[Pkg-mozext-commits] [adblock-plus-element-hiding-helper] 438/483: Fixed dead object reference on dialog close

[David Prévot]

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taffit pushed a commit to branch master
in repository adblock-plus-element-hiding-helper.

commit 873bc75df849ca38e99f50f15cf99e6988496138
Author: Andrey Novikov <andrey at adblockplus.org>
Date:   Fri Nov 9 16:40:09 2012 +0400

    Fixed dead object reference on dialog close
---
 chrome/content/composer.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/chrome/content/composer.js b/chrome/content/composer.js
index e3dad25..77b180d 100644
--- a/chrome/content/composer.js
+++ b/chrome/content/composer.js
@@ -555,8 +555,17 @@ function togglePreview(preview) {
     previewStyle.textContent = stylesheetData;
   }
   else {
-    if (previewStyle && previewStyle.parentNode)
-      previewStyle.parentNode.removeChild(previewStyle);
+    try
+    {
+      if (previewStyle && previewStyle.parentNode)
+        previewStyle.parentNode.removeChild(previewStyle);
+    }
+    catch (e)
+    {
+      // if the window was closed (reloaded) we end up with dead object reference
+      // https://bugzilla.mozilla.org/show_bug.cgi?id=695480
+      // just ignore this case
+    }
     previewStyle = null;
   }
 }

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