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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_MONITOR_OBSERVER_H_
#define UI_AURA_MONITOR_OBSERVER_H_
#pragma once
#include "ui/aura/aura_export.h"
namespace gfx {
class Monitor;
}
namespace aura {
// Observers for monitor configuration changes.
class AURA_EXPORT MonitorObserver {
public:
// Called when the |monitor|'s bound has changed.
virtual void OnMonitorBoundsChanged(const gfx::Monitor& monitor) = 0;
// Called when |new_monitor| has been added.
virtual void OnMonitorAdded(const gfx::Monitor& new_monitor) = 0;
// Called when |old_monitor| has been removed.
virtual void OnMonitorRemoved(const gfx::Monitor& old_monitor) = 0;
protected:
virtual ~MonitorObserver();
};
} // namespace aura
#endif // UI_AURA_MONITOR_OBSERVER_H_
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