1 files changed, 133 insertions, 0 deletions
diff --git a/toolkit/components/glean/bindings/private/Timespan.cpp b/toolkit/components/glean/bindings/private/Timespan.cpp
new file mode 100644
index 0000000000..e8377c8fcf
--- /dev/null
+++ b/toolkit/components/glean/bindings/private/Timespan.cpp
@@ -0,0 +1,133 @@
+/* -*- 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/Timespan.h"
+
+#include "Common.h"
+#include "nsString.h"
+#include "mozilla/Components.h"
+#include "mozilla/ResultVariant.h"
+#include "mozilla/glean/bindings/ScalarGIFFTMap.h"
+#include "mozilla/glean/fog_ffi_generated.h"
+#include "nsIClassInfoImpl.h"
+
+namespace mozilla::glean {
+
+namespace impl {
+
+void TimespanMetric::Start() const {
+  auto optScalarId = ScalarIdForMetric(mId);
+  if (optScalarId) {
+    auto scalarId = optScalarId.extract();
+    GetTimesToStartsLock().apply([&](auto& lock) {
+      (void)NS_WARN_IF(lock.ref()->Remove(scalarId));
+      lock.ref()->InsertOrUpdate(scalarId, TimeStamp::Now());
+    });
+  }
+  fog_timespan_start(mId);
+}
+
+void TimespanMetric::Stop() const {
+  auto optScalarId = ScalarIdForMetric(mId);
+  if (optScalarId) {
+    auto scalarId = optScalarId.extract();
+    GetTimesToStartsLock().apply([&](auto& lock) {
+      auto optStart = lock.ref()->Extract(scalarId);
+      if (!NS_WARN_IF(!optStart)) {
+        double delta = (TimeStamp::Now() - optStart.extract()).ToMilliseconds();
+        uint32_t theDelta = static_cast<uint32_t>(delta);
+        if (delta > std::numeric_limits<uint32_t>::max()) {
+          theDelta = std::numeric_limits<uint32_t>::max();
+        } else if (MOZ_UNLIKELY(delta < 0)) {
+          theDelta = 0;
+        }
+        Telemetry::ScalarSet(scalarId, theDelta);
+      }
+    });
+  }
+  fog_timespan_stop(mId);
+}
+
+void TimespanMetric::Cancel() const {
+  auto optScalarId = ScalarIdForMetric(mId);
+  if (optScalarId) {
+    auto scalarId = optScalarId.extract();
+    GetTimesToStartsLock().apply(
+        [&](auto& lock) { lock.ref()->Remove(scalarId); });
+  }
+  fog_timespan_cancel(mId);
+}
+
+void TimespanMetric::SetRaw(uint32_t aDuration) const {
+  auto optScalarId = ScalarIdForMetric(mId);
+  if (optScalarId) {
+    auto scalarId = optScalarId.extract();
+    Telemetry::ScalarSet(scalarId, aDuration);
+  }
+  fog_timespan_set_raw(mId, aDuration);
+}
+
+Result<Maybe<uint64_t>, nsCString> TimespanMetric::TestGetValue(
+    const nsACString& aPingName) const {
+  nsCString err;
+  if (fog_timespan_test_get_error(mId, &err)) {
+    return Err(err);
+  }
+  if (!fog_timespan_test_has_value(mId, &aPingName)) {
+    return Maybe<uint64_t>();
+  }
+  return Some(fog_timespan_test_get_value(mId, &aPingName));
+}
+
+}  // namespace impl
+
+NS_IMPL_CLASSINFO(GleanTimespan, nullptr, 0, {0})
+NS_IMPL_ISUPPORTS_CI(GleanTimespan, nsIGleanTimespan)
+
+NS_IMETHODIMP
+GleanTimespan::Start() {
+  mTimespan.Start();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GleanTimespan::Stop() {
+  mTimespan.Stop();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GleanTimespan::Cancel() {
+  mTimespan.Cancel();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GleanTimespan::SetRaw(uint32_t aDuration) {
+  mTimespan.SetRaw(aDuration);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+GleanTimespan::TestGetValue(const nsACString& aStorageName,
+                            JS::MutableHandle<JS::Value> aResult) {
+  auto result = mTimespan.TestGetValue(aStorageName);
+  if (result.isErr()) {
+    aResult.set(JS::UndefinedValue());
+    LogToBrowserConsole(nsIScriptError::errorFlag,
+                        NS_ConvertUTF8toUTF16(result.unwrapErr()));
+    return NS_ERROR_LOSS_OF_SIGNIFICANT_DATA;
+  }
+  auto optresult = result.unwrap();
+  if (optresult.isNothing()) {
+    aResult.set(JS::UndefinedValue());
+  } else {
+    aResult.set(JS::DoubleValue(static_cast<double>(optresult.value())));
+  }
+  return NS_OK;
+}
+
+}  // namespace mozilla::glean