src/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/root_window.h"
   8 #include "ui/aura/window_property.h"
   9
  10 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, aura::Window*)
  11 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::FocusClient*)
  12
  13 namespace aura {
  14 namespace client {
  15
  16 DEFINE_WINDOW_PROPERTY_KEY(FocusClient*, kRootWindowFocusClientKey, NULL);
  17
  18 void SetFocusClient(Window* root_window, FocusClient* client) {
  19   DCHECK_EQ(root_window->GetRootWindow(), root_window);
  20   root_window->SetProperty(kRootWindowFocusClientKey, client);
  21 }
  22
  23 FocusClient* GetFocusClient(Window* window) {
  24   return GetFocusClient(static_cast<const Window*>(window));
  25 }
  26
  27 FocusClient* GetFocusClient(const Window* window) {
  28   const Window* root_window = window->GetRootWindow();
  29   return root_window ?
  30       root_window->GetProperty(kRootWindowFocusClientKey) : NULL;
  31 }
  32
  33 }  // namespace client
  34 }  // namespace aura