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/* -*- 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 "nsAString.h"
#include "nsClassHashtable.h"
#include "nsITelemetry.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 gInitDone = false;
bool gCanRecordBase;
bool gCanRecordExtended;
} // 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 aCanRecordBase,
bool aCanRecordExtended) {
if (!XRE_IsParentProcess()) {
return;
}
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!gInitDone,
"TelemetryUserInteraction::InitializeGlobalState "
"may only be called once");
gCanRecordBase = aCanRecordBase;
gCanRecordExtended = aCanRecordExtended;
gInitDone = true;
}
void TelemetryUserInteraction::DeInitializeGlobalState() {
if (!XRE_IsParentProcess()) {
return;
}
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(gInitDone);
if (!gInitDone) {
return;
}
gInitDone = false;
}
bool TelemetryUserInteraction::CanRecord(const nsAString& aName) {
if (!gCanRecordBase) {
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;
}
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