diff options
| -rw-r--r-- | dom/base/nsINode.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/dom/base/nsINode.cpp b/dom/base/nsINode.cpp index 09e848710..ca507a5fc 100644 --- a/dom/base/nsINode.cpp +++ b/dom/base/nsINode.cpp @@ -27,6 +27,7 @@ #include "mozilla/dom/Element.h" #include "mozilla/dom/Event.h" #include "mozilla/dom/ShadowRoot.h" +#include "mozilla/dom/ScriptSettings.h" #include "nsAttrValueOrString.h" #include "nsBindingManager.h" #include "nsCCUncollectableMarker.h" @@ -1569,6 +1570,48 @@ CheckForOutdatedParent(nsINode* aParent, nsINode* aNode) return NS_OK; } +static nsresult +ReparentWrappersInSubtree(nsIContent* aRoot) +{ + MOZ_ASSERT(ShouldUseXBLScope(aRoot)); + // Start off with no global so we don't fire any error events on failure. + AutoJSAPI jsapi; + jsapi.Init(); + + JSContext* cx = jsapi.cx(); + + nsIGlobalObject* docGlobal = aRoot->OwnerDoc()->GetScopeObject(); + if (NS_WARN_IF(!docGlobal)) { + return NS_ERROR_UNEXPECTED; + } + + JS::Rooted<JSObject*> rootedGlobal(cx, docGlobal->GetGlobalJSObject()); + if (NS_WARN_IF(!rootedGlobal)) { + return NS_ERROR_UNEXPECTED; + } + + rootedGlobal = xpc::GetXBLScope(cx, rootedGlobal); + + nsresult rv; + JS::Rooted<JSObject*> reflector(cx); + for (nsIContent* cur = aRoot; cur; cur = cur->GetNextNode(aRoot)) { + if ((reflector = cur->GetWrapper())) { + JSAutoCompartment ac(cx, reflector); + rv = ReparentWrapper(cx, reflector); + if NS_FAILED(rv) { + // We _could_ consider BlastSubtreeToPieces here, but it's not really + // needed. Having some nodes in here accessible to content while others + // are not is probably OK. We just need to fail out of the actual + // insertion, so they're not in the DOM. Returning a failure here will + // do that. + return rv; + } + } + } + + return NS_OK; +} + nsresult nsINode::doInsertChildAt(nsIContent* aKid, uint32_t aIndex, bool aNotify, nsAttrAndChildArray& aChildArray) @@ -1606,9 +1649,15 @@ nsINode::doInsertChildAt(nsIContent* aKid, uint32_t aIndex, nsIContent* parent = IsNodeOfType(eDOCUMENT) ? nullptr : static_cast<nsIContent*>(this); + bool wasInXBLScope = ShouldUseXBLScope(aKid); rv = aKid->BindToTree(doc, parent, parent ? parent->GetBindingParent() : nullptr, true); + if (NS_SUCCEEDED(rv) && !wasInXBLScope && ShouldUseXBLScope(aKid)) { + MOZ_ASSERT(ShouldUseXBLScope(this), + "Why does the kid need to use an XBL scope?"); + rv = ReparentWrappersInSubtree(aKid); + } if (NS_FAILED(rv)) { if (GetFirstChild() == aKid) { mFirstChild = aKid->GetNextSibling(); |