plupload.html5.js 18 KB

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(function(k,m,l,g){var d={},j;function c(s){var r=s.naturalWidth,u=s.naturalHeight;if(r*u>1024*1024){var t=m.createElement("canvas");t.width=t.height=1;var q=t.getContext("2d");q.drawImage(s,-r+1,0);return q.getImageData(0,0,1,1).data[3]===0}else{return false}}function f(u,r,z){var q=m.createElement("canvas");q.width=1;q.height=z;var A=q.getContext("2d");A.drawImage(u,0,0);var t=A.getImageData(0,0,1,z).data;var x=0;var v=z;var y=z;while(y>x){var s=t[(y-1)*4+3];if(s===0){v=y}else{x=y}y=(v+x)>>1}var w=(y/z);return(w===0)?1:w}function o(K,s,t){var v=K.naturalWidth,z=K.naturalHeight;var E=t.width,B=t.height;var F=s.getContext("2d");F.save();var r=c(K);if(r){v/=2;z/=2}var I=1024;var q=m.createElement("canvas");q.width=q.height=I;var u=q.getContext("2d");var G=f(K,v,z);var A=0;while(A<z){var J=A+I>z?z-A:I;var C=0;while(C<v){var D=C+I>v?v-C:I;u.clearRect(0,0,I,I);u.drawImage(K,-C,-A);var x=(C*E/v)<<0;var y=Math.ceil(D*E/v);var w=(A*B/z/G)<<0;var 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l.File(A,x.fileName||x.name,x.fileSize||x.size))}if(y.length){s.trigger("FilesAdded",y)}}q=this.getFeatures();if(!q.html5){u({success:false});return}s.bind("Init",function(A){var J,I,F=[],z,G,w=A.settings.filters,x,E,v=m.body,H;J=m.createElement("div");J.id=A.id+"_html5_container";l.extend(J.style,{position:"absolute",background:s.settings.shim_bgcolor||"transparent",width:"100px",height:"100px",overflow:"hidden",zIndex:99999,opacity:s.settings.shim_bgcolor?"":0});J.className="plupload html5";if(s.settings.container){v=m.getElementById(s.settings.container);if(l.getStyle(v,"position")==="static"){v.style.position="relative"}}v.appendChild(J);no_type_restriction:for(z=0;z<w.length;z++){x=w[z].extensions.split(/,/);for(G=0;G<x.length;G++){if(x[G]==="*"){F=[];break no_type_restriction}E=l.mimeTypes[x[G]];if(E&&l.inArray(E,F)===-1){F.push(E)}}}J.innerHTML='<input id="'+s.id+'_html5" style="font-size:999px" type="file" accept="'+F.join(",")+'" '+(s.settings.multi_selection&&s.features.multi_selection?'multiple="multiple"':"")+" />";J.scrollTop=100;H=m.getElementById(s.id+"_html5");if(A.features.triggerDialog){l.extend(H.style,{position:"absolute",width:"100%",height:"100%"})}else{l.extend(H.style,{cssFloat:"right",styleFloat:"right"})}H.onchange=function(){r(this.files);this.value=""};I=m.getElementById(A.settings.browse_button);if(I){var C=A.settings.browse_button_hover,D=A.settings.browse_button_active,B=A.features.triggerDialog?I:J;if(C){l.addEvent(B,"mouseover",function(){l.addClass(I,C)},A.id);l.addEvent(B,"mouseout",function(){l.removeClass(I,C)},A.id)}if(D){l.addEvent(B,"mousedown",function(){l.addClass(I,D)},A.id);l.addEvent(m.body,"mouseup",function(){l.removeClass(I,D)},A.id)}if(A.features.triggerDialog){l.addEvent(I,"click",function(K){var y=m.getElementById(A.id+"_html5");if(y&&!y.disabled){y.click()}K.preventDefault()},A.id)}}});s.bind("PostInit",function(){var v=m.getElementById(s.settings.drop_element);if(v){if(j){l.addEvent(v,"dragenter",function(z){var y,w,x;y=m.getElementById(s.id+"_drop");if(!y){y=m.createElement("input");y.setAttribute("type","file");y.setAttribute("id",s.id+"_drop");y.setAttribute("multiple","multiple");l.addEvent(y,"change",function(){r(this.files);l.removeEvent(y,"change",s.id);y.parentNode.removeChild(y)},s.id);l.addEvent(y,"dragover",function(A){A.stopPropagation()},s.id);v.appendChild(y)}w=l.getPos(v,m.getElementById(s.settings.container));x=l.getSize(v);if(l.getStyle(v,"position")==="static"){l.extend(v.style,{position:"relative"})}l.extend(y.style,{position:"absolute",display:"block",top:0,left:0,width:x.w+"px",height:x.h+"px",opacity:0})},s.id);return}l.addEvent(v,"dragover",function(w){w.preventDefault()},s.id);l.addEvent(v,"drop",function(x){var w=x.dataTransfer;if(w&&w.files){r(w.files)}x.preventDefault()},s.id)}});s.bind("Refresh",function(v){var w,x,y,A,z;w=m.getElementById(s.settings.browse_button);if(w){x=l.getPos(w,m.getElementById(v.settings.container));y=l.getSize(w);A=m.getElementById(s.id+"_html5_container");l.extend(A.style,{top:x.y+"px",left:x.x+"px",width:y.w+"px",height:y.h+"px"});if(s.features.triggerDialog){if(l.getStyle(w,"position")==="static"){l.extend(w.style,{position:"relative"})}z=parseInt(l.getStyle(w,"zIndex"),10);if(isNaN(z)){z=0}l.extend(w.style,{zIndex:z});l.extend(A.style,{zIndex:z-1})}}});s.bind("DisableBrowse",function(v,x){var w=m.getElementById(v.id+"_html5");if(w){w.disabled=x}});s.bind("CancelUpload",function(){if(t&&t.abort){t.abort()}});s.bind("UploadFile",function(v,x){var y=v.settings,B,w;function A(D,G,C){var E;if(File.prototype.slice){try{D.slice();return D.slice(G,C)}catch(F){return D.slice(G,C-G)}}else{if(E=File.prototype.webkitSlice||File.prototype.mozSlice){return E.call(D,G,C)}else{return null}}}function z(C){var F=0,E=0;function D(){var L,P,N,O,K,M,H,G=v.settings.url;function 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FileReader();Q.onload=function(){I(Q.result);Q=null};Q.readAsBinaryString(L)}())}else{I(L)}}D()}B=d[x.id];if(q.jpgresize&&v.settings.resize&&/\.(png|jpg|jpeg)$/i.test(x.name)){e.call(v,x,v.settings.resize,/\.png$/i.test(x.name)?"image/png":"image/jpeg",function(C){if(C.success){x.size=C.data.length;z(C.data)}else{if(q.chunks){z(B)}else{n(B,z)}}})}else{if(!q.chunks&&q.jpgresize){n(B,z)}else{z(B)}}});s.bind("Destroy",function(v){var x,y,w=m.body,z={inputContainer:v.id+"_html5_container",inputFile:v.id+"_html5",browseButton:v.settings.browse_button,dropElm:v.settings.drop_element};for(x in z){y=m.getElementById(z[x]);if(y){l.removeAllEvents(y,v.id)}}l.removeAllEvents(m.body,v.id);if(v.settings.container){w=m.getElementById(v.settings.container)}w.removeChild(m.getElementById(z.inputContainer))});u({success:true})}});function b(){var t=false,r;function u(w,y){var v=t?0:-8*(y-1),z=0,x;for(x=0;x<y;x++){z|=(r.charCodeAt(w+x)<<Math.abs(v+x*8))}return z}function q(x,v,w){var 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