1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_ASH_COMPONENTS_BOCA_BOCA_METRICS_MANAGER_H_
#define CHROMEOS_ASH_COMPONENTS_BOCA_BOCA_METRICS_MANAGER_H_
#include "base/containers/flat_set.h"
#include "base/sequence_checker.h"
#include "base/time/time.h"
#include "chromeos/ash/components/boca/boca_session_manager.h"
namespace ash::boca {
// Session manager implementation that is primarily used for recording metrics
// throughout a Boca session.
class BocaMetricsManager : public boca::BocaSessionManager::Observer {
public:
BocaMetricsManager(bool is_producer);
BocaMetricsManager(const BocaMetricsManager&) = delete;
BocaMetricsManager& operator=(const BocaMetricsManager&) = delete;
~BocaMetricsManager() override;
// BocaSessionManager::Observer:
void OnSessionStarted(const std::string& session_id,
const ::boca::UserIdentity& producer) override;
void OnSessionEnded(const std::string& session_id) override;
void OnBundleUpdated(const ::boca::Bundle& bundle) override;
void OnSessionRosterUpdated(const ::boca::Roster& roster) override;
private:
// Calculates the duration for the specified `locked_state`. `locked_state` is
// true when the bundle before the switch was in locked mode, false if it was
// unlocked.
void CalculateDurationForContentState(bool locked_state);
// Determines if this manager is responsible for gathering metrics for a
// producer or a consumer profile.
bool is_producer_ = false;
// Time when the session last switched to a different locked mode.
base::TimeTicks last_switch_locked_mode_timestamp_;
base::TimeDelta locked_mode_cumulative_duration_;
base::TimeDelta unlocked_mode_cumulative_duration_;
SEQUENCE_CHECKER(sequence_checker_);
// Set of emails of students that joined the session via code.
base::flat_set<std::string> students_join_via_code_
GUARDED_BY_CONTEXT(sequence_checker_);
// Current number of tabs in the bundle sent by the provider.
int num_of_tabs_ GUARDED_BY_CONTEXT(sequence_checker_) = 0;
// Max number of tabs in the bundle sent by the provider during a session.
int max_num_of_tabs_ GUARDED_BY_CONTEXT(sequence_checker_) = 0;
// Keeps track of the previous locked state before the switch happens.
bool is_lock_window_ GUARDED_BY_CONTEXT(sequence_checker_) = false;
};
} // namespace ash::boca
#endif // CHROMEOS_ASH_COMPONENTS_BOCA_BOCA_METRICS_MANAGER_H_
|
