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// 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 "chrome/browser/page_content_annotations/page_content_annotations_service_factory.h"
#include <memory>
#include "base/feature_list.h"
#include "base/no_destructor.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "chrome/browser/app_mode/app_mode_utils.h"
#include "chrome/browser/autocomplete/zero_suggest_cache_service_factory.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/history/history_service_factory.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h"
#include "chrome/browser/optimization_guide/optimization_guide_keyed_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_attributes_entry.h"
#include "chrome/browser/profiles/profile_attributes_storage.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/search_engines/template_url_fetcher_factory.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "components/history/core/browser/history_service.h"
#include "components/leveldb_proto/public/proto_database_provider.h"
#include "components/omnibox/browser/zero_suggest_cache_service.h"
#include "components/optimization_guide/core/optimization_guide_features.h"
#include "components/page_content_annotations/core/page_content_annotations_features.h"
#include "components/page_content_annotations/core/page_content_annotations_service.h"
#include "components/search_engines/template_url_service.h"
#include "components/variations/service/variations_service.h"
#include "components/variations/service/variations_service_utils.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/storage_partition.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "chrome/browser/ash/profiles/profile_helper.h"
#endif
namespace {
bool IsEphemeralProfile(Profile* profile) {
#if BUILDFLAG(IS_CHROMEOS)
if (ash::ProfileHelper::IsEphemeralUserProfile(profile))
return true;
#endif
// Catch additional logic that may not be caught by the existing Ash check.
ProfileAttributesStorage& storage =
g_browser_process->profile_manager()->GetProfileAttributesStorage();
ProfileAttributesEntry* entry =
storage.GetProfileAttributesWithPath(profile->GetPath());
return entry && entry->IsEphemeral();
}
bool ShouldEnablePageContentAnnotations(Profile* profile) {
if (IsRunningInAppMode()) {
// The annotations we provide cannot provide any benefit to users in kiosk
// mode, so we can skip.
return false;
}
if (IsEphemeralProfile(profile)) {
// The annotations we provide won't have lasting effect if profile is
// ephemeral, so we can skip.
return false;
}
return page_content_annotations::features::
ShouldEnablePageContentAnnotations();
}
} // namespace
// static
page_content_annotations::PageContentAnnotationsService*
PageContentAnnotationsServiceFactory::GetForProfile(Profile* profile) {
return static_cast<page_content_annotations::PageContentAnnotationsService*>(
GetInstance()->GetServiceForBrowserContext(profile, true));
}
// static
PageContentAnnotationsServiceFactory*
PageContentAnnotationsServiceFactory::GetInstance() {
static base::NoDestructor<PageContentAnnotationsServiceFactory> factory;
return factory.get();
}
PageContentAnnotationsServiceFactory::PageContentAnnotationsServiceFactory()
: ProfileKeyedServiceFactory(
"PageContentAnnotationsService",
ProfileSelections::Builder()
.WithRegular(ProfileSelection::kOriginalOnly)
// TODO(crbug.com/40257657): Check if this service is needed in
// Guest mode.
.WithGuest(ProfileSelection::kOriginalOnly)
// TODO(crbug.com/41488885): Check if this service is needed for
// Ash Internals.
.WithAshInternals(ProfileSelection::kOriginalOnly)
.Build()) {
DependsOn(OptimizationGuideKeyedServiceFactory::GetInstance());
DependsOn(HistoryServiceFactory::GetInstance());
DependsOn(TemplateURLServiceFactory::GetInstance());
DependsOn(ZeroSuggestCacheServiceFactory::GetInstance());
}
PageContentAnnotationsServiceFactory::~PageContentAnnotationsServiceFactory() =
default;
std::unique_ptr<KeyedService>
PageContentAnnotationsServiceFactory::BuildServiceInstanceForBrowserContext(
content::BrowserContext* context) const {
Profile* profile = Profile::FromBrowserContext(context);
if (!ShouldEnablePageContentAnnotations(profile))
return nullptr;
auto* proto_db_provider = profile->GetOriginalProfile()
->GetDefaultStoragePartition()
->GetProtoDatabaseProvider();
base::FilePath profile_path = profile->GetOriginalProfile()->GetPath();
// The optimization guide and history services must be available for the page
// content annotations service to work.
OptimizationGuideKeyedService* optimization_guide_keyed_service =
OptimizationGuideKeyedServiceFactory::GetForProfile(profile);
history::HistoryService* history_service =
HistoryServiceFactory::GetForProfile(profile,
ServiceAccessType::IMPLICIT_ACCESS);
TemplateURLService* template_url_service =
TemplateURLServiceFactory::GetForProfile(profile);
ZeroSuggestCacheService* zero_suggest_cache_service =
ZeroSuggestCacheServiceFactory::GetForProfile(profile);
if (optimization_guide_keyed_service && history_service) {
std::string country_code =
GetCurrentCountryCode(g_browser_process->variations_service());
return std::make_unique<
page_content_annotations::PageContentAnnotationsService>(
g_browser_process->GetApplicationLocale(), country_code,
optimization_guide_keyed_service, history_service, template_url_service,
zero_suggest_cache_service, proto_db_provider, profile_path,
optimization_guide_keyed_service->GetOptimizationGuideLogger(),
optimization_guide_keyed_service,
base::ThreadPool::CreateSequencedTaskRunner(
{base::MayBlock(), base::TaskPriority::BEST_EFFORT}));
}
return nullptr;
}
bool PageContentAnnotationsServiceFactory::ServiceIsCreatedWithBrowserContext()
const {
return true;
}
bool PageContentAnnotationsServiceFactory::ServiceIsNULLWhileTesting() const {
return true;
}
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