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layout: Take into account the client point for fixed positioned stacking contexts.

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Emilio Cobos Álvarez 2016-08-08 12:00:14 -07:00
parent c420a870c1
commit 28d7c2dca8
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7 changed files with 79 additions and 45 deletions
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12
components/layout/query.rs
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@ -133,15 +133,21 @@ impl LayoutRPC for LayoutRPCImpl {
}
}
fn nodes_from_point(&self, point: Point2D<f32>) -> Vec<UntrustedNodeAddress> {
let point = Point2D::new(Au::from_f32_px(point.x), Au::from_f32_px(point.y));
fn nodes_from_point(&self,
page_point: Point2D<f32>,
client_point: Point2D<f32>) -> Vec<UntrustedNodeAddress> {
let page_point = Point2D::new(Au::from_f32_px(page_point.x),
Au::from_f32_px(page_point.y));
let client_point = Point2D::new(Au::from_f32_px(client_point.x),
Au::from_f32_px(client_point.y));
let nodes_from_point_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, &rw_data.stacking_context_scroll_offsets)
display_list.hit_test(&page_point, &client_point, &rw_data.stacking_context_scroll_offsets)
}
};