[nautilus] pathbar: Show trash icon

[António Fernandes <antoniof src gnome org>]

commit 95a11f8ce23f9d7023c0494a9a3aaab8e8c4d2d8
Author: Yi-Soo An <yisooan gmail com>
Date:   Thu Aug 23 15:47:47 2018 +0900

    pathbar: Show trash icon
    
    Currently the pathbar in trash shows a slash instead of
    the trash icon at the start.
    
    It could cause a misunderstanding of where users are now.
    
    To fix this issue, it shows the icon.
    
    Fixes: https://gitlab.gnome.org/GNOME/nautilus/issues/567

 src/nautilus-pathbar.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/src/nautilus-pathbar.c b/src/nautilus-pathbar.c
index f68fec56b..295655f01 100644
--- a/src/nautilus-pathbar.c
+++ b/src/nautilus-pathbar.c
@@ -51,6 +51,7 @@ typedef enum
     STARRED_BUTTON,
     RECENT_BUTTON,
     MOUNT_BUTTON,
+    TRASH_BUTTON,
 } ButtonType;
 
 #define BUTTON_DATA(x) ((ButtonData *) (x))
@@ -1288,6 +1289,11 @@ get_gicon (ButtonData *button_data)
             return g_themed_icon_new ("list-add-symbolic");
         }
 
+        case TRASH_BUTTON:
+        {
+            return nautilus_trash_monitor_get_symbolic_icon ();
+        }
+
         default:
             return NULL;
     }
@@ -1401,6 +1407,11 @@ setup_button_type (ButtonData      *button_data,
         button_data->type = ADMIN_ROOT_BUTTON;
         button_data->is_root = TRUE;
     }
+    else if (strcmp (uri, "trash:///") == 0)
+    {
+        button_data->type = TRASH_BUTTON;
+        button_data->is_root = TRUE;
+    }
     else
     {
         button_data->type = NORMAL_BUTTON;
@@ -1573,6 +1584,7 @@ make_button_data (NautilusPathBar *self,
         case ADMIN_ROOT_BUTTON:
         case HOME_BUTTON:
         case MOUNT_BUTTON:
+        case TRASH_BUTTON:
         case RECENT_BUTTON:
         case STARRED_BUTTON:
         case OTHER_LOCATIONS_BUTTON: