Use helpers.predefined_type for transform property.

components/style/properties/gecko.mako.rs

@@ -2999,13 +2999,13 @@ fn static_assert() {
             % endfor
         }
     </%def>
-    fn set_single_transform_function(servo_value: &longhands::transform::computed_value::ComputedOperation,
+    fn set_single_transform_function(servo_value: &values::computed::TransformOperation,
                                      gecko_value: &mut structs::nsCSSValue /* output */) {
-        use properties::longhands::transform::computed_value::ComputedOperation;
         use values::computed::{Length, LengthOrNumber, LengthOrPercentage, LengthOrPercentageOrNumber};
+        use values::computed::TransformOperation;
         use values::generics::transform::{Matrix, Matrix3D};
 
-        let convert_to_ns_css_value = |item: &ComputedOperation| -> structs::nsCSSValue {
+        let convert_to_ns_css_value = |item: &TransformOperation| -> structs::nsCSSValue {
             let mut value = structs::nsCSSValue::null();
             Self::set_single_transform_function(item, &mut value);
             value
@@ -3035,7 +3035,7 @@ fn static_assert() {
             }
         }
     }
-    pub fn convert_transform(input: &[longhands::transform::computed_value::ComputedOperation],
+    pub fn convert_transform(input: &[values::computed::TransformOperation],
                              output: &mut structs::root::RefPtr<structs::root::nsCSSValueSharedList>) {
         use gecko_bindings::sugar::refptr::RefPtr;
 
@@ -3088,7 +3088,7 @@ fn static_assert() {
             pre_symbols = "("
             post_symbols = ")"
             if keyword == "interpolatematrix" or keyword == "accumulatematrix":
-                # We generate this like: "ComputedOperation::InterpolateMatrix {", so the space is
+                # We generate this like: "TransformOperation::InterpolateMatrix {", so the space is
                 # between "InterpolateMatrix"/"AccumulateMatrix" and '{'
                 pre_symbols = " {"
                 post_symbols = "}"
@@ -3144,14 +3144,13 @@ fn static_assert() {
         },
     </%def>
     fn clone_single_transform_function(gecko_value: &structs::nsCSSValue)
-                                       -> longhands::transform::computed_value::ComputedOperation {
-        use properties::longhands::transform::computed_value::ComputedOperation;
-        use values::computed::{Length, Percentage};
+                                       -> values::computed::TransformOperation {
+        use values::computed::{Length, Percentage, TransformOperation};
         use values::generics::transform::{Matrix, Matrix3D};
         use values::generics::transform::Transform;
 
         let convert_shared_list_to_operations = |value: &structs::nsCSSValue|
-                                                -> Vec<ComputedOperation> {
+                                                -> Vec<TransformOperation> {
             debug_assert!(value.mUnit == structs::nsCSSUnit::eCSSUnit_SharedList);
             let value_list = unsafe {
                 value.mValue.mSharedList.as_ref()

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

@@ -567,42 +567,12 @@ ${helpers.predefined_type(
     allow_empty="NotInitial"
 )}
 
-<%helpers:longhand name="transform" extra_prefixes="webkit"
-                   animation_value_type="ComputedValue"
-                   flags="CREATES_STACKING_CONTEXT FIXPOS_CB"
-                   spec="https://drafts.csswg.org/css-transforms/#propdef-transform">
-    use values::generics::transform::Transform;
-
-
-    pub mod computed_value {
-        pub use values::computed::transform::Transform as T;
-        pub use values::computed::transform::TransformOperation as ComputedOperation;
-    }
-
-    pub use values::specified::transform::Transform as SpecifiedValue;
-    pub use values::specified::transform::TransformOperation as SpecifiedOperation;
-
-    #[inline]
-    pub fn get_initial_value() -> computed_value::T {
-        Transform(vec![])
-    }
-
-
-    /// Parses `transform` property.
-    #[inline]
-    pub fn parse<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
-                         -> Result<SpecifiedValue,ParseError<'i>> {
-        SpecifiedValue::parse_internal(context, input, false)
-    }
-
-    /// Parses `-moz-transform` property. This prefixed property also accepts LengthOrPercentage
-    /// in the nondiagonal homogeneous components of matrix and matrix3d.
-    #[inline]
-    pub fn parse_prefixed<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
-                                  -> Result<SpecifiedValue,ParseError<'i>> {
-        SpecifiedValue::parse_internal(context, input, true)
-    }
-</%helpers:longhand>
+${helpers.predefined_type("transform", "Transform",
+                          "generics::transform::Transform::none()",
+                          extra_prefixes="webkit",
+                          animation_value_type="ComputedValue",
+                          flags="CREATES_STACKING_CONTEXT FIXPOS_CB",
+                          spec="https://drafts.csswg.org/css-transforms/#propdef-transform")}
 
 // CSSOM View Module
 // https://www.w3.org/TR/cssom-view-1/

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

@@ -363,12 +363,11 @@ macro_rules! try_parse_one {
                     flags="SHORTHAND_ALIAS_PROPERTY"
                     derive_serialize="True"
                     spec="Non-standard: https://developer.mozilla.org/en-US/docs/Web/CSS/transform">
-    use properties::longhands::transform;
-
     pub fn parse_value<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
                                -> Result<Longhands, ParseError<'i>> {
+        use values::specified::transform::Transform;
         Ok(expanded! {
-            transform: transform::parse_prefixed(context, input)?,
+            transform: Transform::parse_prefixed(context, input)?,
         })
     }
 </%helpers:shorthand>

components/style/values/computed/mod.rs

@@ -57,7 +57,7 @@ pub use self::svg::{SVGLength, SVGOpacity, SVGPaint, SVGPaintKind, SVGStrokeDash
 pub use self::table::XSpan;
 pub use self::text::{InitialLetter, LetterSpacing, LineHeight, TextOverflow, WordSpacing};
 pub use self::time::Time;
-pub use self::transform::{TimingFunction, TransformOrigin};
+pub use self::transform::{TimingFunction, Transform, TransformOperation, TransformOrigin};
 
 #[cfg(feature = "gecko")]
 pub mod align;

components/style/values/generics/transform.rs

@@ -450,3 +450,10 @@ impl<T: ToCss> ToCss for Transform<T> {
         Ok(())
     }
 }
+
+impl<T> Transform<T> {
+    /// `none`
+    pub fn none() -> Self {
+        Transform(vec![])
+    }
+}

components/style/values/specified/mod.rs

@@ -53,7 +53,7 @@ pub use self::svg::{SVGLength, SVGOpacity, SVGPaint, SVGPaintKind, SVGStrokeDash
 pub use self::table::XSpan;
 pub use self::text::{InitialLetter, LetterSpacing, LineHeight, TextOverflow, WordSpacing};
 pub use self::time::Time;
-pub use self::transform::{TimingFunction, TransformOrigin};
+pub use self::transform::{TimingFunction, Transform, TransformOrigin};
 pub use super::generics::grid::GridTemplateComponent as GenericGridTemplateComponent;
 
 #[cfg(feature = "gecko")]

components/style/values/specified/transform.rs

@@ -39,7 +39,7 @@ pub type TransformOrigin = GenericTransformOrigin<OriginComponent<X>, OriginComp
 impl Transform {
     /// Internal parse function for deciding if we wish to accept prefixed values or not
     // Allow unitless zero angle for rotate() and skew() to align with gecko
-    pub fn parse_internal<'i, 't>(
+    fn parse_internal<'i, 't>(
         context: &ParserContext,
         input: &mut Parser<'i, 't>,
         prefixed: bool,
@@ -252,6 +252,25 @@ impl Transform {
             })
         })?))
     }
+
+    /// Parses `-moz-transform` property. This prefixed property also accepts LengthOrPercentage
+    /// in the nondiagonal homogeneous components of matrix and matrix3d.
+    #[inline]
+    pub fn parse_prefixed<'i, 't>(
+        context: &ParserContext,
+        input: &mut Parser<'i, 't>,
+    ) -> Result<Self, ParseError<'i>> {
+        Transform::parse_internal(context, input, true)
+    }
+}
+
+impl Parse for Transform {
+    fn parse<'i, 't>(
+        context: &ParserContext,
+        input: &mut Parser<'i, 't>
+    ) -> Result<Self, ParseError<'i>> {
+        Transform::parse_internal(context, input, false)
+    }
 }
 
 /// The specified value of a component of a CSS `<transform-origin>`.