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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/peerconnection/rtc_peer_connection_controller.h"
#include "services/metrics/public/cpp/ukm_builders.h"
namespace blink {
// static
const char RTCPeerConnectionController::kSupplementName[] =
"RTCPeerConnectionController";
// static
RTCPeerConnectionController& RTCPeerConnectionController::From(
Document& document) {
RTCPeerConnectionController* supplement =
Supplement<Document>::From<RTCPeerConnectionController>(document);
if (!supplement) {
supplement = MakeGarbageCollected<RTCPeerConnectionController>(document);
Supplement<Document>::ProvideTo(document, supplement);
}
return *supplement;
}
RTCPeerConnectionController::RTCPeerConnectionController(Document& document)
: Supplement<Document>(document) {}
void RTCPeerConnectionController::MaybeReportComplexSdp(
ComplexSdpCategory complex_sdp_category) {
if (has_reported_ukm_)
return;
// Report only the first observation for the document and ignore all others.
// This provides a good balance between privacy and meaningful metrics.
has_reported_ukm_ = true;
ukm::SourceId source_id = GetSupplementable()->UkmSourceID();
ukm::builders::WebRTC_ComplexSdp(source_id)
.SetCategory(static_cast<int64_t>(complex_sdp_category))
.Record(GetSupplementable()->UkmRecorder());
}
void RTCPeerConnectionController::Trace(Visitor* visitor) const {
Supplement<Document>::Trace(visitor);
}
} // namespace blink
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