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// Copyright 2021 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/history_clusters/core/on_device_clustering_features.h"
#include <algorithm>
#include "base/command_line.h"
#include "base/metrics/field_trial_params.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "build/build_config.h"
namespace history_clusters {
namespace features {
const base::Feature kOnDeviceClustering{"HistoryClustersOnDeviceClustering",
base::FEATURE_ENABLED_BY_DEFAULT};
const base::Feature kUseEngagementScoreCache{"JourneysUseEngagementScoreCache",
base::FEATURE_ENABLED_BY_DEFAULT};
const base::Feature kSplitClusteringTasksToSmallerBatches{
"JourneysSplitClusteringTasksToSmallerBatches",
base::FEATURE_ENABLED_BY_DEFAULT};
base::TimeDelta ClusterNavigationTimeCutoff() {
return base::Minutes(GetFieldTrialParamByFeatureAsInt(
kOnDeviceClustering, "navigation_time_cutoff_minutes", 60));
}
bool ContentClusteringEnabled() {
return GetFieldTrialParamByFeatureAsBool(kOnDeviceClustering,
"content_clustering_enabled", true);
}
float ContentClusteringEntitySimilarityWeight() {
return GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "content_clustering_entity_similarity_weight", 1.0);
}
float ContentClusteringCategorySimilarityWeight() {
return GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "content_clustering_category_similarity_weight",
1.0);
}
float ContentClusteringSimilarityThreshold() {
float threshold = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "content_clustering_similarity_threshold", 0.2);
// Ensure that the value is [0.0 and 1.0].
return std::max(0.0f, std::min(1.0f, threshold));
}
float ContentVisibilityThreshold() {
float threshold = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "content_visibility_threshold", 0.7);
// Ensure that the value is [0.0 and 1.0].
return std::max(0.0f, std::min(1.0f, threshold));
}
int64_t GetMinPageTopicsModelVersionToUseContentVisibilityFrom() {
std::string value_as_string = GetFieldTrialParamValueByFeature(
kOnDeviceClustering, "min_page_topics_model_version_for_visibility");
int64_t value_as_int = 0;
if (!base::StringToInt64(value_as_string, &value_as_int)) {
value_as_int = INT64_MAX;
}
return value_as_int;
}
bool ShouldHideSingleVisitClustersOnProminentUISurfaces() {
return GetFieldTrialParamByFeatureAsBool(
kOnDeviceClustering,
"hide_single_visit_clusters_on_prominent_ui_surfaces", true);
}
bool ShouldDedupeSimilarVisits() {
return GetFieldTrialParamByFeatureAsBool(kOnDeviceClustering,
"dedupe_similar_visits", true);
}
bool ShouldFilterNoisyClusters() {
return GetFieldTrialParamByFeatureAsBool(kOnDeviceClustering,
"filter_noisy_clusters", true);
}
float NoisyClusterVisitEngagementThreshold() {
float threshold = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "noisy_cluster_visit_engagement_threshold", 15.0);
return threshold;
}
size_t NumberInterestingVisitsFilterThreshold() {
int threshold = GetFieldTrialParamByFeatureAsInt(
kOnDeviceClustering, "num_interesting_visits_filter_threshold", 1);
return threshold;
}
float VisitDurationRankingWeight() {
float weight = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "visit_duration_ranking_weight", 1.0);
return std::max(0.f, weight);
}
float ForegroundDurationRankingWeight() {
float weight = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "foreground_duration_ranking_weight", 1.5);
return std::max(0.f, weight);
}
float BookmarkRankingWeight() {
float weight = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "bookmark_ranking_weight", 1.0);
return std::max(0.f, weight);
}
float SearchResultsPageRankingWeight() {
float weight = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "search_results_page_ranking_weight", 2.0);
return std::max(0.f, weight);
}
float HasPageTitleRankingWeight() {
float weight = GetFieldTrialParamByFeatureAsDouble(
kOnDeviceClustering, "has_page_title_ranking_weight", 2.0);
return std::max(0.f, weight);
}
bool ContentClusterOnIntersectionSimilarity() {
return GetFieldTrialParamByFeatureAsBool(
kOnDeviceClustering, "use_content_clustering_intersection_similarity",
true);
}
int ClusterIntersectionThreshold() {
return GetFieldTrialParamByFeatureAsInt(
kOnDeviceClustering, "content_clustering_intersection_threshold", 2);
}
bool ShouldIncludeCategoriesInKeywords() {
return GetFieldTrialParamByFeatureAsBool(
kOnDeviceClustering, "include_categories_in_keywords", true);
}
bool ShouldExcludeKeywordsFromNoisyVisits() {
return GetFieldTrialParamByFeatureAsBool(
kOnDeviceClustering, "exclude_keywords_from_noisy_visits", false);
}
size_t GetClusteringTasksBatchSize() {
return GetFieldTrialParamByFeatureAsInt(
features::kSplitClusteringTasksToSmallerBatches,
"clustering_task_batch_size", 250);
}
bool ShouldSplitClustersAtSearchVisits() {
return GetFieldTrialParamByFeatureAsBool(
kOnDeviceClustering, "split_clusters_at_search_visits", true);
}
} // namespace features
} // namespace history_clusters
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