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/* -*- 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 GeckoViewStreamingTelemetry_h__
#define GeckoViewStreamingTelemetry_h__
#include "mozilla/RefCounted.h"
#include "mozilla/RefPtr.h"
#include "nsISupportsImpl.h"
#include "nsString.h"
#include <cstdint>
namespace GeckoViewStreamingTelemetry {
void HistogramAccumulate(const nsCString& aName, bool aIsCategorical,
uint32_t aValue);
void BoolScalarSet(const nsCString& aName, bool aValue);
void StringScalarSet(const nsCString& aName, const nsCString& aValue);
void UintScalarSet(const nsCString& aName, uint32_t aValue);
// Classes wishing to receive Streaming Telemetry must implement this interface
// and register themselves via RegisterDelegate.
class StreamingTelemetryDelegate {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(StreamingTelemetryDelegate)
// Receive* methods will be called from time to time on the main thread.
virtual void ReceiveHistogramSamples(const nsCString& aName,
const nsTArray<uint32_t>& aSamples) = 0;
virtual void ReceiveCategoricalHistogramSamples(
const nsCString& aName, const nsTArray<uint32_t>& aSamples) = 0;
virtual void ReceiveBoolScalarValue(const nsCString& aName, bool aValue) = 0;
virtual void ReceiveStringScalarValue(const nsCString& aName,
const nsCString& aValue) = 0;
virtual void ReceiveUintScalarValue(const nsCString& aName,
uint32_t aValue) = 0;
protected:
virtual ~StreamingTelemetryDelegate() = default;
};
// Registers the provided StreamingTelemetryDelegate to receive Streaming
// Telemetry, overwriting any previous delegate registration.
// Call on any thread.
void RegisterDelegate(const RefPtr<StreamingTelemetryDelegate>& aDelegate);
} // namespace GeckoViewStreamingTelemetry
#endif // GeckoViewStreamingTelemetry_h__
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