From f7b20870e7f6bb843f140c9a99554eb7405adafd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20Qu=C3=A8ze?= <florian@instantbird.org>
Date: Tue, 12 Jul 2011 18:52:01 +0200
Subject: [PATCH] Prevent loading web pages when a descendant of a link is
 clicked in a conversation.

---
 im/content/convbrowser.xml | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/im/content/convbrowser.xml b/im/content/convbrowser.xml
index de6319ad07..4afc2f61e4 100644
--- a/im/content/convbrowser.xml
+++ b/im/content/convbrowser.xml
@@ -810,7 +810,15 @@
           // The 'click' event is fired even when the link is
           // activated with the keyboard.
 
-          let url = event.target.href;
+          // The event target may be a descendant of the actual link.
+          let url;
+          for (let elem = event.target; elem; elem = elem.parentNode) {
+            if (elem instanceof HTMLAnchorElement) {
+              url = elem.href;
+              if (url)
+                break;
+            }
+          }
           if (url !== undefined) {
             let uri = Services.io.newURI(url, null, null);