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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_WEBRTC_WEBRTC_CONNECTIONS_OBSERVER_H_
#define CONTENT_BROWSER_WEBRTC_WEBRTC_CONNECTIONS_OBSERVER_H_
#include "base/functional/callback.h"
#include "base/sequence_checker.h"
#include "content/browser/webrtc/webrtc_internals_connections_observer.h"
namespace content {
class WebRtcConnectionsObserver : public WebRtcInternalsConnectionsObserver {
public:
typedef base::RepeatingCallback<void(uint32_t)>
ConnectionsCountChangedCallback;
// |webrtc_connections_count_changed_callback| is called every time there
// is a change in the count of active WebRTC connections.
explicit WebRtcConnectionsObserver(const ConnectionsCountChangedCallback&
connections_count_changed_callback);
WebRtcConnectionsObserver(const WebRtcConnectionsObserver&) = delete;
WebRtcConnectionsObserver& operator=(const WebRtcConnectionsObserver&) =
delete;
~WebRtcConnectionsObserver() override;
private:
// content::WebRtcInternalsConnectionsObserver:
void OnConnectionsCountChange(uint32_t count) override;
ConnectionsCountChangedCallback connections_count_changed_callback_;
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace content
#endif // CONTENT_BROWSER_WEBRTC_WEBRTC_CONNECTIONS_OBSERVER_H_
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