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notify parent form when a form element is removed. bugs 23493, 24452, and probably a lot of undiagnosed instabilities. r:vidur,pollman,waterson and a cast of thousands

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git-svn-id: svn://10.0.0.236/trunk@58685 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
danm%netscape.com
2000-01-26 01:24:41 +00:00
parent 86216a4525
commit 612df1ea60
14 changed files with 178 additions and 104 deletions
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22
mozilla/layout/html/content/src/nsHTMLSelectElement.cpp
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@@ -859,22 +859,28 @@ nsHTMLSelectElement::GetType(PRInt32* aType)
NS_IMETHODIMP
nsHTMLSelectElement::SetForm(nsIDOMHTMLFormElement* aForm)
{
nsresult result = NS_OK;
if (nsnull == aForm) {
nsresult result;
nsIFormControl *formControl;
result = QueryInterface(kIFormControlIID, (void**)&formControl);
if (NS_FAILED(result))
formControl = nsnull;
if (mForm && formControl)
mForm->RemoveElement(formControl, PR_TRUE);
if (nsnull == aForm)
mForm = nsnull;
return NS_OK;
} else {
else {
NS_IF_RELEASE(mForm);
nsIFormControl* formControl = nsnull;
result = QueryInterface(kIFormControlIID, (void**)&formControl);
if ((NS_OK == result) && formControl) {
if (formControl) {
result = aForm->QueryInterface(kIFormIID, (void**)&mForm); // keep the ref
if ((NS_OK == result) && mForm) {
mForm->AddElement(formControl);
}
NS_RELEASE(formControl);
}
}
NS_IF_RELEASE(formControl);
return result;
}