/usr/share/perl5/POE/Component/Client/MPD/Playlist.pm is in libpoe-component-client-mpd-perl 2.000-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# This file is part of POE-Component-Client-MPD
#
# This software is copyright (c) 2007 by Jerome Quelin.
#
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
#
use 5.010;
use strict;
use warnings;
package POE::Component::Client::MPD::Playlist;
# ABSTRACT: module handling playlist commands
$POE::Component::Client::MPD::Playlist::VERSION = '2.000';
use Moose;
use MooseX::Has::Sugar;
use POE;
use Readonly;
use POE::Component::Client::MPD::Message;
# -- attributes
has mpd => ( ro, required, weak_ref, );# isa=>'POE::Component::Client::MPD' );
# -- Playlist: retrieving information
sub _do_as_items {
my ($self, $msg) = @_;
$msg->_set_commands ( [ 'playlistinfo' ] );
$msg->_set_cooking ( 'as_items' );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_items_changed_since {
my ($self, $msg) = @_;
my $plid = $msg->params->[0];
$msg->_set_commands ( [ "plchanges $plid" ] );
$msg->_set_cooking ( 'as_items' );
$self->mpd->_send_to_mpd( $msg );
}
# -- Playlist: adding / removing songs
sub _do_add {
my ($self, $msg) = @_;
my $args = $msg->params;
my @pathes = @$args; # args of the poe event
my @commands = ( # build the commands
'command_list_begin',
map( qq{add "$_"}, @pathes ),
'command_list_end',
);
$msg->_set_commands ( \@commands );
$msg->_set_cooking ( 'raw' );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_delete {
my ($self, $msg) = @_;
my $args = $msg->params;
my @numbers = @$args;
my @commands = ( # build the commands
'command_list_begin',
map( qq{delete $_}, reverse sort {$a<=>$b} @numbers ),
'command_list_end',
);
$msg->_set_commands ( \@commands );
$msg->_set_cooking ( 'raw' );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_deleteid {
my ($self, $msg) = @_;
my $args = $msg->params;
my @songids = @$args;
my @commands = ( # build the commands
'command_list_begin',
map( qq{deleteid $_}, @songids ),
'command_list_end',
);
$msg->_set_commands ( \@commands );
$msg->_set_cooking ( 'raw' );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_clear {
my ($self, $msg) = @_;
$msg->_set_commands ( [ 'clear' ] );
$msg->_set_cooking ( 'raw' );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_crop {
my ($self, $msg) = @_;
if ( not defined $msg->_data ) {
# no status yet - fire an event
$msg->_set_post( 'pl.crop' );
$self->mpd->_dispatch('status', $msg);
return;
}
# now we know what to remove
my $cur = $msg->_data->song;
my $len = $msg->_data->playlistlength - 1;
my @commands = (
'command_list_begin',
map( { $_ != $cur ? "delete $_" : '' } reverse 0..$len ),
'command_list_end'
);
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( \@commands );
$self->mpd->_send_to_mpd( $msg );
}
# -- Playlist: changing playlist order
sub _do_shuffle {
my ($self, $msg) = @_;
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ 'shuffle' ] );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_swap {
my ($self, $msg) = @_;
my ($from, $to) = @{ $msg->params }[0,1];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ "swap $from $to" ] );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_swapid {
my ($self, $msg) = @_;
my ($from, $to) = @{ $msg->params }[0,1];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ "swapid $from $to" ] );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_move {
my ($self, $msg) = @_;
my ($song, $pos) = @{ $msg->params }[0,1];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ "move $song $pos" ] );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_moveid {
my ($self, $msg) = @_;
my ($songid, $pos) = @{ $msg->params }[0,1];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ "moveid $songid $pos" ] );
$self->mpd->_send_to_mpd( $msg );
}
# -- Playlist: managing playlists
sub _do_load {
my ($self, $msg) = @_;
my $playlist = $msg->params->[0];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ qq{load "$playlist"} ] );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_save {
my ($self, $msg) = @_;
my $playlist = $msg->params->[0];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ qq{save "$playlist"} ] );
$self->mpd->_send_to_mpd( $msg );
}
sub _do_rm {
my ($self, $msg) = @_;
my $playlist = $msg->params->[0];
$msg->_set_cooking ( 'raw' );
$msg->_set_commands ( [ qq{rm "$playlist"} ] );
$self->mpd->_send_to_mpd( $msg );
}
no Moose;
__PACKAGE__->meta->make_immutable;
1;
__END__
=pod
=head1 NAME
POE::Component::Client::MPD::Playlist - module handling playlist commands
=head1 VERSION
version 2.000
=head1 DESCRIPTION
L<POE::Component::Client::MPD::Playlist> is responsible for handling
general purpose commands. They are in a dedicated module to achieve
easier code maintenance.
To achieve those commands, send the corresponding event to the POCOCM
session you created: it will be responsible for dispatching the event
where it is needed. Under no circumstance should you call directly subs
or methods from this module directly.
Read L<POCOCM|POE::Component::Client::MPD>'s pod to learn how to deal
with answers from those commands.
Following is a list of playlist-related events accepted by POCOCM.
=head1 RETRIEVING INFORMATION
=head2 pl.as_items( )
Return an array of L<Audio::MPD::Common::Item::Song>s, one for each of
the songs in the current playlist.
=head2 pl.items_changed_since( $plversion )
Return a list with all the songs (as L<Audio::MPD::Common::Item::Song>
objects) added to the playlist since playlist C<$plversion>.
=head1 ADDING / REMOVING SONGS
=head2 pl.add( $path, $path, ... )
Add the songs identified by C<$path> (relative to MPD's music directory)
to the current playlist.
=head2 pl.delete( $number, $number, ... )
Remove song C<$number> (starting from 0) from the current playlist.
=head2 pl.deleteid( $songid, $songid, ... )
Remove the specified C<$songid> (as assigned by mpd when inserted in
playlist) from the current playlist.
=head2 pl.clear( )
Remove all the songs from the current playlist.
=head2 pl.crop( )
Remove all of the songs from the current playlist *except* the current one.
=head1 CHANGING PLAYLIST ORDER
=head2 pl.shuffle( )
Shuffle the current playlist.
=head2 pl.swap( $song1, $song2 )
Swap positions of song number C<$song1> and C<$song2> in the current
playlist.
=head2 pl.swapid( $songid1, $songid2 )
Swap positions of song id C<$songid1> and C<$songid2> in the current
playlist.
=head2 pl.move( $song, $newpos )
Move song number C<$song> to the position C<$newpos>.
=head2 pl.moveid( $songid, $newpos )
Move song id C<$songid> to the position C<$newpos>.
=head1 MANAGING PLAYLISTS
=head2 pl.load( $playlist )
Load list of songs from specified C<$playlist> file.
=head2 pl.save( $playlist )
Save the current playlist to a file called C<$playlist> in MPD's
playlist directory.
=head2 pl.rm( $playlist )
Delete playlist named C<$playlist> from MPD's playlist directory.
=head1 AUTHOR
Jerome Quelin
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2007 by Jerome Quelin.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
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