From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- servo/components/style/queries/values.rs | 36 ++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 servo/components/style/queries/values.rs (limited to 'servo/components/style/queries/values.rs') diff --git a/servo/components/style/queries/values.rs b/servo/components/style/queries/values.rs new file mode 100644 index 0000000000..f4934408c4 --- /dev/null +++ b/servo/components/style/queries/values.rs @@ -0,0 +1,36 @@ +/* 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 https://mozilla.org/MPL/2.0/. */ + +//! Common feature values between media and container features. + +use app_units::Au; +use euclid::default::Size2D; + +/// The orientation media / container feature. +/// https://drafts.csswg.org/mediaqueries-5/#orientation +/// https://drafts.csswg.org/css-contain-3/#orientation +#[derive(Clone, Copy, Debug, FromPrimitive, Parse, ToCss)] +#[repr(u8)] +#[allow(missing_docs)] +pub enum Orientation { + Portrait, + Landscape, +} + +impl Orientation { + /// A helper to evaluate a orientation query given a generic size getter. + pub fn eval(size: Size2D, value: Option) -> bool { + let query_orientation = match value { + Some(v) => v, + None => return true, + }; + + // Per spec, square viewports should be 'portrait' + let is_landscape = size.width > size.height; + match query_orientation { + Self::Landscape => is_landscape, + Self::Portrait => !is_landscape, + } + } +} -- cgit v1.2.3