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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 "chrome/browser/browsing_data/browsing_data_history_observer_service.h"
#include <tuple>
#include "base/functional/callback_helpers.h"
#include "base/memory/singleton.h"
#include "build/build_config.h"
#include "chrome/browser/browsing_data/navigation_entry_remover.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/sessions/tab_restore_service_factory.h"
#include "chrome/common/buildflags.h"
#include "components/search_engines/template_url_service.h"
#if BUILDFLAG(IS_ANDROID)
#include "chrome/browser/commerce/merchant_viewer/merchant_viewer_data_manager.h"
#include "chrome/browser/commerce/merchant_viewer/merchant_viewer_data_manager_factory.h"
#include "chrome/browser/commerce/shopping_service_factory.h"
#include "components/commerce/core/feature_utils.h"
#include "components/commerce/core/shopping_service.h"
#endif
#if BUILDFLAG(ENABLE_SESSION_SERVICE)
#include "chrome/browser/sessions/session_service_factory.h"
#endif
namespace {
// This method takes in parameter |urls|, which is a map,
// {Origin -> {Count, LastVisitTime}}, keyed by origin to the
// count of its URLs in the history and its last visit time.
// Here, we iterate over the map to return the set of origins
// which doesn't have any of its urls present in the history.
// A flat_set is returned for efficient lookups
// in the Contains method below. The insertion
// time is O(n.logn) as we invoke the move
// constructor with std::vector.
base::flat_set<GURL> GetDeletedOrigins(
const history::OriginCountAndLastVisitMap& urls) {
std::vector<GURL> deleted_origins;
// Iterating over the map {Origin -> {Count, LastVisitTime}}.
for (const auto& key_value : urls) {
// If the Count is greater than 0, it means few of the origin's URL(s) are
// still in the history, so we shouldn't mark the origin for deletion.
if (key_value.second.first > 0)
continue;
deleted_origins.push_back(key_value.first);
}
return base::flat_set<GURL>(std::move(deleted_origins));
}
bool Contains(const base::flat_set<GURL>& deleted_origins,
const GURL& template_gurl) {
return deleted_origins.contains(template_gurl.DeprecatedGetOriginAsURL());
}
void DeleteTemplateUrlsForTimeRange(TemplateURLService* keywords_model,
base::Time delete_begin,
base::Time delete_end) {
if (!keywords_model->loaded()) {
// TODO(crbug.com/40211652): Ignoring the return value here is
// probably a bug.
std::ignore = keywords_model->RegisterOnLoadedCallback(
base::BindOnce(&DeleteTemplateUrlsForTimeRange, keywords_model,
delete_begin, delete_end));
keywords_model->Load();
return;
}
keywords_model->RemoveAutoGeneratedBetween(delete_begin, delete_end);
}
void DeleteTemplateUrlsForDeletedOrigins(TemplateURLService* keywords_model,
base::flat_set<GURL> deleted_origins) {
if (!keywords_model->loaded()) {
// TODO(crbug.com/40211652): Ignoring the return value here is
// probably a bug.
std::ignore = keywords_model->RegisterOnLoadedCallback(
base::BindOnce(&DeleteTemplateUrlsForDeletedOrigins, keywords_model,
std::move(deleted_origins)));
keywords_model->Load();
return;
}
keywords_model->RemoveAutoGeneratedForUrlsBetween(
base::BindRepeating(&Contains, std::move(deleted_origins)),
base::Time::Min(), base::Time::Max());
}
#if BUILDFLAG(IS_ANDROID)
void ClearCommerceData(Profile* profile,
const history::DeletionInfo& deletion_info) {
MerchantViewerDataManager* merchant_viewer_data_manager =
MerchantViewerDataManagerFactory::GetForProfile(profile);
if (!merchant_viewer_data_manager)
return;
if (deletion_info.time_range().IsValid()) {
merchant_viewer_data_manager->DeleteMerchantViewerDataForTimeRange(
deletion_info.time_range().begin(), deletion_info.time_range().end());
} else {
auto deleted_origins =
GetDeletedOrigins(deletion_info.deleted_urls_origin_map());
merchant_viewer_data_manager->DeleteMerchantViewerDataForOrigins(
std::move(deleted_origins));
}
}
#endif
} // namespace
BrowsingDataHistoryObserverService::BrowsingDataHistoryObserverService(
Profile* profile)
: profile_(profile) {
auto* history_service = HistoryServiceFactory::GetForProfile(
profile, ServiceAccessType::EXPLICIT_ACCESS);
if (history_service)
history_observation_.Observe(history_service);
}
BrowsingDataHistoryObserverService::~BrowsingDataHistoryObserverService() =
default;
void BrowsingDataHistoryObserverService::OnHistoryDeletions(
history::HistoryService* history_service,
const history::DeletionInfo& deletion_info) {
if (!deletion_info.is_from_expiration())
browsing_data::RemoveNavigationEntries(profile_, deletion_info);
// Deleting Template URLs. This also handles expiration events.
TemplateURLService* keywords_model =
TemplateURLServiceFactory::GetForProfile(profile_);
if (deletion_info.time_range().IsValid()) {
if (keywords_model) {
DeleteTemplateUrlsForTimeRange(keywords_model,
deletion_info.time_range().begin(),
deletion_info.time_range().end());
}
} else {
// If the history deletion did not have a time range, delete data by
// origin.
auto deleted_origins =
GetDeletedOrigins(deletion_info.deleted_urls_origin_map());
// Move the deleted origins to avoid an expensive copy.
if (keywords_model) {
DeleteTemplateUrlsForDeletedOrigins(keywords_model,
std::move(deleted_origins));
}
}
#if BUILDFLAG(IS_ANDROID)
commerce::ShoppingService* shopping_service =
commerce::ShoppingServiceFactory::GetForBrowserContext(profile_);
if (shopping_service && commerce::IsMerchantViewerEnabled(
shopping_service->GetAccountChecker())) {
ClearCommerceData(profile_, deletion_info);
}
#endif
}
// static
BrowsingDataHistoryObserverService::Factory*
BrowsingDataHistoryObserverService::Factory::GetInstance() {
return base::Singleton<BrowsingDataHistoryObserverService::Factory>::get();
}
BrowsingDataHistoryObserverService::Factory::Factory()
: ProfileKeyedServiceFactory(
"BrowsingDataHistoryObserverService",
ProfileSelections::Builder()
.WithGuest(ProfileSelection::kNone)
// TODO(crbug.com/41488885): Check if this service is needed for
// Ash Internals.
.WithAshInternals(ProfileSelection::kOriginalOnly)
.Build()) {
DependsOn(HistoryServiceFactory::GetInstance());
DependsOn(TabRestoreServiceFactory::GetInstance());
#if BUILDFLAG(ENABLE_SESSION_SERVICE)
DependsOn(SessionServiceFactory::GetInstance());
#endif
#if BUILDFLAG(IS_ANDROID)
DependsOn(MerchantViewerDataManagerFactory::GetInstance());
DependsOn(commerce::ShoppingServiceFactory::GetInstance());
#endif
}
std::unique_ptr<KeyedService> BrowsingDataHistoryObserverService::Factory::
BuildServiceInstanceForBrowserContext(
content::BrowserContext* context) const {
Profile* profile = Profile::FromBrowserContext(context);
return std::make_unique<BrowsingDataHistoryObserverService>(profile);
}
bool BrowsingDataHistoryObserverService::Factory::
ServiceIsCreatedWithBrowserContext() const {
// Create this service at startup to receive all deletion events.
return true;
}
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