/**
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* @fileoverview flash上传方案，基于龙藏写的ajbridge内的uploader
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* @author 剑平（明河）<minghe36@126.com>
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**/
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KISSY.add('gallery/form/1.3/uploader/type/flash', function (S, Node, UploadType, swfUploader) {
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var EMPTY = '', LOG_PREFIX = '[uploader-FlashType]:';
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if(S.FlashType) return S.FlashType;
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/**
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* @name FlashType
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* @class flash上传方案，基于龙藏写的ajbridge内的uploader
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* @constructor
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* @extends UploadType
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* @requires Node
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*/
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function FlashType(config) {
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var self = this;
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//调用父类构造函数
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FlashType.superclass.constructor.call(self, config);
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self.isHasCrossdomain();
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self._init();
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}
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S.mix(FlashType, /** @lends FlashType.prototype*/{
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/**
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* 事件列表
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*/
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event:S.merge(UploadType.event, {
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//swf文件已经准备就绪
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SWF_READY: 'swfReady',
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//正在上传
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PROGRESS:'progress'
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})
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});
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S.extend(FlashType, UploadType, /** @lends FlashType.prototype*/{
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/**
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* 初始化
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*/
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_init:function () {
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var self = this, swfUploader = self.get('swfUploader');
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if(!swfUploader){
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S.log(LOG_PREFIX + 'swfUploader对象为空！');
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return false;
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}
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//SWF 内容准备就绪
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swfUploader.on('contentReady', function(ev){
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self.fire(FlashType.event.SWF_READY);
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}, self);
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//监听开始上传事件
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swfUploader.on('uploadStart', self._uploadStartHandler, self);
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//监听文件正在上传事件
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swfUploader.on('uploadProgress', self._uploadProgressHandler, self);
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//监听文件上传完成事件
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swfUploader.on('uploadCompleteData',self._uploadCompleteDataHandler,self);
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//监听文件失败事件
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swfUploader.on('uploadError',self._uploadErrorHandler,self);
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},
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/**
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* 上传文件
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* @param {String} id 文件id
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* @return {FlashType}
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*/
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upload: function (id) {
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var self = this, swfUploader = self.get('swfUploader'),
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action = self.get('action'), method = 'POST',
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data = self.get('data'),
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name = self.get('fileDataName');
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if(!name) name = 'Filedata';
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self.set('uploadingId',id);
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S.mix(data,{"type":"flash"});
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swfUploader.upload(id, action, method, data,name);
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return self;
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},
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/**
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* 停止上传文件
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* @return {FlashType}
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*/
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stop:function () {
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var self = this, swfUploader = self.get('swfUploader'),
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uploadingId = self.get('uploadingId');
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if(uploadingId != EMPTY){
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swfUploader.cancel(uploadingId);
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self.fire(FlashType.event.STOP, {id : uploadingId});
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}
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return self;
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},
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/**
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* 开始上传事件监听器
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* @param {Object} ev ev.file：文件数据
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*/
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_uploadStartHandler : function(ev){
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var self = this;
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self.fire(FlashType.event.START, {'file' : ev.file });
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},
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/**
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* 上传中事件监听器
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* @param {Object} ev
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*/
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_uploadProgressHandler:function (ev) {
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var self = this;
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S.mix(ev, {
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//已经读取的文件字节数
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loaded:ev.bytesLoaded,
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//文件总共字节数
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total : ev.bytesTotal
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});
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S.log(LOG_PREFIX + '已经上传字节数为：' + ev.bytesLoaded);
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self.fire(FlashType.event.PROGRESS, { 'loaded':ev.loaded, 'total':ev.total });
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},
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/**
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* 上传完成后事件监听器
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* @param {Object} ev
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*/
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_uploadCompleteDataHandler : function(ev){
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var self = this;
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var result = self._processResponse(ev.data);
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self.set('uploadingId',EMPTY);
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self.fire(FlashType.event.SUCCESS, {result : result});
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},
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/**
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*文件上传失败后事件监听器
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*/
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_uploadErrorHandler : function(ev){
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var self = this;
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self.set('uploadingId',EMPTY);
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self.fire(FlashType.event.ERROR, {msg : ev.msg});
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},
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/**
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* 应用是否有flash跨域策略文件
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*/
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isHasCrossdomain:function(){
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var domain = location.hostname;
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S.io({
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url:'http://' + domain + '/crossdomain.xml',
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dataType:"xml",
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error:function(){
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S.log('缺少crossdomain.xml文件或该文件不合法！');
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}
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})
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}
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}, {ATTRS:/** @lends FlashType*/{
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/**
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* 服务器端路径，留意flash必须是绝对路径
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*/
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action:{
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value:EMPTY,
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getter: function (v) {
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//mod by liuhuisheng for delete the path method
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// var reg = /^http/;
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// //不是绝对路径拼接成绝对路径
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// if(!reg.test(v)){
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// var href = location.href,uris = href.split('/'),newUris;
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// newUris = S.filter(uris,function(item,i){
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// return i < uris.length - 1;
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// });
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// v = newUris.join('/') + '/' + v;
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// }
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return v;
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}
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},
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/**
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* ajbridge的uploader组件的实例，必须参数
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*/
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swfUploader:{value:EMPTY},
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/**
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* 正在上传的文件id
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*/
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uploadingId : {value : EMPTY}
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}});
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//TODO:之所以污染KISSY，是因为ImageUploader和Uploader同时引用时存在bug
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S.FlashType = FlashType;
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return FlashType;
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}, { requires: ['node', './base'] });
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