Heartbeat: clean up code style, better naming, better code structure. Props carldanley, props evansolomon.
Changes: - Add connectNow() public method to trigger a connection immediately. - Remove the "skipping" when no data to send. - Change the default interval to 60 sec. - Fix resetting the next connection time when changing the interval. See #25073. Built from https://develop.svn.wordpress.org/trunk@26169 git-svn-id: http://core.svn.wordpress.org/trunk@26078 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Ozz
parent
c962236312
commit
188fce6c9b
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@ -1185,7 +1185,7 @@ function wp_check_post_lock( $post_id ) {
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$time = $lock[0];
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$user = isset( $lock[1] ) ? $lock[1] : get_post_meta( $post->ID, '_edit_last', true );
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$time_window = apply_filters( 'wp_check_post_lock_window', 120 );
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$time_window = apply_filters( 'wp_check_post_lock_window', 150 );
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if ( $time && $time > time() - $time_window && $user != get_current_user_id() )
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return $user;
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@ -325,6 +325,11 @@ $( document ).on( 'heartbeat-tick.wp-check-locked-posts', function( e, data ) {
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if ( check.length )
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data['wp-check-locked-posts'] = check;
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}).ready( function() {
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// Set the heartbeat interval to 15 sec.
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if ( typeof wp !== 'undefined' && wp.heartbeat ) {
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wp.heartbeat.setInterval( 15 );
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}
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});
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}(jQuery));
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File diff suppressed because one or more lines are too long
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@ -371,6 +371,11 @@ jQuery(document).ready( function($) {
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}
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}).filter(':visible').find('.wp-tab-first').focus();
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// Set the heartbeat interval to 15 sec. if post lock dialogs are enabled
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if ( typeof wp !== 'undefined' && wp.heartbeat && $('#post-lock-dialog').length ) {
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wp.heartbeat.setInterval( 15 );
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}
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// multi-taxonomies
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if ( $('#tagsdiv-post_tag').length ) {
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tagBox.init();
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File diff suppressed because one or more lines are too long
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@ -6,11 +6,11 @@
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* to use it, please follow the development closely.
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*
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* Heartbeat is a simple server polling API that sends XHR requests to
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* the server every 15 seconds and triggers events (or callbacks) upon
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* the server every 15 - 60 seconds and triggers events (or callbacks) upon
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* receiving data. Currently these 'ticks' handle transports for post locking,
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* login-expiration warnings, and related tasks while a user is logged in.
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*
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* Available filters in ajax-actions.php:
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* Available PHP filters (in ajax-actions.php):
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* - heartbeat_received
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* - heartbeat_send
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* - heartbeat_tick
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@ -19,96 +19,195 @@
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* - heartbeat_nopriv_tick
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* @see wp_ajax_nopriv_heartbeat(), wp_ajax_heartbeat()
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*
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* Custom jQuery events:
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* - heartbeat-send
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* - heartbeat-tick
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* - heartbeat-error
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* - heartbeat-connection-lost
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* - heartbeat-connection-restored
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* - heartbeat-nonces-expired
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*
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* @since 3.6.0
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*/
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// Ensure the global `wp` object exists.
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window.wp = window.wp || {};
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(function($){
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( function( $, window, undefined ) {
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var Heartbeat = function() {
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var self = this,
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running,
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beat,
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screenId = typeof pagenow != 'undefined' ? pagenow : '',
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url = typeof ajaxurl != 'undefined' ? ajaxurl : '',
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settings,
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tick = 0,
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queue = {},
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interval,
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connecting,
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countdown = 0,
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errorcount = 0,
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tempInterval,
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hasFocus = true,
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isUserActive,
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userActiveEvents,
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winBlurTimeout,
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frameBlurTimeout = -1,
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hasConnectionError = null;
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var $document = $(document),
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settings = {
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// Used to stop the "beat"
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isRunning: true,
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/**
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* Returns a boolean that's indicative of whether or not there is a connection error
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*
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* @returns boolean
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*/
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this.hasConnectionError = function() {
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return !! hasConnectionError;
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// Current screen id, defaults to the JS global 'pagenow' when present (in the admin) or 'front'
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screenId: '',
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// XHR request URL, defaults to the JS global 'ajaxurl' when present
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url: '',
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// Timestamp, start of the last connection request
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lastTick: 0,
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// Container for the enqueued items
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queue: {},
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// Connect interval (in seconds)
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mainInterval: 60,
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// Used when the interval is set to 5 sec. temporarily
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tempInterval: 0,
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// Used when the interval is reset
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originalInterval: 0,
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// Used together with tempInterval
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countdown: 0,
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// Whether a connection is currently in progress
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connecting: false,
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// Whether a connection error occured
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connectionError: false,
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// Used to track non-critical errors
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errorcount: 0,
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// Whether at least one connection has completed successfully
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hasConnected: false,
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// Whether the current browser window is in focus and the user is active
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hasFocus: true,
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// Timestamp, last time the user was active. Checked every 30 sec.
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userActivity: 0,
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// Flags whether events tracking user activity were set
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userActivityEvents: false,
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// References to various timeouts
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beatTimer: 0,
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winBlurTimer: 0,
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frameBlurTimer: 0
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};
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if ( typeof( window.heartbeatSettings ) == 'object' ) {
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settings = $.extend( {}, window.heartbeatSettings );
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// Add private vars
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url = settings.ajaxurl || url;
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delete settings.ajaxurl;
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delete settings.nonce;
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interval = settings.interval || 15; // default interval
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delete settings.interval;
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// The interval can be from 15 to 60 sec. and can be set temporarily to 5 sec.
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if ( interval < 15 )
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interval = 15;
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else if ( interval > 60 )
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interval = 60;
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interval = interval * 1000;
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// 'screenId' can be added from settings on the front-end where the JS global 'pagenow' is not set
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screenId = screenId || settings.screenId || 'front';
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delete settings.screenId;
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// Add or overwrite public vars
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$.extend( this, settings );
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/**
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* Set local vars and events, then start
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*
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* @access private
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*
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* @return void
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*/
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function initialize() {
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if ( typeof window.pagenow === 'string' ) {
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settings.screenId = window.pagenow;
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}
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function time(s) {
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if ( s )
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return parseInt( (new Date()).getTime() / 1000 );
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if ( typeof window.ajaxurl === 'string' ) {
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settings.url = window.ajaxurl;
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}
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// Pull in options passed from PHP
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if ( typeof window.heartbeatSettings === 'object' ) {
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var options = window.heartbeatSettings;
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// The XHR URL can be passed as option when window.ajaxurl is not set
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if ( ! settings.url && options.ajaxurl ) {
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settings.url = options.ajaxurl;
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}
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// The interval can be from 15 to 60 sec. and can be set temporarily to 5 sec.
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if ( options.interval ) {
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settings.mainInterval = options.interval;
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if ( settings.mainInterval < 15 ) {
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settings.mainInterval = 15;
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} else if ( settings.mainInterval > 60 ) {
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settings.mainInterval = 60;
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}
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}
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// 'screenId' can be added from settings on the front-end where the JS global 'pagenow' is not set
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if ( ! settings.screenId ) {
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settings.screenId = options.screenId || 'front';
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}
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}
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// Convert to milliseconds
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settings.mainInterval = settings.mainInterval * 1000;
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settings.originalInterval = settings.mainInterval;
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// Set focus/blur events on the window
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$(window).on( 'blur.wp-heartbeat-focus', function() {
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setFrameFocusEvents();
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// We don't know why the 'blur' was fired. Either the user clicked in an iframe or outside the browser.
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// Running blurred() after some timeout lets us cancel it if the user clicked in an iframe.
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settings.winBlurTimer = window.setTimeout( function(){ blurred(); }, 500 );
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}).on( 'focus.wp-heartbeat-focus', function() {
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removeFrameFocusEvents();
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focused();
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}).on( 'unload.wp-heartbeat', function() {
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// Don't connect any more
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settings.isRunning = false;
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});
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// Check for user activity every 30 seconds.
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window.setInterval( function(){ checkUserActivity(); }, 30000 );
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// Start one tick after DOM ready
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$document.ready( function() {
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settings.lastTick = time();
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scheduleNextTick();
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});
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}
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/**
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* Return the current time according to the browser
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*
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* @access private
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*
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* @return int
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*/
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function time() {
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return (new Date()).getTime();
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}
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/**
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* Check if the iframe is from the same origin
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*
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* @access private
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*
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* @return bool
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*/
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function isLocalFrame( frame ) {
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var origin, src = frame.src;
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// Need to compare strings as WebKit doesn't throw JS errors when iframes have different origin.
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// It throws uncatchable exceptions.
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if ( src && /^https?:\/\//.test( src ) ) {
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origin = window.location.origin ? window.location.origin : window.location.protocol + '//' + window.location.host;
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if ( src.indexOf( origin ) !== 0 )
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if ( src.indexOf( origin ) !== 0 ) {
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return false;
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}
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}
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try {
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if ( frame.contentWindow.document )
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if ( frame.contentWindow.document ) {
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return true;
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}
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} catch(e) {}
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return false;
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}
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// Set error state and fire an event on XHR errors or timeout
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function errorstate( error, status ) {
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/**
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* Set error state and fire an event on XHR errors or timeout
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*
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* @access private
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*
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* @param string error The error type passed from the XHR
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* @param int status The HTTP status code passed from jqXHR (200, 404, 500, etc.)
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* @return void
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*/
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function setErrorState( error, status ) {
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var trigger;
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if ( error ) {
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// no response for 30 sec.
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trigger = true;
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break;
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case 'parsererror':
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case 'error':
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if ( 503 === status && settings.hasConnected ) {
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trigger = true;
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break;
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}
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// Pass through other error statuses
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case 'parsererror':
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case 'empty':
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case 'unknown':
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errorcount++;
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settings.errorcount++;
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if ( errorcount > 2 )
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if ( settings.errorcount > 2 && settings.hasConnected ) {
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trigger = true;
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}
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break;
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}
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if ( 503 == status && false === hasConnectionError ) {
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trigger = true;
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}
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if ( trigger && ! self.hasConnectionError() ) {
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hasConnectionError = true;
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if ( trigger && ! hasConnectionError() ) {
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settings.connectionError = true;
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$(document).trigger( 'heartbeat-connection-lost', [error, status] );
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}
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} else if ( self.hasConnectionError() ) {
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errorcount = 0;
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hasConnectionError = false;
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$(document).trigger( 'heartbeat-connection-restored' );
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} else if ( null === hasConnectionError ) {
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hasConnectionError = false;
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}
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}
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/**
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* Clear the error state and fire an event
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*
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* @access private
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*
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* @return void
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*/
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function clearErrorState() {
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// Has connected successfully
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settings.hasConnected = true;
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if ( hasConnectionError() ) {
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settings.errorcount = 0;
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settings.connectionError = false;
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$document.trigger( 'heartbeat-connection-restored' );
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}
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}
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/**
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* Gather the data and connect to the server
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*
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* @access private
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*
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* @return void
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*/
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function connect() {
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var send = {}, data, i, empty = true,
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nonce = typeof window.heartbeatSettings == 'object' ? window.heartbeatSettings.nonce : '';
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tick = time();
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var ajaxData, heartbeatData;
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data = $.extend( {}, queue );
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// Clear the data queue, anything added after this point will be send on the next tick
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queue = {};
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$(document).trigger( 'heartbeat-send', [data] );
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for ( i in data ) {
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if ( data.hasOwnProperty( i ) ) {
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empty = false;
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break;
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}
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}
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// If nothing to send (nothing is expecting a response),
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// schedule the next tick and bail
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if ( empty && ! self.hasConnectionError() ) {
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connecting = false;
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next();
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// If the connection to the server is slower than the interval,
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// heartbeat connects as soon as the previous connection's response is received.
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if ( settings.connecting ) {
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return;
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}
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send.data = data;
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send.interval = interval / 1000;
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send._nonce = nonce;
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send.action = 'heartbeat';
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send.screen_id = screenId;
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send.has_focus = hasFocus;
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settings.lastTick = time();
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connecting = true;
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self.xhr = $.ajax({
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url: url,
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heartbeatData = $.extend( {}, settings.queue );
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// Clear the data queue, anything added after this point will be send on the next tick
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settings.queue = {};
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$document.trigger( 'heartbeat-send', [ heartbeatData ] );
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ajaxData = {
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data: heartbeatData,
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interval: settings.tempInterval ? settings.tempInterval / 1000 : settings.mainInterval / 1000,
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_nonce: typeof window.heartbeatSettings === 'object' ? window.heartbeatSettings.nonce : '',
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action: 'heartbeat',
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screen_id: settings.screenId,
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has_focus: settings.hasFocus
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};
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settings.connecting = true;
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settings.xhr = $.ajax({
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url: settings.url,
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type: 'post',
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timeout: 30000, // throw an error if not completed after 30 sec.
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data: send,
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data: ajaxData,
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dataType: 'json'
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}).always( function() {
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settings.connecting = false;
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scheduleNextTick();
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}).done( function( response, textStatus, jqXHR ) {
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var new_interval;
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var newInterval;
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if ( ! response )
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return errorstate( 'empty' );
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if ( ! response ) {
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setErrorState( 'empty' );
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return;
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}
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// Clear error state
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if ( self.hasConnectionError() )
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errorstate();
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clearErrorState();
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if ( response.nonces_expired ) {
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$(document).trigger( 'heartbeat-nonces-expired' );
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$document.trigger( 'heartbeat-nonces-expired' );
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return;
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}
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// Change the interval from PHP
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if ( response.heartbeat_interval ) {
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new_interval = response.heartbeat_interval;
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newInterval = response.heartbeat_interval;
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delete response.heartbeat_interval;
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}
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self.tick( response, textStatus, jqXHR );
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$document.trigger( 'heartbeat-tick', [response, textStatus, jqXHR] );
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// do this last, can trigger the next XHR if connection time > 5 sec. and new_interval == 'fast'
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if ( new_interval )
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self.interval.call( self, new_interval );
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}).always( function() {
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connecting = false;
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next();
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// Do this last, can trigger the next XHR if connection time > 5 sec. and newInterval == 'fast'
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if ( newInterval ) {
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setInterval( newInterval );
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}
|
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}).fail( function( jqXHR, textStatus, error ) {
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errorstate( textStatus || 'unknown', jqXHR.status );
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self.error( jqXHR, textStatus, error );
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setErrorState( textStatus || 'unknown', jqXHR.status );
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$document.trigger( 'heartbeat-error', [jqXHR, textStatus, error] );
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});
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}
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function next() {
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var delta = time() - tick, t = interval;
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/**
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* Schedule the next connection
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*
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* Fires immediately if the connection time is longer than the interval.
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*
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* @access private
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*
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* @return void
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*/
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function scheduleNextTick() {
|
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var delta = time() - settings.lastTick,
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interval = settings.mainInterval;
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|
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if ( ! running )
|
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if ( ! settings.isRunning ) {
|
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return;
|
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|
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if ( ! hasFocus ) {
|
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t = 100000; // 100 sec. Post locks expire after 120 sec.
|
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} else if ( countdown > 0 && tempInterval ) {
|
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t = tempInterval;
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countdown--;
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||||
}
|
||||
|
||||
window.clearTimeout(beat);
|
||||
if ( ! settings.hasFocus ) {
|
||||
interval = 120000; // 120 sec. Post locks expire after 150 sec.
|
||||
} else if ( settings.countdown > 0 && settings.tempInterval ) {
|
||||
interval = settings.tempInterval;
|
||||
settings.countdown--;
|
||||
|
||||
if ( delta < t ) {
|
||||
beat = window.setTimeout(
|
||||
if ( settings.countdown < 1 ) {
|
||||
settings.tempInterval = 0;
|
||||
}
|
||||
}
|
||||
|
||||
window.clearTimeout( settings.beatTimer );
|
||||
|
||||
if ( delta < interval ) {
|
||||
settings.beatTimer = window.setTimeout(
|
||||
function() {
|
||||
if ( running )
|
||||
connect();
|
||||
},
|
||||
t - delta
|
||||
interval - delta
|
||||
);
|
||||
} else {
|
||||
connect();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the internal state when the browser window looses focus
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function blurred() {
|
||||
window.clearTimeout(winBlurTimeout);
|
||||
window.clearTimeout(frameBlurTimeout);
|
||||
winBlurTimeout = frameBlurTimeout = 0;
|
||||
|
||||
hasFocus = false;
|
||||
clearFocusTimers();
|
||||
settings.hasFocus = false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the internal state when the browser window is focused
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function focused() {
|
||||
window.clearTimeout(winBlurTimeout);
|
||||
window.clearTimeout(frameBlurTimeout);
|
||||
winBlurTimeout = frameBlurTimeout = 0;
|
||||
clearFocusTimers();
|
||||
settings.userActivity = time();
|
||||
|
||||
isUserActive = time();
|
||||
|
||||
if ( hasFocus )
|
||||
return;
|
||||
|
||||
hasFocus = true;
|
||||
window.clearTimeout(beat);
|
||||
|
||||
if ( ! connecting )
|
||||
next();
|
||||
if ( ! settings.hasFocus ) {
|
||||
settings.hasFocus = true;
|
||||
scheduleNextTick();
|
||||
}
|
||||
}
|
||||
|
||||
function setFrameEvents() {
|
||||
/**
|
||||
* Add focus/blur events to all local iframes
|
||||
*
|
||||
* Used to detect when focus is moved from the main window to an iframe
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function setFrameFocusEvents() {
|
||||
$('iframe').each( function( i, frame ) {
|
||||
if ( ! isLocalFrame( frame ) )
|
||||
if ( ! isLocalFrame( frame ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
if ( $.data( frame, 'wp-heartbeat-focus' ) )
|
||||
if ( $.data( frame, 'wp-heartbeat-focus' ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
$.data( frame, 'wp-heartbeat-focus', 1 );
|
||||
|
||||
$( frame.contentWindow ).on( 'focus.wp-heartbeat-focus', function(e) {
|
||||
$( frame.contentWindow ).on( 'focus.wp-heartbeat-focus', function() {
|
||||
focused();
|
||||
}).on('blur.wp-heartbeat-focus', function(e) {
|
||||
setFrameEvents();
|
||||
frameBlurTimeout = window.setTimeout( function(){ blurred(); }, 500 );
|
||||
}).on('blur.wp-heartbeat-focus', function() {
|
||||
setFrameFocusEvents();
|
||||
// We don't know why 'blur' was fired. Either the user clicked in the main window or outside the browser.
|
||||
// Running blurred() after some timeout lets us cancel it if the user clicked in the main window.
|
||||
settings.frameBlurTimer = window.setTimeout( function(){ blurred(); }, 500 );
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
$(window).on( 'blur.wp-heartbeat-focus', function(e) {
|
||||
setFrameEvents();
|
||||
winBlurTimeout = window.setTimeout( function(){ blurred(); }, 500 );
|
||||
}).on( 'focus.wp-heartbeat-focus', function() {
|
||||
/**
|
||||
* Remove the focus/blur events to all local iframes
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function removeFrameFocusEvents() {
|
||||
$('iframe').each( function( i, frame ) {
|
||||
if ( !isLocalFrame( frame ) )
|
||||
if ( ! isLocalFrame( frame ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
$.removeData( frame, 'wp-heartbeat-focus' );
|
||||
$( frame.contentWindow ).off( '.wp-heartbeat-focus' );
|
||||
});
|
||||
}
|
||||
|
||||
focused();
|
||||
});
|
||||
/**
|
||||
* Clear the reset timers for focus/blur events on the window and iframes
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function clearFocusTimers() {
|
||||
window.clearTimeout( settings.winBlurTimer );
|
||||
window.clearTimeout( settings.frameBlurTimer );
|
||||
}
|
||||
|
||||
/**
|
||||
* Runs when the user becomes active after a period of inactivity
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function userIsActive() {
|
||||
userActiveEvents = false;
|
||||
$(document).off( '.wp-heartbeat-active' );
|
||||
settings.userActivityEvents = false;
|
||||
$document.off( '.wp-heartbeat-active' );
|
||||
|
||||
$('iframe').each( function( i, frame ) {
|
||||
if ( ! isLocalFrame( frame ) )
|
||||
if ( ! isLocalFrame( frame ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
$( frame.contentWindow ).off( '.wp-heartbeat-active' );
|
||||
});
|
||||
|
|
@ -324,101 +493,139 @@ window.wp = window.wp || {};
|
|||
focused();
|
||||
}
|
||||
|
||||
// Set 'hasFocus = true' if user is active and the window is in the background.
|
||||
// Set 'hasFocus = false' if the user has been inactive (no mouse or keyboard activity) for 5 min. even when the window has focus.
|
||||
function checkUserActive() {
|
||||
var lastActive = isUserActive ? time() - isUserActive : 0;
|
||||
/**
|
||||
* Check for user activity
|
||||
*
|
||||
* Runs every 30 sec.
|
||||
* Sets 'hasFocus = true' if user is active and the window is in the background.
|
||||
* Set 'hasFocus = false' if the user has been inactive (no mouse or keyboard activity)
|
||||
* for 5 min. even when the window has focus.
|
||||
*
|
||||
* @access private
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function checkUserActivity() {
|
||||
var lastActive = settings.userActivity ? time() - settings.userActivity : 0;
|
||||
|
||||
if ( lastActive > 300000 && settings.hasFocus ) {
|
||||
// Throttle down when no mouse or keyboard activity for 5 min
|
||||
if ( lastActive > 300000 && hasFocus )
|
||||
blurred();
|
||||
}
|
||||
|
||||
if ( ! userActiveEvents ) {
|
||||
$(document).on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active', function(){ userIsActive(); } );
|
||||
if ( ! settings.userActivityEvents ) {
|
||||
$document.on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active', function(){ userIsActive(); } );
|
||||
|
||||
$('iframe').each( function( i, frame ) {
|
||||
if ( ! isLocalFrame( frame ) )
|
||||
if ( ! isLocalFrame( frame ) ) {
|
||||
return;
|
||||
}
|
||||
|
||||
$( frame.contentWindow ).on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active', function(){ userIsActive(); } );
|
||||
});
|
||||
|
||||
userActiveEvents = true;
|
||||
settings.userActivityEvents = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Check for user activity every 30 seconds.
|
||||
window.setInterval( function(){ checkUserActive(); }, 30000 );
|
||||
$(document).ready( function() {
|
||||
// Start one tick (15 sec) after DOM ready
|
||||
running = true;
|
||||
tick = time();
|
||||
next();
|
||||
});
|
||||
// Public methods
|
||||
|
||||
this.hasFocus = function() {
|
||||
return hasFocus;
|
||||
};
|
||||
/**
|
||||
* Whether the window (or any local iframe in it) has focus, or the user is active
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
function hasFocus() {
|
||||
return settings.hasFocus;
|
||||
}
|
||||
|
||||
/**
|
||||
* Whether there is a connection error
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
function hasConnectionError() {
|
||||
return settings.connectionError;
|
||||
}
|
||||
|
||||
/**
|
||||
* Connect asap regardless of 'hasFocus'
|
||||
*
|
||||
* Will not open two concurrent connections. If a connection is in progress,
|
||||
* will connect again immediately after the current connection completes.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
function connectNow() {
|
||||
settings.lastTick = 0;
|
||||
scheduleNextTick();
|
||||
}
|
||||
|
||||
/**
|
||||
* Get/Set the interval
|
||||
*
|
||||
* When setting to 'fast', the interval is 5 sec. for the next 30 ticks (for 2 min and 30 sec).
|
||||
* When setting to 'fast' or 5, by default interval is 5 sec. for the next 30 ticks (for 2 min and 30 sec).
|
||||
* In this case the number of 'ticks' can be passed as second argument.
|
||||
* If the window doesn't have focus, the interval slows down to 2 min.
|
||||
*
|
||||
* @param string speed Interval speed: 'fast' (5sec), 'standard' (15sec) default, 'slow' (60sec)
|
||||
* @param string ticks Used with speed = 'fast', how many ticks before the speed reverts back
|
||||
* @param mixed speed Interval: 'fast' or 5, 15, 30, 60
|
||||
* @param string ticks Used with speed = 'fast' or 5, how many ticks before the interval reverts back
|
||||
* @return int Current interval in seconds
|
||||
*/
|
||||
this.interval = function( speed, ticks ) {
|
||||
var reset, seconds;
|
||||
ticks = parseInt( ticks, 10 ) || 30;
|
||||
ticks = ticks < 1 || ticks > 30 ? 30 : ticks;
|
||||
function setInterval( speed, ticks ) {
|
||||
var interval, oldInerval = settings.tempInterval ? settings.tempInterval : settings.mainInterval;
|
||||
|
||||
if ( speed ) {
|
||||
switch ( speed ) {
|
||||
case 'fast':
|
||||
seconds = 5;
|
||||
countdown = ticks;
|
||||
case 5:
|
||||
interval = 5000;
|
||||
break;
|
||||
case 'slow':
|
||||
seconds = 60;
|
||||
countdown = 0;
|
||||
case 15:
|
||||
interval = 15000;
|
||||
break;
|
||||
case 30:
|
||||
interval = 30000;
|
||||
break;
|
||||
case 60:
|
||||
interval = 60000;
|
||||
break;
|
||||
case 'long-polling':
|
||||
// Allow long polling, (experimental)
|
||||
interval = 0;
|
||||
settings.mainInterval = 0;
|
||||
return 0;
|
||||
break;
|
||||
default:
|
||||
seconds = 15;
|
||||
countdown = 0;
|
||||
interval = settings.originalInterval;
|
||||
}
|
||||
|
||||
// Reset when the new interval value is lower than the current one
|
||||
reset = seconds * 1000 < interval;
|
||||
if ( 5000 === interval ) {
|
||||
ticks = parseInt( ticks, 10 ) || 30;
|
||||
ticks = ticks < 1 || ticks > 30 ? 30 : ticks;
|
||||
|
||||
if ( countdown > 0 ) {
|
||||
tempInterval = seconds * 1000;
|
||||
settings.countdown = ticks;
|
||||
settings.tempInterval = interval;
|
||||
} else {
|
||||
interval = seconds * 1000;
|
||||
tempInterval = 0;
|
||||
settings.countdown = 0;
|
||||
settings.tempInterval = 0;
|
||||
settings.mainInterval = interval;
|
||||
}
|
||||
|
||||
if ( reset )
|
||||
next();
|
||||
// Change the next connection time if new interval has been set.
|
||||
// Will connect immediately if the time since the last connection
|
||||
// is greater than the new interval.
|
||||
if ( interval !== oldInerval ) {
|
||||
scheduleNextTick();
|
||||
}
|
||||
}
|
||||
|
||||
if ( ! hasFocus )
|
||||
return 120;
|
||||
|
||||
return tempInterval ? tempInterval / 1000 : interval / 1000;
|
||||
};
|
||||
return settings.tempInterval ? settings.tempInterval / 1000 : settings.mainInterval / 1000;
|
||||
}
|
||||
|
||||
/**
|
||||
* Enqueue data to send with the next XHR
|
||||
*
|
||||
* As the data is sent later, this function doesn't return the XHR response.
|
||||
* As the data is send asynchronously, this function doesn't return the XHR response.
|
||||
* To see the response, use the custom jQuery event 'heartbeat-tick' on the document, example:
|
||||
* $(document).on( 'heartbeat-tick.myname', function( event, data, textStatus, jqXHR ) {
|
||||
* // code
|
||||
|
|
@ -428,19 +635,20 @@ window.wp = window.wp || {};
|
|||
*
|
||||
* $param string handle Unique handle for the data. The handle is used in PHP to receive the data.
|
||||
* $param mixed data The data to send.
|
||||
* $param bool dont_overwrite Whether to overwrite existing data in the queue.
|
||||
* $param bool noOverwrite Whether to overwrite existing data in the queue.
|
||||
* $return bool Whether the data was queued or not.
|
||||
*/
|
||||
this.enqueue = function( handle, data, dont_overwrite ) {
|
||||
function enqueue( handle, data, noOverwrite ) {
|
||||
if ( handle ) {
|
||||
if ( dont_overwrite && this.isQueued( handle ) )
|
||||
if ( noOverwrite && this.isQueued( handle ) ) {
|
||||
return false;
|
||||
}
|
||||
|
||||
queue[handle] = data;
|
||||
settings.queue[handle] = data;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if data with a particular handle is queued
|
||||
|
|
@ -448,10 +656,11 @@ window.wp = window.wp || {};
|
|||
* $param string handle The handle for the data
|
||||
* $return bool Whether some data is queued with this handle
|
||||
*/
|
||||
this.isQueued = function( handle ) {
|
||||
if ( handle )
|
||||
return queue.hasOwnProperty( handle );
|
||||
};
|
||||
function isQueued( handle ) {
|
||||
if ( handle ) {
|
||||
return settings.queue.hasOwnProperty( handle );
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove data with a particular handle from the queue
|
||||
|
|
@ -459,10 +668,11 @@ window.wp = window.wp || {};
|
|||
* $param string handle The handle for the data
|
||||
* $return void
|
||||
*/
|
||||
this.dequeue = function( handle ) {
|
||||
if ( handle )
|
||||
delete queue[handle];
|
||||
};
|
||||
function dequeue( handle ) {
|
||||
if ( handle ) {
|
||||
delete settings.queue[handle];
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get data that was enqueued with a particular handle
|
||||
|
|
@ -470,21 +680,29 @@ window.wp = window.wp || {};
|
|||
* $param string handle The handle for the data
|
||||
* $return mixed The data or undefined
|
||||
*/
|
||||
this.getQueuedItem = function( handle ) {
|
||||
if ( handle )
|
||||
return this.isQueued( handle ) ? queue[handle] : undefined;
|
||||
};
|
||||
};
|
||||
|
||||
$.extend( Heartbeat.prototype, {
|
||||
tick: function( data, textStatus, jqXHR ) {
|
||||
$(document).trigger( 'heartbeat-tick', [data, textStatus, jqXHR] );
|
||||
},
|
||||
error: function( jqXHR, textStatus, error ) {
|
||||
$(document).trigger( 'heartbeat-error', [jqXHR, textStatus, error] );
|
||||
function getQueuedItem( handle ) {
|
||||
if ( handle ) {
|
||||
return this.isQueued( handle ) ? settings.queue[handle] : undefined;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
wp.heartbeat = new Heartbeat();
|
||||
initialize();
|
||||
|
||||
}(jQuery));
|
||||
// Expose public methods
|
||||
return {
|
||||
hasFocus: hasFocus,
|
||||
connectNow: connectNow,
|
||||
setInterval: setInterval,
|
||||
hasConnectionError: hasConnectionError,
|
||||
enqueue: enqueue,
|
||||
dequeue: dequeue,
|
||||
isQueued: isQueued,
|
||||
getQueuedItem: getQueuedItem
|
||||
};
|
||||
};
|
||||
|
||||
// Ensure the global `wp` object exists.
|
||||
window.wp = window.wp || {};
|
||||
window.wp.heartbeat = new Heartbeat();
|
||||
|
||||
}( jQuery, window ));
|
||||
|
|
|
|||
|
|
@ -1 +1 @@
|
|||
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|
||||
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