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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 "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(const DisplayErrorObserver&) = delete;
- DisplayErrorObserver& operator=(const DisplayErrorObserver&) = delete;
- ~DisplayErrorObserver() override;
- // display::DisplayConfigurator::Observer overrides:
- void OnDisplayModeChangeFailed(
- const display::DisplayConfigurator::DisplayStateList& displays,
- display::MultipleDisplayState failed_new_state) override;
- };
- } // namespace ash
- #endif // ASH_DISPLAY_DISPLAY_ERROR_OBSERVER_H_
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