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Add insert_adjacent methods into Element
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4 changed files with 135 additions and 0 deletions
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@ -1168,6 +1168,35 @@ impl Element {
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let node = self.upcast::<Node>();
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node.owner_doc().element_attr_will_change(self);
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}
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// https://dom.spec.whatwg.org/#insert-adjacent
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pub fn insert_adjacent(&self, where_: DOMString, node: &Node)
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-> Fallible<Option<Root<Node>>> {
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let self_node = self.upcast::<Node>();
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match &*where_ {
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"beforebegin" => {
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if let Some(parent) = self_node.GetParentNode() {
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Node::pre_insert(node, &parent, Some(self_node)).map(Some)
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} else {
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Ok(None)
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}
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}
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"afterbegin" => {
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Node::pre_insert(node, &self_node, self_node.GetFirstChild().r()).map(Some)
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}
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"beforeend" => {
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Node::pre_insert(node, &self_node, None).map(Some)
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}
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"afterend" => {
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if let Some(parent) = self_node.GetParentNode() {
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Node::pre_insert(node, &parent, self_node.GetNextSibling().r()).map(Some)
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} else {
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Ok(None)
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}
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}
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_ => Err(Error::Syntax)
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}
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}
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}
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impl ElementMethods for Element {
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@ -1620,6 +1649,23 @@ impl ElementMethods for Element {
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}
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}
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}
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// https://dom.spec.whatwg.org/#dom-element-insertadjacentelement
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fn InsertAdjacentElement(&self, where_: DOMString, element: &Element)
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-> Fallible<Option<Root<Element>>> {
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let inserted_node = try!(self.insert_adjacent(where_, element.upcast()));
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Ok(inserted_node.map(|node| Root::downcast(node).unwrap()))
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}
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// https://dom.spec.whatwg.org/#dom-element-insertadjacenttext
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fn InsertAdjacentText(&self, where_: DOMString, data: DOMString)
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-> ErrorResult {
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// Step 1.
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let text = Text::new(data, &document_from_node(self));
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// Step 2.
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self.insert_adjacent(where_, text.upcast()).map(|_| ())
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}
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}
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pub fn fragment_affecting_attributes() -> [Atom; 3] {
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