stylo: Implement -moz-image-region

MozReview-Commit-ID: E6Iir2hWlbG
servo · Feb 9, 2017 · 78dc5f6 · 78dc5f6
1 parent 6b0d390
commit 78dc5f6
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Showing 2 changed files with 31 additions and 1 deletion.
diff --git a/components/style/properties/gecko.mako.rs b/components/style/properties/gecko.mako.rs
@@ -2034,7 +2034,7 @@ fn static_assert() {
 </%self:impl_trait>
 
 <%self:impl_trait style_struct_name="List"
-                  skip_longhands="list-style-image list-style-type quotes"
+                  skip_longhands="list-style-image list-style-type quotes -moz-image-region"
                   skip_additionals="*">
 
     pub fn set_list_style_image(&mut self, image: longhands::list_style_image::computed_value::T) {
@@ -2100,6 +2100,28 @@ fn static_assert() {
         unsafe { self.gecko.mQuotes.set(&other.gecko.mQuotes); }
     }
 
+    #[allow(non_snake_case)]
+    pub fn set__moz_image_region(&mut self, v: longhands::_moz_image_region::computed_value::T) {
+        use values::Either;
+
+        match v {
+            Either::Second(_auto) => {
+                self.gecko.mImageRegion.x = 0;
+                self.gecko.mImageRegion.y = 0;
+                self.gecko.mImageRegion.width = 0;
+                self.gecko.mImageRegion.height = 0;
+            }
+            Either::First(rect) => {
+                self.gecko.mImageRegion.x = rect.left.0;
+                self.gecko.mImageRegion.y = rect.top.0;
+                self.gecko.mImageRegion.height = rect.bottom.unwrap_or(Au(0)).0 - self.gecko.mImageRegion.y;
+                self.gecko.mImageRegion.width = rect.right.unwrap_or(Au(0)).0 - self.gecko.mImageRegion.x;
+            }
+        }
+    }
+
+    ${impl_simple_copy('_moz_image_region', 'mImageRegion')}
+
 </%self:impl_trait>
 
 <%self:impl_trait style_struct_name="Effects"

diff --git a/components/style/properties/longhand/list.mako.rs b/components/style/properties/longhand/list.mako.rs
@@ -101,3 +101,11 @@ ${helpers.predefined_type("list-style-image", "UrlOrNone", "Either::Second(None_
         }
     }
 </%helpers:longhand>
+
+${helpers.predefined_type("-moz-image-region",
+                          "ClipRectOrAuto",
+                          "computed::ClipRectOrAuto::auto()",
+                          animatable=False,
+                          products="gecko",
+                          boxed="True",
+                          spec="Nonstandard (https://developer.mozilla.org/en-US/docs/Web/CSS/-moz-image-region)")}