feat(custom): make spotify module generic

Set class via json attribute
Choose icon via alt attribute

resources/config

@@ -4,7 +4,7 @@
     // "height": 30, // Waybar height
     // "width": 1280, // Waybar width
     // Choose the order of the modules
-    "modules-left": ["sway/workspaces", "sway/mode", "custom/spotify"],
+    "modules-left": ["sway/workspaces", "sway/mode", "custom/media"],
     "modules-center": ["sway/window"],
     "modules-right": ["idle_inhibitor", "pulseaudio", "network", "cpu", "memory", "temperature", "backlight", "battery", "battery#bat2", "clock", "tray"],
     // Modules configuration
@@ -95,9 +95,14 @@
         },
         "on-click": "pavucontrol"
     },
-    "custom/spotify": {
-        "format": " {}",
+    "custom/media": {
+        "format": "{icon} {}",
+        "return-type": "json",
         "max-length": 40,
+        "format-icons": {
+            "spotify": "",
+            "default": "🎜"
+        },
         "escape": true,
         "exec": "$HOME/.config/waybar/mediaplayer.py 2> /dev/null" // Script in resources folder
     }

resources/custom_modules/mediaplayer.py

@@ -4,12 +4,24 @@ import logging
 import sys
 import signal
 import gi
+import json
 gi.require_version('Playerctl', '2.0')
 from gi.repository import Playerctl, GLib
 
 logger = logging.getLogger(__name__)
 
 
+def write_output(text, player):
+    logger.info('Writing output')
+
+    output = {'text': text,
+              'class': 'custom-' + player.props.player_name,
+              'alt': player.props.player_name}
+
+    sys.stdout.write(json.dumps(output) + '\n')
+    sys.stdout.flush()
+
+
 def on_play(player, status, manager):
     logger.info('Received new playback status')
     on_metadata(player, player.props.metadata, manager)
@@ -26,16 +38,10 @@ def on_metadata(player, metadata, manager):
     elif player.get_artist() != '' and player.get_title() != '':
         track_info = '{artist} - {title}'.format(artist=player.get_artist(),
                                                  title=player.get_title())
-    else:
-        sys.stdout.write('\n')
-        sys.stdout.flush()
-        return
 
-    if player.props.status == 'Playing':
-        sys.stdout.write(track_info + '\n')
-    else:
-        sys.stdout.write(' ' + track_info + '\n')
-    sys.stdout.flush()
+    if player.props.status != 'Playing':
+        track_info = ' ' + track_info
+    write_output(track_info, player)
 
 
 def on_player_appeared(manager, player, selected_player=None):

resources/style.css

@@ -30,7 +30,7 @@ window#waybar {
     border-bottom: 3px solid #ffffff;
 }
 
-#clock, #battery, #cpu, #memory, #temperature, #backlight, #network, #pulseaudio, #custom-spotify, #tray, #mode, #idle_inhibitor {
+#clock, #battery, #cpu, #memory, #temperature, #backlight, #network, #pulseaudio, #custom-media, #tray, #mode, #idle_inhibitor {
     padding: 0 10px;
     margin: 0 5px;
 }
@@ -97,11 +97,19 @@ window#waybar {
     color: #2a5c45;
 }
 
-#custom-spotify {
+#custom-media {
     background: #66cc99;
     color: #2a5c45;
 }
 
+.custom-spotify {
+    background: #66cc99;
+}
+
+.custom-vlc {
+    background: #ffa000;
+}
+
 #temperature {
     background: #f0932b;
 }