components/send_tab_to_self/send_tab_to_self_model_type_controller.cc

// Copyright 2019 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/send_tab_to_self/send_tab_to_self_model_type_controller.h"

#include <utility>

#include "base/feature_list.h"
#include "components/sync/driver/sync_auth_util.h"
#include "components/sync/driver/sync_service.h"
#include "google_apis/gaia/google_service_auth_error.h"

namespace send_tab_to_self {

SendTabToSelfModelTypeController::SendTabToSelfModelTypeController(
    syncer::SyncService* sync_service,
    std::unique_ptr<syncer::ModelTypeControllerDelegate> delegate)
    : ModelTypeController(syncer::SEND_TAB_TO_SELF, std::move(delegate)),
      sync_service_(sync_service) {
  // TODO(crbug.com/906995): Remove this observing mechanism once all sync
  // datatypes are stopped by ProfileSyncService, when sync is paused.
  sync_service_->AddObserver(this);
}

SendTabToSelfModelTypeController::~SendTabToSelfModelTypeController() {
  sync_service_->RemoveObserver(this);
}

syncer::DataTypeController::PreconditionState
SendTabToSelfModelTypeController::GetPreconditionState() const {
  DCHECK(CalledOnValidThread());
  return syncer::IsWebSignout(sync_service_->GetAuthError())
             ? PreconditionState::kMustStopAndClearData
             : PreconditionState::kPreconditionsMet;
}

void SendTabToSelfModelTypeController::OnStateChanged(
    syncer::SyncService* sync) {
  DCHECK(CalledOnValidThread());
  // Most of these calls will be no-ops but SyncService handles that just fine.
  sync_service_->DataTypePreconditionChanged(type());
}

}  // namespace send_tab_to_self