::album方法代码示例

bool
ProxyBase::rowMatch( int sourceModelRow, const QString &searchTerms, int searchFields ) const
{
    if ( !m_belowModel )
        return false;

    Meta::TrackPtr track = m_belowModel->trackAt( sourceModelRow );

    QStringList searchList = searchTerms.split(" ", QString::SkipEmptyParts);

    foreach( const QString& searchTerm, searchList )
    {
        bool match = false;

        if ( searchFields & MatchTrack &&
            track->prettyName().contains( searchTerm, Qt::CaseInsensitive )
        )
            match = true;

        if ( searchFields & MatchArtist &&
            track->artist() &&
            track->artist()->prettyName().contains( searchTerm, Qt::CaseInsensitive )
        )
            match = true;

        if ( searchFields & MatchAlbum &&
            track->album() &&
            track->album()->prettyName().contains( searchTerm, Qt::CaseInsensitive )
        )
            match = true;

        if ( searchFields & MatchGenre &&
            track->genre() &&
            track->genre()->prettyName().contains( searchTerm, Qt::CaseInsensitive )
        )
            match = true;

        if ( searchFields & MatchComposer &&
            track->composer() &&
            track->composer()->prettyName().contains( searchTerm, Qt::CaseInsensitive )
        )
            match = true;

        if ( searchFields & MatchYear &&
            track->year() &&
            track->year()->prettyName().contains( searchTerm, Qt::CaseInsensitive )
        )
            match = true;

        if( searchFields & MatchRating )
        {
            bool ok;
            int rating = QString( searchTerm ).remove( "rating:" ).toInt( &ok );
            if( ok && ( track->statistics()->rating() == rating ) )
                match = true;
        }

        if( !match )
            return false;
    }

void LastfmInfoParser::getInfo(Meta::TrackPtr track)
{
    DEBUG_BLOCK
    QMap<QString, QString> query;
    query[ "method" ] = "track.getInfo";
    query[ "track"  ] = track->name();
    query[ "album"  ] = track->album() ? track->album()->name() : QString();
    query[ "artist" ] = track->artist() ? track->artist()->name() : QString();
    query[ "apikey" ] = Amarok::lastfmApiKey();

    m_jobs[ "getTrackInfo" ] = lastfm::ws::post( query );

    connect( m_jobs[ "getTrackInfo" ], SIGNAL( finished() ), SLOT( onGetTrackInfo() ) );
}

bool
Dynamic::AlbumPlayBias::trackMatches( int position,
                                      const Meta::TrackList& playlist,
                                      int contextCount ) const
{
    Q_UNUSED( contextCount );

    if( position <= 0 || playlist.count() <= position )
        return true;

    Meta::TrackPtr track = playlist[position-1];
    Meta::AlbumPtr album = track->album();
    Meta::TrackPtr currentTrack = playlist[position];
    Meta::AlbumPtr currentAlbum = currentTrack->album();

    if( !album || album->tracks().isEmpty() )
        return false;

    Meta::TrackList albumTracks = album->tracks();
    if( sameTrack( track, albumTracks.last() ) && m_follow != DontCare )
        return false;

    // we assume that the album tracks are sorted by cd and track number which
    // is at least true for the SqlCollection
    if( m_follow == DirectlyFollow )
    {
        for( int i = 1; i < albumTracks.count(); i++ )
            if( sameTrack( albumTracks[i-1], track ) )
                return sameTrack( albumTracks[i], currentTrack );
        return false;
    }
    else if( m_follow == Follow )
    {
        bool found = false;
        for( int i = 0; i < albumTracks.count(); i++ )
        {
            if( found && sameTrack( albumTracks[i], currentTrack ) )
                return true;
            if( sameTrack( albumTracks[i], track ) )
                found = true;
        }
        return false;
    }
    else if( m_follow == DontCare )
    {
        return album == currentAlbum;
    }
    return false;
}

void
IpodCopyTracksJob::slotStartDuplicateTrackSearch( const Meta::TrackPtr &track )
{
    Collections::QueryMaker *qm = m_coll.data()->queryMaker();
    qm->setQueryType( Collections::QueryMaker::Track );

    // we cannot qm->addMatch( track ) - it matches by uidUrl()
    qm->addFilter( Meta::valTitle, track->name(), true, true );
    qm->addMatch( track->album() );
    qm->setArtistQueryMode( Collections::QueryMaker::TrackArtists );
    qm->addMatch( track->artist() );
    qm->addMatch( track->composer() );
    qm->addMatch( track->genre() );
    qm->addMatch( track->year() );
    qm->addNumberFilter( Meta::valTrackNr, track->trackNumber(), Collections::QueryMaker::Equals );
    qm->addNumberFilter( Meta::valDiscNr, track->discNumber(), Collections::QueryMaker::Equals );
    // we don't want to match by filesize, track length, filetype etc - these change during
    // transcoding. We don't match album artist because handling of it is inconsistent

    connect( qm, SIGNAL(newResultReady(Meta::TrackList)),
             SLOT(slotDuplicateTrackSearchNewResult(Meta::TrackList)) );
    connect( qm, SIGNAL(queryDone()), SLOT(slotDuplicateTrackSearchQueryDone()) );
    qm->setAutoDelete( true );
    m_duplicateTrack = Meta::TrackPtr(); // reset duplicate track from previous query
    qm->run();
}

void
CurrentEngine::trackPlaying( Meta::TrackPtr track )
{
    DEBUG_BLOCK
    m_lastQueryMaker = 0;
    if( m_requested.value( QLatin1String("current") ) )
        update( track );
    if( track && m_requested.value( QLatin1String("albums") ) )
        update( track->album() );
}

Dynamic::TrackSet
Dynamic::AlbumPlayBias::matchingTracks( const Meta::TrackList& playlist,
                                        int contextCount, int finalCount,
                                        Dynamic::TrackCollectionPtr universe ) const
{
    Q_UNUSED( contextCount );
    Q_UNUSED( finalCount );

    if( playlist.isEmpty() ) // no track means we can't find any tracks in the same album
        return Dynamic::TrackSet( universe, false );

    Meta::TrackPtr track = playlist.last();
    Meta::AlbumPtr album = track->album();

    if( !album ) // no album means we can't find any tracks in the same album
        return Dynamic::TrackSet( universe, false );

    Meta::TrackList albumTracks = album->tracks();

    if( ( albumTracks.count() <= 1 ) || // the album has only one track (or even less) so there can't be any other tracks in the same album
        ( m_follow != DontCare && sameTrack( track, albumTracks.last() ) ) ) // track is the last one and we want to find a later one.
        return Dynamic::TrackSet( universe, false );

    // we assume that the album tracks are sorted by cd and track number which
    // is at least true for the SqlCollection
    TrackSet result( universe, false );
    if( m_follow == DirectlyFollow )
    {
        for( int i = 1; i < albumTracks.count(); i++ )
            if( sameTrack( albumTracks[i-1], track ) )
                result.unite( albumTracks[i] );
    }
    else if( m_follow == Follow )
    {
        bool found = false;
        for( int i = 0; i < albumTracks.count(); i++ )
        {
            if( found )
                result.unite( albumTracks[i] );
            if( sameTrack( albumTracks[i], track ) )
                found = true;
        }
    }
    else if( m_follow == DontCare )
    {
        for( int i = 0; i < albumTracks.count(); i++ )
        {
            if( !sameTrack( albumTracks[i], track ) )
                result.unite( albumTracks[i] );
        }
    }

    return result;
}

bool
Dynamic::QuizPlayBias::trackMatches( int position,
                                     const Meta::TrackList& playlist,
                                     int contextCount ) const
{
    Q_UNUSED( contextCount );

    if( position <= 0 || position >= playlist.count())
        return true;

    // -- determine the last character we need to quiz
    Meta::TrackPtr lastTrack = playlist[position-1];
    Meta::DataPtr lastData;
    if( m_follow == TitleToTitle )
        lastData = Meta::DataPtr::staticCast<Meta::Track>(lastTrack);
    else if( m_follow == ArtistToArtist )
        lastData = Meta::DataPtr::staticCast<Meta::Artist>(lastTrack->artist());
    else if( m_follow == AlbumToAlbum )
        lastData = Meta::DataPtr::staticCast<Meta::Album>(lastTrack->album());

    if( !lastData || lastData->name().isEmpty() )
        return true;

    // -- determine the first character
    Meta::TrackPtr track = playlist[position];
    Meta::DataPtr data;
    if( m_follow == TitleToTitle )
        data = Meta::DataPtr::staticCast<Meta::Track>(track);
    else if( m_follow == ArtistToArtist )
        data = Meta::DataPtr::staticCast<Meta::Artist>(track->artist());
    else if( m_follow == AlbumToAlbum )
        data = Meta::DataPtr::staticCast<Meta::Album>(track->album());

    if( !data || data->name().isEmpty() )
        return false;

    // -- now compare
    QString lastName = lastData->name();
    QString name = data->name();
    return lastChar( lastName ).toLower() == name[0].toLower();
}

void
Amarok::OSD::show( Meta::TrackPtr track ) //slot
{
    setAlignment( static_cast<OSDWidget::Alignment>( AmarokConfig::osdAlignment() ) );
    setOffset( AmarokConfig::osdYOffset() );

    QString text;
    if( !track || track->playableUrl().isEmpty() )
    {
        text = i18n( "No track playing" );
        setRating( 0 ); // otherwise stars from last rating change are visible
    }
    else
    {
        setRating( track->rating() );
        text = track->prettyName();
        if( track->artist() && !track->artist()->prettyName().isEmpty() )
            text = track->artist()->prettyName() + " - " + text;
        if( track->album() && !track->album()->prettyName().isEmpty() )
            text += "\n (" + track->album()->prettyName() + ") ";
        else
            text += '\n';
        if( track->length() > 0 )
            text += Meta::msToPrettyTime( track->length() );
    }

    if( text.isEmpty() )
        text =  track->playableUrl().fileName();

    if( text.startsWith( "- " ) ) //When we only have a title tag, _something_ prepends a fucking hyphen. Remove that.
        text = text.mid( 2 );

    if( text.isEmpty() ) //still
        text = i18n("No information available for this track");

    QImage image;
    if( track && track->album() )
        image = The::svgHandler()->imageWithBorder( track->album(), 100, 5 ).toImage();

    OSDWidget::show( text, image );
}

void
CurrentEngine::metadataChanged( Meta::TrackPtr track )
{
    QVariantMap trackInfo = Meta::Field::mapFromTrack( track );
    if( m_trackInfo != trackInfo )
    {
        m_trackInfo = trackInfo;
        setData( "current", "current", trackInfo );
        if( track && m_requested.value( QLatin1String("albums") ) )
            update( track->album() );
    }
}

Dynamic::TrackSet
Dynamic::AlbumPlayBias::matchingTracks( int position,
                                       const Meta::TrackList& playlist, int contextCount,
                                       Dynamic::TrackCollectionPtr universe ) const
{
    Q_UNUSED( contextCount );

    if( position < 1 || position >= playlist.count() )
        return Dynamic::TrackSet( universe, false );

    Meta::TrackPtr track = playlist[position-1];
    Meta::AlbumPtr album = track->album();

    if( !album )
        return Dynamic::TrackSet( universe, false );

    Meta::TrackList albumTracks = album->tracks();
    if( albumTracks.count() == 1 ||
        (track == albumTracks.last() && m_follow != DontCare) )
        return Dynamic::TrackSet( universe, false );

    // we assume that the album tracks are sorted by cd and track number which
    // is at least true for the SqlCollection
    TrackSet result( universe, false );
    if( m_follow == DirectlyFollow )
    {
        for( int i = 1; i < albumTracks.count(); i++ )
            if( albumTracks[i-1] == track )
                result.unite( albumTracks[i] );
    }
    else if( m_follow == Follow )
    {
        bool found = false;
        for( int i = 0; i < albumTracks.count(); i++ )
        {
            if( found )
                result.unite( albumTracks[i] );
            if( albumTracks[i] == track )
                found = true;
        }
    }
    else if( m_follow == DontCare )
    {
        for( int i = 0; i < albumTracks.count(); i++ )
        {
            if( albumTracks[i] != track )
                result.unite( albumTracks[i] );
        }
    }

    return result;
}

Playlist::PlaylistLayout::Part
Playlist::PlaylistLayout::partForItem( const QModelIndex &index ) const
{
    switch ( index.data( GroupRole ).toInt() )
    {
        case Grouping::Head:    // GroupMode
        case Grouping::Body:
        case Grouping::Tail:
        {
            Meta::TrackPtr track = index.data( TrackRole ).value<Meta::TrackPtr>();

            if( !track->artist() || !track->album() || !track->album()->albumArtist() || ( track->artist()->name() != track->album()->albumArtist()->name() ) )
                return VariousArtistsBody;
            else
                return StandardBody;
        }

        case Grouping::None:
        default:
            return Single;
    }
}

void
CurrentTrack::coverDropped( const QPixmap &cover )
{
    DEBUG_BLOCK
    Meta::TrackPtr track = The::engineController()->currentTrack();
    if( !track )
        return;

    Meta::AlbumPtr album = track->album();
    if( !album )
        return;

    if ( !cover.isNull() )
        album->setImage( cover.toImage() );
}

bool
CurrentEngine::sourceRequestEvent( const QString& name )
{
    Meta::TrackPtr track = The::engineController()->currentTrack();
    m_requested[ name ] = true;
    if( !track )
        stopped();

    if( name == QLatin1String("current") )
        update( track );
    else if( name == QLatin1String("albums") )
        track ? update(track->album()) : setData(name, Plasma::DataEngine::Data());
    else
        return false;

    return true;
}

Dynamic::TrackSet
Dynamic::QuizPlayBias::matchingTracks( int position,
                                       const Meta::TrackList& playlist, int contextCount,
                                       Dynamic::TrackCollectionPtr universe ) const
{
    Q_UNUSED( contextCount );

    if( position <= 0 || position > playlist.count())
        return Dynamic::TrackSet( universe, true );

    // determine the last character we need to quiz
    Meta::TrackPtr lastTrack = playlist[position-1];
    Meta::DataPtr lastData;
    if( m_follow == TitleToTitle )
        lastData = Meta::DataPtr::staticCast<Meta::Track>(lastTrack);
    else if( m_follow == ArtistToArtist )
        lastData = Meta::DataPtr::staticCast<Meta::Artist>(lastTrack->artist());
    else if( m_follow == AlbumToAlbum )
        lastData = Meta::DataPtr::staticCast<Meta::Album>(lastTrack->album());

    if( !lastData || lastData->name().isEmpty() )
    {
        // debug() << "QuizPlay: no data for"<<lastTrack->name();
        return Dynamic::TrackSet( universe, true );
    }

    m_currentCharacter = lastChar(lastData->name()).toLower();
    // debug() << "QuizPlay: data for"<<lastTrack->name()<<"is"<<m_currentCharacter;

    // -- look if we already buffered it
    if( m_tracksValid && m_characterTrackMap.contains( m_currentCharacter ) )
        return m_characterTrackMap.value( m_currentCharacter );

    // -- start a new query
    m_tracks = Dynamic::TrackSet( universe, false );
    QTimer::singleShot(0,
                       const_cast<QuizPlayBias*>(this),
                       SLOT(newQuery())); // create the new query from my parent thread

    return Dynamic::TrackSet();
}

void
ScrobblerAdapter::copyTrackMetadata( lastfm::MutableTrack &to, const Meta::TrackPtr &track )
{
    to.setTitle( track->name() );

    QString artistOrComposer;
    Meta::ComposerPtr composer = track->composer();
    if( m_config->scrobbleComposer() && composer )
        artistOrComposer = composer->name();
    Meta::ArtistPtr artist = track->artist();
    if( artistOrComposer.isEmpty() && artist )
        artistOrComposer = artist->name();
    to.setArtist( artistOrComposer );

    Meta::AlbumPtr album = track->album();
    Meta::ArtistPtr albumArtist;
    if( album )
    {
        to.setAlbum( album->name() );
        albumArtist = album->hasAlbumArtist() ? album->albumArtist() : Meta::ArtistPtr();
    }
    if( albumArtist )
        to.setAlbumArtist( albumArtist->name() );

    to.setDuration( track->length() / 1000 );
    if( track->trackNumber() >= 0 )
        to.setTrackNumber( track->trackNumber() );

    lastfm::Track::Source source = lastfm::Track::Player;
    if( track->type() == "stream/lastfm" )
        source = lastfm::Track::LastFmRadio;
    else if( track->type().startsWith( "stream" ) )
        source = lastfm::Track::NonPersonalisedBroadcast;
    else if( track->collection() && track->collection()->collectionId() != "localCollection" )
        source = lastfm::Track::MediaDevice;
    to.setSource( source );
}