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			4649 lines
		
	
	
		
			152 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*! WebUploader 0.1.6 */
 | ||
| 
 | ||
| 
 | ||
| /**
 | ||
|  * @fileOverview 让内部各个部件的代码可以用[amd](https://github.com/amdjs/amdjs-api/wiki/AMD)模块定义方式组织起来。
 | ||
|  *
 | ||
|  * AMD API 内部的简单不完全实现,请忽略。只有当WebUploader被合并成一个文件的时候才会引入。
 | ||
|  */
 | ||
| (function( root, factory ) {
 | ||
|     var modules = {},
 | ||
| 
 | ||
|         // 内部require, 简单不完全实现。
 | ||
|         // https://github.com/amdjs/amdjs-api/wiki/require
 | ||
|         _require = function( deps, callback ) {
 | ||
|             var args, len, i;
 | ||
| 
 | ||
|             // 如果deps不是数组,则直接返回指定module
 | ||
|             if ( typeof deps === 'string' ) {
 | ||
|                 return getModule( deps );
 | ||
|             } else {
 | ||
|                 args = [];
 | ||
|                 for( len = deps.length, i = 0; i < len; i++ ) {
 | ||
|                     args.push( getModule( deps[ i ] ) );
 | ||
|                 }
 | ||
| 
 | ||
|                 return callback.apply( null, args );
 | ||
|             }
 | ||
|         },
 | ||
| 
 | ||
|         // 内部define,暂时不支持不指定id.
 | ||
|         _define = function( id, deps, factory ) {
 | ||
|             if ( arguments.length === 2 ) {
 | ||
|                 factory = deps;
 | ||
|                 deps = null;
 | ||
|             }
 | ||
| 
 | ||
|             _require( deps || [], function() {
 | ||
|                 setModule( id, factory, arguments );
 | ||
|             });
 | ||
|         },
 | ||
| 
 | ||
|         // 设置module, 兼容CommonJs写法。
 | ||
|         setModule = function( id, factory, args ) {
 | ||
|             var module = {
 | ||
|                     exports: factory
 | ||
|                 },
 | ||
|                 returned;
 | ||
| 
 | ||
|             if ( typeof factory === 'function' ) {
 | ||
|                 args.length || (args = [ _require, module.exports, module ]);
 | ||
|                 returned = factory.apply( null, args );
 | ||
|                 returned !== undefined && (module.exports = returned);
 | ||
|             }
 | ||
| 
 | ||
|             modules[ id ] = module.exports;
 | ||
|         },
 | ||
| 
 | ||
|         // 根据id获取module
 | ||
|         getModule = function( id ) {
 | ||
|             var module = modules[ id ] || root[ id ];
 | ||
| 
 | ||
|             if ( !module ) {
 | ||
|                 throw new Error( '`' + id + '` is undefined' );
 | ||
|             }
 | ||
| 
 | ||
|             return module;
 | ||
|         },
 | ||
| 
 | ||
|         // 将所有modules,将路径ids装换成对象。
 | ||
|         exportsTo = function( obj ) {
 | ||
|             var key, host, parts, part, last, ucFirst;
 | ||
| 
 | ||
|             // make the first character upper case.
 | ||
|             ucFirst = function( str ) {
 | ||
|                 return str && (str.charAt( 0 ).toUpperCase() + str.substr( 1 ));
 | ||
|             };
 | ||
| 
 | ||
|             for ( key in modules ) {
 | ||
|                 host = obj;
 | ||
| 
 | ||
|                 if ( !modules.hasOwnProperty( key ) ) {
 | ||
|                     continue;
 | ||
|                 }
 | ||
| 
 | ||
|                 parts = key.split('/');
 | ||
|                 last = ucFirst( parts.pop() );
 | ||
| 
 | ||
|                 while( (part = ucFirst( parts.shift() )) ) {
 | ||
|                     host[ part ] = host[ part ] || {};
 | ||
|                     host = host[ part ];
 | ||
|                 }
 | ||
| 
 | ||
|                 host[ last ] = modules[ key ];
 | ||
|             }
 | ||
| 
 | ||
|             return obj;
 | ||
|         },
 | ||
| 
 | ||
|         makeExport = function( dollar ) {
 | ||
|             root.__dollar = dollar;
 | ||
| 
 | ||
|             // exports every module.
 | ||
|             return exportsTo( factory( root, _define, _require ) );
 | ||
|         },
 | ||
| 
 | ||
|         origin;
 | ||
| 
 | ||
|     if ( typeof module === 'object' && typeof module.exports === 'object' ) {
 | ||
| 
 | ||
|         // For CommonJS and CommonJS-like environments where a proper window is present,
 | ||
|         module.exports = makeExport();
 | ||
|     } else if ( typeof define === 'function' && define.amd ) {
 | ||
| 
 | ||
|         // Allow using this built library as an AMD module
 | ||
|         // in another project. That other project will only
 | ||
|         // see this AMD call, not the internal modules in
 | ||
|         // the closure below.
 | ||
|         define([ 'jquery' ], makeExport );
 | ||
|     } else {
 | ||
| 
 | ||
|         // Browser globals case. Just assign the
 | ||
|         // result to a property on the global.
 | ||
|         origin = root.WebUploader;
 | ||
|         root.WebUploader = makeExport();
 | ||
|         root.WebUploader.noConflict = function() {
 | ||
|             root.WebUploader = origin;
 | ||
|         };
 | ||
|     }
 | ||
| })( window, function( window, define, require ) {
 | ||
| 
 | ||
| 
 | ||
|     /**
 | ||
|      * @fileOverview jQuery or Zepto
 | ||
|      * @require "jquery"
 | ||
|      * @require "zepto"
 | ||
|      */
 | ||
|     define('dollar-third',[],function() {
 | ||
|         var req = window.require;
 | ||
|         var $ = window.__dollar || 
 | ||
|             window.jQuery || 
 | ||
|             window.Zepto || 
 | ||
|             req('jquery') || 
 | ||
|             req('zepto');
 | ||
|     
 | ||
|         if ( !$ ) {
 | ||
|             throw new Error('jQuery or Zepto not found!');
 | ||
|         }
 | ||
|     
 | ||
|         return $;
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview Dom 操作相关
 | ||
|      */
 | ||
|     define('dollar',[
 | ||
|         'dollar-third'
 | ||
|     ], function( _ ) {
 | ||
|         return _;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 使用jQuery的Promise
 | ||
|      */
 | ||
|     define('promise-third',[
 | ||
|         'dollar'
 | ||
|     ], function( $ ) {
 | ||
|         return {
 | ||
|             Deferred: $.Deferred,
 | ||
|             when: $.when,
 | ||
|     
 | ||
|             isPromise: function( anything ) {
 | ||
|                 return anything && typeof anything.then === 'function';
 | ||
|             }
 | ||
|         };
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Promise/A+
 | ||
|      */
 | ||
|     define('promise',[
 | ||
|         'promise-third'
 | ||
|     ], function( _ ) {
 | ||
|         return _;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 基础类方法。
 | ||
|      */
 | ||
|     
 | ||
|     /**
 | ||
|      * Web Uploader内部类的详细说明,以下提及的功能类,都可以在`WebUploader`这个变量中访问到。
 | ||
|      *
 | ||
|      * As you know, Web Uploader的每个文件都是用过[AMD](https://github.com/amdjs/amdjs-api/wiki/AMD)规范中的`define`组织起来的, 每个Module都会有个module id.
 | ||
|      * 默认module id为该文件的路径,而此路径将会转化成名字空间存放在WebUploader中。如:
 | ||
|      *
 | ||
|      * * module `base`:WebUploader.Base
 | ||
|      * * module `file`: WebUploader.File
 | ||
|      * * module `lib/dnd`: WebUploader.Lib.Dnd
 | ||
|      * * module `runtime/html5/dnd`: WebUploader.Runtime.Html5.Dnd
 | ||
|      *
 | ||
|      *
 | ||
|      * 以下文档中对类的使用可能省略掉了`WebUploader`前缀。
 | ||
|      * @module WebUploader
 | ||
|      * @title WebUploader API文档
 | ||
|      */
 | ||
|     define('base',[
 | ||
|         'dollar',
 | ||
|         'promise'
 | ||
|     ], function( $, promise ) {
 | ||
|     
 | ||
|         var noop = function() {},
 | ||
|             call = Function.call;
 | ||
|     
 | ||
|         // http://jsperf.com/uncurrythis
 | ||
|         // 反科里化
 | ||
|         function uncurryThis( fn ) {
 | ||
|             return function() {
 | ||
|                 return call.apply( fn, arguments );
 | ||
|             };
 | ||
|         }
 | ||
|     
 | ||
|         function bindFn( fn, context ) {
 | ||
|             return function() {
 | ||
|                 return fn.apply( context, arguments );
 | ||
|             };
 | ||
|         }
 | ||
|     
 | ||
|         function createObject( proto ) {
 | ||
|             var f;
 | ||
|     
 | ||
|             if ( Object.create ) {
 | ||
|                 return Object.create( proto );
 | ||
|             } else {
 | ||
|                 f = function() {};
 | ||
|                 f.prototype = proto;
 | ||
|                 return new f();
 | ||
|             }
 | ||
|         }
 | ||
|     
 | ||
|     
 | ||
|         /**
 | ||
|          * 基础类,提供一些简单常用的方法。
 | ||
|          * @class Base
 | ||
|          */
 | ||
|         return {
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {String} version 当前版本号。
 | ||
|              */
 | ||
|             version: '0.1.6',
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {jQuery|Zepto} $ 引用依赖的jQuery或者Zepto对象。
 | ||
|              */
 | ||
|             $: $,
 | ||
|     
 | ||
|             Deferred: promise.Deferred,
 | ||
|     
 | ||
|             isPromise: promise.isPromise,
 | ||
|     
 | ||
|             when: promise.when,
 | ||
|     
 | ||
|             /**
 | ||
|              * @description  简单的浏览器检查结果。
 | ||
|              *
 | ||
|              * * `webkit`  webkit版本号,如果浏览器为非webkit内核,此属性为`undefined`。
 | ||
|              * * `chrome`  chrome浏览器版本号,如果浏览器为chrome,此属性为`undefined`。
 | ||
|              * * `ie`  ie浏览器版本号,如果浏览器为非ie,此属性为`undefined`。**暂不支持ie10+**
 | ||
|              * * `firefox`  firefox浏览器版本号,如果浏览器为非firefox,此属性为`undefined`。
 | ||
|              * * `safari`  safari浏览器版本号,如果浏览器为非safari,此属性为`undefined`。
 | ||
|              * * `opera`  opera浏览器版本号,如果浏览器为非opera,此属性为`undefined`。
 | ||
|              *
 | ||
|              * @property {Object} [browser]
 | ||
|              */
 | ||
|             browser: (function( ua ) {
 | ||
|                 var ret = {},
 | ||
|                     webkit = ua.match( /WebKit\/([\d.]+)/ ),
 | ||
|                     chrome = ua.match( /Chrome\/([\d.]+)/ ) ||
 | ||
|                         ua.match( /CriOS\/([\d.]+)/ ),
 | ||
|     
 | ||
|                     ie = ua.match( /MSIE\s([\d\.]+)/ ) ||
 | ||
|                         ua.match( /(?:trident)(?:.*rv:([\w.]+))?/i ),
 | ||
|                     firefox = ua.match( /Firefox\/([\d.]+)/ ),
 | ||
|                     safari = ua.match( /Safari\/([\d.]+)/ ),
 | ||
|                     opera = ua.match( /OPR\/([\d.]+)/ );
 | ||
|     
 | ||
|                 webkit && (ret.webkit = parseFloat( webkit[ 1 ] ));
 | ||
|                 chrome && (ret.chrome = parseFloat( chrome[ 1 ] ));
 | ||
|                 ie && (ret.ie = parseFloat( ie[ 1 ] ));
 | ||
|                 firefox && (ret.firefox = parseFloat( firefox[ 1 ] ));
 | ||
|                 safari && (ret.safari = parseFloat( safari[ 1 ] ));
 | ||
|                 opera && (ret.opera = parseFloat( opera[ 1 ] ));
 | ||
|     
 | ||
|                 return ret;
 | ||
|             })( navigator.userAgent ),
 | ||
|     
 | ||
|             /**
 | ||
|              * @description  操作系统检查结果。
 | ||
|              *
 | ||
|              * * `android`  如果在android浏览器环境下,此值为对应的android版本号,否则为`undefined`。
 | ||
|              * * `ios` 如果在ios浏览器环境下,此值为对应的ios版本号,否则为`undefined`。
 | ||
|              * @property {Object} [os]
 | ||
|              */
 | ||
|             os: (function( ua ) {
 | ||
|                 var ret = {},
 | ||
|     
 | ||
|                     // osx = !!ua.match( /\(Macintosh\; Intel / ),
 | ||
|                     android = ua.match( /(?:Android);?[\s\/]+([\d.]+)?/ ),
 | ||
|                     ios = ua.match( /(?:iPad|iPod|iPhone).*OS\s([\d_]+)/ );
 | ||
|     
 | ||
|                 // osx && (ret.osx = true);
 | ||
|                 android && (ret.android = parseFloat( android[ 1 ] ));
 | ||
|                 ios && (ret.ios = parseFloat( ios[ 1 ].replace( /_/g, '.' ) ));
 | ||
|     
 | ||
|                 return ret;
 | ||
|             })( navigator.userAgent ),
 | ||
|     
 | ||
|             /**
 | ||
|              * 实现类与类之间的继承。
 | ||
|              * @method inherits
 | ||
|              * @grammar Base.inherits( super ) => child
 | ||
|              * @grammar Base.inherits( super, protos ) => child
 | ||
|              * @grammar Base.inherits( super, protos, statics ) => child
 | ||
|              * @param  {Class} super 父类
 | ||
|              * @param  {Object | Function} [protos] 子类或者对象。如果对象中包含constructor,子类将是用此属性值。
 | ||
|              * @param  {Function} [protos.constructor] 子类构造器,不指定的话将创建个临时的直接执行父类构造器的方法。
 | ||
|              * @param  {Object} [statics] 静态属性或方法。
 | ||
|              * @return {Class} 返回子类。
 | ||
|              * @example
 | ||
|              * function Person() {
 | ||
|              *     console.log( 'Super' );
 | ||
|              * }
 | ||
|              * Person.prototype.hello = function() {
 | ||
|              *     console.log( 'hello' );
 | ||
|              * };
 | ||
|              *
 | ||
|              * var Manager = Base.inherits( Person, {
 | ||
|              *     world: function() {
 | ||
|              *         console.log( 'World' );
 | ||
|              *     }
 | ||
|              * });
 | ||
|              *
 | ||
|              * // 因为没有指定构造器,父类的构造器将会执行。
 | ||
|              * var instance = new Manager();    // => Super
 | ||
|              *
 | ||
|              * // 继承子父类的方法
 | ||
|              * instance.hello();    // => hello
 | ||
|              * instance.world();    // => World
 | ||
|              *
 | ||
|              * // 子类的__super__属性指向父类
 | ||
|              * console.log( Manager.__super__ === Person );    // => true
 | ||
|              */
 | ||
|             inherits: function( Super, protos, staticProtos ) {
 | ||
|                 var child;
 | ||
|     
 | ||
|                 if ( typeof protos === 'function' ) {
 | ||
|                     child = protos;
 | ||
|                     protos = null;
 | ||
|                 } else if ( protos && protos.hasOwnProperty('constructor') ) {
 | ||
|                     child = protos.constructor;
 | ||
|                 } else {
 | ||
|                     child = function() {
 | ||
|                         return Super.apply( this, arguments );
 | ||
|                     };
 | ||
|                 }
 | ||
|     
 | ||
|                 // 复制静态方法
 | ||
|                 $.extend( true, child, Super, staticProtos || {} );
 | ||
|     
 | ||
|                 /* jshint camelcase: false */
 | ||
|     
 | ||
|                 // 让子类的__super__属性指向父类。
 | ||
|                 child.__super__ = Super.prototype;
 | ||
|     
 | ||
|                 // 构建原型,添加原型方法或属性。
 | ||
|                 // 暂时用Object.create实现。
 | ||
|                 child.prototype = createObject( Super.prototype );
 | ||
|                 protos && $.extend( true, child.prototype, protos );
 | ||
|     
 | ||
|                 return child;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 一个不做任何事情的方法。可以用来赋值给默认的callback.
 | ||
|              * @method noop
 | ||
|              */
 | ||
|             noop: noop,
 | ||
|     
 | ||
|             /**
 | ||
|              * 返回一个新的方法,此方法将已指定的`context`来执行。
 | ||
|              * @grammar Base.bindFn( fn, context ) => Function
 | ||
|              * @method bindFn
 | ||
|              * @example
 | ||
|              * var doSomething = function() {
 | ||
|              *         console.log( this.name );
 | ||
|              *     },
 | ||
|              *     obj = {
 | ||
|              *         name: 'Object Name'
 | ||
|              *     },
 | ||
|              *     aliasFn = Base.bind( doSomething, obj );
 | ||
|              *
 | ||
|              *  aliasFn();    // => Object Name
 | ||
|              *
 | ||
|              */
 | ||
|             bindFn: bindFn,
 | ||
|     
 | ||
|             /**
 | ||
|              * 引用Console.log如果存在的话,否则引用一个[空函数noop](#WebUploader:Base.noop)。
 | ||
|              * @grammar Base.log( args... ) => undefined
 | ||
|              * @method log
 | ||
|              */
 | ||
|             log: (function() {
 | ||
|                 if ( window.console ) {
 | ||
|                     return bindFn( console.log, console );
 | ||
|                 }
 | ||
|                 return noop;
 | ||
|             })(),
 | ||
|     
 | ||
|             nextTick: (function() {
 | ||
|     
 | ||
|                 return function( cb ) {
 | ||
|                     setTimeout( cb, 1 );
 | ||
|                 };
 | ||
|     
 | ||
|                 // @bug 当浏览器不在当前窗口时就停了。
 | ||
|                 // var next = window.requestAnimationFrame ||
 | ||
|                 //     window.webkitRequestAnimationFrame ||
 | ||
|                 //     window.mozRequestAnimationFrame ||
 | ||
|                 //     function( cb ) {
 | ||
|                 //         window.setTimeout( cb, 1000 / 60 );
 | ||
|                 //     };
 | ||
|     
 | ||
|                 // // fix: Uncaught TypeError: Illegal invocation
 | ||
|                 // return bindFn( next, window );
 | ||
|             })(),
 | ||
|     
 | ||
|             /**
 | ||
|              * 被[uncurrythis](http://www.2ality.com/2011/11/uncurrying-this.html)的数组slice方法。
 | ||
|              * 将用来将非数组对象转化成数组对象。
 | ||
|              * @grammar Base.slice( target, start[, end] ) => Array
 | ||
|              * @method slice
 | ||
|              * @example
 | ||
|              * function doSomthing() {
 | ||
|              *     var args = Base.slice( arguments, 1 );
 | ||
|              *     console.log( args );
 | ||
|              * }
 | ||
|              *
 | ||
|              * doSomthing( 'ignored', 'arg2', 'arg3' );    // => Array ["arg2", "arg3"]
 | ||
|              */
 | ||
|             slice: uncurryThis( [].slice ),
 | ||
|     
 | ||
|             /**
 | ||
|              * 生成唯一的ID
 | ||
|              * @method guid
 | ||
|              * @grammar Base.guid() => String
 | ||
|              * @grammar Base.guid( prefx ) => String
 | ||
|              */
 | ||
|             guid: (function() {
 | ||
|                 var counter = 0;
 | ||
|     
 | ||
|                 return function( prefix ) {
 | ||
|                     var guid = (+new Date()).toString( 32 ),
 | ||
|                         i = 0;
 | ||
|     
 | ||
|                     for ( ; i < 5; i++ ) {
 | ||
|                         guid += Math.floor( Math.random() * 65535 ).toString( 32 );
 | ||
|                     }
 | ||
|     
 | ||
|                     return (prefix || 'wu_') + guid + (counter++).toString( 32 );
 | ||
|                 };
 | ||
|             })(),
 | ||
|     
 | ||
|             /**
 | ||
|              * 格式化文件大小, 输出成带单位的字符串
 | ||
|              * @method formatSize
 | ||
|              * @grammar Base.formatSize( size ) => String
 | ||
|              * @grammar Base.formatSize( size, pointLength ) => String
 | ||
|              * @grammar Base.formatSize( size, pointLength, units ) => String
 | ||
|              * @param {Number} size 文件大小
 | ||
|              * @param {Number} [pointLength=2] 精确到的小数点数。
 | ||
|              * @param {Array} [units=[ 'B', 'K', 'M', 'G', 'TB' ]] 单位数组。从字节,到千字节,一直往上指定。如果单位数组里面只指定了到了K(千字节),同时文件大小大于M, 此方法的输出将还是显示成多少K.
 | ||
|              * @example
 | ||
|              * console.log( Base.formatSize( 100 ) );    // => 100B
 | ||
|              * console.log( Base.formatSize( 1024 ) );    // => 1.00K
 | ||
|              * console.log( Base.formatSize( 1024, 0 ) );    // => 1K
 | ||
|              * console.log( Base.formatSize( 1024 * 1024 ) );    // => 1.00M
 | ||
|              * console.log( Base.formatSize( 1024 * 1024 * 1024 ) );    // => 1.00G
 | ||
|              * console.log( Base.formatSize( 1024 * 1024 * 1024, 0, ['B', 'KB', 'MB'] ) );    // => 1024MB
 | ||
|              */
 | ||
|             formatSize: function( size, pointLength, units ) {
 | ||
|                 var unit;
 | ||
|     
 | ||
|                 units = units || [ 'B', 'K', 'M', 'G', 'TB' ];
 | ||
|     
 | ||
|                 while ( (unit = units.shift()) && size > 1024 ) {
 | ||
|                     size = size / 1024;
 | ||
|                 }
 | ||
|     
 | ||
|                 return (unit === 'B' ? size : size.toFixed( pointLength || 2 )) +
 | ||
|                         unit;
 | ||
|             }
 | ||
|         };
 | ||
|     });
 | ||
|     /**
 | ||
|      * 事件处理类,可以独立使用,也可以扩展给对象使用。
 | ||
|      * @fileOverview Mediator
 | ||
|      */
 | ||
|     define('mediator',[
 | ||
|         'base'
 | ||
|     ], function( Base ) {
 | ||
|         var $ = Base.$,
 | ||
|             slice = [].slice,
 | ||
|             separator = /\s+/,
 | ||
|             protos;
 | ||
|     
 | ||
|         // 根据条件过滤出事件handlers.
 | ||
|         function findHandlers( arr, name, callback, context ) {
 | ||
|             return $.grep( arr, function( handler ) {
 | ||
|                 return handler &&
 | ||
|                         (!name || handler.e === name) &&
 | ||
|                         (!callback || handler.cb === callback ||
 | ||
|                         handler.cb._cb === callback) &&
 | ||
|                         (!context || handler.ctx === context);
 | ||
|             });
 | ||
|         }
 | ||
|     
 | ||
|         function eachEvent( events, callback, iterator ) {
 | ||
|             // 不支持对象,只支持多个event用空格隔开
 | ||
|             $.each( (events || '').split( separator ), function( _, key ) {
 | ||
|                 iterator( key, callback );
 | ||
|             });
 | ||
|         }
 | ||
|     
 | ||
|         function triggerHanders( events, args ) {
 | ||
|             var stoped = false,
 | ||
|                 i = -1,
 | ||
|                 len = events.length,
 | ||
|                 handler;
 | ||
|     
 | ||
|             while ( ++i < len ) {
 | ||
|                 handler = events[ i ];
 | ||
|     
 | ||
|                 if ( handler.cb.apply( handler.ctx2, args ) === false ) {
 | ||
|                     stoped = true;
 | ||
|                     break;
 | ||
|                 }
 | ||
|             }
 | ||
|     
 | ||
|             return !stoped;
 | ||
|         }
 | ||
|     
 | ||
|         protos = {
 | ||
|     
 | ||
|             /**
 | ||
|              * 绑定事件。
 | ||
|              *
 | ||
|              * `callback`方法在执行时,arguments将会来源于trigger的时候携带的参数。如
 | ||
|              * ```javascript
 | ||
|              * var obj = {};
 | ||
|              *
 | ||
|              * // 使得obj有事件行为
 | ||
|              * Mediator.installTo( obj );
 | ||
|              *
 | ||
|              * obj.on( 'testa', function( arg1, arg2 ) {
 | ||
|              *     console.log( arg1, arg2 ); // => 'arg1', 'arg2'
 | ||
|              * });
 | ||
|              *
 | ||
|              * obj.trigger( 'testa', 'arg1', 'arg2' );
 | ||
|              * ```
 | ||
|              *
 | ||
|              * 如果`callback`中,某一个方法`return false`了,则后续的其他`callback`都不会被执行到。
 | ||
|              * 切会影响到`trigger`方法的返回值,为`false`。
 | ||
|              *
 | ||
|              * `on`还可以用来添加一个特殊事件`all`, 这样所有的事件触发都会响应到。同时此类`callback`中的arguments有一个不同处,
 | ||
|              * 就是第一个参数为`type`,记录当前是什么事件在触发。此类`callback`的优先级比脚低,会再正常`callback`执行完后触发。
 | ||
|              * ```javascript
 | ||
|              * obj.on( 'all', function( type, arg1, arg2 ) {
 | ||
|              *     console.log( type, arg1, arg2 ); // => 'testa', 'arg1', 'arg2'
 | ||
|              * });
 | ||
|              * ```
 | ||
|              *
 | ||
|              * @method on
 | ||
|              * @grammar on( name, callback[, context] ) => self
 | ||
|              * @param  {String}   name     事件名,支持多个事件用空格隔开
 | ||
|              * @param  {Function} callback 事件处理器
 | ||
|              * @param  {Object}   [context]  事件处理器的上下文。
 | ||
|              * @return {self} 返回自身,方便链式
 | ||
|              * @chainable
 | ||
|              * @class Mediator
 | ||
|              */
 | ||
|             on: function( name, callback, context ) {
 | ||
|                 var me = this,
 | ||
|                     set;
 | ||
|     
 | ||
|                 if ( !callback ) {
 | ||
|                     return this;
 | ||
|                 }
 | ||
|     
 | ||
|                 set = this._events || (this._events = []);
 | ||
|     
 | ||
|                 eachEvent( name, callback, function( name, callback ) {
 | ||
|                     var handler = { e: name };
 | ||
|     
 | ||
|                     handler.cb = callback;
 | ||
|                     handler.ctx = context;
 | ||
|                     handler.ctx2 = context || me;
 | ||
|                     handler.id = set.length;
 | ||
|     
 | ||
|                     set.push( handler );
 | ||
|                 });
 | ||
|     
 | ||
|                 return this;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 绑定事件,且当handler执行完后,自动解除绑定。
 | ||
|              * @method once
 | ||
|              * @grammar once( name, callback[, context] ) => self
 | ||
|              * @param  {String}   name     事件名
 | ||
|              * @param  {Function} callback 事件处理器
 | ||
|              * @param  {Object}   [context]  事件处理器的上下文。
 | ||
|              * @return {self} 返回自身,方便链式
 | ||
|              * @chainable
 | ||
|              */
 | ||
|             once: function( name, callback, context ) {
 | ||
|                 var me = this;
 | ||
|     
 | ||
|                 if ( !callback ) {
 | ||
|                     return me;
 | ||
|                 }
 | ||
|     
 | ||
|                 eachEvent( name, callback, function( name, callback ) {
 | ||
|                     var once = function() {
 | ||
|                             me.off( name, once );
 | ||
|                             return callback.apply( context || me, arguments );
 | ||
|                         };
 | ||
|     
 | ||
|                     once._cb = callback;
 | ||
|                     me.on( name, once, context );
 | ||
|                 });
 | ||
|     
 | ||
|                 return me;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 解除事件绑定
 | ||
|              * @method off
 | ||
|              * @grammar off( [name[, callback[, context] ] ] ) => self
 | ||
|              * @param  {String}   [name]     事件名
 | ||
|              * @param  {Function} [callback] 事件处理器
 | ||
|              * @param  {Object}   [context]  事件处理器的上下文。
 | ||
|              * @return {self} 返回自身,方便链式
 | ||
|              * @chainable
 | ||
|              */
 | ||
|             off: function( name, cb, ctx ) {
 | ||
|                 var events = this._events;
 | ||
|     
 | ||
|                 if ( !events ) {
 | ||
|                     return this;
 | ||
|                 }
 | ||
|     
 | ||
|                 if ( !name && !cb && !ctx ) {
 | ||
|                     this._events = [];
 | ||
|                     return this;
 | ||
|                 }
 | ||
|     
 | ||
|                 eachEvent( name, cb, function( name, cb ) {
 | ||
|                     $.each( findHandlers( events, name, cb, ctx ), function() {
 | ||
|                         delete events[ this.id ];
 | ||
|                     });
 | ||
|                 });
 | ||
|     
 | ||
|                 return this;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 触发事件
 | ||
|              * @method trigger
 | ||
|              * @grammar trigger( name[, args...] ) => self
 | ||
|              * @param  {String}   type     事件名
 | ||
|              * @param  {*} [...] 任意参数
 | ||
|              * @return {Boolean} 如果handler中return false了,则返回false, 否则返回true
 | ||
|              */
 | ||
|             trigger: function( type ) {
 | ||
|                 var args, events, allEvents;
 | ||
|     
 | ||
|                 if ( !this._events || !type ) {
 | ||
|                     return this;
 | ||
|                 }
 | ||
|     
 | ||
|                 args = slice.call( arguments, 1 );
 | ||
|                 events = findHandlers( this._events, type );
 | ||
|                 allEvents = findHandlers( this._events, 'all' );
 | ||
|     
 | ||
|                 return triggerHanders( events, args ) &&
 | ||
|                         triggerHanders( allEvents, arguments );
 | ||
|             }
 | ||
|         };
 | ||
|     
 | ||
|         /**
 | ||
|          * 中介者,它本身是个单例,但可以通过[installTo](#WebUploader:Mediator:installTo)方法,使任何对象具备事件行为。
 | ||
|          * 主要目的是负责模块与模块之间的合作,降低耦合度。
 | ||
|          *
 | ||
|          * @class Mediator
 | ||
|          */
 | ||
|         return $.extend({
 | ||
|     
 | ||
|             /**
 | ||
|              * 可以通过这个接口,使任何对象具备事件功能。
 | ||
|              * @method installTo
 | ||
|              * @param  {Object} obj 需要具备事件行为的对象。
 | ||
|              * @return {Object} 返回obj.
 | ||
|              */
 | ||
|             installTo: function( obj ) {
 | ||
|                 return $.extend( obj, protos );
 | ||
|             }
 | ||
|     
 | ||
|         }, protos );
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Uploader上传类
 | ||
|      */
 | ||
|     define('uploader',[
 | ||
|         'base',
 | ||
|         'mediator'
 | ||
|     ], function( Base, Mediator ) {
 | ||
|     
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         /**
 | ||
|          * 上传入口类。
 | ||
|          * @class Uploader
 | ||
|          * @constructor
 | ||
|          * @grammar new Uploader( opts ) => Uploader
 | ||
|          * @example
 | ||
|          * var uploader = WebUploader.Uploader({
 | ||
|          *     swf: 'path_of_swf/Uploader.swf',
 | ||
|          *
 | ||
|          *     // 开起分片上传。
 | ||
|          *     chunked: true
 | ||
|          * });
 | ||
|          */
 | ||
|         function Uploader( opts ) {
 | ||
|             this.options = $.extend( true, {}, Uploader.options, opts );
 | ||
|             this._init( this.options );
 | ||
|         }
 | ||
|     
 | ||
|         // default Options
 | ||
|         // widgets中有相应扩展
 | ||
|         Uploader.options = {};
 | ||
|         Mediator.installTo( Uploader.prototype );
 | ||
|     
 | ||
|         // 批量添加纯命令式方法。
 | ||
|         $.each({
 | ||
|             upload: 'start-upload',
 | ||
|             stop: 'stop-upload',
 | ||
|             getFile: 'get-file',
 | ||
|             getFiles: 'get-files',
 | ||
|             addFile: 'add-file',
 | ||
|             addFiles: 'add-file',
 | ||
|             sort: 'sort-files',
 | ||
|             removeFile: 'remove-file',
 | ||
|             cancelFile: 'cancel-file',
 | ||
|             skipFile: 'skip-file',
 | ||
|             retry: 'retry',
 | ||
|             isInProgress: 'is-in-progress',
 | ||
|             makeThumb: 'make-thumb',
 | ||
|             md5File: 'md5-file',
 | ||
|             getDimension: 'get-dimension',
 | ||
|             addButton: 'add-btn',
 | ||
|             predictRuntimeType: 'predict-runtime-type',
 | ||
|             refresh: 'refresh',
 | ||
|             disable: 'disable',
 | ||
|             enable: 'enable',
 | ||
|             reset: 'reset'
 | ||
|         }, function( fn, command ) {
 | ||
|             Uploader.prototype[ fn ] = function() {
 | ||
|                 return this.request( command, arguments );
 | ||
|             };
 | ||
|         });
 | ||
|     
 | ||
|         $.extend( Uploader.prototype, {
 | ||
|             state: 'pending',
 | ||
|     
 | ||
|             _init: function( opts ) {
 | ||
|                 var me = this;
 | ||
|     
 | ||
|                 me.request( 'init', opts, function() {
 | ||
|                     me.state = 'ready';
 | ||
|                     me.trigger('ready');
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 获取或者设置Uploader配置项。
 | ||
|              * @method option
 | ||
|              * @grammar option( key ) => *
 | ||
|              * @grammar option( key, val ) => self
 | ||
|              * @example
 | ||
|              *
 | ||
|              * // 初始状态图片上传前不会压缩
 | ||
|              * var uploader = new WebUploader.Uploader({
 | ||
|              *     compress: null;
 | ||
|              * });
 | ||
|              *
 | ||
|              * // 修改后图片上传前,尝试将图片压缩到1600 * 1600
 | ||
|              * uploader.option( 'compress', {
 | ||
|              *     width: 1600,
 | ||
|              *     height: 1600
 | ||
|              * });
 | ||
|              */
 | ||
|             option: function( key, val ) {
 | ||
|                 var opts = this.options;
 | ||
|     
 | ||
|                 // setter
 | ||
|                 if ( arguments.length > 1 ) {
 | ||
|     
 | ||
|                     if ( $.isPlainObject( val ) &&
 | ||
|                             $.isPlainObject( opts[ key ] ) ) {
 | ||
|                         $.extend( opts[ key ], val );
 | ||
|                     } else {
 | ||
|                         opts[ key ] = val;
 | ||
|                     }
 | ||
|     
 | ||
|                 } else {    // getter
 | ||
|                     return key ? opts[ key ] : opts;
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 获取文件统计信息。返回一个包含一下信息的对象。
 | ||
|              * * `successNum` 上传成功的文件数
 | ||
|              * * `progressNum` 上传中的文件数
 | ||
|              * * `cancelNum` 被删除的文件数
 | ||
|              * * `invalidNum` 无效的文件数
 | ||
|              * * `uploadFailNum` 上传失败的文件数
 | ||
|              * * `queueNum` 还在队列中的文件数
 | ||
|              * * `interruptNum` 被暂停的文件数
 | ||
|              * @method getStats
 | ||
|              * @grammar getStats() => Object
 | ||
|              */
 | ||
|             getStats: function() {
 | ||
|                 // return this._mgr.getStats.apply( this._mgr, arguments );
 | ||
|                 var stats = this.request('get-stats');
 | ||
|     
 | ||
|                 return stats ? {
 | ||
|                     successNum: stats.numOfSuccess,
 | ||
|                     progressNum: stats.numOfProgress,
 | ||
|     
 | ||
|                     // who care?
 | ||
|                     // queueFailNum: 0,
 | ||
|                     cancelNum: stats.numOfCancel,
 | ||
|                     invalidNum: stats.numOfInvalid,
 | ||
|                     uploadFailNum: stats.numOfUploadFailed,
 | ||
|                     queueNum: stats.numOfQueue,
 | ||
|                     interruptNum: stats.numofInterrupt
 | ||
|                 } : {};
 | ||
|             },
 | ||
|     
 | ||
|             // 需要重写此方法来来支持opts.onEvent和instance.onEvent的处理器
 | ||
|             trigger: function( type/*, args...*/ ) {
 | ||
|                 var args = [].slice.call( arguments, 1 ),
 | ||
|                     opts = this.options,
 | ||
|                     name = 'on' + type.substring( 0, 1 ).toUpperCase() +
 | ||
|                         type.substring( 1 );
 | ||
|     
 | ||
|                 if (
 | ||
|                         // 调用通过on方法注册的handler.
 | ||
|                         Mediator.trigger.apply( this, arguments ) === false ||
 | ||
|     
 | ||
|                         // 调用opts.onEvent
 | ||
|                         $.isFunction( opts[ name ] ) &&
 | ||
|                         opts[ name ].apply( this, args ) === false ||
 | ||
|     
 | ||
|                         // 调用this.onEvent
 | ||
|                         $.isFunction( this[ name ] ) &&
 | ||
|                         this[ name ].apply( this, args ) === false ||
 | ||
|     
 | ||
|                         // 广播所有uploader的事件。
 | ||
|                         Mediator.trigger.apply( Mediator,
 | ||
|                         [ this, type ].concat( args ) ) === false ) {
 | ||
|     
 | ||
|                     return false;
 | ||
|                 }
 | ||
|     
 | ||
|                 return true;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 销毁 webuploader 实例
 | ||
|              * @method destroy
 | ||
|              * @grammar destroy() => undefined
 | ||
|              */
 | ||
|             destroy: function() {
 | ||
|                 this.request( 'destroy', arguments );
 | ||
|                 this.off();
 | ||
|             },
 | ||
|     
 | ||
|             // widgets/widget.js将补充此方法的详细文档。
 | ||
|             request: Base.noop
 | ||
|         });
 | ||
|     
 | ||
|         /**
 | ||
|          * 创建Uploader实例,等同于new Uploader( opts );
 | ||
|          * @method create
 | ||
|          * @class Base
 | ||
|          * @static
 | ||
|          * @grammar Base.create( opts ) => Uploader
 | ||
|          */
 | ||
|         Base.create = Uploader.create = function( opts ) {
 | ||
|             return new Uploader( opts );
 | ||
|         };
 | ||
|     
 | ||
|         // 暴露Uploader,可以通过它来扩展业务逻辑。
 | ||
|         Base.Uploader = Uploader;
 | ||
|     
 | ||
|         return Uploader;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Runtime管理器,负责Runtime的选择, 连接
 | ||
|      */
 | ||
|     define('runtime/runtime',[
 | ||
|         'base',
 | ||
|         'mediator'
 | ||
|     ], function( Base, Mediator ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             factories = {},
 | ||
|     
 | ||
|             // 获取对象的第一个key
 | ||
|             getFirstKey = function( obj ) {
 | ||
|                 for ( var key in obj ) {
 | ||
|                     if ( obj.hasOwnProperty( key ) ) {
 | ||
|                         return key;
 | ||
|                     }
 | ||
|                 }
 | ||
|                 return null;
 | ||
|             };
 | ||
|     
 | ||
|         // 接口类。
 | ||
|         function Runtime( options ) {
 | ||
|             this.options = $.extend({
 | ||
|                 container: document.body
 | ||
|             }, options );
 | ||
|             this.uid = Base.guid('rt_');
 | ||
|         }
 | ||
|     
 | ||
|         $.extend( Runtime.prototype, {
 | ||
|     
 | ||
|             getContainer: function() {
 | ||
|                 var opts = this.options,
 | ||
|                     parent, container;
 | ||
|     
 | ||
|                 if ( this._container ) {
 | ||
|                     return this._container;
 | ||
|                 }
 | ||
|     
 | ||
|                 parent = $( opts.container || document.body );
 | ||
|                 container = $( document.createElement('div') );
 | ||
|     
 | ||
|                 container.attr( 'id', 'rt_' + this.uid );
 | ||
|                 container.css({
 | ||
|                     position: 'absolute',
 | ||
|                     top: '0px',
 | ||
|                     left: '0px',
 | ||
|                     width: '1px',
 | ||
|                     height: '1px',
 | ||
|                     overflow: 'hidden'
 | ||
|                 });
 | ||
|     
 | ||
|                 parent.append( container );
 | ||
|                 parent.addClass('webuploader-container');
 | ||
|                 this._container = container;
 | ||
|                 this._parent = parent;
 | ||
|                 return container;
 | ||
|             },
 | ||
|     
 | ||
|             init: Base.noop,
 | ||
|             exec: Base.noop,
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 this._container && this._container.remove();
 | ||
|                 this._parent && this._parent.removeClass('webuploader-container');
 | ||
|                 this.off();
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         Runtime.orders = 'html5,flash';
 | ||
|     
 | ||
|     
 | ||
|         /**
 | ||
|          * 添加Runtime实现。
 | ||
|          * @param {String} type    类型
 | ||
|          * @param {Runtime} factory 具体Runtime实现。
 | ||
|          */
 | ||
|         Runtime.addRuntime = function( type, factory ) {
 | ||
|             factories[ type ] = factory;
 | ||
|         };
 | ||
|     
 | ||
|         Runtime.hasRuntime = function( type ) {
 | ||
|             return !!(type ? factories[ type ] : getFirstKey( factories ));
 | ||
|         };
 | ||
|     
 | ||
|         Runtime.create = function( opts, orders ) {
 | ||
|             var type, runtime;
 | ||
|     
 | ||
|             orders = orders || Runtime.orders;
 | ||
|             $.each( orders.split( /\s*,\s*/g ), function() {
 | ||
|                 if ( factories[ this ] ) {
 | ||
|                     type = this;
 | ||
|                     return false;
 | ||
|                 }
 | ||
|             });
 | ||
|     
 | ||
|             type = type || getFirstKey( factories );
 | ||
|     
 | ||
|             if ( !type ) {
 | ||
|                 throw new Error('Runtime Error');
 | ||
|             }
 | ||
|     
 | ||
|             runtime = new factories[ type ]( opts );
 | ||
|             return runtime;
 | ||
|         };
 | ||
|     
 | ||
|         Mediator.installTo( Runtime.prototype );
 | ||
|         return Runtime;
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview Runtime管理器,负责Runtime的选择, 连接
 | ||
|      */
 | ||
|     define('runtime/client',[
 | ||
|         'base',
 | ||
|         'mediator',
 | ||
|         'runtime/runtime'
 | ||
|     ], function( Base, Mediator, Runtime ) {
 | ||
|     
 | ||
|         var cache;
 | ||
|     
 | ||
|         cache = (function() {
 | ||
|             var obj = {};
 | ||
|     
 | ||
|             return {
 | ||
|                 add: function( runtime ) {
 | ||
|                     obj[ runtime.uid ] = runtime;
 | ||
|                 },
 | ||
|     
 | ||
|                 get: function( ruid, standalone ) {
 | ||
|                     var i;
 | ||
|     
 | ||
|                     if ( ruid ) {
 | ||
|                         return obj[ ruid ];
 | ||
|                     }
 | ||
|     
 | ||
|                     for ( i in obj ) {
 | ||
|                         // 有些类型不能重用,比如filepicker.
 | ||
|                         if ( standalone && obj[ i ].__standalone ) {
 | ||
|                             continue;
 | ||
|                         }
 | ||
|     
 | ||
|                         return obj[ i ];
 | ||
|                     }
 | ||
|     
 | ||
|                     return null;
 | ||
|                 },
 | ||
|     
 | ||
|                 remove: function( runtime ) {
 | ||
|                     delete obj[ runtime.uid ];
 | ||
|                 }
 | ||
|             };
 | ||
|         })();
 | ||
|     
 | ||
|         function RuntimeClient( component, standalone ) {
 | ||
|             var deferred = Base.Deferred(),
 | ||
|                 runtime;
 | ||
|     
 | ||
|             this.uid = Base.guid('client_');
 | ||
|     
 | ||
|             // 允许runtime没有初始化之前,注册一些方法在初始化后执行。
 | ||
|             this.runtimeReady = function( cb ) {
 | ||
|                 return deferred.done( cb );
 | ||
|             };
 | ||
|     
 | ||
|             this.connectRuntime = function( opts, cb ) {
 | ||
|     
 | ||
|                 // already connected.
 | ||
|                 if ( runtime ) {
 | ||
|                     throw new Error('already connected!');
 | ||
|                 }
 | ||
|     
 | ||
|                 deferred.done( cb );
 | ||
|     
 | ||
|                 if ( typeof opts === 'string' && cache.get( opts ) ) {
 | ||
|                     runtime = cache.get( opts );
 | ||
|                 }
 | ||
|     
 | ||
|                 // 像filePicker只能独立存在,不能公用。
 | ||
|                 runtime = runtime || cache.get( null, standalone );
 | ||
|     
 | ||
|                 // 需要创建
 | ||
|                 if ( !runtime ) {
 | ||
|                     runtime = Runtime.create( opts, opts.runtimeOrder );
 | ||
|                     runtime.__promise = deferred.promise();
 | ||
|                     runtime.once( 'ready', deferred.resolve );
 | ||
|                     runtime.init();
 | ||
|                     cache.add( runtime );
 | ||
|                     runtime.__client = 1;
 | ||
|                 } else {
 | ||
|                     // 来自cache
 | ||
|                     Base.$.extend( runtime.options, opts );
 | ||
|                     runtime.__promise.then( deferred.resolve );
 | ||
|                     runtime.__client++;
 | ||
|                 }
 | ||
|     
 | ||
|                 standalone && (runtime.__standalone = standalone);
 | ||
|                 return runtime;
 | ||
|             };
 | ||
|     
 | ||
|             this.getRuntime = function() {
 | ||
|                 return runtime;
 | ||
|             };
 | ||
|     
 | ||
|             this.disconnectRuntime = function() {
 | ||
|                 if ( !runtime ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 runtime.__client--;
 | ||
|     
 | ||
|                 if ( runtime.__client <= 0 ) {
 | ||
|                     cache.remove( runtime );
 | ||
|                     delete runtime.__promise;
 | ||
|                     runtime.destroy();
 | ||
|                 }
 | ||
|     
 | ||
|                 runtime = null;
 | ||
|             };
 | ||
|     
 | ||
|             this.exec = function() {
 | ||
|                 if ( !runtime ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 var args = Base.slice( arguments );
 | ||
|                 component && args.unshift( component );
 | ||
|     
 | ||
|                 return runtime.exec.apply( this, args );
 | ||
|             };
 | ||
|     
 | ||
|             this.getRuid = function() {
 | ||
|                 return runtime && runtime.uid;
 | ||
|             };
 | ||
|     
 | ||
|             this.destroy = (function( destroy ) {
 | ||
|                 return function() {
 | ||
|                     destroy && destroy.apply( this, arguments );
 | ||
|                     this.trigger('destroy');
 | ||
|                     this.off();
 | ||
|                     this.exec('destroy');
 | ||
|                     this.disconnectRuntime();
 | ||
|                 };
 | ||
|             })( this.destroy );
 | ||
|         }
 | ||
|     
 | ||
|         Mediator.installTo( RuntimeClient.prototype );
 | ||
|         return RuntimeClient;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Blob
 | ||
|      */
 | ||
|     define('lib/blob',[
 | ||
|         'base',
 | ||
|         'runtime/client'
 | ||
|     ], function( Base, RuntimeClient ) {
 | ||
|     
 | ||
|         function Blob( ruid, source ) {
 | ||
|             var me = this;
 | ||
|     
 | ||
|             me.source = source;
 | ||
|             me.ruid = ruid;
 | ||
|             this.size = source.size || 0;
 | ||
|     
 | ||
|             // 如果没有指定 mimetype, 但是知道文件后缀。
 | ||
|             if ( !source.type && this.ext &&
 | ||
|                     ~'jpg,jpeg,png,gif,bmp'.indexOf( this.ext ) ) {
 | ||
|                 this.type = 'image/' + (this.ext === 'jpg' ? 'jpeg' : this.ext);
 | ||
|             } else {
 | ||
|                 this.type = source.type || 'application/octet-stream';
 | ||
|             }
 | ||
|     
 | ||
|             RuntimeClient.call( me, 'Blob' );
 | ||
|             this.uid = source.uid || this.uid;
 | ||
|     
 | ||
|             if ( ruid ) {
 | ||
|                 me.connectRuntime( ruid );
 | ||
|             }
 | ||
|         }
 | ||
|     
 | ||
|         Base.inherits( RuntimeClient, {
 | ||
|             constructor: Blob,
 | ||
|     
 | ||
|             slice: function( start, end ) {
 | ||
|                 return this.exec( 'slice', start, end );
 | ||
|             },
 | ||
|     
 | ||
|             getSource: function() {
 | ||
|                 return this.source;
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         return Blob;
 | ||
|     });
 | ||
|     /**
 | ||
|      * 为了统一化Flash的File和HTML5的File而存在。
 | ||
|      * 以至于要调用Flash里面的File,也可以像调用HTML5版本的File一下。
 | ||
|      * @fileOverview File
 | ||
|      */
 | ||
|     define('lib/file',[
 | ||
|         'base',
 | ||
|         'lib/blob'
 | ||
|     ], function( Base, Blob ) {
 | ||
|     
 | ||
|         var uid = 1,
 | ||
|             rExt = /\.([^.]+)$/;
 | ||
|     
 | ||
|         function File( ruid, file ) {
 | ||
|             var ext;
 | ||
|     
 | ||
|             this.name = file.name || ('untitled' + uid++);
 | ||
|             ext = rExt.exec( file.name ) ? RegExp.$1.toLowerCase() : '';
 | ||
|     
 | ||
|             // todo 支持其他类型文件的转换。
 | ||
|             // 如果有 mimetype, 但是文件名里面没有找出后缀规律
 | ||
|             if ( !ext && file.type ) {
 | ||
|                 ext = /\/(jpg|jpeg|png|gif|bmp)$/i.exec( file.type ) ?
 | ||
|                         RegExp.$1.toLowerCase() : '';
 | ||
|                 this.name += '.' + ext;
 | ||
|             }
 | ||
|     
 | ||
|             this.ext = ext;
 | ||
|             this.lastModifiedDate = file.lastModifiedDate ||
 | ||
|                     (new Date()).toLocaleString();
 | ||
|     
 | ||
|             Blob.apply( this, arguments );
 | ||
|         }
 | ||
|     
 | ||
|         return Base.inherits( Blob, File );
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview 错误信息
 | ||
|      */
 | ||
|     define('lib/filepicker',[
 | ||
|         'base',
 | ||
|         'runtime/client',
 | ||
|         'lib/file'
 | ||
|     ], function( Base, RuntimeClient, File ) {
 | ||
|     
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         function FilePicker( opts ) {
 | ||
|             opts = this.options = $.extend({}, FilePicker.options, opts );
 | ||
|     
 | ||
|             opts.container = $( opts.id );
 | ||
|     
 | ||
|             if ( !opts.container.length ) {
 | ||
|                 throw new Error('按钮指定错误');
 | ||
|             }
 | ||
|     
 | ||
|             opts.innerHTML = opts.innerHTML || opts.label ||
 | ||
|                     opts.container.html() || '';
 | ||
|     
 | ||
|             opts.button = $( opts.button || document.createElement('div') );
 | ||
|             opts.button.html( opts.innerHTML );
 | ||
|             opts.container.html( opts.button );
 | ||
|     
 | ||
|             RuntimeClient.call( this, 'FilePicker', true );
 | ||
|         }
 | ||
|     
 | ||
|         FilePicker.options = {
 | ||
|             button: null,
 | ||
|             container: null,
 | ||
|             label: null,
 | ||
|             innerHTML: null,
 | ||
|             multiple: true,
 | ||
|             accept: null,
 | ||
|             name: 'file',
 | ||
|             style: 'webuploader-pick'   //pick element class attribute, default is "webuploader-pick"
 | ||
|         };
 | ||
|     
 | ||
|         Base.inherits( RuntimeClient, {
 | ||
|             constructor: FilePicker,
 | ||
|     
 | ||
|             init: function() {
 | ||
|                 var me = this,
 | ||
|                     opts = me.options,
 | ||
|                     button = opts.button,
 | ||
|                     style = opts.style;
 | ||
|     
 | ||
|                 if (style)
 | ||
|                     button.addClass('webuploader-pick');
 | ||
|     
 | ||
|                 me.on( 'all', function( type ) {
 | ||
|                     var files;
 | ||
|     
 | ||
|                     switch ( type ) {
 | ||
|                         case 'mouseenter':
 | ||
|                             if (style)
 | ||
|                                 button.addClass('webuploader-pick-hover');
 | ||
|                             break;
 | ||
|     
 | ||
|                         case 'mouseleave':
 | ||
|                             if (style)
 | ||
|                                 button.removeClass('webuploader-pick-hover');
 | ||
|                             break;
 | ||
|     
 | ||
|                         case 'change':
 | ||
|                             files = me.exec('getFiles');
 | ||
|                             me.trigger( 'select', $.map( files, function( file ) {
 | ||
|                                 file = new File( me.getRuid(), file );
 | ||
|     
 | ||
|                                 // 记录来源。
 | ||
|                                 file._refer = opts.container;
 | ||
|                                 return file;
 | ||
|                             }), opts.container );
 | ||
|                             break;
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 me.connectRuntime( opts, function() {
 | ||
|                     me.refresh();
 | ||
|                     me.exec( 'init', opts );
 | ||
|                     me.trigger('ready');
 | ||
|                 });
 | ||
|     
 | ||
|                 this._resizeHandler = Base.bindFn( this.refresh, this );
 | ||
|                 $( window ).on( 'resize', this._resizeHandler );
 | ||
|             },
 | ||
|     
 | ||
|             refresh: function() {
 | ||
|                 var shimContainer = this.getRuntime().getContainer(),
 | ||
|                     button = this.options.button,
 | ||
|                     width = button.outerWidth ?
 | ||
|                             button.outerWidth() : button.width(),
 | ||
|     
 | ||
|                     height = button.outerHeight ?
 | ||
|                             button.outerHeight() : button.height(),
 | ||
|     
 | ||
|                     pos = button.offset();
 | ||
|     
 | ||
|                 width && height && shimContainer.css({
 | ||
|                     bottom: 'auto',
 | ||
|                     right: 'auto',
 | ||
|                     width: width + 'px',
 | ||
|                     height: height + 'px'
 | ||
|                 }).offset( pos );
 | ||
|             },
 | ||
|     
 | ||
|             enable: function() {
 | ||
|                 var btn = this.options.button;
 | ||
|     
 | ||
|                 btn.removeClass('webuploader-pick-disable');
 | ||
|                 this.refresh();
 | ||
|             },
 | ||
|     
 | ||
|             disable: function() {
 | ||
|                 var btn = this.options.button;
 | ||
|     
 | ||
|                 this.getRuntime().getContainer().css({
 | ||
|                     top: '-99999px'
 | ||
|                 });
 | ||
|     
 | ||
|                 btn.addClass('webuploader-pick-disable');
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 var btn = this.options.button;
 | ||
|                 $( window ).off( 'resize', this._resizeHandler );
 | ||
|                 btn.removeClass('webuploader-pick-disable webuploader-pick-hover ' +
 | ||
|                     'webuploader-pick');
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         return FilePicker;
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview 组件基类。
 | ||
|      */
 | ||
|     define('widgets/widget',[
 | ||
|         'base',
 | ||
|         'uploader'
 | ||
|     ], function( Base, Uploader ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             _init = Uploader.prototype._init,
 | ||
|             _destroy = Uploader.prototype.destroy,
 | ||
|             IGNORE = {},
 | ||
|             widgetClass = [];
 | ||
|     
 | ||
|         function isArrayLike( obj ) {
 | ||
|             if ( !obj ) {
 | ||
|                 return false;
 | ||
|             }
 | ||
|     
 | ||
|             var length = obj.length,
 | ||
|                 type = $.type( obj );
 | ||
|     
 | ||
|             if ( obj.nodeType === 1 && length ) {
 | ||
|                 return true;
 | ||
|             }
 | ||
|     
 | ||
|             return type === 'array' || type !== 'function' && type !== 'string' &&
 | ||
|                     (length === 0 || typeof length === 'number' && length > 0 &&
 | ||
|                     (length - 1) in obj);
 | ||
|         }
 | ||
|     
 | ||
|         function Widget( uploader ) {
 | ||
|             this.owner = uploader;
 | ||
|             this.options = uploader.options;
 | ||
|         }
 | ||
|     
 | ||
|         $.extend( Widget.prototype, {
 | ||
|     
 | ||
|             init: Base.noop,
 | ||
|     
 | ||
|             // 类Backbone的事件监听声明,监听uploader实例上的事件
 | ||
|             // widget直接无法监听事件,事件只能通过uploader来传递
 | ||
|             invoke: function( apiName, args ) {
 | ||
|     
 | ||
|                 /*
 | ||
|                     {
 | ||
|                         'make-thumb': 'makeThumb'
 | ||
|                     }
 | ||
|                  */
 | ||
|                 var map = this.responseMap;
 | ||
|     
 | ||
|                 // 如果无API响应声明则忽略
 | ||
|                 if ( !map || !(apiName in map) || !(map[ apiName ] in this) ||
 | ||
|                         !$.isFunction( this[ map[ apiName ] ] ) ) {
 | ||
|     
 | ||
|                     return IGNORE;
 | ||
|                 }
 | ||
|     
 | ||
|                 return this[ map[ apiName ] ].apply( this, args );
 | ||
|     
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 发送命令。当传入`callback`或者`handler`中返回`promise`时。返回一个当所有`handler`中的promise都完成后完成的新`promise`。
 | ||
|              * @method request
 | ||
|              * @grammar request( command, args ) => * | Promise
 | ||
|              * @grammar request( command, args, callback ) => Promise
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             request: function() {
 | ||
|                 return this.owner.request.apply( this.owner, arguments );
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         // 扩展Uploader.
 | ||
|         $.extend( Uploader.prototype, {
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {String | Array} [disableWidgets=undefined]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 默认所有 Uploader.register 了的 widget 都会被加载,如果禁用某一部分,请通过此 option 指定黑名单。
 | ||
|              */
 | ||
|     
 | ||
|             // 覆写_init用来初始化widgets
 | ||
|             _init: function() {
 | ||
|                 var me = this,
 | ||
|                     widgets = me._widgets = [],
 | ||
|                     deactives = me.options.disableWidgets || '';
 | ||
|     
 | ||
|                 $.each( widgetClass, function( _, klass ) {
 | ||
|                     (!deactives || !~deactives.indexOf( klass._name )) &&
 | ||
|                         widgets.push( new klass( me ) );
 | ||
|                 });
 | ||
|     
 | ||
|                 return _init.apply( me, arguments );
 | ||
|             },
 | ||
|     
 | ||
|             request: function( apiName, args, callback ) {
 | ||
|                 var i = 0,
 | ||
|                     widgets = this._widgets,
 | ||
|                     len = widgets && widgets.length,
 | ||
|                     rlts = [],
 | ||
|                     dfds = [],
 | ||
|                     widget, rlt, promise, key;
 | ||
|     
 | ||
|                 args = isArrayLike( args ) ? args : [ args ];
 | ||
|     
 | ||
|                 for ( ; i < len; i++ ) {
 | ||
|                     widget = widgets[ i ];
 | ||
|                     rlt = widget.invoke( apiName, args );
 | ||
|     
 | ||
|                     if ( rlt !== IGNORE ) {
 | ||
|     
 | ||
|                         // Deferred对象
 | ||
|                         if ( Base.isPromise( rlt ) ) {
 | ||
|                             dfds.push( rlt );
 | ||
|                         } else {
 | ||
|                             rlts.push( rlt );
 | ||
|                         }
 | ||
|                     }
 | ||
|                 }
 | ||
|     
 | ||
|                 // 如果有callback,则用异步方式。
 | ||
|                 if ( callback || dfds.length ) {
 | ||
|                     promise = Base.when.apply( Base, dfds );
 | ||
|                     key = promise.pipe ? 'pipe' : 'then';
 | ||
|     
 | ||
|                     // 很重要不能删除。删除了会死循环。
 | ||
|                     // 保证执行顺序。让callback总是在下一个 tick 中执行。
 | ||
|                     return promise[ key ](function() {
 | ||
|                                 var deferred = Base.Deferred(),
 | ||
|                                     args = arguments;
 | ||
|     
 | ||
|                                 if ( args.length === 1 ) {
 | ||
|                                     args = args[ 0 ];
 | ||
|                                 }
 | ||
|     
 | ||
|                                 setTimeout(function() {
 | ||
|                                     deferred.resolve( args );
 | ||
|                                 }, 1 );
 | ||
|     
 | ||
|                                 return deferred.promise();
 | ||
|                             })[ callback ? key : 'done' ]( callback || Base.noop );
 | ||
|                 } else {
 | ||
|                     return rlts[ 0 ];
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 _destroy.apply( this, arguments );
 | ||
|                 this._widgets = null;
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         /**
 | ||
|          * 添加组件
 | ||
|          * @grammar Uploader.register(proto);
 | ||
|          * @grammar Uploader.register(map, proto);
 | ||
|          * @param  {object} responseMap API 名称与函数实现的映射
 | ||
|          * @param  {object} proto 组件原型,构造函数通过 constructor 属性定义
 | ||
|          * @method Uploader.register
 | ||
|          * @for Uploader
 | ||
|          * @example
 | ||
|          * Uploader.register({
 | ||
|          *     'make-thumb': 'makeThumb'
 | ||
|          * }, {
 | ||
|          *     init: function( options ) {},
 | ||
|          *     makeThumb: function() {}
 | ||
|          * });
 | ||
|          *
 | ||
|          * Uploader.register({
 | ||
|          *     'make-thumb': function() {
 | ||
|          *         
 | ||
|          *     }
 | ||
|          * });
 | ||
|          */
 | ||
|         Uploader.register = Widget.register = function( responseMap, widgetProto ) {
 | ||
|             var map = { init: 'init', destroy: 'destroy', name: 'anonymous' },
 | ||
|                 klass;
 | ||
|     
 | ||
|             if ( arguments.length === 1 ) {
 | ||
|                 widgetProto = responseMap;
 | ||
|     
 | ||
|                 // 自动生成 map 表。
 | ||
|                 $.each(widgetProto, function(key) {
 | ||
|                     if ( key[0] === '_' || key === 'name' ) {
 | ||
|                         key === 'name' && (map.name = widgetProto.name);
 | ||
|                         return;
 | ||
|                     }
 | ||
|     
 | ||
|                     map[key.replace(/[A-Z]/g, '-$&').toLowerCase()] = key;
 | ||
|                 });
 | ||
|     
 | ||
|             } else {
 | ||
|                 map = $.extend( map, responseMap );
 | ||
|             }
 | ||
|     
 | ||
|             widgetProto.responseMap = map;
 | ||
|             klass = Base.inherits( Widget, widgetProto );
 | ||
|             klass._name = map.name;
 | ||
|             widgetClass.push( klass );
 | ||
|     
 | ||
|             return klass;
 | ||
|         };
 | ||
|     
 | ||
|         /**
 | ||
|          * 删除插件,只有在注册时指定了名字的才能被删除。
 | ||
|          * @grammar Uploader.unRegister(name);
 | ||
|          * @param  {string} name 组件名字
 | ||
|          * @method Uploader.unRegister
 | ||
|          * @for Uploader
 | ||
|          * @example
 | ||
|          *
 | ||
|          * Uploader.register({
 | ||
|          *     name: 'custom',
 | ||
|          *     
 | ||
|          *     'make-thumb': function() {
 | ||
|          *         
 | ||
|          *     }
 | ||
|          * });
 | ||
|          *
 | ||
|          * Uploader.unRegister('custom');
 | ||
|          */
 | ||
|         Uploader.unRegister = Widget.unRegister = function( name ) {
 | ||
|             if ( !name || name === 'anonymous' ) {
 | ||
|                 return;
 | ||
|             }
 | ||
|             
 | ||
|             // 删除指定的插件。
 | ||
|             for ( var i = widgetClass.length; i--; ) {
 | ||
|                 if ( widgetClass[i]._name === name ) {
 | ||
|                     widgetClass.splice(i, 1)
 | ||
|                 }
 | ||
|             }
 | ||
|         };
 | ||
|     
 | ||
|         return Widget;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 文件选择相关
 | ||
|      */
 | ||
|     define('widgets/filepicker',[
 | ||
|         'base',
 | ||
|         'uploader',
 | ||
|         'lib/filepicker',
 | ||
|         'widgets/widget'
 | ||
|     ], function( Base, Uploader, FilePicker ) {
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         $.extend( Uploader.options, {
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Selector | Object} [pick=undefined]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 指定选择文件的按钮容器,不指定则不创建按钮。
 | ||
|              *
 | ||
|              * * `id` {Seletor|dom} 指定选择文件的按钮容器,不指定则不创建按钮。**注意** 这里虽然写的是 id, 但是不是只支持 id, 还支持 class, 或者 dom 节点。
 | ||
|              * * `label` {String} 请采用 `innerHTML` 代替
 | ||
|              * * `innerHTML` {String} 指定按钮文字。不指定时优先从指定的容器中看是否自带文字。
 | ||
|              * * `multiple` {Boolean} 是否开起同时选择多个文件能力。
 | ||
|              */
 | ||
|             pick: null,
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Arroy} [accept=null]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 指定接受哪些类型的文件。 由于目前还有ext转mimeType表,所以这里需要分开指定。
 | ||
|              *
 | ||
|              * * `title` {String} 文字描述
 | ||
|              * * `extensions` {String} 允许的文件后缀,不带点,多个用逗号分割。
 | ||
|              * * `mimeTypes` {String} 多个用逗号分割。
 | ||
|              *
 | ||
|              * 如:
 | ||
|              *
 | ||
|              * ```
 | ||
|              * {
 | ||
|              *     title: 'Images',
 | ||
|              *     extensions: 'gif,jpg,jpeg,bmp,png',
 | ||
|              *     mimeTypes: 'image/*'
 | ||
|              * }
 | ||
|              * ```
 | ||
|              */
 | ||
|             accept: null/*{
 | ||
|                 title: 'Images',
 | ||
|                 extensions: 'gif,jpg,jpeg,bmp,png',
 | ||
|                 mimeTypes: 'image/*'
 | ||
|             }*/
 | ||
|         });
 | ||
|     
 | ||
|         return Uploader.register({
 | ||
|             name: 'picker',
 | ||
|     
 | ||
|             init: function( opts ) {
 | ||
|                 this.pickers = [];
 | ||
|                 return opts.pick && this.addBtn( opts.pick );
 | ||
|             },
 | ||
|     
 | ||
|             refresh: function() {
 | ||
|                 $.each( this.pickers, function() {
 | ||
|                     this.refresh();
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @method addBtn
 | ||
|              * @for Uploader
 | ||
|              * @grammar addBtn( pick ) => Promise
 | ||
|              * @description
 | ||
|              * 添加文件选择按钮,如果一个按钮不够,需要调用此方法来添加。参数跟[options.pick](#WebUploader:Uploader:options)一致。
 | ||
|              * @example
 | ||
|              * uploader.addBtn({
 | ||
|              *     id: '#btnContainer',
 | ||
|              *     innerHTML: '选择文件'
 | ||
|              * });
 | ||
|              */
 | ||
|             addBtn: function( pick ) {
 | ||
|                 var me = this,
 | ||
|                     opts = me.options,
 | ||
|                     accept = opts.accept,
 | ||
|                     promises = [];
 | ||
|     
 | ||
|                 if ( !pick ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 $.isPlainObject( pick ) || (pick = {
 | ||
|                     id: pick
 | ||
|                 });
 | ||
|     
 | ||
|                 $( pick.id ).each(function() {
 | ||
|                     var options, picker, deferred;
 | ||
|     
 | ||
|                     deferred = Base.Deferred();
 | ||
|     
 | ||
|                     options = $.extend({}, pick, {
 | ||
|                         accept: $.isPlainObject( accept ) ? [ accept ] : accept,
 | ||
|                         swf: opts.swf,
 | ||
|                         runtimeOrder: opts.runtimeOrder,
 | ||
|                         id: this
 | ||
|                     });
 | ||
|     
 | ||
|                     picker = new FilePicker( options );
 | ||
|     
 | ||
|                     picker.once( 'ready', deferred.resolve );
 | ||
|                     picker.on( 'select', function( files ) {
 | ||
|                         me.owner.request( 'add-file', [ files ]);
 | ||
|                     });
 | ||
|                     picker.on('dialogopen', function() {
 | ||
|                         me.owner.trigger('dialogOpen', picker.button);
 | ||
|                     });
 | ||
|                     picker.init();
 | ||
|     
 | ||
|                     me.pickers.push( picker );
 | ||
|     
 | ||
|                     promises.push( deferred.promise() );
 | ||
|                 });
 | ||
|     
 | ||
|                 return Base.when.apply( Base, promises );
 | ||
|             },
 | ||
|     
 | ||
|             disable: function() {
 | ||
|                 $.each( this.pickers, function() {
 | ||
|                     this.disable();
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             enable: function() {
 | ||
|                 $.each( this.pickers, function() {
 | ||
|                     this.enable();
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 $.each( this.pickers, function() {
 | ||
|                     this.destroy();
 | ||
|                 });
 | ||
|                 this.pickers = null;
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Image
 | ||
|      */
 | ||
|     define('lib/image',[
 | ||
|         'base',
 | ||
|         'runtime/client',
 | ||
|         'lib/blob'
 | ||
|     ], function( Base, RuntimeClient, Blob ) {
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         // 构造器。
 | ||
|         function Image( opts ) {
 | ||
|             this.options = $.extend({}, Image.options, opts );
 | ||
|             RuntimeClient.call( this, 'Image' );
 | ||
|     
 | ||
|             this.on( 'load', function() {
 | ||
|                 this._info = this.exec('info');
 | ||
|                 this._meta = this.exec('meta');
 | ||
|             });
 | ||
|         }
 | ||
|     
 | ||
|         // 默认选项。
 | ||
|         Image.options = {
 | ||
|     
 | ||
|             // 默认的图片处理质量
 | ||
|             quality: 90,
 | ||
|     
 | ||
|             // 是否裁剪
 | ||
|             crop: false,
 | ||
|     
 | ||
|             // 是否保留头部信息
 | ||
|             preserveHeaders: false,
 | ||
|     
 | ||
|             // 是否允许放大。
 | ||
|             allowMagnify: false
 | ||
|         };
 | ||
|     
 | ||
|         // 继承RuntimeClient.
 | ||
|         Base.inherits( RuntimeClient, {
 | ||
|             constructor: Image,
 | ||
|     
 | ||
|             info: function( val ) {
 | ||
|     
 | ||
|                 // setter
 | ||
|                 if ( val ) {
 | ||
|                     this._info = val;
 | ||
|                     return this;
 | ||
|                 }
 | ||
|     
 | ||
|                 // getter
 | ||
|                 return this._info;
 | ||
|             },
 | ||
|     
 | ||
|             meta: function( val ) {
 | ||
|     
 | ||
|                 // setter
 | ||
|                 if ( val ) {
 | ||
|                     this._meta = val;
 | ||
|                     return this;
 | ||
|                 }
 | ||
|     
 | ||
|                 // getter
 | ||
|                 return this._meta;
 | ||
|             },
 | ||
|     
 | ||
|             loadFromBlob: function( blob ) {
 | ||
|                 var me = this,
 | ||
|                     ruid = blob.getRuid();
 | ||
|     
 | ||
|                 this.connectRuntime( ruid, function() {
 | ||
|                     me.exec( 'init', me.options );
 | ||
|                     me.exec( 'loadFromBlob', blob );
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             resize: function() {
 | ||
|                 var args = Base.slice( arguments );
 | ||
|                 return this.exec.apply( this, [ 'resize' ].concat( args ) );
 | ||
|             },
 | ||
|     
 | ||
|             crop: function() {
 | ||
|                 var args = Base.slice( arguments );
 | ||
|                 return this.exec.apply( this, [ 'crop' ].concat( args ) );
 | ||
|             },
 | ||
|     
 | ||
|             getAsDataUrl: function( type ) {
 | ||
|                 return this.exec( 'getAsDataUrl', type );
 | ||
|             },
 | ||
|     
 | ||
|             getAsBlob: function( type ) {
 | ||
|                 var blob = this.exec( 'getAsBlob', type );
 | ||
|     
 | ||
|                 return new Blob( this.getRuid(), blob );
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         return Image;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 图片操作, 负责预览图片和上传前压缩图片
 | ||
|      */
 | ||
|     define('widgets/image',[
 | ||
|         'base',
 | ||
|         'uploader',
 | ||
|         'lib/image',
 | ||
|         'widgets/widget'
 | ||
|     ], function( Base, Uploader, Image ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             throttle;
 | ||
|     
 | ||
|         // 根据要处理的文件大小来节流,一次不能处理太多,会卡。
 | ||
|         throttle = (function( max ) {
 | ||
|             var occupied = 0,
 | ||
|                 waiting = [],
 | ||
|                 tick = function() {
 | ||
|                     var item;
 | ||
|     
 | ||
|                     while ( waiting.length && occupied < max ) {
 | ||
|                         item = waiting.shift();
 | ||
|                         occupied += item[ 0 ];
 | ||
|                         item[ 1 ]();
 | ||
|                     }
 | ||
|                 };
 | ||
|     
 | ||
|             return function( emiter, size, cb ) {
 | ||
|                 waiting.push([ size, cb ]);
 | ||
|                 emiter.once( 'destroy', function() {
 | ||
|                     occupied -= size;
 | ||
|                     setTimeout( tick, 1 );
 | ||
|                 });
 | ||
|                 setTimeout( tick, 1 );
 | ||
|             };
 | ||
|         })( 5 * 1024 * 1024 );
 | ||
|     
 | ||
|         $.extend( Uploader.options, {
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Object} [thumb]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 配置生成缩略图的选项。
 | ||
|              *
 | ||
|              * 默认为:
 | ||
|              *
 | ||
|              * ```javascript
 | ||
|              * {
 | ||
|              *     width: 110,
 | ||
|              *     height: 110,
 | ||
|              *
 | ||
|              *     // 图片质量,只有type为`image/jpeg`的时候才有效。
 | ||
|              *     quality: 70,
 | ||
|              *
 | ||
|              *     // 是否允许放大,如果想要生成小图的时候不失真,此选项应该设置为false.
 | ||
|              *     allowMagnify: true,
 | ||
|              *
 | ||
|              *     // 是否允许裁剪。
 | ||
|              *     crop: true,
 | ||
|              *
 | ||
|              *     // 为空的话则保留原有图片格式。
 | ||
|              *     // 否则强制转换成指定的类型。
 | ||
|              *     type: 'image/jpeg'
 | ||
|              * }
 | ||
|              * ```
 | ||
|              */
 | ||
|             thumb: {
 | ||
|                 width: 110,
 | ||
|                 height: 110,
 | ||
|                 quality: 70,
 | ||
|                 allowMagnify: true,
 | ||
|                 crop: true,
 | ||
|                 preserveHeaders: false,
 | ||
|     
 | ||
|                 // 为空的话则保留原有图片格式。
 | ||
|                 // 否则强制转换成指定的类型。
 | ||
|                 // IE 8下面 base64 大小不能超过 32K 否则预览失败,而非 jpeg 编码的图片很可
 | ||
|                 // 能会超过 32k, 所以这里设置成预览的时候都是 image/jpeg
 | ||
|                 type: 'image/jpeg'
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Object} [compress]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 配置压缩的图片的选项。如果此选项为`false`, 则图片在上传前不进行压缩。
 | ||
|              *
 | ||
|              * 默认为:
 | ||
|              *
 | ||
|              * ```javascript
 | ||
|              * {
 | ||
|              *     width: 1600,
 | ||
|              *     height: 1600,
 | ||
|              *
 | ||
|              *     // 图片质量,只有type为`image/jpeg`的时候才有效。
 | ||
|              *     quality: 90,
 | ||
|              *
 | ||
|              *     // 是否允许放大,如果想要生成小图的时候不失真,此选项应该设置为false.
 | ||
|              *     allowMagnify: false,
 | ||
|              *
 | ||
|              *     // 是否允许裁剪。
 | ||
|              *     crop: false,
 | ||
|              *
 | ||
|              *     // 是否保留头部meta信息。
 | ||
|              *     preserveHeaders: true,
 | ||
|              *
 | ||
|              *     // 如果发现压缩后文件大小比原来还大,则使用原来图片
 | ||
|              *     // 此属性可能会影响图片自动纠正功能
 | ||
|              *     noCompressIfLarger: false,
 | ||
|              *
 | ||
|              *     // 单位字节,如果图片大小小于此值,不会采用压缩。
 | ||
|              *     compressSize: 0
 | ||
|              * }
 | ||
|              * ```
 | ||
|              */
 | ||
|             compress: {
 | ||
|                 width: 1600,
 | ||
|                 height: 1600,
 | ||
|                 quality: 90,
 | ||
|                 allowMagnify: false,
 | ||
|                 crop: false,
 | ||
|                 preserveHeaders: true
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         return Uploader.register({
 | ||
|     
 | ||
|             name: 'image',
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * 生成缩略图,此过程为异步,所以需要传入`callback`。
 | ||
|              * 通常情况在图片加入队里后调用此方法来生成预览图以增强交互效果。
 | ||
|              *
 | ||
|              * 当 width 或者 height 的值介于 0 - 1 时,被当成百分比使用。
 | ||
|              *
 | ||
|              * `callback`中可以接收到两个参数。
 | ||
|              * * 第一个为error,如果生成缩略图有错误,此error将为真。
 | ||
|              * * 第二个为ret, 缩略图的Data URL值。
 | ||
|              *
 | ||
|              * **注意**
 | ||
|              * Date URL在IE6/7中不支持,所以不用调用此方法了,直接显示一张暂不支持预览图片好了。
 | ||
|              * 也可以借助服务端,将 base64 数据传给服务端,生成一个临时文件供预览。
 | ||
|              *
 | ||
|              * @method makeThumb
 | ||
|              * @grammar makeThumb( file, callback ) => undefined
 | ||
|              * @grammar makeThumb( file, callback, width, height ) => undefined
 | ||
|              * @for Uploader
 | ||
|              * @example
 | ||
|              *
 | ||
|              * uploader.on( 'fileQueued', function( file ) {
 | ||
|              *     var $li = ...;
 | ||
|              *
 | ||
|              *     uploader.makeThumb( file, function( error, ret ) {
 | ||
|              *         if ( error ) {
 | ||
|              *             $li.text('预览错误');
 | ||
|              *         } else {
 | ||
|              *             $li.append('<img alt="" src="' + ret + '" />');
 | ||
|              *         }
 | ||
|              *     });
 | ||
|              *
 | ||
|              * });
 | ||
|              */
 | ||
|             makeThumb: function( file, cb, width, height ) {
 | ||
|                 var opts, image;
 | ||
|     
 | ||
|                 file = this.request( 'get-file', file );
 | ||
|     
 | ||
|                 // 只预览图片格式。
 | ||
|                 if ( !file.type.match( /^image/ ) ) {
 | ||
|                     cb( true );
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 opts = $.extend({}, this.options.thumb );
 | ||
|     
 | ||
|                 // 如果传入的是object.
 | ||
|                 if ( $.isPlainObject( width ) ) {
 | ||
|                     opts = $.extend( opts, width );
 | ||
|                     width = null;
 | ||
|                 }
 | ||
|     
 | ||
|                 width = width || opts.width;
 | ||
|                 height = height || opts.height;
 | ||
|     
 | ||
|                 image = new Image( opts );
 | ||
|     
 | ||
|                 image.once( 'load', function() {
 | ||
|                     file._info = file._info || image.info();
 | ||
|                     file._meta = file._meta || image.meta();
 | ||
|     
 | ||
|                     // 如果 width 的值介于 0 - 1
 | ||
|                     // 说明设置的是百分比。
 | ||
|                     if ( width <= 1 && width > 0 ) {
 | ||
|                         width = file._info.width * width;
 | ||
|                     }
 | ||
|     
 | ||
|                     // 同样的规则应用于 height
 | ||
|                     if ( height <= 1 && height > 0 ) {
 | ||
|                         height = file._info.height * height;
 | ||
|                     }
 | ||
|     
 | ||
|                     image.resize( width, height );
 | ||
|                 });
 | ||
|     
 | ||
|                 // 当 resize 完后
 | ||
|                 image.once( 'complete', function() {
 | ||
|                     cb( false, image.getAsDataUrl( opts.type ) );
 | ||
|                     image.destroy();
 | ||
|                 });
 | ||
|     
 | ||
|                 image.once( 'error', function( reason ) {
 | ||
|                     cb( reason || true );
 | ||
|                     image.destroy();
 | ||
|                 });
 | ||
|     
 | ||
|                 throttle( image, file.source.size, function() {
 | ||
|                     file._info && image.info( file._info );
 | ||
|                     file._meta && image.meta( file._meta );
 | ||
|                     image.loadFromBlob( file.source );
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             beforeSendFile: function( file ) {
 | ||
|                 var opts = this.options.compress || this.options.resize,
 | ||
|                     compressSize = opts && opts.compressSize || 0,
 | ||
|                     noCompressIfLarger = opts && opts.noCompressIfLarger || false,
 | ||
|                     image, deferred;
 | ||
|     
 | ||
|                 file = this.request( 'get-file', file );
 | ||
|     
 | ||
|                 // 只压缩 jpeg 图片格式。
 | ||
|                 // gif 可能会丢失针
 | ||
|                 // bmp png 基本上尺寸都不大,且压缩比比较小。
 | ||
|                 if ( !opts || !~'image/jpeg,image/jpg'.indexOf( file.type ) ||
 | ||
|                         file.size < compressSize ||
 | ||
|                         file._compressed ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 opts = $.extend({}, opts );
 | ||
|                 deferred = Base.Deferred();
 | ||
|     
 | ||
|                 image = new Image( opts );
 | ||
|     
 | ||
|                 deferred.always(function() {
 | ||
|                     image.destroy();
 | ||
|                     image = null;
 | ||
|                 });
 | ||
|                 image.once( 'error', deferred.reject );
 | ||
|                 image.once( 'load', function() {
 | ||
|                     var width = opts.width,
 | ||
|                         height = opts.height;
 | ||
|     
 | ||
|                     file._info = file._info || image.info();
 | ||
|                     file._meta = file._meta || image.meta();
 | ||
|     
 | ||
|                     // 如果 width 的值介于 0 - 1
 | ||
|                     // 说明设置的是百分比。
 | ||
|                     if ( width <= 1 && width > 0 ) {
 | ||
|                         width = file._info.width * width;
 | ||
|                     }
 | ||
|     
 | ||
|                     // 同样的规则应用于 height
 | ||
|                     if ( height <= 1 && height > 0 ) {
 | ||
|                         height = file._info.height * height;
 | ||
|                     }
 | ||
|     
 | ||
|                     image.resize( width, height );
 | ||
|                 });
 | ||
|     
 | ||
|                 image.once( 'complete', function() {
 | ||
|                     var blob, size;
 | ||
|     
 | ||
|                     // 移动端 UC / qq 浏览器的无图模式下
 | ||
|                     // ctx.getImageData 处理大图的时候会报 Exception
 | ||
|                     // INDEX_SIZE_ERR: DOM Exception 1
 | ||
|                     try {
 | ||
|                         blob = image.getAsBlob( opts.type );
 | ||
|     
 | ||
|                         size = file.size;
 | ||
|     
 | ||
|                         // 如果压缩后,比原来还大则不用压缩后的。
 | ||
|                         if ( !noCompressIfLarger || blob.size < size ) {
 | ||
|                             // file.source.destroy && file.source.destroy();
 | ||
|                             file.source = blob;
 | ||
|                             file.size = blob.size;
 | ||
|     
 | ||
|                             file.trigger( 'resize', blob.size, size );
 | ||
|                         }
 | ||
|     
 | ||
|                         // 标记,避免重复压缩。
 | ||
|                         file._compressed = true;
 | ||
|                         deferred.resolve();
 | ||
|                     } catch ( e ) {
 | ||
|                         // 出错了直接继续,让其上传原始图片
 | ||
|                         deferred.resolve();
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 file._info && image.info( file._info );
 | ||
|                 file._meta && image.meta( file._meta );
 | ||
|     
 | ||
|                 image.loadFromBlob( file.source );
 | ||
|                 return deferred.promise();
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 文件属性封装
 | ||
|      */
 | ||
|     define('file',[
 | ||
|         'base',
 | ||
|         'mediator'
 | ||
|     ], function( Base, Mediator ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             idPrefix = 'WU_FILE_',
 | ||
|             idSuffix = 0,
 | ||
|             rExt = /\.([^.]+)$/,
 | ||
|             statusMap = {};
 | ||
|     
 | ||
|         function gid() {
 | ||
|             return idPrefix + idSuffix++;
 | ||
|         }
 | ||
|     
 | ||
|         /**
 | ||
|          * 文件类
 | ||
|          * @class File
 | ||
|          * @constructor 构造函数
 | ||
|          * @grammar new File( source ) => File
 | ||
|          * @param {Lib.File} source [lib.File](#Lib.File)实例, 此source对象是带有Runtime信息的。
 | ||
|          */
 | ||
|         function WUFile( source ) {
 | ||
|     
 | ||
|             /**
 | ||
|              * 文件名,包括扩展名(后缀)
 | ||
|              * @property name
 | ||
|              * @type {string}
 | ||
|              */
 | ||
|             this.name = source.name || 'Untitled';
 | ||
|     
 | ||
|             /**
 | ||
|              * 文件体积(字节)
 | ||
|              * @property size
 | ||
|              * @type {uint}
 | ||
|              * @default 0
 | ||
|              */
 | ||
|             this.size = source.size || 0;
 | ||
|     
 | ||
|             /**
 | ||
|              * 文件MIMETYPE类型,与文件类型的对应关系请参考[http://t.cn/z8ZnFny](http://t.cn/z8ZnFny)
 | ||
|              * @property type
 | ||
|              * @type {string}
 | ||
|              * @default 'application/octet-stream'
 | ||
|              */
 | ||
|             this.type = source.type || 'application/octet-stream';
 | ||
|     
 | ||
|             /**
 | ||
|              * 文件最后修改日期
 | ||
|              * @property lastModifiedDate
 | ||
|              * @type {int}
 | ||
|              * @default 当前时间戳
 | ||
|              */
 | ||
|             this.lastModifiedDate = source.lastModifiedDate || (new Date() * 1);
 | ||
|     
 | ||
|             /**
 | ||
|              * 文件ID,每个对象具有唯一ID,与文件名无关
 | ||
|              * @property id
 | ||
|              * @type {string}
 | ||
|              */
 | ||
|             this.id = gid();
 | ||
|     
 | ||
|             /**
 | ||
|              * 文件扩展名,通过文件名获取,例如test.png的扩展名为png
 | ||
|              * @property ext
 | ||
|              * @type {string}
 | ||
|              */
 | ||
|             this.ext = rExt.exec( this.name ) ? RegExp.$1 : '';
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * 状态文字说明。在不同的status语境下有不同的用途。
 | ||
|              * @property statusText
 | ||
|              * @type {string}
 | ||
|              */
 | ||
|             this.statusText = '';
 | ||
|     
 | ||
|             // 存储文件状态,防止通过属性直接修改
 | ||
|             statusMap[ this.id ] = WUFile.Status.INITED;
 | ||
|     
 | ||
|             this.source = source;
 | ||
|             this.loaded = 0;
 | ||
|     
 | ||
|             this.on( 'error', function( msg ) {
 | ||
|                 this.setStatus( WUFile.Status.ERROR, msg );
 | ||
|             });
 | ||
|         }
 | ||
|     
 | ||
|         $.extend( WUFile.prototype, {
 | ||
|     
 | ||
|             /**
 | ||
|              * 设置状态,状态变化时会触发`change`事件。
 | ||
|              * @method setStatus
 | ||
|              * @grammar setStatus( status[, statusText] );
 | ||
|              * @param {File.Status|String} status [文件状态值](#WebUploader:File:File.Status)
 | ||
|              * @param {String} [statusText=''] 状态说明,常在error时使用,用http, abort,server等来标记是由于什么原因导致文件错误。
 | ||
|              */
 | ||
|             setStatus: function( status, text ) {
 | ||
|     
 | ||
|                 var prevStatus = statusMap[ this.id ];
 | ||
|     
 | ||
|                 typeof text !== 'undefined' && (this.statusText = text);
 | ||
|     
 | ||
|                 if ( status !== prevStatus ) {
 | ||
|                     statusMap[ this.id ] = status;
 | ||
|                     /**
 | ||
|                      * 文件状态变化
 | ||
|                      * @event statuschange
 | ||
|                      */
 | ||
|                     this.trigger( 'statuschange', status, prevStatus );
 | ||
|                 }
 | ||
|     
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 获取文件状态
 | ||
|              * @return {File.Status}
 | ||
|              * @example
 | ||
|                      文件状态具体包括以下几种类型:
 | ||
|                      {
 | ||
|                          // 初始化
 | ||
|                         INITED:     0,
 | ||
|                         // 已入队列
 | ||
|                         QUEUED:     1,
 | ||
|                         // 正在上传
 | ||
|                         PROGRESS:     2,
 | ||
|                         // 上传出错
 | ||
|                         ERROR:         3,
 | ||
|                         // 上传成功
 | ||
|                         COMPLETE:     4,
 | ||
|                         // 上传取消
 | ||
|                         CANCELLED:     5
 | ||
|                     }
 | ||
|              */
 | ||
|             getStatus: function() {
 | ||
|                 return statusMap[ this.id ];
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 获取文件原始信息。
 | ||
|              * @return {*}
 | ||
|              */
 | ||
|             getSource: function() {
 | ||
|                 return this.source;
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 this.off();
 | ||
|                 delete statusMap[ this.id ];
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         Mediator.installTo( WUFile.prototype );
 | ||
|     
 | ||
|         /**
 | ||
|          * 文件状态值,具体包括以下几种类型:
 | ||
|          * * `inited` 初始状态
 | ||
|          * * `queued` 已经进入队列, 等待上传
 | ||
|          * * `progress` 上传中
 | ||
|          * * `complete` 上传完成。
 | ||
|          * * `error` 上传出错,可重试
 | ||
|          * * `interrupt` 上传中断,可续传。
 | ||
|          * * `invalid` 文件不合格,不能重试上传。会自动从队列中移除。
 | ||
|          * * `cancelled` 文件被移除。
 | ||
|          * @property {Object} Status
 | ||
|          * @namespace File
 | ||
|          * @class File
 | ||
|          * @static
 | ||
|          */
 | ||
|         WUFile.Status = {
 | ||
|             INITED:     'inited',    // 初始状态
 | ||
|             QUEUED:     'queued',    // 已经进入队列, 等待上传
 | ||
|             PROGRESS:   'progress',    // 上传中
 | ||
|             ERROR:      'error',    // 上传出错,可重试
 | ||
|             COMPLETE:   'complete',    // 上传完成。
 | ||
|             CANCELLED:  'cancelled',    // 上传取消。
 | ||
|             INTERRUPT:  'interrupt',    // 上传中断,可续传。
 | ||
|             INVALID:    'invalid'    // 文件不合格,不能重试上传。
 | ||
|         };
 | ||
|     
 | ||
|         return WUFile;
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview 文件队列
 | ||
|      */
 | ||
|     define('queue',[
 | ||
|         'base',
 | ||
|         'mediator',
 | ||
|         'file'
 | ||
|     ], function( Base, Mediator, WUFile ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             STATUS = WUFile.Status;
 | ||
|     
 | ||
|         /**
 | ||
|          * 文件队列, 用来存储各个状态中的文件。
 | ||
|          * @class Queue
 | ||
|          * @extends Mediator
 | ||
|          */
 | ||
|         function Queue() {
 | ||
|     
 | ||
|             /**
 | ||
|              * 统计文件数。
 | ||
|              * * `numOfQueue` 队列中的文件数。
 | ||
|              * * `numOfSuccess` 上传成功的文件数
 | ||
|              * * `numOfCancel` 被取消的文件数
 | ||
|              * * `numOfProgress` 正在上传中的文件数
 | ||
|              * * `numOfUploadFailed` 上传错误的文件数。
 | ||
|              * * `numOfInvalid` 无效的文件数。
 | ||
|              * * `numofDeleted` 被移除的文件数。
 | ||
|              * @property {Object} stats
 | ||
|              */
 | ||
|             this.stats = {
 | ||
|                 numOfQueue: 0,
 | ||
|                 numOfSuccess: 0,
 | ||
|                 numOfCancel: 0,
 | ||
|                 numOfProgress: 0,
 | ||
|                 numOfUploadFailed: 0,
 | ||
|                 numOfInvalid: 0,
 | ||
|                 numofDeleted: 0,
 | ||
|                 numofInterrupt: 0
 | ||
|             };
 | ||
|     
 | ||
|             // 上传队列,仅包括等待上传的文件
 | ||
|             this._queue = [];
 | ||
|     
 | ||
|             // 存储所有文件
 | ||
|             this._map = {};
 | ||
|         }
 | ||
|     
 | ||
|         $.extend( Queue.prototype, {
 | ||
|     
 | ||
|             /**
 | ||
|              * 将新文件加入对队列尾部
 | ||
|              *
 | ||
|              * @method append
 | ||
|              * @param  {File} file   文件对象
 | ||
|              */
 | ||
|             append: function( file ) {
 | ||
|                 this._queue.push( file );
 | ||
|                 this._fileAdded( file );
 | ||
|                 return this;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 将新文件加入对队列头部
 | ||
|              *
 | ||
|              * @method prepend
 | ||
|              * @param  {File} file   文件对象
 | ||
|              */
 | ||
|             prepend: function( file ) {
 | ||
|                 this._queue.unshift( file );
 | ||
|                 this._fileAdded( file );
 | ||
|                 return this;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 获取文件对象
 | ||
|              *
 | ||
|              * @method getFile
 | ||
|              * @param  {String} fileId   文件ID
 | ||
|              * @return {File}
 | ||
|              */
 | ||
|             getFile: function( fileId ) {
 | ||
|                 if ( typeof fileId !== 'string' ) {
 | ||
|                     return fileId;
 | ||
|                 }
 | ||
|                 return this._map[ fileId ];
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 从队列中取出一个指定状态的文件。
 | ||
|              * @grammar fetch( status ) => File
 | ||
|              * @method fetch
 | ||
|              * @param {String} status [文件状态值](#WebUploader:File:File.Status)
 | ||
|              * @return {File} [File](#WebUploader:File)
 | ||
|              */
 | ||
|             fetch: function( status ) {
 | ||
|                 var len = this._queue.length,
 | ||
|                     i, file;
 | ||
|     
 | ||
|                 status = status || STATUS.QUEUED;
 | ||
|     
 | ||
|                 for ( i = 0; i < len; i++ ) {
 | ||
|                     file = this._queue[ i ];
 | ||
|     
 | ||
|                     if ( status === file.getStatus() ) {
 | ||
|                         return file;
 | ||
|                     }
 | ||
|                 }
 | ||
|     
 | ||
|                 return null;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 对队列进行排序,能够控制文件上传顺序。
 | ||
|              * @grammar sort( fn ) => undefined
 | ||
|              * @method sort
 | ||
|              * @param {Function} fn 排序方法
 | ||
|              */
 | ||
|             sort: function( fn ) {
 | ||
|                 if ( typeof fn === 'function' ) {
 | ||
|                     this._queue.sort( fn );
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 获取指定类型的文件列表, 列表中每一个成员为[File](#WebUploader:File)对象。
 | ||
|              * @grammar getFiles( [status1[, status2 ...]] ) => Array
 | ||
|              * @method getFiles
 | ||
|              * @param {String} [status] [文件状态值](#WebUploader:File:File.Status)
 | ||
|              */
 | ||
|             getFiles: function() {
 | ||
|                 var sts = [].slice.call( arguments, 0 ),
 | ||
|                     ret = [],
 | ||
|                     i = 0,
 | ||
|                     len = this._queue.length,
 | ||
|                     file;
 | ||
|     
 | ||
|                 for ( ; i < len; i++ ) {
 | ||
|                     file = this._queue[ i ];
 | ||
|     
 | ||
|                     if ( sts.length && !~$.inArray( file.getStatus(), sts ) ) {
 | ||
|                         continue;
 | ||
|                     }
 | ||
|     
 | ||
|                     ret.push( file );
 | ||
|                 }
 | ||
|     
 | ||
|                 return ret;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 在队列中删除文件。
 | ||
|              * @grammar removeFile( file ) => Array
 | ||
|              * @method removeFile
 | ||
|              * @param {File} 文件对象。
 | ||
|              */
 | ||
|             removeFile: function( file ) {
 | ||
|                 var me = this,
 | ||
|                     existing = this._map[ file.id ];
 | ||
|     
 | ||
|                 if ( existing ) {
 | ||
|                     delete this._map[ file.id ];
 | ||
|                     file.destroy();
 | ||
|                     this.stats.numofDeleted++;
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             _fileAdded: function( file ) {
 | ||
|                 var me = this,
 | ||
|                     existing = this._map[ file.id ];
 | ||
|     
 | ||
|                 if ( !existing ) {
 | ||
|                     this._map[ file.id ] = file;
 | ||
|     
 | ||
|                     file.on( 'statuschange', function( cur, pre ) {
 | ||
|                         me._onFileStatusChange( cur, pre );
 | ||
|                     });
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             _onFileStatusChange: function( curStatus, preStatus ) {
 | ||
|                 var stats = this.stats;
 | ||
|     
 | ||
|                 switch ( preStatus ) {
 | ||
|                     case STATUS.PROGRESS:
 | ||
|                         stats.numOfProgress--;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.QUEUED:
 | ||
|                         stats.numOfQueue --;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.ERROR:
 | ||
|                         stats.numOfUploadFailed--;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.INVALID:
 | ||
|                         stats.numOfInvalid--;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.INTERRUPT:
 | ||
|                         stats.numofInterrupt--;
 | ||
|                         break;
 | ||
|                 }
 | ||
|     
 | ||
|                 switch ( curStatus ) {
 | ||
|                     case STATUS.QUEUED:
 | ||
|                         stats.numOfQueue++;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.PROGRESS:
 | ||
|                         stats.numOfProgress++;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.ERROR:
 | ||
|                         stats.numOfUploadFailed++;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.COMPLETE:
 | ||
|                         stats.numOfSuccess++;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.CANCELLED:
 | ||
|                         stats.numOfCancel++;
 | ||
|                         break;
 | ||
|     
 | ||
|     
 | ||
|                     case STATUS.INVALID:
 | ||
|                         stats.numOfInvalid++;
 | ||
|                         break;
 | ||
|     
 | ||
|                     case STATUS.INTERRUPT:
 | ||
|                         stats.numofInterrupt++;
 | ||
|                         break;
 | ||
|                 }
 | ||
|             }
 | ||
|     
 | ||
|         });
 | ||
|     
 | ||
|         Mediator.installTo( Queue.prototype );
 | ||
|     
 | ||
|         return Queue;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 队列
 | ||
|      */
 | ||
|     define('widgets/queue',[
 | ||
|         'base',
 | ||
|         'uploader',
 | ||
|         'queue',
 | ||
|         'file',
 | ||
|         'lib/file',
 | ||
|         'runtime/client',
 | ||
|         'widgets/widget'
 | ||
|     ], function( Base, Uploader, Queue, WUFile, File, RuntimeClient ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             rExt = /\.\w+$/,
 | ||
|             Status = WUFile.Status;
 | ||
|     
 | ||
|         return Uploader.register({
 | ||
|             name: 'queue',
 | ||
|     
 | ||
|             init: function( opts ) {
 | ||
|                 var me = this,
 | ||
|                     deferred, len, i, item, arr, accept, runtime;
 | ||
|     
 | ||
|                 if ( $.isPlainObject( opts.accept ) ) {
 | ||
|                     opts.accept = [ opts.accept ];
 | ||
|                 }
 | ||
|     
 | ||
|                 // accept中的中生成匹配正则。
 | ||
|                 if ( opts.accept ) {
 | ||
|                     arr = [];
 | ||
|     
 | ||
|                     for ( i = 0, len = opts.accept.length; i < len; i++ ) {
 | ||
|                         item = opts.accept[ i ].extensions;
 | ||
|                         item && arr.push( item );
 | ||
|                     }
 | ||
|     
 | ||
|                     if ( arr.length ) {
 | ||
|                         accept = '\\.' + arr.join(',')
 | ||
|                                 .replace( /,/g, '$|\\.' )
 | ||
|                                 .replace( /\*/g, '.*' ) + '$';
 | ||
|                     }
 | ||
|     
 | ||
|                     me.accept = new RegExp( accept, 'i' );
 | ||
|                 }
 | ||
|     
 | ||
|                 me.queue = new Queue();
 | ||
|                 me.stats = me.queue.stats;
 | ||
|     
 | ||
|                 // 如果当前不是html5运行时,那就算了。
 | ||
|                 // 不执行后续操作
 | ||
|                 if ( this.request('predict-runtime-type') !== 'html5' ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 // 创建一个 html5 运行时的 placeholder
 | ||
|                 // 以至于外部添加原生 File 对象的时候能正确包裹一下供 webuploader 使用。
 | ||
|                 deferred = Base.Deferred();
 | ||
|                 this.placeholder = runtime = new RuntimeClient('Placeholder');
 | ||
|                 runtime.connectRuntime({
 | ||
|                     runtimeOrder: 'html5'
 | ||
|                 }, function() {
 | ||
|                     me._ruid = runtime.getRuid();
 | ||
|                     deferred.resolve();
 | ||
|                 });
 | ||
|                 return deferred.promise();
 | ||
|             },
 | ||
|     
 | ||
|     
 | ||
|             // 为了支持外部直接添加一个原生File对象。
 | ||
|             _wrapFile: function( file ) {
 | ||
|                 if ( !(file instanceof WUFile) ) {
 | ||
|     
 | ||
|                     if ( !(file instanceof File) ) {
 | ||
|                         if ( !this._ruid ) {
 | ||
|                             throw new Error('Can\'t add external files.');
 | ||
|                         }
 | ||
|                         file = new File( this._ruid, file );
 | ||
|                     }
 | ||
|     
 | ||
|                     file = new WUFile( file );
 | ||
|                 }
 | ||
|     
 | ||
|                 return file;
 | ||
|             },
 | ||
|     
 | ||
|             // 判断文件是否可以被加入队列
 | ||
|             acceptFile: function( file ) {
 | ||
|                 var invalid = !file || !file.size || this.accept &&
 | ||
|     
 | ||
|                         // 如果名字中有后缀,才做后缀白名单处理。
 | ||
|                         rExt.exec( file.name ) && !this.accept.test( file.name );
 | ||
|     
 | ||
|                 return !invalid;
 | ||
|             },
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * @event beforeFileQueued
 | ||
|              * @param {File} file File对象
 | ||
|              * @description 当文件被加入队列之前触发,此事件的handler返回值为`false`,则此文件不会被添加进入队列。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @event fileQueued
 | ||
|              * @param {File} file File对象
 | ||
|              * @description 当文件被加入队列以后触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             _addFile: function( file ) {
 | ||
|                 var me = this;
 | ||
|     
 | ||
|                 file = me._wrapFile( file );
 | ||
|     
 | ||
|                 // 不过类型判断允许不允许,先派送 `beforeFileQueued`
 | ||
|                 if ( !me.owner.trigger( 'beforeFileQueued', file ) ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 // 类型不匹配,则派送错误事件,并返回。
 | ||
|                 if ( !me.acceptFile( file ) ) {
 | ||
|                     me.owner.trigger( 'error', 'Q_TYPE_DENIED', file );
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 me.queue.append( file );
 | ||
|                 me.owner.trigger( 'fileQueued', file );
 | ||
|                 return file;
 | ||
|             },
 | ||
|     
 | ||
|             getFile: function( fileId ) {
 | ||
|                 return this.queue.getFile( fileId );
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @event filesQueued
 | ||
|              * @param {File} files 数组,内容为原始File(lib/File)对象。
 | ||
|              * @description 当一批文件添加进队列以后触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             
 | ||
|             /**
 | ||
|              * @property {Boolean} [auto=false]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 设置为 true 后,不需要手动调用上传,有文件选择即开始上传。
 | ||
|              * 
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @method addFiles
 | ||
|              * @grammar addFiles( file ) => undefined
 | ||
|              * @grammar addFiles( [file1, file2 ...] ) => undefined
 | ||
|              * @param {Array of File or File} [files] Files 对象 数组
 | ||
|              * @description 添加文件到队列
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             addFile: function( files ) {
 | ||
|                 var me = this;
 | ||
|     
 | ||
|                 if ( !files.length ) {
 | ||
|                     files = [ files ];
 | ||
|                 }
 | ||
|     
 | ||
|                 files = $.map( files, function( file ) {
 | ||
|                     return me._addFile( file );
 | ||
|                 });
 | ||
|     			
 | ||
|     			if ( files.length ) {
 | ||
|     
 | ||
|                     me.owner.trigger( 'filesQueued', files );
 | ||
|     
 | ||
|     				if ( me.options.auto ) {
 | ||
|     					setTimeout(function() {
 | ||
|     						me.request('start-upload');
 | ||
|     					}, 20 );
 | ||
|     				}
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             getStats: function() {
 | ||
|                 return this.stats;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @event fileDequeued
 | ||
|              * @param {File} file File对象
 | ||
|              * @description 当文件被移除队列后触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|              /**
 | ||
|              * @method removeFile
 | ||
|              * @grammar removeFile( file ) => undefined
 | ||
|              * @grammar removeFile( id ) => undefined
 | ||
|              * @grammar removeFile( file, true ) => undefined
 | ||
|              * @grammar removeFile( id, true ) => undefined
 | ||
|              * @param {File|id} file File对象或这File对象的id
 | ||
|              * @description 移除某一文件, 默认只会标记文件状态为已取消,如果第二个参数为 `true` 则会从 queue 中移除。
 | ||
|              * @for  Uploader
 | ||
|              * @example
 | ||
|              *
 | ||
|              * $li.on('click', '.remove-this', function() {
 | ||
|              *     uploader.removeFile( file );
 | ||
|              * })
 | ||
|              */
 | ||
|             removeFile: function( file, remove ) {
 | ||
|                 var me = this;
 | ||
|     
 | ||
|                 file = file.id ? file : me.queue.getFile( file );
 | ||
|     
 | ||
|                 this.request( 'cancel-file', file );
 | ||
|     
 | ||
|                 if ( remove ) {
 | ||
|                     this.queue.removeFile( file );
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @method getFiles
 | ||
|              * @grammar getFiles() => Array
 | ||
|              * @grammar getFiles( status1, status2, status... ) => Array
 | ||
|              * @description 返回指定状态的文件集合,不传参数将返回所有状态的文件。
 | ||
|              * @for  Uploader
 | ||
|              * @example
 | ||
|              * console.log( uploader.getFiles() );    // => all files
 | ||
|              * console.log( uploader.getFiles('error') )    // => all error files.
 | ||
|              */
 | ||
|             getFiles: function() {
 | ||
|                 return this.queue.getFiles.apply( this.queue, arguments );
 | ||
|             },
 | ||
|     
 | ||
|             fetchFile: function() {
 | ||
|                 return this.queue.fetch.apply( this.queue, arguments );
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @method retry
 | ||
|              * @grammar retry() => undefined
 | ||
|              * @grammar retry( file ) => undefined
 | ||
|              * @description 重试上传,重试指定文件,或者从出错的文件开始重新上传。
 | ||
|              * @for  Uploader
 | ||
|              * @example
 | ||
|              * function retry() {
 | ||
|              *     uploader.retry();
 | ||
|              * }
 | ||
|              */
 | ||
|             retry: function( file, noForceStart ) {
 | ||
|                 var me = this,
 | ||
|                     files, i, len;
 | ||
|     
 | ||
|                 if ( file ) {
 | ||
|                     file = file.id ? file : me.queue.getFile( file );
 | ||
|                     file.setStatus( Status.QUEUED );
 | ||
|                     noForceStart || me.request('start-upload');
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 files = me.queue.getFiles( Status.ERROR );
 | ||
|                 i = 0;
 | ||
|                 len = files.length;
 | ||
|     
 | ||
|                 for ( ; i < len; i++ ) {
 | ||
|                     file = files[ i ];
 | ||
|                     file.setStatus( Status.QUEUED );
 | ||
|                 }
 | ||
|     
 | ||
|                 me.request('start-upload');
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @method sort
 | ||
|              * @grammar sort( fn ) => undefined
 | ||
|              * @description 排序队列中的文件,在上传之前调整可以控制上传顺序。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             sortFiles: function() {
 | ||
|                 return this.queue.sort.apply( this.queue, arguments );
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @event reset
 | ||
|              * @description 当 uploader 被重置的时候触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @method reset
 | ||
|              * @grammar reset() => undefined
 | ||
|              * @description 重置uploader。目前只重置了队列。
 | ||
|              * @for  Uploader
 | ||
|              * @example
 | ||
|              * uploader.reset();
 | ||
|              */
 | ||
|             reset: function() {
 | ||
|                 this.owner.trigger('reset');
 | ||
|                 this.queue = new Queue();
 | ||
|                 this.stats = this.queue.stats;
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 this.reset();
 | ||
|                 this.placeholder && this.placeholder.destroy();
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 添加获取Runtime相关信息的方法。
 | ||
|      */
 | ||
|     define('widgets/runtime',[
 | ||
|         'uploader',
 | ||
|         'runtime/runtime',
 | ||
|         'widgets/widget'
 | ||
|     ], function( Uploader, Runtime ) {
 | ||
|     
 | ||
|         Uploader.support = function() {
 | ||
|             return Runtime.hasRuntime.apply( Runtime, arguments );
 | ||
|         };
 | ||
|     
 | ||
|         /**
 | ||
|          * @property {Object} [runtimeOrder=html5,flash]
 | ||
|          * @namespace options
 | ||
|          * @for Uploader
 | ||
|          * @description 指定运行时启动顺序。默认会想尝试 html5 是否支持,如果支持则使用 html5, 否则则使用 flash.
 | ||
|          *
 | ||
|          * 可以将此值设置成 `flash`,来强制使用 flash 运行时。
 | ||
|          */
 | ||
|     
 | ||
|         return Uploader.register({
 | ||
|             name: 'runtime',
 | ||
|     
 | ||
|             init: function() {
 | ||
|                 if ( !this.predictRuntimeType() ) {
 | ||
|                     throw Error('Runtime Error');
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 预测Uploader将采用哪个`Runtime`
 | ||
|              * @grammar predictRuntimeType() => String
 | ||
|              * @method predictRuntimeType
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             predictRuntimeType: function() {
 | ||
|                 var orders = this.options.runtimeOrder || Runtime.orders,
 | ||
|                     type = this.type,
 | ||
|                     i, len;
 | ||
|     
 | ||
|                 if ( !type ) {
 | ||
|                     orders = orders.split( /\s*,\s*/g );
 | ||
|     
 | ||
|                     for ( i = 0, len = orders.length; i < len; i++ ) {
 | ||
|                         if ( Runtime.hasRuntime( orders[ i ] ) ) {
 | ||
|                             this.type = type = orders[ i ];
 | ||
|                             break;
 | ||
|                         }
 | ||
|                     }
 | ||
|                 }
 | ||
|     
 | ||
|                 return type;
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Transport
 | ||
|      */
 | ||
|     define('lib/transport',[
 | ||
|         'base',
 | ||
|         'runtime/client',
 | ||
|         'mediator'
 | ||
|     ], function( Base, RuntimeClient, Mediator ) {
 | ||
|     
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         function Transport( opts ) {
 | ||
|             var me = this;
 | ||
|     
 | ||
|             opts = me.options = $.extend( true, {}, Transport.options, opts || {} );
 | ||
|             RuntimeClient.call( this, 'Transport' );
 | ||
|     
 | ||
|             this._blob = null;
 | ||
|             this._formData = opts.formData || {};
 | ||
|             this._headers = opts.headers || {};
 | ||
|     
 | ||
|             this.on( 'progress', this._timeout );
 | ||
|             this.on( 'load error', function() {
 | ||
|                 me.trigger( 'progress', 1 );
 | ||
|                 clearTimeout( me._timer );
 | ||
|             });
 | ||
|         }
 | ||
|     
 | ||
|         Transport.options = {
 | ||
|             server: '',
 | ||
|             method: 'POST',
 | ||
|     
 | ||
|             // 跨域时,是否允许携带cookie, 只有html5 runtime才有效
 | ||
|             withCredentials: false,
 | ||
|             fileVal: 'file',
 | ||
|             timeout: 2 * 60 * 1000,    // 2分钟
 | ||
|             formData: {},
 | ||
|             headers: {},
 | ||
|             sendAsBinary: false
 | ||
|         };
 | ||
|     
 | ||
|         $.extend( Transport.prototype, {
 | ||
|     
 | ||
|             // 添加Blob, 只能添加一次,最后一次有效。
 | ||
|             appendBlob: function( key, blob, filename ) {
 | ||
|                 var me = this,
 | ||
|                     opts = me.options;
 | ||
|     
 | ||
|                 if ( me.getRuid() ) {
 | ||
|                     me.disconnectRuntime();
 | ||
|                 }
 | ||
|     
 | ||
|                 // 连接到blob归属的同一个runtime.
 | ||
|                 me.connectRuntime( blob.ruid, function() {
 | ||
|                     me.exec('init');
 | ||
|                 });
 | ||
|     
 | ||
|                 me._blob = blob;
 | ||
|                 opts.fileVal = key || opts.fileVal;
 | ||
|                 opts.filename = filename || opts.filename;
 | ||
|             },
 | ||
|     
 | ||
|             // 添加其他字段
 | ||
|             append: function( key, value ) {
 | ||
|                 if ( typeof key === 'object' ) {
 | ||
|                     $.extend( this._formData, key );
 | ||
|                 } else {
 | ||
|                     this._formData[ key ] = value;
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             setRequestHeader: function( key, value ) {
 | ||
|                 if ( typeof key === 'object' ) {
 | ||
|                     $.extend( this._headers, key );
 | ||
|                 } else {
 | ||
|                     this._headers[ key ] = value;
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             send: function( method ) {
 | ||
|                 this.exec( 'send', method );
 | ||
|                 this._timeout();
 | ||
|             },
 | ||
|     
 | ||
|             abort: function() {
 | ||
|                 clearTimeout( this._timer );
 | ||
|                 return this.exec('abort');
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 this.trigger('destroy');
 | ||
|                 this.off();
 | ||
|                 this.exec('destroy');
 | ||
|                 this.disconnectRuntime();
 | ||
|             },
 | ||
|     
 | ||
|             getResponse: function() {
 | ||
|                 return this.exec('getResponse');
 | ||
|             },
 | ||
|     
 | ||
|             getResponseAsJson: function() {
 | ||
|                 return this.exec('getResponseAsJson');
 | ||
|             },
 | ||
|     
 | ||
|             getStatus: function() {
 | ||
|                 return this.exec('getStatus');
 | ||
|             },
 | ||
|     
 | ||
|             _timeout: function() {
 | ||
|                 var me = this,
 | ||
|                     duration = me.options.timeout;
 | ||
|     
 | ||
|                 if ( !duration ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 clearTimeout( me._timer );
 | ||
|                 me._timer = setTimeout(function() {
 | ||
|                     me.abort();
 | ||
|                     me.trigger( 'error', 'timeout' );
 | ||
|                 }, duration );
 | ||
|             }
 | ||
|     
 | ||
|         });
 | ||
|     
 | ||
|         // 让Transport具备事件功能。
 | ||
|         Mediator.installTo( Transport.prototype );
 | ||
|     
 | ||
|         return Transport;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 负责文件上传相关。
 | ||
|      */
 | ||
|     define('widgets/upload',[
 | ||
|         'base',
 | ||
|         'uploader',
 | ||
|         'file',
 | ||
|         'lib/transport',
 | ||
|         'widgets/widget'
 | ||
|     ], function( Base, Uploader, WUFile, Transport ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             isPromise = Base.isPromise,
 | ||
|             Status = WUFile.Status;
 | ||
|     
 | ||
|         // 添加默认配置项
 | ||
|         $.extend( Uploader.options, {
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Boolean} [prepareNextFile=false]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 是否允许在文件传输时提前把下一个文件准备好。
 | ||
|              * 对于一个文件的准备工作比较耗时,比如图片压缩,md5序列化。
 | ||
|              * 如果能提前在当前文件传输期处理,可以节省总体耗时。
 | ||
|              */
 | ||
|             prepareNextFile: false,
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Boolean} [chunked=false]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 是否要分片处理大文件上传。
 | ||
|              */
 | ||
|             chunked: false,
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Boolean} [chunkSize=5242880]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 如果要分片,分多大一片? 默认大小为5M.
 | ||
|              */
 | ||
|             chunkSize: 5 * 1024 * 1024,
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Boolean} [chunkRetry=2]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 如果某个分片由于网络问题出错,允许自动重传多少次?
 | ||
|              */
 | ||
|             chunkRetry: 2,
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Boolean} [threads=3]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 上传并发数。允许同时最大上传进程数。
 | ||
|              */
 | ||
|             threads: 3,
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Object} [formData={}]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 文件上传请求的参数表,每次发送都会发送此对象中的参数。
 | ||
|              */
 | ||
|             formData: {}
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Object} [fileVal='file']
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 设置文件上传域的name。
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @property {Object} [sendAsBinary=false]
 | ||
|              * @namespace options
 | ||
|              * @for Uploader
 | ||
|              * @description 是否已二进制的流的方式发送文件,这样整个上传内容`php://input`都为文件内容,
 | ||
|              * 其他参数在$_GET数组中。
 | ||
|              */
 | ||
|         });
 | ||
|     
 | ||
|         // 负责将文件切片。
 | ||
|         function CuteFile( file, chunkSize ) {
 | ||
|             var pending = [],
 | ||
|                 blob = file.source,
 | ||
|                 total = blob.size,
 | ||
|                 chunks = chunkSize ? Math.ceil( total / chunkSize ) : 1,
 | ||
|                 start = 0,
 | ||
|                 index = 0,
 | ||
|                 len, api;
 | ||
|     
 | ||
|             api = {
 | ||
|                 file: file,
 | ||
|     
 | ||
|                 has: function() {
 | ||
|                     return !!pending.length;
 | ||
|                 },
 | ||
|     
 | ||
|                 shift: function() {
 | ||
|                     return pending.shift();
 | ||
|                 },
 | ||
|     
 | ||
|                 unshift: function( block ) {
 | ||
|                     pending.unshift( block );
 | ||
|                 }
 | ||
|             };
 | ||
|     
 | ||
|             while ( index < chunks ) {
 | ||
|                 len = Math.min( chunkSize, total - start );
 | ||
|     
 | ||
|                 pending.push({
 | ||
|                     file: file,
 | ||
|                     start: start,
 | ||
|                     end: chunkSize ? (start + len) : total,
 | ||
|                     total: total,
 | ||
|                     chunks: chunks,
 | ||
|                     chunk: index++,
 | ||
|                     cuted: api
 | ||
|                 });
 | ||
|                 start += len;
 | ||
|             }
 | ||
|     
 | ||
|             file.blocks = pending.concat();
 | ||
|             file.remaning = pending.length;
 | ||
|     
 | ||
|             return api;
 | ||
|         }
 | ||
|     
 | ||
|         Uploader.register({
 | ||
|             name: 'upload',
 | ||
|     
 | ||
|             init: function() {
 | ||
|                 var owner = this.owner,
 | ||
|                     me = this;
 | ||
|     
 | ||
|                 this.runing = false;
 | ||
|                 this.progress = false;
 | ||
|     
 | ||
|                 owner
 | ||
|                     .on( 'startUpload', function() {
 | ||
|                         me.progress = true;
 | ||
|                     })
 | ||
|                     .on( 'uploadFinished', function() {
 | ||
|                         me.progress = false;
 | ||
|                     });
 | ||
|     
 | ||
|                 // 记录当前正在传的数据,跟threads相关
 | ||
|                 this.pool = [];
 | ||
|     
 | ||
|                 // 缓存分好片的文件。
 | ||
|                 this.stack = [];
 | ||
|     
 | ||
|                 // 缓存即将上传的文件。
 | ||
|                 this.pending = [];
 | ||
|     
 | ||
|                 // 跟踪还有多少分片在上传中但是没有完成上传。
 | ||
|                 this.remaning = 0;
 | ||
|                 this.__tick = Base.bindFn( this._tick, this );
 | ||
|     
 | ||
|                 // 销毁上传相关的属性。
 | ||
|                 owner.on( 'uploadComplete', function( file ) {
 | ||
|     
 | ||
|                     // 把其他块取消了。
 | ||
|                     file.blocks && $.each( file.blocks, function( _, v ) {
 | ||
|                         v.transport && (v.transport.abort(), v.transport.destroy());
 | ||
|                         delete v.transport;
 | ||
|                     });
 | ||
|     
 | ||
|                     delete file.blocks;
 | ||
|                     delete file.remaning;
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|             reset: function() {
 | ||
|                 this.request( 'stop-upload', true );
 | ||
|                 this.runing = false;
 | ||
|                 this.pool = [];
 | ||
|                 this.stack = [];
 | ||
|                 this.pending = [];
 | ||
|                 this.remaning = 0;
 | ||
|                 this._trigged = false;
 | ||
|                 this._promise = null;
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @event startUpload
 | ||
|              * @description 当开始上传流程时触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * 开始上传。此方法可以从初始状态调用开始上传流程,也可以从暂停状态调用,继续上传流程。
 | ||
|              *
 | ||
|              * 可以指定开始某一个文件。
 | ||
|              * @grammar upload() => undefined
 | ||
|              * @grammar upload( file | fileId) => undefined
 | ||
|              * @method upload
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             startUpload: function(file) {
 | ||
|                 var me = this;
 | ||
|     
 | ||
|                 // 移出invalid的文件
 | ||
|                 $.each( me.request( 'get-files', Status.INVALID ), function() {
 | ||
|                     me.request( 'remove-file', this );
 | ||
|                 });
 | ||
|     
 | ||
|                 // 如果指定了开始某个文件,则只开始指定的文件。
 | ||
|                 if ( file ) {
 | ||
|                     file = file.id ? file : me.request( 'get-file', file );
 | ||
|     
 | ||
|                     if (file.getStatus() === Status.INTERRUPT) {
 | ||
|                         file.setStatus( Status.QUEUED );
 | ||
|     
 | ||
|                         $.each( me.pool, function( _, v ) {
 | ||
|     
 | ||
|                             // 之前暂停过。
 | ||
|                             if (v.file !== file) {
 | ||
|                                 return;
 | ||
|                             }
 | ||
|     
 | ||
|                             v.transport && v.transport.send();
 | ||
|                             file.setStatus( Status.PROGRESS );
 | ||
|                         });
 | ||
|     
 | ||
|                         
 | ||
|                     } else if (file.getStatus() !== Status.PROGRESS) {
 | ||
|                         file.setStatus( Status.QUEUED );
 | ||
|                     }
 | ||
|                 } else {
 | ||
|                     $.each( me.request( 'get-files', [ Status.INITED ] ), function() {
 | ||
|                         this.setStatus( Status.QUEUED );
 | ||
|                     });
 | ||
|                 }
 | ||
|     
 | ||
|                 if ( me.runing ) {
 | ||
|                     return Base.nextTick( me.__tick );
 | ||
|                 }
 | ||
|     
 | ||
|                 me.runing = true;
 | ||
|                 var files = [];
 | ||
|     
 | ||
|                 // 如果有暂停的,则续传
 | ||
|                 file || $.each( me.pool, function( _, v ) {
 | ||
|                     var file = v.file;
 | ||
|     
 | ||
|                     if ( file.getStatus() === Status.INTERRUPT ) {
 | ||
|                         me._trigged = false;
 | ||
|                         files.push(file);
 | ||
|                         v.transport && v.transport.send();
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 $.each(files, function() {
 | ||
|                     this.setStatus( Status.PROGRESS );
 | ||
|                 });
 | ||
|     
 | ||
|                 file || $.each( me.request( 'get-files',
 | ||
|                         Status.INTERRUPT ), function() {
 | ||
|                     this.setStatus( Status.PROGRESS );
 | ||
|                 });
 | ||
|     
 | ||
|                 me._trigged = false;
 | ||
|                 Base.nextTick( me.__tick );
 | ||
|                 me.owner.trigger('startUpload');
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @event stopUpload
 | ||
|              * @description 当开始上传流程暂停时触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * 暂停上传。第一个参数为是否中断上传当前正在上传的文件。
 | ||
|              *
 | ||
|              * 如果第一个参数是文件,则只暂停指定文件。
 | ||
|              * @grammar stop() => undefined
 | ||
|              * @grammar stop( true ) => undefined
 | ||
|              * @grammar stop( file ) => undefined
 | ||
|              * @method stop
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             stopUpload: function( file, interrupt ) {
 | ||
|                 var me = this,
 | ||
|                     block;
 | ||
|     
 | ||
|                 if (file === true) {
 | ||
|                     interrupt = file;
 | ||
|                     file = null;
 | ||
|                 }
 | ||
|     
 | ||
|                 if ( me.runing === false ) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 // 如果只是暂停某个文件。
 | ||
|                 if ( file ) {
 | ||
|                     file = file.id ? file : me.request( 'get-file', file );
 | ||
|     
 | ||
|                     if ( file.getStatus() !== Status.PROGRESS &&
 | ||
|                             file.getStatus() !== Status.QUEUED ) {
 | ||
|                         return;
 | ||
|                     }
 | ||
|     
 | ||
|                     file.setStatus( Status.INTERRUPT );
 | ||
|     
 | ||
|     
 | ||
|                     $.each( me.pool, function( _, v ) {
 | ||
|     
 | ||
|                         // 只 abort 指定的文件。
 | ||
|                         if (v.file === file) {
 | ||
|                             block = v;
 | ||
|                             return false;
 | ||
|                         }
 | ||
|                     });
 | ||
|     
 | ||
|                     block.transport && block.transport.abort();
 | ||
|     
 | ||
|                     if (interrupt) {
 | ||
|                         me._putback(block);
 | ||
|                         me._popBlock(block);
 | ||
|                     }
 | ||
|     
 | ||
|                     return Base.nextTick( me.__tick );
 | ||
|                 }
 | ||
|     
 | ||
|                 me.runing = false;
 | ||
|     
 | ||
|                 // 正在准备中的文件。
 | ||
|                 if (this._promise && this._promise.file) {
 | ||
|                     this._promise.file.setStatus( Status.INTERRUPT );
 | ||
|                 }
 | ||
|     
 | ||
|                 interrupt && $.each( me.pool, function( _, v ) {
 | ||
|                     v.transport && v.transport.abort();
 | ||
|                     v.file.setStatus( Status.INTERRUPT );
 | ||
|                 });
 | ||
|     
 | ||
|                 me.owner.trigger('stopUpload');
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @method cancelFile
 | ||
|              * @grammar cancelFile( file ) => undefined
 | ||
|              * @grammar cancelFile( id ) => undefined
 | ||
|              * @param {File|id} file File对象或这File对象的id
 | ||
|              * @description 标记文件状态为已取消, 同时将中断文件传输。
 | ||
|              * @for  Uploader
 | ||
|              * @example
 | ||
|              *
 | ||
|              * $li.on('click', '.remove-this', function() {
 | ||
|              *     uploader.cancelFile( file );
 | ||
|              * })
 | ||
|              */
 | ||
|             cancelFile: function( file ) {
 | ||
|                 file = file.id ? file : this.request( 'get-file', file );
 | ||
|     
 | ||
|                 // 如果正在上传。
 | ||
|                 file.blocks && $.each( file.blocks, function( _, v ) {
 | ||
|                     var _tr = v.transport;
 | ||
|     
 | ||
|                     if ( _tr ) {
 | ||
|                         _tr.abort();
 | ||
|                         _tr.destroy();
 | ||
|                         delete v.transport;
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 file.setStatus( Status.CANCELLED );
 | ||
|                 this.owner.trigger( 'fileDequeued', file );
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 判断`Uplaode`r是否正在上传中。
 | ||
|              * @grammar isInProgress() => Boolean
 | ||
|              * @method isInProgress
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             isInProgress: function() {
 | ||
|                 return !!this.progress;
 | ||
|             },
 | ||
|     
 | ||
|             _getStats: function() {
 | ||
|                 return this.request('get-stats');
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * 掉过一个文件上传,直接标记指定文件为已上传状态。
 | ||
|              * @grammar skipFile( file ) => undefined
 | ||
|              * @method skipFile
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             skipFile: function( file, status ) {
 | ||
|                 file = file.id ? file : this.request( 'get-file', file );
 | ||
|     
 | ||
|                 file.setStatus( status || Status.COMPLETE );
 | ||
|                 file.skipped = true;
 | ||
|     
 | ||
|                 // 如果正在上传。
 | ||
|                 file.blocks && $.each( file.blocks, function( _, v ) {
 | ||
|                     var _tr = v.transport;
 | ||
|     
 | ||
|                     if ( _tr ) {
 | ||
|                         _tr.abort();
 | ||
|                         _tr.destroy();
 | ||
|                         delete v.transport;
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 this.owner.trigger( 'uploadSkip', file );
 | ||
|             },
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadFinished
 | ||
|              * @description 当所有文件上传结束时触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             _tick: function() {
 | ||
|                 var me = this,
 | ||
|                     opts = me.options,
 | ||
|                     fn, val;
 | ||
|     
 | ||
|                 // 上一个promise还没有结束,则等待完成后再执行。
 | ||
|                 if ( me._promise ) {
 | ||
|                     return me._promise.always( me.__tick );
 | ||
|                 }
 | ||
|     
 | ||
|                 // 还有位置,且还有文件要处理的话。
 | ||
|                 if ( me.pool.length < opts.threads && (val = me._nextBlock()) ) {
 | ||
|                     me._trigged = false;
 | ||
|     
 | ||
|                     fn = function( val ) {
 | ||
|                         me._promise = null;
 | ||
|     
 | ||
|                         // 有可能是reject过来的,所以要检测val的类型。
 | ||
|                         val && val.file && me._startSend( val );
 | ||
|                         Base.nextTick( me.__tick );
 | ||
|                     };
 | ||
|     
 | ||
|                     me._promise = isPromise( val ) ? val.always( fn ) : fn( val );
 | ||
|     
 | ||
|                 // 没有要上传的了,且没有正在传输的了。
 | ||
|                 } else if ( !me.remaning && !me._getStats().numOfQueue &&
 | ||
|                     !me._getStats().numofInterrupt ) {
 | ||
|                     me.runing = false;
 | ||
|     
 | ||
|                     me._trigged || Base.nextTick(function() {
 | ||
|                         me.owner.trigger('uploadFinished');
 | ||
|                     });
 | ||
|                     me._trigged = true;
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             _putback: function(block) {
 | ||
|                 var idx;
 | ||
|     
 | ||
|                 block.cuted.unshift(block);
 | ||
|                 idx = this.stack.indexOf(block.cuted);
 | ||
|     
 | ||
|                 if (!~idx) {
 | ||
|                     this.stack.unshift(block.cuted);
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             _getStack: function() {
 | ||
|                 var i = 0,
 | ||
|                     act;
 | ||
|     
 | ||
|                 while ( (act = this.stack[ i++ ]) ) {
 | ||
|                     if ( act.has() && act.file.getStatus() === Status.PROGRESS ) {
 | ||
|                         return act;
 | ||
|                     } else if (!act.has() ||
 | ||
|                             act.file.getStatus() !== Status.PROGRESS &&
 | ||
|                             act.file.getStatus() !== Status.INTERRUPT ) {
 | ||
|     
 | ||
|                         // 把已经处理完了的,或者,状态为非 progress(上传中)、
 | ||
|                         // interupt(暂停中) 的移除。
 | ||
|                         this.stack.splice( --i, 1 );
 | ||
|                     }
 | ||
|                 }
 | ||
|     
 | ||
|                 return null;
 | ||
|             },
 | ||
|     
 | ||
|             _nextBlock: function() {
 | ||
|                 var me = this,
 | ||
|                     opts = me.options,
 | ||
|                     act, next, done, preparing;
 | ||
|     
 | ||
|                 // 如果当前文件还有没有需要传输的,则直接返回剩下的。
 | ||
|                 if ( (act = this._getStack()) ) {
 | ||
|     
 | ||
|                     // 是否提前准备下一个文件
 | ||
|                     if ( opts.prepareNextFile && !me.pending.length ) {
 | ||
|                         me._prepareNextFile();
 | ||
|                     }
 | ||
|     
 | ||
|                     return act.shift();
 | ||
|     
 | ||
|                 // 否则,如果正在运行,则准备下一个文件,并等待完成后返回下个分片。
 | ||
|                 } else if ( me.runing ) {
 | ||
|     
 | ||
|                     // 如果缓存中有,则直接在缓存中取,没有则去queue中取。
 | ||
|                     if ( !me.pending.length && me._getStats().numOfQueue ) {
 | ||
|                         me._prepareNextFile();
 | ||
|                     }
 | ||
|     
 | ||
|                     next = me.pending.shift();
 | ||
|                     done = function( file ) {
 | ||
|                         if ( !file ) {
 | ||
|                             return null;
 | ||
|                         }
 | ||
|     
 | ||
|                         act = CuteFile( file, opts.chunked ? opts.chunkSize : 0 );
 | ||
|                         me.stack.push(act);
 | ||
|                         return act.shift();
 | ||
|                     };
 | ||
|     
 | ||
|                     // 文件可能还在prepare中,也有可能已经完全准备好了。
 | ||
|                     if ( isPromise( next) ) {
 | ||
|                         preparing = next.file;
 | ||
|                         next = next[ next.pipe ? 'pipe' : 'then' ]( done );
 | ||
|                         next.file = preparing;
 | ||
|                         return next;
 | ||
|                     }
 | ||
|     
 | ||
|                     return done( next );
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadStart
 | ||
|              * @param {File} file File对象
 | ||
|              * @description 某个文件开始上传前触发,一个文件只会触发一次。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|             _prepareNextFile: function() {
 | ||
|                 var me = this,
 | ||
|                     file = me.request('fetch-file'),
 | ||
|                     pending = me.pending,
 | ||
|                     promise;
 | ||
|     
 | ||
|                 if ( file ) {
 | ||
|                     promise = me.request( 'before-send-file', file, function() {
 | ||
|     
 | ||
|                         // 有可能文件被skip掉了。文件被skip掉后,状态坑定不是Queued.
 | ||
|                         if ( file.getStatus() === Status.PROGRESS ||
 | ||
|                             file.getStatus() === Status.INTERRUPT ) {
 | ||
|                             return file;
 | ||
|                         }
 | ||
|     
 | ||
|                         return me._finishFile( file );
 | ||
|                     });
 | ||
|     
 | ||
|                     me.owner.trigger( 'uploadStart', file );
 | ||
|                     file.setStatus( Status.PROGRESS );
 | ||
|     
 | ||
|                     promise.file = file;
 | ||
|     
 | ||
|                     // 如果还在pending中,则替换成文件本身。
 | ||
|                     promise.done(function() {
 | ||
|                         var idx = $.inArray( promise, pending );
 | ||
|     
 | ||
|                         ~idx && pending.splice( idx, 1, file );
 | ||
|                     });
 | ||
|     
 | ||
|                     // befeore-send-file的钩子就有错误发生。
 | ||
|                     promise.fail(function( reason ) {
 | ||
|                         file.setStatus( Status.ERROR, reason );
 | ||
|                         me.owner.trigger( 'uploadError', file, reason );
 | ||
|                         me.owner.trigger( 'uploadComplete', file );
 | ||
|                     });
 | ||
|     
 | ||
|                     pending.push( promise );
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             // 让出位置了,可以让其他分片开始上传
 | ||
|             _popBlock: function( block ) {
 | ||
|                 var idx = $.inArray( block, this.pool );
 | ||
|     
 | ||
|                 this.pool.splice( idx, 1 );
 | ||
|                 block.file.remaning--;
 | ||
|                 this.remaning--;
 | ||
|             },
 | ||
|     
 | ||
|             // 开始上传,可以被掉过。如果promise被reject了,则表示跳过此分片。
 | ||
|             _startSend: function( block ) {
 | ||
|                 var me = this,
 | ||
|                     file = block.file,
 | ||
|                     promise;
 | ||
|     
 | ||
|                 // 有可能在 before-send-file 的 promise 期间改变了文件状态。
 | ||
|                 // 如:暂停,取消
 | ||
|                 // 我们不能中断 promise, 但是可以在 promise 完后,不做上传操作。
 | ||
|                 if ( file.getStatus() !== Status.PROGRESS ) {
 | ||
|     
 | ||
|                     // 如果是中断,则还需要放回去。
 | ||
|                     if (file.getStatus() === Status.INTERRUPT) {
 | ||
|                         me._putback(block);
 | ||
|                     }
 | ||
|     
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 me.pool.push( block );
 | ||
|                 me.remaning++;
 | ||
|     
 | ||
|                 // 如果没有分片,则直接使用原始的。
 | ||
|                 // 不会丢失content-type信息。
 | ||
|                 block.blob = block.chunks === 1 ? file.source :
 | ||
|                         file.source.slice( block.start, block.end );
 | ||
|     
 | ||
|                 // hook, 每个分片发送之前可能要做些异步的事情。
 | ||
|                 promise = me.request( 'before-send', block, function() {
 | ||
|     
 | ||
|                     // 有可能文件已经上传出错了,所以不需要再传输了。
 | ||
|                     if ( file.getStatus() === Status.PROGRESS ) {
 | ||
|                         me._doSend( block );
 | ||
|                     } else {
 | ||
|                         me._popBlock( block );
 | ||
|                         Base.nextTick( me.__tick );
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 // 如果为fail了,则跳过此分片。
 | ||
|                 promise.fail(function() {
 | ||
|                     if ( file.remaning === 1 ) {
 | ||
|                         me._finishFile( file ).always(function() {
 | ||
|                             block.percentage = 1;
 | ||
|                             me._popBlock( block );
 | ||
|                             me.owner.trigger( 'uploadComplete', file );
 | ||
|                             Base.nextTick( me.__tick );
 | ||
|                         });
 | ||
|                     } else {
 | ||
|                         block.percentage = 1;
 | ||
|                         me.updateFileProgress( file );
 | ||
|                         me._popBlock( block );
 | ||
|                         Base.nextTick( me.__tick );
 | ||
|                     }
 | ||
|                 });
 | ||
|             },
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadBeforeSend
 | ||
|              * @param {Object} object
 | ||
|              * @param {Object} data 默认的上传参数,可以扩展此对象来控制上传参数。
 | ||
|              * @param {Object} headers 可以扩展此对象来控制上传头部。
 | ||
|              * @description 当某个文件的分块在发送前触发,主要用来询问是否要添加附带参数,大文件在开起分片上传的前提下此事件可能会触发多次。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadAccept
 | ||
|              * @param {Object} object
 | ||
|              * @param {Object} ret 服务端的返回数据,json格式,如果服务端不是json格式,从ret._raw中取数据,自行解析。
 | ||
|              * @description 当某个文件上传到服务端响应后,会派送此事件来询问服务端响应是否有效。如果此事件handler返回值为`false`, 则此文件将派送`server`类型的`uploadError`事件。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadProgress
 | ||
|              * @param {File} file File对象
 | ||
|              * @param {Number} percentage 上传进度
 | ||
|              * @description 上传过程中触发,携带上传进度。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadError
 | ||
|              * @param {File} file File对象
 | ||
|              * @param {String} reason 出错的code
 | ||
|              * @description 当文件上传出错时触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadSuccess
 | ||
|              * @param {File} file File对象
 | ||
|              * @param {Object} response 服务端返回的数据
 | ||
|              * @description 当文件上传成功时触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             /**
 | ||
|              * @event uploadComplete
 | ||
|              * @param {File} [file] File对象
 | ||
|              * @description 不管成功或者失败,文件上传完成时触发。
 | ||
|              * @for  Uploader
 | ||
|              */
 | ||
|     
 | ||
|             // 做上传操作。
 | ||
|             _doSend: function( block ) {
 | ||
|                 var me = this,
 | ||
|                     owner = me.owner,
 | ||
|                     opts = me.options,
 | ||
|                     file = block.file,
 | ||
|                     tr = new Transport( opts ),
 | ||
|                     data = $.extend({}, opts.formData ),
 | ||
|                     headers = $.extend({}, opts.headers ),
 | ||
|                     requestAccept, ret;
 | ||
|     
 | ||
|                 block.transport = tr;
 | ||
|     
 | ||
|                 tr.on( 'destroy', function() {
 | ||
|                     delete block.transport;
 | ||
|                     me._popBlock( block );
 | ||
|                     Base.nextTick( me.__tick );
 | ||
|                 });
 | ||
|     
 | ||
|                 // 广播上传进度。以文件为单位。
 | ||
|                 tr.on( 'progress', function( percentage ) {
 | ||
|                     block.percentage = percentage;
 | ||
|                     me.updateFileProgress( file );
 | ||
|                 });
 | ||
|     
 | ||
|                 // 用来询问,是否返回的结果是有错误的。
 | ||
|                 requestAccept = function( reject ) {
 | ||
|                     var fn;
 | ||
|     
 | ||
|                     ret = tr.getResponseAsJson() || {};
 | ||
|                     ret._raw = tr.getResponse();
 | ||
|                     fn = function( value ) {
 | ||
|                         reject = value;
 | ||
|                     };
 | ||
|     
 | ||
|                     // 服务端响应了,不代表成功了,询问是否响应正确。
 | ||
|                     if ( !owner.trigger( 'uploadAccept', block, ret, fn ) ) {
 | ||
|                         reject = reject || 'server';
 | ||
|                     }
 | ||
|     
 | ||
|                     return reject;
 | ||
|                 };
 | ||
|     
 | ||
|                 // 尝试重试,然后广播文件上传出错。
 | ||
|                 tr.on( 'error', function( type, flag ) {
 | ||
|                     block.retried = block.retried || 0;
 | ||
|     
 | ||
|                     // 自动重试
 | ||
|                     if ( block.chunks > 1 && ~'http,abort'.indexOf( type ) &&
 | ||
|                             block.retried < opts.chunkRetry ) {
 | ||
|     
 | ||
|                         block.retried++;
 | ||
|                         tr.send();
 | ||
|     
 | ||
|                     } else {
 | ||
|     
 | ||
|                         // http status 500 ~ 600
 | ||
|                         if ( !flag && type === 'server' ) {
 | ||
|                             type = requestAccept( type );
 | ||
|                         }
 | ||
|     
 | ||
|                         file.setStatus( Status.ERROR, type );
 | ||
|                         owner.trigger( 'uploadError', file, type );
 | ||
|                         owner.trigger( 'uploadComplete', file );
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 // 上传成功
 | ||
|                 tr.on( 'load', function() {
 | ||
|                     var reason;
 | ||
|     
 | ||
|                     // 如果非预期,转向上传出错。
 | ||
|                     if ( (reason = requestAccept()) ) {
 | ||
|                         tr.trigger( 'error', reason, true );
 | ||
|                         return;
 | ||
|                     }
 | ||
|     
 | ||
|                     // 全部上传完成。
 | ||
|                     if ( file.remaning === 1 ) {
 | ||
|                         me._finishFile( file, ret );
 | ||
|                     } else {
 | ||
|                         tr.destroy();
 | ||
|                     }
 | ||
|                 });
 | ||
|     
 | ||
|                 // 配置默认的上传字段。
 | ||
|                 data = $.extend( data, {
 | ||
|                     id: file.id,
 | ||
|                     name: file.name,
 | ||
|                     type: file.type,
 | ||
|                     lastModifiedDate: file.lastModifiedDate,
 | ||
|                     size: file.size
 | ||
|                 });
 | ||
|     
 | ||
|                 block.chunks > 1 && $.extend( data, {
 | ||
|                     chunks: block.chunks,
 | ||
|                     chunk: block.chunk
 | ||
|                 });
 | ||
|     
 | ||
|                 // 在发送之间可以添加字段什么的。。。
 | ||
|                 // 如果默认的字段不够使用,可以通过监听此事件来扩展
 | ||
|                 owner.trigger( 'uploadBeforeSend', block, data, headers );
 | ||
|     
 | ||
|                 // 开始发送。
 | ||
|                 tr.appendBlob( opts.fileVal, block.blob, file.name );
 | ||
|                 tr.append( data );
 | ||
|                 tr.setRequestHeader( headers );
 | ||
|                 tr.send();
 | ||
|             },
 | ||
|     
 | ||
|             // 完成上传。
 | ||
|             _finishFile: function( file, ret, hds ) {
 | ||
|                 var owner = this.owner;
 | ||
|     
 | ||
|                 return owner
 | ||
|                         .request( 'after-send-file', arguments, function() {
 | ||
|                             file.setStatus( Status.COMPLETE );
 | ||
|                             owner.trigger( 'uploadSuccess', file, ret, hds );
 | ||
|                         })
 | ||
|                         .fail(function( reason ) {
 | ||
|     
 | ||
|                             // 如果外部已经标记为invalid什么的,不再改状态。
 | ||
|                             if ( file.getStatus() === Status.PROGRESS ) {
 | ||
|                                 file.setStatus( Status.ERROR, reason );
 | ||
|                             }
 | ||
|     
 | ||
|                             owner.trigger( 'uploadError', file, reason );
 | ||
|                         })
 | ||
|                         .always(function() {
 | ||
|                             owner.trigger( 'uploadComplete', file );
 | ||
|                         });
 | ||
|             },
 | ||
|     
 | ||
|             updateFileProgress: function(file) {
 | ||
|                 var totalPercent = 0,
 | ||
|                     uploaded = 0;
 | ||
|     
 | ||
|                 if (!file.blocks) {
 | ||
|                     return;
 | ||
|                 }
 | ||
|     
 | ||
|                 $.each( file.blocks, function( _, v ) {
 | ||
|                     uploaded += (v.percentage || 0) * (v.end - v.start);
 | ||
|                 });
 | ||
|     
 | ||
|                 totalPercent = uploaded / file.size;
 | ||
|                 this.owner.trigger( 'uploadProgress', file, totalPercent || 0 );
 | ||
|             }
 | ||
|     
 | ||
|         });
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview 各种验证,包括文件总大小是否超出、单文件是否超出和文件是否重复。
 | ||
|      */
 | ||
|     
 | ||
|     define('widgets/validator',[
 | ||
|         'base',
 | ||
|         'uploader',
 | ||
|         'file',
 | ||
|         'widgets/widget'
 | ||
|     ], function( Base, Uploader, WUFile ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             validators = {},
 | ||
|             api;
 | ||
|     
 | ||
|         /**
 | ||
|          * @event error
 | ||
|          * @param {String} type 错误类型。
 | ||
|          * @description 当validate不通过时,会以派送错误事件的形式通知调用者。通过`upload.on('error', handler)`可以捕获到此类错误,目前有以下错误会在特定的情况下派送错来。
 | ||
|          *
 | ||
|          * * `Q_EXCEED_NUM_LIMIT` 在设置了`fileNumLimit`且尝试给`uploader`添加的文件数量超出这个值时派送。
 | ||
|          * * `Q_EXCEED_SIZE_LIMIT` 在设置了`Q_EXCEED_SIZE_LIMIT`且尝试给`uploader`添加的文件总大小超出这个值时派送。
 | ||
|          * * `Q_TYPE_DENIED` 当文件类型不满足时触发。。
 | ||
|          * @for  Uploader
 | ||
|          */
 | ||
|     
 | ||
|         // 暴露给外面的api
 | ||
|         api = {
 | ||
|     
 | ||
|             // 添加验证器
 | ||
|             addValidator: function( type, cb ) {
 | ||
|                 validators[ type ] = cb;
 | ||
|             },
 | ||
|     
 | ||
|             // 移除验证器
 | ||
|             removeValidator: function( type ) {
 | ||
|                 delete validators[ type ];
 | ||
|             }
 | ||
|         };
 | ||
|     
 | ||
|         // 在Uploader初始化的时候启动Validators的初始化
 | ||
|         Uploader.register({
 | ||
|             name: 'validator',
 | ||
|     
 | ||
|             init: function() {
 | ||
|                 var me = this;
 | ||
|                 Base.nextTick(function() {
 | ||
|                     $.each( validators, function() {
 | ||
|                         this.call( me.owner );
 | ||
|                     });
 | ||
|                 });
 | ||
|             }
 | ||
|         });
 | ||
|     
 | ||
|         /**
 | ||
|          * @property {int} [fileNumLimit=undefined]
 | ||
|          * @namespace options
 | ||
|          * @for Uploader
 | ||
|          * @description 验证文件总数量, 超出则不允许加入队列。
 | ||
|          */
 | ||
|         api.addValidator( 'fileNumLimit', function() {
 | ||
|             var uploader = this,
 | ||
|                 opts = uploader.options,
 | ||
|                 count = 0,
 | ||
|                 max = parseInt( opts.fileNumLimit, 10 ),
 | ||
|                 flag = true;
 | ||
|     
 | ||
|             if ( !max ) {
 | ||
|                 return;
 | ||
|             }
 | ||
|     
 | ||
|             uploader.on( 'beforeFileQueued', function( file ) {
 | ||
|     
 | ||
|                 if ( count >= max && flag ) {
 | ||
|                     flag = false;
 | ||
|                     this.trigger( 'error', 'Q_EXCEED_NUM_LIMIT', max, file );
 | ||
|                     setTimeout(function() {
 | ||
|                         flag = true;
 | ||
|                     }, 1 );
 | ||
|                 }
 | ||
|     
 | ||
|                 return count >= max ? false : true;
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'fileQueued', function() {
 | ||
|                 count++;
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'fileDequeued', function() {
 | ||
|                 count--;
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'reset', function() {
 | ||
|                 count = 0;
 | ||
|             });
 | ||
|         });
 | ||
|     
 | ||
|     
 | ||
|         /**
 | ||
|          * @property {int} [fileSizeLimit=undefined]
 | ||
|          * @namespace options
 | ||
|          * @for Uploader
 | ||
|          * @description 验证文件总大小是否超出限制, 超出则不允许加入队列。
 | ||
|          */
 | ||
|         api.addValidator( 'fileSizeLimit', function() {
 | ||
|             var uploader = this,
 | ||
|                 opts = uploader.options,
 | ||
|                 count = 0,
 | ||
|                 max = parseInt( opts.fileSizeLimit, 10 ),
 | ||
|                 flag = true;
 | ||
|     
 | ||
|             if ( !max ) {
 | ||
|                 return;
 | ||
|             }
 | ||
|     
 | ||
|             uploader.on( 'beforeFileQueued', function( file ) {
 | ||
|                 var invalid = count + file.size > max;
 | ||
|     
 | ||
|                 if ( invalid && flag ) {
 | ||
|                     flag = false;
 | ||
|                     this.trigger( 'error', 'Q_EXCEED_SIZE_LIMIT', max, file );
 | ||
|                     setTimeout(function() {
 | ||
|                         flag = true;
 | ||
|                     }, 1 );
 | ||
|                 }
 | ||
|     
 | ||
|                 return invalid ? false : true;
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'fileQueued', function( file ) {
 | ||
|                 count += file.size;
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'fileDequeued', function( file ) {
 | ||
|                 count -= file.size;
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'reset', function() {
 | ||
|                 count = 0;
 | ||
|             });
 | ||
|         });
 | ||
|     
 | ||
|         /**
 | ||
|          * @property {int} [fileSingleSizeLimit=undefined]
 | ||
|          * @namespace options
 | ||
|          * @for Uploader
 | ||
|          * @description 验证单个文件大小是否超出限制, 超出则不允许加入队列。
 | ||
|          */
 | ||
|         api.addValidator( 'fileSingleSizeLimit', function() {
 | ||
|             var uploader = this,
 | ||
|                 opts = uploader.options,
 | ||
|                 max = opts.fileSingleSizeLimit;
 | ||
|     
 | ||
|             if ( !max ) {
 | ||
|                 return;
 | ||
|             }
 | ||
|     
 | ||
|             uploader.on( 'beforeFileQueued', function( file ) {
 | ||
|     
 | ||
|                 if ( file.size > max ) {
 | ||
|                     file.setStatus( WUFile.Status.INVALID, 'exceed_size' );
 | ||
|                     this.trigger( 'error', 'F_EXCEED_SIZE', max, file );
 | ||
|                     return false;
 | ||
|                 }
 | ||
|     
 | ||
|             });
 | ||
|     
 | ||
|         });
 | ||
|     
 | ||
|         /**
 | ||
|          * @property {Boolean} [duplicate=undefined]
 | ||
|          * @namespace options
 | ||
|          * @for Uploader
 | ||
|          * @description 去重, 根据文件名字、文件大小和最后修改时间来生成hash Key.
 | ||
|          */
 | ||
|         api.addValidator( 'duplicate', function() {
 | ||
|             var uploader = this,
 | ||
|                 opts = uploader.options,
 | ||
|                 mapping = {};
 | ||
|     
 | ||
|             if ( opts.duplicate ) {
 | ||
|                 return;
 | ||
|             }
 | ||
|     
 | ||
|             function hashString( str ) {
 | ||
|                 var hash = 0,
 | ||
|                     i = 0,
 | ||
|                     len = str.length,
 | ||
|                     _char;
 | ||
|     
 | ||
|                 for ( ; i < len; i++ ) {
 | ||
|                     _char = str.charCodeAt( i );
 | ||
|                     hash = _char + (hash << 6) + (hash << 16) - hash;
 | ||
|                 }
 | ||
|     
 | ||
|                 return hash;
 | ||
|             }
 | ||
|     
 | ||
|             uploader.on( 'beforeFileQueued', function( file ) {
 | ||
|                 var hash = file.__hash || (file.__hash = hashString( file.name +
 | ||
|                         file.size + file.lastModifiedDate ));
 | ||
|     
 | ||
|                 // 已经重复了
 | ||
|                 if ( mapping[ hash ] ) {
 | ||
|                     this.trigger( 'error', 'F_DUPLICATE', file );
 | ||
|                     return false;
 | ||
|                 }
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'fileQueued', function( file ) {
 | ||
|                 var hash = file.__hash;
 | ||
|     
 | ||
|                 hash && (mapping[ hash ] = true);
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'fileDequeued', function( file ) {
 | ||
|                 var hash = file.__hash;
 | ||
|     
 | ||
|                 hash && (delete mapping[ hash ]);
 | ||
|             });
 | ||
|     
 | ||
|             uploader.on( 'reset', function() {
 | ||
|                 mapping = {};
 | ||
|             });
 | ||
|         });
 | ||
|     
 | ||
|         return api;
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview Runtime管理器,负责Runtime的选择, 连接
 | ||
|      */
 | ||
|     define('runtime/compbase',[],function() {
 | ||
|     
 | ||
|         function CompBase( owner, runtime ) {
 | ||
|     
 | ||
|             this.owner = owner;
 | ||
|             this.options = owner.options;
 | ||
|     
 | ||
|             this.getRuntime = function() {
 | ||
|                 return runtime;
 | ||
|             };
 | ||
|     
 | ||
|             this.getRuid = function() {
 | ||
|                 return runtime.uid;
 | ||
|             };
 | ||
|     
 | ||
|             this.trigger = function() {
 | ||
|                 return owner.trigger.apply( owner, arguments );
 | ||
|             };
 | ||
|         }
 | ||
|     
 | ||
|         return CompBase;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview FlashRuntime
 | ||
|      */
 | ||
|     define('runtime/flash/runtime',[
 | ||
|         'base',
 | ||
|         'runtime/runtime',
 | ||
|         'runtime/compbase'
 | ||
|     ], function( Base, Runtime, CompBase ) {
 | ||
|     
 | ||
|         var $ = Base.$,
 | ||
|             type = 'flash',
 | ||
|             components = {};
 | ||
|     
 | ||
|     
 | ||
|         function getFlashVersion() {
 | ||
|             var version;
 | ||
|     
 | ||
|             try {
 | ||
|                 version = navigator.plugins[ 'Shockwave Flash' ];
 | ||
|                 version = version.description;
 | ||
|             } catch ( ex ) {
 | ||
|                 try {
 | ||
|                     version = new ActiveXObject('ShockwaveFlash.ShockwaveFlash')
 | ||
|                             .GetVariable('$version');
 | ||
|                 } catch ( ex2 ) {
 | ||
|                     version = '0.0';
 | ||
|                 }
 | ||
|             }
 | ||
|             version = version.match( /\d+/g );
 | ||
|             return parseFloat( version[ 0 ] + '.' + version[ 1 ], 10 );
 | ||
|         }
 | ||
|     
 | ||
|         function FlashRuntime() {
 | ||
|             var pool = {},
 | ||
|                 clients = {},
 | ||
|                 destroy = this.destroy,
 | ||
|                 me = this,
 | ||
|                 jsreciver = Base.guid('webuploader_');
 | ||
|     
 | ||
|             Runtime.apply( me, arguments );
 | ||
|             me.type = type;
 | ||
|     
 | ||
|     
 | ||
|             // 这个方法的调用者,实际上是RuntimeClient
 | ||
|             me.exec = function( comp, fn/*, args...*/ ) {
 | ||
|                 var client = this,
 | ||
|                     uid = client.uid,
 | ||
|                     args = Base.slice( arguments, 2 ),
 | ||
|                     instance;
 | ||
|     
 | ||
|                 clients[ uid ] = client;
 | ||
|     
 | ||
|                 if ( components[ comp ] ) {
 | ||
|                     if ( !pool[ uid ] ) {
 | ||
|                         pool[ uid ] = new components[ comp ]( client, me );
 | ||
|                     }
 | ||
|     
 | ||
|                     instance = pool[ uid ];
 | ||
|     
 | ||
|                     if ( instance[ fn ] ) {
 | ||
|                         return instance[ fn ].apply( instance, args );
 | ||
|                     }
 | ||
|                 }
 | ||
|     
 | ||
|                 return me.flashExec.apply( client, arguments );
 | ||
|             };
 | ||
|     
 | ||
|             function handler( evt, obj ) {
 | ||
|                 var type = evt.type || evt,
 | ||
|                     parts, uid;
 | ||
|     
 | ||
|                 parts = type.split('::');
 | ||
|                 uid = parts[ 0 ];
 | ||
|                 type = parts[ 1 ];
 | ||
|     
 | ||
|                 // console.log.apply( console, arguments );
 | ||
|     
 | ||
|                 if ( type === 'Ready' && uid === me.uid ) {
 | ||
|                     me.trigger('ready');
 | ||
|                 } else if ( clients[ uid ] ) {
 | ||
|                     clients[ uid ].trigger( type.toLowerCase(), evt, obj );
 | ||
|                 }
 | ||
|     
 | ||
|                 // Base.log( evt, obj );
 | ||
|             }
 | ||
|     
 | ||
|             // flash的接受器。
 | ||
|             window[ jsreciver ] = function() {
 | ||
|                 var args = arguments;
 | ||
|     
 | ||
|                 // 为了能捕获得到。
 | ||
|                 setTimeout(function() {
 | ||
|                     handler.apply( null, args );
 | ||
|                 }, 1 );
 | ||
|             };
 | ||
|     
 | ||
|             this.jsreciver = jsreciver;
 | ||
|     
 | ||
|             this.destroy = function() {
 | ||
|                 // @todo 删除池子中的所有实例
 | ||
|                 return destroy && destroy.apply( this, arguments );
 | ||
|             };
 | ||
|     
 | ||
|             this.flashExec = function( comp, fn ) {
 | ||
|                 var flash = me.getFlash(),
 | ||
|                     args = Base.slice( arguments, 2 );
 | ||
|     
 | ||
|                 return flash.exec( this.uid, comp, fn, args );
 | ||
|             };
 | ||
|     
 | ||
|             // @todo
 | ||
|         }
 | ||
|     
 | ||
|         Base.inherits( Runtime, {
 | ||
|             constructor: FlashRuntime,
 | ||
|     
 | ||
|             init: function() {
 | ||
|                 var container = this.getContainer(),
 | ||
|                     opts = this.options,
 | ||
|                     html;
 | ||
|     
 | ||
|                 // if not the minimal height, shims are not initialized
 | ||
|                 // in older browsers (e.g FF3.6, IE6,7,8, Safari 4.0,5.0, etc)
 | ||
|                 container.css({
 | ||
|                     position: 'absolute',
 | ||
|                     top: '-8px',
 | ||
|                     left: '-8px',
 | ||
|                     width: '9px',
 | ||
|                     height: '9px',
 | ||
|                     overflow: 'hidden'
 | ||
|                 });
 | ||
|     
 | ||
|                 // insert flash object
 | ||
|                 html = '<object id="' + this.uid + '" type="application/' +
 | ||
|                         'x-shockwave-flash" data="' +  opts.swf + '" ';
 | ||
|     
 | ||
|                 if ( Base.browser.ie ) {
 | ||
|                     html += 'classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" ';
 | ||
|                 }
 | ||
|     
 | ||
|                 html += 'width="100%" height="100%" style="outline:0">'  +
 | ||
|                     '<param name="movie" value="' + opts.swf + '" />' +
 | ||
|                     '<param name="flashvars" value="uid=' + this.uid +
 | ||
|                     '&jsreciver=' + this.jsreciver + '" />' +
 | ||
|                     '<param name="wmode" value="transparent" />' +
 | ||
|                     '<param name="allowscriptaccess" value="always" />' +
 | ||
|                 '</object>';
 | ||
|     
 | ||
|                 container.html( html );
 | ||
|             },
 | ||
|     
 | ||
|             getFlash: function() {
 | ||
|                 if ( this._flash ) {
 | ||
|                     return this._flash;
 | ||
|                 }
 | ||
|     
 | ||
|                 this._flash = $( '#' + this.uid ).get( 0 );
 | ||
|                 return this._flash;
 | ||
|             }
 | ||
|     
 | ||
|         });
 | ||
|     
 | ||
|         FlashRuntime.register = function( name, component ) {
 | ||
|             component = components[ name ] = Base.inherits( CompBase, $.extend({
 | ||
|     
 | ||
|                 // @todo fix this later
 | ||
|                 flashExec: function() {
 | ||
|                     var owner = this.owner,
 | ||
|                         runtime = this.getRuntime();
 | ||
|     
 | ||
|                     return runtime.flashExec.apply( owner, arguments );
 | ||
|                 }
 | ||
|             }, component ) );
 | ||
|     
 | ||
|             return component;
 | ||
|         };
 | ||
|     
 | ||
|         if ( getFlashVersion() >= 11.4 ) {
 | ||
|             Runtime.addRuntime( type, FlashRuntime );
 | ||
|         }
 | ||
|     
 | ||
|         return FlashRuntime;
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview FilePicker
 | ||
|      */
 | ||
|     define('runtime/flash/filepicker',[
 | ||
|         'base',
 | ||
|         'runtime/flash/runtime'
 | ||
|     ], function( Base, FlashRuntime ) {
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         return FlashRuntime.register( 'FilePicker', {
 | ||
|             init: function( opts ) {
 | ||
|                 var copy = $.extend({}, opts ),
 | ||
|                     len, i;
 | ||
|     
 | ||
|                 // 修复Flash再没有设置title的情况下无法弹出flash文件选择框的bug.
 | ||
|                 len = copy.accept && copy.accept.length;
 | ||
|                 for (  i = 0; i < len; i++ ) {
 | ||
|                     if ( !copy.accept[ i ].title ) {
 | ||
|                         copy.accept[ i ].title = 'Files';
 | ||
|                     }
 | ||
|                 }
 | ||
|     
 | ||
|                 delete copy.button;
 | ||
|                 delete copy.id;
 | ||
|                 delete copy.container;
 | ||
|     
 | ||
|                 this.flashExec( 'FilePicker', 'init', copy );
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 this.flashExec( 'FilePicker', 'destroy' );
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview 图片压缩
 | ||
|      */
 | ||
|     define('runtime/flash/image',[
 | ||
|         'runtime/flash/runtime'
 | ||
|     ], function( FlashRuntime ) {
 | ||
|     
 | ||
|         return FlashRuntime.register( 'Image', {
 | ||
|             // init: function( options ) {
 | ||
|             //     var owner = this.owner;
 | ||
|     
 | ||
|             //     this.flashExec( 'Image', 'init', options );
 | ||
|             //     owner.on( 'load', function() {
 | ||
|             //         debugger;
 | ||
|             //     });
 | ||
|             // },
 | ||
|     
 | ||
|             loadFromBlob: function( blob ) {
 | ||
|                 var owner = this.owner;
 | ||
|     
 | ||
|                 owner.info() && this.flashExec( 'Image', 'info', owner.info() );
 | ||
|                 owner.meta() && this.flashExec( 'Image', 'meta', owner.meta() );
 | ||
|     
 | ||
|                 this.flashExec( 'Image', 'loadFromBlob', blob.uid );
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview Blob Html实现
 | ||
|      */
 | ||
|     define('runtime/flash/blob',[
 | ||
|         'runtime/flash/runtime',
 | ||
|         'lib/blob'
 | ||
|     ], function( FlashRuntime, Blob ) {
 | ||
|     
 | ||
|         return FlashRuntime.register( 'Blob', {
 | ||
|             slice: function( start, end ) {
 | ||
|                 var blob = this.flashExec( 'Blob', 'slice', start, end );
 | ||
|     
 | ||
|                 return new Blob( this.getRuid(), blob );
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     /**
 | ||
|      * @fileOverview  Transport flash实现
 | ||
|      */
 | ||
|     define('runtime/flash/transport',[
 | ||
|         'base',
 | ||
|         'runtime/flash/runtime',
 | ||
|         'runtime/client'
 | ||
|     ], function( Base, FlashRuntime, RuntimeClient ) {
 | ||
|         var $ = Base.$;
 | ||
|     
 | ||
|         return FlashRuntime.register( 'Transport', {
 | ||
|             init: function() {
 | ||
|                 this._status = 0;
 | ||
|                 this._response = null;
 | ||
|                 this._responseJson = null;
 | ||
|             },
 | ||
|     
 | ||
|             send: function() {
 | ||
|                 var owner = this.owner,
 | ||
|                     opts = this.options,
 | ||
|                     xhr = this._initAjax(),
 | ||
|                     blob = owner._blob,
 | ||
|                     server = opts.server,
 | ||
|                     binary;
 | ||
|     
 | ||
|                 xhr.connectRuntime( blob.ruid );
 | ||
|     
 | ||
|                 if ( opts.sendAsBinary ) {
 | ||
|                     server += (/\?/.test( server ) ? '&' : '?') +
 | ||
|                             $.param( owner._formData );
 | ||
|     
 | ||
|                     binary = blob.uid;
 | ||
|                 } else {
 | ||
|                     $.each( owner._formData, function( k, v ) {
 | ||
|                         xhr.exec( 'append', k, v );
 | ||
|                     });
 | ||
|     
 | ||
|                     xhr.exec( 'appendBlob', opts.fileVal, blob.uid,
 | ||
|                             opts.filename || owner._formData.name || '' );
 | ||
|                 }
 | ||
|     
 | ||
|                 this._setRequestHeader( xhr, opts.headers );
 | ||
|                 xhr.exec( 'send', {
 | ||
|                     method: opts.method,
 | ||
|                     url: server,
 | ||
|                     forceURLStream: opts.forceURLStream,
 | ||
|                     mimeType: 'application/octet-stream'
 | ||
|                 }, binary );
 | ||
|             },
 | ||
|     
 | ||
|             getStatus: function() {
 | ||
|                 return this._status;
 | ||
|             },
 | ||
|     
 | ||
|             getResponse: function() {
 | ||
|                 return this._response || '';
 | ||
|             },
 | ||
|     
 | ||
|             getResponseAsJson: function() {
 | ||
|                 return this._responseJson;
 | ||
|             },
 | ||
|     
 | ||
|             abort: function() {
 | ||
|                 var xhr = this._xhr;
 | ||
|     
 | ||
|                 if ( xhr ) {
 | ||
|                     xhr.exec('abort');
 | ||
|                     xhr.destroy();
 | ||
|                     this._xhr = xhr = null;
 | ||
|                 }
 | ||
|             },
 | ||
|     
 | ||
|             destroy: function() {
 | ||
|                 this.abort();
 | ||
|             },
 | ||
|     
 | ||
|             _initAjax: function() {
 | ||
|                 var me = this,
 | ||
|                     xhr = new RuntimeClient('XMLHttpRequest');
 | ||
|     
 | ||
|                 xhr.on( 'uploadprogress progress', function( e ) {
 | ||
|                     var percent = e.loaded / e.total;
 | ||
|                     percent = Math.min( 1, Math.max( 0, percent ) );
 | ||
|                     return me.trigger( 'progress', percent );
 | ||
|                 });
 | ||
|     
 | ||
|                 xhr.on( 'load', function() {
 | ||
|                     var status = xhr.exec('getStatus'),
 | ||
|                         readBody = false,
 | ||
|                         err = '',
 | ||
|                         p;
 | ||
|     
 | ||
|                     xhr.off();
 | ||
|                     me._xhr = null;
 | ||
|     
 | ||
|                     if ( status >= 200 && status < 300 ) {
 | ||
|                         readBody = true;
 | ||
|                     } else if ( status >= 500 && status < 600 ) {
 | ||
|                         readBody = true;
 | ||
|                         err = 'server';
 | ||
|                     } else {
 | ||
|                         err = 'http';
 | ||
|                     }
 | ||
|     
 | ||
|                     if ( readBody ) {
 | ||
|                         me._response = xhr.exec('getResponse');
 | ||
|                         me._response = decodeURIComponent( me._response );
 | ||
|     
 | ||
|                         // flash 处理可能存在 bug, 没辙只能靠 js 了
 | ||
|                         // try {
 | ||
|                         //     me._responseJson = xhr.exec('getResponseAsJson');
 | ||
|                         // } catch ( error ) {
 | ||
|     
 | ||
|                         p = function( s ) {
 | ||
|                             try {
 | ||
|                                 if (window.JSON && window.JSON.parse) {
 | ||
|                                     return JSON.parse(s);
 | ||
|                                 }
 | ||
|     
 | ||
|                                 return new Function('return ' + s).call();
 | ||
|                             } catch ( err ) {
 | ||
|                                 return {};
 | ||
|                             }
 | ||
|                         };
 | ||
|                         me._responseJson  = me._response ? p(me._response) : {};
 | ||
|     
 | ||
|                         // }
 | ||
|                     }
 | ||
|     
 | ||
|                     xhr.destroy();
 | ||
|                     xhr = null;
 | ||
|     
 | ||
|                     return err ? me.trigger( 'error', err ) : me.trigger('load');
 | ||
|                 });
 | ||
|     
 | ||
|                 xhr.on( 'error', function() {
 | ||
|                     xhr.off();
 | ||
|                     me._xhr = null;
 | ||
|                     me.trigger( 'error', 'http' );
 | ||
|                 });
 | ||
|     
 | ||
|                 me._xhr = xhr;
 | ||
|                 return xhr;
 | ||
|             },
 | ||
|     
 | ||
|             _setRequestHeader: function( xhr, headers ) {
 | ||
|                 $.each( headers, function( key, val ) {
 | ||
|                     xhr.exec( 'setRequestHeader', key, val );
 | ||
|                 });
 | ||
|             }
 | ||
|         });
 | ||
|     });
 | ||
|     
 | ||
|     /**
 | ||
|      * @fileOverview 只有flash实现的文件版本。
 | ||
|      */
 | ||
|     define('preset/flashonly',[
 | ||
|         'base',
 | ||
|     
 | ||
|         // widgets
 | ||
|         'widgets/filepicker',
 | ||
|         'widgets/image',
 | ||
|         'widgets/queue',
 | ||
|         'widgets/runtime',
 | ||
|         'widgets/upload',
 | ||
|         'widgets/validator',
 | ||
|     
 | ||
|         // runtimes
 | ||
|     
 | ||
|         // flash
 | ||
|         'runtime/flash/filepicker',
 | ||
|         'runtime/flash/image',
 | ||
|         'runtime/flash/blob',
 | ||
|         'runtime/flash/transport'
 | ||
|     ], function( Base ) {
 | ||
|         return Base;
 | ||
|     });
 | ||
|     define('webuploader',[
 | ||
|         'preset/flashonly'
 | ||
|     ], function( preset ) {
 | ||
|         return preset;
 | ||
|     });
 | ||
|     return require('webuploader');
 | ||
| });
 | 
