1 files changed, 104 insertions, 0 deletions
diff --git a/toolkit/components/telemetry/TelemetryHistogram.h b/toolkit/components/telemetry/TelemetryHistogram.h
new file mode 100644
index 0000000000..4aa13e259d
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+++ b/toolkit/components/telemetry/TelemetryHistogram.h
@@ -0,0 +1,104 @@
+/* -*-  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 TelemetryHistogram_h__
+#define TelemetryHistogram_h__
+
+#include "mozilla/TelemetryHistogramEnums.h"
+
+#include "mozilla/TelemetryComms.h"
+#include "nsXULAppAPI.h"
+
+// This module is internal to Telemetry.  It encapsulates Telemetry's
+// histogram 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 TelemetryHistogram {
+
+void CreateStatisticsRecorder();
+void DestroyStatisticsRecorder();
+
+void InitializeGlobalState(bool canRecordBase, bool canRecordExtended);
+void DeInitializeGlobalState();
+#ifdef DEBUG
+bool GlobalStateHasBeenInitialized();
+#endif
+
+bool CanRecordBase();
+void SetCanRecordBase(bool b);
+bool CanRecordExtended();
+void SetCanRecordExtended(bool b);
+
+void InitHistogramRecordingEnabled();
+void SetHistogramRecordingEnabled(mozilla::Telemetry::ID aID, bool aEnabled);
+
+nsresult SetHistogramRecordingEnabled(const nsACString &id, bool aEnabled);
+
+void Accumulate(mozilla::Telemetry::ID aHistogram, uint32_t aSample);
+void Accumulate(mozilla::Telemetry::ID aID, const nsCString& aKey,
+                                            uint32_t aSample);
+void Accumulate(const char* name, uint32_t sample);
+void Accumulate(const char* name, const nsCString& key, uint32_t sample);
+
+void AccumulateCategorical(mozilla::Telemetry::ID aId, const nsCString& aLabel);
+
+void AccumulateChild(GeckoProcessType aProcessType,
+                     const nsTArray<mozilla::Telemetry::Accumulation>& aAccumulations);
+void AccumulateChildKeyed(GeckoProcessType aProcessType,
+                          const nsTArray<mozilla::Telemetry::KeyedAccumulation>& aAccumulations);
+
+nsresult
+GetHistogramById(const nsACString &name, JSContext *cx,
+                 JS::MutableHandle<JS::Value> ret);
+
+nsresult
+GetKeyedHistogramById(const nsACString &name, JSContext *cx,
+                      JS::MutableHandle<JS::Value> ret);
+
+const char*
+GetHistogramName(mozilla::Telemetry::ID id);
+
+nsresult
+CreateHistogramSnapshots(JSContext *cx, JS::MutableHandle<JS::Value> ret,
+                         bool subsession, bool clearSubsession);
+
+nsresult
+RegisteredHistograms(uint32_t aDataset, uint32_t *aCount,
+                     char*** aHistograms);
+
+nsresult
+RegisteredKeyedHistograms(uint32_t aDataset, uint32_t *aCount,
+                          char*** aHistograms);
+
+nsresult
+GetKeyedHistogramSnapshots(JSContext *cx, JS::MutableHandle<JS::Value> ret);
+
+nsresult
+RegisterAddonHistogram(const nsACString &id, const nsACString &name,
+                       uint32_t histogramType, uint32_t min, uint32_t max,
+                       uint32_t bucketCount, uint8_t optArgCount);
+
+nsresult
+GetAddonHistogram(const nsACString &id, const nsACString &name,
+                  JSContext *cx, JS::MutableHandle<JS::Value> ret);
+
+nsresult
+UnregisterAddonHistograms(const nsACString &id);
+
+nsresult
+GetAddonHistogramSnapshots(JSContext *cx, JS::MutableHandle<JS::Value> ret);
+
+size_t
+GetMapShallowSizesOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf);
+
+size_t
+GetHistogramSizesofIncludingThis(mozilla::MallocSizeOf aMallocSizeOf);
+
+void
+IPCTimerFired(nsITimer* aTimer, void* aClosure);
+} // namespace TelemetryHistogram
+
+#endif // TelemetryHistogram_h__