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Reimplement scrolling to fragments

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This reimplemntation of the feature uses ScrollRootIds to scroll
particular scrollable areas of the page.

Fixes #13736.
Fixes #10753.
This commit is contained in:
Martin Robinson 2016-11-21 09:48:33 +01:00
parent 39845faf26
commit 0b56bb2237
18 changed files with 154 additions and 45 deletions
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5
components/script_layout_interface/rpc.rs
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@ -5,6 +5,7 @@
use app_units::Au;
use euclid::point::Point2D;
use euclid::rect::Rect;
use gfx_traits::ScrollRootId;
use script_traits::UntrustedNodeAddress;
use style::properties::longhands::{margin_top, margin_right, margin_bottom, margin_left, overflow_x};
@ -27,6 +28,8 @@ pub trait LayoutRPC {
fn node_overflow(&self) -> NodeOverflowResponse;
/// Requests the scroll geometry of this node. Used by APIs such as `scrollTop`.
fn node_scroll_area(&self) -> NodeGeometryResponse;
/// Requests the scroll root id of this node. Used by APIs such as `scrollTop`
fn node_scroll_root_id(&self) -> NodeScrollRootIdResponse;
/// Requests the node containing the point of interest
fn hit_test(&self) -> HitTestResponse;
/// Query layout for the resolved value of a given CSS property
@ -48,6 +51,8 @@ pub struct NodeGeometryResponse {
pub struct NodeOverflowResponse(pub Option<Point2D<overflow_x::computed_value::T>>);
pub struct NodeScrollRootIdResponse(pub ScrollRootId);
pub struct HitTestResponse {
pub node_address: Option<UntrustedNodeAddress>,
}