Retarget result of shadowRoot.element(s)FromPoint

This commit is contained in:
Fernando Jiménez Moreno 2019-02-14 18:19:06 +01:00
parent 8641866a50
commit 07e2f41c34
3 changed files with 30 additions and 10 deletions

View file

@ -155,7 +155,7 @@ impl DocumentOrShadowRoot {
let point = &Point2D::new(x, y);
let viewport = self.window.window_size().initial_viewport;
if has_browsing_context {
if !has_browsing_context {
return vec![];
}

View file

@ -1123,14 +1123,16 @@ impl Node {
}
/// https://dom.spec.whatwg.org/#retarget
pub fn retarget(&self, a: &Node, b: &Node) -> DomRoot<Node> {
let mut a = DomRoot::from_ref(&*a);
pub fn retarget(&self, b: &Node) -> DomRoot<Node> {
let mut a = DomRoot::from_ref(&*self);
loop {
// Step 1.
let a_root = a.GetRootNode(&GetRootNodeOptions::empty());
if !a_root.is::<ShadowRoot>() || a_root.is_shadow_including_inclusive_ancestor_of(b) {
return DomRoot::from_ref(&a);
}
// Step 2.
a = DomRoot::from_ref(
a_root
.downcast::<ShadowRoot>()

View file

@ -88,26 +88,44 @@ impl ShadowRootMethods for ShadowRoot {
// https://drafts.csswg.org/cssom-view/#dom-document-elementfrompoint
fn ElementFromPoint(&self, x: Finite<f64>, y: Finite<f64>) -> Option<DomRoot<Element>> {
// XXX return the result of running the retargeting algorithm with context object
// and the original result as input
self.document_or_shadow_root.element_from_point(
// Return the result of running the retargeting algorithm with context object
// and the original result as input.
match self.document_or_shadow_root.element_from_point(
x,
y,
None,
self.document.has_browsing_context(),
)
) {
Some(e) => {
let retargeted_node = self.upcast::<Node>().retarget(e.upcast::<Node>());
retargeted_node
.downcast::<Element>()
.map(|n| DomRoot::from_ref(n))
},
None => None,
}
}
// https://drafts.csswg.org/cssom-view/#dom-document-elementsfrompoint
fn ElementsFromPoint(&self, x: Finite<f64>, y: Finite<f64>) -> Vec<DomRoot<Element>> {
// XXX return the result of running the retargeting algorithm with context object
// Return the result of running the retargeting algorithm with context object
// and the original result as input
self.document_or_shadow_root.elements_from_point(
let mut elements = Vec::new();
for e in self.document_or_shadow_root.elements_from_point(
x,
y,
None,
self.document.has_browsing_context(),
)
).iter() {
let retargeted_node = self.upcast::<Node>().retarget(e.upcast::<Node>());
if let Some(element) = retargeted_node
.downcast::<Element>()
.map(|n| DomRoot::from_ref(n)) {
elements.push(element);
}
}
elements
}
/// https://dom.spec.whatwg.org/#dom-shadowroot-mode