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style: Move touch-action outside of mako

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CYBAI 2017-12-26 22:05:03 +08:00
parent 97bba5fdc1
commit 05b014e720
6 changed files with 112 additions and 81 deletions
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87
components/style/properties/longhand/box.mako.rs
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@ -910,81 +910,12 @@ ${helpers.predefined_type(
spec="https://drafts.csswg.org/css-shapes/#shape-outside-property",
)}
<%helpers:longhand name="touch-action"
products="gecko"
animation_value_type="discrete"
gecko_pref="layout.css.touch_action.enabled"
spec="https://compat.spec.whatwg.org/#touch-action">
use gecko_bindings::structs;
use std::fmt;
use style_traits::ToCss;
pub mod computed_value {
pub use super::SpecifiedValue as T;
}
bitflags! {
/// These constants match Gecko's `NS_STYLE_TOUCH_ACTION_*` constants.
#[cfg_attr(feature = "gecko", derive(MallocSizeOf))]
#[derive(ToComputedValue)]
pub struct SpecifiedValue: u8 {
const TOUCH_ACTION_NONE = structs::NS_STYLE_TOUCH_ACTION_NONE as u8;
const TOUCH_ACTION_AUTO = structs::NS_STYLE_TOUCH_ACTION_AUTO as u8;
const TOUCH_ACTION_PAN_X = structs::NS_STYLE_TOUCH_ACTION_PAN_X as u8;
const TOUCH_ACTION_PAN_Y = structs::NS_STYLE_TOUCH_ACTION_PAN_Y as u8;
const TOUCH_ACTION_MANIPULATION = structs::NS_STYLE_TOUCH_ACTION_MANIPULATION as u8;
}
}
impl ToCss for SpecifiedValue {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
SpecifiedValue::TOUCH_ACTION_NONE => dest.write_str("none"),
SpecifiedValue::TOUCH_ACTION_AUTO => dest.write_str("auto"),
SpecifiedValue::TOUCH_ACTION_MANIPULATION => dest.write_str("manipulation"),
_ if self.contains(SpecifiedValue::TOUCH_ACTION_PAN_X | SpecifiedValue::TOUCH_ACTION_PAN_Y) => {
dest.write_str("pan-x pan-y")
},
_ if self.contains(SpecifiedValue::TOUCH_ACTION_PAN_X) => {
dest.write_str("pan-x")
},
_ if self.contains(SpecifiedValue::TOUCH_ACTION_PAN_Y) => {
dest.write_str("pan-y")
},
_ => panic!("invalid touch-action value"),
}
}
}
#[inline]
pub fn get_initial_value() -> computed_value::T {
SpecifiedValue::TOUCH_ACTION_AUTO
}
pub fn parse<'i, 't>(_context: &ParserContext, input: &mut Parser<'i, 't>)
-> Result<SpecifiedValue, ParseError<'i>> {
// FIXME: remove clone() when lifetimes are non-lexical
try_match_ident_ignore_ascii_case! { input,
"auto" => Ok(SpecifiedValue::TOUCH_ACTION_AUTO),
"none" => Ok(SpecifiedValue::TOUCH_ACTION_NONE),
"manipulation" => Ok(SpecifiedValue::TOUCH_ACTION_MANIPULATION),
"pan-x" => {
if input.try(|i| i.expect_ident_matching("pan-y")).is_ok() {
Ok(SpecifiedValue::TOUCH_ACTION_PAN_X | SpecifiedValue::TOUCH_ACTION_PAN_Y)
} else {
Ok(SpecifiedValue::TOUCH_ACTION_PAN_X)
}
},
"pan-y" => {
if input.try(|i| i.expect_ident_matching("pan-x")).is_ok() {
Ok(SpecifiedValue::TOUCH_ACTION_PAN_X | SpecifiedValue::TOUCH_ACTION_PAN_Y)
} else {
Ok(SpecifiedValue::TOUCH_ACTION_PAN_Y)
}
},
}
}
#[cfg(feature = "gecko")]
impl_bitflags_conversions!(SpecifiedValue);
</%helpers:longhand>
${helpers.predefined_type(
"touch-action",
"TouchAction",
"computed::TouchAction::auto()",
products="gecko",
gecko_pref="layout.css.touch_action.enabled",
animation_value_type="discrete",
spec="https://compat.spec.whatwg.org/#touch-action",
)}