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Bug 1406325 - Part 5: Implement try to upgrade.

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Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-19 23:33:52 -05:00 • committed by Roy Tam
commit dba59f0317
5 changed files with 121 additions and 14 deletions
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22
dom/base/Element.cpp
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@ -1688,8 +1688,13 @@ Element::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
// Connected callback must be enqueued whenever a custom element becomes
// connected.
CustomElementData* data = GetCustomElementData();
if (data && data->mState == CustomElementData::State::eCustom) {
nsContentUtils::EnqueueLifecycleCallback(nsIDocument::eConnected, this);
if (data) {
if (data->mState == CustomElementData::State::eCustom) {
nsContentUtils::EnqueueLifecycleCallback(nsIDocument::eConnected, this);
} else {
// Step 7.7.2.2 https://dom.spec.whatwg.org/#concept-node-insert
nsContentUtils::TryToUpgradeElement(this);
}
}
}
@ -1988,9 +1993,16 @@ Element::UnbindFromTree(bool aDeep, bool aNullParent)
// disconnected.
if (CustomElementRegistry::IsCustomElementEnabled()) {
CustomElementData* data = GetCustomElementData();
if (data && data->mState == CustomElementData::State::eCustom) {
nsContentUtils::EnqueueLifecycleCallback(nsIDocument::eDisconnected,
this);
if (data) {
if (data->mState == CustomElementData::State::eCustom) {
nsContentUtils::EnqueueLifecycleCallback(nsIDocument::eDisconnected,
this);
} else {
// Remove an unresolved custom element that is a candidate for
// upgrade when a custom element is disconnected.
// We will make sure it's shadow-including tree order in bug 1326028.
nsContentUtils::UnregisterUnresolvedElement(this);
}
}
}
}