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Add Page::get_nodes_under_mouse().

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This commit is contained in:
Tetsuharu OHZEKI 2014-04-23 14:12:55 +09:00
parent fff94a35b3
commit 6c987c31b5
1 changed files with 26 additions and 12 deletions
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38
src/components/script/script_task.rs
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@ -457,6 +457,26 @@ impl Page {
}; };
address address
} }
pub fn get_nodes_under_mouse(&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(MouseOverQuery(root.to_trusted_node_address(), *point, chan), port) {
Ok(MouseOverResponse(node_address)) => {
Some(node_address)
}
Err(()) => {
None
}
};
address
}
} }
/// Information for one frame in the browsing context. /// Information for one frame in the browsing context.
@ -1077,22 +1097,15 @@ impl ScriptTask {
} }
} }
} }
None => {} None => {}
} }
} }
MouseDownEvent(..) => {} MouseDownEvent(..) => {}
MouseUpEvent(..) => {} MouseUpEvent(..) => {}
MouseMoveEvent(point) => { MouseMoveEvent(point) => {
let frame = page.frame(); match page.get_nodes_under_mouse(&point) {
let document = frame.get_ref().document.clone(); Some(node_address) => {
let root = document.get().GetDocumentElement();
if root.is_none() {
return;
}
let root: JS<Node> = NodeCast::from(&root.unwrap());
let (chan, port) = channel();
match page.query_layout(MouseOverQuery(root.to_trusted_node_address(), point, chan), port) {
Ok(MouseOverResponse(node_address)) => {
let mut target_list: ~[JS<Node>] = ~[]; let mut target_list: ~[JS<Node>] = ~[];
let mut target_compare = false; let mut target_compare = false;
@ -1150,8 +1163,9 @@ impl ScriptTask {
} }
*mouse_over_targets = Some(target_list); *mouse_over_targets = Some(target_list);
} }
}, }
Err(()) => {},
None => {}
} }
} }
} }