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// Copyright 2015 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 "ios/chrome/browser/history/web_history_service_factory.h"
#include "base/memory/singleton.h"
#include "components/browser_sync/browser/profile_sync_service.h"
#include "components/history/core/browser/web_history_service.h"
#include "components/keyed_service/ios/browser_state_dependency_manager.h"
#include "components/prefs/pref_service.h"
#include "components/signin/core/browser/profile_oauth2_token_service.h"
#include "components/signin/core/browser/signin_manager.h"
#include "components/sync_driver/sync_service.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
#include "ios/chrome/browser/signin/oauth2_token_service_factory.h"
#include "ios/chrome/browser/signin/signin_manager_factory.h"
#include "ios/chrome/browser/sync/ios_chrome_profile_sync_service_factory.h"
#include "net/url_request/url_request_context_getter.h"
namespace ios {
namespace {
// Returns true if the user is signed-in and full history sync is enabled,
// false otherwise.
bool IsHistorySyncEnabled(ios::ChromeBrowserState* browser_state) {
sync_driver::SyncService* sync_service =
IOSChromeProfileSyncServiceFactory::GetForBrowserState(browser_state);
return sync_service && sync_service->IsSyncActive() &&
sync_service->GetActiveDataTypes().Has(
syncer::HISTORY_DELETE_DIRECTIVES);
}
} // namespace
// static
history::WebHistoryService* WebHistoryServiceFactory::GetForBrowserState(
ios::ChromeBrowserState* browser_state) {
// Ensure that the service is not instantiated or used if the user is not
// signed into sync, or if web history is not enabled.
if (!IsHistorySyncEnabled(browser_state))
return nullptr;
return static_cast<history::WebHistoryService*>(
GetInstance()->GetServiceForBrowserState(browser_state, true));
}
// static
WebHistoryServiceFactory* WebHistoryServiceFactory::GetInstance() {
return base::Singleton<WebHistoryServiceFactory>::get();
}
WebHistoryServiceFactory::WebHistoryServiceFactory()
: BrowserStateKeyedServiceFactory(
"WebHistoryService",
BrowserStateDependencyManager::GetInstance()) {
DependsOn(IOSChromeProfileSyncServiceFactory::GetInstance());
DependsOn(OAuth2TokenServiceFactory::GetInstance());
DependsOn(ios::SigninManagerFactory::GetInstance());
}
WebHistoryServiceFactory::~WebHistoryServiceFactory() {
}
scoped_ptr<KeyedService> WebHistoryServiceFactory::BuildServiceInstanceFor(
web::BrowserState* context) const {
ios::ChromeBrowserState* browser_state =
ios::ChromeBrowserState::FromBrowserState(context);
return make_scoped_ptr(new history::WebHistoryService(
OAuth2TokenServiceFactory::GetForBrowserState(browser_state),
ios::SigninManagerFactory::GetForBrowserState(browser_state),
browser_state->GetRequestContext()));
}
} // namespace ios
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