mdb-ui-kit/template/material/js/ripples.min.js

window.ripples={init:function(a){"use strict";function b(a,b){var c=a.matches||a.matchesSelector||a.webkitMatchesSelector||a.mozMatchesSelector||a.msMatchesSelector||a.oMatchesSelector;return c.call(a,b)}var c=100,d=500,e=function(a,c,d){document.addEventListener(a,function(a){var e="number"!=typeof a.detail?a.detail:a.target;b(e,c)&&d(a,e)})},f=function(a,b){var c,e,f,g=b,h=g.parentNode,j=document.createElement("div"),k=h.getBoundingClientRect(),l={x:a.clientX-k.left,y:a.clientY-k.top},m="transform:scale("+Math.round(g.offsetWidth/5)+")",n=new CustomEvent("rippleEnd",{detail:j}),o=.05;i=j,j.className="ripple",j.setAttribute("style","left:"+l.x+"px; top:"+l.y+"px;"),c=window.getComputedStyle(h).color,e=c.split(","),e.pop(),e.push(" "+o+")"),c=e.join(","),g.appendChild(j),f=window.getComputedStyle(j).opacity,j.dataset.animating=1,j.className="ripple ripple-on",j.setAttribute("style",j.getAttribute("style")+"background-color: "+c+";"+["-ms-"+m,"-moz-"+m,"-webkit-"+m,m].join(";")),setTimeout(function(){j.dataset.animating=0,document.dispatchEvent(n)},d)},g=function(a){a.className="ripple ripple-on ripple-out",setTimeout(function(){a.remove()},c)},h=!1;document.body.onmousedown=function(){h=!0},document.body.onmouseup=function(){h=!1};var i,j=function(a,b){if(0===b.getElementsByClassName("ripple-wrapper").length){b.className+=" withripple";var c=document.createElement("div");c.className="ripple-wrapper",b.appendChild(c)}};e("mouseover",a,j),e("mousedown",".ripple-wrapper",function(a,b){(1===a.which||2===a.which)&&f(a,b)}),e("rippleEnd",".ripple-wrapper .ripple",function(a,b){var c=b.parentNode.getElementsByClassName("ripple");(!h||c[0]==b&&c.length>1)&&g(b)}),e("mouseup",".ripple-wrapper",function(){var a=i;a&&1!=a.dataset.animating&&g(a)})}};