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Diffstat (limited to '')
-rw-r--r-- | docshell/base/timeline/AutoTimelineMarker.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/docshell/base/timeline/AutoTimelineMarker.cpp b/docshell/base/timeline/AutoTimelineMarker.cpp new file mode 100644 index 0000000000..714b818f0a --- /dev/null +++ b/docshell/base/timeline/AutoTimelineMarker.cpp @@ -0,0 +1,48 @@ +/* -*- 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 "AutoTimelineMarker.h" + +#include "nsIDocShell.h" +#include "TimelineConsumers.h" +#include "MainThreadUtils.h" + +namespace mozilla { + +AutoTimelineMarker::AutoTimelineMarker(nsIDocShell* aDocShell, + const char* aName) + : mName(aName), mDocShell(nullptr) { + MOZ_ASSERT(NS_IsMainThread()); + + if (!aDocShell) { + return; + } + + RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get(); + if (!timelines || !timelines->HasConsumer(aDocShell)) { + return; + } + + mDocShell = aDocShell; + timelines->AddMarkerForDocShell(mDocShell, mName, MarkerTracingType::START); +} + +AutoTimelineMarker::~AutoTimelineMarker() { + MOZ_ASSERT(NS_IsMainThread()); + + if (!mDocShell) { + return; + } + + RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get(); + if (!timelines || !timelines->HasConsumer(mDocShell)) { + return; + } + + timelines->AddMarkerForDocShell(mDocShell, mName, MarkerTracingType::END); +} + +} // namespace mozilla |