ui/aura/client/focus_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/aura/client/focus_client.h"
   6
   7 #include "ui/aura/window_event_dispatcher.h"
   8 #include "ui/aura/window_property.h"
   9
  10 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::FocusClient*)
  11
  12 namespace aura {
  13 namespace client {
  14
  15 DEFINE_WINDOW_PROPERTY_KEY(FocusClient*, kRootWindowFocusClientKey, NULL);
  16
  17 void SetFocusClient(Window* root_window, FocusClient* client) {
  18   DCHECK_EQ(root_window->GetRootWindow(), root_window);
  19   root_window->SetProperty(kRootWindowFocusClientKey, client);
  20 }
  21
  22 FocusClient* GetFocusClient(Window* window) {
  23   return GetFocusClient(static_cast<const Window*>(window));
  24 }
  25
  26 FocusClient* GetFocusClient(const Window* window) {
  27   const Window* root_window = window->GetRootWindow();
  28   return root_window ?
  29       root_window->GetProperty(kRootWindowFocusClientKey) : NULL;
  30 }
  31
  32 }  // namespace client
  33 }  // namespace aura