Initial commit

wordpress_plugins/query-monitor-extend-version-1.0/collectors/heartbeat.php

@@ -0,0 +1,165 @@
+<?php
+/**
+ * Heartbeat collector.
+ *
+ * @package query-monitor-extend
+ */
+
+class QMX_Collector_Heartbeat extends QMX_Collector {
+
+	public $id = 'heartbeat';
+
+	function __construct() {
+		parent::__construct();
+
+		if ( $this->qm_no_jquery() )
+			return;
+
+		add_action( 'wp_enqueue_scripts', array( &$this, 'add_inline_script' ) );
+		add_action( 'admin_enqueue_scripts', array( &$this, 'add_inline_script' ) );
+	}
+
+	public function add_inline_script() {
+		wp_add_inline_script( 'heartbeat', $this->_inlineScript_heartbeat() );
+	}
+
+	public function _inlineScript_heartbeat() {
+		ob_start();
+		?>
+
+		var qmx_heartbeat = {
+
+			_beat: null,
+			_beats: [],
+			_start: 0,
+			_table: null,
+			_tab: null,
+			_table_ready: false,
+
+			_prev_dub: 0,
+
+			init: function() {
+
+				var that = this;
+				var d = new Date();
+				this._start = d.getTime();
+
+				jQuery( document ).on( 'heartbeat-send', function() {
+					var d = new Date();
+					var lub = d.getTime();
+					var count = ( that._beats.find( 'tr' ).length + 1 );
+
+					if (
+						2 == count
+						&& that._beats.find( 'tr' ).hasClass( 'listening' )
+					) {
+						that._beats.html( '' );
+						count = 1;
+					}
+
+					if ( !that._table_ready ) {
+						that._beat = { lub: lub };
+						return;
+					}
+
+					that.add_table_row( that.get_table_row(
+						count,
+						lub,
+						'',
+						(
+							0 == that._prev_dub
+							? '-'
+							: ( lub - that._prev_dub )
+						),
+						'-'
+					) );
+					that.update_tab( count );
+					that._beat = that._beats.find( 'tr:last-child' );
+				} );
+
+				jQuery( document ).on( 'heartbeat-tick', function() {
+					var d = new Date();
+					var dub = d.getTime();
+
+					if ( !that._table_ready ) {
+						that._beat.dub = dub;
+						that['_beats'].push( that._beat );
+						that._beat = null;
+						return;
+					}
+
+					var dub_secs = ( dub - that._start ) / 1000;
+					var duration = ( ( ( dub - that._start ) / 1000 ) - parseFloat( that._beat.find( 'td.lub' ).text() ) );
+
+					that._beat.find( 'td.dub' ).html( dub_secs.toFixed( 3 ) );
+					that._beat.find( 'td.dur' ).html( duration.toFixed( 3 ) );
+					that._prev_dub = dub;
+				} );
+
+			},
+
+			populate_table: function() {
+				this._table_ready = true;
+				this._table = jQuery( <?php echo json_encode( '#' . esc_attr( $this->id() ) . ' > table' ) ?> );
+				this._beats = this._table.find( 'tbody' );
+			},
+
+			add_table_row: function( tr ) {
+				this._table.find( 'tbody:last-child' ).append( tr );
+			},
+
+			get_table_row: function( index, lub, dub, since_last, duration ) {
+				var lub_diff = ( lub - this._start ) / 1000;
+				var dub_diff = ( dub - this._start ) / 1000;
+				var duration_secs = duration / 1000;
+
+				var since_last_secs = '-' != since_last ? since_last / 1000 : '-';
+				since_last_secs = '-' != since_last_secs ? since_last_secs.toFixed( 3 ) : '-';
+
+				return '<tr' +
+					(
+						1 == ( index % 2 )
+						? ' class="qm-odd"'
+						: ''
+					) +
+				'>' +
+					'<td class="qm-num">' + index + '</td>' +
+					'<td class="qm-num lub">' + lub_diff.toFixed( 3 ) + '</td>' +
+					'<td class="qm-num dub">' + dub_diff.toFixed( 3 ) + '</td>' +
+					'<td class="qm-num since">' + since_last_secs + '</td>' +
+					'<td class="qm-num dur">' + duration_secs.toFixed( 3 ) + '</td>' +
+				'</tr>';
+			},
+
+			update_tab: function( count ) {
+				this._tab = jQuery( '#qm-panel-menu button[data-qm-href=<?php echo json_encode( '#' . esc_attr( $this->id() ) ) ?>]' );
+				this._tab.html( 'Heartbeats (' + count + ')' );
+			}
+
+		};
+
+		qmx_heartbeat.init();
+
+		<?php
+		return ob_get_clean();
+	}
+
+	public function name() {
+		return __( 'Heartbeat', 'query-monitor-extend' );
+	}
+
+	public function process() {
+	}
+
+	public function qm_no_jquery() {
+		return defined( 'QM_NO_JQUERY' ) && QM_NO_JQUERY;
+	}
+
+}
+
+function register_qmx_collector_heartbeat( array $collectors, QueryMonitorExtend $qmx ) {
+	$collectors['heartbeat'] = new QMX_Collector_Heartbeat;
+	return $collectors;
+}
+
+add_filter( 'qmx/collectors', 'register_qmx_collector_heartbeat', 10, 2 );