--- /dev/null
+<?php
+
+namespace Drupal\webprofiler\Views;
+
+use Drupal\views\ViewExecutable;
+use Drupal\views\Views;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Class TraceableViewExecutable
+ */
+class TraceableViewExecutable extends ViewExecutable {
+
+ /**
+ * @var float
+ */
+ protected $render_time;
+
+ /**
+ * Gets the build time.
+ *
+ * @return float
+ */
+ public function getBuildTime() {
+ return $this->build_time;
+ }
+
+ /**
+ * Gets the execute time.
+ *
+ * @return float
+ */
+ public function getExecuteTime() {
+ return $this->execute_time;
+ }
+
+ /**
+ * Gets the render time.
+ *
+ * @return float
+ */
+ public function getRenderTime() {
+ return $this->render_time;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function render($display_id = NULL) {
+ $start = microtime(TRUE);
+
+ $this->execute($display_id);
+
+ // Check to see if the build failed.
+ if (!empty($this->build_info['fail'])) {
+ return;
+ }
+ if (!empty($this->build_info['denied'])) {
+ return;
+ }
+
+ /** @var \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginInterface $exposed_form */
+ $exposed_form = $this->display_handler->getPlugin('exposed_form');
+ $exposed_form->preRender($this->result);
+
+ $module_handler = \Drupal::moduleHandler();
+
+ // @TODO In the longrun, it would be great to execute a view without
+ // the theme system at all. See https://www.drupal.org/node/2322623.
+ $active_theme = \Drupal::theme()->getActiveTheme();
+ $themes = array_keys($active_theme->getBaseThemes());
+ $themes[] = $active_theme->getName();
+
+ // Check for already-cached output.
+ /** @var \Drupal\views\Plugin\views\cache\CachePluginBase $cache */
+ if (!empty($this->live_preview)) {
+ $cache = Views::pluginManager('cache')->createInstance('none');
+ }
+ else {
+ $cache = $this->display_handler->getPlugin('cache');
+ }
+
+ // Run preRender for the pager as it might change the result.
+ if (!empty($this->pager)) {
+ $this->pager->preRender($this->result);
+ }
+
+ // Initialize the style plugin.
+ $this->initStyle();
+
+ if (!isset($this->response)) {
+ // Set the response so other parts can alter it.
+ $this->response = new Response('', 200);
+ }
+
+ // Give field handlers the opportunity to perform additional queries
+ // using the entire resultset prior to rendering.
+ if ($this->style_plugin->usesFields()) {
+ foreach ($this->field as $id => $handler) {
+ if (!empty($this->field[$id])) {
+ $this->field[$id]->preRender($this->result);
+ }
+ }
+ }
+
+ $this->style_plugin->preRender($this->result);
+
+ // Let each area handler have access to the result set.
+ $areas = ['header', 'footer'];
+ // Only call preRender() on the empty handlers if the result is empty.
+ if (empty($this->result)) {
+ $areas[] = 'empty';
+ }
+ foreach ($areas as $area) {
+ foreach ($this->{$area} as $handler) {
+ $handler->preRender($this->result);
+ }
+ }
+
+ // Let modules modify the view just prior to rendering it.
+ $module_handler->invokeAll('views_pre_render', [$this]);
+
+ // Let the themes play too, because pre render is a very themey thing.
+ foreach ($themes as $theme_name) {
+ $function = $theme_name . '_views_pre_render';
+ if (function_exists($function)) {
+ $function($this);
+ }
+ }
+
+ $this->display_handler->output = $this->display_handler->render();
+
+ $exposed_form->postRender($this->display_handler->output);
+
+ $cache->postRender($this->display_handler->output);
+
+ // Let modules modify the view output after it is rendered.
+ $module_handler->invokeAll('views_post_render', [
+ $this,
+ &$this->display_handler->output,
+ $cache
+ ]);
+
+ // Let the themes play too, because post render is a very themey thing.
+ foreach ($themes as $theme_name) {
+ $function = $theme_name . '_views_post_render';
+ if (function_exists($function)) {
+ $function($this, $this->display_handler->output, $cache);
+ }
+ }
+
+ $this->render_time = microtime(TRUE) - $start;
+
+ return $this->display_handler->output;
+ }
+}