Implement ::selection pseudo-element

This commit is contained in:
Emilio Cobos Álvarez 2016-03-28 23:08:32 +02:00
parent 4aa1da3211
commit 92f39ea5cf
10 changed files with 67 additions and 21 deletions

View file

@ -702,11 +702,14 @@ pub trait ThreadSafeLayoutNode : Clone + Copy + Sized + PartialEq {
})
}
// TODO(emilio): Since the ::-details-* pseudos are internal, just affecting one element, and
// only changing `display` property when the element `open` attribute changes, this should be
// eligible for not being cascaded eagerly, reading the display property from layout instead.
#[inline]
fn get_details_summary_pseudo(&self) -> Option<Self> {
if self.is_element() &&
self.as_element().get_local_name() == &atom!("details") &&
self.as_element().get_namespace() == &ns!(html) {
self.as_element().get_local_name() == &atom!("details") &&
self.as_element().get_namespace() == &ns!(html) {
self.borrow_layout_data().unwrap()
.style_data.per_pseudo
.get(&PseudoElement::DetailsSummary)
@ -721,8 +724,8 @@ pub trait ThreadSafeLayoutNode : Clone + Copy + Sized + PartialEq {
#[inline]
fn get_details_content_pseudo(&self) -> Option<Self> {
if self.is_element() &&
self.as_element().get_local_name() == &atom!("details") &&
self.as_element().get_namespace() == &ns!(html) {
self.as_element().get_local_name() == &atom!("details") &&
self.as_element().get_namespace() == &ns!(html) {
self.borrow_layout_data().unwrap()
.style_data.per_pseudo
.get(&PseudoElement::DetailsContent)
@ -764,6 +767,13 @@ pub trait ThreadSafeLayoutNode : Clone + Copy + Sized + PartialEq {
})
}
#[inline]
fn selected_style(&self) -> Ref<Arc<ServoComputedValues>> {
Ref::map(self.borrow_layout_data().unwrap(), |data| {
data.style_data.per_pseudo.get(&PseudoElement::Selection).unwrap_or(data.style_data.style.as_ref().unwrap())
})
}
/// Removes the style from this node.
///
/// Unlike the version on TNode, this handles pseudo-elements.
@ -1015,7 +1025,7 @@ impl<'ln> ThreadSafeLayoutNode for ServoThreadSafeLayoutNode<'ln> {
}
fn text_content(&self) -> TextContent {
if self.pseudo != PseudoElementType::Normal {
if self.pseudo.is_before_or_after() {
let data = &self.borrow_layout_data().unwrap().style_data;
let style = if self.pseudo.is_before() {
@ -1136,7 +1146,6 @@ impl<ConcreteNode> Iterator for ThreadSafeLayoutNodeChildrenIterator<ConcreteNod
type Item = ConcreteNode;
fn next(&mut self) -> Option<ConcreteNode> {
match self.parent_node.get_pseudo_element_type() {
PseudoElementType::Before(_) | PseudoElementType::After(_) => None,
PseudoElementType::DetailsSummary(_) => {
@ -1162,8 +1171,8 @@ impl<ConcreteNode> Iterator for ThreadSafeLayoutNodeChildrenIterator<ConcreteNod
let node = self.current_node.clone();
let node = node.and_then(|node| {
if node.is_element() &&
node.as_element().get_local_name() == &atom!("summary") &&
node.as_element().get_namespace() == &ns!(html) {
node.as_element().get_local_name() == &atom!("summary") &&
node.as_element().get_namespace() == &ns!(html) {
unsafe { node.dangerous_next_sibling() }
} else {
Some(node)