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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/preloading/preloading_prediction.h"
#include "content/public/browser/page.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "services/metrics/public/cpp/ukm_recorder.h"
namespace content {
PreloadingPrediction::PreloadingPrediction(
PreloadingPredictor predictor,
double confidence,
ukm::SourceId triggered_primary_page_source_id,
PreloadingURLMatchCallback url_match_predicate)
: predictor_type_(predictor),
confidence_(confidence),
triggered_primary_page_source_id_(triggered_primary_page_source_id),
url_match_predicate_(std::move(url_match_predicate)) {}
PreloadingPrediction::~PreloadingPrediction() = default;
void PreloadingPrediction::RecordPreloadingPredictionUKMs(
ukm::SourceId navigated_page_source_id) {
ukm::UkmRecorder* ukm_recorder = ukm::UkmRecorder::Get();
// Don't log when the source id is invalid.
if (navigated_page_source_id != ukm::kInvalidSourceId) {
ukm::builders::Preloading_Prediction(navigated_page_source_id)
.SetPreloadingPredictor(static_cast<int64_t>(predictor_type_))
.SetConfidence(confidence_)
.SetAccuratePrediction(is_accurate_prediction_)
.Record(ukm_recorder);
}
if (triggered_primary_page_source_id_ != ukm::kInvalidSourceId) {
ukm::builders::Preloading_Prediction_PreviousPrimaryPage(
triggered_primary_page_source_id_)
.SetPreloadingPredictor(static_cast<int64_t>(predictor_type_))
.SetConfidence(confidence_)
.SetAccuratePrediction(is_accurate_prediction_)
.Record(ukm_recorder);
}
}
void PreloadingPrediction::SetIsAccuratePrediction(const GURL& navigated_url) {
DCHECK(url_match_predicate_);
// Use the predicate to match the URLs as the matching logic varies for each
// predictor.
is_accurate_prediction_ |= url_match_predicate_.Run(navigated_url);
}
} // namespace content
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