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content / browser / xr / metrics / session_timer.h [blame]
// Copyright 2020 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_XR_METRICS_SESSION_TIMER_H_
#define CONTENT_BROWSER_XR_METRICS_SESSION_TIMER_H_
#include "base/time/time.h"
namespace content {
// SessionTimer will monitor the time between calls to StartSession and
// StopSession, and will send the duration upon either StopSession or
// destruction.
class SessionTimer {
public:
explicit SessionTimer(size_t trace_id);
virtual ~SessionTimer();
SessionTimer(const SessionTimer&) = delete;
SessionTimer& operator=(const SessionTimer&) = delete;
base::Time GetStartTime();
size_t GetTraceId();
void StartSession();
void StopSession();
private:
base::Time start_time_;
size_t trace_id_;
};
} // namespace content
#endif // CONTENT_BROWSER_XR_METRICS_SESSION_TIMER_H_