Decouple RDE from spotify by allowing the user to select the media to control

Perhaps a Python script is in order to make it less ugly, but
as things stand it works.

This also uses the XDG_RUNTIME_DIR to store the variable associated with
the target to control.

3 files changed, 70 insertions, 28 deletions

diff --git a/extras/HOME/.local/bin/media-control b/extras/HOME/.local/bin/media-control
index 34a2633..c3febcd 100755
--- a/extras/HOME/.local/bin/media-control
+++ b/extras/HOME/.local/bin/media-control
@@ -6,37 +6,48 @@ then
         exit
 fi
 
-target_hint="spotify"
-while [[ "$1" == --* ]] ; do
-  arg="$1"
-  case "$arg" in
-    --target-hint=*)
-      target_hint="${arg/--target-hint=/}"
-      ;;
-    *)
-      echo "Bad Argument $1"
-      exit 1
-      ;;
-  esac
-  shift
-done
-
-# Some targets (spotifyd) don't have a stable dbus path.
-targets="$( \
-  dbus-send \
-    --print-reply \
-    --dest=org.freedesktop.DBus \
-    /org/freedesktop/DBus org.freedesktop.DBus.ListNames \
-  | sed 's#.*string \"\(.*\)"#\1#' \
-  | grep MediaPlayer2)"
+function get-default-target() {
+  local target_hint="spotify"
+  while [[ "$1" == --* ]] ; do
+    local arg="$1"
+    case "$arg" in
+      --target-hint=*)
+        target_hint="${arg/--target-hint=/}"
+        ;;
+      *)
+        echo "Bad Argument $1"
+        exit 1
+        ;;
+    esac
+    shift
+  done
+  
+  # Some targets (spotifyd) don't have a stable dbus path.
+  local targets="$( \
+    dbus-send \
+      --print-reply \
+      --dest=org.freedesktop.DBus \
+      /org/freedesktop/DBus org.freedesktop.DBus.ListNames \
+    | sed 's#.*string \"\(.*\)"#\1#' \
+    | grep MediaPlayer2)"
+  
+  # Prefer the target hint.
+  target="$(echo "$targets" | grep -i "$target_hint" | head -n1)"
+  if [ -z "$target" ] ; then
+    # If no spotify, pick an arbitrary one
+    target="$(echo "$targets" | head -n1)"
+  fi
+}
 
-# Prefer the target hint.
-target="$(echo "$targets" | grep -i "$target_hint" | head -n1)"
-if [ -z "$target" ] ; then
-  # If no spotify, pick an arbitrary one
-  target="$(echo "$targets" | head -n1)"
+media_selection_file=$XDG_RUNTIME_DIR/rde/vars/MEDIA
+if [ -f "$media_selection_file" ] ; then
+  target=$(cat "$media_selection_file")
+else
+  get-default-target
 fi
 
+echo "Sending to taget: $target"
+
 function mpris2_dbus_player_do {
   dbus-send \
     --print-reply \
diff --git a/extras/HOME/.local/bin/media-select.sh b/extras/HOME/.local/bin/media-select.sh
new file mode 100755
index 0000000..0d2f9de
--- /dev/null
+++ b/extras/HOME/.local/bin/media-select.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+runtime_dir=$XDG_RUNTIME_DIR/rde/vars/
+mkdir -p $runtime_dir
+
+media_selection_file=$runtime_dir/MEDIA
+
+raw_dbus_opts=$( \
+  dbus-send \
+    --print-reply \
+    --dest=org.freedesktop.DBus \
+    /org/freedesktop/DBus org.freedesktop.DBus.ListNames | \
+  grep MediaPlayer2 | \
+  sed 's#.*["]\(.*\)["]#\1#')
+
+selection="$(echo -e "$raw_dbus_opts\ndefault" | \
+  $ROFI -i -p "Control Media"  \
+  -theme-str '* {theme-color: #88ff88;}')"
+
+if [ ! -z "$selection" ] ; then
+  if [ "$selection" == "default" ] ; then
+    rm $media_selection_file
+  else
+    echo "$selection" > $media_selection_file
+  fi
+fi
diff --git a/src/Rahm/Desktop/Keys.hs b/src/Rahm/Desktop/Keys.hs
index c0d9c3a..5c6866e 100644
--- a/src/Rahm/Desktop/Keys.hs
+++ b/src/Rahm/Desktop/Keys.hs
@@ -703,6 +703,11 @@ keymap = runKeys $ do
               doc "Set the volume of an application via rofi." $
                 spawnX "set-volume.sh -a"
 
+          bind xK_m $ do
+            (justMod -|- noMod) $
+               doc "Set the media source to control" $
+                 spawnX "media-select.sh"
+
           -- Double-tap Z to toggle zoom.
           bind xK_z $ do
             noMod -|- justMod $