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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_APPS_APP_SERVICE_METRICS_APP_PLATFORM_METRICS_SERVICE_H_
#define CHROME_BROWSER_APPS_APP_SERVICE_METRICS_APP_PLATFORM_METRICS_SERVICE_H_
#include <utility>
#include "base/memory/raw_ptr.h"
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "base/timer/timer.h"
#include "chrome/browser/apps/app_service/metrics/app_discovery_metrics.h"
#include "chrome/browser/apps/app_service/metrics/app_platform_input_metrics.h"
#include "chrome/browser/apps/app_service/metrics/app_platform_metrics.h"
#include "chrome/browser/apps/app_service/metrics/website_metrics.h"
#include "chrome/browser/profiles/profile.h"
class PrefRegistrySimple;
namespace apps {
class AppRegistryCache;
class InstanceRegistry;
extern const char kAppPlatformMetricsDayId[];
// Service to initialize and control app platform metric recorders per day in
// Chrome OS.
class AppPlatformMetricsService {
public:
// Observer that can be used to monitor the lifecycle of certain components
// owned by `AppPlatformMetricsService`.
class Observer : public base::CheckedObserver {
public:
Observer() = default;
Observer(const Observer&) = delete;
Observer& operator=(const Observer&) = delete;
~Observer() override = default;
// Triggered once the `AppPlatformMetrics` component is initialized.
// This enables external components to delay interactions with the
// component until it is ready.
virtual void OnAppPlatformMetricsInit(
AppPlatformMetrics* app_platform_metrics) {}
// Triggered once the `WebsiteMetrics` component is initialized. This
// enables external components to delay interactions with the component
// until it is ready.
virtual void OnWebsiteMetricsInit(WebsiteMetrics* website_metrics) {}
// Triggered when the `AppPlatformMetricsService` will be destroyed. This
// can be used by observer to unregister itself as an observer as well as
// prevent use-after-free errors.
virtual void OnAppPlatformMetricsServiceWillBeDestroyed() = 0;
};
explicit AppPlatformMetricsService(Profile* profile);
AppPlatformMetricsService(const AppPlatformMetricsService&) = delete;
AppPlatformMetricsService& operator=(const AppPlatformMetricsService&) =
delete;
~AppPlatformMetricsService();
static void RegisterProfilePrefs(PrefRegistrySimple* registry);
// Returns the day id for a given time for testing.
static int GetDayIdForTesting(base::Time time);
// Start the timer and check if a new day has arrived.
void Start(AppRegistryCache& app_registry_cache,
InstanceRegistry& instance_registry,
apps::AppCapabilityAccessCache& app_capability_access_cache);
apps::AppPlatformMetrics* AppPlatformMetrics() {
return app_platform_app_metrics_.get();
}
apps::WebsiteMetrics* WebsiteMetrics() { return website_metrics_.get(); }
// Add observer to the observer list.
void AddObserver(Observer* observer);
// Remove observer from the observer list.
void RemoveObserver(Observer* observer);
void SetWebsiteMetricsForTesting(
std::unique_ptr<apps::WebsiteMetrics> website_metrics);
private:
friend class AppPlatformInputMetricsTest;
// Helper function to check if a new day has arrived.
void CheckForNewDay();
// Helper function to check if 5 mintues have arrived.
void CheckForFiveMinutes();
// Helper function to check if the reporting interval for noisy AppKMs has
// arrived to report noisy AppKMs events.
void CheckForNoisyAppKMReportingInterval();
const raw_ptr<Profile> profile_;
int day_id_;
// A periodic timer that checks if a new day has arrived.
base::RepeatingTimer timer_;
// A periodic timer that checks if five minutes have arrived.
base::RepeatingTimer five_minutes_timer_;
// A periodic timer that checks if the reporting interval for noisy AppKMs has
// arrived to report noisy AppKM events.
base::RepeatingTimer noisy_appkm_reporting_interval_timer_;
std::unique_ptr<apps::AppPlatformMetrics> app_platform_app_metrics_;
std::unique_ptr<apps::AppPlatformInputMetrics> app_platform_input_metrics_;
std::unique_ptr<apps::WebsiteMetrics> website_metrics_;
std::unique_ptr<apps::AppDiscoveryMetrics> app_discovery_metrics_;
// List of observers that will be notified of certain component lifecycle
// changes.
base::ObserverList<Observer> observers_;
};
} // namespace apps
#endif // CHROME_BROWSER_APPS_APP_SERVICE_METRICS_APP_PLATFORM_METRICS_SERVICE_H_
|
