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#ifndef CHROME_BROWSER_UI_HOST_DESKTOP_H_
6#define CHROME_BROWSER_UI_HOST_DESKTOP_H_
7
8#include "ui/gfx/native_widget_types.h"
9
10class Browser;
11
12namespace chrome {
13
14// A value that specifies what desktop environment hosts a particular piece of
15// UI. You should almost never manually hardcode one of these enums manually,
16// please refer to the following document for details on getting the right
17// HostDesktopType:
18// http://sites.google.com/a/chromium.org/dev/developers/design-documents/aura/multi-desktop
19enum HostDesktopType {
20  HOST_DESKTOP_TYPE_FIRST = 0,
21
22  // The UI is hosted on the system native desktop.
23  HOST_DESKTOP_TYPE_NATIVE = HOST_DESKTOP_TYPE_FIRST,
24
25  // The UI is hosted in the synthetic Ash desktop.
26#if defined(OS_CHROMEOS)
27  HOST_DESKTOP_TYPE_ASH = HOST_DESKTOP_TYPE_NATIVE,
28#else
29  HOST_DESKTOP_TYPE_ASH,
30#endif
31
32  HOST_DESKTOP_TYPE_COUNT
33};
34
35HostDesktopType GetHostDesktopTypeForNativeView(gfx::NativeView native_view);
36HostDesktopType GetHostDesktopTypeForNativeWindow(
37    gfx::NativeWindow native_window);
38
39// Returns the type of host desktop most likely to be in use.  This is the one
40// most recently activated by the user.
41// You should almost never use this outside of tests, please refer to the
42// following document for details on getting the right HostDesktopType:
43// http://sites.google.com/a/chromium.org/dev/developers/design-documents/aura/multi-desktop
44HostDesktopType GetActiveDesktop();
45
46}  // namespace chrome
47
48#endif  // CHROME_BROWSER_UI_HOST_DESKTOP_H_
49