From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- docshell/base/timeline/AutoTimelineMarker.h | 46 +++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 docshell/base/timeline/AutoTimelineMarker.h (limited to 'docshell/base/timeline/AutoTimelineMarker.h') diff --git a/docshell/base/timeline/AutoTimelineMarker.h b/docshell/base/timeline/AutoTimelineMarker.h new file mode 100644 index 0000000000..a86c741bb0 --- /dev/null +++ b/docshell/base/timeline/AutoTimelineMarker.h @@ -0,0 +1,46 @@ +/* -*- 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/. */ + +#ifndef mozilla_AutoTimelineMarker_h_ +#define mozilla_AutoTimelineMarker_h_ + +#include "mozilla/RefPtr.h" + +class nsIDocShell; + +namespace mozilla { + +// # AutoTimelineMarker +// +// An RAII class to trace some task in the platform by adding a start and end +// timeline marker pair. These markers are then rendered in the devtools' +// performance tool's waterfall graph. +// +// Example usage: +// +// { +// AutoTimelineMarker marker(mDocShell, "Parse CSS"); +// nsresult rv = ParseTheCSSFile(mFile); +// ... +// } +class MOZ_RAII AutoTimelineMarker { + // The name of the marker we are adding. + const char* mName; + + // The docshell that is associated with this marker. + RefPtr mDocShell; + + public: + AutoTimelineMarker(nsIDocShell* aDocShell, const char* aName); + ~AutoTimelineMarker(); + + AutoTimelineMarker(const AutoTimelineMarker& aOther) = delete; + void operator=(const AutoTimelineMarker& aOther) = delete; +}; + +} // namespace mozilla + +#endif /* mozilla_AutoTimelineMarker_h_ */ -- cgit v1.2.3