From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 toolkit/components/glean/bindings/private/Rate.h | 90 ++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 toolkit/components/glean/bindings/private/Rate.h

(limited to 'toolkit/components/glean/bindings/private/Rate.h')

diff --git a/toolkit/components/glean/bindings/private/Rate.h b/toolkit/components/glean/bindings/private/Rate.h
new file mode 100644
index 0000000000..227372bdd2
--- /dev/null
+++ b/toolkit/components/glean/bindings/private/Rate.h
@@ -0,0 +1,90 @@
+/* -*- 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_GleanRate_h
+#define mozilla_glean_GleanRate_h
+
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/glean/bindings/GleanMetric.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/Result.h"
+#include "nsString.h"
+
+namespace mozilla::dom {
+struct GleanRateData;
+}  // namespace mozilla::dom
+
+namespace mozilla::glean {
+
+namespace impl {
+
+class RateMetric {
+ public:
+  constexpr explicit RateMetric(uint32_t aId) : mId(aId) {}
+
+  /*
+   * Increases the numerator by `amount`.
+   *
+   * @param aAmount The amount to increase by. Should be positive.
+   */
+  void AddToNumerator(int32_t aAmount = 1) const;
+
+  /*
+   * Increases the denominator by `amount`.
+   *
+   * @param aAmount The amount to increase by. Should be positive.
+   */
+  void AddToDenominator(int32_t aAmount = 1) const;
+
+  /**
+   * **Test-only API**
+   *
+   * Gets the currently stored value as a pair of integers.
+   *
+   * 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, or Nothing() if there is no value.
+   */
+  Result<Maybe<std::pair<int32_t, int32_t>>, nsCString> TestGetValue(
+      const nsACString& aPingName = nsCString()) const;
+
+ private:
+  const uint32_t mId;
+};
+}  // namespace impl
+
+class GleanRate final : public GleanMetric {
+ public:
+  explicit GleanRate(uint32_t id, nsISupports* aParent)
+      : GleanMetric(aParent), mRate(id) {}
+
+  virtual JSObject* WrapObject(
+      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override final;
+
+  void AddToNumerator(int32_t aAmount);
+  void AddToDenominator(int32_t aAmount);
+
+  void TestGetValue(const nsACString& aPingName,
+                    dom::Nullable<dom::GleanRateData>& aResult,
+                    ErrorResult& aRv);
+
+ private:
+  virtual ~GleanRate() = default;
+
+  const impl::RateMetric mRate;
+};
+
+}  // namespace mozilla::glean
+
+#endif /* mozilla_glean_GleanRate_h */
-- 
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