| 1 | #! /usr/bin/perl |
| 2 | |
| 3 | sub notify ($$) { |
| 4 | my ($head, $body) = @_; |
| 5 | |
| 6 | my $kid = fork; |
| 7 | defined $kid or return; |
| 8 | if (!$kid) { |
| 9 | open STDOUT, ">", "/dev/null"; |
| 10 | exec "gdbus", "call", "-e", |
| 11 | "-d", "org.freedesktop.Notifications", |
| 12 | "-o", "/org/freedesktop/Notifications", |
| 13 | "-m", "org.freedesktop.Notifications.Notify", "--", |
| 14 | "DisOrder", "0", "audio-volume-high", |
| 15 | $head, $body, "[]", "{}", "5000"; |
| 16 | } |
| 17 | waitpid $kid, 0; |
| 18 | } |
| 19 | |
| 20 | sub cmd (@) { |
| 21 | my @args = @_; |
| 22 | open my $f, "-|", "disorder", @args; |
| 23 | chomp (my @r = <$f>); |
| 24 | close $f; |
| 25 | if (wantarray) { return @r; } |
| 26 | elsif (@r == 1) { return $r[0]; } |
| 27 | else { return "??? multiple lines"; } |
| 28 | } |
| 29 | |
| 30 | sub now_playing ($) { |
| 31 | my ($track) = @_; |
| 32 | my %p; |
| 33 | for my $p ("artist", "album", "title") |
| 34 | { $p{$p} = cmd "part", $track, "display", $p; } |
| 35 | if ($p{artist} =~ /^[A-Z]$/) |
| 36 | { $p{artist} = $p{album}; $p{album} = undef; } |
| 37 | elsif ($p{artist} eq "share" && $p{album} eq "disorder") |
| 38 | { next LINE; } |
| 39 | my $r = "$p{artist}: ‘$p{title}’"; |
| 40 | if (defined $p{album}) { $r .= ", from ‘$p{album}’"; } |
| 41 | notify "DisOrder: now playing", $r; |
| 42 | } |
| 43 | |
| 44 | for (;;) { |
| 45 | open my $log, "-|", "disorder", "log"; |
| 46 | LINE: while (<$log>) { |
| 47 | chomp; |
| 48 | my @f = (); |
| 49 | my $q = my $t = undef; |
| 50 | my $e = 0; |
| 51 | my $j = -1; |
| 52 | for (my $i = 0; $i < length $_; $i++) { |
| 53 | my $ch = substr($_, $i, 1); |
| 54 | if ($e) { |
| 55 | if ($ch eq "n") { $ch = "\n"; } |
| 56 | $t .= $ch; $e = 0; |
| 57 | } elsif ($ch eq $q) { |
| 58 | push @f, $t; $q = $t = undef; |
| 59 | } elsif (defined $q) { |
| 60 | if ($ch eq "\\") { $e = 1; } |
| 61 | else { $t .= $ch; } |
| 62 | } elsif ($ch eq " ") { |
| 63 | push @f, $t if defined $t; $t = undef; |
| 64 | } elsif (!defined $t && ($ch eq '"' || $ch eq "'")) { |
| 65 | $t //= ""; $q = $ch; $j = $i; |
| 66 | } else { |
| 67 | $t //= ""; $t .= $ch; |
| 68 | } |
| 69 | } |
| 70 | defined $q and die "unmatched $q (pos $j) in: $_"; |
| 71 | push @f, $t if defined $t; |
| 72 | |
| 73 | my $what = $f[1]; |
| 74 | if ($what eq "state") { |
| 75 | my $st = $f[2]; |
| 76 | my $msg; |
| 77 | if ($st eq "disable_random") { $msg = "random play disabled"; } |
| 78 | elsif ($st eq "enable_random") { $msg = "random play enabled"; } |
| 79 | elsif ($st eq "disable_play") { $msg = "playing disabled"; } |
| 80 | elsif ($st eq "enable_play") { $msg = "playing enabled"; } |
| 81 | elsif ($st eq "pause") { $msg = "paused"; } |
| 82 | elsif ($st eq "resume") { $msg = "playing"; } |
| 83 | else { next LINE; } |
| 84 | notify "DisOrder state", ucfirst $msg; |
| 85 | } |
| 86 | } elsif ($what eq "playing") { |
| 87 | now_playing $f[2]; |
| 88 | } |
| 89 | } |
| 90 | close $log; |
| 91 | sleep 5; |
| 92 | } |