webuploader.custom.min.js
45.8 KB
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f=a.$,g=a.isPromise,h=c.Status;f.extend(b.options,{prepareNextFile:!1,chunked:!1,chunkSize:5242880,chunkRetry:2,threads:3,formData:null}),b.register({"start-upload":"start","stop-upload":"stop","skip-file":"skipFile","is-in-progress":"isInProgress"},{init:function(){var b=this.owner;this.runing=!1,this.pool=[],this.pending=[],this.remaning=0,this.__tick=a.bindFn(this._tick,this),b.on("uploadComplete",function(a){a.blocks&&f.each(a.blocks,function(a,b){b.transport&&(b.transport.abort(),b.transport.destroy()),delete b.transport}),delete a.blocks,delete a.remaning})},start:function(){var b=this;f.each(b.request("get-files",h.INVALID),function(){b.request("remove-file",this)}),b.runing||(b.runing=!0,f.each(b.pool,function(a,c){var d=c.file;d.getStatus()===h.INTERRUPT&&(d.setStatus(h.PROGRESS),b._trigged=!1,c.transport&&c.transport.send())}),b._trigged=!1,b.owner.trigger("startUpload"),a.nextTick(b.__tick))},stop:function(a){var 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d&&d.has()&&d.file.getStatus()===h.PROGRESS?(f.prepareNextFile&&!c.pending.length&&c._prepareNextFile(),d.fetch()):c.runing?(!c.pending.length&&c.getStats().numOfQueue&&c._prepareNextFile(),a=c.pending.shift(),b=function(a){return a?(d=e(a,f.chunked?f.chunkSize:0),c._act=d,d.fetch()):null},g(a)?a[a.pipe?"pipe":"then"](b):b(a)):void 0},_prepareNextFile:function(){var a,b=this,c=b.request("fetch-file"),d=b.pending;c&&(a=b.request("before-send-file",c,function(){return c.getStatus()===h.QUEUED?(b.owner.trigger("uploadStart",c),c.setStatus(h.PROGRESS),c):b._finishFile(c)}),a.done(function(){var b=f.inArray(a,d);~b&&d.splice(b,1,c)}),a.fail(function(a){c.setStatus(h.ERROR,a),b.owner.trigger("uploadError",c,a),b.owner.trigger("uploadComplete",c)}),d.push(a))},_popBlock:function(a){var b=f.inArray(a,this.pool);this.pool.splice(b,1),a.file.remaning--,this.remaning--},_startSend:function(b){var c,d=this,e=b.file;d.pool.push(b),d.remaning++,b.blob=1===b.chunks?e.source:e.source.slice(b.start,b.end),c=d.request("before-send",b,function(){e.getStatus()===h.PROGRESS?d._doSend(b):(d._popBlock(b),a.nextTick(d.__tick))}),c.fail(function(){1===e.remaning?d._finishFile(e).always(function(){b.percentage=1,d._popBlock(b),d.owner.trigger("uploadComplete",e),a.nextTick(d.__tick)}):(b.percentage=1,d._popBlock(b),a.nextTick(d.__tick))})},_doSend:function(b){var c,e,g=this,i=g.owner,j=g.options,k=b.file,l=new d(j),m=f.extend({},j.formData),n=f.extend({},j.headers);b.transport=l,l.on("destroy",function(){delete b.transport,g._popBlock(b),a.nextTick(g.__tick)}),l.on("progress",function(a){var c=0,d=0;c=b.percentage=a,b.chunks>1&&(f.each(k.blocks,function(a,b){d+=(b.percentage||0)*(b.end-b.start)}),c=d/k.size),i.trigger("uploadProgress",k,c||0)}),c=function(a){var c;return 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d.request("after-send-file",arguments,function(){a.setStatus(h.COMPLETE),d.trigger("uploadSuccess",a,b,c)}).fail(function(b){a.getStatus()===h.PROGRESS&&a.setStatus(h.ERROR,b),d.trigger("uploadError",a,b)}).always(function(){d.trigger("uploadComplete",a)})}})}),b("runtime/compbase",[],function(){function a(a,b){this.owner=a,this.options=a.options,this.getRuntime=function(){return b},this.getRuid=function(){return b.uid},this.trigger=function(){return a.trigger.apply(a,arguments)}}return a}),b("runtime/html5/runtime",["base","runtime/runtime","runtime/compbase"],function(b,c,d){function e(){var a={},d=this,e=this.destory;c.apply(d,arguments),d.type=f,d.exec=function(c,e){var f,h=this,i=h.uid,j=b.slice(arguments,2);return g[c]&&(f=a[i]=a[i]||new g[c](h,d),f[e])?f[e].apply(f,j):void 0},d.destory=function(){return e&&e.apply(this,arguments)}}var f="html5",g={};return b.inherits(c,{constructor:e,init:function(){var a=this;setTimeout(function(){a.trigger("ready")},1)}}),e.register=function(a,c){var e=g[a]=b.inherits(d,c);return e},a.Blob&&a.FileReader&&a.DataView&&c.addRuntime(f,e),e}),b("runtime/html5/blob",["runtime/html5/runtime","lib/blob"],function(a,b){return a.register("Blob",{slice:function(a,c){var d=this.owner.source,e=d.slice||d.webkitSlice||d.mozSlice;return d=e.call(d,a,c),new b(this.getRuid(),d)}})}),b("runtime/html5/filepicker",["base","runtime/html5/runtime"],function(a,b){var c=a.$;return b.register("FilePicker",{init:function(){var a,b,d,e,f=this.getRuntime().getContainer(),g=this,h=g.owner,i=g.options,j=c(document.createElement("label")),k=c(document.createElement("input"));if(k.attr("type","file"),k.attr("name",i.name),k.addClass("webuploader-element-invisible"),j.on("click",function(){k.trigger("click")}),j.css({opacity:0,width:"100%",height:"100%",display:"block",cursor:"pointer",background:"#ffffff"}),i.multiple&&k.attr("multiple","multiple"),i.accept&&i.accept.length>0){for(a=[],b=0,d=i.accept.length;d>b;b++)a.push(i.accept[b].mimeTypes);k.attr("accept",a.join(","))}f.append(k),f.append(j),e=function(a){h.trigger(a.type)},k.on("change",function(a){var b,d=arguments.callee;g.files=a.target.files,b=this.cloneNode(!0),this.parentNode.replaceChild(b,this),k.off(),k=c(b).on("change",d).on("mouseenter mouseleave",e),h.trigger("change")}),j.on("mouseenter mouseleave",e)},getFiles:function(){return this.files},destroy:function(){}})}),b("runtime/html5/util",["base"],function(b){var c=a.createObjectURL&&a||a.URL&&URL.revokeObjectURL&&URL||a.webkitURL,d=b.noop,e=d;return c&&(d=function(){return c.createObjectURL.apply(c,arguments)},e=function(){return c.revokeObjectURL.apply(c,arguments)}),{createObjectURL:d,revokeObjectURL:e,dataURL2Blob:function(a){var b,c,d,e,f,g;for(g=a.split(","),b=~g[0].indexOf("base64")?atob(g[1]):decodeURIComponent(g[1]),d=new ArrayBuffer(b.length),c=new Uint8Array(d),e=0;e<b.length;e++)c[e]=b.charCodeAt(e);return f=g[0].split(":")[1].split(";")[0],this.arrayBufferToBlob(d,f)},dataURL2ArrayBuffer:function(a){var b,c,d,e;for(e=a.split(","),b=~e[0].indexOf("base64")?atob(e[1]):decodeURIComponent(e[1]),c=new Uint8Array(b.length),d=0;d<b.length;d++)c[d]=b.charCodeAt(d);return c.buffer},arrayBufferToBlob:function(b,c){var d,e=a.BlobBuilder||a.WebKitBlobBuilder;return e?(d=new e,d.append(b),d.getBlob(c)):new Blob([b],c?{type:c}:{})},canvasToDataUrl:function(a,b,c){return a.toDataURL(b,c/100)},parseMeta:function(a,b){b(!1,{})},updateImageHead:function(a){return a}}}),b("runtime/html5/imagemeta",["runtime/html5/util"],function(a){var b;return b={parsers:{65505:[]},maxMetaDataSize:262144,parse:function(a,b){var c=this,d=new FileReader;d.onload=function(){b(!1,c._parse(this.result)),d=d.onload=d.onerror=null},d.onerror=function(a){b(a.message),d=d.onload=d.onerror=null},a=a.slice(0,c.maxMetaDataSize),d.readAsArrayBuffer(a.getSource())},_parse:function(a,c){if(!(a.byteLength<6)){var d,e,f,g,h=new DataView(a),i=2,j=h.byteLength-4,k=i,l={};if(65496===h.getUint16(0)){for(;j>i&&(d=h.getUint16(i),d>=65504&&65519>=d||65534===d)&&(e=h.getUint16(i+2)+2,!(i+e>h.byteLength));){if(f=b.parsers[d],!c&&f)for(g=0;g<f.length;g+=1)f[g].call(b,h,i,e,l);i+=e,k=i}k>6&&(l.imageHead=a.slice?a.slice(2,k):new Uint8Array(a).subarray(2,k))}return l}},updateImageHead:function(a,b){var c,d,e,f=this._parse(a,!0);return e=2,f.imageHead&&(e=2+f.imageHead.byteLength),d=a.slice?a.slice(e):new Uint8Array(a).subarray(e),c=new Uint8Array(b.byteLength+2+d.byteLength),c[0]=255,c[1]=216,c.set(new Uint8Array(b),2),c.set(new Uint8Array(d),b.byteLength+2),c.buffer}},a.parseMeta=function(){return b.parse.apply(b,arguments)},a.updateImageHead=function(){return b.updateImageHead.apply(b,arguments)},b}),b("runtime/html5/imagemeta/exif",["base","runtime/html5/imagemeta"],function(a,b){var c={};return c.ExifMap=function(){return this},c.ExifMap.prototype.map={Orientation:274},c.ExifMap.prototype.get=function(a){return this[a]||this[this.map[a]]},c.exifTagTypes={1:{getValue:function(a,b){return a.getUint8(b)},size:1},2:{getValue:function(a,b){return String.fromCharCode(a.getUint8(b))},size:1,ascii:!0},3:{getValue:function(a,b,c){return a.getUint16(b,c)},size:2},4:{getValue:function(a,b,c){return a.getUint32(b,c)
},size:4},5:{getValue:function(a,b,c){return a.getUint32(b,c)/a.getUint32(b+4,c)},size:8},9:{getValue:function(a,b,c){return a.getInt32(b,c)},size:4},10:{getValue:function(a,b,c){return a.getInt32(b,c)/a.getInt32(b+4,c)},size:8}},c.exifTagTypes[7]=c.exifTagTypes[1],c.getExifValue=function(b,d,e,f,g,h){var i,j,k,l,m,n,o=c.exifTagTypes[f];if(!o)return void a.log("Invalid Exif data: Invalid tag type.");if(i=o.size*g,j=i>4?d+b.getUint32(e+8,h):e+8,j+i>b.byteLength)return void a.log("Invalid Exif data: Invalid data offset.");if(1===g)return o.getValue(b,j,h);for(k=[],l=0;g>l;l+=1)k[l]=o.getValue(b,j+l*o.size,h);if(o.ascii){for(m="",l=0;l<k.length&&(n=k[l],"\x00"!==n);l+=1)m+=n;return m}return k},c.parseExifTag=function(a,b,d,e,f){var g=a.getUint16(d,e);f.exif[g]=c.getExifValue(a,b,d,a.getUint16(d+2,e),a.getUint32(d+4,e),e)},c.parseExifTags=function(b,c,d,e,f){var g,h,i;if(d+6>b.byteLength)return void a.log("Invalid Exif data: Invalid directory 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b.register("Image",{modified:!1,init:function(){var a=this,b=new Image;b.onload=function(){a._info={type:a.type,width:this.width,height:this.height},a._metas||"image/jpeg"!==a.type?a.owner.trigger("load"):c.parseMeta(a._blob,function(b,c){a._metas=c,a.owner.trigger("load")})},b.onerror=function(){a.owner.trigger("error")},a._img=b},loadFromBlob:function(a){var b=this,d=b._img;b._blob=a,b.type=a.type,d.src=c.createObjectURL(a.getSource()),b.owner.once("load",function(){c.revokeObjectURL(d.src)})},resize:function(a,b){var c=this._canvas||(this._canvas=document.createElement("canvas"));this._resize(this._img,c,a,b),this._blob=null,this.modified=!0,this.owner.trigger("complete")},getAsBlob:function(a){var b,d=this._blob,e=this.options;if(a=a||this.type,this.modified||this.type!==a){if(b=this._canvas,"image/jpeg"===a){if(d=c.canvasToDataUrl(b,"image/jpeg",e.quality),e.preserveHeaders&&this._metas&&this._metas.imageHead)return 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