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Query layout to resolve canvas font property value

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This commit is contained in:
Utsav Oza 2020-05-28 00:28:42 +05:30
parent f161ab8e57
commit 7883718c12
11 changed files with 161 additions and 9 deletions
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26
components/layout_thread/lib.rs
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@ -49,12 +49,12 @@ use layout::flow_ref::FlowRef;
use layout::incremental::{RelayoutMode, SpecialRestyleDamage};
use layout::layout_debug;
use layout::parallel;
use layout::query::{process_client_rect_query, process_element_inner_text_query};
use layout::query::{
process_content_box_request, process_content_boxes_request, LayoutRPCImpl, LayoutThreadData,
process_client_rect_query, process_content_box_request, process_content_boxes_request,
process_element_inner_text_query, process_node_scroll_area_request,
process_node_scroll_id_request, process_offset_parent_query, process_parse_font_request,
process_resolved_style_request, LayoutRPCImpl, LayoutThreadData,
};
use layout::query::{process_node_scroll_area_request, process_node_scroll_id_request};
use layout::query::{process_offset_parent_query, process_resolved_style_request};
use layout::sequential;
use layout::traversal::{
construct_flows_at_ancestors, ComputeStackingRelativePositions, PreorderFlowTraversal,
@ -558,6 +558,7 @@ impl LayoutThread {
scroll_id_response: None,
scroll_area_response: Rect::zero(),
resolved_style_response: String::new(),
parse_font_response: None,
offset_parent_response: OffsetParentResponse::empty(),
scroll_offsets: HashMap::new(),
text_index_response: TextIndexResponse(None),
@ -1231,6 +1232,9 @@ impl LayoutThread {
&QueryMsg::ElementInnerTextQuery(_) => {
rw_data.element_inner_text_response = String::new();
},
&QueryMsg::ParseFontQuery(..) => {
rw_data.parse_font_response = None;
},
&QueryMsg::InnerWindowDimensionsQuery(_) => {
rw_data.inner_window_dimensions_response = None;
},
@ -1498,6 +1502,7 @@ impl LayoutThread {
&mut *rw_data,
&mut layout_context,
data.result.borrow_mut().as_mut().unwrap(),
document_shared_lock,
);
}
@ -1507,6 +1512,7 @@ impl LayoutThread {
rw_data: &mut LayoutThreadData,
context: &mut LayoutContext,
reflow_result: &mut ReflowComplete,
shared_lock: &SharedRwLock,
) {
reflow_result.pending_images =
std::mem::replace(&mut *context.pending_images.lock().unwrap(), vec![]);
@ -1549,6 +1555,18 @@ impl LayoutThread {
rw_data.resolved_style_response =
process_resolved_style_request(context, node, pseudo, property, root_flow);
},
&QueryMsg::ParseFontQuery(node, ref property, ref value) => {
let node = unsafe { ServoLayoutNode::new(&node) };
let url = self.url.clone();
rw_data.parse_font_response = process_parse_font_request(
context,
node,
value,
property,
url,
shared_lock,
);
},
&QueryMsg::OffsetParentQuery(node) => {
rw_data.offset_parent_response = process_offset_parent_query(node, root_flow);
},