From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/performance/PerformancePaintTiming.cpp | 52 ++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 dom/performance/PerformancePaintTiming.cpp (limited to 'dom/performance/PerformancePaintTiming.cpp') diff --git a/dom/performance/PerformancePaintTiming.cpp b/dom/performance/PerformancePaintTiming.cpp new file mode 100644 index 0000000000..83eed06565 --- /dev/null +++ b/dom/performance/PerformancePaintTiming.cpp @@ -0,0 +1,52 @@ +/* -*- 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 "PerformancePaintTiming.h" +#include "Performance.h" +#include "MainThreadUtils.h" +#include "mozilla/dom/PerformanceMeasureBinding.h" +#include "nsRFPService.h" + +using namespace mozilla::dom; + +NS_IMPL_CYCLE_COLLECTION_INHERITED(PerformancePaintTiming, PerformanceEntry, + mPerformance) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformancePaintTiming) +NS_INTERFACE_MAP_END_INHERITING(PerformanceEntry) + +NS_IMPL_ADDREF_INHERITED(PerformancePaintTiming, PerformanceEntry) +NS_IMPL_RELEASE_INHERITED(PerformancePaintTiming, PerformanceEntry) + +PerformancePaintTiming::PerformancePaintTiming(Performance* aPerformance, + const nsAString& aName, + const TimeStamp& aStartTime) + : PerformanceEntry(aPerformance->GetParentObject(), aName, u"paint"_ns), + mPerformance(aPerformance), + mRawStartTime(aStartTime) {} + +PerformancePaintTiming::~PerformancePaintTiming() = default; + +JSObject* PerformancePaintTiming::WrapObject( + JSContext* aCx, JS::Handle aGivenProto) { + return PerformancePaintTiming_Binding::Wrap(aCx, this, aGivenProto); +} + +DOMHighResTimeStamp PerformancePaintTiming::StartTime() const { + if (mCachedStartTime.isNothing()) { + DOMHighResTimeStamp rawValue = + mPerformance->GetDOMTiming()->TimeStampToDOMHighRes(mRawStartTime); + mCachedStartTime.emplace(nsRFPService::ReduceTimePrecisionAsMSecs( + rawValue, mPerformance->GetRandomTimelineSeed(), + mPerformance->GetRTPCallerType())); + } + return mCachedStartTime.value(); +} + +size_t PerformancePaintTiming::SizeOfIncludingThis( + mozilla::MallocSizeOf aMallocSizeOf) const { + return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf); +} -- cgit v1.2.3