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// 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.
#ifndef CHROME_BROWSER_UI_HOST_DESKTOP_H_
#define CHROME_BROWSER_UI_HOST_DESKTOP_H_
#include "ui/gfx/native_widget_types.h"
class Browser;
namespace chrome {
// A value that specifies what desktop environment hosts a particular piece of
// UI.
// Note that HOST_DESKTOP_TYPE_ASH is always used on ChromeOS.
enum HostDesktopType {
HOST_DESKTOP_TYPE_FIRST = 0,
// The UI is hosted on the system native desktop.
HOST_DESKTOP_TYPE_NATIVE = HOST_DESKTOP_TYPE_FIRST,
// The UI is hosted in the synthetic Ash desktop.
#if defined(OS_CHROMEOS)
HOST_DESKTOP_TYPE_ASH = HOST_DESKTOP_TYPE_NATIVE,
#else
HOST_DESKTOP_TYPE_ASH,
#endif
HOST_DESKTOP_TYPE_COUNT
};
// Used during initialization to override parenting.
class ScopedForceDesktopType {
public:
explicit ScopedForceDesktopType(HostDesktopType type);
~ScopedForceDesktopType();
private:
HostDesktopType previous_type_;
bool previous_force_;
DISALLOW_COPY_AND_ASSIGN(ScopedForceDesktopType);
};
HostDesktopType GetHostDesktopTypeForNativeView(gfx::NativeView native_view);
HostDesktopType GetHostDesktopTypeForNativeWindow(
gfx::NativeWindow native_window);
HostDesktopType GetHostDesktopTypeForBrowser(const Browser* browser);
// Returns the type of host desktop most likely to be in use. This is the one
// most recently activated by the user.
HostDesktopType GetActiveDesktop();
} // namespace chrome
#endif // CHROME_BROWSER_UI_HOST_DESKTOP_H_
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