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Basic hit testing functionality

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This commit is contained in:
Patrick Walton 2013-05-30 17:28:08 -07:00
parent ea1a406589
commit f77eef5988
8 changed files with 148 additions and 20 deletions
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7
src/components/script/layout_interface.rs
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@ -6,12 +6,13 @@
/// coupling between these two components, and enables the DOM to be placed in a separate crate
/// from layout.
use dom::node::{AbstractNode, ScriptView};
use dom::node::{AbstractNode, ScriptView, LayoutView};
use script_task::ScriptMsg;
use core::comm::{Chan, SharedChan};
use geom::rect::Rect;
use geom::size::Size2D;
use geom::point::Point2D;
use gfx::geometry::Au;
use newcss::stylesheet::Stylesheet;
use std::net::url::Url;
@ -43,6 +44,8 @@ pub enum LayoutQuery {
ContentBoxQuery(AbstractNode<ScriptView>),
/// Requests the dimensions of all the content boxes, as in the `getClientRects()` call.
ContentBoxesQuery(AbstractNode<ScriptView>),
/// Requests the node containing the point of interest
HitTestQuery(AbstractNode<ScriptView>, Point2D<f32>),
}
/// The reply of a synchronous message from script to layout.
@ -54,6 +57,8 @@ pub enum LayoutResponse {
ContentBoxResponse(Rect<Au>),
/// A response to the `ContentBoxesQuery` message.
ContentBoxesResponse(~[Rect<Au>]),
/// A response to the `HitTestQuery` message.
HitTestResponse(AbstractNode<LayoutView>),
}
/// Dirty bits for layout.