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// Copyright (c) 2011 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 UI_AURA_FOCUS_MANAGER_H_
#define UI_AURA_FOCUS_MANAGER_H_
#pragma once
#include "base/basictypes.h"
namespace aura {
class Window;
namespace internal {
// An interface implemented by the RootWindow to expose the focused window and
// allow for it to be changed.
class FocusManager {
public:
// Sets the currently focused window. Before the currently focused window is
// changed, the previous focused window's delegate is sent a blur
// notification, and after it is changed the new focused window is sent a
// focused notification. Nothing happens if |window| and GetFocusedWindow()
// match.
virtual void SetFocusedWindow(Window* window) = 0;
// Returns the currently focused window or NULL if there is none.
virtual Window* GetFocusedWindow() = 0;
protected:
virtual ~FocusManager() {}
};
} // namespace internal
} // namespace aura
#endif // UI_AURA_FOCUS_MANAGER_H_