Move LengthOrNumber to style/values and implement GeckoStyleCoordConv…

…ertible

components/style/gecko/values.rs

@@ -10,8 +10,8 @@ use gecko_bindings::structs::{NS_RADIUS_CLOSEST_SIDE, NS_RADIUS_FARTHEST_SIDE};
 use gecko_bindings::structs::nsStyleCoord;
 use gecko_bindings::sugar::ns_style_coord::{CoordData, CoordDataMut, CoordDataValue};
 use std::cmp::max;
-use values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto, LengthOrPercentageOrNone};
-use values::computed::Angle;
+use values::computed::{LengthOrNumber, LengthOrPercentage, LengthOrPercentageOrAuto};
+use values::computed::{LengthOrPercentageOrNone, Angle};
 use values::computed::basic_shape::ShapeRadius;
 
 pub trait StyleCoordHelpers {
@@ -108,6 +108,24 @@ impl GeckoStyleCoordConvertible for LengthOrPercentageOrNone {
     }
 }
 
+impl GeckoStyleCoordConvertible for LengthOrNumber {
+    fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T) {
+        let value = match *self {
+            LengthOrNumber::Length(au) => CoordDataValue::Coord(au.0),
+            LengthOrNumber::Number(number) => CoordDataValue::Factor(number),
+        };
+        coord.set_value(value);
+    }
+
+    fn from_gecko_style_coord<T: CoordData>(coord: &T) -> Option<Self> {
+        match coord.as_value() {
+            CoordDataValue::Coord(coord) => Some(LengthOrNumber::Length(Au(coord))),
+            CoordDataValue::Factor(f) => Some(LengthOrNumber::Number(f)),
+            _ => None,
+        }
+    }
+}
+
 impl GeckoStyleCoordConvertible for ShapeRadius {
     fn to_gecko_style_coord<T: CoordDataMut>(&self, coord: &mut T) {
         match *self {

components/style/properties/gecko.mako.rs

@@ -683,14 +683,9 @@ fn static_assert() {
     }
 
     pub fn set_border_image_outset(&mut self, v: longhands::border_image_outset::computed_value::T) {
-        use properties::longhands::border_image_outset::computed_value::LengthOrNumber;
         % for side in SIDES:
-            match v.${side.index} {
-                LengthOrNumber::Length(l) =>
-                    l.to_gecko_style_coord(&mut self.gecko.mBorderImageOutset.data_at_mut(${side.index})),
-                LengthOrNumber::Number(n) =>
-                self.gecko.mBorderImageOutset.data_at_mut(${side.index}).set_value(CoordDataValue::Factor(n)),
-            }
+            v.${side.index}.to_gecko_style_coord(&mut self.gecko.mBorderImageOutset
+                                                          .data_at_mut(${side.index}));
         % endfor
     }
 

components/style/properties/longhand/border.mako.rs

@@ -141,25 +141,27 @@ ${helpers.single_keyword("-moz-float-edge", "content-box margin-box",
 <%helpers:longhand name="border-image-outset" products="gecko" animatable="False">
     use cssparser::ToCss;
     use std::fmt;
+    use values::HasViewportPercentage;
     use values::LocalToCss;
-    use values::NoViewportPercentage;
-    use values::specified::{Length, Number};
+    use values::specified::LengthOrNumber;
 
-    impl NoViewportPercentage for SpecifiedValue {}
+    impl HasViewportPercentage for SpecifiedValue {
+        fn has_viewport_percentage(&self) -> bool {
+            let mut viewport_percentage = false;
+            for value in self.0.iter() {
+                let vp = value.has_viewport_percentage();
+                viewport_percentage = vp || viewport_percentage;
+            }
+            viewport_percentage
+        }
+    }
 
     pub mod computed_value {
-        use values::computed::{Length, Number};
+        use values::computed::LengthOrNumber;
         #[derive(Debug, Clone, PartialEq)]
         #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
         pub struct T(pub LengthOrNumber, pub LengthOrNumber,
                      pub LengthOrNumber, pub LengthOrNumber);
-
-        #[derive(Debug, Clone, PartialEq)]
-        #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
-        pub enum LengthOrNumber {
-            Length(Length),
-            Number(Number),
-        }
     }
 
     #[derive(Debug, Clone, PartialEq)]
@@ -188,59 +190,12 @@ ${helpers.single_keyword("-moz-float-edge", "content-box margin-box",
         }
     }
 
-    #[derive(Debug, Clone, PartialEq)]
-    #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
-    pub enum LengthOrNumber {
-        Length(Length),
-        Number(Number),
-    }
-
-    impl ToCss for computed_value::LengthOrNumber {
-        fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
-            match *self {
-                computed_value::LengthOrNumber::Length(len) => len.to_css(dest),
-                computed_value::LengthOrNumber::Number(number) => number.to_css(dest),
-            }
-        }
-    }
-    impl ToCss for LengthOrNumber {
-        fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
-            match *self {
-                LengthOrNumber::Length(len) => len.to_css(dest),
-                LengthOrNumber::Number(number) => number.to_css(dest),
-            }
-        }
-    }
-
-    impl ToComputedValue for LengthOrNumber {
-        type ComputedValue = computed_value::LengthOrNumber;
-
-        #[inline]
-        fn to_computed_value(&self, context: &Context) -> computed_value::LengthOrNumber {
-            match *self {
-                LengthOrNumber::Length(len) =>
-                    computed_value::LengthOrNumber::Length(len.to_computed_value(context)),
-                LengthOrNumber::Number(number) =>
-                    computed_value::LengthOrNumber::Number(number.to_computed_value(context)),
-            }
-        }
-        #[inline]
-        fn from_computed_value(computed: &computed_value::LengthOrNumber) -> Self {
-            match *computed {
-                computed_value::LengthOrNumber::Length(len) =>
-                    LengthOrNumber::Length(ToComputedValue::from_computed_value(&len)),
-                computed_value::LengthOrNumber::Number(number) =>
-                    LengthOrNumber::Number(ToComputedValue::from_computed_value(&number)),
-            }
-        }
-    }
-
     #[inline]
     pub fn get_initial_value() -> computed_value::T {
-        computed_value::T(computed_value::LengthOrNumber::Number(0.0),
-                          computed_value::LengthOrNumber::Number(0.0),
-                          computed_value::LengthOrNumber::Number(0.0),
-                          computed_value::LengthOrNumber::Number(0.0))
+        computed_value::T(computed::LengthOrNumber::Number(0.0),
+                          computed::LengthOrNumber::Number(0.0),
+                          computed::LengthOrNumber::Number(0.0),
+                          computed::LengthOrNumber::Number(0.0))
     }
 
     impl ToComputedValue for SpecifiedValue {
@@ -278,18 +233,6 @@ ${helpers.single_keyword("-moz-float-edge", "content-box margin-box",
         }
     }
 
-    impl Parse for LengthOrNumber {
-        fn parse(input: &mut Parser) -> Result<LengthOrNumber, ()> {
-            let length = input.try(|input| Length::parse(input));
-            if let Ok(len) = length {
-                return Ok(LengthOrNumber::Length(len));
-            }
-
-            let num = try!(Number::parse_non_negative(input));
-            Ok(LengthOrNumber::Number(num))
-        }
-    }
-
     pub fn parse(_context: &ParserContext, input: &mut Parser) -> Result<SpecifiedValue, ()> {
         let mut values = vec![];
         for _ in 0..4 {

components/style/values/computed/length.rs

@@ -5,7 +5,7 @@
 use app_units::Au;
 use ordered_float::NotNaN;
 use std::fmt;
-use super::{ToComputedValue, Context};
+use super::{Number, ToComputedValue, Context};
 use values::{CSSFloat, LocalToCss, specified};
 
 pub use cssparser::Color as CSSColor;
@@ -506,3 +506,53 @@ impl ::cssparser::ToCss for LengthOrNone {
         }
     }
 }
+
+#[derive(Clone, PartialEq)]
+#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
+pub enum LengthOrNumber {
+    Length(Length),
+    Number(Number),
+}
+
+impl fmt::Debug for LengthOrNumber {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match *self {
+            LengthOrNumber::Length(length) => write!(f, "{:?}", length),
+            LengthOrNumber::Number(number) => write!(f, "{:?}", number),
+        }
+    }
+}
+
+impl ToComputedValue for specified::LengthOrNumber {
+    type ComputedValue = LengthOrNumber;
+
+    #[inline]
+    fn to_computed_value(&self, context: &Context) -> LengthOrNumber {
+        match *self {
+            specified::LengthOrNumber::Length(len) =>
+                LengthOrNumber::Length(len.to_computed_value(context)),
+            specified::LengthOrNumber::Number(number) =>
+                LengthOrNumber::Number(number.to_computed_value(context)),
+        }
+    }
+    #[inline]
+    fn from_computed_value(computed: &LengthOrNumber) -> Self {
+        match *computed {
+            LengthOrNumber::Length(len) =>
+                specified::LengthOrNumber::Length(ToComputedValue::from_computed_value(&len)),
+            LengthOrNumber::Number(number) =>
+                specified::LengthOrNumber::Number(ToComputedValue::from_computed_value(&number)),
+        }
+    }
+}
+
+impl ::cssparser::ToCss for LengthOrNumber {
+    fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
+        match *self {
+            LengthOrNumber::Length(len) => len.to_css(dest),
+            LengthOrNumber::Number(number) => number.to_css(dest),
+        }
+    }
+}
+
+pub type Length = Au;

components/style/values/computed/mod.rs

@@ -12,7 +12,7 @@ pub use cssparser::Color as CSSColor;
 pub use self::image::{EndingShape as GradientShape, Gradient, GradientKind, Image};
 pub use self::image::{LengthOrKeyword, LengthOrPercentageOrKeyword};
 pub use super::specified::{Angle, BorderStyle, Time, UrlExtraData, UrlOrNone};
-pub use self::length::{CalcLengthOrPercentage, LengthOrPercentage, LengthOrPercentageOrAuto};
+pub use self::length::{CalcLengthOrPercentage, Length, LengthOrNumber, LengthOrPercentage, LengthOrPercentageOrAuto};
 pub use self::length::{LengthOrPercentageOrAutoOrContent, LengthOrPercentageOrNone, LengthOrNone};
 
 pub mod basic_shape;
@@ -147,7 +147,5 @@ impl ::cssparser::ToCss for BorderRadiusSize {
     }
 }
 
-
-pub type Length = Au;
 pub type Number = CSSFloat;
 pub type Opacity = CSSFloat;

components/style/values/specified/length.rs

@@ -11,7 +11,7 @@ use std::cmp;
 use std::fmt;
 use std::ops::Mul;
 use style_traits::values::specified::AllowedNumericType;
-use super::{Angle, SimplifiedValueNode, SimplifiedSumNode, Time};
+use super::{Angle, Number, SimplifiedValueNode, SimplifiedSumNode, Time};
 use values::{CSSFloat, FONT_MEDIUM_PX, HasViewportPercentage, LocalToCss, computed};
 
 pub use super::image::{AngleOrCorner, ColorStop, EndingShape as GradientEndingShape, Gradient};
@@ -1014,3 +1014,40 @@ impl LengthOrPercentageOrAutoOrContent {
     }
 }
 
+#[derive(Debug, Clone, PartialEq)]
+#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
+pub enum LengthOrNumber {
+    Length(Length),
+    Number(Number),
+}
+
+impl HasViewportPercentage for LengthOrNumber {
+    fn has_viewport_percentage(&self) -> bool {
+        match *self {
+            LengthOrNumber::Length(length) => length.has_viewport_percentage(),
+            _ => false
+        }
+    }
+}
+
+impl ToCss for LengthOrNumber {
+    fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
+        match *self {
+            LengthOrNumber::Length(len) => len.to_css(dest),
+            LengthOrNumber::Number(number) => number.to_css(dest),
+        }
+    }
+}
+
+impl Parse for LengthOrNumber {
+    fn parse(input: &mut Parser) -> Result<Self, ()> {
+        let length = input.try(Length::parse);
+        if let Ok(len) = length {
+            return Ok(LengthOrNumber::Length(len));
+        }
+
+        let num = try!(Number::parse_non_negative(input));
+        Ok(LengthOrNumber::Number(num))
+    }
+}
+

components/style/values/specified/mod.rs

@@ -22,8 +22,8 @@ pub use self::image::{AngleOrCorner, ColorStop, EndingShape as GradientEndingSha
 pub use self::image::{GradientKind, HorizontalDirection, Image, LengthOrKeyword, LengthOrPercentageOrKeyword};
 pub use self::image::{SizeKeyword, VerticalDirection};
 pub use self::length::{FontRelativeLength, ViewportPercentageLength, CharacterWidth, Length, CalcLengthOrPercentage};
-pub use self::length::{Percentage, LengthOrPercentage, LengthOrPercentageOrAuto, LengthOrPercentageOrNone};
-pub use self::length::{LengthOrNone, LengthOrPercentageOrAutoOrContent, CalcUnit};
+pub use self::length::{Percentage, LengthOrNone, LengthOrNumber, LengthOrPercentage, LengthOrPercentageOrAuto};
+pub use self::length::{LengthOrPercentageOrNone, LengthOrPercentageOrAutoOrContent, CalcUnit};
 
 pub mod basic_shape;
 pub mod image;