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authorEric Wong <normalperson@yhbt.net>2013-09-09 07:51:06 +0000
committerEric Wong <normalperson@yhbt.net>2013-09-09 07:51:06 +0000
commit72bdee181ad5d95f1925d3abedd7f860101a75d3 (patch)
tree7896769d343304962d967777039323549f83e9e2 /lib/dtas/tracklist.rb
parent0a2c2084eaca34fb869ee338315e91cbf809212f (diff)
downloaddtas-72bdee181ad5d95f1925d3abedd7f860101a75d3.tar.gz
This means we can go back and forth in the tracklist like a normal
music player.  This will allow an easier MPRIS 2.0 implementation.
Diffstat (limited to 'lib/dtas/tracklist.rb')
-rw-r--r--lib/dtas/tracklist.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/dtas/tracklist.rb b/lib/dtas/tracklist.rb
index e0b00cb..c3cd3ff 100644
--- a/lib/dtas/tracklist.rb
+++ b/lib/dtas/tracklist.rb
@@ -114,4 +114,10 @@ class DTAS::Tracklist
     @goto_pos = nil
     # noop if track_id is invalid
   end
+
+  def previous!
+    return if @list.empty?
+    prev_idx = @pos - 1
+    @goto_pos = @list[prev_idx] ? prev_idx : nil
+  end
 end