forked from mirrors/gecko-dev
64a444210a
<!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes fix #12763 (github issue number if applicable). <!-- Either: --> - [ ] There are tests for these changes OR - [ ] These changes do not require tests because _____ <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 9b4b94aa755a04d4b9c9703574b01c03ad25a788
96 lines
3.4 KiB
Rust
96 lines
3.4 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
use app_units::Au;
|
|
use euclid::point::Point2D;
|
|
use euclid::rect::Rect;
|
|
use gfx_traits::LayerId;
|
|
use script_traits::UntrustedNodeAddress;
|
|
use style::properties::longhands::{margin_top, margin_right, margin_bottom, margin_left, overflow_x};
|
|
|
|
/// Synchronous messages that script can send to layout.
|
|
///
|
|
/// In general, you should use messages to talk to Layout. Use the RPC interface
|
|
/// if and only if the work is
|
|
///
|
|
/// 1) read-only with respect to LayoutThreadData,
|
|
/// 2) small,
|
|
/// 3) and really needs to be fast.
|
|
pub trait LayoutRPC {
|
|
/// Requests the dimensions of the content box, as in the `getBoundingClientRect()` call.
|
|
fn content_box(&self) -> ContentBoxResponse;
|
|
/// Requests the dimensions of all the content boxes, as in the `getClientRects()` call.
|
|
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
|
|
fn resolved_style(&self) -> ResolvedStyleResponse;
|
|
fn offset_parent(&self) -> OffsetParentResponse;
|
|
/// Query layout for the resolve values of the margin properties for an element.
|
|
fn margin_style(&self) -> MarginStyleResponse;
|
|
|
|
fn nodes_from_point(&self, page_point: Point2D<f32>, client_point: Point2D<f32>) -> Vec<UntrustedNodeAddress>;
|
|
}
|
|
|
|
pub struct ContentBoxResponse(pub Rect<Au>);
|
|
|
|
pub struct ContentBoxesResponse(pub Vec<Rect<Au>>);
|
|
|
|
pub struct NodeGeometryResponse {
|
|
pub client_rect: Rect<i32>,
|
|
}
|
|
|
|
pub struct NodeOverflowResponse(pub Option<Point2D<overflow_x::computed_value::T>>);
|
|
|
|
pub struct NodeLayerIdResponse {
|
|
pub layer_id: LayerId,
|
|
}
|
|
|
|
pub struct HitTestResponse {
|
|
pub node_address: Option<UntrustedNodeAddress>,
|
|
}
|
|
|
|
pub struct ResolvedStyleResponse(pub Option<String>);
|
|
|
|
#[derive(Clone)]
|
|
pub struct OffsetParentResponse {
|
|
pub node_address: Option<UntrustedNodeAddress>,
|
|
pub rect: Rect<Au>,
|
|
}
|
|
|
|
impl OffsetParentResponse {
|
|
pub fn empty() -> OffsetParentResponse {
|
|
OffsetParentResponse {
|
|
node_address: None,
|
|
rect: Rect::zero(),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
pub struct MarginStyleResponse {
|
|
pub top: margin_top::computed_value::T,
|
|
pub right: margin_right::computed_value::T,
|
|
pub bottom: margin_bottom::computed_value::T,
|
|
pub left: margin_left::computed_value::T,
|
|
}
|
|
|
|
impl MarginStyleResponse {
|
|
pub fn empty() -> MarginStyleResponse {
|
|
MarginStyleResponse {
|
|
top: margin_top::computed_value::T::Auto,
|
|
right: margin_right::computed_value::T::Auto,
|
|
bottom: margin_bottom::computed_value::T::Auto,
|
|
left: margin_left::computed_value::T::Auto,
|
|
}
|
|
}
|
|
}
|