[nautilus] trash-bar: Add autodelete label

[António Fernandes <antoniof src gnome org>]

commit 4e02d0ffbde23d59e84a66c9d5cf1e88b76135e9
Author: Eric <8319652+edaigle users noreply github com>
Date:   Thu Jul 8 11:01:15 2021 -0400

    trash-bar: Add autodelete label
    
    Nautilus currently provides no indication that GNOME Settings allows
    users to configure automatic emptying of the trash. This commit adds
    a subtitle to the trash bar, informing users whether or not automatic
    emptying is currently enabled.
    
    Relates: https://gitlab.gnome.org/GNOME/nautilus/-/issues/1790

 src/nautilus-global-preferences.c |  2 ++
 src/nautilus-global-preferences.h |  1 +
 src/nautilus-trash-bar.c          | 13 +++++++++++++
 3 files changed, 16 insertions(+)
---
diff --git a/src/nautilus-global-preferences.c b/src/nautilus-global-preferences.c
index 8fc9baadf..d24db28c3 100644
--- a/src/nautilus-global-preferences.c
+++ b/src/nautilus-global-preferences.c
@@ -41,6 +41,7 @@ GSettings *gtk_filechooser_preferences;
 GSettings *gnome_lockdown_preferences;
 GSettings *gnome_background_preferences;
 GSettings *gnome_interface_preferences;
+GSettings *gnome_privacy_preferences;
 
 void
 nautilus_global_preferences_init (void)
@@ -65,4 +66,5 @@ nautilus_global_preferences_init (void)
     gnome_lockdown_preferences = g_settings_new ("org.gnome.desktop.lockdown");
     gnome_background_preferences = g_settings_new ("org.gnome.desktop.background");
     gnome_interface_preferences = g_settings_new ("org.gnome.desktop.interface");
+    gnome_privacy_preferences = g_settings_new ("org.gnome.desktop.privacy");
 }
diff --git a/src/nautilus-global-preferences.h b/src/nautilus-global-preferences.h
index 2e8753b3c..6f098b6b8 100644
--- a/src/nautilus-global-preferences.h
+++ b/src/nautilus-global-preferences.h
@@ -152,5 +152,6 @@ extern GSettings *gtk_filechooser_preferences;
 extern GSettings *gnome_lockdown_preferences;
 extern GSettings *gnome_background_preferences;
 extern GSettings *gnome_interface_preferences;
+extern GSettings *gnome_privacy_preferences;
 
 G_END_DECLS
diff --git a/src/nautilus-trash-bar.c b/src/nautilus-trash-bar.c
index ae7b423be..4f7d7e2d9 100644
--- a/src/nautilus-trash-bar.c
+++ b/src/nautilus-trash-bar.c
@@ -25,11 +25,13 @@
 
 #include "nautilus-trash-bar.h"
 
+#include "nautilus-global-preferences.h"
 #include "nautilus-files-view.h"
 #include "nautilus-file-operations.h"
 #include "nautilus-file-utilities.h"
 #include "nautilus-file.h"
 #include "nautilus-trash-monitor.h"
+#include "nautilus-ui-utilities.h"
 
 enum
 {
@@ -188,6 +190,7 @@ nautilus_trash_bar_init (NautilusTrashBar *bar)
 {
     GtkWidget *content_area, *action_area, *w;
     GtkWidget *label;
+    GtkWidget *subtitle;
     PangoAttrList *attrs;
 
     content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (bar));
@@ -202,9 +205,19 @@ nautilus_trash_bar_init (NautilusTrashBar *bar)
     gtk_label_set_attributes (GTK_LABEL (label), attrs);
     pango_attr_list_unref (attrs);
 
+    subtitle = gtk_label_new (_("Trashed items are automatically deleted after a period of time"));
+
+    g_settings_bind (gnome_privacy_preferences,
+                     "remove-old-trash-files",
+                     subtitle,
+                     "visible",
+                     G_SETTINGS_BIND_GET);
+
     gtk_widget_show (label);
     gtk_container_add (GTK_CONTAINER (content_area), label);
 
+    gtk_container_add (GTK_CONTAINER (content_area), subtitle);
+
     w = gtk_info_bar_add_button (GTK_INFO_BAR (bar),
                                  _("_Restore"),
                                  TRASH_BAR_RESPONSE_RESTORE);