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Bug 101234: crash when calling focus() or blur() on not-yet-appended XUL

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Element.  r=sicking(!), sr=blizzard
This commit is contained in:
shaver%mozilla.org 2001-10-03 02:48:00 +00:00
parent 152a47efdc
commit 3c7deaae58
1 changed files with 9 additions and 1 deletions
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10
content/xul/content/src/nsXULElement.cpp
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@ -22,7 +22,7 @@
* Pierre Phaneuf <pp@ludusdesign.com>
* Peter Annema <disttsc@bart.nl>
* Brendan Eich <brendan@mozilla.org>
*
* Mike Shaver <shaver@mozilla.org>
*
* This Original Code has been modified by IBM Corporation.
* Modifications made by IBM described herein are
@ -4890,6 +4890,10 @@ nsXULElement::IsAncestor(nsIDOMNode* aParentNode, nsIDOMNode* aChildNode)
NS_IMETHODIMP
nsXULElement::Focus()
{
// What kind of crazy tries to focus an element without a doc?
if (!mDocument)
return NS_OK;
// Obtain a presentation context and then call SetFocus.
PRInt32 count = mDocument->GetNumberOfShells();
if (count == 0)
@ -4909,6 +4913,10 @@ nsXULElement::Focus()
NS_IMETHODIMP
nsXULElement::Blur()
{
// What kind of crazy tries to blur an element without a doc?
if (!mDocument)
return NS_OK;
// Obtain a presentation context and then call SetFocus.
PRInt32 count = mDocument->GetNumberOfShells();
if (count == 0)