Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 234 insertions, 0 deletions

diff --git a/dom/performance/PerformanceMainThread.h b/dom/performance/PerformanceMainThread.h
new file mode 100644
index 0000000000..46d7a339d1
--- /dev/null
+++ b/dom/performance/PerformanceMainThread.h
@@ -0,0 +1,234 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_PerformanceMainThread_h
+#define mozilla_dom_PerformanceMainThread_h
+
+#include "Performance.h"
+#include "PerformanceStorage.h"
+#include "LargestContentfulPaint.h"
+#include "nsTextFrame.h"
+
+namespace mozilla::dom {
+
+class PerformanceNavigationTiming;
+class PerformanceEventTiming;
+
+using ImageLCPEntryMap =
+    nsTHashMap<LCPEntryHashEntry, RefPtr<LargestContentfulPaint>>;
+
+using TextFrameUnions = nsTHashMap<nsRefPtrHashKey<Element>, nsRect>;
+
+class PerformanceMainThread final : public Performance,
+                                    public PerformanceStorage {
+ public:
+  PerformanceMainThread(nsPIDOMWindowInner* aWindow,
+                        nsDOMNavigationTiming* aDOMTiming,
+                        nsITimedChannel* aChannel);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(PerformanceMainThread,
+                                                         Performance)
+
+  PerformanceStorage* AsPerformanceStorage() override { return this; }
+
+  virtual PerformanceTiming* Timing() override;
+
+  virtual PerformanceNavigation* Navigation() override;
+
+  virtual void AddEntry(nsIHttpChannel* channel,
+                        nsITimedChannel* timedChannel) override;
+
+  // aData must be non-null.
+  virtual void AddEntry(const nsString& entryName,
+                        const nsString& initiatorType,
+                        UniquePtr<PerformanceTimingData>&& aData) override;
+
+  // aPerformanceTimingData must be non-null.
+  void AddRawEntry(UniquePtr<PerformanceTimingData> aPerformanceTimingData,
+                   const nsAString& aInitiatorType,
+                   const nsAString& aEntryName);
+  virtual void SetFCPTimingEntry(PerformancePaintTiming* aEntry) override;
+  bool HadFCPTimingEntry() const { return mFCPTiming; }
+
+  void InsertEventTimingEntry(PerformanceEventTiming*) override;
+  void BufferEventTimingEntryIfNeeded(PerformanceEventTiming*) override;
+  void DispatchPendingEventTimingEntries() override;
+
+  void BufferLargestContentfulPaintEntryIfNeeded(LargestContentfulPaint*);
+
+  TimeStamp CreationTimeStamp() const override;
+
+  DOMHighResTimeStamp CreationTime() const override;
+
+  virtual void GetMozMemory(JSContext* aCx,
+                            JS::MutableHandle<JSObject*> aObj) override;
+
+  virtual nsDOMNavigationTiming* GetDOMTiming() const override {
+    return mDOMTiming;
+  }
+
+  virtual uint64_t GetRandomTimelineSeed() override {
+    return GetDOMTiming()->GetRandomTimelineSeed();
+  }
+
+  virtual nsITimedChannel* GetChannel() const override { return mChannel; }
+
+  // The GetEntries* methods need to be overriden in order to add the
+  // the document entry of type navigation.
+  virtual void GetEntries(nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+
+  // Return entries which qualify availableFromTimeline boolean check
+  virtual void GetEntriesByType(
+      const nsAString& aEntryType,
+      nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+
+  // There are entries that we don't want expose via performance, however
+  // we do want PerformanceObserver to get them
+  void GetEntriesByTypeForObserver(
+      const nsAString& aEntryType,
+      nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+  virtual void GetEntriesByName(
+      const nsAString& aName, const Optional<nsAString>& aEntryType,
+      nsTArray<RefPtr<PerformanceEntry>>& aRetval) override;
+
+  void UpdateNavigationTimingEntry() override;
+  void QueueNavigationTimingEntry() override;
+  void QueueLargestContentfulPaintEntry(LargestContentfulPaint* aEntry);
+
+  size_t SizeOfEventEntries(mozilla::MallocSizeOf aMallocSizeOf) const override;
+
+  static constexpr uint32_t kDefaultEventTimingBufferSize = 150;
+  static constexpr uint32_t kDefaultEventTimingDurationThreshold = 104;
+  static constexpr double kDefaultEventTimingMinDuration = 16.0;
+
+  static constexpr uint32_t kMaxLargestContentfulPaintBufferSize = 150;
+
+  class EventCounts* EventCounts() override;
+
+  bool IsGlobalObjectWindow() const override { return true; };
+
+  bool HasDispatchedInputEvent() const { return mHasDispatchedInputEvent; }
+
+  void SetHasDispatchedScrollEvent();
+  bool HasDispatchedScrollEvent() const { return mHasDispatchedScrollEvent; }
+
+  void ProcessElementTiming();
+
+  void AddImagesPendingRendering(ImagePendingRendering aImagePendingRendering) {
+    mImagesPendingRendering.AppendElement(aImagePendingRendering);
+  }
+
+  void StoreImageLCPEntry(Element* aElement, imgRequestProxy* aImgRequestProxy,
+                          LargestContentfulPaint* aEntry);
+
+  already_AddRefed<LargestContentfulPaint> GetImageLCPEntry(
+      Element* aElement, imgRequestProxy* aImgRequestProxy);
+
+  bool UpdateLargestContentfulPaintSize(double aSize);
+  double GetLargestContentfulPaintSize() const {
+    return mLargestContentfulPaintSize;
+  }
+
+  nsTHashMap<nsRefPtrHashKey<Element>, nsRect>& GetTextFrameUnions() {
+    return mTextFrameUnions;
+  }
+
+  void FinalizeLCPEntriesForText();
+
+  void ClearGeneratedTempDataForLCP();
+
+ protected:
+  ~PerformanceMainThread();
+
+  void CreateNavigationTimingEntry();
+
+  void InsertUserEntry(PerformanceEntry* aEntry) override;
+
+  DOMHighResTimeStamp GetPerformanceTimingFromString(
+      const nsAString& aTimingName) override;
+
+  void DispatchBufferFullEvent() override;
+
+  RefPtr<PerformanceNavigationTiming> mDocEntry;
+  RefPtr<nsDOMNavigationTiming> mDOMTiming;
+  nsCOMPtr<nsITimedChannel> mChannel;
+  RefPtr<PerformanceTiming> mTiming;
+  RefPtr<PerformanceNavigation> mNavigation;
+  RefPtr<PerformancePaintTiming> mFCPTiming;
+  JS::Heap<JSObject*> mMozMemory;
+
+  nsTArray<RefPtr<PerformanceEventTiming>> mEventTimingEntries;
+  nsTArray<RefPtr<LargestContentfulPaint>> mLargestContentfulPaintEntries;
+
+  AutoCleanLinkedList<RefPtr<PerformanceEventTiming>>
+      mPendingEventTimingEntries;
+  bool mHasDispatchedInputEvent = false;
+  bool mHasDispatchedScrollEvent = false;
+
+  RefPtr<PerformanceEventTiming> mFirstInputEvent;
+  RefPtr<PerformanceEventTiming> mPendingPointerDown;
+
+ private:
+  void SetHasDispatchedInputEvent();
+
+  bool mHasQueuedRefreshdriverObserver = false;
+
+  RefPtr<class EventCounts> mEventCounts;
+  void IncEventCount(const nsAtom* aType);
+
+  PresShell* GetPresShell();
+
+  nsTArray<ImagePendingRendering> mImagesPendingRendering;
+
+  // The key is the pair of the element initiates the image loading
+  // and the imgRequestProxy of the image, and the value is
+  // the LCP entry for this image. When the image is
+  // completely loaded, we add it to mImageLCPEntryMap.
+  // Later, when the image is painted, we get the LCP entry from it
+  // to update the size and queue the entry if needed.
+  //
+  // When the initiating element is disconnected from the document,
+  // we keep the orphan entry because if the same memory address is
+  // reused by a different LCP candidate, it'll update
+  // mImageLCPEntryMap precedes before it tries to get the LCP entry.
+  ImageLCPEntryMap mImageLCPEntryMap;
+
+  // Keeps track of the rendered size of the largest contentful paint that
+  // we have processed so far.
+  double mLargestContentfulPaintSize = 0.0;
+
+  // When a text frame is painted, its area (relative to the
+  // containing block) is unioned with other text frames that
+  // belong to the same containing block.
+  // mTextFrameUnions's key is the containing block, and
+  // the value is the unioned area.
+  TextFrameUnions mTextFrameUnions;
+};
+
+inline void ImplCycleCollectionTraverse(
+    nsCycleCollectionTraversalCallback& aCallback, ImageLCPEntryMap& aField,
+    const char* aName, uint32_t aFlags = 0) {
+  for (auto& entry : aField) {
+    RefPtr<LargestContentfulPaint>* lcpEntry = entry.GetModifiableData();
+    ImplCycleCollectionTraverse(aCallback, *lcpEntry, "ImageLCPEntryMap.mData",
+                                aCallback.Flags());
+  }
+}
+
+inline void ImplCycleCollectionTraverse(
+    nsCycleCollectionTraversalCallback& aCallback, TextFrameUnions& aField,
+    const char* aName, uint32_t aFlags = 0) {
+  for (auto& entry : aField) {
+    ImplCycleCollectionTraverse(
+        aCallback, entry, "TextFrameUnions's key (nsRefPtrHashKey<Element>)",
+        aFlags);
+  }
+}
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_PerformanceMainThread_h