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Implement getComputedStyle

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This commit is contained in:
David Zbarsky 2015-07-27 23:05:18 -04:00
parent 416931f4be
commit e484d6b5e3
24 changed files with 886 additions and 152 deletions
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65
components/style/values.rs
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@ -975,6 +975,16 @@ pub mod computed {
}
}
impl ::cssparser::ToCss for LengthOrPercentage {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match self {
&LengthOrPercentage::Length(length) => length.to_css(dest),
&LengthOrPercentage::Percentage(percentage)
=> write!(dest, "{}%", percentage * 100.),
}
}
}
#[derive(PartialEq, Clone, Copy)]
pub enum LengthOrPercentageOrAuto {
Length(Au),
@ -1010,6 +1020,17 @@ pub mod computed {
}
}
impl ::cssparser::ToCss for LengthOrPercentageOrAuto {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match self {
&LengthOrPercentageOrAuto::Length(length) => length.to_css(dest),
&LengthOrPercentageOrAuto::Percentage(percentage)
=> write!(dest, "{}%", percentage * 100.),
&LengthOrPercentageOrAuto::Auto => dest.write_str("auto"),
}
}
}
#[derive(PartialEq, Clone, Copy)]
pub enum LengthOrPercentageOrNone {
Length(Au),
@ -1045,6 +1066,17 @@ pub mod computed {
}
}
impl ::cssparser::ToCss for LengthOrPercentageOrNone {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match self {
&LengthOrPercentageOrNone::Length(length) => length.to_css(dest),
&LengthOrPercentageOrNone::Percentage(percentage) =>
write!(dest, "{}%", percentage * 100.),
&LengthOrPercentageOrNone::None => dest.write_str("none"),
}
}
}
#[derive(PartialEq, Clone, Copy)]
pub enum LengthOrNone {
Length(Au),
@ -1075,6 +1107,15 @@ pub mod computed {
}
}
impl ::cssparser::ToCss for LengthOrNone {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match self {
&LengthOrNone::Length(length) => length.to_css(dest),
&LengthOrNone::None => dest.write_str("none"),
}
}
}
impl ToComputedValue for specified::Image {
type ComputedValue = Image;
@ -1116,6 +1157,19 @@ pub mod computed {
pub stops: Vec<ColorStop>,
}
impl ::cssparser::ToCss for LinearGradient {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
try!(dest.write_str("linear-gradient("));
try!(self.angle_or_corner.to_css(dest));
for stop in self.stops.iter() {
try!(dest.write_str(", "));
try!(stop.to_css(dest));
}
try!(dest.write_str(")"));
Ok(())
}
}
impl fmt::Debug for LinearGradient {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let _ = write!(f, "{:?}", self.angle_or_corner);
@ -1137,6 +1191,17 @@ pub mod computed {
pub position: Option<LengthOrPercentage>,
}
impl ::cssparser::ToCss for ColorStop {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
try!(self.color.to_css(dest));
if let Some(position) = self.position {
try!(dest.write_str(" "));
try!(position.to_css(dest));
}
Ok(())
}
}
impl fmt::Debug for ColorStop {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let _ = write!(f, "{:?}", self.color);