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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 UI_AURA_FOCUS_MANAGER_H_
#define UI_AURA_FOCUS_MANAGER_H_
#include "base/basictypes.h"
#include "base/observer_list.h"
#include "ui/aura/aura_export.h"
#include "ui/aura/client/focus_client.h"
namespace ui {
class Event;
}
namespace aura {
class Window;
// An interface implemented by the Desktop to expose the focused window and
// allow for it to be changed.
class AURA_EXPORT FocusManager : public client::FocusClient {
public:
FocusManager();
virtual ~FocusManager();
private:
// Overridden from client::FocusClient:
virtual void AddObserver(client::FocusChangeObserver* observer) OVERRIDE;
virtual void RemoveObserver(client::FocusChangeObserver* observer) OVERRIDE;
virtual void FocusWindow(Window* window, const ui::Event* event) OVERRIDE;
virtual Window* GetFocusedWindow() OVERRIDE;
virtual void OnWindowHiddenInRootWindow(aura::Window* window,
aura::RootWindow* root_window,
bool destroyed) OVERRIDE;
protected:
aura::Window* focused_window_;
ObserverList<client::FocusChangeObserver> observers_;
DISALLOW_COPY_AND_ASSIGN(FocusManager);
};
} // namespace aura
#endif // UI_AURA_FOCUS_MANAGER_H_
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