1 files changed, 74 insertions, 0 deletions
diff --git a/toolkit/components/glean/bindings/private/Boolean.h b/toolkit/components/glean/bindings/private/Boolean.h
new file mode 100644
index 0000000000..a26bc38699
--- /dev/null
+++ b/toolkit/components/glean/bindings/private/Boolean.h
@@ -0,0 +1,74 @@
+/* -*- 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_glean_GleanBoolean_h
+#define mozilla_glean_GleanBoolean_h
+
+#include "nsIGleanMetrics.h"
+#include "mozilla/glean/fog_ffi_generated.h"
+
+namespace mozilla {
+namespace glean {
+
+namespace impl {
+
+class BooleanMetric {
+ public:
+  constexpr explicit BooleanMetric(uint32_t id) : mId(id) {}
+
+  /**
+   * Set to the specified boolean value.
+   *
+   * @param value the value to set.
+   */
+  void Set(bool value) const { fog_boolean_set(mId, int(value)); }
+
+  /**
+   * **Test-only API**
+   *
+   * Gets the currently stored value as a boolean.
+   *
+   * This function will attempt to await the last parent-process task (if any)
+   * writing to the the metric's storage engine before returning a value.
+   * This function will not wait for data from child processes.
+   *
+   * This doesn't clear the stored value.
+   * Parent process only. Panics in child processes.
+   *
+   * @param aPingName The (optional) name of the ping to retrieve the metric
+   *        for. Defaults to the first value in `send_in_pings`.
+   *
+   * @return value of the stored metric.
+   */
+  Maybe<bool> TestGetValue(const nsACString& aPingName = nsCString()) const {
+    if (!fog_boolean_test_has_value(mId, &aPingName)) {
+      return Nothing();
+    }
+    return Some(fog_boolean_test_get_value(mId, &aPingName));
+  }
+
+ private:
+  const uint32_t mId;
+};
+}  // namespace impl
+
+class GleanBoolean final : public nsIGleanBoolean {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIGLEANBOOLEAN
+
+  explicit GleanBoolean(uint32_t id) : mBoolean(id){};
+
+ private:
+  virtual ~GleanBoolean() = default;
+
+  const impl::BooleanMetric mBoolean;
+};
+
+}  // namespace glean
+}  // namespace mozilla
+
+#endif /* mozilla_glean_GleanBoolean.h */