// 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.

module content;

import "content/public/common/background_sync.mojom";
import "content/public/common/permission_status.mojom";
import "content/public/common/service_worker_event_status.mojom";

enum BackgroundSyncError {
  NONE,
  STORAGE,
  NOT_FOUND,
  NO_SERVICE_WORKER,
  NOT_ALLOWED,
  MAX=NOT_ALLOWED
};

enum BackgroundSyncState {
  PENDING,
  FIRING,
  UNREGISTERED_WHILE_FIRING,
  REREGISTERED_WHILE_FIRING,
  FAILED,
  SUCCESS,
  UNREGISTERED
};

enum BackgroundSyncEventLastChance {
  IS_NOT_LAST_CHANCE,
  IS_LAST_CHANCE
};

interface BackgroundSyncService {
  Register(SyncRegistration options, int64 service_worker_registration_id,
           bool requested_from_service_worker)
      => (BackgroundSyncError err, SyncRegistration options);
  GetRegistration(BackgroundSyncPeriodicity periodicity, string tag,
                  int64 service_worker_registration_id)
      => (BackgroundSyncError err, SyncRegistration? registration);
  GetRegistrations(BackgroundSyncPeriodicity periodicity,
                   int64 service_worker_registration_id)
      => (BackgroundSyncError err, array<SyncRegistration> registrations);
  Unregister(int64 handle_id, int64 service_worker_registration_id)
      => (BackgroundSyncError err);
  GetPermissionStatus(BackgroundSyncPeriodicity periodicity,
                      int64 service_worker_registration_id)
      => (BackgroundSyncError err, PermissionStatus status);
  DuplicateRegistrationHandle(int64 handle_id)
      => (BackgroundSyncError err, SyncRegistration? registration);
  ReleaseRegistration(int64 handle_id);
  NotifyWhenFinished(int64 handle_id) => (BackgroundSyncError err, BackgroundSyncState final_status);
};

interface BackgroundSyncServiceClient {
  Sync(int64 handle_id, BackgroundSyncEventLastChance last_chance)
      => (ServiceWorkerEventStatus status);
};