dashjs/build/es5/src/core/Debug.js

A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _EventBus=require('./EventBus');var _EventBus2=_interopRequireDefault(_EventBus);var _Events=require('./events/Events');var _Events2=_interopRequireDefault(_Events);var _FactoryMaker=require('./FactoryMaker');var _FactoryMaker2=_interopRequireDefault(_FactoryMaker);var _Settings=require('./Settings');var _Settings2=_interopRequireDefault(_Settings);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}/**
 * The copyright in this software is being made available under the BSD License,
 * included below. This software may be subject to other third party and contributor
 * rights, including patent rights, and no such rights are granted under this license.
 *
 * Copyright (c) 2013, Dash Industry Forum.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation and/or
 *  other materials provided with the distribution.
 *  * Neither the name of Dash Industry Forum nor the names of its
 *  contributors may be used to endorse or promote products derived from this software
 *  without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */var LOG_LEVEL_NONE=0;var LOG_LEVEL_FATAL=1;var LOG_LEVEL_ERROR=2;var LOG_LEVEL_WARNING=3;var LOG_LEVEL_INFO=4;var LOG_LEVEL_DEBUG=5;/**
 * @module Debug
 * @ignore
 */function Debug(){var context=this.context;var eventBus=(0,_EventBus2.default)(context).getInstance();var settings=(0,_Settings2.default)(context).getInstance();var logFn=[];var instance=void 0,showLogTimestamp=void 0,showCalleeName=void 0,startTime=void 0;function setup(){showLogTimestamp=true;showCalleeName=true;startTime=new Date().getTime();if(typeof window!=='undefined'&&window.console){logFn[LOG_LEVEL_FATAL]=getLogFn(window.console.error);logFn[LOG_LEVEL_ERROR]=getLogFn(window.console.error);logFn[LOG_LEVEL_WARNING]=getLogFn(window.console.warn);logFn[LOG_LEVEL_INFO]=getLogFn(window.console.info);logFn[LOG_LEVEL_DEBUG]=getLogFn(window.console.debug);}}function getLogFn(fn){if(fn&&fn.bind){return fn.bind(window.console);}// if not define, return the default function for reporting logs
return window.console.log.bind(window.console);}/**
     * Retrieves a logger which can be used to write logging information in browser console.
     * @param {object} instance Object for which the logger is created. It is used
     * to include calle object information in log messages.
     * @memberof module:Debug
     * @returns {Logger}
     * @instance
     */function getLogger(instance){return{fatal:fatal.bind(instance),error:error.bind(instance),warn:warn.bind(instance),info:info.bind(instance),debug:debug.bind(instance)};}/**
     * Sets up the log level. The levels are cumulative. For example, if you set the log level
     * to dashjs.Debug.LOG_LEVEL_WARNING all warnings, errors and fatals will be logged. Possible values
     *
     * <ul>
     * <li>dashjs.Debug.LOG_LEVEL_NONE<br/>
     * No message is written in the browser console.
     *
     * <li>dashjs.Debug.LOG_LEVEL_FATAL<br/>
     * Log fatal errors. An error is considered fatal when it causes playback to fail completely.
     *
     * <li>dashjs.Debug.LOG_LEVEL_ERROR<br/>
     * Log error messages.
     *
     * <li>dashjs.Debug.LOG_LEVEL_WARNING<br/>
     * Log warning messages.
     *
     * <li>dashjs.Debug.LOG_LEVEL_INFO<br/>
     * Log info messages.
     *
     * <li>dashjs.Debug.LOG_LEVEL_DEBUG<br/>
     * Log debug messages.
     * </ul>
     * @param {number} value Log level
     * @default true
     * @memberof module:Debug
     * @instance
     */function setLogLevel(value){var s={debug:{logLevel:value}};settings.update(s);}/**
     * Use this method to get the current log level.
     * @memberof module:Debug
     * @instance
     */function getLogLevel(){return settings.get().debug.logLevel;}/**
     * Prepends a timestamp in milliseconds to each log message.
     * @param {boolean} value Set to true if you want to see a timestamp in each log message.
     * @default LOG_LEVEL_WARNING
     * @memberof module:Debug
     * @instance
     */function setLogTimestampVisible(value){showLogTimestamp=value;}/**
     * Prepends the callee object name, and media type if available, to each log message.
     * @param {boolean} value Set to true if you want to see the callee object name and media type in each log message.
     * @default true
     * @memberof module:Debug
     * @instance
     */function setCalleeNameVisible(value){showCalleeName=value;}function fatal(){for(var _len=arguments.length,params=Array(_len),_key=0;_key<_len;_key++){params[_key]=arguments[_key];}doLog.apply(undefined,[LOG_LEVEL_FATAL,this].concat(params));}function error(){for(var _len2=arguments.length,params=Array(_len2),_key2=0;_key2<_len2;_key2++){params[_key2]=arguments[_key2];}doLog.apply(undefined,[LOG_LEVEL_ERROR,this].concat(params));}function warn(){for(var _len3=arguments.length,params=Array(_len3),_key3=0;_key3<_len3;_key3++){params[_key3]=arguments[_key3];}doLog.apply(undefined,[LOG_LEVEL_WARNING,this].concat(params));}function info(){for(var _len4=arguments.length,params=Array(_len4),_key4=0;_key4<_len4;_key4++){params[_key4]=arguments[_key4];}doLog.apply(undefined,[LOG_LEVEL_INFO,this].concat(params));}function debug(){for(var _len5=arguments.length,params=Array(_len5),_key5=0;_key5<_len5;_key5++){params[_key5]=arguments[_key5];}doLog.apply(undefined,[LOG_LEVEL_DEBUG,this].concat(params));}function doLog(level,_this){var message='';var logTime=null;if(showLogTimestamp){logTime=new Date().getTime();message+='['+(logTime-startTime)+']';}if(showCalleeName&&_this&&_this.getClassName){message+='['+_this.getClassName()+']';if(_this.getType){message+='['+_this.getType()+']';}}if(message.length>0){message+=' ';}for(var _len6=arguments.length,params=Array(_len6>2?_len6-2:0),_key6=2;_key6<_len6;_key6++){params[_key6-2]=arguments[_key6];}Array.apply(null,params).forEach(function(item){message+=item+' ';});// log to console if the log level is high enough
if(logFn[level]&&settings.get().debug.logLevel>=level){logFn[level](message);}// send log event regardless of log level
eventBus.trigger(_Events2.default.LOG,{message:message,level:level});}instance={getLogger:getLogger,setLogTimestampVisible:setLogTimestampVisible,setCalleeNameVisible:setCalleeNameVisible,setLogLevel:setLogLevel,getLogLevel:getLogLevel};setup();return instance;}Debug.__dashjs_factory_name='Debug';var factory=_FactoryMaker2.default.getSingletonFactory(Debug);factory.LOG_LEVEL_NONE=LOG_LEVEL_NONE;factory.LOG_LEVEL_FATAL=LOG_LEVEL_FATAL;factory.LOG_LEVEL_ERROR=LOG_LEVEL_ERROR;factory.LOG_LEVEL_WARNING=LOG_LEVEL_WARNING;factory.LOG_LEVEL_INFO=LOG_LEVEL_INFO;factory.LOG_LEVEL_DEBUG=LOG_LEVEL_DEBUG;_FactoryMaker2.default.updateSingletonFactory(Debug.__dashjs_factory_name,factory);exports.default=factory;
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