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Issue #2135 - Bug 1413102 (Follow-up): Ignore current target because of shadow DOM retargeting

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Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1466581
This commit is contained in:
FranklinDM 2023-03-04 02:23:31 +08:00 • committed by roytam1
commit 1bb2009f61
3 changed files with 18 additions and 4 deletions
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7
dom/events/EventDispatcher.cpp
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@ -872,6 +872,7 @@ EventDispatcher::Dispatch(nsISupports* aTarget,
preVisitor.mTargetInKnownToBeHandledScope = preVisitor.mEvent->mTarget;
topEtci = parentEtci;
} else {
bool ignoreBecauseOfShadowDOM = preVisitor.mIgnoreBecauseOfShadowDOM;
nsCOMPtr<nsINode> disabledTarget = do_QueryInterface(parentTarget);
parentEtci = MayRetargetToChromeIfCanNotHandleEvent(chain,
preVisitor,
@ -882,7 +883,11 @@ EventDispatcher::Dispatch(nsISupports* aTarget,
preVisitor.mTargetInKnownToBeHandledScope = preVisitor.mEvent->mTarget;
EventTargetChainItem* item =
EventTargetChainItem::GetFirstCanHandleEventTarget(chain);
item->SetNewTarget(parentTarget);
if (!ignoreBecauseOfShadowDOM) {
// If we ignored the target because of Shadow DOM retargeting, we
// shouldn't treat the target to be in the event path at all.
item->SetNewTarget(parentTarget);
}
topEtci = parentEtci;
continue;
}