/*
* touchSwipe - jQuery Plugin
* https://github.com/mattbryson/TouchSwipe-Jquery-Plugin
* http://labs.skinkers.com/touchSwipe/
* http://plugins.jquery.com/project/touchSwipe
*
* Copyright (c) 2010 Matt Bryson (www.skinkers.com)
* Dual licensed under the MIT or GPL Version 2 licenses.
*
* $version: 1.3.3
*/

(function(g){function P(c){if(c&&void 0===c.allowPageScroll&&(void 0!==c.swipe||void 0!==c.swipeStatus))c.allowPageScroll=G;c||(c={});c=g.extend({},g.fn.swipe.defaults,c);return this.each(function(){var b=g(this),f=b.data(w);f||(f=new W(this,c),b.data(w,f))})}function W(c,b){var f,p,r,s;function H(a){var a=a.originalEvent,c,Q=n?a.touches[0]:a;d=R;n?h=a.touches.length:a.preventDefault();i=0;j=null;k=0;!n||h===b.fingers||b.fingers===x?(r=f=Q.pageX,s=p=Q.pageY,y=(new Date).getTime(),b.swipeStatus&&(c= l(a,d))):t(a);if(!1===c)return d=m,l(a,d),c;e.bind(I,J);e.bind(K,L)}function J(a){a=a.originalEvent;if(!(d===q||d===m)){var c,e=n?a.touches[0]:a;f=e.pageX;p=e.pageY;u=(new Date).getTime();j=S();n&&(h=a.touches.length);d=z;var e=a,g=j;if(b.allowPageScroll===G)e.preventDefault();else{var o=b.allowPageScroll===T;switch(g){case v:(b.swipeLeft&&o||!o&&b.allowPageScroll!=M)&&e.preventDefault();break;case A:(b.swipeRight&&o||!o&&b.allowPageScroll!=M)&&e.preventDefault();break;case B:(b.swipeUp&&o||!o&&b.allowPageScroll!= N)&&e.preventDefault();break;case C:(b.swipeDown&&o||!o&&b.allowPageScroll!=N)&&e.preventDefault()}}h===b.fingers||b.fingers===x||!n?(i=U(),k=u-y,b.swipeStatus&&(c=l(a,d,j,i,k)),b.triggerOnTouchEnd||(e=!(b.maxTimeThreshold?!(k>=b.maxTimeThreshold):1),!0===D()?(d=q,c=l(a,d)):e&&(d=m,l(a,d)))):(d=m,l(a,d));!1===c&&(d=m,l(a,d))}}function L(a){a=a.originalEvent;a.preventDefault();u=(new Date).getTime();i=U();j=S();k=u-y;if(b.triggerOnTouchEnd||!1===b.triggerOnTouchEnd&&d===z)if(d=q,(h===b.fingers||b.fingers=== x||!n)&&0!==f){var c=!(b.maxTimeThreshold?!(k>=b.maxTimeThreshold):1);if((!0===D()||null===D())&&!c)l(a,d);else if(c||!1===D())d=m,l(a,d)}else d=m,l(a,d);else d===z&&(d=m,l(a,d));e.unbind(I,J,!1);e.unbind(K,L,!1)}function t(){y=u=p=f=s=r=h=0}function l(a,c){var d=void 0;b.swipeStatus&&(d=b.swipeStatus.call(e,a,c,j||null,i||0,k||0,h));if(c===m&&b.click&&(1===h||!n)&&(isNaN(i)||0===i))d=b.click.call(e,a,a.target);if(c==q)switch(b.swipe&&(d=b.swipe.call(e,a,j,i,k,h)),j){case v:b.swipeLeft&&(d=b.swipeLeft.call(e, a,j,i,k,h));break;case A:b.swipeRight&&(d=b.swipeRight.call(e,a,j,i,k,h));break;case B:b.swipeUp&&(d=b.swipeUp.call(e,a,j,i,k,h));break;case C:b.swipeDown&&(d=b.swipeDown.call(e,a,j,i,k,h))}(c===m||c===q)&&t(a);return d}function D(){return null!==b.threshold?i>=b.threshold:null}function U(){return Math.round(Math.sqrt(Math.pow(f-r,2)+Math.pow(p-s,2)))}function S(){var a;a=Math.atan2(p-s,r-f);a=Math.round(180*a/Math.PI);0>a&&(a=360-Math.abs(a));return 45>=a&&0<=a?v:360>=a&&315<=a?v:135<=a&&225>=a? A:45<a&&135>a?C:B}function V(){e.unbind(E,H);e.unbind(F,t);e.unbind(I,J);e.unbind(K,L)}var O=n||!b.fallbackToMouseEvents,E=O?"touchstart":"mousedown",I=O?"touchmove":"mousemove",K=O?"touchend":"mouseup",F="touchcancel",i=0,j=null,k=0,e=g(c),d="start",h=0,y=p=f=s=r=0,u=0;try{e.bind(E,H),e.bind(F,t)}catch(P){g.error("events not supported "+E+","+F+" on jQuery.swipe")}this.enable=function(){e.bind(E,H);e.bind(F,t);return e};this.disable=function(){V();return e};this.destroy=function(){V();e.data(w,null); return e}}var v="left",A="right",B="up",C="down",G="none",T="auto",M="horizontal",N="vertical",x="all",R="start",z="move",q="end",m="cancel",n="ontouchstart"in window,w="TouchSwipe";g.fn.swipe=function(c){var b=g(this),f=b.data(w);if(f&&"string"===typeof c){if(f[c])return f[c].apply(this,Array.prototype.slice.call(arguments,1));g.error("Method "+c+" does not exist on jQuery.swipe")}else if(!f&&("object"===typeof c||!c))return P.apply(this,arguments);return b};g.fn.swipe.defaults={fingers:1,threshold:75, maxTimeThreshold:null,swipe:null,swipeLeft:null,swipeRight:null,swipeUp:null,swipeDown:null,swipeStatus:null,click:null,triggerOnTouchEnd:!0,allowPageScroll:"auto",fallbackToMouseEvents:!0};g.fn.swipe.phases={PHASE_START:R,PHASE_MOVE:z,PHASE_END:q,PHASE_CANCEL:m};g.fn.swipe.directions={LEFT:v,RIGHT:A,UP:B,DOWN:C};g.fn.swipe.pageScroll={NONE:G,HORIZONTAL:M,VERTICAL:N,AUTO:T};g.fn.swipe.fingers={ONE:1,TWO:2,THREE:3,ALL:x}})(jQuery);