Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-06-13 19:04:30 +00:00
Code Issues Projects Releases Packages Wiki Activity

Implement ScrollTop and ScrollLeft getters:

Browse source 
Add new compositor message to get scroll_offset;
Add new layout query for computed value of overflow-x/y;
Implement layer_id method for ThreadSafeLayoutNode;
Add new layout query for layer_id;
Implement script interface for getting scrollTop and scrollLeft, as well as relavant helper functions.
This commit is contained in:
Zhen Zhang 2016-04-03 15:41:37 +08:00
parent f73c6143d5
commit fefdaf76de
12 changed files with 243 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

15
components/script/layout_interface.rs
View file

@ -23,7 +23,7 @@ use std::sync::Arc;
use std::sync::mpsc::{Receiver, Sender, channel};
use string_cache::Atom;
use style::context::ReflowGoal;
use style::properties::longhands::{margin_top, margin_right, margin_bottom, margin_left};
use style::properties::longhands::{margin_top, margin_right, margin_bottom, margin_left, overflow_x};
use style::selector_impl::PseudoElement;
use style::servo::Stylesheet;
use url::Url;
@ -104,8 +104,12 @@ pub trait LayoutRPC {
fn content_boxes(&self) -> ContentBoxesResponse;
/// Requests the geometry of this node. Used by APIs such as `clientTop`.
fn node_geometry(&self) -> NodeGeometryResponse;
/// Requests the overflow-x and overflow-y of this node. Used by `scrollTop` etc.
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 layer id of this node. Used by APIs such as `scrollTop`
fn node_layer_id(&self) -> NodeLayerIdResponse;
/// Requests the node containing the point of interest
fn hit_test(&self) -> HitTestResponse;
/// Query layout for the resolved value of a given CSS property
@ -136,6 +140,8 @@ impl MarginStyleResponse {
}
}
pub struct NodeOverflowResponse(pub Option<Point2D<overflow_x::computed_value::T>>);
pub struct ContentBoxResponse(pub Rect<Au>);
pub struct ContentBoxesResponse(pub Vec<Rect<Au>>);
pub struct HitTestResponse {
@ -144,6 +150,11 @@ pub struct HitTestResponse {
pub struct NodeGeometryResponse {
pub client_rect: Rect<i32>,
}
pub struct NodeLayerIdResponse {
pub layer_id: LayerId,
}
pub struct ResolvedStyleResponse(pub Option<String>);
#[derive(Clone)]
@ -167,8 +178,10 @@ pub enum ReflowQueryType {
NoQuery,
ContentBoxQuery(TrustedNodeAddress),
ContentBoxesQuery(TrustedNodeAddress),
NodeOverflowQuery(TrustedNodeAddress),
HitTestQuery(Point2D<f32>, bool),
NodeGeometryQuery(TrustedNodeAddress),
NodeLayerIdQuery(TrustedNodeAddress),
NodeScrollGeometryQuery(TrustedNodeAddress),
ResolvedStyleQuery(TrustedNodeAddress, Option<PseudoElement>, Atom),
OffsetParentQuery(TrustedNodeAddress),