/**
 * jGestures: a jQuery plugin for gesture events
 * Copyright 2010-2011 Neue Digitale / Razorfish GmbH
 * Copyright 2011-2012, Razorfish GmbH
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * @copyright Razorfish GmbH
 * @author martin.krause@razorfish.de
 * @version 0.90-shake
 * @requires jQuery JavaScript Library v1.4.2 - http://jquery.com/- Copyright 2010, John Resig- Dual licensed under the MIT or GPL Version 2 licenses. http://jquery.org/license
 */
(function(c){c.jGestures={};c.jGestures.defaults={};c.jGestures.defaults.thresholdShake={requiredShakes:10,freezeShakes:100,frontback:{sensitivity:10},leftright:{sensitivity:10},updown:{sensitivity:10}};c.jGestures.defaults.thresholdPinchopen=0.05;c.jGestures.defaults.thresholdPinchmove=0.05;c.jGestures.defaults.thresholdPinch=0.05;c.jGestures.defaults.thresholdPinchclose=0.05;c.jGestures.defaults.thresholdRotatecw=5;c.jGestures.defaults.thresholdRotateccw=5;c.jGestures.defaults.thresholdMove=20;c.jGestures.defaults.thresholdSwipe=100;c.jGestures.data={};c.jGestures.data.capableDevicesInUserAgentString=["iPad","iPhone","iPod","Mobile Safari"];c.jGestures.data.hasGestures=(function(){var k;for(k=0;k<c.jGestures.data.capableDevicesInUserAgentString.length;k++){if(navigator.userAgent.indexOf(c.jGestures.data.capableDevicesInUserAgentString[k])!==-1){return true}}return false})();c.hasGestures=c.jGestures.data.hasGestures;c.jGestures.events={touchstart:"jGestures.touchstart",touchendStart:"jGestures.touchend;start",touchendProcessed:"jGestures.touchend;processed",gesturestart:"jGestures.gesturestart",gestureendStart:"jGestures.gestureend;start",gestureendProcessed:"jGestures.gestureend;processed"};jQuery.each({orientationchange_orientationchange01:"orientationchange",gestureend_pinchopen01:"pinchopen",gestureend_pinchclose01:"pinchclose",gestureend_rotatecw01:"rotatecw",gestureend_rotateccw01:"rotateccw",gesturechange_pinch01:"pinch",gesturechange_rotate01:"rotate",touchstart_swipe13:"swipemove",touchstart_swipe01:"swipeone",touchstart_swipe02:"swipetwo",touchstart_swipe03:"swipethree",touchstart_swipe04:"swipefour",touchstart_swipe05:"swipeup",touchstart_swipe06:"swiperightup",touchstart_swipe07:"swiperight",touchstart_swipe08:"swiperightdown",touchstart_swipe09:"swipedown",touchstart_swipe10:"swipeleftdown",touchstart_swipe11:"swipeleft",touchstart_swipe12:"swipeleftup",touchstart_tap01:"tapone",touchstart_tap02:"taptwo",touchstart_tap03:"tapthree",touchstart_tap04:"tapfour",devicemotion_shake01:"shake",devicemotion_shake02:"shakefrontback",devicemotion_shake03:"shakeleftright",devicemotion_shake04:"shakeupdown"},function(l,k){jQuery.event.special[k]={setup:function(){var r=l.split("_");var o=r[0];var m=r[1].slice(0,r[1].length-2);var p=jQuery(this);var q;var n;if(!p.data("ojQueryGestures")||!p.data("ojQueryGestures")[o]){q=p.data("ojQueryGestures")||{};n={};n[o]=true;c.extend(true,q,n);p.data("ojQueryGestures",q);if(c.hasGestures){switch(m){case"orientationchange":p.get(0).addEventListener("orientationchange",a,false);break;case"shake":case"shakefrontback":case"shakeleftright":case"shakeupdown":case"tilt":p.get(0).addEventListener("devicemotion",b,false);break;case"tap":case"swipe":case"swipeup":case"swiperightup":case"swiperight":case"swiperightdown":case"swipedown":case"swipeleftdown":case"swipeleft":p.get(0).addEventListener("touchstart",h,false);break;case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":p.get(0).addEventListener("gesturestart",e,false);p.get(0).addEventListener("gestureend",i,false);break;case"pinch":case"rotate":p.get(0).addEventListener("gesturestart",e,false);p.get(0).addEventListener("gesturechange",f,false);break}}else{switch(m){case"tap":case"swipe":p.bind("mousedown",h);break;case"orientationchange":case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":case"pinch":case"rotate":case"shake":case"tilt":break}}}return false},add:function(n){var m=jQuery(this);var o=m.data("ojQueryGestures");o[n.type]={originalType:n.type};return false},remove:function(n){var m=jQuery(this);var o=m.data("ojQueryGestures");o[n.type]=false;m.data("ojQueryGestures",o);return false},teardown:function(){var r=l.split("_");var o=r[0];var m=r[1].slice(0,r[1].length-2);var p=jQuery(this);var q;var n;if(!p.data("ojQueryGestures")||!p.data("ojQueryGestures")[o]){q=p.data("ojQueryGestures")||{};n={};n[o]=false;c.extend(true,q,n);p.data("ojQueryGestures",q);if(c.hasGestures){switch(m){case"orientationchange":p.get(0).removeEventListener("orientationchange",a,false);break;case"shake":case"shakefrontback":case"shakeleftright":case"shakeupdown":case"tilt":p.get(0).removeEventListener("devicemotion",b,false);break;case"tap":case"swipe":case"swipeup":case"swiperightup":case"swiperight":case"swiperightdown":case"swipedown":case"swipeleftdown":case"swipeleft":case"swipeleftup":p.get(0).removeEventListener("touchstart",h,false);p.get(0).removeEventListener("touchmove",g,false);p.get(0).removeEventListener("touchend",j,false);break;case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":p.get(0).removeEventListener("gesturestart",e,false);p.get(0).removeEventListener("gestureend",i,false);break;case"pinch":case"rotate":p.get(0).removeEventListener("gesturestart",e,false);p.get(0).removeEventListener("gesturechange",f,false);break}}else{switch(m){case"tap":case"swipe":p.unbind("mousedown",h);p.unbind("mousemove",g);p.unbind("mouseup",j);break;case"orientationchange":case"pinchopen":case"pinchclose":case"rotatecw":case"rotateccw":case"pinch":case"rotate":case"shake":case"tilt":break}}}return false}}});function d(k){k.startMove=(k.startMove)?k.startMove:{startX:null,startY:null,timestamp:null};var l=new Date().getTime();var m;var n;if(k.touches){n=[{lastX:k.deltaX,lastY:k.deltaY,moved:null,startX:k.screenX-k.startMove.screenX,startY:k.screenY-k.startMove.screenY}];m={vector:k.vector||null,orientation:window.orientation||null,lastX:((n[0].lastX>0)?+1:((n[0].lastX<0)?-1:0)),lastY:((n[0].lastY>0)?+1:((n[0].lastY<0)?-1:0)),startX:((n[0].startX>0)?+1:((n[0].startX<0)?-1:0)),startY:((n[0].startY>0)?+1:((n[0].startY<0)?-1:0))};n[0].moved=Math.sqrt(Math.pow(Math.abs(n[0].startX),2)+Math.pow(Math.abs(n[0].startY),2))}return{type:k.type||null,originalEvent:k.event||null,delta:n||null,direction:m||{orientation:window.orientation||null,vector:k.vector||null},duration:(k.duration)?k.duration:(k.startMove.timestamp)?l-k.timestamp:null,rotation:k.rotation||null,scale:k.scale||null,description:k.description||[k.type,":",k.touches,":",((n[0].lastX!=0)?((n[0].lastX>0)?"right":"left"):"steady"),":",((n[0].lastY!=0)?((n[0].lastY>0)?"down":"up"):"steady")].join("")}}function a(l){var k=["landscape:clockwise:","portrait:default:","landscape:counterclockwise:","portrait:upsidedown:"];c(window).triggerHandler("orientationchange",{direction:{orientation:window.orientation},description:["orientationchange:",k[((window.orientation/90)+1)],window.orientation].join("")})}function b(r){var k;var t=jQuery(window);var o=t.data("ojQueryGestures");var m=c.jGestures.defaults.thresholdShake;var n=o.oDeviceMotionLastDevicePosition||{accelerationIncludingGravity:{x:0,y:0,z:0},shake:{eventCount:0,intervalsPassed:0,intervalsFreeze:0},shakeleftright:{eventCount:0,intervalsPassed:0,intervalsFreeze:0},shakefrontback:{eventCount:0,intervalsPassed:0,intervalsFreeze:0},shakeupdown:{eventCount:0,intervalsPassed:0,intervalsFreeze:0}};var q={accelerationIncludingGravity:{x:r.accelerationIncludingGravity.x,y:r.accelerationIncludingGravity.y,z:r.accelerationIncludingGravity.z},shake:{eventCount:n.shake.eventCount,intervalsPassed:n.shake.intervalsPassed,intervalsFreeze:n.shake.intervalsFreeze},shakeleftright:{eventCount:n.shakeleftright.eventCount,intervalsPassed:n.shakeleftright.intervalsPassed,intervalsFreeze:n.shakeleftright.intervalsFreeze},shakefrontback:{eventCount:n.shakefrontback.eventCount,intervalsPassed:n.shakefrontback.intervalsPassed,intervalsFreeze:n.shakefrontback.intervalsFreeze},shakeupdown:{eventCount:n.shakeupdown.eventCount,intervalsPassed:n.shakeupdown.intervalsPassed,intervalsFreeze:n.shakeupdown.intervalsFreeze}};var p;var s;var l;for(k in o){switch(k){case"shake":case"shakeleftright":case"shakefrontback":case"shakeupdown":p=[];s=[];p.push(k);if(++q[k].intervalsFreeze>m.freezeShakes&&q[k].intervalsFreeze<(2*m.freezeShakes)){break}q[k].intervalsFreeze=0;q[k].intervalsPassed++;if((k==="shake"||k==="shakeleftright")&&(q.accelerationIncludingGravity.x>m.leftright.sensitivity||q.accelerationIncludingGravity.x<(-1*m.leftright.sensitivity))){p.push("leftright");p.push("x-axis")}if((k==="shake"||k==="shakefrontback")&&(q.accelerationIncludingGravity.y>m.frontback.sensitivity||q.accelerationIncludingGravity.y<(-1*m.frontback.sensitivity))){p.push("frontback");p.push("y-axis")}if((k==="shake"||k==="shakeupdown")&&(q.accelerationIncludingGravity.z+9.81>m.updown.sensitivity||q.accelerationIncludingGravity.z+9.81<(-1*m.updown.sensitivity))){p.push("updown");p.push("z-axis")}if(p.length>1){if(++q[k].eventCount==m.requiredShakes&&(q[k].intervalsPassed)<m.freezeShakes){t.triggerHandler(k,d({type:k,description:p.join(":"),event:r,duration:q[k].intervalsPassed*5}));q[k].eventCount=0;q[k].intervalsPassed=0;q[k].intervalsFreeze=m.freezeShakes+1}else{if(q[k].eventCount==m.requiredShakes&&(q[k].intervalsPassed)>m.freezeShakes){q[k].eventCount=0;q[k].intervalsPassed=0}}}break}l={};l.oDeviceMotionLastDevicePosition=q;t.data("ojQueryGestures",c.extend(true,o,l))}}function h(l){var k=jQuery(l.currentTarget);k.triggerHandler(c.jGestures.events.touchstart,l);if(c.hasGestures){l.currentTarget.addEventListener("touchmove",g,false);l.currentTarget.addEventListener("touchend",j,false)}else{k.bind("mousemove",g);k.bind("mouseup",j)}var n=k.data("ojQueryGestures");var m=(l.touches)?l.touches[0]:l;var o={};o.oLastSwipemove={screenX:m.screenX,screenY:m.screenY,timestamp:new Date().getTime()};o.oStartTouch={screenX:m.screenX,screenY:m.screenY,timestamp:new Date().getTime()};k.data("ojQueryGestures",c.extend(true,n,o))}function g(t){var v=jQuery(t.currentTarget);var s=v.data("ojQueryGestures");var q=!!t.touches;var l=(q)?t.changedTouches[0].screenX:t.screenX;var k=(q)?t.changedTouches[0].screenY:t.screenY;var r=s.oLastSwipemove;var o=l-r.screenX;var n=k-r.screenY;var u;if(!!s.oLastSwipemove){u=d({type:"swipemove",touches:(q)?t.touches.length:"1",screenY:k,screenX:l,deltaY:n,deltaX:o,startMove:r,event:t,timestamp:r.timestamp});v.triggerHandler(u.type,u)}var m={};var p=(t.touches)?t.touches[0]:t;m.oLastSwipemove={screenX:p.screenX,screenY:p.screenY,timestamp:new Date().getTime()};v.data("ojQueryGestures",c.extend(true,s,m))}function j(r){var v=jQuery(r.currentTarget);var x=!!r.changedTouches;var u=(x)?r.changedTouches.length:"1";var p=(x)?r.changedTouches[0].screenX:r.screenX;var o=(x)?r.changedTouches[0].screenY:r.screenY;v.triggerHandler(c.jGestures.events.touchendStart,r);if(c.hasGestures){r.currentTarget.removeEventListener("touchmove",g,false);r.currentTarget.removeEventListener("touchend",j,false)}else{v.unbind("mousemove",g);v.unbind("mouseup",j)}var m=v.data("ojQueryGestures");var y=(Math.abs(m.oStartTouch.screenX-p)>c.jGestures.defaults.thresholdMove||Math.abs(m.oStartTouch.screenY-o)>c.jGestures.defaults.thresholdMove)?true:false;var B=(Math.abs(m.oStartTouch.screenX-p)>c.jGestures.defaults.thresholdSwipe||Math.abs(m.oStartTouch.screenY-o)>c.jGestures.defaults.thresholdSwipe)?true:false;var A;var t;var n;var l;var k;var q;var w=["zero","one","two","three","four"];var s;for(A in m){t=m.oStartTouch;n={};p=(x)?r.changedTouches[0].screenX:r.screenX;o=(x)?r.changedTouches[0].screenY:r.screenY;l=p-t.screenX;k=o-t.screenY;q=d({type:"swipe",touches:u,screenY:o,screenX:p,deltaY:k,deltaX:l,startMove:t,event:r,timestamp:t.timestamp});s=false;switch(A){case"swipeone":if(x===false&&u==1&&y===false){break}if(x===false||(u==1&&y===true&&B===true)){s=true;q.type=["swipe",w[u]].join("");v.triggerHandler(q.type,q)}break;case"swipetwo":if((x&&u==2&&y===true&&B===true)){s=true;q.type=["swipe",w[u]].join("");v.triggerHandler(q.type,q)}break;case"swipethree":if((x&&u==3&&y===true&&B===true)){s=true;q.type=["swipe",w[u]].join("");v.triggerHandler(q.type,q)}break;case"swipefour":if((x&&u==4&&y===true&&B===true)){s=true;q.type=["swipe",w[u]].join("");v.triggerHandler(q.type,q)}break;case"swipeup":case"swiperightup":case"swiperight":case"swiperightdown":case"swipedown":case"swipeleftdown":case"swipeleft":case"swipeleftup":if(x&&y===true&&B===true){s=true;q.type=["swipe",((q.delta[0].lastX!=0)?((q.delta[0].lastX>0)?"right":"left"):""),((q.delta[0].lastY!=0)?((q.delta[0].lastY>0)?"down":"up"):"")].join("");v.triggerHandler(q.type,q)}break;case"tapone":case"taptwo":case"tapthree":case"tapfour":if((y!==true&&s!==true)&&(w[u]==A.slice(3))){q.description=["tap",w[u]].join("");q.type=["tap",w[u]].join("");v.triggerHandler(q.type,q)}break}var z={};v.data("ojQueryGestures",c.extend(true,m,z));v.data("ojQueryGestures",c.extend(true,m,z))}v.triggerHandler(c.jGestures.events.touchendProcessed,r)}function e(l){var k=jQuery(l.currentTarget);k.triggerHandler(c.jGestures.events.gesturestart,l);var m=k.data("ojQueryGestures");var n={};n.oStartTouch={timestamp:new Date().getTime()};k.data("ojQueryGestures",c.extend(true,m,n))}function f(l){var k=jQuery(l.currentTarget);var p,m,r,o;var q=k.data("ojQueryGestures");var n;for(n in q){switch(n){case"pinch":p=l.scale;if(((p<1)&&(p%1)<(1-c.jGestures.defaults.thresholdPinchclose))||((p>1)&&(p%1)>(c.jGestures.defaults.thresholdPinchopen))){m=(p<1)?-1:+1;o=d({type:"pinch",scale:p,touches:null,startMove:q.oStartTouch,event:l,timestamp:q.oStartTouch.timestamp,vector:m,description:["pinch:",m,":",((p<1)?"close":"open")].join("")});k.triggerHandler(o.type,o)}break;case"rotate":p=l.rotation;if(((p<1)&&(-1*(p)>c.jGestures.defaults.thresholdRotateccw))||((p>1)&&(p>c.jGestures.defaults.thresholdRotatecw))){m=(p<1)?-1:+1;o=d({type:"rotate",rotation:p,touches:null,startMove:q.oStartTouch,event:l,timestamp:q.oStartTouch.timestamp,vector:m,description:["rotate:",m,":",((p<1)?"counterclockwise":"clockwise")].join("")});k.triggerHandler(o.type,o)}break}}}function i(l){var k=jQuery(l.currentTarget);k.triggerHandler(c.jGestures.events.gestureendStart,l);var n;var o=k.data("ojQueryGestures");var m;for(m in o){switch(m){case"pinchclose":n=l.scale;if((n<1)&&(n%1)<(1-c.jGestures.defaults.thresholdPinchclose)){k.triggerHandler("pinchclose",d({type:"pinchclose",scale:n,vector:-1,touches:null,startMove:o.oStartTouch,event:l,timestamp:o.oStartTouch.timestamp,description:"pinch:-1:close"}))}break;case"pinchopen":n=l.scale;if((n>1)&&(n%1)>(c.jGestures.defaults.thresholdPinchopen)){k.triggerHandler("pinchopen",d({type:"pinchopen",scale:n,vector:+1,touches:null,startMove:o.oStartTouch,event:l,timestamp:o.oStartTouch.timestamp,description:"pinch:+1:open"}))}break;case"rotatecw":n=l.rotation;if((n>1)&&(n>c.jGestures.defaults.thresholdRotatecw)){k.triggerHandler("rotatecw",d({type:"rotatecw",rotation:n,vector:+1,touches:null,startMove:o.oStartTouch,event:l,timestamp:o.oStartTouch.timestamp,description:"rotate:+1:clockwise"}))}break;case"rotateccw":n=l.rotation;if((n<1)&&(-1*(n)>c.jGestures.defaults.thresholdRotateccw)){k.triggerHandler("rotateccw",d({type:"rotateccw",rotation:n,vector:-1,touches:null,startMove:o.oStartTouch,event:l,timestamp:o.oStartTouch.timestamp,description:"rotate:-1:counterclockwise"}))}break}}k.triggerHandler(c.jGestures.events.gestureendProcessed,l)}})(jQuery);