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Add scrollWidth/Height to element interface

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Add the scrollWidth and scrollHeight extensions to the element
interface.
This commit is contained in:
Daniel Robertson 2016-03-01 16:45:16 +00:00
parent 5fbed88248
commit 16d2778ece
10 changed files with 234 additions and 39 deletions
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13
components/layout/layout_thread.rs
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@ -43,7 +43,7 @@ use profile_traits::mem::{self, Report, ReportKind, ReportsChan};
use profile_traits::time::{TimerMetadataFrameType, TimerMetadataReflowType};
use profile_traits::time::{self, TimerMetadata, profile};
use query::{LayoutRPCImpl, process_content_box_request, process_content_boxes_request};
use query::{process_node_geometry_request, process_offset_parent_query};
use query::{process_node_geometry_request, process_node_scroll_area_request, process_offset_parent_query};
use query::{process_resolved_style_request, process_margin_style_query};
use script::dom::node::OpaqueStyleAndLayoutData;
use script::layout_interface::{LayoutRPC, OffsetParentResponse, MarginStyleResponse};
@ -117,6 +117,9 @@ pub struct LayoutThreadData {
/// A queued response for the node at a given point
pub hit_test_response: (Option<DisplayItemMetadata>, bool),
/// A queued response for the scroll {top, left, width, height} of a node in pixels.
pub scroll_area_response: Rect<i32>,
/// A queued response for the resolved style property of an element.
pub resolved_style_response: Option<String>,
@ -462,6 +465,7 @@ impl LayoutThread {
content_boxes_response: Vec::new(),
client_rect_response: Rect::zero(),
hit_test_response: (None, false),
scroll_area_response: Rect::zero(),
resolved_style_response: None,
offset_parent_response: OffsetParentResponse::empty(),
margin_style_response: MarginStyleResponse::empty(),
@ -989,6 +993,9 @@ impl LayoutThread {
ReflowQueryType::NodeGeometryQuery(_) => {
rw_data.client_rect_response = Rect::zero();
},
ReflowQueryType::NodeScrollGeometryQuery(_) => {
rw_data.scroll_area_response = Rect::zero();
},
ReflowQueryType::ResolvedStyleQuery(_, _, _) => {
rw_data.resolved_style_response = None;
},
@ -1144,6 +1151,10 @@ impl LayoutThread {
let node = unsafe { ServoLayoutNode::new(&node) };
rw_data.client_rect_response = process_node_geometry_request(node, &mut root_flow);
},
ReflowQueryType::NodeScrollGeometryQuery(node) => {
let node = unsafe { ServoLayoutNode::new(&node) };
rw_data.scroll_area_response = process_node_scroll_area_request(node, &mut root_flow);
},
ReflowQueryType::ResolvedStyleQuery(node, ref pseudo, ref property) => {
let node = unsafe { ServoLayoutNode::new(&node) };
rw_data.resolved_style_response =