forked from mirrors/gecko-dev
53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
/* -*- 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<JSObject*> 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->IsSystemPrincipal(),
|
|
mPerformance->CrossOriginIsolated()));
|
|
}
|
|
return mCachedStartTime.value();
|
|
}
|
|
|
|
size_t PerformancePaintTiming::SizeOfIncludingThis(
|
|
mozilla::MallocSizeOf aMallocSizeOf) const {
|
|
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
|
|
}
|