File: projector_metrics.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (127 lines) | stat: -rw-r--r-- 4,546 bytes parent folder | download | duplicates (6)
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
// 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.

#include "ash/projector/projector_metrics.h"

#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "base/metrics/histogram_functions.h"
#include "base/notreached.h"
#include "base/time/time.h"

namespace ash {

namespace {

constexpr char kProjectorToolbarHistogramName[] = "Ash.Projector.Toolbar";

constexpr char kProjectorCreationFlowHistogramName[] =
    "Ash.Projector.CreationFlow";

constexpr char kProjectorCreationFlowErrorHistogramName[] =
    "Ash.Projector.CreationFlowError";

constexpr char kProjectorTranscriptsCountHistogramName[] =
    "Ash.Projector.TranscriptsCount";

constexpr char kProjectorPendingScreencastBatchIOTaskDurationHistogramName[] =
    "Ash.Projector.PendingScreencastBatchIOTaskDuration";

constexpr char kProjectorPendingScreencastChangeIntervalHistogramName[] =
    "Ash.Projector.PendingScreencastChangeInterval";

constexpr char
    kProjectorOnDeviceToServerSpeechRecognitionFallbackReasonHistogramName[] =
        "Ash.Projector.OnDeviceToServerSpeechRecognitionFallbackReason";

constexpr char kSpeechRecognitionEndStateOnDevice[] =
    "Ash.Projector.SpeechRecognitionEndState.OnDevice";

constexpr char kSpeechRecognitionEndStateServerBased[] =
    "Ash.Projector.SpeechRecognitionEndState.ServerBased";

// Appends the proper suffix to |prefix| based on whether the user is in tablet
// mode or not.
std::string GetHistogramName(const std::string& prefix) {
  std::string mode =
      Shell::Get()->IsInTabletMode() ? ".TabletMode" : ".ClamshellMode";
  return prefix + mode;
}

inline std::string GetSpeechRecognitionHistogramName(bool is_on_device) {
  return is_on_device ? kSpeechRecognitionEndStateOnDevice
                      : kSpeechRecognitionEndStateServerBased;
}

}  // namespace

void RecordToolbarMetrics(ProjectorToolbar button) {
  base::UmaHistogramEnumeration(
      GetHistogramName(kProjectorToolbarHistogramName), button);
}

void RecordCreationFlowMetrics(ProjectorCreationFlow step) {
  base::UmaHistogramEnumeration(
      GetHistogramName(kProjectorCreationFlowHistogramName), step);
}

void RecordTranscriptsCount(size_t count) {
  // We don't expect most screencasts to exceed 10,000 transcripts. If this
  // limit is exceeded, then the metric would fall into an overflow bucket.
  base::UmaHistogramCounts10000(
      GetHistogramName(kProjectorTranscriptsCountHistogramName), count);
}

void RecordCreationFlowError(int message_id) {
  ProjectorCreationFlowError error = ProjectorCreationFlowError::kMaxValue;
  switch (message_id) {
    case IDS_ASH_PROJECTOR_SAVE_FAILURE_TEXT:
      error = ProjectorCreationFlowError::kSaveError;
      break;
    case IDS_ASH_PROJECTOR_FAILURE_MESSAGE_TRANSCRIPTION:
      error = ProjectorCreationFlowError::kTranscriptionError;
      break;
    case IDS_ASH_PROJECTOR_ABORT_BY_AUDIO_POLICY_TEXT:
      error = ProjectorCreationFlowError::kSessionAbortedByAudioPolicyDisabled;
      break;
    default:
      NOTREACHED();
  }
  base::UmaHistogramEnumeration(
      GetHistogramName(kProjectorCreationFlowErrorHistogramName), error);
}

ASH_EXPORT void RecordPendingScreencastBatchIOTaskDuration(
    const base::TimeDelta duration) {
  // We don't normally expect the duration is longer than 10s. If this limit is
  // exceeded, then the metric would fall into an overflow bucket.
  base::UmaHistogramTimes(
      kProjectorPendingScreencastBatchIOTaskDurationHistogramName, duration);
}

ASH_EXPORT void RecordPendingScreencastChangeInterval(
    const base::TimeDelta interval) {
  // The interval doesn't include the change between last finished uploading to
  // new start uploading. We don't normally expect the interval is longer than
  // 10s. If this limit is exceeded, then the metric would fall into an overflow
  // bucket.
  base::UmaHistogramTimes(
      kProjectorPendingScreencastChangeIntervalHistogramName, interval);
}

ASH_EXPORT void RecordOnDeviceToServerSpeechRecognitionFallbackReason(
    OnDeviceToServerSpeechRecognitionFallbackReason reason) {
  base::UmaHistogramEnumeration(
      kProjectorOnDeviceToServerSpeechRecognitionFallbackReasonHistogramName,
      reason);
}

ASH_EXPORT void RecordSpeechRecognitionEndState(
    SpeechRecognitionEndState end_state,
    bool is_on_device) {
  base::UmaHistogramEnumeration(GetSpeechRecognitionHistogramName(is_on_device),
                                end_state);
}

}  // namespace ash