Use predefined_type for transition-property

components/style/properties/helpers/animated_properties.mako.rs

@@ -39,9 +39,8 @@ use values::CSSFloat;
 use values::{Auto, Either};
 use values::computed::{Angle, LengthOrPercentageOrAuto, LengthOrPercentageOrNone};
 use values::computed::{BorderCornerRadius, ClipRect};
-use values::computed::{CalcLengthOrPercentage, Context, LengthOrPercentage};
-use values::computed::{MaxLength, MozLength};
-use values::computed::ToComputedValue;
+use values::computed::{CalcLengthOrPercentage, Context, ComputedValueAsSpecified};
+use values::computed::{LengthOrPercentage, MaxLength, MozLength, ToComputedValue};
 use values::generics::{SVGPaint, SVGPaintKind};
 use values::generics::border::BorderCornerRadius as GenericBorderCornerRadius;
 use values::generics::position as generic_position;
@@ -73,6 +72,10 @@ pub enum TransitionProperty {
     Unsupported(Atom)
 }
 
+no_viewport_percentage!(TransitionProperty);
+
+impl ComputedValueAsSpecified for TransitionProperty {}
+
 impl TransitionProperty {
     /// Iterates over each longhand property.
     pub fn each<F: FnMut(&TransitionProperty) -> ()>(mut cb: F) {

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

@@ -424,36 +424,17 @@ ${helpers.predefined_type("transition-timing-function",
                           extra_prefixes="moz webkit",
                           spec="https://drafts.csswg.org/css-transitions/#propdef-transition-timing-function")}
 
-<%helpers:vector_longhand name="transition-property"
-                          allow_empty="True"
-                          need_index="True"
-                          animation_value_type="none"
-                          extra_prefixes="moz webkit"
-                          spec="https://drafts.csswg.org/css-transitions/#propdef-transition-property">
-
-    use values::computed::ComputedValueAsSpecified;
-
-    pub use properties::animated_properties::TransitionProperty;
-    pub use properties::animated_properties::TransitionProperty as SpecifiedValue;
-
-    pub mod computed_value {
-        // NB: Can't generate the type here because it needs all the longhands
-        // generated beforehand.
-        pub use super::SpecifiedValue as T;
-    }
-
-    pub fn parse(_context: &ParserContext, input: &mut Parser) -> Result<SpecifiedValue,()> {
-        SpecifiedValue::parse(input)
-    }
-
-    pub fn get_initial_specified_value() -> SpecifiedValue {
-        TransitionProperty::All
-    }
-
-    no_viewport_percentage!(SpecifiedValue);
-
-    impl ComputedValueAsSpecified for SpecifiedValue { }
-</%helpers:vector_longhand>
+${helpers.predefined_type("transition-property",
+                          "TransitionProperty",
+                          "computed::TransitionProperty::All",
+                          initial_specified_value="specified::TransitionProperty::All",
+                          vector=True,
+                          allow_empty=True,
+                          need_index=True,
+                          needs_context=False,
+                          animation_value_type="none",
+                          extra_prefixes="moz webkit",
+                          spec="https://drafts.csswg.org/css-transitions/#propdef-transition-property")}
 
 ${helpers.predefined_type("transition-delay",
                           "Time",

components/style/values/computed/mod.rs

@@ -23,6 +23,7 @@ use super::specified;
 
 pub use app_units::Au;
 pub use cssparser::Color as CSSColor;
+pub use properties::animated_properties::TransitionProperty;
 pub use self::background::BackgroundSize;
 pub use self::border::{BorderImageSlice, BorderImageWidth, BorderImageSideWidth};
 pub use self::border::{BorderRadius, BorderCornerRadius};

components/style/values/specified/mod.rs

@@ -27,6 +27,7 @@ use super::generics::grid::TrackList as GenericTrackList;
 use values::computed::ComputedValueAsSpecified;
 use values::specified::calc::CalcNode;
 
+pub use properties::animated_properties::TransitionProperty;
 #[cfg(feature = "gecko")]
 pub use self::align::{AlignItems, AlignJustifyContent, AlignJustifySelf, JustifyItems};
 pub use self::background::BackgroundSize;