clapper-app: Support creating multiple windows

src/bin/clapper-app/clapper-app-application.c

@@ -394,7 +394,7 @@ clapper_app_application_command_line (GApplication *app, GApplicationCommandLine
 {
   ClapperAppApplication *self = CLAPPER_APP_APPLICATION_CAST (app);
   struct ClapperAppOptions app_opts = { 0, };
-  GtkWindow *window;
+  GtkWindow *window = NULL;
   GVariantDict *options;
   GFile **files = NULL;
   gint n_files = 0;
@@ -403,9 +403,13 @@ clapper_app_application_command_line (GApplication *app, GApplicationCommandLine
 
   options = g_application_command_line_get_options_dict (cmd_line);
 
-  /* Enqueue only makes sense from remote invocation */
+  /* Some options only make sense from remote invocation */
-  if (g_application_command_line_get_is_remote (cmd_line))
+  if (g_application_command_line_get_is_remote (cmd_line)) {
+    if (g_variant_dict_contains (options, "new-window"))
+      window = GTK_WINDOW (clapper_app_window_new (GTK_APPLICATION (app)));
+
     app_opts.enqueue = g_variant_dict_contains (options, "enqueue");
+  }
 
   if (!g_variant_dict_lookup (options, "volume", "d", &app_opts.volume))
     app_opts.volume = -1;
@@ -425,9 +429,10 @@ clapper_app_application_command_line (GApplication *app, GApplicationCommandLine
     g_application_activate (app);
   }
 
+  if (!window)
     window = gtk_application_get_active_window (GTK_APPLICATION (app));
-  _apply_settings_to_window (self, CLAPPER_APP_WINDOW_CAST (window), &app_opts);
 
+  _apply_settings_to_window (self, CLAPPER_APP_WINDOW_CAST (window), &app_opts);
   _app_opts_free_contents (&app_opts);
 
   return EXIT_SUCCESS;
@@ -602,6 +607,7 @@ clapper_app_application_constructed (GObject *object)
   guint i;
 
   const GOptionEntry app_options[] = {
+    { "new-window", 'n', 0, G_OPTION_ARG_NONE, NULL, _("Create a new window"), NULL },
     { "enqueue", 0, 0, G_OPTION_ARG_NONE, NULL, _("Add media to queue in primary application instance"), NULL },
     { "volume", 0, 0, G_OPTION_ARG_DOUBLE, NULL, _("Audio volume to set (0 - 2.0 range)"), NULL },
     { "speed", 0, 0, G_OPTION_ARG_DOUBLE, NULL, _("Playback speed to set (0.05 - 2.0 range)"), NULL },

src/bin/clapper-app/clapper-app-window.c

@@ -74,6 +74,8 @@ struct _ClapperAppWindow
 #define parent_class clapper_app_window_parent_class
 G_DEFINE_TYPE (ClapperAppWindow, clapper_app_window, GTK_TYPE_APPLICATION_WINDOW)
 
+static guint16 instance_count = 0;
+
 static void
 _media_item_title_changed_cb (ClapperMediaItem *item,
     GParamSpec *pspec G_GNUC_UNUSED, ClapperAppWindow *self)
@@ -1008,14 +1010,18 @@ clapper_app_window_constructed (GObject *object)
 #if (CLAPPER_HAVE_MPRIS || CLAPPER_HAVE_SERVER || CLAPPER_HAVE_DISCOVERER)
   ClapperFeature *feature = NULL;
 #endif
+#if CLAPPER_HAVE_MPRIS
+  gchar mpris_name[45];
+  g_snprintf (mpris_name, sizeof (mpris_name),
+      "org.mpris.MediaPlayer2.Clapper.instance%" G_GUINT16_FORMAT, instance_count++);
+#endif
 
   self->settings = g_settings_new (CLAPPER_APP_ID);
   self->last_volume = PERCENTAGE_ROUND (g_settings_get_double (self->settings, "volume"));
 
 #if CLAPPER_HAVE_MPRIS
   feature = CLAPPER_FEATURE (clapper_mpris_new (
-      "org.mpris.MediaPlayer2.Clapper",
+      mpris_name, CLAPPER_APP_NAME, CLAPPER_APP_ID));
-      "Clapper", CLAPPER_APP_ID));
   clapper_mpris_set_queue_controllable (CLAPPER_MPRIS (feature), TRUE);
   clapper_player_add_feature (player, feature);
   gst_object_unref (feature);

src/bin/clapper-app/data/applications/com.github.rafostar.Clapper.desktop

@@ -14,3 +14,8 @@ Type=Application
 Keywords=Video;Movie;Film;Clip;Series;Player;Playlist;DVD;TV;Disc;Album;Music;GNOME;Clapper;
 # Translators: Do NOT translate or transliterate this text (these are enum types)!
 X-Purism-FormFactor=Workstation;Mobile;
+Actions=new-window;
+
+[Desktop Action new-window]
+Name=New Window
+Exec=clapper --new-window