WordPress/wp-includes/js/heartbeat.min.js

window.wp=window.wp||{},function(a){var b=function(){function b(a){return a?parseInt((new Date).getTime()/1e3):(new Date).getTime()}function c(a){var b,c=a.src;if(c&&/^https?:\/\//.test(c)&&(b=window.location.origin?window.location.origin:window.location.protocol+"//"+window.location.host,0!==c.indexOf(b)))return!1;try{if(a.contentWindow.document)return!0}catch(d){}return!1}function d(b){var c;if(b){switch(b){case"abort":break;case"timeout":c=!0;break;case"parsererror":case"error":case"empty":case"unknown":A++,A>2&&(c=!0)}c&&!u.hasConnectionError()&&(D=!0,a(document).trigger("heartbeat-connection-lost",[b]))}else u.hasConnectionError()&&(A=0,D=!1,a(document).trigger("heartbeat-connection-restored"))}function e(){var c,e,g={},h=!0,i="object"==typeof window.heartbeatSettings?window.heartbeatSettings.nonce:"";x=b(),c=a.extend({},y),y={},a(document).trigger("heartbeat-send",[c]);for(e in c)if(c.hasOwnProperty(e)){h=!1;break}return h&&!u.hasConnectionError()?(p=!1,f(),void 0):(g.data=c,g.interval=o/1e3,g._nonce=i,g.action="heartbeat",g.screen_id=v,g.has_focus=B,p=!0,u.xhr=a.ajax({url:w,type:"post",timeout:3e4,data:g,dataType:"json"}).done(function(b,c,e){var f;return b?(u.hasConnectionError()&&d(),b.nonces_expired?(a(document).trigger("heartbeat-nonces-expired"),void 0):(b.heartbeat_interval&&(f=b.heartbeat_interval,delete b.heartbeat_interval),u.tick(b,c,e),f&&u.interval.call(u,f),void 0)):d("empty")}).always(function(){p=!1,f()}).fail(function(a,b,c){d(b||"unknown"),u.error(a,b,c)}),void 0)}function f(){var a=b()-x,c=o;l&&(B?z>0&&q&&(c=q,z--):c=1e5,window.clearTimeout(m),c>a?m=window.setTimeout(function(){l&&e()},c-a):e())}function g(){window.clearTimeout(t),window.clearTimeout(C),t=C=0,B=!1}function h(){window.clearTimeout(t),window.clearTimeout(C),t=C=0,r=b(),B||(B=!0,window.clearTimeout(m),p||f())}function i(){a("iframe").each(function(b,d){c(d)&&(a.data(d,"wp-heartbeat-focus")||(a.data(d,"wp-heartbeat-focus",1),a(d.contentWindow).on("focus.wp-heartbeat-focus",function(){h()}).on("blur.wp-heartbeat-focus",function(){i(),C=window.setTimeout(function(){g()},500)})))})}function j(){s=!1,a(document).off(".wp-heartbeat-active"),a("iframe").each(function(b,d){c(d)&&a(d.contentWindow).off(".wp-heartbeat-active")}),h()}function k(){var d=r?b()-r:0;d>3e5&&B&&g(),s||(a(document).on("mouseover.wp-heartbeat-active keyup.wp-heartbeat-active",function(){j()}),a("iframe").each(function(b,d){c(d)&&a(d.contentWindow).on("mouseover.wp-heartbeat-active keyup.wp-heartbeat-active",function(){j()})}),s=!0)}var l,m,n,o,p,q,r,s,t,u=this,v="undefined"!=typeof pagenow?pagenow:"",w="undefined"!=typeof ajaxurl?ajaxurl:"",x=0,y={},z=0,A=0,B=!0,C=-1,D=!1;this.hasConnectionError=function(){return D},"object"==typeof window.heartbeatSettings&&(n=a.extend({},window.heartbeatSettings),w=n.ajaxurl||w,delete n.ajaxurl,delete n.nonce,o=n.interval||15,delete n.interval,15>o?o=15:o>60&&(o=60),o=1e3*o,v=v||n.screenId||"front",delete n.screenId,a.extend(this,n)),a(window).on("blur.wp-heartbeat-focus",function(){i(),t=window.setTimeout(function(){g()},500)}).on("focus.wp-heartbeat-focus",function(){a("iframe").each(function(b,d){c(d)&&(a.removeData(d,"wp-heartbeat-focus"),a(d.contentWindow).off(".wp-heartbeat-focus"))}),h()}),window.setInterval(function(){k()},3e4),a(document).ready(function(){l=!0,x=b(),f()}),this.hasFocus=function(){return B},this.interval=function(a,b){var c,d;if(b=parseInt(b,10)||30,b=1>b||b>30?30:b,a){switch(a){case"fast":d=5,z=b;break;case"slow":d=60,z=0;break;case"long-polling":return o=0,0;default:d=15,z=0}c=o>1e3*d,z>0?q=1e3*d:(o=1e3*d,q=0),c&&f()}return B?q?q/1e3:o/1e3:120},this.enqueue=function(a,b,c){return a?c&&this.isQueued(a)?!1:(y[a]=b,!0):!1},this.isQueued=function(a){return a?y.hasOwnProperty(a):void 0},this.dequeue=function(a){a&&delete y[a]},this.getQueuedItem=function(a){return a?this.isQueued(a)?y[a]:void 0:void 0}};a.extend(b.prototype,{tick:function(b,c,d){a(document).trigger("heartbeat-tick",[b,c,d])},error:function(b,c,d){a(document).trigger("heartbeat-error",[b,c,d])}}),wp.heartbeat=new b}(jQuery);