Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) E:\copia nuevo\htdocs\cumbreclima\wp-includes\js\ drwxrwxrwx |
Viewing file: Select action/file-type: /** * Heartbeat API * * Heartbeat is a simple server polling API that sends XHR requests to * the server every 15 - 60 seconds and triggers events (or callbacks) upon * receiving data. Currently these 'ticks' handle transports for post locking, * login-expiration warnings, autosave, and related tasks while a user is logged in. * * Available PHP filters (in ajax-actions.php): * - heartbeat_received * - heartbeat_send * - heartbeat_tick * - heartbeat_nopriv_received * - heartbeat_nopriv_send * - heartbeat_nopriv_tick * @see wp_ajax_nopriv_heartbeat(), wp_ajax_heartbeat() * * Custom jQuery events: * - heartbeat-send * - heartbeat-tick * - heartbeat-error * - heartbeat-connection-lost * - heartbeat-connection-restored * - heartbeat-nonces-expired * * @since 3.6.0 */ ( function( $, window, undefined ) { var Heartbeat = function() { var $document = $(document), settings = { // Suspend/resume suspend: false, // Whether suspending is enabled suspendEnabled: true, // Current screen id, defaults to the JS global 'pagenow' when present (in the admin) or 'front' screenId: '', // XHR request URL, defaults to the JS global 'ajaxurl' when present url: '', // Timestamp, start of the last connection request lastTick: 0, // Container for the enqueued items queue: {}, // Connect interval (in seconds) mainInterval: 60, // Used when the interval is set to 5 sec. temporarily tempInterval: 0, // Used when the interval is reset originalInterval: 0, // Used to limit the number of AJAX requests. minimalInterval: 0, // Used together with tempInterval countdown: 0, // Whether a connection is currently in progress connecting: false, // Whether a connection error occurred connectionError: false, // Used to track non-critical errors errorcount: 0, // Whether at least one connection has completed successfully hasConnected: false, // Whether the current browser window is in focus and the user is active hasFocus: true, // Timestamp, last time the user was active. Checked every 30 sec. userActivity: 0, // Flags whether events tracking user activity were set userActivityEvents: false, checkFocusTimer: 0, beatTimer: 0 }; /** * Set local vars and events, then start * * @access private * * @return void */ function initialize() { var options, hidden, visibilityState, visibilitychange; if ( typeof window.pagenow === 'string' ) { settings.screenId = window.pagenow; } if ( typeof window.ajaxurl === 'string' ) { settings.url = window.ajaxurl; } // Pull in options passed from PHP if ( typeof window.heartbeatSettings === 'object' ) { options = window.heartbeatSettings; // The XHR URL can be passed as option when window.ajaxurl is not set if ( ! settings.url && options.ajaxurl ) { settings.url = options.ajaxurl; } // The interval can be from 15 to 120 sec. and can be set temporarily to 5 sec. // It can be set in the initial options or changed later from JS and/or from PHP. if ( options.interval ) { settings.mainInterval = options.interval; if ( settings.mainInterval < 15 ) { settings.mainInterval = 15; } else if ( settings.mainInterval > 120 ) { settings.mainInterval = 120; } } // Used to limit the number of AJAX requests. Overrides all other intervals if they are shorter. // Needed for some hosts that cannot handle frequent requests and the user may exceed the allocated server CPU time, etc. // The minimal interval can be up to 600 sec. however setting it to longer than 120 sec. will limit or disable // some of the functionality (like post locks). // Once set at initialization, minimalInterval cannot be changed/overriden. if ( options.minimalInterval ) { options.minimalInterval = parseInt( options.minimalInterval, 10 ); settings.minimalInterval = options.minimalInterval > 0 && options.minimalInterval <= 600 ? options.minimalInterval * 1000 : 0; } if ( settings.minimalInterval && settings.mainInterval < settings.minimalInterval ) { settings.mainInterval = settings.minimalInterval; } // 'screenId' can be added from settings on the front-end where the JS global 'pagenow' is not set if ( ! settings.screenId ) { settings.screenId = options.screenId || 'front'; } if ( options.suspension === 'disable' ) { settings.suspendEnabled = false; } } // Convert to milliseconds settings.mainInterval = settings.mainInterval * 1000; settings.originalInterval = settings.mainInterval; // Switch the interval to 120 sec. by using the Page Visibility API. // If the browser doesn't support it (Safari < 7, Android < 4.4, IE < 10), the interval // will be increased to 120 sec. after 5 min. of mouse and keyboard inactivity. if ( typeof document.hidden !== 'undefined' ) { hidden = 'hidden'; visibilitychange = 'visibilitychange'; visibilityState = 'visibilityState'; } else if ( typeof document.msHidden !== 'undefined' ) { // IE10 hidden = 'msHidden'; visibilitychange = 'msvisibilitychange'; visibilityState = 'msVisibilityState'; } else if ( typeof document.webkitHidden !== 'undefined' ) { // Android hidden = 'webkitHidden'; visibilitychange = 'webkitvisibilitychange'; visibilityState = 'webkitVisibilityState'; } if ( hidden ) { if ( document[hidden] ) { settings.hasFocus = false; } $document.on( visibilitychange + '.wp-heartbeat', function() { if ( document[visibilityState] === 'hidden' ) { blurred(); window.clearInterval( settings.checkFocusTimer ); } else { focused(); if ( document.hasFocus ) { settings.checkFocusTimer = window.setInterval( checkFocus, 10000 ); } } }); } // Use document.hasFocus() if available. if ( document.hasFocus ) { settings.checkFocusTimer = window.setInterval( checkFocus, 10000 ); } $(window).on( 'unload.wp-heartbeat', function() { // Don't connect any more settings.suspend = true; // Abort the last request if not completed if ( settings.xhr && settings.xhr.readyState !== 4 ) { settings.xhr.abort(); } }); // Check for user activity every 30 seconds. window.setInterval( checkUserActivity, 30000 ); // Start one tick after DOM ready $document.ready( function() { settings.lastTick = time(); scheduleNextTick(); }); } /** * Return the current time according to the browser * * @access private * * @return int */ function time() { return (new Date()).getTime(); } /** * Check if the iframe is from the same origin * * @access private * * @return bool */ function isLocalFrame( frame ) { var origin, src = frame.src; // Need to compare strings as WebKit doesn't throw JS errors when iframes have different origin. // It throws uncatchable exceptions. if ( src && /^https?:\/\//.test( src ) ) { origin = window.location.origin ? window.location.origin : window.location.protocol + '//' + window.location.host; if ( src.indexOf( origin ) !== 0 ) { return false; } } try { if ( frame.contentWindow.document ) { return true; } } catch(e) {} return false; } /** * Check if the document's focus has changed * * @access private * * @return void */ function checkFocus() { if ( settings.hasFocus && ! document.hasFocus() ) { blurred(); } else if ( ! settings.hasFocus && document.hasFocus() ) { focused(); } } /** * Set error state and fire an event on XHR errors or timeout * * @access private * * @param string error The error type passed from the XHR * @param int status The HTTP status code passed from jqXHR (200, 404, 500, etc.) * @return void */ function setErrorState( error, status ) { var trigger; if ( error ) { switch ( error ) { case 'abort': // do nothing break; case 'timeout': // no response for 30 sec. trigger = true; break; case 'error': if ( 503 === status && settings.hasConnected ) { trigger = true; break; } /* falls through */ case 'parsererror': case 'empty': case 'unknown': settings.errorcount++; if ( settings.errorcount > 2 && settings.hasConnected ) { trigger = true; } break; } if ( trigger && ! hasConnectionError() ) { settings.connectionError = true; $document.trigger( 'heartbeat-connection-lost', [error, status] ); } } } /** * Clear the error state and fire an event * * @access private * * @return void */ function clearErrorState() { // Has connected successfully settings.hasConnected = true; if ( hasConnectionError() ) { settings.errorcount = 0; settings.connectionError = false; $document.trigger( 'heartbeat-connection-restored' ); } } /** * Gather the data and connect to the server * * @access private * * @return void */ function connect() { var ajaxData, heartbeatData; // If the connection to the server is slower than the interval, // heartbeat connects as soon as the previous connection's response is received. if ( settings.connecting || settings.suspend ) { return; } settings.lastTick = time(); heartbeatData = $.extend( {}, settings.queue ); // Clear the data queue, anything added after this point will be send on the next tick settings.queue = {}; $document.trigger( 'heartbeat-send', [ heartbeatData ] ); ajaxData = { data: heartbeatData, interval: settings.tempInterval ? settings.tempInterval / 1000 : settings.mainInterval / 1000, _nonce: typeof window.heartbeatSettings === 'object' ? window.heartbeatSettings.nonce : '', action: 'heartbeat', screen_id: settings.screenId, has_focus: settings.hasFocus }; settings.connecting = true; settings.xhr = $.ajax({ url: settings.url, type: 'post', timeout: 30000, // throw an error if not completed after 30 sec. data: ajaxData, dataType: 'json' }).always( function() { settings.connecting = false; scheduleNextTick(); }).done( function( response, textStatus, jqXHR ) { var newInterval; if ( ! response ) { setErrorState( 'empty' ); return; } clearErrorState(); if ( response.nonces_expired ) { $document.trigger( 'heartbeat-nonces-expired' ); return; } // Change the interval from PHP if ( response.heartbeat_interval ) { newInterval = response.heartbeat_interval; delete response.heartbeat_interval; } $document.trigger( 'heartbeat-tick', [response, textStatus, jqXHR] ); // Do this last, can trigger the next XHR if connection time > 5 sec. and newInterval == 'fast' if ( newInterval ) { interval( newInterval ); } }).fail( function( jqXHR, textStatus, error ) { setErrorState( textStatus || 'unknown', jqXHR.status ); $document.trigger( 'heartbeat-error', [jqXHR, textStatus, error] ); }); } /** * Schedule the next connection * * Fires immediately if the connection time is longer than the interval. * * @access private * * @return void */ function scheduleNextTick() { var delta = time() - settings.lastTick, interval = settings.mainInterval; if ( settings.suspend ) { return; } 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 ( settings.countdown < 1 ) { settings.tempInterval = 0; } } if ( settings.minimalInterval && interval < settings.minimalInterval ) { interval = settings.minimalInterval; } window.clearTimeout( settings.beatTimer ); if ( delta < interval ) { settings.beatTimer = window.setTimeout( function() { connect(); }, interval - delta ); } else { connect(); } } /** * Set the internal state when the browser window becomes hidden or loses focus * * @access private * * @return void */ function blurred() { settings.hasFocus = false; } /** * Set the internal state when the browser window becomes visible or is in focus * * @access private * * @return void */ function focused() { settings.userActivity = time(); // Resume if suspended settings.suspend = false; if ( ! settings.hasFocus ) { settings.hasFocus = true; scheduleNextTick(); } } /** * Runs when the user becomes active after a period of inactivity * * @access private * * @return void */ function userIsActive() { settings.userActivityEvents = false; $document.off( '.wp-heartbeat-active' ); $('iframe').each( function( i, frame ) { if ( isLocalFrame( frame ) ) { $( frame.contentWindow ).off( '.wp-heartbeat-active' ); } }); focused(); } /** * 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; // Throttle down when no mouse or keyboard activity for 5 min. if ( lastActive > 300000 && settings.hasFocus ) { blurred(); } // Suspend after 10 min. of inactivity when suspending is enabled. // Always suspend after 60 min. of inactivity. This will release the post lock, etc. if ( ( settings.suspendEnabled && lastActive > 600000 ) || lastActive > 3600000 ) { settings.suspend = true; } if ( ! settings.userActivityEvents ) { $document.on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active touchend.wp-heartbeat-active', function() { userIsActive(); }); $('iframe').each( function( i, frame ) { if ( isLocalFrame( frame ) ) { $( frame.contentWindow ).on( 'mouseover.wp-heartbeat-active keyup.wp-heartbeat-active touchend.wp-heartbeat-active', function() { userIsActive(); }); } }); settings.userActivityEvents = true; } } // Public methods /** * 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(); } /** * Disable suspending * * Should be used only when Heartbeat is performing critical tasks like autosave, post-locking, etc. * Using this on many screens may overload the user's hosting account if several * browser windows/tabs are left open for a long time. * * @return void */ function disableSuspend() { settings.suspendEnabled = false; } /** * Get/Set the interval * * 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 mixed speed Interval: 'fast' or 5, 15, 30, 60, 120 * @param string ticks Used with speed = 'fast' or 5, how many ticks before the interval reverts back * @return int Current interval in seconds */ function interval( speed, ticks ) { var newInterval, oldInterval = settings.tempInterval ? settings.tempInterval : settings.mainInterval; if ( speed ) { switch ( speed ) { case 'fast': case 5: newInterval = 5000; break; case 15: newInterval = 15000; break; case 30: newInterval = 30000; break; case 60: newInterval = 60000; break; case 120: newInterval = 120000; break; case 'long-polling': // Allow long polling, (experimental) settings.mainInterval = 0; return 0; default: newInterval = settings.originalInterval; } if ( settings.minimalInterval && newInterval < settings.minimalInterval ) { newInterval = settings.minimalInterval; } if ( 5000 === newInterval ) { ticks = parseInt( ticks, 10 ) || 30; ticks = ticks < 1 || ticks > 30 ? 30 : ticks; settings.countdown = ticks; settings.tempInterval = newInterval; } else { settings.countdown = 0; settings.tempInterval = 0; settings.mainInterval = newInterval; } // 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 ( newInterval !== oldInterval ) { scheduleNextTick(); } } return settings.tempInterval ? settings.tempInterval / 1000 : settings.mainInterval / 1000; } /** * Enqueue data to send with the next XHR * * 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 * }); * If the same 'handle' is used more than once, the data is not overwritten when the third argument is 'true'. * Use wp.heartbeat.isQueued('handle') to see if any data is already queued for that handle. * * $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 noOverwrite Whether to overwrite existing data in the queue. * $return bool Whether the data was queued or not. */ function enqueue( handle, data, noOverwrite ) { if ( handle ) { if ( noOverwrite && this.isQueued( handle ) ) { return false; } settings.queue[handle] = data; return true; } return false; } /** * Check if data with a particular handle is queued * * $param string handle The handle for the data * $return bool Whether some data is queued with this handle */ function isQueued( handle ) { if ( handle ) { return settings.queue.hasOwnProperty( handle ); } } /** * Remove data with a particular handle from the queue * * $param string handle The handle for the data * $return void */ function dequeue( handle ) { if ( handle ) { delete settings.queue[handle]; } } /** * Get data that was enqueued with a particular handle * * $param string handle The handle for the data * $return mixed The data or undefined */ function getQueuedItem( handle ) { if ( handle ) { return this.isQueued( handle ) ? settings.queue[handle] : undefined; } } initialize(); // Expose public methods return { hasFocus: hasFocus, connectNow: connectNow, disableSuspend: disableSuspend, interval: interval, 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 )); |
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