Darnell Andries
e0d7161f7a
* Use `base::ElapsedTimer` where possible pt. 1 * Refactor `misc_metrics::UsageClock` to use `base::ElapsedTimer` * Address CodeHealth PR feedback
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/* Copyright (c) 2025 The Brave Authors. All rights reserved.
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/. */
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#include "brave/browser/misc_metrics/usage_clock.h"
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#include "base/check.h"
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namespace misc_metrics {
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UsageClock::UsageClock() {
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bool in_session = true;
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if (metrics::DesktopSessionDurationTracker::IsInitialized()) {
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auto* tracker = metrics::DesktopSessionDurationTracker::Get();
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tracker->AddObserver(this);
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if (!tracker->in_session()) {
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in_session = false;
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}
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}
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if (in_session) {
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current_session_elapsed_timer_ = base::ElapsedTimer();
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}
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}
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UsageClock::~UsageClock() {
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if (metrics::DesktopSessionDurationTracker::IsInitialized()) {
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metrics::DesktopSessionDurationTracker::Get()->RemoveObserver(this);
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}
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}
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base::TimeDelta UsageClock::GetTotalUsageTime() const {
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base::TimeDelta elapsed_time_in_session = usage_time_in_completed_sessions_;
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if (current_session_elapsed_timer_) {
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elapsed_time_in_session += current_session_elapsed_timer_->Elapsed();
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}
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return elapsed_time_in_session;
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}
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bool UsageClock::IsInUse() const {
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return current_session_elapsed_timer_.has_value();
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}
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void UsageClock::OnSessionStarted(base::TimeTicks session_start) {
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// Ignore |session_start| because it doesn't come from the resource
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// coordinator clock.
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DCHECK(!IsInUse());
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current_session_elapsed_timer_ = base::ElapsedTimer();
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}
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void UsageClock::OnSessionEnded(base::TimeDelta session_length,
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base::TimeTicks session_end) {
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// Ignore |session_length| because it wasn't measured using the resource
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// coordinator clock.
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DCHECK(IsInUse());
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usage_time_in_completed_sessions_ +=
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current_session_elapsed_timer_->Elapsed();
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current_session_elapsed_timer_ = std::nullopt;
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}
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} // namespace misc_metrics
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