From 3b59dbadeee545dfc1935c5f5cd8cc7250195d67 Mon Sep 17 00:00:00 2001
From: Manish Goregaokar <manishearth@gmail.com>
Date: Mon, 6 Feb 2017 17:45:09 -0800
Subject: [PATCH] stylo: Implement -moz-stack-sizing

MozReview-Commit-ID: 6mr4ktfeEGT
---
 components/style/properties/gecko.mako.rs        | 12 ++++++++++++
 components/style/properties/longhand/xul.mako.rs |  7 +++++++
 2 files changed, 19 insertions(+)

diff --git a/components/style/properties/gecko.mako.rs b/components/style/properties/gecko.mako.rs
index 5d3ebaae4e8..065599b4f73 100644
--- a/components/style/properties/gecko.mako.rs
+++ b/components/style/properties/gecko.mako.rs
@@ -2851,6 +2851,18 @@ clip-path
     }
 </%self:impl_trait>
 
+<%self:impl_trait style_struct_name="XUL"
+                  skip_longhands="-moz-stack-sizing">
+
+    #[allow(non_snake_case)]
+    pub fn set__moz_stack_sizing(&mut self, v: longhands::_moz_stack_sizing::computed_value::T) {
+        use properties::longhands::_moz_stack_sizing::computed_value::T;
+        self.gecko.mStretchStack = v == T::stretch_to_fit;
+    }
+
+    ${impl_simple_copy('_moz_stack_sizing', 'mStretchStack')}
+</%self:impl_trait>
+
 <%def name="define_ffi_struct_accessor(style_struct)">
 #[no_mangle]
 #[allow(non_snake_case, unused_variables)]
diff --git a/components/style/properties/longhand/xul.mako.rs b/components/style/properties/longhand/xul.mako.rs
index 7862b1d9177..6cf61f3948a 100644
--- a/components/style/properties/longhand/xul.mako.rs
+++ b/components/style/properties/longhand/xul.mako.rs
@@ -22,3 +22,10 @@ ${helpers.predefined_type("-moz-box-flex", "Number", "0.0", "parse_non_negative"
                           animatable=False,
                           alias="-webkit-box-flex",
                           spec="Nonstandard (https://developer.mozilla.org/en-US/docs/Web/CSS/box-flex)")}
+
+
+${helpers.single_keyword("-moz-stack-sizing", "stretch-to-fit ignore",
+                         products="gecko", gecko_ffi_name="mStretchStack",
+                         gecko_constant_prefix="NS_STYLE_STACK_SIZING",
+                         animatable=False,
+                         spec="Nonstandard (https://developer.mozilla.org/en-US/docs/Web/CSS/-moz-stack-sizing)")}