From a8ec4e1d505c705ed891212cbf9149c71e4e0a31 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Sat, 7 Nov 2009 13:35:21 +0000
Subject: - Patch #607244 by sun: added permission to decrease performance
 impact of contextual links.

---
 modules/comment/comment.api.php | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'modules/comment/comment.api.php')

diff --git a/modules/comment/comment.api.php b/modules/comment/comment.api.php
index 104562e34..c9b8da1a3 100644
--- a/modules/comment/comment.api.php
+++ b/modules/comment/comment.api.php
@@ -72,6 +72,34 @@ function hook_comment_view($comment) {
   $comment->time_ago = time() - $comment->changed;
 }
 
+/**
+ * The comment was built; the module may modify the structured content.
+ *
+ * This hook is called after the content has been assembled in a structured array
+ * and may be used for doing processing which requires that the complete comment
+ * content structure has been built.
+ *
+ * If the module wishes to act on the rendered HTML of the comment rather than the
+ * structured content array, it may use this hook to add a #post_render callback.
+ * Alternatively, it could also implement hook_preprocess_comment(). See
+ * drupal_render() and theme() documentation respectively for details.
+ *
+ * @param $build
+ *   A renderable array representing the comment.
+ *
+ * @see comment_build()
+ */
+function hook_comment_build_alter($build) {
+  // Check for the existence of a field added by another module.
+  if ($build['#build_mode'] == 'full' && isset($build['an_additional_field'])) {
+    // Change its weight.
+    $build['an_additional_field']['#weight'] = -10;
+  }
+
+  // Add a #post_render callback to act on the rendered HTML of the comment.
+  $build['#post_render'][] = 'my_module_comment_post_render';
+}
+
 /**
  * The comment is being published by the moderator.
  *
-- 
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