/*
 * imagify-gulpjs - version 0.0.1 - 2016-04-07
 * WP Media <contact@wp-media.me>
 */
"use strict";function _classCallCheck(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}var _createClass=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),ImagifyGulp=function(){function a(b){_classCallCheck(this,a),this.buffer_size=3,this.lib_url=b.lib,this.default_thumb="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACMAAAAjCAIAAACRuyQOAAACy0lEQVRIx+1XS1PTUBTuT/MB1NGF3bhyhys3Pv+Ai8pCF6Bb3bsWq8xAh8441I2TSlKwPIKQJsI40IbSV0pJ6qe3OeZ1b9PaYViQyaJzc+757j3nO985TVx5v3o+b+IS6XyQUgtrj/NqWtJmZf3lavnpl53bC2vjRLqRUV4pxqbZcnrBx3F6G2ZzTjFg879IMwWtanV7g56K1Z2RtBGRpj7IWb0a8HhqOz9O2rjHfrOD34GvWcPEruGQkhmlcFgnF7bjABVJmvA4uj4vY2VJr545/yClw/okBywaadF/m63j1gT/sNO5DbXW8t4sLtJzSQtnAme/ys/BrU9FpdIgY2R3MBLidtQ+ZRt2T9qZvQrtf/N9X5BwbEQKmSVIFGZjEGlWNojB93KbCBolDNl49nVPAIYwUs5QGAOQwCtmuuyGG5ExGhZbtM7s+5+3BGC5nyazhB8RElSAePRwRaX1u9nScadfVYjtncV1HtKDlW0KQMqvID4kCAydHST2fgKhu24B7dTaSY4oYBf2MjN44yK9+FZmRnrdCnuhr3jyB7Vr89G8L9f7oU77VSPhp4POjNarzUgv77Z/ERh+R9oUXbqDXFyktFtJ5ag74cU9cBsCwy3DNoht5Fcf0pO8ysuTt27IFzKH/Hm/Qopi5ekP99zzgkU8goF7VN21ThfM9BKHylHEPbzoQ8wUlSGoG1QVnR3Vhppj66hCtgg/Ayr3tdLXCFQ7al4ABr2gAEBHoCbQFDu+RkCvqPVBx5LCZvq2dEDsgELuDqV7rM/SfvmocfNjkYcEdV8Kdcu4Wh6QLzzoPQKtQ9DQvQL9ZYhOiCYteXougo/9UEIv9YHxKK+iZ9qenouE8QIunCMMMzxHYIIomU2ksBOaI5ZHmCO8OavEnI0K2hjmvTnevPe3bjBlTvKvMsoMi4kVAgO/qBXMGvidGu8Me/lf4yIg/QYbLcmjDg4bKwAAAABJRU5ErkJggg==",this.images=b.images,this.images_ids=Object.keys(b.images),this.total_images=this.images_ids.length,this.processed_images=0,this.inprocess_images=0,this._before=new Function,this._each=new Function,this._done=new Function,this._error=new Function,this.total_original_size=0,this.total_optimized_size=0,this.total_gain=0,this.total_percent=0,this.global_original_size=0,this.global_optimized_size=0,this.global_gain=0,this.global_percent=0,this.context=b.context||"wp"}return _createClass(a,[{key:"before",value:function(a){return this._before=a,this}},{key:"each",value:function(a){return this._each=a,this}},{key:"done",value:function(a){return this._done=a,this}},{key:"error",value:function(a){return this._error=a,this}},{key:"humanSize",value:function(a){if(0==a)return"0kb";var b=["b","kb","mb"],c=parseInt(Math.floor(Math.log(a)/Math.log(1024)));return(a/Math.pow(1024,c)).toFixed(2)+b[c]}},{key:"run",value:function(){for(var a=this.images_ids.length>this.buffer_size?this.buffer_size:this.images_ids.length,b=0;a>b;b++){var c=this.images_ids.shift();this.process(c)}return this}},{key:"process",value:function(a){this.inprocess_images++;var b={id:a,image_id:parseInt(a.toString().substr(1)),image_src:this.images[a],filename:this.images[a].split("/").pop(),thumbnail:this.default_thumb,error:""};this.createThumb(b)}},{key:"createThumb",value:function(a){var b=this,c=new Image;c.onerror=function(){var c=a;c.id=a.image_id,b._before(c),b.send(a)},c.onload=function(){var d=33,e=33,f=c.width,g=c.height,h=1,i=0,j=0,k=null,l=null;g>f?(h=d/f,j=d,i=g*h):(h=e/g,i=e,j=f*h),k=document.createElement("canvas"),k.width=j,k.height=i,c.width=j,c.height=i,l=k.getContext("2d"),l.drawImage(this,0,0,j,i);try{a.thumbnail=k.toDataURL("image/jpeg")}catch(m){a.thumbnail=b.default_thumb}var n=a;n.id=a.image_id,b._before(n),b.send(a),k=null},c.src=a.image_src}},{key:"send",value:function(a){var b=this,c=new XMLHttpRequest,d=!1,e={},f={filename:a.filename,image:a.image_id,error:""};c.onreadystatechange=function(){if(4===this.readyState){b.processed_images++;try{e=JSON.parse(this.responseText),d=!1}catch(a){f.success=!1,f.error="Unknown error occured",d=!0}if(f.progress=Math.floor(b.processed_images/b.total_images*100),!d){var c=e.data;f.success=e.success,e.success===!0?(b.total_original_size+=c.original_size,b.total_optimized_size+=c.new_size,b.total_gain+=c.original_size-c.new_size,b.total_percent=(b.total_optimized_size/b.total_original_size*100).toFixed(2),b.global_original_size+=c.original_overall_size,b.global_optimized_size+=c.new_overall_size,b.global_gain+=c.overall_saving,b.global_percent=(100-b.global_optimized_size/b.global_optimized_size*100).toFixed(2),f.original_size=c.original_size,f.original_size_human=b.humanSize(c.original_size),f.new_size=c.new_size,f.new_size_human=b.humanSize(c.new_size),f.percent=c.percent,f.thumbnails=c.thumbnails,f.overall_saving=c.overall_saving,f.overall_saving_human=b.humanSize(c.overall_saving),f.original_overall_size=c.original_overall_size,f.original_overall_size_human=b.humanSize(c.original_overall_size)):f.error=c.error}if(b._each(f),b.inprocess_images<b.total_images&&b.process(b.images_ids.shift()),b.processed_images==b.total_images){var g=0;0!=b.global_original_size&&(g=(100-100*(b.global_optimized_size/b.global_original_size)).toFixed(2)),b._done({global_original_size_human:b.humanSize(b.global_original_size),global_gain_human:b.humanSize(b.global_gain),global_percent:g})}}},c.open("POST",this.lib_url,!0),c.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),c.send("image="+a.image_id+"&context="+this.context)}}]),a}();