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Bug 656197 - Push state updates further out across beforesetattr/aftersetattr

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* Remove the generic attr preparsing mechanism from BeforeSetAttr and just preparse class attributes directly in the one place that needs to do it
* Move calls to BeforeSetAttr to after AttributeWillChange
* Remove UpdateState calls in BeforeSetAttr
* Move calls to AfterSetAttr to before UpdateState when manipulating attributes
* Remove UpdateState calls from AfterSetAttr, since they are no longer needed there

Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-16 19:59:10 -04:00 • committed by Roy Tam
commit 7a3f9be509
27 changed files with 84 additions and 117 deletions
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15
dom/html/nsGenericHTMLElement.cpp
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@ -1962,7 +1962,7 @@ nsGenericHTMLFormElement::UnbindFromTree(bool aDeep, bool aNullParent)
nsresult
nsGenericHTMLFormElement::BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
nsAttrValueOrString* aValue,
const nsAttrValueOrString* aValue,
bool aNotify)
{
if (aNameSpaceID == kNameSpaceID_None) {
@ -1995,13 +1995,6 @@ nsGenericHTMLFormElement::BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
}
mForm->RemoveElement(this, false);
// Removing the element from the form can make it not be the default
// control anymore. Go ahead and notify on that change, though we might
// end up readding and becoming the default control again in
// AfterSetAttr.
// FIXME: Bug 656197
UpdateState(aNotify);
}
if (aName == nsGkAtoms::form) {
@ -2051,12 +2044,6 @@ nsGenericHTMLFormElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
}
mForm->AddElement(this, false, aNotify);
// Adding the element to the form can make it be the default control .
// Go ahead and notify on that change.
// Note: no need to notify on CanBeDisabled(), since type attr
// changes can't affect that.
UpdateState(aNotify);
}
if (aName == nsGkAtoms::form) {