initial commit

exp/Plugin/DebugKit/View/Helper/DebugTimerHelper.php

@@ -0,0 +1,90 @@
+<?php
+/**
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @since         DebugKit 2.1
+ * @license       http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+
+App::uses('DebugTimer', 'DebugKit.Lib');
+App::uses('DebugMemory', 'DebugKit.Lib');
+App::uses('Helper', 'View');
+
+/**
+ * Class DebugTimerHelper
+ *
+ * Tracks time and memory usage while rendering view.
+ *
+ */
+class DebugTimerHelper extends Helper {
+
+/**
+ * Set to true when rendering is complete.
+ * Used to not add timers for rendering the toolbar.
+ *
+ * @var boolean
+ */
+	protected $_renderComplete = false;
+
+/**
+ * Constructor
+ *
+ * @param View $View
+ * @param array $settings
+ */
+	public function __construct(View $View, $settings = array()) {
+		parent::__construct($View, $settings);
+		DebugTimer::start(
+			'viewRender',
+			__d('debug_kit', 'Rendering View')
+		);
+	}
+
+/**
+ * Sets a timer point before rendering a file.
+ *
+ * @param string $viewFile The view being rendered
+ */
+	public function beforeRenderFile($viewFile) {
+		if ($this->_renderComplete) {
+			return;
+		}
+		DebugTimer::start(
+			'render_' . basename($viewFile),
+			__d('debug_kit', 'Rendering %s',
+			Debugger::trimPath($viewFile))
+		);
+	}
+
+/**
+ * Stops the timer point before rendering a file.
+ *
+ * @param string $viewFile The view being rendered
+ * @param string $content The contents of the view.
+ */
+	public function afterRenderFile($viewFile, $content) {
+		if ($this->_renderComplete) {
+			return;
+		}
+		DebugTimer::stop('render_' . basename($viewFile));
+	}
+
+/**
+ * Stop timers for rendering.
+ *
+ * @param string $layoutFile
+ */
+	public function afterLayout($layoutFile) {
+		DebugTimer::stop('viewRender');
+		DebugTimer::stop('controllerRender');
+		DebugMemory::record(__d('debug_kit', 'View render complete'));
+		$this->_renderComplete = true;
+	}
+
+}