1 files changed, 58 insertions, 0 deletions
diff --git a/dom/base/PlacesEventCounts.cpp b/dom/base/PlacesEventCounts.cpp
new file mode 100644
index 0000000000..be02e4c39b
--- /dev/null
+++ b/dom/base/PlacesEventCounts.cpp
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "PlacesEventCounts.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/dom/PlacesEventCounts.h"
+#include "mozilla/dom/PlacesEventBinding.h"
+#include "mozilla/dom/PlacesObserversBinding.h"
+
+namespace mozilla::dom {
+
+// Only needed for refcounted objects.
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(PlacesEventCounts)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(PlacesEventCounts)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(PlacesEventCounts)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PlacesEventCounts)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+PlacesEventCounts::PlacesEventCounts() {
+  ErrorResult rv;
+  for (auto eventType : MakeWebIDLEnumeratedRange<PlacesEventType>()) {
+    PlacesEventCounts_Binding::MaplikeHelpers::Set(
+        this, NS_ConvertUTF8toUTF16(GetEnumString(eventType)), 0, rv);
+    if (NS_WARN_IF(rv.Failed())) {
+      rv.SuppressException();
+      return;
+    }
+  }
+}
+
+nsresult PlacesEventCounts::Increment(PlacesEventType aEventType) {
+  ErrorResult rv;
+  nsAutoCString eventName(GetEnumString(aEventType));
+  uint64_t count = PlacesEventCounts_Binding::MaplikeHelpers::Get(
+      this, NS_ConvertUTF8toUTF16(eventName), rv);
+  if (MOZ_UNLIKELY(rv.Failed())) {
+    return rv.StealNSResult();
+  }
+  PlacesEventCounts_Binding::MaplikeHelpers::Set(
+      this, NS_ConvertUTF8toUTF16(eventName), ++count, rv);
+  if (MOZ_UNLIKELY(rv.Failed())) {
+    return rv.StealNSResult();
+  }
+  return NS_OK;
+}
+
+JSObject* PlacesEventCounts::WrapObject(JSContext* aCx,
+                                        JS::Handle<JSObject*> aGivenProto) {
+  return PlacesEventCounts_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+}  // namespace mozilla::dom