/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import {Injectable} from '@angular/core';
import {Subject} from 'rxjs/Subject';


/** Datepicker data that requires internationalization. */
@Injectable()
export class MatDatepickerIntl {
  /**
   * Stream that emits whenever the labels here are changed. Use this to notify
   * components if the labels have changed after initialization.
   */
  changes: Subject<void> = new Subject<void>();

  /** A label for the calendar popup (used by screen readers). */
  calendarLabel = 'Calendar';

  /** A label for the button used to open the calendar popup (used by screen readers). */
  openCalendarLabel = 'Open calendar';

  /** A label for the previous month button (used by screen readers). */
  prevMonthLabel = 'Previous month';

  /** A label for the next month button (used by screen readers). */
  nextMonthLabel = 'Next month';

  /** A label for the previous year button (used by screen readers). */
  prevYearLabel = 'Previous year';

  /** A label for the next year button (used by screen readers). */
  nextYearLabel = 'Next year';

  /** A label for the 'switch to month view' button (used by screen readers). */
  switchToMonthViewLabel = 'Change to month view';

  /** A label for the 'switch to year view' button (used by screen readers). */
  switchToYearViewLabel = 'Change to year view';
}