From 374a74926bba91f2beb106eb0b628edfa9f31957 Mon Sep 17 00:00:00 2001
From: Mike Greiling <mike@pixelcog.com>
Date: Thu, 29 Jan 2015 03:40:08 -0600
Subject: [PATCH] clean up some unused variables and compress the minified
 script

---
 parallax.js     | 22 ++++++++++------------
 parallax.min.js |  2 +-
 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/parallax.js b/parallax.js
index b43c972..5af6f7b 100755
--- a/parallax.js
+++ b/parallax.js
@@ -19,7 +19,7 @@
     }
 
     if (!window.requestAnimationFrame)
-      window.requestAnimationFrame = function(callback, element) {
+      window.requestAnimationFrame = function(callback) {
         var currTime = new Date().getTime();
         var timeToCall = Math.max(0, 16 - (currTime - lastTime));
         var id = window.setTimeout(function() { callback(currTime + timeToCall); },
@@ -37,9 +37,6 @@
 
   // Parallax Constructor
 
-  var $body = $('body');
-  var $window = $(window);
-
   function Parallax(element, options) {
     var self = this;
 
@@ -263,19 +260,20 @@
     setup: function() {
       if (this.isReady) return;
 
-      $window
-        .on('scroll.px.parallax load.px.parallax', function() {
+      var $doc = $(document), $win = $(window);
+
+      $win.on('scroll.px.parallax load.px.parallax', function() {
           var scrollTopMax  = Parallax.docHeight - Parallax.winHeight;
           var scrollLeftMax = Parallax.docWidth  - Parallax.winWidth;
-          Parallax.scrollTop  = Math.max(0, Math.min(scrollTopMax, $window.scrollTop()));
-          Parallax.scrollLeft = Math.max(0, Math.min(scrollLeftMax, $window.scrollLeft()));
+          Parallax.scrollTop  = Math.max(0, Math.min(scrollTopMax,  $win.scrollTop()));
+          Parallax.scrollLeft = Math.max(0, Math.min(scrollLeftMax, $win.scrollLeft()));
           Parallax.requestRender();
         })
         .on('resize.px.parallax load.px.parallax', function() {
-          Parallax.winHeight = $window.height();
-          Parallax.winWidth  = $window.width();
-          Parallax.docHeight = $(document).height();
-          Parallax.docWidth  = $(document).width();
+          Parallax.winHeight = $win.height();
+          Parallax.winWidth  = $win.width();
+          Parallax.docHeight = $doc.height();
+          Parallax.docWidth  = $doc.width();
           Parallax.isFresh = false;
           Parallax.requestRender();
         });
diff --git a/parallax.min.js b/parallax.min.js
index d7d9e85..0a209e9 100644
--- a/parallax.min.js
+++ b/parallax.min.js
@@ -3,4 +3,4 @@
  * @copyright 2014 PixelCog, Inc.
  * @license MIT (https://github.com/pixelcog/parallax.js/blob/master/LICENSE)
  */
-(function($,window,document,undefined){(function(){var lastTime=0;var vendors=["ms","moz","webkit","o"];for(var x=0;x<vendors.length&&!window.requestAnimationFrame;++x){window.requestAnimationFrame=window[vendors[x]+"RequestAnimationFrame"];window.cancelAnimationFrame=window[vendors[x]+"CancelAnimationFrame"]||window[vendors[x]+"CancelRequestAnimationFrame"]}if(!window.requestAnimationFrame)window.requestAnimationFrame=function(callback,element){var currTime=(new Date).getTime();var timeToCall=Math.max(0,16-(currTime-lastTime));var id=window.setTimeout(function(){callback(currTime+timeToCall)},timeToCall);lastTime=currTime+timeToCall;return id};if(!window.cancelAnimationFrame)window.cancelAnimationFrame=function(id){clearTimeout(id)}})();var $body=$("body");var $window=$(window);function Parallax(element,options){var self=this;if(typeof options=="object"){delete options.refresh;delete options.render;$.extend(this,options)}this.$element=$(element);if(!this.imageSrc&&this.$element.is("img")){this.imageSrc=this.$element.attr("src")}var positions=(this.position+"").toLowerCase().match(/\S+/g)||[];if(positions.length<1){positions.push("center")}if(positions.length==1){positions.push(positions[0])}if(positions[0]=="top"||positions[0]=="bottom"||positions[1]=="left"||positions[1]=="right"){self.positionX=positions[1];self.positionY=positions[0]}else{self.positionX=positions[0];self.positionY=positions[1]}if(this.positionX!=undefined)positions[0]=this.positionX.toLowerCase();if(this.positionY!=undefined)positions[1]=this.positionY.toLowerCase();if(this.positionX!="left"&&this.positionX!="right"){if(isNaN(parseInt(this.positionX))){this.positionX="center"}else{this.positionX=parseInt(this.positionX)}}if(this.positionY!="top"&&this.positionY!="bottom"){if(isNaN(parseInt(this.positionY))){this.positionY="center"}else{this.positionY=parseInt(this.positionY)}}this.position=this.positionX+(isNaN(this.positionX)?"":"px")+" "+this.positionY+(isNaN(this.positionY)?"":"px");if(navigator.userAgent.match(/(iPod|iPhone|iPad)/)){if(this.iosFix&&!this.$element.is("img")){this.$element.css({backgroundImage:"url("+this.imageSrc+")",backgroundSize:"cover",backgroundPosition:this.position})}return this}if(navigator.userAgent.match(/(Android)/)){if(this.androidFix&&!this.$element.is("img")){this.$element.css({backgroundImage:"url("+this.imageSrc+")",backgroundSize:"cover",backgroundPosition:this.position})}return this}this.$mirror=$("<div />").prependTo("body");this.$slider=$("<img />").prependTo(this.$mirror);this.$mirror.addClass("parallax-mirror").css({visibility:"hidden",zIndex:this.zIndex,position:"fixed",top:0,left:0,overflow:"hidden"});this.$slider.addClass("parallax-slider").one("load",function(){if(!self.naturalHeight||!self.naturalWidth){self.naturalHeight=this.naturalHeight||this.height||1;self.naturalWidth=this.naturalWidth||this.width||1}self.aspectRatio=self.naturalWidth/self.naturalHeight;Parallax.isSetup||Parallax.setup();Parallax.sliders.push(self);Parallax.isFresh=false;Parallax.requestRender()});this.$slider[0].src=this.imageSrc;if(this.naturalHeight&&this.naturalWidth||this.$slider[0].complete){this.$slider.trigger("load")}}$.extend(Parallax.prototype,{speed:.2,bleed:0,zIndex:-100,iosFix:true,androidFix:true,position:"center",refresh:function(){this.boxWidth=this.$element.outerWidth();this.boxHeight=this.$element.outerHeight()+this.bleed*2;this.boxOffsetTop=this.$element.offset().top-this.bleed;this.boxOffsetLeft=this.$element.offset().left;this.boxOffsetBottom=this.boxOffsetTop+this.boxHeight;var winHeight=Parallax.winHeight;var docHeight=Parallax.docHeight;var maxOffset=Math.min(this.boxOffsetTop,docHeight-winHeight);var minOffset=Math.max(this.boxOffsetTop+this.boxHeight-winHeight,0);var imageHeightMin=this.boxHeight+(maxOffset-minOffset)*(1-this.speed)|0;var imageOffsetMin=(this.boxOffsetTop-maxOffset)*(1-this.speed)|0;if(imageHeightMin*this.aspectRatio>=this.boxWidth){this.imageWidth=imageHeightMin*this.aspectRatio|0;this.imageHeight=imageHeightMin;this.offsetBaseTop=imageOffsetMin;var margin=this.imageWidth-this.boxWidth;if(this.positionX=="left"){this.offsetLeft=0}else if(this.positionX=="right"){this.offsetLeft=-margin}else if(!isNaN(this.positionX)){this.offsetLeft=Math.max(this.positionX,-margin)}else{this.offsetLeft=-margin/2|0}}else{this.imageWidth=this.boxWidth;this.imageHeight=this.boxWidth/this.aspectRatio|0;this.offsetLeft=0;var margin=this.imageHeight-imageHeightMin;if(this.positionY=="top"){this.offsetBaseTop=imageOffsetMin}else if(this.positionY=="bottom"){this.offsetBaseTop=imageOffsetMin-margin}else if(!isNaN(this.positionY)){this.offsetBaseTop=imageOffsetMin+Math.max(this.positionY,-margin)}else{this.offsetBaseTop=imageOffsetMin-margin/2|0}}},render:function(){var scrollTop=Parallax.scrollTop;var scrollLeft=Parallax.scrollLeft;var scrollBottom=scrollTop+Parallax.winHeight;if(this.boxOffsetBottom>scrollTop&&this.boxOffsetTop<scrollBottom){this.visibility="visible"}else{this.visibility="hidden"}this.mirrorTop=this.boxOffsetTop-scrollTop;this.mirrorLeft=this.boxOffsetLeft-scrollLeft;this.offsetTop=this.offsetBaseTop-this.mirrorTop*(1-this.speed);this.$mirror.css({transform:"translate3d(0px, 0px, 0px)",visibility:this.visibility,top:this.mirrorTop,left:this.mirrorLeft,height:this.boxHeight,width:this.boxWidth});this.$slider.css({transform:"translate3d(0px, 0px, 0px)",position:"absolute",top:this.offsetTop,left:this.offsetLeft,height:this.imageHeight,width:this.imageWidth})}});$.extend(Parallax,{scrollTop:0,scrollLeft:0,winHeight:0,winWidth:0,docHeight:1<<30,docWidth:1<<30,sliders:[],isReady:false,isFresh:false,isBusy:false,setup:function(){if(this.isReady)return;$window.on("scroll.px.parallax load.px.parallax",function(){var scrollTopMax=Parallax.docHeight-Parallax.winHeight;var scrollLeftMax=Parallax.docWidth-Parallax.winWidth;Parallax.scrollTop=Math.max(0,Math.min(scrollTopMax,$window.scrollTop()));Parallax.scrollLeft=Math.max(0,Math.min(scrollLeftMax,$window.scrollLeft()));Parallax.requestRender()}).on("resize.px.parallax load.px.parallax",function(){Parallax.winHeight=$window.height();Parallax.winWidth=$window.width();Parallax.docHeight=$(document).height();Parallax.docWidth=$(document).width();Parallax.isFresh=false;Parallax.requestRender()});this.isReady=true},configure:function(options){if(typeof options=="object"){delete options.refresh;delete options.render;$.extend(this.prototype,options)}},refresh:function(){$.each(this.sliders,function(){this.refresh()});this.isFresh=true},render:function(){this.isFresh||this.refresh();$.each(this.sliders,function(){this.render()})},requestRender:function(){var self=this;if(!this.isBusy){this.isBusy=true;window.requestAnimationFrame(function(){self.render();self.isBusy=false})}}});function Plugin(option){return this.each(function(){var $this=$(this);var options=typeof option=="object"&&option;if(this==window||this==document||$this.is("body")){Parallax.configure(options)}else if(!$this.data("px.parallax")){options=$.extend({},$this.data(),options);$this.data("px.parallax",new Parallax(this,options))}if(typeof option=="string"){Parallax[option]()}})}var old=$.fn.parallax;$.fn.parallax=Plugin;$.fn.parallax.Constructor=Parallax;$.fn.parallax.noConflict=function(){$.fn.parallax=old;return this};$(document).on("ready.px.parallax.data-api",function(){$('[data-parallax="scroll"]').parallax()})})(jQuery,window,document);
\ No newline at end of file
+!function(t,i,e,s){function o(i,e){var h=this;"object"==typeof e&&(delete e.refresh,delete e.render,t.extend(this,e)),this.$element=t(i),!this.imageSrc&&this.$element.is("img")&&(this.imageSrc=this.$element.attr("src"));var n=(this.position+"").toLowerCase().match(/\S+/g)||[];return n.length<1&&n.push("center"),1==n.length&&n.push(n[0]),"top"==n[0]||"bottom"==n[0]||"left"==n[1]||"right"==n[1]?(h.positionX=n[1],h.positionY=n[0]):(h.positionX=n[0],h.positionY=n[1]),this.positionX!=s&&(n[0]=this.positionX.toLowerCase()),this.positionY!=s&&(n[1]=this.positionY.toLowerCase()),"left"!=this.positionX&&"right"!=this.positionX&&(this.positionX=isNaN(parseInt(this.positionX))?"center":parseInt(this.positionX)),"top"!=this.positionY&&"bottom"!=this.positionY&&(this.positionY=isNaN(parseInt(this.positionY))?"center":parseInt(this.positionY)),this.position=this.positionX+(isNaN(this.positionX)?"":"px")+" "+this.positionY+(isNaN(this.positionY)?"":"px"),navigator.userAgent.match(/(iPod|iPhone|iPad)/)?(this.iosFix&&!this.$element.is("img")&&this.$element.css({backgroundImage:"url("+this.imageSrc+")",backgroundSize:"cover",backgroundPosition:this.position}),this):navigator.userAgent.match(/(Android)/)?(this.androidFix&&!this.$element.is("img")&&this.$element.css({backgroundImage:"url("+this.imageSrc+")",backgroundSize:"cover",backgroundPosition:this.position}),this):(this.$mirror=t("<div />").prependTo("body"),this.$slider=t("<img />").prependTo(this.$mirror),this.$mirror.addClass("parallax-mirror").css({visibility:"hidden",zIndex:this.zIndex,position:"fixed",top:0,left:0,overflow:"hidden"}),this.$slider.addClass("parallax-slider").one("load",function(){h.naturalHeight&&h.naturalWidth||(h.naturalHeight=this.naturalHeight||this.height||1,h.naturalWidth=this.naturalWidth||this.width||1),h.aspectRatio=h.naturalWidth/h.naturalHeight,o.isSetup||o.setup(),o.sliders.push(h),o.isFresh=!1,o.requestRender()}),this.$slider[0].src=this.imageSrc,void((this.naturalHeight&&this.naturalWidth||this.$slider[0].complete)&&this.$slider.trigger("load")))}function h(s){return this.each(function(){var h=t(this),n="object"==typeof s&&s;this==i||this==e||h.is("body")?o.configure(n):h.data("px.parallax")||(n=t.extend({},h.data(),n),h.data("px.parallax",new o(this,n))),"string"==typeof s&&o[s]()})}!function(){for(var t=0,e=["ms","moz","webkit","o"],s=0;s<e.length&&!i.requestAnimationFrame;++s)i.requestAnimationFrame=i[e[s]+"RequestAnimationFrame"],i.cancelAnimationFrame=i[e[s]+"CancelAnimationFrame"]||i[e[s]+"CancelRequestAnimationFrame"];i.requestAnimationFrame||(i.requestAnimationFrame=function(e){var s=(new Date).getTime(),o=Math.max(0,16-(s-t)),h=i.setTimeout(function(){e(s+o)},o);return t=s+o,h}),i.cancelAnimationFrame||(i.cancelAnimationFrame=function(t){clearTimeout(t)})}(),t.extend(o.prototype,{speed:.2,bleed:0,zIndex:-100,iosFix:!0,androidFix:!0,position:"center",refresh:function(){this.boxWidth=this.$element.outerWidth(),this.boxHeight=this.$element.outerHeight()+2*this.bleed,this.boxOffsetTop=this.$element.offset().top-this.bleed,this.boxOffsetLeft=this.$element.offset().left,this.boxOffsetBottom=this.boxOffsetTop+this.boxHeight;var t=o.winHeight,i=o.docHeight,e=Math.min(this.boxOffsetTop,i-t),s=Math.max(this.boxOffsetTop+this.boxHeight-t,0),h=this.boxHeight+(e-s)*(1-this.speed)|0,n=(this.boxOffsetTop-e)*(1-this.speed)|0;if(h*this.aspectRatio>=this.boxWidth){this.imageWidth=h*this.aspectRatio|0,this.imageHeight=h,this.offsetBaseTop=n;var r=this.imageWidth-this.boxWidth;this.offsetLeft="left"==this.positionX?0:"right"==this.positionX?-r:isNaN(this.positionX)?-r/2|0:Math.max(this.positionX,-r)}else{this.imageWidth=this.boxWidth,this.imageHeight=this.boxWidth/this.aspectRatio|0,this.offsetLeft=0;var r=this.imageHeight-h;this.offsetBaseTop="top"==this.positionY?n:"bottom"==this.positionY?n-r:isNaN(this.positionY)?n-r/2|0:n+Math.max(this.positionY,-r)}},render:function(){var t=o.scrollTop,i=o.scrollLeft,e=t+o.winHeight;this.visibility=this.boxOffsetBottom>t&&this.boxOffsetTop<e?"visible":"hidden",this.mirrorTop=this.boxOffsetTop-t,this.mirrorLeft=this.boxOffsetLeft-i,this.offsetTop=this.offsetBaseTop-this.mirrorTop*(1-this.speed),this.$mirror.css({transform:"translate3d(0px, 0px, 0px)",visibility:this.visibility,top:this.mirrorTop,left:this.mirrorLeft,height:this.boxHeight,width:this.boxWidth}),this.$slider.css({transform:"translate3d(0px, 0px, 0px)",position:"absolute",top:this.offsetTop,left:this.offsetLeft,height:this.imageHeight,width:this.imageWidth})}}),t.extend(o,{scrollTop:0,scrollLeft:0,winHeight:0,winWidth:0,docHeight:1<<30,docWidth:1<<30,sliders:[],isReady:!1,isFresh:!1,isBusy:!1,setup:function(){if(!this.isReady){var s=t(e),h=t(i);h.on("scroll.px.parallax load.px.parallax",function(){var t=o.docHeight-o.winHeight,i=o.docWidth-o.winWidth;o.scrollTop=Math.max(0,Math.min(t,h.scrollTop())),o.scrollLeft=Math.max(0,Math.min(i,h.scrollLeft())),o.requestRender()}).on("resize.px.parallax load.px.parallax",function(){o.winHeight=h.height(),o.winWidth=h.width(),o.docHeight=s.height(),o.docWidth=s.width(),o.isFresh=!1,o.requestRender()}),this.isReady=!0}},configure:function(i){"object"==typeof i&&(delete i.refresh,delete i.render,t.extend(this.prototype,i))},refresh:function(){t.each(this.sliders,function(){this.refresh()}),this.isFresh=!0},render:function(){this.isFresh||this.refresh(),t.each(this.sliders,function(){this.render()})},requestRender:function(){var t=this;this.isBusy||(this.isBusy=!0,i.requestAnimationFrame(function(){t.render(),t.isBusy=!1}))}});var n=t.fn.parallax;t.fn.parallax=h,t.fn.parallax.Constructor=o,t.fn.parallax.noConflict=function(){return t.fn.parallax=n,this},t(e).on("ready.px.parallax.data-api",function(){t('[data-parallax="scroll"]').parallax()})}(jQuery,window,document);
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