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style: Add support for parsing container-query-specific features

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There are some mediaqueries-5 features that we still don't support and
explain the remaining failures in at-container-{parsing,serialization}.

Differential Revision: https://phabricator.services.mozilla.com/D144446
This commit is contained in:
Emilio Cobos Álvarez 2023-08-11 14:14:39 +02:00 • committed by Martin Robinson
parent 989f8d89c4
commit 1003d644aa
16 changed files with 205 additions and 79 deletions
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31
components/style/gecko/media_features.rs
View file

@ -7,6 +7,7 @@
use crate::gecko_bindings::bindings;
use crate::gecko_bindings::structs;
use crate::queries::feature::{AllowsRanges, Evaluator, ParsingRequirements, QueryFeatureDescription};
use crate::queries::values::Orientation;
use crate::media_queries::{Device, MediaType};
use crate::values::computed::{Context, CSSPixelLength, Ratio, Resolution};
use app_units::Au;
@ -64,40 +65,14 @@ fn eval_device_pixel_ratio(context: &Context) -> f32 {
eval_resolution(context).dppx()
}
#[derive(Clone, Copy, Debug, FromPrimitive, Parse, ToCss)]
#[repr(u8)]
enum Orientation {
Landscape,
Portrait,
}
fn eval_orientation_for<F>(context: &Context, value: Option<Orientation>, get_size: F) -> bool
where
F: FnOnce(&Device) -> Size2D<Au>,
{
let query_orientation = match value {
Some(v) => v,
None => return true,
};
let size = get_size(context.device());
// Per spec, square viewports should be 'portrait'
let is_landscape = size.width > size.height;
match query_orientation {
Orientation::Landscape => is_landscape,
Orientation::Portrait => !is_landscape,
}
}
/// https://drafts.csswg.org/mediaqueries-4/#orientation
fn eval_orientation(context: &Context, value: Option<Orientation>) -> bool {
eval_orientation_for(context, value, Device::au_viewport_size)
Orientation::eval(context.device().au_viewport_size(), value)
}
/// FIXME: There's no spec for `-moz-device-orientation`.
fn eval_device_orientation(context: &Context, value: Option<Orientation>) -> bool {
eval_orientation_for(context, value, device_size)
Orientation::eval(device_size(context.device()), value)
}
/// Values for the display-mode media feature.