| // Copyright (c) 2018 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 CHROMEOS_COMPONENTS_NEARBY_LIBRARY_CANCELABLE_H_ |
| #define CHROMEOS_COMPONENTS_NEARBY_LIBRARY_CANCELABLE_H_ |
| |
| namespace location { |
| namespace nearby { |
| |
| // An interface to provide a cancellation mechanism for objects that represent |
| // long-running operations. |
| class Cancelable { |
| public: |
| virtual ~Cancelable() {} |
| |
| virtual bool cancel() = 0; |
| }; |
| |
| } // namespace nearby |
| } // namespace location |
| |
| #endif // CHROMEOS_COMPONENTS_NEARBY_LIBRARY_CANCELABLE_H_ |