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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2017-08-18 06:04:15 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-03-12 09:59:19 +0100
commit6be9e507077bfdd2b8c82c203cf70f010ecce086 (patch)
tree5f0a9188256213506d1f2477d9ee1040b133c762 /dom/base/nsContentList.cpp
parent93f8e06bb8d8656e868679d584c7c8771ff8e42f (diff)
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HTML - implement the labels attribute
Diffstat (limited to 'dom/base/nsContentList.cpp')
-rw-r--r--dom/base/nsContentList.cpp143
1 files changed, 128 insertions, 15 deletions
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);
+}