Gary Sharp
3 lines
11 KiB
JavaScript
3 lines
11 KiB
JavaScript
var Webcam={version:"1.0.0",protocol:location.protocol.match(/https/i)?"https":"http",swfURL:"",loaded:!1,live:!1,userMedia:!0,params:{width:0,height:0,dest_width:0,dest_height:0,image_format:"jpeg",jpeg_quality:90,force_flash:!1},hooks:{load:null,live:null,uploadcomplete:null,uploadprogress:null,error:function(n){alert("Webcam.js Error: "+n)}},init:function(){navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;window.URL=window.URL||window.webkitURL||window.mozURL||window.msURL;this.userMedia=this.userMedia&&!!navigator.getUserMedia&&!!window.URL;navigator.userAgent.match(/Firefox\D+(\d+)/)&&parseInt(RegExp.$1,10)<21&&(this.userMedia=null)},attach:function(n){var t,i,r,u,f,e;if(typeof n=="string"&&(n=document.getElementById(n)||document.querySelector(n)),!n)return this.dispatch("error","Could not locate DOM element to attach to.");this.container=n;this.params.width||(this.params.width=n.offsetWidth);this.params.height||(this.params.height=n.offsetHeight);this.params.dest_width||(this.params.dest_width=this.params.width);this.params.dest_height||(this.params.dest_height=this.params.height);this.params.force_flash&&(this.userMedia=null);this.userMedia?(t=document.createElement("video"),t.setAttribute("autoplay","autoplay"),t.style.width=""+this.params.dest_width+"px",t.style.height=""+this.params.dest_height+"px",i=this.params.width/this.params.dest_width,r=this.params.height/this.params.dest_height,(i!=1||r!=1)&&(n.style.overflow="visible",t.style.webkitTransformOrigin="0px 0px",t.style.mozTransformOrigin="0px 0px",t.style.msTransformOrigin="0px 0px",t.style.oTransformOrigin="0px 0px",t.style.transformOrigin="0px 0px",t.style.webkitTransform="scaleX("+i+") scaleY("+r+")",t.style.mozTransform="scaleX("+i+") scaleY("+r+")",t.style.msTransform="scaleX("+i+") scaleY("+r+")",t.style.oTransform="scaleX("+i+") scaleY("+r+")",t.style.transform="scaleX("+i+") scaleY("+r+")"),n.appendChild(t),this.video=t,u=document.createElement("canvas"),u.width=this.params.dest_width,u.height=this.params.dest_height,f=u.getContext("2d"),this.context=f,this.canvas=u,e=this,navigator.getUserMedia({audio:!1,video:!0},function(n){t.src=window.URL.createObjectURL(n)||n;Webcam.stream=n;Webcam.loaded=!0;Webcam.live=!0;Webcam.dispatch("load");Webcam.dispatch("live")},function(){return e.dispatch("error","Could not access webcam.")})):n.innerHTML=this.getSWFHTML()},reset:function(){if(this.userMedia){try{this.stream.stop()}catch(n){}delete this.stream;delete this.canvas;delete this.context;delete this.video}this.container.innerHTML="";delete this.container;this.loaded=!1;this.live=!1},set:function(){if(arguments.length==1)for(var n in arguments[0])this.params[n]=arguments[0][n];else this.params[arguments[0]]=arguments[1]},on:function(n,t){if(n=n.replace(/^on/i,"").toLowerCase(),typeof this.hooks[n]=="undefined")throw"Event type not supported: "+n;this.hooks[n]=t},dispatch:function(){var n=arguments[0].replace(/^on/i,"").toLowerCase(),t=Array.prototype.slice.call(arguments,1);return this.hooks[n]?(typeof this.hooks[n]=="function"?this.hooks[n].apply(this,t):typeof this.hooks[n]=="array"?this.hooks[n][0][this.hooks[n][1]].apply(this.hooks[n][0],t):window[this.hooks[n]]&&window[this.hooks[n]].apply(window,t),!0):!1},setSWFLocation:function(n){this.swfURL=n},getSWFHTML:function(){var i,u,t,f,r,n,e;if(location.protocol.match(/file/))return'<h1 style="color:red">Sorry, the Webcam.js Flash fallback does not work from local disk. Please upload it to a web server first.<\/h1>';if(!this.swfURL){for(i="",u=document.getElementsByTagName("script"),t=0,f=u.length;t<f;t++)r=u[t].getAttribute("src"),r&&r.match(/\/webcam(\.min)?\.js/)&&(i=r.replace(/\/webcam(\.min)?\.js.*$/,""),t=f);this.swfURL=i?i+"/webcam.swf":"webcam.swf"}window.localStorage&&!localStorage.getItem("visited")&&(this.params.new_user=1,localStorage.setItem("visited",1));n="";for(e in this.params)n&&(n+="&"),n+=e+"="+escape(this.params[e]);return""+('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="'+this.protocol+'://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+this.params.width+'" height="'+this.params.height+'" id="webcam_movie_obj" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+this.swfURL+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+n+'"/><embed id="webcam_movie_embed" src="'+this.swfURL+'" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+this.params.width+'" height="'+this.params.height+'" name="webcam_movie_embed" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+n+'"><\/embed><\/object>')},getMovie:function(){if(!this.loaded)return this.dispatch("error","Flash Movie is not loaded yet");var n=document.getElementById("webcam_movie_obj");return n&&n._snap||(n=document.getElementById("webcam_movie_embed")),n||this.dispatch("error","Cannot locate Flash movie in DOM"),n},snap:function(){if(!this.loaded)return this.dispatch("error","Webcam is not loaded yet");if(!this.live)return this.dispatch("error","Webcam is not live yet");if(this.userMedia)return this.context.drawImage(this.video,0,0,this.params.dest_width,this.params.dest_height),this.canvas.toDataURL("image/"+this.params.image_format,this.params.jpeg_quality/100);var n=this.getMovie()._snap();return"data:image/"+this.params.image_format+";base64,"+n},configure:function(n){n||(n="camera");this.getMovie()._configure(n)},flashNotify:function(n,t){switch(n){case"flashLoadComplete":this.loaded=!0;this.dispatch("load");break;case"cameraLive":this.live=!0;this.dispatch("live");break;case"error":this.dispatch("error",t)}},b64ToUint6:function(n){return n>64&&n<91?n-65:n>96&&n<123?n-71:n>47&&n<58?n+4:n===43?62:n===47?63:0},base64DecToArr:function(n,t){for(var s=n.replace(/[^A-Za-z0-9\+\/]/g,""),r=s.length,h=t?Math.ceil((r*3+1>>2)/t)*t:r*3+1>>2,c=new Uint8Array(h),u,f,e=0,o=0,i=0;i<r;i++)if(f=i&3,e|=this.b64ToUint6(s.charCodeAt(i))<<18-6*f,f===3||r-i==1){for(u=0;u<3&&o<h;u++,o++)c[o]=e>>>(16>>>u&24)&255;e=0}return c},upload:function(n,t,i){var f,u,o,r,s,e;if(i)Webcam.on("uploadComplete",i);if(f="webcam",u="",n.match(/^data\:image\/(\w+)/))u=RegExp.$1;else throw"Cannot locate image format in Data URI";o=n.replace(/^data\:image\/\w+\;base64\,/,"");r=new XMLHttpRequest;r.open("POST",t,!0);r.upload&&r.upload.addEventListener&&r.upload.addEventListener("progress",function(n){if(n.lengthComputable){var t=n.loaded/n.total;Webcam.dispatch("uploadProgress",t,n)}},!1);r.onload=function(){Webcam.dispatch("uploadComplete",r.status,r.responseText,r.statusText)};s=new Blob([this.base64DecToArr(o)],{type:"image/"+u});e=new FormData;e.append(f,s,f+"."+u.replace(/e/,""));r.send(e)}};Webcam.init(),function(n,t,i,r){"use strict";var u=function(u,f,e){var o=this;if(o.uploadUrl=u,o.dropTarget=f,o.uploadProgressContainer=e,o._uploadFilesInput=null,o.uploadFiles=function(){!o._uploadFilesInput||o._uploadFilesInput.remove();o._uploadFilesInput=i("<input>");o._uploadFilesInput.attr({type:"file",multiple:"multiple",title:"Disco File Uploading"}).hide().change(function(n){var t=n.target.files;!!t&&t.length>0&&o._uploadFiles(t);o._uploadFilesInput.remove()}).appendTo(o.uploadProgressContainer).click()},!!o.dropTarget){var c=i(t),s=!1,h=null;c.on("dragover",function(){o.dropTarget.addClass("dragHighlight");o.dropTarget.removeClass("dragHover");s=!1});c.on("dragleave",function(){!h||n.clearInterval(h);s=!0;n.setTimeout(function(){s&&o.dropTarget.removeClass("dragHighlight");h=null},200)});o.dropTarget.on("dragover",function(n){n.stopPropagation();n.preventDefault();o.dropTarget.addClass("dragHover");s=!1;n.originalEvent.dataTransfer.dropEffect="copy"});o.dropTarget.on("drop",function(n){n.stopPropagation();n.preventDefault();s=!0;o.dropTarget.removeClass("dragHighlight");var t=n.originalEvent.dataTransfer.files;o._uploadFiles(t)})}return o.uploadImage=function(){function s(){var n=r.snap();o._uploadImage(n)}var u=720,f=540,t=i("<div>").attr({id:"Disco_AttachmentUpload_ImageDialog",title:"Upload Image","class":"dialog Disco-AttachmentUpload-ImageDialog"}),e;t.dialog({autoOpen:!0,draggable:!1,modal:!0,resizable:!1,width:u,height:f,close:function(){r.reset();n.setTimeout(function(){t.dialog("destroy")},1)}}).closest(".ui-dialog").children(".ui-dialog-titlebar").css("border-bottom","none");e=[{text:"Capture",click:s}];r.set({width:u,height:f,dest_width:u*1.5,dest_height:f*1.5,jpeg_quality:95});r.setSWFLocation("/ClientSource/Scripts/Modules/Disco-AttachmentUploader/webcam.swf");r.on("error",function(n){alert(n);t.dialog("close")});r.on("live",function(){t.dialog("option","buttons",e);t.closest(".ui-dialog").children(".ui-dialog-buttonpane").css("margin-top",0).find(".ui-button:first").focus()});r.attach(t.attr("id"))},o.getFileComments=function(n,t,r){var f=!1,u=i("<div>").attr({title:"Upload File","class":"dialog Disco-AttachmentUpload-CommentDialog"}),e,o,s;u.html('<table><tr><th>File Name:<\/th><td class="filename"><\/td><\/tr><tr><th>Comments:<\/th><td><input class="comments" type="text"><\/input><\/td><\/tr><tr><td class="thumbnail" colspan="2"><img /><\/td><\/tr><\/table>');!t||(e=u.find("td.thumbnail"),o=e.find("img"),t(o)&&e.show());u.find("td.filename").text(n).attr("title",n);s=u.find("input.comments").keypress(function(n){n.which===13&&(f=!0,u.dialog("close"))});u.dialog({resizable:!1,width:400,modal:!0,autoOpen:!0,buttons:{Upload:function(){f=!0;u.dialog("close")},Cancel:function(){u.dialog("close")}},close:function(){var n=s.val();u.dialog("destroy").remove();r(f,n)}})},o._uploadImage=function(n){o._hideFlashVideoOverlay()&&i("#webcam_movie_obj, #webcam_movie_embed").css("display","none");var u=n.replace(/^data\:image\/\w+\;base64\,/,""),f=new Blob([r.base64DecToArr(u)],{type:"image/jpeg"}),t="CapturedImage-"+moment().format("YYYYMMDD-HHmmss")+".jpg";o.getFileComments(t,function(t){return t.attr("src",n),!0},function(n,r){(o._hideFlashVideoOverlay()&&i("#webcam_movie_obj, #webcam_movie_embed").css("display",""),n)&&o._uploadFile(f,t,r)})},o._uploadFiles=function(n){var t=i.makeArray(n),r=function(){if(t&&t.length!==0){var n=t.shift();o.getFileComments(n.name,function(t){if(!!n.type&&n.type.indexOf("image/")===0){var i=new FileReader;return i.onload=function(n){t.attr("src",n.target.result)},i.readAsDataURL(n),!0}return!1},function(t,i){t&&(o._uploadFile(n,n.name,i),r())})}};r()},o._uploadFile=function(n,t,r){var f=new FormData,u=new XMLHttpRequest,e=i("<div>").append(i("<i>").addClass("fa fa-cog fa-spin")).append(i("<span>").text("Uploading: "+t)).appendTo(o.uploadProgressContainer);f.append("Comments",r);f.append("File",n,t);u.open("POST",o.uploadUrl,!0);u.onreadystatechange=function(){u.readyState===4&&(u.status!==200&&alert("Error Uploading ["+t+"]: "+u.statusText),e.slideUp(400,function(){e.remove()}))};u.send(f)},o.__hideFlashVideoOverlay=null,o._hideFlashVideoOverlay=function(){if(o.__hideFlashVideoOverlay===null){o.__hideFlashVideoOverlay=!1;try{var n=/(windows nt) ([\w.]+)/.exec(navigator.userAgent.toLowerCase());!!n&&parseFloat(n[2])<=6.2&&(o.__hideFlashVideoOverlay=!0)}catch(t){}}return o.__hideFlashVideoOverlay},o};t.Disco||(t.Disco={});t.Disco.AttachmentUploader=u}(this,document,$,Webcam);
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