on_device_clustering_backend.cc | Explore in Territory

// Copyright 2021 The Chromium Authors
// 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_backend.h"

#include <algorithm>
#include <iterator>
#include <set>

#include "base/containers/flat_map.h"
#include "base/i18n/case_conversion.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/string_util.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "base/timer/elapsed_timer.h"
#include "components/history/core/browser/history_types.h"
#include "components/history_clusters/core/cluster_finalizer.h"
#include "components/history_clusters/core/cluster_interaction_state_processor.h"
#include "components/history_clusters/core/cluster_processor.h"
#include "components/history_clusters/core/cluster_similarity_heuristics_processor.h"
#include "components/history_clusters/core/clusterer.h"
#include "components/history_clusters/core/config.h"
#include "components/history_clusters/core/content_visibility_cluster_finalizer.h"
#include "components/history_clusters/core/features.h"
#include "components/history_clusters/core/filter_cluster_processor.h"
#include "components/history_clusters/core/history_clusters_util.h"
#include "components/history_clusters/core/keyword_cluster_finalizer.h"
#include "components/history_clusters/core/label_cluster_finalizer.h"
#include "components/history_clusters/core/noisy_cluster_finalizer.h"
#include "components/history_clusters/core/on_device_clustering_features.h"
#include "components/history_clusters/core/on_device_clustering_util.h"
#include "components/history_clusters/core/ranking_cluster_finalizer.h"
#include "components/history_clusters/core/similar_visit_deduper_cluster_finalizer.h"
#include "components/history_clusters/core/single_visit_cluster_finalizer.h"
#include "components/optimization_guide/core/optimization_guide_decider.h"
#include "components/site_engagement/core/site_engagement_score_provider.h"
#include "components/url_formatter/url_formatter.h"

namespace history_clusters {

namespace {

void RecordBatchUpdateProcessingTime(base::TimeDelta time_delta) { … }

}  // namespace

OnDeviceClusteringBackend::OnDeviceClusteringBackend(
    site_engagement::SiteEngagementScoreProvider* engagement_score_provider,
    optimization_guide::OptimizationGuideDecider* optimization_guide_decider)
    : … { … }

OnDeviceClusteringBackend::~OnDeviceClusteringBackend() { … }

void OnDeviceClusteringBackend::GetClusters(
    ClusteringRequestSource clustering_request_source,
    ClustersCallback callback,
    std::vector<history::AnnotatedVisit> visits,
    bool requires_ui_and_triggerability) { … }

void OnDeviceClusteringBackend::GetClustersForUI(
    ClusteringRequestSource clustering_request_source,
    QueryClustersFilterParams filter_params,
    ClustersCallback callback,
    std::vector<history::Cluster> clusters) { … }

void OnDeviceClusteringBackend::GetClusterTriggerability(
    ClustersCallback callback,
    std::vector<history::Cluster> clusters) { … }

void OnDeviceClusteringBackend::ProcessVisits(
    ClusteringRequestSource clustering_request_source,
    std::vector<history::AnnotatedVisit> annotated_visits,
    bool requires_ui_and_triggerability,
    ClustersCallback callback) { … }

void OnDeviceClusteringBackend::OnAllVisitsFinishedProcessing(
    ClusteringRequestSource clustering_request_source,
    std::vector<history::ClusterVisit> cluster_visits,
    bool requires_ui_and_triggerability,
    ClustersCallback callback) { … }

void OnDeviceClusteringBackend::DispatchGetClustersForUIToBackgroundThread(
    ClusteringRequestSource clustering_request_source,
    QueryClustersFilterParams filter_params,
    ClustersCallback callback,
    std::vector<history::Cluster> clusters) { … }

void OnDeviceClusteringBackend::
    DispatchGetClusterTriggerabilityToBackgroundThread(
        ClustersCallback callback,
        std::vector<history::Cluster> clusters) { … }

// static
std::vector<history::Cluster>
OnDeviceClusteringBackend::ClusterVisitsOnBackgroundThread(
    ClusteringRequestSource clustering_request_source,
    bool engagement_score_provider_is_valid,
    std::vector<history::ClusterVisit> visits,
    bool requires_ui_and_triggerability) { … }

// static
std::vector<history::Cluster>
OnDeviceClusteringBackend::GetClustersForUIOnBackgroundThread(
    ClusteringRequestSource clustering_request_source,
    QueryClustersFilterParams filter_params,
    bool engagement_score_provider_is_valid,
    std::vector<history::Cluster> clusters,
    bool calculate_triggerability) { … }

// static
std::vector<history::Cluster>
OnDeviceClusteringBackend::GetClusterTriggerabilityOnBackgroundThread(
    bool engagement_score_provider_is_valid,
    std::vector<history::Cluster> clusters,
    bool from_ui) { … }

}  // namespace history_clusters
chromium/components/history_clusters/core/on_device_clustering_backend.cc
