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stylo: Implement -moz-prefixed linear gradients

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This commit is contained in:
Nazım Can Altınova 2017-06-20 10:56:57 -07:00
parent a9fea0653a
commit 3e42684d3c
7 changed files with 207 additions and 34 deletions
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34
components/style/values/computed/image.rs
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@ -56,6 +56,9 @@ pub enum LineDirection {
Angle(Angle),
/// A corner.
Corner(X, Y),
/// A Position and an Angle for legacy `-moz-` prefixed gradient.
#[cfg(feature = "gecko")]
MozPosition(Option<Position>, Option<Angle>),
}
/// A computed radial gradient ending shape.
@ -75,6 +78,8 @@ impl GenericLineDirection for LineDirection {
match *self {
LineDirection::Angle(angle) => angle.radians() == PI,
LineDirection::Corner(..) => false,
#[cfg(feature = "gecko")]
LineDirection::MozPosition(_, _) => false,
}
}
@ -91,6 +96,21 @@ impl GenericLineDirection for LineDirection {
dest.write_str(" ")?;
y.to_css(dest)
},
#[cfg(feature = "gecko")]
LineDirection::MozPosition(position, angle) => {
let mut need_space = false;
if let Some(position) = position {
position.to_css(dest)?;
need_space = true;
}
if let Some(angle) = angle {
if need_space {
dest.write_str(" ")?;
}
angle.to_css(dest)?;
}
Ok(())
}
}
}
}
@ -102,8 +122,8 @@ impl SpecifiedLineDirection {
#[cfg(feature = "gecko")]
{
return match _compat_mode {
CompatMode::Modern => modern_angle,
CompatMode::WebKit => -modern_angle + 270.
CompatMode::WebKit => -modern_angle + 270.,
_ => modern_angle,
}
}
#[cfg(feature = "servo")]
@ -131,6 +151,11 @@ impl SpecifiedLineDirection {
SpecifiedLineDirection::Corner(x, y) => {
LineDirection::Corner(x, y)
},
#[cfg(feature = "gecko")]
SpecifiedLineDirection::MozPosition(ref position, ref angle) => {
LineDirection::MozPosition(position.to_computed_value(context),
angle.to_computed_value(context))
},
}
}
@ -142,6 +167,11 @@ impl SpecifiedLineDirection {
LineDirection::Corner(x, y) => {
SpecifiedLineDirection::Corner(x, y)
},
#[cfg(feature = "gecko")]
LineDirection::MozPosition(ref position, ref angle) => {
SpecifiedLineDirection::MozPosition(ToComputedValue::from_computed_value(position),
ToComputedValue::from_computed_value(angle))
},
}
}
}