mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-27 03:27:46 +01:00
ba10ab197b
- Use the page visibility API (when available) and document.hasFocus() instead of window.onfocus/onblur. Improves speeding up/slowing down the interval and works for iframes by default. - Add a setting for minimal interval. Maximum value is 10 min. This overrides all other intervals and cannot be changed after setting it at initialization. Can be used to reduce the frequency of requests on hosts that have low limits for used CPU time, etc. - Extend the setting of interval to support 120 sec. (60 sec, is still the default). - Always suspend after one hour of keyboard/mouse/touch inactivity. Fixes #29779. Built from https://develop.svn.wordpress.org/trunk@30293 git-svn-id: http://core.svn.wordpress.org/trunk@30292 1a063a9b-81f0-0310-95a4-ce76da25c4cd
1 line
5.4 KiB
JavaScript
1 line
5.4 KiB
JavaScript
!function(a,b,c){var d=function(){function d(){var c,d,f,h;"string"==typeof b.pagenow&&(z.screenId=b.pagenow),"string"==typeof b.ajaxurl&&(z.url=b.ajaxurl),"object"==typeof b.heartbeatSettings&&(c=b.heartbeatSettings,!z.url&&c.ajaxurl&&(z.url=c.ajaxurl),c.interval&&(z.mainInterval=c.interval,z.mainInterval<15?z.mainInterval=15:z.mainInterval>120&&(z.mainInterval=120)),c.minimalInterval&&(c.minimalInterval=parseInt(c.minimalInterval,10),z.minimalInterval=c.minimalInterval>0&&c.minimalInterval<=600?1e3*c.minimalInterval:0),z.minimalInterval&&z.mainInterval<z.minimalInterval&&(z.mainInterval=z.minimalInterval),z.screenId||(z.screenId=c.screenId||"front"),"disable"===c.suspension&&(z.suspendEnabled=!1)),z.mainInterval=1e3*z.mainInterval,z.originalInterval=z.mainInterval,"undefined"!=typeof document.hidden?(d="hidden",h="visibilitychange",f="visibilityState"):"undefined"!=typeof document.msHidden?(d="msHidden",h="msvisibilitychange",f="msVisibilityState"):"undefined"!=typeof document.webkitHidden&&(d="webkitHidden",h="webkitvisibilitychange",f="webkitVisibilityState"),d&&(document[d]&&(z.hasFocus=!1),y.on(h+".wp-heartbeat",function(){"hidden"===document[f]?(l(),b.clearInterval(z.checkFocusTimer)):(m(),document.hasFocus&&(z.checkFocusTimer=b.setInterval(g,1e4)))})),document.hasFocus&&(z.checkFocusTimer=b.setInterval(g,1e4)),a(b).on("unload.wp-heartbeat",function(){z.suspend=!0,z.xhr&&4!==z.xhr.readyState&&z.xhr.abort()}),b.setInterval(o,3e4),y.ready(function(){z.lastTick=e(),k()})}function e(){return(new Date).getTime()}function f(a){var c,d=a.src;if(d&&/^https?:\/\//.test(d)&&(c=b.location.origin?b.location.origin:b.location.protocol+"//"+b.location.host,0!==d.indexOf(c)))return!1;try{if(a.contentWindow.document)return!0}catch(e){}return!1}function g(){z.hasFocus&&!document.hasFocus()?l():!z.hasFocus&&document.hasFocus()&&m()}function h(a,b){var c;if(a){switch(a){case"abort":break;case"timeout":c=!0;break;case"error":if(503===b&&z.hasConnected){c=!0;break}case"parsererror":case"empty":case"unknown":z.errorcount++,z.errorcount>2&&z.hasConnected&&(c=!0)}c&&!q()&&(z.connectionError=!0,y.trigger("heartbeat-connection-lost",[a,b]))}}function i(){z.hasConnected=!0,q()&&(z.errorcount=0,z.connectionError=!1,y.trigger("heartbeat-connection-restored"))}function j(){var c,d;z.connecting||z.suspend||(z.lastTick=e(),d=a.extend({},z.queue),z.queue={},y.trigger("heartbeat-send",[d]),c={data:d,interval:z.tempInterval?z.tempInterval/1e3:z.mainInterval/1e3,_nonce:"object"==typeof b.heartbeatSettings?b.heartbeatSettings.nonce:"",action:"heartbeat",screen_id:z.screenId,has_focus:z.hasFocus},z.connecting=!0,z.xhr=a.ajax({url:z.url,type:"post",timeout:3e4,data:c,dataType:"json"}).always(function(){z.connecting=!1,k()}).done(function(a,b,c){var d;return a?(i(),a.nonces_expired?void y.trigger("heartbeat-nonces-expired"):(a.heartbeat_interval&&(d=a.heartbeat_interval,delete a.heartbeat_interval),y.trigger("heartbeat-tick",[a,b,c]),void(d&&t(d)))):void h("empty")}).fail(function(a,b,c){h(b||"unknown",a.status),y.trigger("heartbeat-error",[a,b,c])}))}function k(){var a=e()-z.lastTick,c=z.mainInterval;z.suspend||(z.hasFocus?z.countdown>0&&z.tempInterval&&(c=z.tempInterval,z.countdown--,z.countdown<1&&(z.tempInterval=0)):c=12e4,z.minimalInterval&&c<z.minimalInterval&&(c=z.minimalInterval),b.clearTimeout(z.beatTimer),c>a?z.beatTimer=b.setTimeout(function(){j()},c-a):j())}function l(){z.hasFocus=!1}function m(){z.userActivity=e(),z.suspend=!1,z.hasFocus||(z.hasFocus=!0,k())}function n(){z.userActivityEvents=!1,y.off(".wp-heartbeat-active"),a("iframe").each(function(b,c){f(c)&&a(c.contentWindow).off(".wp-heartbeat-active")}),m()}function o(){var b=z.userActivity?e()-z.userActivity:0;b>3e5&&z.hasFocus&&l(),(z.suspendEnabled&&b>6e5||b>36e5)&&(z.suspend=!0),z.userActivityEvents||(y.on("mouseover.wp-heartbeat-active keyup.wp-heartbeat-active touchend.wp-heartbeat-active",function(){n()}),a("iframe").each(function(b,c){f(c)&&a(c.contentWindow).on("mouseover.wp-heartbeat-active keyup.wp-heartbeat-active touchend.wp-heartbeat-active",function(){n()})}),z.userActivityEvents=!0)}function p(){return z.hasFocus}function q(){return z.connectionError}function r(){z.lastTick=0,k()}function s(){z.suspendEnabled=!1}function t(a,b){var c,d=z.tempInterval?z.tempInterval:z.mainInterval;if(a){switch(a){case"fast":case 5:c=5e3;break;case 15:c=15e3;break;case 30:c=3e4;break;case 60:c=6e4;break;case 120:c=12e4;break;case"long-polling":return z.mainInterval=0,0;default:c=z.originalInterval}z.minimalInterval&&c<z.minimalInterval&&(c=z.minimalInterval),5e3===c?(b=parseInt(b,10)||30,b=1>b||b>30?30:b,z.countdown=b,z.tempInterval=c):(z.countdown=0,z.tempInterval=0,z.mainInterval=c),c!==d&&k()}return z.tempInterval?z.tempInterval/1e3:z.mainInterval/1e3}function u(a,b,c){return a?c&&this.isQueued(a)?!1:(z.queue[a]=b,!0):!1}function v(a){return a?z.queue.hasOwnProperty(a):void 0}function w(a){a&&delete z.queue[a]}function x(a){return a?this.isQueued(a)?z.queue[a]:c:void 0}var y=a(document),z={suspend:!1,suspendEnabled:!0,screenId:"",url:"",lastTick:0,queue:{},mainInterval:60,tempInterval:0,originalInterval:0,minimalInterval:0,countdown:0,connecting:!1,connectionError:!1,errorcount:0,hasConnected:!1,hasFocus:!0,userActivity:0,userActivityEvents:!1,checkFocusTimer:0,beatTimer:0};return d(),{hasFocus:p,connectNow:r,disableSuspend:s,interval:t,hasConnectionError:q,enqueue:u,dequeue:w,isQueued:v,getQueuedItem:x}};b.wp=b.wp||{},b.wp.heartbeat=new d}(jQuery,window); |