[totem/wip/hadess/cmd-line-subtitles] main: Make it possible to load subtitles from the command-line

[Bastien Nocera <hadess src gnome org>]

commit 5d1f51d110654f728600bb50fc977ec4707265fc
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Feb 13 18:16:01 2019 +0100

    main: Make it possible to load subtitles from the command-line
    
    Make commands like:
    $ totem foo.srt foo.mov
    or:
    $ totem foo.mov foo.srt
    or:
    $ totem foo.mov
    followed by:
    $ totem foo.srt
    work as expected.
    
    Closes: #256

 src/totem-object.c  | 47 ++++++++++++++++++++++++++++++++++++-----------
 src/totem-private.h |  1 +
 2 files changed, 37 insertions(+), 11 deletions(-)
---
diff --git a/src/totem-object.c b/src/totem-object.c
index 34a51cce7..f24b1b7c6 100644
--- a/src/totem-object.c
+++ b/src/totem-object.c
@@ -1780,6 +1780,14 @@ update_mrl_label (TotemObject *totem, const char *name)
                g_object_set (totem->header, "title", totem->player_title, NULL);
 }
 
+static void
+totem_object_set_next_subtitle (TotemObject *totem,
+                               const char  *subtitle)
+{
+       g_clear_pointer (&totem->next_subtitle, g_free);
+       totem->next_subtitle = g_strdup (subtitle);
+}
+
 /**
  * totem_object_set_mrl:
  * @totem: a #TotemObject
@@ -1851,8 +1859,15 @@ totem_object_set_mrl (TotemObject *totem,
 
                g_application_mark_busy (G_APPLICATION (totem));
                bacon_video_widget_open (totem->bvw, mrl);
-               bacon_video_widget_set_text_subtitle (totem->bvw, subtitle ? subtitle : autoload_sub);
-               g_free (autoload_sub);
+               if (subtitle) {
+                       bacon_video_widget_set_text_subtitle (totem->bvw, subtitle);
+               } else if (autoload_sub) {
+                       bacon_video_widget_set_text_subtitle (totem->bvw, autoload_sub);
+                       g_free (autoload_sub);
+               } else {
+                       totem_playlist_set_current_subtitle (totem->playlist, totem->next_subtitle);
+                       totem_object_set_next_subtitle (totem, NULL);
+               }
                g_application_unmark_busy (G_APPLICATION (totem));
                totem->mrl = g_strdup (mrl);
 
@@ -2816,18 +2831,28 @@ totem_object_remote_command (TotemObject *totem, TotemRemoteCommand cmd, const c
                break;
        case TOTEM_REMOTE_COMMAND_ENQUEUE:
                g_assert (url != NULL);
-               totem_playlist_add_mrl (totem->playlist, url, NULL, TRUE, NULL, NULL, NULL);
+               if (!totem_uri_is_subtitle (url))
+                       totem_playlist_add_mrl (totem->playlist, url, NULL, TRUE, NULL, NULL, NULL);
+               else
+                       totem_object_set_next_subtitle (totem, url);
                break;
        case TOTEM_REMOTE_COMMAND_REPLACE:
-               totem_playlist_clear (totem->playlist);
-               if (url == NULL) {
-                       bacon_video_widget_close (totem->bvw);
-                       emit_file_closed (totem);
-                       totem->has_played_emitted = FALSE;
-                       totem_object_set_mrl (totem, NULL, NULL);
-                       break;
+               if (url == NULL ||
+                   !totem_uri_is_subtitle (url)) {
+                       totem_playlist_clear (totem->playlist);
+                       if (url == NULL) {
+                               bacon_video_widget_close (totem->bvw);
+                               emit_file_closed (totem);
+                               totem->has_played_emitted = FALSE;
+                               totem_object_set_mrl (totem, NULL, NULL);
+                               break;
+                       }
+                       totem_playlist_add_mrl (totem->playlist, url, NULL, TRUE, NULL, NULL, NULL);
+               } else if (totem->mrl != NULL) {
+                       totem_playlist_set_current_subtitle (totem->playlist, url);
+               } else {
+                       totem_object_set_next_subtitle (totem, url);
                }
-               totem_playlist_add_mrl (totem->playlist, url, NULL, TRUE, NULL, NULL, NULL);
                break;
        case TOTEM_REMOTE_COMMAND_SHOW:
                gtk_window_present_with_time (GTK_WINDOW (totem->win), GDK_CURRENT_TIME);
diff --git a/src/totem-private.h b/src/totem-private.h
index 2eee4d886..d574da284 100644
--- a/src/totem-private.h
+++ b/src/totem-private.h
@@ -145,6 +145,7 @@ struct _TotemObject {
 
        /* other */
        char *mrl;
+       char *next_subtitle;
        TotemPlaylist *playlist;
        GSettings *settings;
        TotemStates state;