ozone/platform/wayland: Implement pointer handling

ui/ozone/platform/wayland/wayland_object.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/ozone/platform/wayland/wayland_object.h"
 
 #include <wayland-client.h>
 #include <xdg-shell-unstable-v5-client-protocol.h>
 
 namespace wl {
+namespace {
+
+void delete_pointer(wl_pointer* pointer) {
+  if (wl_pointer_get_version(pointer) >= WL_POINTER_RELEASE_SINCE_VERSION)
+    wl_pointer_release(pointer);
+  else
+    wl_pointer_destroy(pointer);
+}
+
+void delete_seat(wl_seat* seat) {
+  if (wl_seat_get_version(seat) >= WL_SEAT_RELEASE_SINCE_VERSION)
+    wl_seat_release(seat);
+  else
+    wl_seat_destroy(seat);
+}
+
+}  // namespace
 
 const wl_interface* ObjectTraits<wl_buffer>::interface = &wl_buffer_interface;
 void (*ObjectTraits<wl_buffer>::deleter)(wl_buffer*) = &wl_buffer_destroy;
 
 const wl_interface* ObjectTraits<wl_compositor>::interface =
     &wl_compositor_interface;
 void (*ObjectTraits<wl_compositor>::deleter)(wl_compositor*) =
     &wl_compositor_destroy;
 
 const wl_interface* ObjectTraits<wl_display>::interface = &wl_display_interface;
 void (*ObjectTraits<wl_display>::deleter)(wl_display*) = &wl_display_disconnect;
 
+const wl_interface* ObjectTraits<wl_pointer>::interface = &wl_pointer_interface;
+void (*ObjectTraits<wl_pointer>::deleter)(wl_pointer*) = &delete_pointer;
+
 const wl_interface* ObjectTraits<wl_registry>::interface =
     &wl_registry_interface;
 void (*ObjectTraits<wl_registry>::deleter)(wl_registry*) = &wl_registry_destroy;
 
+const wl_interface* ObjectTraits<wl_seat>::interface = &wl_seat_interface;
+void (*ObjectTraits<wl_seat>::deleter)(wl_seat*) = &delete_seat;
+
 const wl_interface* ObjectTraits<wl_shm>::interface = &wl_shm_interface;
 void (*ObjectTraits<wl_shm>::deleter)(wl_shm*) = &wl_shm_destroy;
 
 const wl_interface* ObjectTraits<wl_shm_pool>::interface =
     &wl_shm_pool_interface;
 void (*ObjectTraits<wl_shm_pool>::deleter)(wl_shm_pool*) = &wl_shm_pool_destroy;
 
 const wl_interface* ObjectTraits<wl_surface>::interface = &wl_surface_interface;
 void (*ObjectTraits<wl_surface>::deleter)(wl_surface*) = &wl_surface_destroy;
 
 const wl_interface* ObjectTraits<xdg_shell>::interface = &xdg_shell_interface;
 void (*ObjectTraits<xdg_shell>::deleter)(xdg_shell*) = &xdg_shell_destroy;
 
 const wl_interface* ObjectTraits<xdg_surface>::interface =
     &xdg_surface_interface;
 void (*ObjectTraits<xdg_surface>::deleter)(xdg_surface*) = &xdg_surface_destroy;
 
 }  // namespace wl