# all files / lighthouse-core/lib/ network-recorder.js

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     /**
     * @license
     * Copyright 2016 Google Inc. All Rights Reserved.
     *
     * 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.
     */
    'use strict';

    const NetworkManager = require('./web-inspector').NetworkManager;

    const REQUEST_FINISHED = NetworkManager.EventTypes.RequestFinished;

    class NetworkRecorder {
      constructor(recordArray) {
        this._records = recordArray;

        this.networkManager = NetworkManager.createWithFakeTarget();

        // TODO(bckenny): loadingFailed calls are not recorded in REQUEST_FINISHED.
        this.networkManager.addEventListener(REQUEST_FINISHED, request => {
          this._records.push(request.data);
        });

        this.onRequestWillBeSent = this.onRequestWillBeSent.bind(this);
        this.onRequestServedFromCache = this.onRequestServedFromCache.bind(this);
        this.onResponseReceived = this.onResponseReceived.bind(this);
        this.onDataReceived = this.onDataReceived.bind(this);
        this.onLoadingFinished = this.onLoadingFinished.bind(this);
        this.onLoadingFailed = this.onLoadingFailed.bind(this);
        this.onResourceChangedPriority = this.onResourceChangedPriority.bind(this);
      }

      // There are a few differences between the debugging protocol naming and
      // the parameter naming used in NetworkManager. These are noted below.

      onRequestWillBeSent(data) {
        // NOTE: data.timestamp -> time, data.type -> resourceType
        this.networkManager._dispatcher.requestWillBeSent(data.requestId,
            data.frameId, data.loaderId, data.documentURL, data.request,
            data.timestamp, data.wallTime, data.initiator, data.redirectResponse,
            data.type);
      }

      onRequestServedFromCache(data) {
        this.networkManager._dispatcher.requestServedFromCache(data.requestId);
      }

      onResponseReceived(data) {
        // NOTE: data.timestamp -> time, data.type -> resourceType
        this.networkManager._dispatcher.responseReceived(data.requestId,
            data.frameId, data.loaderId, data.timestamp, data.type, data.response);
      }

      onDataReceived(data) {
        // NOTE: data.timestamp -> time
        this.networkManager._dispatcher.dataReceived(data.requestId, data.timestamp,
            data.dataLength, data.encodedDataLength);
      }

      onLoadingFinished(data) {
        // NOTE: data.timestamp -> finishTime
        this.networkManager._dispatcher.loadingFinished(data.requestId,
            data.timestamp, data.encodedDataLength);
      }

      onLoadingFailed(data) {
        // NOTE: data.timestamp -> time, data.type -> resourceType,
        // data.errorText -> localizedDescription
        this.networkManager._dispatcher.loadingFailed(data.requestId,
            data.timestamp, data.type, data.errorText, data.canceled,
            data.blockedReason);
      }

      onResourceChangedPriority() {
        // TODO: Add call to dispatcher after devtools dependency is updated
      }
    }

    module.exports = NetworkRecorder;