1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "CloseHandle.h"
18 
19 namespace android::hardware::automotive::audiocontrol::V2_0::implementation {
20 
CloseHandle(Callback callback)21 CloseHandle::CloseHandle(Callback callback) : mCallback(callback) {}
22 
~CloseHandle()23 CloseHandle::~CloseHandle() {
24     close();
25 }
26 
close()27 Return<void> CloseHandle::close() {
28     const auto wasClosed = mIsClosed.exchange(true);
29     if (wasClosed) return {};
30 
31     if (mCallback) mCallback();
32     return {};
33 }
34 
35 }  // namespace android::hardware::automotive::audiocontrol::V2_0::implementation
36