|  | // Copyright (c) 2012 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 "chrome/browser/platform_util.h" | 
|  |  | 
|  | #include "base/logging.h" | 
|  | #include "ui/aura/window.h" | 
|  |  | 
|  | #if defined(USE_ASH) | 
|  | #include "ash/wm/window_util.h" | 
|  | #endif | 
|  |  | 
|  | namespace platform_util { | 
|  |  | 
|  | gfx::NativeWindow GetTopLevel(gfx::NativeView view) { | 
|  | return view->GetToplevelWindow(); | 
|  | } | 
|  |  | 
|  | gfx::NativeView GetViewForWindow(gfx::NativeWindow window) { | 
|  | DCHECK(window); | 
|  | return window; | 
|  | } | 
|  |  | 
|  | gfx::NativeView GetParent(gfx::NativeView view) { | 
|  | return view->parent(); | 
|  | } | 
|  |  | 
|  | bool IsWindowActive(gfx::NativeWindow window) { | 
|  | #if defined(USE_ASH) | 
|  | return ash::wm::IsActiveWindow(window); | 
|  | #else | 
|  | NOTIMPLEMENTED(); | 
|  | return false; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | void ActivateWindow(gfx::NativeWindow window) { | 
|  | #if defined(USE_ASH) | 
|  | ash::wm::ActivateWindow(window); | 
|  | #else | 
|  | NOTIMPLEMENTED(); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | bool IsVisible(gfx::NativeView view) { | 
|  | return view->IsVisible(); | 
|  | } | 
|  |  | 
|  | }  // namespace platform_util |