1 files changed, 54 insertions, 0 deletions
diff --git a/dom/performance/PerformanceEntry.cpp b/dom/performance/PerformanceEntry.cpp
new file mode 100644
index 0000000000..f9337cc1ce
--- /dev/null
+++ b/dom/performance/PerformanceEntry.cpp
@@ -0,0 +1,54 @@
+/* -*- 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 "PerformanceEntry.h"
+#include "MainThreadUtils.h"
+
+using namespace mozilla::dom;
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PerformanceEntry, mParent)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(PerformanceEntry)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(PerformanceEntry)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PerformanceEntry)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+PerformanceEntry::PerformanceEntry(nsISupports* aParent, const nsAString& aName,
+                                   const nsAString& aEntryType)
+    : mParent(aParent),
+      mName(NS_Atomize(aName)),
+      mEntryType(NS_Atomize(aEntryType)) {}
+
+PerformanceEntry::~PerformanceEntry() = default;
+
+size_t PerformanceEntry::SizeOfExcludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  // mName and mEntryType are considered to be owned by nsAtomTable.
+  return 0;
+}
+
+size_t PerformanceEntry::SizeOfIncludingThis(
+    mozilla::MallocSizeOf aMallocSizeOf) const {
+  return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
+}
+
+bool PerformanceEntry::ShouldAddEntryToObserverBuffer(
+    PerformanceObserverInit& aOption) const {
+  if (aOption.mType.WasPassed()) {
+    if (GetEntryType()->Equals(aOption.mType.Value())) {
+      return true;
+    }
+  } else {
+    if (aOption.mEntryTypes.Value().Contains(
+            nsDependentAtomString(GetEntryType()))) {
+      return true;
+    }
+  }
+  return false;
+}