1 files changed, 64 insertions, 0 deletions
diff --git a/toolkit/components/telemetry/TelemetryScalar.h b/toolkit/components/telemetry/TelemetryScalar.h
new file mode 100644
index 000000000..b20a8dace
--- /dev/null
+++ b/toolkit/components/telemetry/TelemetryScalar.h
@@ -0,0 +1,64 @@
+/* -*-  Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* 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 TelemetryScalar_h__
+#define TelemetryScalar_h__
+
+#include "mozilla/TelemetryScalarEnums.h"
+
+// This module is internal to Telemetry. It encapsulates Telemetry's
+// scalar accumulation and storage logic. It should only be used by
+// Telemetry.cpp. These functions should not be used anywhere else.
+// For the public interface to Telemetry functionality, see Telemetry.h.
+
+namespace TelemetryScalar {
+
+void InitializeGlobalState(bool canRecordBase, bool canRecordExtended);
+void DeInitializeGlobalState();
+
+void SetCanRecordBase(bool b);
+void SetCanRecordExtended(bool b);
+
+// JS API Endpoints.
+nsresult Add(const nsACString& aName, JS::HandleValue aVal, JSContext* aCx);
+nsresult Set(const nsACString& aName, JS::HandleValue aVal, JSContext* aCx);
+nsresult SetMaximum(const nsACString& aName, JS::HandleValue aVal, JSContext* aCx);
+nsresult CreateSnapshots(unsigned int aDataset, bool aClearScalars,
+                         JSContext* aCx, uint8_t optional_argc,
+                         JS::MutableHandle<JS::Value> aResult);
+
+// Keyed JS API Endpoints.
+nsresult Add(const nsACString& aName, const nsAString& aKey, JS::HandleValue aVal,
+             JSContext* aCx);
+nsresult Set(const nsACString& aName, const nsAString& aKey, JS::HandleValue aVal,
+             JSContext* aCx);
+nsresult SetMaximum(const nsACString& aName, const nsAString& aKey, JS::HandleValue aVal,
+                    JSContext* aCx);
+nsresult CreateKeyedSnapshots(unsigned int aDataset, bool aClearScalars,
+                              JSContext* aCx, uint8_t optional_argc,
+                              JS::MutableHandle<JS::Value> aResult);
+
+// C++ API Endpoints.
+void Add(mozilla::Telemetry::ScalarID aId, uint32_t aValue);
+void Set(mozilla::Telemetry::ScalarID aId, uint32_t aValue);
+void Set(mozilla::Telemetry::ScalarID aId, const nsAString& aValue);
+void Set(mozilla::Telemetry::ScalarID aId, bool aValue);
+void SetMaximum(mozilla::Telemetry::ScalarID aId, uint32_t aValue);
+
+// Keyed C++ API Endpoints.
+void Add(mozilla::Telemetry::ScalarID aId, const nsAString& aKey, uint32_t aValue);
+void Set(mozilla::Telemetry::ScalarID aId, const nsAString& aKey, uint32_t aValue);
+void Set(mozilla::Telemetry::ScalarID aId, const nsAString& aKey, bool aValue);
+void SetMaximum(mozilla::Telemetry::ScalarID aId, const nsAString& aKey, uint32_t aValue);
+
+// Only to be used for testing.
+void ClearScalars();
+
+size_t GetMapShallowSizesOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf);
+size_t GetScalarSizesOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf);
+
+} // namespace TelemetryScalar
+
+#endif // TelemetryScalar_h__
+\ No newline at end of file