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Bug 1404789 - Stop reconstructing frames for the whole shadow root each time content is inserted in a shadow tree

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* Cleanup a bit the ShadowRoot code
* Privatize ShadowRoot methods
* When the shadow tree distribution changes, post a restyle + reframe
* Simplify ShadowRoot::IsPooledNode
* Be a bit better at detecting distribution changes

Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 06:41:00 -04:00 • committed by Roy Tam
commit 1846dde168
7 changed files with 243 additions and 137 deletions
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6
dom/html/HTMLContentElement.cpp
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@ -248,8 +248,7 @@ HTMLContentElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
}
}
ShadowRoot* containingShadow = GetContainingShadow();
if (containingShadow) {
if (ShadowRoot* containingShadow = GetContainingShadow()) {
containingShadow->DistributeAllNodes();
}
} else {
@ -258,8 +257,7 @@ HTMLContentElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
mValidSelector = true;
mSelectorList = nullptr;
ShadowRoot* containingShadow = GetContainingShadow();
if (containingShadow) {
if (ShadowRoot* containingShadow = GetContainingShadow()) {
containingShadow->DistributeAllNodes();
}
}