From 5d246299b630c55d98cc03eeb650561defbeeff4 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Mon, 9 Feb 2009 08:24:23 -0500
Subject: [PATCH] add hooks for JavaScript handling

---
 EVENTS.txt     | 20 ++++++++++++++++++++
 lib/action.php | 33 +++++++++++++++++++++------------
 2 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/EVENTS.txt b/EVENTS.txt
index bd511d75e1..68e25fa3b0 100644
--- a/EVENTS.txt
+++ b/EVENTS.txt
@@ -9,3 +9,23 @@ StartSecondaryNav: Showing the secondary nav menu
 
 EndSecondaryNav: At the end of the secondary nav menu
 - $action: the current action
+
+StartShowScripts: Showing JavaScript links
+- $action: the current action
+
+EndShowScripts: End showing JavaScript links; good place to add custom
+		links like Google Analytics
+- $action: the current action
+
+StartShowJQueryScripts: Showing JQuery script links (use this to link to e.g. Google mirrors)
+- $action: the current action
+
+EndShowJQueryScripts: End showing JQuery script links
+- $action: the current action
+
+StartShowLaconicaScripts: Showing Laconica script links (use this to link to a CDN or something)
+- $action: the current action
+
+EndShowLaconicaScripts: End showing Laconica script links
+- $action: the current action
+
diff --git a/lib/action.php b/lib/action.php
index 36f598c57f..0628dc70db 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -179,18 +179,27 @@ class Action extends HTMLOutputter // lawsuit
      */
     function showScripts()
     {
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/jquery.min.js')),
-                       ' ');
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/jquery.form.js')),
-                       ' ');
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/xbImportNode.js')),
-                       ' ');
-        $this->element('script', array('type' => 'text/javascript',
-                                       'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
-                       ' ');
+        if (Event::handle('StartShowScripts', array($this))) {
+            if (Event::handle('StartShowJQueryScripts', array($this))) {
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/jquery.min.js')),
+                               ' ');
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/jquery.form.js')),
+                               ' ');
+                Event::handle('EndShowJQueryScripts', array($this));
+            }
+            if (Event::handle('StartShowLaconicaScripts', array($this))) {
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/xbImportNode.js')),
+                               ' ');
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/util.js?version='.LACONICA_VERSION)),
+                               ' ');
+                Event::handle('EndShowLaconicaScripts', array($this));
+            }
+            Event::handle('EndShowScripts', array($this));
+        }
     }
 
     /**