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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/performance/LargestContentfulPaint.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/performance/LargestContentfulPaint.cpp')
-rw-r--r-- | dom/performance/LargestContentfulPaint.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/dom/performance/LargestContentfulPaint.cpp b/dom/performance/LargestContentfulPaint.cpp new file mode 100644 index 0000000000..29984ade73 --- /dev/null +++ b/dom/performance/LargestContentfulPaint.cpp @@ -0,0 +1,85 @@ +/* -*- 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 |