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-rw-r--r--dom/base/FragmentOrElement.cpp4
-rw-r--r--dom/base/FragmentOrElement.h6
-rw-r--r--dom/base/nsContentList.cpp143
-rw-r--r--dom/base/nsContentList.h40
-rw-r--r--dom/base/nsGkAtomList.h1
-rw-r--r--dom/base/test/test_bug1375050.html33
6 files changed, 210 insertions, 17 deletions
diff --git a/dom/base/FragmentOrElement.cpp b/dom/base/FragmentOrElement.cpp
index 293177ce7..3112515ff 100644
--- a/dom/base/FragmentOrElement.cpp
+++ b/dom/base/FragmentOrElement.cpp
@@ -574,6 +574,9 @@ FragmentOrElement::nsDOMSlots::Traverse(nsCycleCollectionTraversalCallback &cb,
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mChildrenList");
cb.NoteXPCOMChild(NS_ISUPPORTS_CAST(nsIDOMNodeList*, mChildrenList));
+ NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mLabelsList");
+ cb.NoteXPCOMChild(NS_ISUPPORTS_CAST(nsIDOMNodeList*, mLabelsList));
+
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mSlots->mClassList");
cb.NoteXPCOMChild(mClassList.get());
@@ -602,6 +605,7 @@ FragmentOrElement::nsDOMSlots::Unlink(bool aIsXUL)
mShadowRoot = nullptr;
mContainingShadow = nullptr;
mChildrenList = nullptr;
+ mLabelsList = nullptr;
mCustomElementData = nullptr;
mClassList = nullptr;
}
diff --git a/dom/base/FragmentOrElement.h b/dom/base/FragmentOrElement.h
index 3cb5575fe..1cd8033bb 100644
--- a/dom/base/FragmentOrElement.h
+++ b/dom/base/FragmentOrElement.h
@@ -24,6 +24,7 @@
class ContentUnbinder;
class nsContentList;
+class nsLabelsNodeList;
class nsDOMAttributeMap;
class nsDOMTokenList;
class nsIControllers;
@@ -313,6 +314,11 @@ public:
*/
RefPtr<nsDOMTokenList> mClassList;
+ /*
+ * An object implementing the .labels property for this element.
+ */
+ RefPtr<nsLabelsNodeList> mLabelsList;
+
/**
* ShadowRoot bound to the element.
*/
diff --git a/dom/base/nsContentList.cpp b/dom/base/nsContentList.cpp
index 09e949009..43e65777d 100644
--- a/dom/base/nsContentList.cpp
+++ b/dom/base/nsContentList.cpp
@@ -254,19 +254,6 @@ const nsCacheableFuncStringContentList::ContentListType
nsCacheableFuncStringHTMLCollection::sType = nsCacheableFuncStringContentList::eHTMLCollection;
#endif
-JSObject*
-nsCacheableFuncStringNodeList::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
-{
- return NodeListBinding::Wrap(cx, this, aGivenProto);
-}
-
-
-JSObject*
-nsCacheableFuncStringHTMLCollection::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
-{
- return HTMLCollectionBinding::Wrap(cx, this, aGivenProto);
-}
-
// Hashtable for storing nsCacheableFuncStringContentList
static PLDHashTable* gFuncStringContentListHashTable;
@@ -379,6 +366,7 @@ NS_GetFuncStringHTMLCollection(nsINode* aRootNode,
aString);
}
+//-----------------------------------------------------
// nsContentList implementation
nsContentList::nsContentList(nsINode* aRootNode,
@@ -660,7 +648,7 @@ nsContentList::AttributeChanged(nsIDocument *aDocument, Element* aElement,
const nsAttrValue* aOldValue)
{
NS_PRECONDITION(aElement, "Must have a content node to work with");
-
+
if (!mFunc || !mFuncMayDependOnAttr || mState == LIST_DIRTY ||
!MayContainRelevantNodes(aElement->GetParentNode()) ||
!nsContentUtils::IsInSameAnonymousTree(mRootNode, aElement)) {
@@ -806,7 +794,7 @@ nsContentList::ContentInserted(nsIDocument *aDocument,
ASSERT_IN_SYNC;
}
-
+
void
nsContentList::ContentRemoved(nsIDocument *aDocument,
nsIContent* aContainer,
@@ -1075,3 +1063,128 @@ nsContentList::AssertInSync()
NS_ASSERTION(cnt == mElements.Length(), "Too few elements");
}
#endif
+
+//-----------------------------------------------------
+// nsCacheableFuncStringNodeList
+
+JSObject*
+nsCacheableFuncStringNodeList::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
+{
+ return NodeListBinding::Wrap(cx, this, aGivenProto);
+}
+
+//-----------------------------------------------------
+// nsCacheableFuncStringHTMLCollection
+
+JSObject*
+nsCacheableFuncStringHTMLCollection::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
+{
+ return HTMLCollectionBinding::Wrap(cx, this, aGivenProto);
+}
+
+//-----------------------------------------------------
+// nsLabelsNodeList
+
+JSObject*
+nsLabelsNodeList::WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto)
+{
+ return NodeListBinding::Wrap(cx, this, aGivenProto);
+}
+
+void
+nsLabelsNodeList::AttributeChanged(nsIDocument* aDocument, Element* aElement,
+ int32_t aNameSpaceID, nsIAtom* aAttribute,
+ int32_t aModType,
+ const nsAttrValue* aOldValue)
+{
+ MOZ_ASSERT(aElement, "Must have a content node to work with");
+ if (mState == LIST_DIRTY ||
+ !nsContentUtils::IsInSameAnonymousTree(mRootNode, aElement)) {
+ return;
+ }
+
+ // We need to handle input type changes to or from "hidden".
+ if (aElement->IsHTMLElement(nsGkAtoms::input) &&
+ aAttribute == nsGkAtoms::type && aNameSpaceID == kNameSpaceID_None) {
+ SetDirty();
+ return;
+ }
+}
+
+void
+nsLabelsNodeList::ContentAppended(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aFirstNewContent,
+ int32_t aNewIndexInContainer)
+{
+ // If a labelable element is moved to outside or inside of
+ // nested associated labels, we're gonna have to modify
+ // the content list.
+ if (mState != LIST_DIRTY ||
+ nsContentUtils::IsInSameAnonymousTree(mRootNode, aContainer)) {
+ SetDirty();
+ return;
+ }
+}
+
+void
+nsLabelsNodeList::ContentInserted(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aChild,
+ int32_t aIndexInContainer)
+{
+ // If a labelable element is moved to outside or inside of
+ // nested associated labels, we're gonna have to modify
+ // the content list.
+ if (mState != LIST_DIRTY ||
+ nsContentUtils::IsInSameAnonymousTree(mRootNode, aChild)) {
+ SetDirty();
+ return;
+ }
+}
+
+void
+nsLabelsNodeList::ContentRemoved(nsIDocument* aDocument,
+ nsIContent* aContainer,
+ nsIContent* aChild,
+ int32_t aIndexInContainer,
+ nsIContent* aPreviousSibling)
+{
+ // If a labelable element is removed, we're gonna have to clean
+ // the content list.
+ if (mState != LIST_DIRTY ||
+ nsContentUtils::IsInSameAnonymousTree(mRootNode, aChild)) {
+ SetDirty();
+ return;
+ }
+}
+
+void
+nsLabelsNodeList::MaybeResetRoot(nsINode* aRootNode)
+{
+ MOZ_ASSERT(aRootNode, "Must have root");
+ if (mRootNode == aRootNode) {
+ return;
+ }
+
+ if (mRootNode) {
+ mRootNode->RemoveMutationObserver(this);
+ }
+ mRootNode = aRootNode;
+ mRootNode->AddMutationObserver(this);
+ SetDirty();
+}
+
+void
+nsLabelsNodeList::PopulateSelf(uint32_t aNeededLength)
+{
+ MOZ_ASSERT(mRootNode, "Must have root");
+
+ // Start searching at the root.
+ nsINode* cur = mRootNode;
+ if (mElements.IsEmpty() && cur->IsElement() && Match(cur->AsElement())) {
+ mElements.AppendElement(cur->AsElement());
+ }
+
+ nsContentList::PopulateSelf(aNeededLength);
+}
diff --git a/dom/base/nsContentList.h b/dom/base/nsContentList.h
index 3878074b2..83d27da95 100644
--- a/dom/base/nsContentList.h
+++ b/dom/base/nsContentList.h
@@ -371,9 +371,9 @@ protected:
* traversed the whole document (or both).
*
* @param aNeededLength the length the list should have when we are
- * done (unless it exhausts the document)
+ * done (unless it exhausts the document)
*/
- void PopulateSelf(uint32_t aNeededLength);
+ virtual void PopulateSelf(uint32_t aNeededLength);
/**
* @param aContainer a content node which must be a descendant of
@@ -584,4 +584,40 @@ public:
#endif
};
+class nsLabelsNodeList final : public nsContentList
+{
+public:
+ nsLabelsNodeList(nsINode* aRootNode,
+ nsContentListMatchFunc aFunc,
+ nsContentListDestroyFunc aDestroyFunc,
+ void* aData)
+ : nsContentList(aRootNode, aFunc, aDestroyFunc, aData)
+ {
+ }
+
+ NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
+ NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
+ NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
+ NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
+
+ virtual JSObject* WrapObject(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
+
+ /**
+ * Reset root, mutation observer, and clear content list
+ * if the root has been changed.
+ *
+ * @param aRootNode The node under which to limit our search.
+ */
+ void MaybeResetRoot(nsINode* aRootNode);
+
+private:
+ /**
+ * Start searching at the last one if we already have nodes, otherwise
+ * start searching at the root.
+ *
+ * @param aNeededLength The list of length should have when we are
+ * done (unless it exhausts the document).
+ */
+ void PopulateSelf(uint32_t aNeededLength) override;
+};
#endif // nsContentList_h___
diff --git a/dom/base/nsGkAtomList.h b/dom/base/nsGkAtomList.h
index 91427fabb..e4ae7ede8 100644
--- a/dom/base/nsGkAtomList.h
+++ b/dom/base/nsGkAtomList.h
@@ -526,6 +526,7 @@ GK_ATOM(keytext, "keytext")
GK_ATOM(keyup, "keyup")
GK_ATOM(kind, "kind")
GK_ATOM(label, "label")
+GK_ATOM(labels, "labels")
GK_ATOM(lang, "lang")
GK_ATOM(language, "language")
GK_ATOM(last, "last")
diff --git a/dom/base/test/test_bug1375050.html b/dom/base/test/test_bug1375050.html
new file mode 100644
index 000000000..b91b859d0
--- /dev/null
+++ b/dom/base/test/test_bug1375050.html
@@ -0,0 +1,33 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1375050
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1375050</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="application/javascript">
+ try { o1 = document.createElement('input'); } catch(e) { console.log(e); };
+ try { o2 = document.createElement('col'); } catch(e) { console.log(e); };
+ try { o4 = document.createRange(); } catch(e) { console.log(e); };
+ try { document.documentElement.appendChild(o1); } catch(e) { console.log(e); };
+ try { for (let p in o1) { let x = o1[p] }; } catch(e) { console.log(e); };
+ try { o4.selectNode(o1); } catch(e) { console.log(e); };
+ try { o6 = document.createComment(" x"); } catch(e) { console.log(e); }
+ try { o4.surroundContents(o6); } catch(e) { console.log(e); }
+ try { o7 = document.implementation.createDocument('', '', null).adoptNode(o1); } catch(e) { console.log(e);};
+ try { o2.appendChild(o1); } catch(e) { console.log(e); };
+ ok(true, "Didn't crash.");
+ </script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1375050">Mozilla Bug 1375050</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-05 02:01:09 +0000