exo: Implement version 7 of remote shell interface.

components/exo/wayland/server.cc

 // Copyright 2015 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 "components/exo/wayland/server.h"
 
 #include <grp.h>
 #include <linux/input.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 1668 matching lines @@
     case ash::wm::WINDOW_STATE_TYPE_FULLSCREEN:
       zwp_remote_surface_v1_send_unset_fullscreen(resource);
       break;
     case ash::wm::WINDOW_STATE_TYPE_PINNED:
       if (wl_resource_get_version(resource) >= 3)
         zwp_remote_surface_v1_send_unset_pinned(resource);
       break;
     default:
       break;
   }
+
+  uint32_t state_type = ZWP_REMOTE_SHELL_V1_STATE_TYPE_NORMAL;
   switch (new_state_type) {
     case ash::wm::WINDOW_STATE_TYPE_MINIMIZED:
+      state_type = ZWP_REMOTE_SHELL_V1_STATE_TYPE_MINIMIZED;
       if (wl_resource_get_version(resource) >= 2)
         zwp_remote_surface_v1_send_set_minimized(resource);
       break;
     case ash::wm::WINDOW_STATE_TYPE_MAXIMIZED:
+      state_type = ZWP_REMOTE_SHELL_V1_STATE_TYPE_MAXIMIZED;
       if (wl_resource_get_version(resource) >= 2)
         zwp_remote_surface_v1_send_set_maximized(resource);
       break;
     case ash::wm::WINDOW_STATE_TYPE_FULLSCREEN:
+      state_type = ZWP_REMOTE_SHELL_V1_STATE_TYPE_FULLSCREEN;
       zwp_remote_surface_v1_send_set_fullscreen(resource);
       break;
     case ash::wm::WINDOW_STATE_TYPE_PINNED:
+      state_type = ZWP_REMOTE_SHELL_V1_STATE_TYPE_PINNED;
       if (wl_resource_get_version(resource) >= 3)
         zwp_remote_surface_v1_send_set_pinned(resource);
       break;
     default:
       break;
   }
+
+  if (wl_resource_get_version(resource) >= 7)
+    zwp_remote_surface_v1_send_state_type_changed(resource, state_type);
+
   wl_client_flush(wl_resource_get_client(resource));
 }
 
 void remote_shell_get_remote_surface(wl_client* client,
                                      wl_resource* resource,
                                      uint32_t id,
                                      wl_resource* surface,
                                      uint32_t container) {
   std::unique_ptr<ShellSurface> shell_surface =
       GetUserDataAs<WaylandRemoteShell>(resource)->CreateShellSurface(
@@ skipping 1118 matching lines @@
   DCHECK(event_loop);
   wl_event_loop_dispatch(event_loop, timeout.InMilliseconds());
 }
 
 void Server::Flush() {
   wl_display_flush_clients(wl_display_.get());
 }
 
 }  // namespace wayland
 }  // namespace exo