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Issue #1585 - Replace node.rootNode with node.getRootNode()

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This removes the (default disabled) node.rootNode readonly attribute
and replaces it with a node.getRootNode() function per WhatWG
spec discussion.
Based on work by John Dai <jdai@mozilla.com>
This commit is contained in:
Moonchild 2020-06-10 01:19:37 +00:00 • committed by Roy Tam
commit 7900742344
9 changed files with 128 additions and 89 deletions
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25
dom/base/nsINode.cpp
View file

@ -107,6 +107,7 @@
#include "GeometryUtils.h"
#include "nsIAnimationObserver.h"
#include "nsChildContentList.h"
#include "mozilla/dom/NodeBinding.h"
#ifdef ACCESSIBILITY
#include "mozilla/dom/AccessibleNode.h"
@ -250,6 +251,30 @@ nsINode::GetTextEditorRootContent(nsIEditor** aEditor)
return nullptr;
}
nsINode* nsINode::GetRootNode(const GetRootNodeOptions& aOptions)
{
if (aOptions.mComposed) {
if (IsInComposedDoc() && GetComposedDoc()) {
return OwnerDoc();
}
nsINode* node = this;
ShadowRoot* shadowRootParent = nullptr;
while(node) {
node = node->SubtreeRoot();
shadowRootParent = ShadowRoot::FromNode(node);
if (!shadowRootParent) {
break;
}
node = shadowRootParent->GetHost();
}
return node;
}
return SubtreeRoot();
}
nsINode*
nsINode::SubtreeRoot() const
{