ui/aura/client/window_tree_client.cc

   1 // Copyright (c) 2013 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/window_tree_client.h"
   6
   7 #include "ui/aura/env.h"
   8 #include "ui/aura/window_event_dispatcher.h"
   9 #include "ui/aura/window_property.h"
  10
  11 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::WindowTreeClient*)
  12
  13 namespace aura {
  14 namespace client {
  15
  16 DEFINE_WINDOW_PROPERTY_KEY(
  17     WindowTreeClient*, kRootWindowWindowTreeClientKey, NULL);
  18
  19 void SetWindowTreeClient(Window* window, WindowTreeClient* window_tree_client) {
  20   DCHECK(window);
  21
  22   Window* root_window = window->GetRootWindow();
  23   DCHECK(root_window);
  24   root_window->SetProperty(kRootWindowWindowTreeClientKey, window_tree_client);
  25 }
  26
  27 WindowTreeClient* GetWindowTreeClient(Window* window) {
  28   DCHECK(window);
  29   Window* root_window = window->GetRootWindow();
  30   DCHECK(root_window);
  31   WindowTreeClient* client =
  32       root_window->GetProperty(kRootWindowWindowTreeClientKey);
  33   DCHECK(client);
  34   return client;
  35 }
  36
  37 void ParentWindowWithContext(Window* window,
  38                              Window* context,
  39                              const gfx::Rect& screen_bounds) {
  40   DCHECK(context);
  41
  42   // |context| must be attached to a hierarchy with a WindowTreeClient.
  43   WindowTreeClient* client = GetWindowTreeClient(context);
  44   DCHECK(client);
  45   Window* default_parent =
  46       client->GetDefaultParent(context, window, screen_bounds);
  47   default_parent->AddChild(window);
  48 }
  49
  50 }  // namespace client
  51 }  // namespace aura