multimedia/client/webrtc_demo/third/include/api/ref_counted_base.h

44 lines
1.1 KiB
C++

/*
* Copyright 2017 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef API_REF_COUNTED_BASE_H_
#define API_REF_COUNTED_BASE_H_
#include "rtc_base/constructor_magic.h"
#include "rtc_base/ref_count.h"
#include "rtc_base/ref_counter.h"
namespace rtc {
class RefCountedBase {
public:
RefCountedBase() = default;
void AddRef() const { ref_count_.IncRef(); }
RefCountReleaseStatus Release() const {
const auto status = ref_count_.DecRef();
if (status == RefCountReleaseStatus::kDroppedLastRef) {
delete this;
}
return status;
}
protected:
virtual ~RefCountedBase() = default;
private:
mutable webrtc::webrtc_impl::RefCounter ref_count_{0};
RTC_DISALLOW_COPY_AND_ASSIGN(RefCountedBase);
};
} // namespace rtc
#endif // API_REF_COUNTED_BASE_H_