[rhythmbox] source: display the source's status in its entry view

[Jonathan Matthew <jmatthew src gnome org>]

commit e1486cc867b1193a41d28d19255b0237f847e167
Author: Jonathan Matthew <jonathan d14n org>
Date:   Mon Oct 23 20:29:16 2017 +1000

    source: display the source's status in its entry view

 sources/rb-source.c |   34 ++++++++++++++++++++++++++++++++++
 1 files changed, 34 insertions(+), 0 deletions(-)
---
diff --git a/sources/rb-source.c b/sources/rb-source.c
index 9bd9b22..fd97752 100644
--- a/sources/rb-source.c
+++ b/sources/rb-source.c
@@ -71,6 +71,7 @@ static void default_add_to_queue (RBSource *source, RBSource *queue);
 static void default_move_to_trash (RBSource *source);
 static char *default_get_delete_label (RBSource *source);
 
+static void rb_source_status_changed_cb (RBDisplayPage *page);
 static void rb_source_post_entry_deleted_cb (GtkTreeModel *model,
                                             RhythmDBEntry *entry,
                                             RBSource *source);
@@ -107,6 +108,7 @@ struct _RBSourcePrivate
        guint hidden_when_empty : 1;
        guint update_visibility_id;
        guint update_status_id;
+       guint status_changed_idle_id;
        RhythmDBEntryType *entry_type;
        RBSourceLoadStatus load_status;
 
@@ -154,6 +156,7 @@ rb_source_class_init (RBSourceClass *klass)
 
        page_class->activate = default_activate;
        page_class->get_status = default_get_status;
+       page_class->status_changed = rb_source_status_changed_cb;
 
        klass->reset_filters = default_reset_filters;
        klass->get_property_views = default_get_property_views;
@@ -386,6 +389,10 @@ rb_source_dispose (GObject *object)
                g_source_remove (source->priv->update_status_id);
                source->priv->update_status_id = 0;
        }
+       if (source->priv->status_changed_idle_id != 0) {
+               g_source_remove (source->priv->status_changed_idle_id);
+               source->priv->status_changed_idle_id = 0;
+       }
 
        g_clear_object (&source->priv->settings);
        g_clear_object (&source->priv->toolbar_menu);
@@ -1493,6 +1500,33 @@ rb_source_get_playback_status (RBSource *source, char **text, float *progress)
                klass->get_playback_status (source, text, progress);
 }
 
+static gboolean
+status_changed_idle_cb (RBSource *source)
+{
+       RBEntryView *entry_view;
+       char *status = NULL;
+       gboolean busy = FALSE;
+
+       rb_display_page_get_status (RB_DISPLAY_PAGE (source), &status, &busy);
+
+       entry_view = rb_source_get_entry_view (source);
+       if (entry_view != NULL)
+               rb_entry_view_set_status (entry_view, status, busy);
+
+       g_free (status);
+       source->priv->status_changed_idle_id = 0;
+       return FALSE;
+}
+
+static void
+rb_source_status_changed_cb (RBDisplayPage *page)
+{
+       RBSource *source = RB_SOURCE (page);
+       if (source->priv->status_changed_idle_id == 0) {
+               source->priv->status_changed_idle_id =
+                       g_idle_add ((GSourceFunc) status_changed_idle_cb, source);
+       }
+}
 
 /* This should really be standard. */
 #define ENUM_ENTRY(NAME, DESC) { NAME, "" #NAME "", DESC }