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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 GeckoTelemetryDelegate_h__
#define GeckoTelemetryDelegate_h__
#include "geckoview/streaming/GeckoViewStreamingTelemetry.h"
#include <jni.h>
#include "mozilla/java/RuntimeTelemetryNatives.h"
#include "mozilla/jni/Natives.h"
namespace mozilla {
namespace widget {
class GeckoTelemetryDelegate final
: public GeckoViewStreamingTelemetry::StreamingTelemetryDelegate,
public mozilla::java::RuntimeTelemetry::Proxy::Natives<
GeckoTelemetryDelegate> {
public:
// Implement Proxy native.
static void RegisterDelegateProxy(
mozilla::java::RuntimeTelemetry::Proxy::Param aProxy) {
MOZ_ASSERT(aProxy);
GeckoViewStreamingTelemetry::RegisterDelegate(
new GeckoTelemetryDelegate(aProxy));
}
explicit GeckoTelemetryDelegate(
mozilla::java::RuntimeTelemetry::Proxy::Param aProxy)
: mProxy(aProxy) {}
private:
void DispatchHistogram(bool aIsCategorical, const nsCString& aName,
const nsTArray<uint32_t>& aSamples) {
if (!mozilla::jni::IsAvailable() || !mProxy || aSamples.Length() < 1) {
return;
}
// Convert aSamples to an array of int64_t. We know |samples| required
// capacity needs to match |aSamples.Length()|.
nsTArray<int64_t> samples(aSamples.Length());
for (size_t i = 0, l = aSamples.Length(); i < l; ++i) {
samples.AppendElement(static_cast<int64_t>(aSamples[i]));
}
// LongArray::New *copies* the elements
mProxy->DispatchHistogram(
aIsCategorical, aName,
mozilla::jni::LongArray::New(samples.Elements(), samples.Length()));
}
// Implement StreamingTelemetryDelegate.
void ReceiveHistogramSamples(const nsCString& aName,
const nsTArray<uint32_t>& aSamples) override {
DispatchHistogram(/* isCategorical */ false, aName, aSamples);
}
void ReceiveCategoricalHistogramSamples(
const nsCString& aName, const nsTArray<uint32_t>& aSamples) override {
DispatchHistogram(/* isCategorical */ true, aName, aSamples);
}
void ReceiveBoolScalarValue(const nsCString& aName, bool aValue) override {
if (!mozilla::jni::IsAvailable() || !mProxy) {
return;
}
mProxy->DispatchBooleanScalar(aName, aValue);
}
void ReceiveStringScalarValue(const nsCString& aName,
const nsCString& aValue) override {
if (!mozilla::jni::IsAvailable() || !mProxy) {
return;
}
mProxy->DispatchStringScalar(aName, aValue);
}
void ReceiveUintScalarValue(const nsCString& aName,
uint32_t aValue) override {
if (!mozilla::jni::IsAvailable() || !mProxy) {
return;
}
mProxy->DispatchLongScalar(aName, static_cast<int64_t>(aValue));
}
mozilla::java::RuntimeTelemetry::Proxy::GlobalRef mProxy;
};
} // namespace widget
} // namespace mozilla
#endif // GeckoTelemetryDelegate_h__
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