مشاهدة ملف: waypoint.min.js

(function(){var t=[].indexOf||function(t){for(var e=0,n=this.length;e<n;e++)if(e in this&&this[e]===t)return e;return-1},e=[].slice;!function(t,e){"function"==typeof define&&define.amd?define("waypoints",["jquery"],(function(n){return e(n,t)})):e(t.jQuery,t)}(this,(function(n,r){var i,o,l,s,c,a,u,f,h,d,p,y,v,w,g,S;return i=n(r),f=t.call(r,"ontouchstart")>=0,s={horizontal:{},vertical:{}},c=1,u={},a="waypoints-context-id",p="resize.waypoints",y="scroll.waypoints",v=1,w="waypoints-waypoint-ids",g="waypoint",S="waypoints",o=function(){function t(t){var e=this;this.$element=t,this.element=t[0],this.didResize=!1,this.didScroll=!1,this.id="context"+c++,this.oldScroll={x:t.scrollLeft(),y:t.scrollTop()},this.waypoints={horizontal:{},vertical:{}},t.data(a,this.id),u[this.id]=this,t.bind(y,(function(){var t;if(!e.didScroll&&!f)return e.didScroll=!0,t=function(){return e.doScroll(),e.didScroll=!1},r.setTimeout(t,n[S].settings.scrollThrottle)})),t.bind(p,(function(){var t;if(!e.didResize)return e.didResize=!0,t=function(){return n[S]("refresh"),e.didResize=!1},r.setTimeout(t,n[S].settings.resizeThrottle)}))}return t.prototype.doScroll=function(){var t,e=this;return t={horizontal:{newScroll:this.$element.scrollLeft(),oldScroll:this.oldScroll.x,forward:"right",backward:"left"},vertical:{newScroll:this.$element.scrollTop(),oldScroll:this.oldScroll.y,forward:"down",backward:"up"}},!f||t.vertical.oldScroll&&t.vertical.newScroll||n[S]("refresh"),n.each(t,(function(t,r){var i,o,l;return l=[],o=r.newScroll>r.oldScroll,i=o?r.forward:r.backward,n.each(e.waypoints[t],(function(t,e){var n,i;return r.oldScroll<(n=e.offset)&&n<=r.newScroll||r.newScroll<(i=e.offset)&&i<=r.oldScroll?l.push(e):void 0})),l.sort((function(t,e){return t.offset-e.offset})),o||l.reverse(),n.each(l,(function(t,e){if(e.options.continuous||t===l.length-1)return e.trigger([i])}))})),this.oldScroll={x:t.horizontal.newScroll,y:t.vertical.newScroll}},t.prototype.refresh=function(){var t,e,r,i=this;return r=n.isWindow(this.element),e=this.$element.offset(),this.doScroll(),t={horizontal:{contextOffset:r?0:e.left,contextScroll:r?0:this.oldScroll.x,contextDimension:this.$element.width(),oldScroll:this.oldScroll.x,forward:"right",backward:"left",offsetProp:"left"},vertical:{contextOffset:r?0:e.top,contextScroll:r?0:this.oldScroll.y,contextDimension:r?n[S]("viewportHeight"):this.$element.height(),oldScroll:this.oldScroll.y,forward:"down",backward:"up",offsetProp:"top"}},n.each(t,(function(t,e){return n.each(i.waypoints[t],(function(t,r){var i,o,l,s,c;if(i=r.options.offset,l=r.offset,o=n.isWindow(r.element)?0:r.$element.offset()[e.offsetProp],n.isFunction(i)?i=i.apply(r.element):"string"==typeof i&&(i=parseFloat(i),r.options.offset.indexOf("%")>-1&&(i=Math.ceil(e.contextDimension*i/100))),r.offset=o-e.contextOffset+e.contextScroll-i,(!r.options.onlyOnScroll||null==l)&&r.enabled)return null!==l&&l<(s=e.oldScroll)&&s<=r.offset?r.trigger([e.backward]):null!==l&&l>(c=e.oldScroll)&&c>=r.offset||null===l&&e.oldScroll>=r.offset?r.trigger([e.forward]):void 0}))}))},t.prototype.checkEmpty=function(){if(n.isEmptyObject(this.waypoints.horizontal)&&n.isEmptyObject(this.waypoints.vertical))return this.$element.unbind([p,y].join(" ")),delete u[this.id]},t}(),l=function(){function t(t,e,r){var i,o;"bottom-in-view"===(r=n.extend({},n.fn[g].defaults,r)).offset&&(r.offset=function(){var t;return t=n[S]("viewportHeight"),n.isWindow(e.element)||(t=e.$element.height()),t-n(this).outerHeight()}),this.$element=t,this.element=t[0],this.axis=r.horizontal?"horizontal":"vertical",this.callback=r.handler,this.context=e,this.enabled=r.enabled,this.id="waypoints"+v++,this.offset=null,this.options=r,e.waypoints[this.axis][this.id]=this,s[this.axis][this.id]=this,(i=null!=(o=t.data(w))?o:[]).push(this.id),t.data(w,i)}return t.prototype.trigger=function(t){if(this.enabled)return null!=this.callback&&this.callback.apply(this.element,t),this.options.triggerOnce?this.destroy():void 0},t.prototype.disable=function(){return this.enabled=!1},t.prototype.enable=function(){return this.context.refresh(),this.enabled=!0},t.prototype.destroy=function(){return delete s[this.axis][this.id],delete this.context.waypoints[this.axis][this.id],this.context.checkEmpty()},t.getWaypointsByElement=function(t){var e,r;return(r=n(t).data(w))?(e=n.extend({},s.horizontal,s.vertical),n.map(r,(function(t){return e[t]}))):[]},t}(),d={init:function(t,e){return null==e&&(e={}),null==e.handler&&(e.handler=t),this.each((function(){var t,r,i,s;return t=n(this),i=null!=(s=e.context)?s:n.fn[g].defaults.context,n.isWindow(i)||(i=t.closest(i)),i=n(i),(r=u[i.data(a)])||(r=new o(i)),new l(t,r,e)})),n[S]("refresh"),this},disable:function(){return d._invoke(this,"disable")},enable:function(){return d._invoke(this,"enable")},destroy:function(){return d._invoke(this,"destroy")},prev:function(t,e){return d._traverse.call(this,t,e,(function(t,e,n){if(e>0)return t.push(n[e-1])}))},next:function(t,e){return d._traverse.call(this,t,e,(function(t,e,n){if(e<n.length-1)return t.push(n[e+1])}))},_traverse:function(t,e,i){var o,l;return null==t&&(t="vertical"),null==e&&(e=r),l=h.aggregate(e),o=[],this.each((function(){var e;return e=n.inArray(this,l[t]),i(o,e,l[t])})),this.pushStack(o)},_invoke:function(t,e){return t.each((function(){var t;return t=l.getWaypointsByElement(this),n.each(t,(function(t,n){return n[e](),!0}))})),this}},n.fn[g]=function(){var t,r;return r=arguments[0],t=2<=arguments.length?e.call(arguments,1):[],d[r]?d[r].apply(this,t):n.isFunction(r)?d.init.apply(this,arguments):n.isPlainObject(r)?d.init.apply(this,[null,r]):r?n.error("The "+r+" method does not exist in jQuery Waypoints."):n.error("jQuery Waypoints needs a callback function or handler option.")},n.fn[g].defaults={context:r,continuous:!0,enabled:!0,horizontal:!1,offset:0,triggerOnce:!1},h={refresh:function(){return n.each(u,(function(t,e){return e.refresh()}))},viewportHeight:function(){var t;return null!=(t=r.innerHeight)?t:i.height()},aggregate:function(t){var e,r,i;return e=s,t&&(e=null!=(i=u[n(t).data(a)])?i.waypoints:void 0),e?(r={horizontal:[],vertical:[]},n.each(r,(function(t,i){return n.each(e[t],(function(t,e){return i.push(e)})),i.sort((function(t,e){return t.offset-e.offset})),r[t]=n.map(i,(function(t){return t.element})),r[t]=n.unique(r[t])})),r):[]},above:function(t){return null==t&&(t=r),h._filter(t,"vertical",(function(t,e){return e.offset<=t.oldScroll.y}))},below:function(t){return null==t&&(t=r),h._filter(t,"vertical",(function(t,e){return e.offset>t.oldScroll.y}))},left:function(t){return null==t&&(t=r),h._filter(t,"horizontal",(function(t,e){return e.offset<=t.oldScroll.x}))},right:function(t){return null==t&&(t=r),h._filter(t,"horizontal",(function(t,e){return e.offset>t.oldScroll.x}))},enable:function(){return h._invoke("enable")},disable:function(){return 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