fastclick.min.js

/*! SmartAdmin - v1.5 - 2014-09-27 */function FastClick(a){var b,c=this;if(this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.lastTouchIdentifier=this.touchStartY=this.touchStartX=0,this.layer=a,!a||!a.nodeType)throw new TypeError("Layer must be a document node");this.onClick=function(){return FastClick.prototype.onClick.apply(c,arguments)},this.onMouse=function(){return FastClick.prototype.onMouse.apply(c,arguments)},this.onTouchStart=function(){return FastClick.prototype.onTouchStart.apply(c,arguments)},this.onTouchEnd=function(){return FastClick.prototype.onTouchEnd.apply(c,arguments)},this.onTouchCancel=function(){return FastClick.prototype.onTouchCancel.apply(c,arguments)},FastClick.notNeeded(a)||(this.deviceIsAndroid&&(a.addEventListener("mouseover",this.onMouse,!0),a.addEventListener("mousedown",this.onMouse,!0),a.addEventListener("mouseup",this.onMouse,!0)),a.addEventListener("click",this.onClick,!0),a.addEventListener("touchstart",this.onTouchStart,!1),a.addEventListener("touchend",this.onTouchEnd,!1),a.addEventListener("touchcancel",this.onTouchCancel,!1),Event.prototype.stopImmediatePropagation||(a.removeEventListener=function(b,c,d){var e=Node.prototype.removeEventListener;"click"===b?e.call(a,b,c.hijacked||c,d):e.call(a,b,c,d)},a.addEventListener=function(b,c,d){var e=Node.prototype.addEventListener;"click"===b?e.call(a,b,c.hijacked||(c.hijacked=function(a){a.propagationStopped||c(a)}),d):e.call(a,b,c,d)}),"function"==typeof a.onclick&&(b=a.onclick,a.addEventListener("click",function(a){b(a)},!1),a.onclick=null))}FastClick.prototype.deviceIsAndroid=0<navigator.userAgent.indexOf("Android"),FastClick.prototype.deviceIsIOS=/iP(ad|hone|od)/.test(navigator.userAgent),FastClick.prototype.deviceIsIOS4=FastClick.prototype.deviceIsIOS&&/OS 4_\d(_\d)?/.test(navigator.userAgent),FastClick.prototype.deviceIsIOSWithBadTarget=FastClick.prototype.deviceIsIOS&&/OS ([6-9]|\d{2})_\d/.test(navigator.userAgent),FastClick.prototype.needsClick=function(a){switch(a.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(a.disabled)return!0;break;case"input":if(this.deviceIsIOS&&"file"===a.type||a.disabled)return!0;break;case"label":case"video":return!0}return/\bneedsclick\b/.test(a.className)},FastClick.prototype.needsFocus=function(a){switch(a.nodeName.toLowerCase()){case"textarea":case"select":return!0;case"input":switch(a.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!a.disabled&&!a.readOnly;default:return/\bneedsfocus\b/.test(a.className)}},FastClick.prototype.sendClick=function(a,b){var c,d;document.activeElement&&document.activeElement!==a&&document.activeElement.blur(),d=b.changedTouches[0],c=document.createEvent("MouseEvents"),c.initMouseEvent("click",!0,!0,window,1,d.screenX,d.screenY,d.clientX,d.clientY,!1,!1,!1,!1,0,null),c.forwardedTouchEvent=!0,a.dispatchEvent(c)},FastClick.prototype.focus=function(a){var b;this.deviceIsIOS&&a.setSelectionRange?(b=a.value.length,a.setSelectionRange(b,b)):a.focus()},FastClick.prototype.updateScrollParent=function(a){var b,c;if(b=a.fastClickScrollParent,!b||!b.contains(a)){c=a;do{if(c.scrollHeight>c.offsetHeight){b=c,a.fastClickScrollParent=c;break}c=c.parentElement}while(c)}b&&(b.fastClickLastScrollTop=b.scrollTop)},FastClick.prototype.getTargetElementFromEventTarget=function(a){return a.nodeType===Node.TEXT_NODE?a.parentNode:a},FastClick.prototype.onTouchStart=function(a){var b,c,d;if(1<a.targetTouches.length)return!0;if(b=this.getTargetElementFromEventTarget(a.target),c=a.targetTouches[0],this.deviceIsIOS){if(d=window.getSelection(),d.rangeCount&&!d.isCollapsed)return!0;if(!this.deviceIsIOS4){if(c.identifier===this.lastTouchIdentifier)return a.preventDefault(),!1;this.lastTouchIdentifier=c.identifier,this.updateScrollParent(b)}}return this.trackingClick=!0,this.trackingClickStart=a.timeStamp,this.targetElement=b,this.touchStartX=c.pageX,this.touchStartY=c.pageY,200>a.timeStamp-this.lastClickTime&&a.preventDefault(),!0},FastClick.prototype.touchHasMoved=function(a){return a=a.changedTouches[0],10<Math.abs(a.pageX-this.touchStartX)||10<Math.abs(a.pageY-this.touchStartY)?!0:!1},FastClick.prototype.findControl=function(a){return void 0!==a.control?a.control:a.htmlFor?document.getElementById(a.htmlFor):a.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},FastClick.prototype.onTouchEnd=function(a){var b,c,d;if(d=this.targetElement,this.touchHasMoved(a)&&(this.trackingClick=!1,this.targetElement=null),!this.trackingClick)return!0;if(200>a.timeStamp-this.lastClickTime)return this.cancelNextClick=!0;if(this.lastClickTime=a.timeStamp,b=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,this.deviceIsIOSWithBadTarget&&(d=a.changedTouches[0],d=document.elementFromPoint(d.pageX-window.pageXOffset,d.pageY-window.pageYOffset)),c=d.tagName.toLowerCase(),"label"===c){if(b=this.findControl(d)){if(this.focus(d),this.deviceIsAndroid)return!1;d=b}}else if(this.needsFocus(d))return 100<a.timeStamp-b||this.deviceIsIOS&&window.top!==window&&"input"===c?(this.targetElement=null,!1):(this.focus(d),this.deviceIsIOS4&&"select"===c||(this.targetElement=null,a.preventDefault()),!1);return this.deviceIsIOS&&!this.deviceIsIOS4&&(b=d.fastClickScrollParent)&&b.fastClickLastScrollTop!==b.scrollTop?!0:(this.needsClick(d)||(a.preventDefault(),this.sendClick(d,a)),!1)},FastClick.prototype.onTouchCancel=function(){this.trackingClick=!1,this.targetElement=null},FastClick.prototype.onMouse=function(a){return this.targetElement&&!a.forwardedTouchEvent&&a.cancelable&&(!this.needsClick(this.targetElement)||this.cancelNextClick)?(a.stopImmediatePropagation?a.stopImmediatePropagation():a.propagationStopped=!0,a.stopPropagation(),a.preventDefault(),!1):!0},FastClick.prototype.onClick=function(a){return this.trackingClick?(this.targetElement=null,this.trackingClick=!1,!0):"submit"===a.target.type&&0===a.detail?!0:(a=this.onMouse(a),a||(this.targetElement=null),a)},FastClick.prototype.destroy=function(){var a=this.layer;this.deviceIsAndroid&&(a.removeEventListener("mouseover",this.onMouse,!0),a.removeEventListener("mousedown",this.onMouse,!0),a.removeEventListener("mouseup",this.onMouse,!0)),a.removeEventListener("click",this.onClick,!0),a.removeEventListener("touchstart",this.onTouchStart,!1),a.removeEventListener("touchend",this.onTouchEnd,!1),a.removeEventListener("touchcancel",this.onTouchCancel,!1)},FastClick.notNeeded=function(a){var b;if("undefined"==typeof window.ontouchstart)return!0;if(/Chrome\/[0-9]+/.test(navigator.userAgent)){if(!FastClick.prototype.deviceIsAndroid)return!0;if((b=document.querySelector("meta[name=viewport]"))&&-1!==b.content.indexOf("user-scalable=no"))return!0}return"none"===a.style.msTouchAction?!0:!1},FastClick.attach=function(a){return new FastClick(a)},"undefined"!=typeof define&&define.amd?define(function(){return FastClick}):"undefined"!=typeof module&&module.exports?(module.exports=FastClick.attach,module.exports.FastClick=FastClick):window.FastClick=FastClick;