call-me-aishmael/src/playback/index.js

CW Dummy Test

/**
* (C) Copyright IBM Corp. 2017. 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.
*/

var events = require('../events');
var eventHandlers = require('../events/handlers');
var utils = require('../utils');
var assign = require('lodash/assign');
var defaultStyles = require('../styles');

var eventsArray = {};

function init(config) {
  return new PlayBack(config);
}

function registerEvents(chatID) {
  eventsArray[chatID] = [];
  eventsArray[chatID].push(events.subscribe('playback-start-' + chatID, eventHandlers.playback.start));
  eventsArray[chatID].push(events.subscribe('playback-resize-' + chatID, eventHandlers.playback.resize));
  eventsArray[chatID].push(events.subscribe('playback-scroll-to-bottom-' + chatID, eventHandlers.playback.scrollToBottom));
  eventsArray[chatID].push(events.subscribe('playback-receive-' + chatID, eventHandlers.playback.receive));
  eventsArray[chatID].push(events.subscribe('playback-send-' + chatID, eventHandlers.playback.send));
  eventsArray[chatID].push(events.subscribe('playback-destroy-' + chatID, eventHandlers.playback.destroy));
  eventsArray[chatID].push(events.subscribe('playback-clear-' + chatID, eventHandlers.playback.clear));
}

function PlayBack(config) {
  var root = (typeof config.el === 'string') ? document.getElementById(config.el) : config.el;
  this.chatID = utils.getUUID();
  registerEvents(this.chatID);
  events.publish('playback-start-' + this.chatID, {
    chatID: this.chatID,
    root: (typeof config.el === 'string') ? document.getElementById(config.el) : config.el,
    mapsServer: process.env.MAPS_SERVER || 'https://dp1-i-serve-maps.mybluemix.net/',
    styles: assign({}, defaultStyles, config.styles),
    originalContent: root.innerHTML
  });
  this.clear = function() {
    events.publish('playback-clear-' + this.chatID, this.chatID);
    return this;
  };
  this.destroy = function() {
    events.publish('playback-clear-' + this.chatID, this.chatID);
    events.publish('playback-destroy-' + this.chatID, this.chatID);
    for (var i = 0; i < eventsArray[this.chatID].length; i++)
      eventsArray[this.chatID][i].remove();
    delete eventsArray[this.chatID];
    delete this.clear;
    delete this.send;
    delete this.receive;
    delete this.destroy;
    delete this.chatID;
    return this;
  };
  this.send = function(data) {
    var chatID = this.chatID;
    events.publish('playback-send-' + chatID, { chatID: chatID, data: data });
    return this;
  };
  this.receive = function(data) {
    var chatID = this.chatID;
    events.publish('playback-receive-' + chatID, { chatID: chatID, data: data });
    return this;
  };
  return this;
}


module.exports = {
  init: init
};