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Add Page::hit_test().

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This commit is contained in:
Tetsuharu OHZEKI 2014-04-23 03:18:05 +09:00
parent 7d511f4baf
commit fff94a35b3
1 changed files with 26 additions and 13 deletions
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39
src/components/script/script_task.rs
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@ -26,6 +26,7 @@ use layout_interface::{DocumentDamageLevel, HitTestQuery, HitTestResponse, Layou
use layout_interface::{LayoutChan, MatchSelectorsDocumentDamage, QueryMsg};
use layout_interface::{Reflow, ReflowDocumentDamage, ReflowForDisplay, ReflowGoal, ReflowMsg};
use layout_interface::ContentChangedDocumentDamage;
use layout_interface::UntrustedNodeAddress;
use layout_interface;
use geom::point::Point2D;
@ -435,6 +436,27 @@ impl Page {
js_context: Untraceable::new(js_context),
});
}
pub fn hit_test(&self, point: &Point2D<f32>) -> Option<UntrustedNodeAddress> {
let frame = self.frame();
let document = frame.get_ref().document.clone();
let root = document.get().GetDocumentElement();
if root.is_none() {
return None;
}
let root: JS<Node> = NodeCast::from(&root.unwrap());
let (chan, port) = channel();
let address = match self.query_layout(HitTestQuery(root.to_trusted_node_address(), *point, chan), port) {
Ok(HitTestResponse(node_address)) => {
Some(node_address)
}
Err(()) => {
debug!("layout query error");
None
}
};
address
}
}
/// Information for one frame in the browsing context.
@ -1031,17 +1053,8 @@ impl ScriptTask {
ClickEvent(_button, point) => {
debug!("ClickEvent: clicked at {:?}", point);
let frame = page.frame();
let document = frame.get_ref().document.clone();
let root = document.get().GetDocumentElement();
if root.is_none() {
return;
}
let (chan, port) = channel();
let root: JS<Node> = NodeCast::from(&root.unwrap());
match page.query_layout(HitTestQuery(root.to_trusted_node_address(), point, chan), port) {
Ok(HitTestResponse(node_address)) => {
match page.hit_test(&point) {
Some(node_address) => {
debug!("node address is {:?}", node_address);
let mut node: JS<Node> =
NodeHelpers::from_untrusted_node_address(self.js_runtime.deref().ptr,
@ -1063,8 +1076,8 @@ impl ScriptTask {
self.load_url_from_element(page, &element)
}
}
},
Err(()) => debug!("layout query error"),
}
None => {}
}
}
MouseDownEvent(..) => {}