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Use internal mutability for Node.flags.

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This commit is contained in:
Ms2ger 2014-06-10 14:26:28 +02:00
parent bb0cbb0a74
commit 6df6a7d512
2 changed files with 18 additions and 19 deletions
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31
src/components/script/dom/node.rs
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@ -11,12 +11,13 @@ use dom::bindings::codegen::InheritTypes::{ElementCast, TextCast, NodeCast, Elem
use dom::bindings::codegen::InheritTypes::{CharacterDataCast, NodeBase, NodeDerived};
use dom::bindings::codegen::InheritTypes::{ProcessingInstructionCast, EventTargetCast};
use dom::bindings::codegen::Bindings::NodeBinding::NodeConstants;
use dom::bindings::error::{ErrorResult, Fallible, NotFound, HierarchyRequest, Syntax};
use dom::bindings::js::{JS, JSRef, RootedReference, Temporary, Root, OptionalUnrootable};
use dom::bindings::js::{OptionalSettable, TemporaryPushable, OptionalRootedRootable};
use dom::bindings::js::{ResultRootable, OptionalRootable};
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::bindings::error::{ErrorResult, Fallible, NotFound, HierarchyRequest, Syntax};
use dom::bindings::trace::Untraceable;
use dom::bindings::utils;
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::characterdata::{CharacterData, CharacterDataMethods};
use dom::comment::Comment;
use dom::document::{Document, DocumentMethods, DocumentHelpers, HTMLDocument, NonHTMLDocument};
@ -86,7 +87,7 @@ pub struct Node {
pub child_list: Cell<Option<JS<NodeList>>>,
/// A bitfield of flags for node items.
flags: NodeFlags,
flags: Untraceable<RefCell<NodeFlags>>,
/// Layout information. Only the layout task may touch this data.
///
@ -382,7 +383,7 @@ pub trait NodeHelpers {
fn is_anchor_element(&self) -> bool;
fn get_hover_state(&self) -> bool;
fn set_hover_state(&mut self, state: bool);
fn set_hover_state(&self, state: bool);
fn dump(&self);
fn dump_indent(&self, indent: uint);
@ -430,7 +431,7 @@ impl<'a> NodeHelpers for JSRef<'a, Node> {
}
fn is_in_doc(&self) -> bool {
self.deref().flags.contains(IsInDoc)
self.deref().flags.deref().borrow().contains(IsInDoc)
}
/// Returns the type ID of this node. Fails if this node is borrowed mutably.
@ -489,14 +490,14 @@ impl<'a> NodeHelpers for JSRef<'a, Node> {
}
fn get_hover_state(&self) -> bool {
self.flags.contains(InHoverState)
self.flags.deref().borrow().contains(InHoverState)
}
fn set_hover_state(&mut self, state: bool) {
fn set_hover_state(&self, state: bool) {
if state {
self.flags.insert(InHoverState);
self.flags.deref().borrow_mut().insert(InHoverState);
} else {
self.flags.remove(InHoverState);
self.flags.deref().borrow_mut().remove(InHoverState);
}
}
@ -706,7 +707,7 @@ pub trait RawLayoutNodeHelpers {
impl RawLayoutNodeHelpers for Node {
unsafe fn get_hover_state_for_layout(&self) -> bool {
self.flags.contains(InHoverState)
self.flags.deref().borrow().contains(InHoverState)
}
}
@ -916,7 +917,7 @@ impl Node {
owner_doc: Cell::new(doc.unrooted()),
child_list: Cell::new(None),
flags: NodeFlags::new(type_id),
flags: Untraceable::new(RefCell::new(NodeFlags::new(type_id))),
layout_data: LayoutDataRef::new(),
}
@ -1110,9 +1111,9 @@ impl Node {
for node in nodes.mut_iter() {
parent.add_child(node, child);
if parent.is_in_doc() {
node.flags.insert(IsInDoc);
node.flags.deref().borrow_mut().insert(IsInDoc);
} else {
node.flags.remove(IsInDoc);
node.flags.deref().borrow_mut().remove(IsInDoc);
}
}
@ -1197,9 +1198,7 @@ impl Node {
// Step 8.
parent.remove_child(node);
// FIXME(2513): remove this `node_alias` when in fix mozilla#2513
let mut node_alias = node.clone();
node_alias.deref_mut().flags.remove(IsInDoc);
node.deref().flags.deref().borrow_mut().remove(IsInDoc);
// Step 9.
match suppress_observers {