From 52c1fb8dfed7a60db9aab756d1c067234b508316 Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@gnome.org>
Date: Fri, 17 Jul 2020 14:31:02 +0100
Subject: [PATCH] a11y: Implement role and state change in GtkSwitch

Set the "switch" role, and update the "checked" state when the :active
property is toggled.
---
 gtk/gtkswitch.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gtk/gtkswitch.c b/gtk/gtkswitch.c
index 64e9cc379b..9e4aff1bcb 100644
--- a/gtk/gtkswitch.c
+++ b/gtk/gtkswitch.c
@@ -606,6 +606,8 @@ gtk_switch_class_init (GtkSwitchClass *klass)
   g_object_class_override_property (gobject_class, PROP_ACTION_TARGET, "action-target");
 
   gtk_widget_class_set_css_name (widget_class, I_("switch"));
+
+  gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_SWITCH);
 }
 
 static void
@@ -700,6 +702,10 @@ gtk_switch_set_active (GtkSwitch *self,
 
       g_object_notify_by_pspec (G_OBJECT (self), switch_props[PROP_ACTIVE]);
 
+      gtk_accessible_update_state (GTK_ACCESSIBLE (self),
+                                   GTK_ACCESSIBLE_STATE_CHECKED, is_active,
+                                   -1);
+
       gtk_widget_queue_allocate (GTK_WIDGET (self));
     }
 }