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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/metrics/touch_usage_metrics_recorder.h"
#include "ash/shell.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/strcat.h"
#include "ui/display/screen.h"
#include "ui/events/event.h"
#include "ui/events/types/event_type.h"
namespace ash {
TouchscreenUsageRecorder::TouchscreenUsageRecorder(
const char* const histogram_name,
base::TimeDelta timer_duration,
base::TimeDelta max_bucket_time,
bool tablet_mode)
: histogram_name_(histogram_name),
max_bucket_time_(max_bucket_time),
tablet_mode_(tablet_mode),
timer_(FROM_HERE,
timer_duration,
base::BindRepeating(&TouchscreenUsageRecorder::LogUsage,
base::Unretained(this))) {}
TouchscreenUsageRecorder::~TouchscreenUsageRecorder() = default;
void TouchscreenUsageRecorder::RecordTouch() {
most_recent_touch_time_ = base::TimeTicks::Now();
if (!timer_.IsRunning()) {
start_time_ = most_recent_touch_time_;
}
timer_.Reset();
}
void TouchscreenUsageRecorder::LogUsage() {
// Usage is only logged if two consecutive touches are detected.
if (start_time_ != most_recent_touch_time_) {
base::TimeDelta diff = most_recent_touch_time_ - start_time_;
base::UmaHistogramCustomTimes(
GetHistogramNameWithMode(histogram_name_, tablet_mode_), diff,
base::Seconds(1), max_bucket_time_, 100);
}
}
// TODO(b/270610982): Temporarily recording values for multiple timer periods
// in order to assess which ones gives the best usage result. Will remove
// other timers when a decision has been reached.
TouchUsageMetricsRecorder::TouchUsageMetricsRecorder()
: clamshell_recorders_{TouchscreenUsageRecorder(
kTouchscreenUsage5SecondsHistogramName,
base::Seconds(5),
base::Minutes(20),
false),
TouchscreenUsageRecorder(
kTouchscreenUsage15SecondsHistogramName,
base::Seconds(15),
base::Minutes(40),
false),
TouchscreenUsageRecorder(
kTouchscreenUsage30SecondsHistogramName,
base::Seconds(30),
base::Hours(1),
false),
TouchscreenUsageRecorder(
kTouchscreenUsage1MinuteHistogramName,
base::Minutes(1),
base::Hours(1.5),
false),
TouchscreenUsageRecorder(
kTouchscreenUsage3MinutesHistogramName,
base::Minutes(3),
base::Hours(2),
false),
TouchscreenUsageRecorder(
kTouchscreenUsage5MinutesHistogramName,
base::Minutes(5),
base::Hours(3),
false),
TouchscreenUsageRecorder(
kTouchscreenUsage10MinutesHistogramName,
base::Minutes(10),
base::Hours(6),
false)},
tablet_recorders_{
TouchscreenUsageRecorder(kTouchscreenUsage5SecondsHistogramName,
base::Seconds(5),
base::Minutes(20),
true),
TouchscreenUsageRecorder(kTouchscreenUsage15SecondsHistogramName,
base::Seconds(15),
base::Minutes(40),
true),
TouchscreenUsageRecorder(kTouchscreenUsage30SecondsHistogramName,
base::Seconds(30),
base::Hours(1),
true),
TouchscreenUsageRecorder(kTouchscreenUsage1MinuteHistogramName,
base::Minutes(1),
base::Hours(1.5),
true),
TouchscreenUsageRecorder(kTouchscreenUsage3MinutesHistogramName,
base::Minutes(3),
base::Hours(2),
true),
TouchscreenUsageRecorder(kTouchscreenUsage5MinutesHistogramName,
base::Minutes(5),
base::Hours(3),
true),
TouchscreenUsageRecorder(kTouchscreenUsage10MinutesHistogramName,
base::Minutes(10),
base::Hours(6),
true)}
{
Shell::Get()->AddPreTargetHandler(this);
}
TouchUsageMetricsRecorder::~TouchUsageMetricsRecorder() {
Shell::Get()->RemovePreTargetHandler(this);
}
void TouchUsageMetricsRecorder::OnTouchEvent(ui::TouchEvent* event) {
if (event->type() == ui::EventType::kTouchPressed) {
NotifyTouchscreenUsageRecorders();
}
}
void TouchUsageMetricsRecorder::NotifyTouchscreenUsageRecorders() {
std::array<TouchscreenUsageRecorder, 7>& recorders =
display::Screen::GetScreen()->InTabletMode() ? tablet_recorders_
: clamshell_recorders_;
for (TouchscreenUsageRecorder& recorder : recorders) {
recorder.RecordTouch();
}
}
const std::string GetHistogramNameWithMode(const char* const histogram_name,
bool tablet_mode) {
return base::StrCat(
{histogram_name, (tablet_mode ? ".TabletMode" : ".ClamshellMode")});
}
} // namespace ash
|
