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// Copyright 2013 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 ASH_DISPLAY_DISPLAY_ERROR_OBSERVER_CHROMEOS_H_
#define ASH_DISPLAY_DISPLAY_ERROR_OBSERVER_CHROMEOS_H_
#include "ash/ash_export.h"
#include "base/compiler_specific.h"
#include "base/strings/string16.h"
#include "ui/display/chromeos/display_configurator.h"
namespace ash {
// The class to observe the output failures and shows the error dialog when
// necessary.
class ASH_EXPORT DisplayErrorObserver
: public ui::DisplayConfigurator::Observer {
public:
DisplayErrorObserver();
virtual ~DisplayErrorObserver();
// ui::DisplayConfigurator::Observer overrides:
virtual void OnDisplayModeChangeFailed(
ui::MultipleDisplayState failed_new_state) OVERRIDE;
private:
friend class DisplayErrorObserverTest;
base::string16 GetTitleOfDisplayErrorNotificationForTest();
DISALLOW_COPY_AND_ASSIGN(DisplayErrorObserver);
};
} // namespace ash
#endif // ASH_DISPLAY_DISPLAY_ERROR_OBSERVER_CHROMEOS_H_
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