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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 "PerformanceEventTiming.h"
#include <algorithm>
#include "PerformanceInteractionMetrics.h"
#include "PerformanceMainThread.h"
#include "mozilla/EventForwards.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/StaticPrefs_dom.h"
#include "mozilla/TextEvents.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/Event.h"
#include "mozilla/dom/Performance.h"
#include "mozilla/dom/PerformanceEventTimingBinding.h"
#include "nsContentUtils.h"
#include "nsIDocShell.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(PerformanceEventTiming, PerformanceEntry,
mPerformance, mTarget)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformanceEventTiming)
NS_INTERFACE_MAP_END_INHERITING(PerformanceEntry)
NS_IMPL_ADDREF_INHERITED(PerformanceEventTiming, PerformanceEntry)
NS_IMPL_RELEASE_INHERITED(PerformanceEventTiming, PerformanceEntry)
PerformanceEventTiming::PerformanceEventTiming(Performance* aPerformance,
const nsAString& aName,
const TimeStamp& aStartTime,
bool aIsCancelable,
EventMessage aMessage)
: PerformanceEntry(aPerformance->GetParentObject(), aName, u"event"_ns),
mPerformance(aPerformance),
mProcessingStart(aPerformance->NowUnclamped()),
mProcessingEnd(0),
mStartTime(
aPerformance->GetDOMTiming()->TimeStampToDOMHighRes(aStartTime)),
mDuration(0),
mCancelable(aIsCancelable),
mMessage(aMessage) {}
PerformanceEventTiming::PerformanceEventTiming(
const PerformanceEventTiming& aEventTimingEntry)
: PerformanceEntry(aEventTimingEntry.mPerformance->GetParentObject(),
nsDependentAtomString(aEventTimingEntry.GetName()),
nsDependentAtomString(aEventTimingEntry.GetEntryType())),
mPerformance(aEventTimingEntry.mPerformance),
mProcessingStart(aEventTimingEntry.mProcessingStart),
mProcessingEnd(aEventTimingEntry.mProcessingEnd),
mTarget(aEventTimingEntry.mTarget),
mStartTime(aEventTimingEntry.mStartTime),
mDuration(aEventTimingEntry.mDuration),
mCancelable(aEventTimingEntry.mCancelable),
mInteractionId(aEventTimingEntry.mInteractionId),
mMessage(aEventTimingEntry.mMessage) {}
JSObject* PerformanceEventTiming::WrapObject(
JSContext* cx, JS::Handle<JSObject*> aGivenProto) {
return PerformanceEventTiming_Binding::Wrap(cx, this, aGivenProto);
}
already_AddRefed<PerformanceEventTiming>
PerformanceEventTiming::TryGenerateEventTiming(const EventTarget* aTarget,
const WidgetEvent* aEvent) {
MOZ_ASSERT(NS_IsMainThread());
if (!StaticPrefs::dom_enable_event_timing() ||
aEvent->mFlags.mOnlyChromeDispatch) {
return nullptr;
}
if (!aEvent->IsTrusted()) {
return nullptr;
}
switch (aEvent->mMessage) {
case eContextMenu:
case eMouseDoubleClick:
case eMouseDown:
case eMouseEnter:
case eMouseLeave:
case eMouseOut:
case eMouseOver:
case eMouseUp:
case ePointerAuxClick:
case ePointerClick:
case ePointerOver:
case ePointerEnter:
case ePointerDown:
case ePointerUp:
case ePointerCancel:
case ePointerOut:
case ePointerLeave:
case ePointerGotCapture:
case ePointerLostCapture:
case eTouchStart:
case eTouchEnd:
case eTouchCancel:
case eKeyDown:
case eKeyPress:
case eKeyUp:
case eEditorBeforeInput:
case eEditorInput:
case eCompositionStart:
case eCompositionUpdate:
case eCompositionEnd:
case eDragStart:
case eDragEnd:
case eDragEnter:
case eDragLeave:
case eDragOver:
case eDrop:
break;
default:
return nullptr;
}
nsCOMPtr<nsPIDOMWindowInner> innerWindow =
do_QueryInterface(aTarget->GetOwnerGlobal());
if (!innerWindow) {
return nullptr;
}
if (Performance* performance = innerWindow->GetPerformance()) {
const char16_t* eventName = Event::GetEventName(aEvent->mMessage);
MOZ_ASSERT(eventName,
"User defined events shouldn't be considered as event timing");
auto eventTiming =
RefPtr<PerformanceEventTiming>(new PerformanceEventTiming(
performance, nsDependentString(eventName), aEvent->mTimeStamp,
aEvent->mFlags.mCancelable, aEvent->mMessage));
performance->SetInteractionId(eventTiming, aEvent);
return eventTiming.forget();
}
return nullptr;
}
bool PerformanceEventTiming::ShouldAddEntryToBuffer(double aDuration) const {
if (GetEntryType() == nsGkAtoms::firstInput) {
return true;
}
MOZ_ASSERT(GetEntryType() == nsGkAtoms::event);
return RawDuration() >= aDuration;
}
bool PerformanceEventTiming::ShouldAddEntryToObserverBuffer(
PerformanceObserverInit& aOption) const {
if (!PerformanceEntry::ShouldAddEntryToObserverBuffer(aOption)) {
return false;
}
const double minDuration =
aOption.mDurationThreshold.WasPassed()
? std::max(aOption.mDurationThreshold.Value(),
PerformanceMainThread::kDefaultEventTimingMinDuration)
: PerformanceMainThread::kDefaultEventTimingDurationThreshold;
return ShouldAddEntryToBuffer(minDuration);
}
void PerformanceEventTiming::BufferEntryIfNeeded() {
if (ShouldAddEntryToBuffer(
PerformanceMainThread::kDefaultEventTimingDurationThreshold)) {
if (GetEntryType() != nsGkAtoms::firstInput) {
MOZ_ASSERT(GetEntryType() == nsGkAtoms::event);
mPerformance->BufferEventTimingEntryIfNeeded(this);
}
}
}
nsINode* PerformanceEventTiming::GetTarget() const {
nsCOMPtr<Element> element = do_QueryReferent(mTarget);
if (!element) {
return nullptr;
}
nsCOMPtr<nsPIDOMWindowInner> global =
do_QueryInterface(element->GetOwnerGlobal());
if (!global) {
return nullptr;
}
return nsContentUtils::GetAnElementForTiming(element, global->GetExtantDoc(),
mPerformance->GetParentObject());
}
void PerformanceEventTiming::FinalizeEventTiming(const WidgetEvent* aEvent) {
MOZ_ASSERT(aEvent);
EventTarget* target = aEvent->mTarget;
if (!target) {
return;
}
nsCOMPtr<nsPIDOMWindowInner> global =
do_QueryInterface(target->GetOwnerGlobal());
if (!global) {
return;
}
mProcessingEnd = mPerformance->NowUnclamped();
Element* element = Element::FromEventTarget(target);
if (!element || element->ChromeOnlyAccess()) {
return;
}
mTarget = do_GetWeakReference(element);
mPerformance->InsertEventTimingEntry(this);
}
} // namespace mozilla::dom
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