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script/layout: Refactor mouse_over since it now basically uses hit_test

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This commit is contained in:
Emilio Cobos Álvarez 2016-02-20 21:36:24 +01:00
parent c3786437a3
commit 48dee6413d
3 changed files with 17 additions and 47 deletions
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37
components/layout/query.rs
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@ -16,7 +16,7 @@ use layout_thread::LayoutThreadData;
use msg::constellation_msg::ConstellationChan;
use opaque_node::OpaqueNodeMethods;
use script::layout_interface::{ContentBoxResponse, ContentBoxesResponse, NodeGeometryResponse};
use script::layout_interface::{HitTestResponse, LayoutRPC, MouseOverResponse, OffsetParentResponse};
use script::layout_interface::{HitTestResponse, LayoutRPC, OffsetParentResponse};
use script::layout_interface::{ResolvedStyleResponse, ScriptLayoutChan, MarginStyleResponse};
use script_traits::LayoutMsg as ConstellationMsg;
use sequential;
@ -67,48 +67,29 @@ impl LayoutRPC for LayoutRPCImpl {
}
/// Requests the node containing the point of interest.
fn hit_test(&self, point: Point2D<f32>) -> Result<HitTestResponse, ()> {
fn hit_test(&self, point: Point2D<f32>, update_cursor: bool) -> Result<HitTestResponse, ()> {
let point = Point2D::new(Au::from_f32_px(point.x), Au::from_f32_px(point.y));
let &LayoutRPCImpl(ref rw_data) = self;
let rw_data = rw_data.lock().unwrap();
let result = match rw_data.display_list {
None => panic!("Tried to hit test without a DisplayList"),
Some(ref display_list) => display_list.hit_test(point),
};
let display_list = rw_data.display_list.as_ref().expect("Tried to hit test without a DisplayList!");
if result.is_empty() {
return Err(());
}
let result = display_list.hit_test(point);
Ok(HitTestResponse(result[0].node.to_untrusted_node_address()))
}
fn mouse_over(&self, point: Point2D<f32>) -> Result<MouseOverResponse, ()> {
let point = Point2D::new(Au::from_f32_px(point.x), Au::from_f32_px(point.y));
let mouse_over_list = {
let &LayoutRPCImpl(ref rw_data) = self;
let rw_data = rw_data.lock().unwrap();
let result = match rw_data.display_list {
None => panic!("Tried to hit test without a DisplayList"),
Some(ref display_list) => display_list.hit_test(point),
};
// Compute the new cursor.
if update_cursor {
let cursor = if !result.is_empty() {
result[0].pointing.unwrap()
} else {
Cursor::DefaultCursor
};
let ConstellationChan(ref constellation_chan) = rw_data.constellation_chan;
constellation_chan.send(ConstellationMsg::SetCursor(cursor)).unwrap();
result
};
if mouse_over_list.is_empty() {
Err(())
if !result.is_empty() {
Ok(HitTestResponse(result[0].node.to_untrusted_node_address()))
} else {
let response = mouse_over_list[0].node.to_untrusted_node_address();
Ok(MouseOverResponse(response))
Err(())
}
}