1 files changed, 36 insertions, 0 deletions
diff --git a/toolkit/components/glean/bindings/private/Counter.cpp b/toolkit/components/glean/bindings/private/Counter.cpp
new file mode 100644
index 0000000000..2b8a429dc8
--- /dev/null
+++ b/toolkit/components/glean/bindings/private/Counter.cpp
@@ -0,0 +1,36 @@
+/* -*- 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 "mozilla/glean/bindings/Counter.h"
+
+#include "nsString.h"
+#include "mozilla/Components.h"
+#include "nsIClassInfoImpl.h"
+
+namespace mozilla::glean {
+
+NS_IMPL_CLASSINFO(GleanCounter, nullptr, 0, {0})
+NS_IMPL_ISUPPORTS_CI(GleanCounter, nsIGleanCounter)
+
+NS_IMETHODIMP
+GleanCounter::Add(uint32_t aAmount) {
+  mCounter.Add(aAmount);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GleanCounter::TestGetValue(const nsACString& aStorageName,
+                           JS::MutableHandleValue aResult) {
+  auto result = mCounter.TestGetValue(aStorageName);
+  if (result.isNothing()) {
+    aResult.set(JS::UndefinedValue());
+  } else {
+    aResult.set(JS::Int32Value(result.value()));
+  }
+  return NS_OK;
+}
+
+}  // namespace mozilla::glean