receiver.js
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/*
* ADOBE CONFIDENTIAL
* __________________
*
* Copyright 2016 Adobe Systems Incorporated
* All Rights Reserved.
*
* NOTICE: All information contained herein is, and remains
* the property of Adobe Systems Incorporated and its suppliers,
* if any. The intellectual and technical concepts contained
* herein are proprietary to Adobe Systems Incorporated and its
* suppliers and are protected by trade secret or copyright law.
* Dissemination of this information or reproduction of this material
* is strictly forbidden unless prior written permission is obtained
* from Adobe Systems Incorporated.
*/
/* globals location */
(function(window) {
'use strict';
var moduleName = 'screens/player/log/receiver';
function currentOrigin() {
var origin = location.origin;
if (!origin) {
origin = location.protocol + '//' + location.host;
}
return origin;
}
/**
* This object allows to receive log messages from other windows
* @param {string} allowedOrigin
* @param {Logger.Writer} writer
* @param [targetWindow] window to listen to
* @constructor
*/
function LogReceiver(writer, allowedOrigin, targetWindow) {
var self = this;
this._allowedOrigin = allowedOrigin || currentOrigin(); // default: origin of current frame
this._writer = writer;
this._targetWindow = targetWindow || window;
this._targetWindow.addEventListener('message', function(event) {
var origin = event.origin || event.originalEvent.origin; // For Chrome, the origin property is in the event.originalEvent object.
if (origin !== self._allowedOrigin) {
return;
}
var data = event.data;
if (!data || data.module !== 'screens/player/log/writer/delegate') {
return;
}
var message = data.message + ' [' + data.frame + ']'; // attach the frame to the message
self._writer.write(event.data, event.level, message);
}, false);
}
// register as a requirejs module if available
/* istanbul ignore else */
if (typeof define === 'function') {
define(moduleName, function() {
return LogReceiver;
});
}
window.screens = window.screens || {};
window.screens.logger = window.screens.logger || {};
window.screens.logger.receiver = LogReceiver;
}(this));