class AjaxResponseAttachmentsProcessor in Advanced CSS/JS Aggregation 8.2
Hierarchy
- class \Drupal\Core\Ajax\AjaxResponseAttachmentsProcessor implements AttachmentsResponseProcessorInterface
- class \Drupal\advagg\Ajax\AjaxResponseAttachmentsProcessor implements AttachmentsResponseProcessorInterface
Expanded class hierarchy of AjaxResponseAttachmentsProcessor
1 string reference to 'AjaxResponseAttachmentsProcessor'
1 service uses AjaxResponseAttachmentsProcessor
File
- src/
Ajax/ AjaxResponseAttachmentsProcessor.php, line 18
Namespace
Drupal\advagg\AjaxView source
class AjaxResponseAttachmentsProcessor extends CoreAjaxResponseAttachmentsProcessor implements AttachmentsResponseProcessorInterface {
/**
* {@inheritdoc}
*/
protected function buildAttachmentsCommands(AjaxResponse $response, Request $request) {
$ajax_page_state = $request->request
->get('ajax_page_state') ?: $request->query
->get('ajax_page_state');
// Aggregate CSS/JS if necessary, but only during normal site operation.
$optimize_css = !defined('MAINTENANCE_MODE') && $this->config
->get('css.preprocess');
$optimize_js = !defined('MAINTENANCE_MODE') && $this->config
->get('js.preprocess');
$attachments = $response
->getAttachments();
// Resolve the attached libraries into asset collections.
$assets = new AttachedAssets();
$assets
->setLibraries(isset($attachments['library']) ? $attachments['library'] : [])
->setAlreadyLoadedLibraries(isset($ajax_page_state['libraries']) ? explode(',', $ajax_page_state['libraries']) : [])
->setSettings(isset($attachments['drupalSettings']) ? $attachments['drupalSettings'] : []);
$css_assets = $this->assetResolver
->getCssAssets($assets, $optimize_css);
list($js_assets_header, $js_assets_footer) = $this->assetResolver
->getJsAssets($assets, $optimize_js);
// First, AttachedAssets::setLibraries() ensures duplicate libraries are
// removed: it converts it to a set of libraries if necessary. Second,
// AssetResolver::getJsSettings() ensures $assets contains the final set of
// JavaScript settings. AttachmentsResponseProcessorInterface also mandates
// that the response it processes contains the final attachment values, so
// update both the 'library' and 'drupalSettings' attachments accordingly.
$attachments['library'] = $assets
->getLibraries();
$attachments['drupalSettings'] = $assets
->getSettings();
$response
->setAttachments($attachments);
$alter_type = 'ajax';
// Render the HTML to load these files, and add AJAX commands to insert this
// HTML in the page. Settings are handled separately, afterwards.
$settings = [];
if (isset($js_assets_header['drupalSettings'])) {
$settings = $js_assets_header['drupalSettings']['data'];
unset($js_assets_header['drupalSettings']);
}
if (isset($js_assets_footer['drupalSettings'])) {
$settings = $js_assets_footer['drupalSettings']['data'];
unset($js_assets_footer['drupalSettings']);
}
// Prepend commands to add the assets, preserving their relative order.
$resource_commands = [];
$prefetch = [];
if ($css_assets) {
$css_render_array = $this->cssCollectionRenderer
->render($css_assets);
if (isset($css_render_array['prefetch'])) {
$prefetch = array_merge($prefetch, $css_render_array['prefetch']);
unset($css_render_array['prefetch']);
}
// Allow other modules to alter the assets before rendering.
// Call hook_advagg_asset_render_alter().
$asset_type = 'css';
$this->moduleHandler
->alter('advagg_asset_render', $css_render_array, $alter_type, $asset_type);
$resource_commands[] = new AddCssCommand($this->renderer
->renderPlain($css_render_array));
}
if ($js_assets_header) {
$js_header_render_array = $this->jsCollectionRenderer
->render($js_assets_header);
if (isset($js_header_render_array['prefetch'])) {
$prefetch = array_merge($prefetch, $js_header_render_array['prefetch']);
unset($js_header_render_array['prefetch']);
}
// Allow other modules to alter the assets before rendering.
// Call hook_advagg_asset_render_alter().
$asset_type = 'js_header';
$this->moduleHandler
->alter('advagg_asset_render', $js_header_render_array, $alter_type, $asset_type);
$resource_commands[] = new PrependCommand('head', $this->renderer
->renderPlain($js_header_render_array));
}
if ($js_assets_footer) {
$js_footer_render_array = $this->jsCollectionRenderer
->render($js_assets_footer);
if (isset($js_footer_render_array['prefetch'])) {
$prefetch = array_merge($prefetch, $js_footer_render_array['prefetch']);
unset($js_footer_render_array['prefetch']);
}
// Allow other modules to alter the assets before rendering.
// Call hook_advagg_asset_render_alter().
$asset_type = 'js_footer';
$this->moduleHandler
->alter('advagg_asset_render', $js_footer_render_array, $alter_type, $asset_type);
$resource_commands[] = new AppendCommand('body', $this->renderer
->renderPlain($js_footer_render_array));
}
if ($prefetch) {
$prefetch = array_unique($prefetch, SORT_REGULAR);
// Allow other modules to alter the assets before rendering.
// Call hook_advagg_asset_render_alter().
$asset_type = 'prefetch';
$this->moduleHandler
->alter('advagg_asset_render', $prefetch, $alter_type, $asset_type);
$resource_commands[] = new PrependCommand('head', $this->renderer
->renderPlain($prefetch));
}
foreach (array_reverse($resource_commands) as $resource_command) {
$response
->addCommand($resource_command, TRUE);
}
// Prepend a command to merge changes and additions to drupalSettings.
if (!empty($settings)) {
// During Ajax requests basic path-specific settings are excluded from
// new drupalSettings values. The original page where this request comes
// from already has the right values. An Ajax request would update them
// with values for the Ajax request and incorrectly override the page's
// values.
// @see system_js_settings_alter()
unset($settings['path']);
$response
->addCommand(new SettingsCommand($settings, TRUE), TRUE);
}
$commands = $response
->getCommands();
$this->moduleHandler
->alter('ajax_render', $commands);
return $commands;
}
}