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// 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_TRACKER_H_
#define CONTENT_BROWSER_XR_METRICS_SESSION_TRACKER_H_
#include <memory>
#include <utility>
#include "base/logging.h"
#include "base/time/time.h"
#include "services/metrics/public/cpp/ukm_builders.h"
namespace content {
// SessionTracker tracks UKM data for sessions and sends the data upon request.
template <class T>
class SessionTracker {
public:
explicit SessionTracker(std::unique_ptr<T> entry)
: ukm_entry_(std::move(entry)),
start_time_(base::Time::Now()),
stop_time_(base::Time::Now()) {}
virtual ~SessionTracker() {}
T* ukm_entry() { return ukm_entry_.get(); }
void SetSessionEnd(base::Time stop_time) { stop_time_ = stop_time; }
int GetRoundedDurationInSeconds() {
if (start_time_ > stop_time_) {
// Return negative one to indicate an invalid value was recorded.
return -1;
}
base::TimeDelta duration = stop_time_ - start_time_;
DVLOG(1) << __func__ << ": " << duration.InSeconds();
if (duration.InHours() > 1) {
return duration.InHours() * 3600;
} else if (duration.InMinutes() > 10) {
return (duration.InMinutes() / 10) * 10 * 60;
} else if (duration.InSeconds() > 60) {
return duration.InMinutes() * 60;
} else {
return duration.InSeconds();
}
}
void RecordEntry() {
DVLOG(1) << __func__;
ukm::UkmRecorder* ukm_recorder = ukm::UkmRecorder::Get();
DCHECK(ukm_recorder);
ukm_entry_->Record(ukm_recorder);
}
SessionTracker(const SessionTracker&) = delete;
SessionTracker& operator=(const SessionTracker&) = delete;
protected:
std::unique_ptr<T> ukm_entry_;
base::Time start_time_;
base::Time stop_time_;
};
} // namespace content
#endif // CONTENT_BROWSER_XR_METRICS_SESSION_TRACKER_H_
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