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      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/capture_client.h"
      6 
      7 #include "ui/aura/root_window.h"
      8 #include "ui/aura/window_property.h"
      9 
     10 DECLARE_WINDOW_PROPERTY_TYPE(aura::client::CaptureClient*)
     11 
     12 namespace aura {
     13 namespace client {
     14 
     15 DEFINE_WINDOW_PROPERTY_KEY(
     16     CaptureClient*, kRootWindowCaptureClientKey, NULL);
     17 
     18 void SetCaptureClient(Window* root_window, CaptureClient* client) {
     19   root_window->SetProperty(kRootWindowCaptureClientKey, client);
     20 }
     21 
     22 CaptureClient* GetCaptureClient(Window* root_window) {
     23   return root_window ?
     24       root_window->GetProperty(kRootWindowCaptureClientKey) : NULL;
     25 }
     26 
     27 Window* GetCaptureWindow(Window* window) {
     28   Window* root_window = window->GetRootWindow();
     29   if (!root_window)
     30     return NULL;
     31   CaptureClient* capture_client = GetCaptureClient(root_window);
     32   return capture_client ? capture_client->GetCaptureWindow() : NULL;
     33 }
     34 
     35 }  // namespace client
     36 }  // namespace aura
     37