rework media_control to remember the last player

README.md:              mention that some scripts uses hardcoded locations

scripts/media_is_spotify_playing.sh:    use dbus to get spotify PlaybackStatus

scripts/media_control:  1) introduce a new file: /tmp/media_control_last
                        2) use this file to store the last active player
                        3) send the command to the last active player if no
                            player is running

1 files changed, 60 insertions, 36 deletions

diff --git a/scripts/media_is_spotify_playing.sh b/scripts/media_is_spotify_playing.sh
index 8c10aad..f4f32a5 100755
--- a/scripts/media_is_spotify_playing.sh
+++ b/scripts/media_is_spotify_playing.sh
@@ -1,45 +1,69 @@
 #!/bin/bash
 
-spotify_running=false
+# this script returns 0 if spotify is playing 1 otherwise
 
-if pgrep spotify &>/dev/null
+# spotify's dbus interface is able to tell us it PlaybackStatus :)
+
+status=`dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify \
+/org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get \
+string:'org.mpris.MediaPlayer2.Player' string:'PlaybackStatus' 2> /dev/null`
+
+if [ $? -ne 0 ]
 then
-    if type pacmd &>/dev/null
-    then
-        output=$(pacmd list-sink-inputs)
-        state=""
-        spotify_running=false
-
-        while read -r line; do
-            if [[ $line == *state* ]]
-            then
-                if [[ $line == *RUNNING* ]]
-                then
-                    state="RUNNING" 
-                else
-                    state=""
-                fi
-            fi
-
-            if [[ $line == *application.name* ]]
-            then
-                if [[ $state == "RUNNING" ]] && [[ $line == *Spotify* ]]
-                then
-                    spotify_running=true
-                    break
-                fi
-            fi
-        done <<< "$output"
-    elif lsof | grep /dev/snd | grep spotify &>/dev/null
-    then
-        spotify_running=true
-    fi
+    echo false
+    exit 1
 fi
 
-echo $spotify_running
-if [[ $spotify_running == "true" ]]
+status=$(echo $status | grep -o -e \".*\" | cut -d \" -f 2)
+
+if [ $status != "Playing" ]
 then
-    exit 0
-else
+    echo false
     exit 1
 fi
+
+echo true
+
+#spotify_running=false
+
+#if pgrep spotify &>/dev/null
+#then
+    #if type pacmd &>/dev/null
+    #then
+        #output=$(pacmd list-sink-inputs)
+        #state=""
+        #spotify_running=false
+
+        #while read -r line; do
+            #if [[ $line == *state* ]]
+            #then
+                #if [[ $line == *RUNNING* ]]
+                #then
+                    #state="RUNNING"
+                #else
+                    #state=""
+                #fi
+            #fi
+
+            #if [[ $line == *application.name* ]]
+            #then
+                #if [[ $state == "RUNNING" ]] && [[ $line == *Spotify* ]]
+                #then
+                    #spotify_running=true
+                    #break
+                #fi
+            #fi
+        #done <<< "$output"
+    #elif lsof | grep /dev/snd | grep spotify &>/dev/null
+    #then
+        #spotify_running=true
+    #fi
+#fi
+
+#echo $spotify_running
+#if [[ $spotify_running == "true" ]]
+#then
+    #exit 0
+#else
+    #exit 1
+#fi