+ if(!IsUp())
+ {
+ return false;
+ }
+
+ // Only window accessible is able to grab and clear highlight
+ if(!mRoot)
+ {
+ return false;
+ }
+
+ auto self = Self();
+ auto oldHighlightedActor = GetCurrentlyHighlightedActor();
+ if(self == oldHighlightedActor)
+ {
+ return true;
+ }
+
+ // Clear the old highlight.
+ if(oldHighlightedActor)
+ {
+ auto oldHighlightedObject = Dali::Accessibility::Component::DownCast(Accessible::Get(oldHighlightedActor));
+ if(oldHighlightedObject)
+ {
+ oldHighlightedObject->ClearHighlight();
+ }
+ }
+
+ SetCurrentlyHighlightedActor(self);
+
+ auto window = Dali::DevelWindow::Get(self);
+ Dali::Internal::Adaptor::Window& windowImpl = Dali::GetImplementation(window);
+ windowImpl.EmitAccessibilityHighlightSignal(true);
+
+ return true;