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script: Fix a borrow flags race in layout on .owner_doc().

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This commit is contained in:
Patrick Walton 2014-03-11 17:32:21 -07:00
parent 7b8a0fd2a3
commit d303f50784
5 changed files with 54 additions and 22 deletions
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15
src/components/script/dom/element.rs
View file

@ -156,6 +156,17 @@ impl Element {
self.node.owner_doc().get().is_html_document
}
pub unsafe fn html_element_in_html_document_for_layout(&self) -> bool {
if self.namespace != namespace::HTML {
return false
}
let owner_doc: *JS<Document> = self.node.owner_doc();
let owner_doc: **Document = cast::transmute::<*JS<Document>,
**Document>(
owner_doc);
(**owner_doc).is_html_document
}
pub fn get_attribute(&self,
namespace: Namespace,
name: &str) -> Option<JS<Attr>> {
@ -249,7 +260,7 @@ impl Element {
if self_node.is_in_doc() {
// XXX: this dual declaration are workaround to avoid the compile error:
// "borrowed value does not live long enough"
let mut doc = self.node.owner_doc();
let mut doc = self.node.owner_doc().clone();
let doc = doc.get_mut();
doc.register_named_element(abstract_self, value.clone());
}
@ -318,7 +329,7 @@ impl Element {
if self_node.is_in_doc() {
// XXX: this dual declaration are workaround to avoid the compile error:
// "borrowed value does not live long enough"
let mut doc = self.node.owner_doc();
let mut doc = self.node.owner_doc().clone();
let doc = doc.get_mut();
doc.unregister_named_element(old_value);
}

2
src/components/script/dom/htmlimageelement.rs
View file

@ -89,7 +89,7 @@ impl HTMLImageElement {
pub fn AfterSetAttr(&mut self, name: DOMString, value: DOMString) {
if "src" == name {
let document = self.htmlelement.element.node.owner_doc();
let document = self.htmlelement.element.node.owner_doc().clone();
let window = document.get().window.get();
let url = Some(window.get_url());
self.update_image(Some(value), url);

2
src/components/script/dom/htmlobjectelement.rs
View file

@ -73,7 +73,7 @@ impl HTMLObjectElement {
pub fn AfterSetAttr(&mut self, name: DOMString, _value: DOMString) {
if "data" == name {
let document = self.htmlelement.element.node.owner_doc();
let document = self.htmlelement.element.node.owner_doc().clone();
let window = document.get().window.clone();
let url = Some(window.get().get_url());
self.process_data_url(window.get().image_cache_task.clone(), url);

25
src/components/script/dom/node.rs
View file

@ -728,8 +728,8 @@ impl Node {
}
}
pub fn owner_doc(&self) -> JS<Document> {
self.owner_doc.clone().unwrap()
pub fn owner_doc<'a>(&'a self) -> &'a JS<Document> {
self.owner_doc.get_ref()
}
pub fn set_owner_doc(&mut self, document: &JS<Document>) {
@ -852,7 +852,7 @@ impl Node {
TextNodeTypeId |
ProcessingInstructionNodeTypeId |
DoctypeNodeTypeId |
DocumentFragmentNodeTypeId => Some(self.owner_doc()),
DocumentFragmentNodeTypeId => Some(self.owner_doc().clone()),
DocumentNodeTypeId => None
}
}
@ -878,7 +878,7 @@ impl Node {
pub fn ChildNodes(&mut self, abstract_self: &JS<Node>) -> JS<NodeList> {
match self.child_list {
None => {
let doc = self.owner_doc();
let doc = self.owner_doc().clone();
let doc = doc.get();
let list = NodeList::new_child_list(&doc.window, abstract_self);
self.child_list = Some(list.clone());
@ -976,7 +976,7 @@ impl Node {
None
} else {
let document = self.owner_doc();
Some(NodeCast::from(&document.get().CreateTextNode(&document, value)))
Some(NodeCast::from(&document.get().CreateTextNode(document, value)))
};
// Step 3.
Node::replace_all(node, abstract_self);
@ -1558,31 +1558,31 @@ impl Node {
//
pub fn set_parent_node(&mut self, new_parent_node: Option<JS<Node>>) {
let doc = self.owner_doc();
let doc = self.owner_doc().clone();
doc.get().wait_until_safe_to_modify_dom();
self.parent_node = new_parent_node
}
pub fn set_first_child(&mut self, new_first_child: Option<JS<Node>>) {
let doc = self.owner_doc();
let doc = self.owner_doc().clone();
doc.get().wait_until_safe_to_modify_dom();
self.first_child = new_first_child
}
pub fn set_last_child(&mut self, new_last_child: Option<JS<Node>>) {
let doc = self.owner_doc();
let doc = self.owner_doc().clone();
doc.get().wait_until_safe_to_modify_dom();
self.last_child = new_last_child
}
pub fn set_prev_sibling(&mut self, new_prev_sibling: Option<JS<Node>>) {
let doc = self.owner_doc();
let doc = self.owner_doc().clone();
doc.get().wait_until_safe_to_modify_dom();
self.prev_sibling = new_prev_sibling
}
pub fn set_next_sibling(&mut self, new_next_sibling: Option<JS<Node>>) {
let doc = self.owner_doc();
let doc = self.owner_doc().clone();
doc.get().wait_until_safe_to_modify_dom();
self.next_sibling = new_next_sibling
}
@ -1619,6 +1619,11 @@ impl Node {
pub fn next_sibling_ref<'a>(&'a self) -> Option<&'a JS<Node>> {
self.next_sibling.as_ref()
}
pub unsafe fn get_hover_state_for_layout(&self) -> bool {
let unsafe_this: *Node = cast::transmute::<&Node,*Node>(self);
(*unsafe_this).flags.get_in_hover_state()
}
}
impl Reflectable for Node {