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// Copyright 2012 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/autofill/core/browser/webdata/autofill_profile_data_type_controller.h"
#include <utility>
#include "base/bind.h"
#include "base/metrics/histogram.h"
#include "components/autofill/core/browser/personal_data_manager.h"
#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
#include "components/autofill/core/common/autofill_pref_names.h"
#include "components/prefs/pref_service.h"
#include "components/sync/base/experiments.h"
#include "components/sync/driver/sync_client.h"
#include "components/sync/driver/sync_service.h"
#include "components/sync/model/sync_error.h"
#include "components/sync/model/syncable_service.h"
namespace browser_sync {
AutofillProfileDataTypeController::AutofillProfileDataTypeController(
scoped_refptr<base::SingleThreadTaskRunner> db_thread,
const base::Closure& dump_stack,
syncer::SyncClient* sync_client,
const scoped_refptr<autofill::AutofillWebDataService>& web_data_service)
: AsyncDirectoryTypeController(syncer::AUTOFILL_PROFILE,
dump_stack,
sync_client,
syncer::GROUP_DB,
std::move(db_thread)),
sync_client_(sync_client),
web_data_service_(web_data_service),
callback_registered_(false),
currently_enabled_(IsEnabled()) {
pref_registrar_.Init(sync_client_->GetPrefService());
pref_registrar_.Add(
autofill::prefs::kAutofillEnabled,
base::Bind(&AutofillProfileDataTypeController::OnUserPrefChanged,
base::AsWeakPtr(this)));
}
void AutofillProfileDataTypeController::WebDatabaseLoaded() {
DCHECK(CalledOnValidThread());
OnModelLoaded();
}
void AutofillProfileDataTypeController::OnPersonalDataChanged() {
DCHECK(CalledOnValidThread());
DCHECK_EQ(state(), MODEL_STARTING);
sync_client_->GetPersonalDataManager()->RemoveObserver(this);
if (!web_data_service_)
return;
if (web_data_service_->IsDatabaseLoaded()) {
OnModelLoaded();
} else if (!callback_registered_) {
web_data_service_->RegisterDBLoadedCallback(
base::Bind(&AutofillProfileDataTypeController::WebDatabaseLoaded,
base::AsWeakPtr(this)));
callback_registered_ = true;
}
}
AutofillProfileDataTypeController::~AutofillProfileDataTypeController() {}
bool AutofillProfileDataTypeController::StartModels() {
DCHECK(CalledOnValidThread());
DCHECK_EQ(state(), MODEL_STARTING);
if (!IsEnabled()) {
DisableForPolicy();
return false;
}
// Waiting for the personal data is subtle: we do this as the PDM resets
// its cache of unique IDs once it gets loaded. If we were to proceed with
// association, the local ids in the mappings would wind up colliding.
autofill::PersonalDataManager* personal_data =
sync_client_->GetPersonalDataManager();
if (!personal_data->IsDataLoaded()) {
personal_data->AddObserver(this);
return false;
}
if (!web_data_service_)
return false;
if (web_data_service_->IsDatabaseLoaded())
return true;
if (!callback_registered_) {
web_data_service_->RegisterDBLoadedCallback(
base::Bind(&AutofillProfileDataTypeController::WebDatabaseLoaded,
base::AsWeakPtr(this)));
callback_registered_ = true;
}
return false;
}
void AutofillProfileDataTypeController::StopModels() {
DCHECK(CalledOnValidThread());
sync_client_->GetPersonalDataManager()->RemoveObserver(this);
}
bool AutofillProfileDataTypeController::ReadyForStart() const {
DCHECK(CalledOnValidThread());
return currently_enabled_;
}
void AutofillProfileDataTypeController::OnUserPrefChanged() {
DCHECK(CalledOnValidThread());
bool new_enabled = IsEnabled();
if (currently_enabled_ == new_enabled)
return; // No change to sync state.
currently_enabled_ = new_enabled;
if (currently_enabled_) {
// The preference was just enabled. Trigger a reconfiguration. This will do
// nothing if the type isn't preferred.
syncer::SyncService* sync_service = sync_client_->GetSyncService();
sync_service->ReenableDatatype(type());
} else {
DisableForPolicy();
}
}
bool AutofillProfileDataTypeController::IsEnabled() {
DCHECK(CalledOnValidThread());
// Require the user-visible pref to be enabled to sync Autofill Profile data.
PrefService* ps = sync_client_->GetPrefService();
return ps->GetBoolean(autofill::prefs::kAutofillEnabled);
}
void AutofillProfileDataTypeController::DisableForPolicy() {
if (state() != NOT_RUNNING && state() != STOPPING) {
CreateErrorHandler()->OnUnrecoverableError(
syncer::SyncError(FROM_HERE, syncer::SyncError::DATATYPE_POLICY_ERROR,
"Profile syncing is disabled by policy.", type()));
}
}
} // namespace browser_sync
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