Split functionality from container to manager classes.

src/Manager/Toolbar_Manager.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Rarst\Laps\Manager;
+
+use Pimple\Container;
+use Pimple\ServiceProviderInterface;
+use Rarst\Laps\Bootable_Provider_Interface;
+use Rarst\Laps\Events\Recursive_Event_Iterator;
+use Rarst\Laps\Laps;
+use Rarst\Laps\Timeline_Iterator;
+
+class Toolbar_Manager implements ServiceProviderInterface, Bootable_Provider_Interface {
+
+	/** @var Laps $laps */
+	protected $laps;
+
+	public function register( Container $pimple ) {
+
+	}
+
+	public function boot( Laps $laps ) {
+
+		$this->laps = $laps;
+
+		add_action( 'admin_bar_menu', [ $this, 'admin_bar_menu' ], 100 );
+	}
+
+	/**
+	 * Render interface and add to the toolbar.
+	 *
+	 * @param \WP_Admin_Bar $wp_admin_bar
+	 */
+	public function admin_bar_menu( $wp_admin_bar ) {
+
+		if ( ! apply_filters( 'laps_can_see', current_user_can( 'manage_options' ) ) ) {
+			return;
+		}
+
+		global $timestart;
+
+		$records = $this->laps['records'];
+		$start   = $timestart * 1000;
+		$end     = microtime( true ) * 1000;
+		$total   = $end - $start;
+
+		foreach ( $records as $key => $event ) {
+			$records[ $key ]['offset'] = round( ( $event['origin'] - $start ) / $total * 100, 2 );
+			$records[ $key ]['width']  = round( $event['duration'] / $total * 100, 2 );
+		}
+
+		$wp_admin_bar->add_node( [
+			'id'    => 'laps',
+			'title' => sprintf( 'Lap: %ss', round( $total / 1000, 3 ) ),
+		] );
+
+		$wp_admin_bar->add_node( [
+			'id'     => 'laps_output',
+			'parent' => 'laps',
+			'meta'   => [
+				'html' => $this->laps['mustache']->render( 'laps', [
+					'timelines' => new Timeline_Iterator( new Recursive_Event_Iterator( $records ) ),
+				] ),
+			],
+		] );
+	}
+}