/**
 * Copyright 2017 Google Inc. All rights reserved.
 * Modifications copyright (c) Microsoft Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { PageChannel } from '../channels';
import { ElementHandle } from './elementHandle';
import * as types from '../../types';

export class Accessibility {
  private _channel: PageChannel;

  constructor(channel: PageChannel) {
    this._channel = channel;
  }

  async snapshot(options: { interestingOnly?: boolean; root?: ElementHandle } = {}): Promise<types.SerializedAXNode | null> {
    const root = options.root ? options.root._elementChannel : undefined;
    const result = await this._channel.accessibilitySnapshot({ interestingOnly: options.interestingOnly, root });
    return result.rootAXNode;
  }
}