mpris: Set app id as identity

Flatpak automatically exposes org.mpris.MediaPlayer2.APP_ID as a owned
dbus name.

Fixes: #65

Author: A6GibKm

build-aux/flatpak/com.vixalien.decibels.json

@@ -22,8 +22,7 @@
     "--socket=fallback-x11",
     "--socket=wayland",
     "--socket=pulseaudio",
-    "--env=GJS_DISABLE_JIT=1",
-    "--own-name=org.mpris.MediaPlayer2.Decibels"
+    "--env=GJS_DISABLE_JIT=1"
   ],
   "cleanup": [
     "/include",

src/mpris.ts

@@ -238,7 +238,7 @@ export class MPRIS extends DBusInterface {
   private app = Gtk.Application.get_default()!;
 
   constructor(public stream: APMediaStream) {
-    super("org.mpris.MediaPlayer2.Decibels", "/org/mpris/MediaPlayer2");
+    super("org.mpris.MediaPlayer2." + pkg.name, "/org/mpris/MediaPlayer2");
 
     this.stream.connect(
       "notify::title",
@@ -487,7 +487,7 @@ export class MPRIS extends DBusInterface {
           CanSetFullscreen: GLib.Variant.new_boolean(false),
           CanRaise: GLib.Variant.new_boolean(true),
           HasTrackList: GLib.Variant.new_boolean(false),
-          Identity: GLib.Variant.new_string("Decibels"),
+          Identity: GLib.Variant.new_string(application_id),
           DesktopEntry: GLib.Variant.new_string(application_id),
           SupportedUriSchemes: GLib.Variant.new_strv([]),
           SupportedMimeTypes: GLib.Variant.new_strv([]),