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/* -*- 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 "mozilla/dom/Element.h"
#include "nsContentUtils.h"
#include "nsRFPService.h"
#include "Performance.h"
#include "PerformanceMainThread.h"
#include "LargestContentfulPaint.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(LargestContentfulPaint, PerformanceEntry,
mPerformance, mURI, mElement)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(LargestContentfulPaint)
NS_INTERFACE_MAP_END_INHERITING(PerformanceEntry)
NS_IMPL_ADDREF_INHERITED(LargestContentfulPaint, PerformanceEntry)
NS_IMPL_RELEASE_INHERITED(LargestContentfulPaint, PerformanceEntry)
LargestContentfulPaint::LargestContentfulPaint(Performance* aPerformance,
DOMHighResTimeStamp aRenderTime,
DOMHighResTimeStamp aLoadTime,
unsigned long aSize,
nsIURI* aURI, Element* aElement)
: PerformanceEntry(aPerformance->GetParentObject(), u""_ns,
kLargestContentfulPaintName),
mPerformance(static_cast<PerformanceMainThread*>(aPerformance)),
mRenderTime(aRenderTime),
mLoadTime(aLoadTime),
mSize(aSize),
mURI(aURI),
mElement(aElement) {
MOZ_ASSERT(mPerformance);
MOZ_ASSERT(mElement);
// The element could be a pseudo-element
if (mElement->ChromeOnlyAccess()) {
mElement = Element::FromNodeOrNull(
aElement->FindFirstNonChromeOnlyAccessContent());
}
if (const Element* element = GetElement()) {
mId = element->GetID();
}
}
JSObject* LargestContentfulPaint::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return LargestContentfulPaint_Binding::Wrap(aCx, this, aGivenProto);
}
Element* LargestContentfulPaint::GetElement() const {
return mElement ? nsContentUtils::GetAnElementForTiming(
mElement, mElement->GetComposedDoc(), nullptr)
: nullptr;
}
DOMHighResTimeStamp LargestContentfulPaint::RenderTime() const {
return nsRFPService::ReduceTimePrecisionAsMSecs(
mRenderTime, mPerformance->GetRandomTimelineSeed(),
mPerformance->GetRTPCallerType());
}
DOMHighResTimeStamp LargestContentfulPaint::LoadTime() const {
return nsRFPService::ReduceTimePrecisionAsMSecs(
mLoadTime, mPerformance->GetRandomTimelineSeed(),
mPerformance->GetRTPCallerType());
}
DOMHighResTimeStamp LargestContentfulPaint::StartTime() const {
DOMHighResTimeStamp startTime = !mRenderTime ? mLoadTime : mRenderTime;
return nsRFPService::ReduceTimePrecisionAsMSecs(
startTime, mPerformance->GetRandomTimelineSeed(),
mPerformance->GetRTPCallerType());
}
void LargestContentfulPaint::GetUrl(nsAString& aUrl) {
if (mURI) {
CopyUTF8toUTF16(mURI->GetSpecOrDefault(), aUrl);
}
}
} // namespace mozilla::dom
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