chromium/third_party/webrtc/rtc_base/ref_counted_object.h

/*
 *  Copyright 2016 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 RTC_BASE_REF_COUNTED_OBJECT_H_
#define RTC_BASE_REF_COUNTED_OBJECT_H_

#include "api/scoped_refptr.h"
#include "rtc_base/ref_count.h"
#include "rtc_base/ref_counter.h"

namespace webrtc {

template <class T>
class RefCountedObject : public T { … };

template <class T>
class FinalRefCountedObject final : public T { … };

}  // namespace webrtc

// Backwards compatibe aliases.
// TODO: https://issues.webrtc.org/42225969 - deprecate and remove.
namespace rtc {
// Because there are users of this template that use "friend
// rtc::RefCountedObject<>" to give access to a private destructor, some
// indirection is needed; "friend" declarations cannot span an "using"
// declaration. Since a templated class on top of a templated class can't access
// the subclass' protected members, we duplicate the entire class instead.
template <class T>
class RefCountedObject : public T { … };

FinalRefCountedObject;
}  // namespace rtc

#endif  // RTC_BASE_REF_COUNTED_OBJECT_H_