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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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19
components/script/dom/window.rs
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@ -118,6 +118,7 @@ use script_traits::{
};
use script_traits::{TimerSchedulerMsg, WebrenderIpcSender, WindowSizeData, WindowSizeType};
use selectors::attr::CaseSensitivity;
use servo_arc::Arc as ServoArc;
use servo_geometry::{f32_rect_to_au_rect, MaxRect};
use servo_url::{ImmutableOrigin, MutableOrigin, ServoUrl};
use std::borrow::Cow;
@ -136,7 +137,7 @@ use style::dom::OpaqueNode;
use style::error_reporting::{ContextualParseError, ParseErrorReporter};
use style::media_queries;
use style::parser::ParserContext as CssParserContext;
use style::properties::PropertyId;
use style::properties::{ComputedValues, PropertyId, ShorthandId};
use style::selector_parser::PseudoElement;
use style::str::HTML_SPACE_CHARACTERS;
use style::stylesheets::CssRuleType;
@ -1847,6 +1848,21 @@ impl Window {
)
}
pub fn parse_font_query(&self, node: &Node, value: String) -> Option<ServoArc<ComputedValues>> {
if !node.is_connected() {
return None;
}
let id = PropertyId::Shorthand(ShorthandId::Font);
if !self.layout_reflow(QueryMsg::ParseFontQuery(
node.to_trusted_node_address(),
id,
value,
)) {
return None;
}
self.layout_rpc.parsed_font()
}
pub fn layout(&self) -> &dyn LayoutRPC {
&*self.layout_rpc
}
@ -2504,6 +2520,7 @@ fn debug_reflow_events(id: PipelineId, reflow_goal: &ReflowGoal, reason: &Reflow
&QueryMsg::StyleQuery => "\tStyleQuery",
&QueryMsg::TextIndexQuery(..) => "\tTextIndexQuery",
&QueryMsg::ElementInnerTextQuery(_) => "\tElementInnerTextQuery",
&QueryMsg::ParseFontQuery(..) => "\nParseFontQuery",
&QueryMsg::InnerWindowDimensionsQuery(_) => "\tInnerWindowDimensionsQuery",
},
};