Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/dom/performance/PerformanceEventTiming.cpp b/dom/performance/PerformanceEventTiming.cpp
new file mode 100644
index 0000000000..7a89329362
--- /dev/null
+++ b/dom/performance/PerformanceEventTiming.cpp
@@ -0,0 +1,207 @@
+/* -*- 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 "PerformanceMainThread.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "mozilla/dom/PerformanceEventTimingBinding.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/dom/Performance.h"
+#include "mozilla/dom/Event.h"
+#include "nsContentUtils.h"
+#include "nsIDocShell.h"
+#include <algorithm>
+
+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 aIsCacelable,
+                                               EventMessage aMessage)
+    : PerformanceEntry(aPerformance->GetParentObject(), aName, u"event"_ns),
+      mPerformance(aPerformance),
+      mProcessingStart(aPerformance->NowUnclamped()),
+      mProcessingEnd(0),
+      mStartTime(
+          aPerformance->GetDOMTiming()->TimeStampToDOMHighRes(aStartTime)),
+      mDuration(0),
+      mCancelable(aIsCacelable),
+      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),
+      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 eMouseAuxClick:
+    case eMouseClick:
+    case eContextMenu:
+    case eMouseDoubleClick:
+    case eMouseDown:
+    case eMouseEnter:
+    case eMouseLeave:
+    case eMouseOut:
+    case eMouseOver:
+    case eMouseUp:
+    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");
+    return RefPtr<PerformanceEventTiming>(
+               new PerformanceEventTiming(
+                   performance, nsDependentString(eventName),
+                   aEvent->mTimeStamp, aEvent->mFlags.mCancelable,
+                   aEvent->mMessage))
+        .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(EventTarget* aTarget) {
+  if (!aTarget) {
+    return;
+  }
+  nsCOMPtr<nsPIDOMWindowInner> global =
+      do_QueryInterface(aTarget->GetOwnerGlobal());
+  if (!global) {
+    return;
+  }
+
+  mProcessingEnd = mPerformance->NowUnclamped();
+
+  Element* element = Element::FromEventTarget(aTarget);
+  if (!element || element->ChromeOnlyAccess()) {
+    return;
+  }
+
+  mTarget = do_GetWeakReference(element);
+
+  mPerformance->InsertEventTimingEntry(this);
+}
+}  // namespace mozilla::dom