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Answer content box queries for layout_2020 for the root element

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This isn't correct yet, but it is necessary to give a value in order for
scrolling from script to work. Later this should give an accurate
content box response as well as work for non-root elements.
This commit is contained in:
Martin Robinson 2020-01-20 13:57:54 +01:00
parent 27e0400891
commit 1cd772fe5f
3 changed files with 58 additions and 8 deletions
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12
components/layout_2020/query.rs
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@ -5,6 +5,7 @@
//! Utilities for querying the layout, as needed by the layout thread.
use crate::context::LayoutContext;
use crate::flow::FragmentTreeRoot;
use app_units::Au;
use euclid::default::{Point2D, Rect};
use euclid::Size2D;
@ -163,8 +164,15 @@ impl LayoutRPC for LayoutRPCImpl {
}
}
pub fn process_content_box_request(_requested_node: OpaqueNode) -> Option<Rect<Au>> {
None
pub fn process_content_box_request(
_requested_node: OpaqueNode,
fragment_tree_root: Option<&FragmentTreeRoot>,
) -> Option<Rect<Au>> {
let fragment_tree_root = match fragment_tree_root {
Some(fragment_tree_root) => fragment_tree_root,
None => return None,
};
Some(fragment_tree_root.bounding_box_of_border_boxes())
}
pub fn process_content_boxes_request(_requested_node: OpaqueNode) -> Vec<Rect<Au>> {