playlist_control: use GTimer in previousSongInPlaylist()

To determine whether to rewind the current song or to go to the
previous song, use a GTimer instead of manually diffing time(NULL).

1 files changed, 7 insertions, 0 deletions

diff --git a/src/playlist.h b/src/playlist.h
index 4237cea98..57b2450fa 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -82,6 +82,13 @@ struct playlist {
 	 * This variable is only valid if #playing is true.
 	 */
 	int queued;
+
+	/**
+	 * This timer tracks the time elapsed since the last "prev"
+	 * command.  If that is less than one second ago, "prev" jumps
+	 * to the previous song instead of rewinding the current song.
+	 */
+	GTimer *prev_elapsed;
 };
 
 /** the global playlist object */