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Final nits; fix custom elements rare data usage; s/owner_s_r/containing_s_r

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Clarify special case for containing_shadow_root and add it to layout
accessor
This commit is contained in:
Fernando Jiménez Moreno 2019-04-26 09:44:21 +02:00
parent 9b2eb77530
commit 68bee1c771
6 changed files with 95 additions and 89 deletions
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66
components/script/dom/node.rs
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@ -282,10 +282,10 @@ impl Node {
for node in new_child.traverse_preorder(ShadowIncluding::No) {
if parent_in_shadow_tree {
if let Some(shadow_root) = self.owner_shadow_root() {
node.set_owner_shadow_root(&*shadow_root);
if let Some(shadow_root) = self.containing_shadow_root() {
node.set_containing_shadow_root(&*shadow_root);
}
debug_assert!(node.owner_shadow_root().is_some());
debug_assert!(node.containing_shadow_root().is_some());
}
node.set_flag(NodeFlags::IS_IN_DOC, parent_in_doc);
node.set_flag(NodeFlags::IS_IN_SHADOW_TREE, parent_in_shadow_tree);
@ -946,21 +946,21 @@ impl Node {
self.owner_doc.set(Some(document));
}
pub fn owner_shadow_root(&self) -> Option<DomRoot<ShadowRoot>> {
pub fn containing_shadow_root(&self) -> Option<DomRoot<ShadowRoot>> {
// NodeRareData contains the shadow root the node belongs to,
// but this node may be a shadow root itself.
if let Some(ref shadow_root) = self.downcast::<ShadowRoot>() {
return Some(DomRoot::from_ref(shadow_root));
}
if let Some(rare_data) = self.rare_data().as_ref() {
return rare_data
.owner_shadow_root
.as_ref()
.map(|sr| DomRoot::from_ref(&**sr));
}
None
self.rare_data()
.as_ref()?
.containing_shadow_root
.as_ref()
.map(|sr| DomRoot::from_ref(&**sr))
}
pub fn set_owner_shadow_root(&self, shadow_root: &ShadowRoot) {
self.ensure_rare_data().owner_shadow_root = Some(Dom::from_ref(shadow_root));
pub fn set_containing_shadow_root(&self, shadow_root: &ShadowRoot) {
self.ensure_rare_data().containing_shadow_root = Some(Dom::from_ref(shadow_root));
}
pub fn is_in_html_doc(&self) -> bool {
@ -1195,7 +1195,7 @@ pub trait LayoutNodeHelpers {
unsafe fn next_sibling_ref(&self) -> Option<LayoutDom<Node>>;
unsafe fn owner_doc_for_layout(&self) -> LayoutDom<Document>;
unsafe fn owner_shadow_root_for_layout(&self) -> Option<LayoutDom<ShadowRoot>>;
unsafe fn containing_shadow_root_for_layout(&self) -> Option<LayoutDom<ShadowRoot>>;
unsafe fn is_element_for_layout(&self) -> bool;
unsafe fn get_flag(&self, flag: NodeFlags) -> bool;
@ -1280,14 +1280,16 @@ impl LayoutNodeHelpers for LayoutDom<Node> {
#[inline]
#[allow(unsafe_code)]
unsafe fn owner_shadow_root_for_layout(&self) -> Option<LayoutDom<ShadowRoot>> {
if let Some(rare_data) = (*self.unsafe_get()).rare_data_for_layout().as_ref() {
return rare_data
.owner_shadow_root
.as_ref()
.map(|sr| sr.to_layout());
unsafe fn containing_shadow_root_for_layout(&self) -> Option<LayoutDom<ShadowRoot>> {
if let Some(ref shadow_root) = self.downcast::<ShadowRoot>() {
return Some(*shadow_root);
}
None
(*self.unsafe_get())
.rare_data_for_layout()
.as_ref()?
.containing_shadow_root
.as_ref()
.map(|sr| sr.to_layout())
}
#[inline]
@ -2292,19 +2294,13 @@ impl NodeMethods for Node {
// https://dom.spec.whatwg.org/#dom-node-getrootnode
fn GetRootNode(&self, options: &GetRootNodeOptions) -> DomRoot<Node> {
if options.composed {
if let Some(rare_data) = self.rare_data().as_ref() {
if let Some(ref shadow_root) = rare_data.owner_shadow_root {
// shadow-including root.
return shadow_root.Host().upcast::<Node>().GetRootNode(options);
}
}
}
if let Some(rare_data) = self.rare_data().as_ref() {
if let Some(ref shadow_root) = rare_data.owner_shadow_root {
return DomRoot::from_ref(shadow_root.upcast::<Node>());
}
if let Some(shadow_root) = self.containing_shadow_root() {
return if options.composed {
// shadow-including root.
shadow_root.Host().upcast::<Node>().GetRootNode(options)
} else {
DomRoot::from_ref(shadow_root.upcast::<Node>())
};
}
if self.is_in_doc() {
@ -2837,7 +2833,7 @@ pub fn document_from_node<T: DerivedFrom<Node> + DomObject>(derived: &T) -> DomR
pub fn containing_shadow_root<T: DerivedFrom<Node> + DomObject>(
derived: &T,
) -> Option<DomRoot<ShadowRoot>> {
derived.upcast().owner_shadow_root()
derived.upcast().containing_shadow_root()
}
#[allow(unrooted_must_root)]