зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.3 KiB
C++
49 строки
1.3 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 "AutoTimelineMarker.h"
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#include "nsIDocShell.h"
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#include "TimelineConsumers.h"
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#include "MainThreadUtils.h"
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namespace mozilla {
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AutoTimelineMarker::AutoTimelineMarker(nsIDocShell* aDocShell,
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const char* aName)
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: mName(aName), mDocShell(nullptr) {
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MOZ_ASSERT(NS_IsMainThread());
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if (!aDocShell) {
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return;
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}
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RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();
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if (!timelines || !timelines->HasConsumer(aDocShell)) {
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return;
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}
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mDocShell = aDocShell;
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timelines->AddMarkerForDocShell(mDocShell, mName, MarkerTracingType::START);
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}
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AutoTimelineMarker::~AutoTimelineMarker() {
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MOZ_ASSERT(NS_IsMainThread());
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if (!mDocShell) {
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return;
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}
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RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();
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if (!timelines || !timelines->HasConsumer(mDocShell)) {
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return;
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}
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timelines->AddMarkerForDocShell(mDocShell, mName, MarkerTracingType::END);
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}
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} // namespace mozilla
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