[nautilus] special-location-bar: Add trash bar

[António Fernandes <antoniof src gnome org>]

commit a83b9573e41610baf13f1a21c8fe488a2bb068a4
Author: Ignacy Kuchciński <ignacykuchcinski gmail com>
Date:   Fri Aug 12 13:01:27 2022 +0200

    special-location-bar: Add trash bar
    
    After removing the separate trash bar, let's roll it into special
    location bar, as it only has 1 button now.

 src/nautilus-special-location-bar.c | 70 ++++++++++++++++++++++++++++++++++++-
 src/nautilus-special-location-bar.h |  1 +
 src/nautilus-window-slot.c          | 38 ++++++++++++++++++++
 3 files changed, 108 insertions(+), 1 deletion(-)
---
diff --git a/src/nautilus-special-location-bar.c b/src/nautilus-special-location-bar.c
index 2c4c5d510..ae976454c 100644
--- a/src/nautilus-special-location-bar.c
+++ b/src/nautilus-special-location-bar.c
@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include "nautilus-dbus-launcher.h"
+#include "nautilus-global-preferences.h"
 #include "nautilus-special-location-bar.h"
 #include "nautilus-enum-types.h"
 
@@ -46,6 +47,7 @@ enum
 enum
 {
     SPECIAL_LOCATION_SHARING_RESPONSE = 1,
+    SPECIAL_LOCATION_TRASH_RESPONSE = 2,
 };
 
 G_DEFINE_TYPE (NautilusSpecialLocationBar, nautilus_special_location_bar, ADW_TYPE_BIN)
@@ -56,6 +58,7 @@ on_info_bar_response (GtkInfoBar *infobar,
                       gpointer    user_data)
 {
     NautilusSpecialLocationBar *bar = user_data;
+    GtkRoot *window = gtk_widget_get_root (GTK_WIDGET (bar));
 
     switch (bar->button_response)
     {
@@ -68,7 +71,20 @@ on_info_bar_response (GtkInfoBar *infobar,
             nautilus_dbus_launcher_call (nautilus_dbus_launcher_get (),
                                          NAUTILUS_DBUS_LAUNCHER_SETTINGS,
                                          "Activate",
-                                         parameters, NULL);
+                                         parameters, GTK_WINDOW (window));
+        }
+        break;
+
+        case SPECIAL_LOCATION_TRASH_RESPONSE:
+        {
+            GVariant *parameters;
+
+            parameters = g_variant_new_parsed ("('launch-panel', [<('usage', @av [])>], "
+                                               "@a{sv} {})");
+            nautilus_dbus_launcher_call (nautilus_dbus_launcher_get (),
+                                         NAUTILUS_DBUS_LAUNCHER_SETTINGS,
+                                         "Activate",
+                                         parameters, GTK_WINDOW (window));
         }
         break;
 
@@ -79,6 +95,45 @@ on_info_bar_response (GtkInfoBar *infobar,
     }
 }
 
+static gchar *
+parse_old_files_age_preferences_value (void)
+{
+    guint old_files_age = g_settings_get_uint (gnome_privacy_preferences, "old-files-age");
+
+    switch (old_files_age)
+    {
+        case 0:
+        {
+            return g_strdup (_("Items in Trash older than 1 hour are automatically deleted"));
+        }
+
+        default:
+        {
+            return g_strdup_printf (ngettext ("Items in Trash older than %d day are automatically deleted",
+                                              "Items in Trash older than %d days are automatically deleted",
+                                              old_files_age),
+                                    old_files_age);
+        }
+    }
+}
+
+static void
+old_files_age_preferences_changed (GSettings *settings,
+                                   gchar     *key,
+                                   gpointer   user_data)
+{
+    NautilusSpecialLocationBar *bar;
+    g_autofree gchar *message = NULL;
+
+    g_assert (NAUTILUS_IS_SPECIAL_LOCATION_BAR (user_data));
+
+    bar = NAUTILUS_SPECIAL_LOCATION_BAR (user_data);
+
+    message = parse_old_files_age_preferences_value ();
+
+    gtk_label_set_text (GTK_LABEL (bar->label), message);
+}
+
 static void
 set_special_location (NautilusSpecialLocationBar *bar,
                       NautilusSpecialLocation     location)
@@ -110,6 +165,19 @@ set_special_location (NautilusSpecialLocationBar *bar,
         }
         break;
 
+        case NAUTILUS_SPECIAL_LOCATION_TRASH:
+        {
+            message = parse_old_files_age_preferences_value ();
+            button_label = _("_Settings");
+            bar->button_response = SPECIAL_LOCATION_TRASH_RESPONSE;
+
+            g_signal_connect_object (gnome_privacy_preferences,
+                                     "changed::old-files-age",
+                                     G_CALLBACK (old_files_age_preferences_changed),
+                                     bar, 0);
+        }
+        break;
+
         default:
         {
             g_assert_not_reached ();
diff --git a/src/nautilus-special-location-bar.h b/src/nautilus-special-location-bar.h
index 3680b58f0..52d67e3ca 100644
--- a/src/nautilus-special-location-bar.h
+++ b/src/nautilus-special-location-bar.h
@@ -31,6 +31,7 @@ typedef enum {
     NAUTILUS_SPECIAL_LOCATION_TEMPLATES,
     NAUTILUS_SPECIAL_LOCATION_SCRIPTS,
     NAUTILUS_SPECIAL_LOCATION_SHARING,
+    NAUTILUS_SPECIAL_LOCATION_TRASH,
 } NautilusSpecialLocation;
 
 GtkWidget      *nautilus_special_location_bar_new (NautilusSpecialLocation location);
diff --git a/src/nautilus-window-slot.c b/src/nautilus-window-slot.c
index b06af53ca..64ab6293d 100644
--- a/src/nautilus-window-slot.c
+++ b/src/nautilus-window-slot.c
@@ -1101,6 +1101,34 @@ recursive_search_preferences_changed (GSettings *settings,
     update_search_information (self);
 }
 
+static void
+remove_old_trash_files_preferences_changed (GSettings *settings,
+                                            gchar     *key,
+                                            gpointer   callback_data)
+{
+    NautilusWindowSlot *self;
+    GFile *location;
+    g_autoptr (NautilusDirectory) directory = NULL;
+
+    g_assert (NAUTILUS_IS_WINDOW_SLOT (callback_data));
+
+    self = NAUTILUS_WINDOW_SLOT (callback_data);
+    location = nautilus_window_slot_get_current_location (self);
+    directory = nautilus_directory_get (location);
+
+    if (nautilus_directory_is_in_trash (directory))
+    {
+        if (g_settings_get_boolean (gnome_privacy_preferences, "remove-old-trash-files"))
+        {
+            nautilus_window_slot_setup_extra_location_widgets (self);
+        }
+        else
+        {
+            nautilus_window_slot_remove_extra_location_widgets (self);
+        }
+    }
+}
+
 static void
 nautilus_window_slot_init (NautilusWindowSlot *self)
 {
@@ -1119,6 +1147,11 @@ nautilus_window_slot_init (NautilusWindowSlot *self)
                              G_CALLBACK (recursive_search_preferences_changed),
                              self, 0);
 
+    g_signal_connect_object (gnome_privacy_preferences,
+                             "changed::remove-old-trash-files",
+                             G_CALLBACK (remove_old_trash_files_preferences_changed),
+                             self, 0);
+
     self->slot_action_group = G_ACTION_GROUP (g_simple_action_group_new ());
     g_action_map_add_action_entries (G_ACTION_MAP (self->slot_action_group),
                                      slot_entries,
@@ -2670,6 +2703,11 @@ nautilus_window_slot_setup_extra_location_widgets (NautilusWindowSlot *self)
     {
         nautilus_window_slot_show_special_location_bar (self, NAUTILUS_SPECIAL_LOCATION_SHARING);
     }
+    else if (nautilus_directory_is_in_trash (directory) &&
+             g_settings_get_boolean (gnome_privacy_preferences, "remove-old-trash-files"))
+    {
+        nautilus_window_slot_show_special_location_bar (self, NAUTILUS_SPECIAL_LOCATION_TRASH);
+    }
 
     g_object_unref (scripts_file);
     nautilus_file_unref (file);