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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsString.h"
#include "MainThreadUtils.h"
#include "TelemetryUserInteraction.h"
#include "TelemetryUserInteractionData.h"
#include "TelemetryUserInteractionNameMap.h"
#include "UserInteractionInfo.h"
using mozilla::Telemetry::UserInteractionIDByNameLookup;
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
//
// PRIVATE TYPES
namespace {
struct UserInteractionKey {
uint32_t id;
};
} // namespace
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
//
// PRIVATE STATE, SHARED BY ALL THREADS
namespace {
// Set to true once this global state has been initialized.
bool gTelemetryUserInteractionInitDone = false;
bool gTelemetryUserInteractionCanRecord;
} // namespace
namespace {
// Implements the methods for UserInteractionInfo.
const char* UserInteractionInfo::name() const {
return &gUserInteractionsStringTable[this->name_offset];
}
} // namespace
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
//
// EXTERNALLY VISIBLE FUNCTIONS in namespace TelemetryUserInteraction::
void TelemetryUserInteraction::InitializeGlobalState(bool aCanRecord) {
if (!XRE_IsParentProcess()) {
return;
}
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!gTelemetryUserInteractionInitDone,
"TelemetryUserInteraction::InitializeGlobalState "
"may only be called once");
gTelemetryUserInteractionCanRecord = aCanRecord;
gTelemetryUserInteractionInitDone = true;
}
void TelemetryUserInteraction::DeInitializeGlobalState() {
if (!XRE_IsParentProcess()) {
return;
}
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(gTelemetryUserInteractionInitDone);
if (!gTelemetryUserInteractionInitDone) {
return;
}
gTelemetryUserInteractionInitDone = false;
}
bool TelemetryUserInteraction::CanRecord(const nsAString& aName) {
if (!gTelemetryUserInteractionCanRecord) {
return false;
}
nsCString name = NS_ConvertUTF16toUTF8(aName);
const uint32_t idx = UserInteractionIDByNameLookup(name);
MOZ_DIAGNOSTIC_ASSERT(
idx < mozilla::Telemetry::UserInteractionID::UserInteractionCount,
"Intermediate lookup should always give a valid index.");
if (name.Equals(gUserInteractions[idx].name())) {
return true;
}
return false;
}
|
