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display_error_observer.h
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display_error_observer.h
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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_H_
#define ASH_DISPLAY_DISPLAY_ERROR_OBSERVER_H_
#include "ash/ash_export.h"
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "ui/display/manager/display_configurator.h"
namespace ash {
// The class to observe the output failures and shows the error dialog when
// necessary.
class ASH_EXPORT DisplayErrorObserver
: public display::DisplayConfigurator::Observer {
public:
DisplayErrorObserver();
~DisplayErrorObserver() override;
// display::DisplayConfigurator::Observer overrides:
void OnDisplayModeChangeFailed(
const display::DisplayConfigurator::DisplayStateList& displays,
display::MultipleDisplayState failed_new_state) override;
private:
DISALLOW_COPY_AND_ASSIGN(DisplayErrorObserver);
};
} // namespace ash
#endif // ASH_DISPLAY_DISPLAY_ERROR_OBSERVER_H_