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