swipe.min.js

/*
 * Swipe 1.0
 *
 * Brad Birdsall, Prime
 * Copyright 2011, Licensed GPL & MIT
 *
*/
window.Swipe=function(a,b){if(!a)return null;var c=this;this.options=b||{},this.index=this.options.startSlide||0,this.speed=this.options.speed||300,this.callback=this.options.callback||function(){},this.delay=this.options.auto||0,this.container=a,this.element=this.container.children[0],this.container.style.overflow="hidden",this.element.style.listStyle="none",this.setup(),this.begin(),this.element.addEventListener&&(this.element.addEventListener("touchstart",this,!1),this.element.addEventListener("touchmove",this,!1),this.element.addEventListener("touchend",this,!1),this.element.addEventListener("webkitTransitionEnd",this,!1),this.element.addEventListener("msTransitionEnd",this,!1),this.element.addEventListener("oTransitionEnd",this,!1),this.element.addEventListener("transitionend",this,!1),window.addEventListener("resize",this,!1))},Swipe.prototype={setup:function(){this.slides=this.element.children,this.length=this.slides.length;if(this.length<2)return null;this.width=this.container.getBoundingClientRect().width;if(!this.width)return null;this.container.style.visibility="hidden",this.element.style.width=this.slides.length*this.width+"px";var a=this.slides.length;while(a--){var b=this.slides[a];b.style.width=this.width+"px",b.style.display="table-cell",b.style.verticalAlign="top"}this.slide(this.index,0),this.container.style.visibility="visible"},slide:function(a,b){var c=this.element.style;c.webkitTransitionDuration=c.MozTransitionDuration=c.msTransitionDuration=c.OTransitionDuration=c.transitionDuration=b+"ms",c.webkitTransform="translate3d("+ -(a*this.width)+"px,0,0)",c.msTransform=c.MozTransform=c.OTransform="translateX("+ -(a*this.width)+"px)",this.index=a},getPos:function(){return this.index},prev:function(a){this.delay=a||0,clearTimeout(this.interval),this.index&&this.slide(this.index-1,this.speed)},next:function(a){this.delay=a||0,clearTimeout(this.interval),this.index<this.length-1?this.slide(this.index+1,this.speed):this.slide(0,this.speed)},begin:function(){var a=this;this.interval=this.delay?setTimeout(function(){a.next(a.delay)},this.delay):0},stop:function(){this.delay=0,clearTimeout(this.interval)},resume:function(){this.delay=this.options.auto||0,this.begin()},handleEvent:function(a){switch(a.type){case"touchstart":this.onTouchStart(a);break;case"touchmove":this.onTouchMove(a);break;case"touchend":this.onTouchEnd(a);break;case"webkitTransitionEnd":case"msTransitionEnd":case"oTransitionEnd":case"transitionend":this.transitionEnd(a);break;case"resize":this.setup()}},transitionEnd:function(a){this.delay&&this.begin(),this.callback(a,this.index,this.slides[this.index])},onTouchStart:function(a){this.start={pageX:a.touches[0].pageX,pageY:a.touches[0].pageY,time:Number(new Date)},this.isScrolling=undefined,this.deltaX=0,this.element.style.webkitTransitionDuration=0},onTouchMove:function(a){if(a.touches.length>1||a.scale&&a.scale!==1)return;this.deltaX=a.touches[0].pageX-this.start.pageX,typeof this.isScrolling=="undefined"&&(this.isScrolling=!!(this.isScrolling||Math.abs(this.deltaX)<Math.abs(a.touches[0].pageY-this.start.pageY))),this.isScrolling||(a.preventDefault(),clearTimeout(this.interval),this.deltaX=this.deltaX/(!this.index&&this.deltaX>0||this.index==this.length-1&&this.deltaX<0?Math.abs(this.deltaX)/this.width+1:1),this.element.style.webkitTransform="translate3d("+(this.deltaX-this.index*this.width)+"px,0,0)")},onTouchEnd:function(a){var b=Number(new Date)-this.start.time<250&&Math.abs(this.deltaX)>20||Math.abs(this.deltaX)>this.width/2,c=!this.index&&this.deltaX>0||this.index==this.length-1&&this.deltaX<0;this.isScrolling||this.slide(this.index+(b&&!c?this.deltaX<0?1:-1:0),this.speed)}}