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119 lines
3.8 KiB
Rust
119 lines
3.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! Specified types for box properties.
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use Atom;
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use cssparser::Parser;
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use parser::{Parse, ParserContext};
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use std::fmt;
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use style_traits::{ParseError, ToCss};
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use values::KeyframesName;
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use values::generics::box_::AnimationIterationCount as GenericAnimationIterationCount;
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use values::generics::box_::VerticalAlign as GenericVerticalAlign;
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use values::specified::{AllowQuirks, Number};
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use values::specified::length::LengthOrPercentage;
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/// A specified value for the `vertical-align` property.
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pub type VerticalAlign = GenericVerticalAlign<LengthOrPercentage>;
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impl Parse for VerticalAlign {
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fn parse<'i, 't>(
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context: &ParserContext,
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input: &mut Parser<'i, 't>,
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) -> Result<Self, ParseError<'i>> {
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if let Ok(lop) = input.try(|i| LengthOrPercentage::parse_quirky(context, i, AllowQuirks::Yes)) {
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return Ok(GenericVerticalAlign::Length(lop));
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}
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try_match_ident_ignore_ascii_case! { input,
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"baseline" => Ok(GenericVerticalAlign::Baseline),
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"sub" => Ok(GenericVerticalAlign::Sub),
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"super" => Ok(GenericVerticalAlign::Super),
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"top" => Ok(GenericVerticalAlign::Top),
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"text-top" => Ok(GenericVerticalAlign::TextTop),
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"middle" => Ok(GenericVerticalAlign::Middle),
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"bottom" => Ok(GenericVerticalAlign::Bottom),
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"text-bottom" => Ok(GenericVerticalAlign::TextBottom),
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#[cfg(feature = "gecko")]
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"-moz-middle-with-baseline" => {
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Ok(GenericVerticalAlign::MozMiddleWithBaseline)
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},
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}
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}
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}
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/// https://drafts.csswg.org/css-animations/#animation-iteration-count
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pub type AnimationIterationCount = GenericAnimationIterationCount<Number>;
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impl Parse for AnimationIterationCount {
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fn parse<'i, 't>(
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context: &ParserContext,
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input: &mut ::cssparser::Parser<'i, 't>,
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) -> Result<Self, ParseError<'i>> {
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if input.try(|input| input.expect_ident_matching("infinite")).is_ok() {
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return Ok(GenericAnimationIterationCount::Infinite)
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}
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let number = Number::parse_non_negative(context, input)?;
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Ok(GenericAnimationIterationCount::Number(number))
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}
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}
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impl AnimationIterationCount {
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/// Returns the value `1.0`.
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#[inline]
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pub fn one() -> Self {
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GenericAnimationIterationCount::Number(Number::new(1.0))
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}
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}
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/// A value for the `animation-name` property.
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#[derive(Clone, Debug, Eq, Hash, MallocSizeOf, PartialEq, ToComputedValue)]
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pub struct AnimationName(pub Option<KeyframesName>);
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impl AnimationName {
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/// Get the name of the animation as an `Atom`.
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pub fn as_atom(&self) -> Option<&Atom> {
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self.0.as_ref().map(|n| n.as_atom())
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}
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/// Returns the `none` value.
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pub fn none() -> Self {
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AnimationName(None)
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}
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}
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impl ToCss for AnimationName {
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fn to_css<W>(&self, dest: &mut W) -> fmt::Result
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where
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W: fmt::Write,
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{
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match self.0 {
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Some(ref name) => name.to_css(dest),
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None => dest.write_str("none"),
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}
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}
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}
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impl Parse for AnimationName {
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fn parse<'i, 't>(
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context: &ParserContext,
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input: &mut Parser<'i, 't>
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) -> Result<Self, ParseError<'i>> {
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if let Ok(name) = input.try(|input| KeyframesName::parse(context, input)) {
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return Ok(AnimationName(Some(name)));
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}
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input.expect_ident_matching("none")?;
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Ok(AnimationName(None))
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}
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}
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define_css_keyword_enum! { ScrollSnapType:
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"none" => None,
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"mandatory" => Mandatory,
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"proximity" => Proximity,
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}
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add_impls_for_keyword_enum!(ScrollSnapType);
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