| // 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_COUNT_DOWN_LATCH_IMPL_H_ |
| #define CHROMEOS_COMPONENTS_NEARBY_COUNT_DOWN_LATCH_IMPL_H_ |
| |
| #include "base/atomic_ref_count.h" |
| #include "base/macros.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "chromeos/components/nearby/library/count_down_latch.h" |
| #include "chromeos/components/nearby/library/exception.h" |
| |
| namespace chromeos { |
| |
| namespace nearby { |
| |
| // Concrete location::nearby::CountDownLatch implementation. |
| class CountDownLatchImpl : public location::nearby::CountDownLatch { |
| public: |
| explicit CountDownLatchImpl(int32_t count); |
| ~CountDownLatchImpl() override; |
| |
| private: |
| // location::nearby::CountDownLatch: |
| location::nearby::Exception::Value await() override; |
| location::nearby::ExceptionOr<bool> await(int32_t timeout_millis) override; |
| void countDown() override; |
| |
| base::AtomicRefCount count_; |
| base::WaitableEvent count_waitable_event_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CountDownLatchImpl); |
| }; |
| |
| } // namespace nearby |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_COMPONENTS_NEARBY_COUNT_DOWN_LATCH_IMPL_H_ |