From 84ef0de1600458f43c58eb3e259c7ac4f690fd59 Mon Sep 17 00:00:00 2001
From: Cameron McCormack <cam@mcc.id.au>
Date: Wed, 4 May 2016 14:51:42 +1000
Subject: [PATCH] Support max-{width,height} in geckolib.

---
 ports/geckolib/properties.mako.rs |  1 +
 ports/geckolib/values.rs          | 22 +++++++++++++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/ports/geckolib/properties.mako.rs b/ports/geckolib/properties.mako.rs
index 2d291dd9618..9faf4233f61 100644
--- a/ports/geckolib/properties.mako.rs
+++ b/ports/geckolib/properties.mako.rs
@@ -362,6 +362,7 @@ impl Debug for ${style_struct.gecko_ffi_name} {
    predefined_types = {
        "LengthOrPercentage": impl_style_coord,
        "LengthOrPercentageOrAuto": impl_style_coord,
+       "LengthOrPercentageOrNone": impl_style_coord,
        "Number": impl_simple,
        "Opacity": impl_simple,
    }
diff --git a/ports/geckolib/values.rs b/ports/geckolib/values.rs
index 99bf5f6fc40..172ce193b8a 100644
--- a/ports/geckolib/values.rs
+++ b/ports/geckolib/values.rs
@@ -4,7 +4,7 @@
 
 use cssparser::RGBA;
 use gecko_style_structs::{nsStyleUnion, nsStyleUnit};
-use style::values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto};
+use style::values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto, LengthOrPercentageOrNone};
 
 pub trait ToGeckoStyleCoord {
     fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion);
@@ -46,6 +46,26 @@ impl ToGeckoStyleCoord for LengthOrPercentageOrAuto {
     }
 }
 
+impl ToGeckoStyleCoord for LengthOrPercentageOrNone {
+    fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion) {
+        match *self {
+            LengthOrPercentageOrNone::Length(au) => {
+                *unit = nsStyleUnit::eStyleUnit_Coord;
+                unsafe { *union.mInt.as_mut() = au.0; }
+            },
+            LengthOrPercentageOrNone::Percentage(p) => {
+                *unit = nsStyleUnit::eStyleUnit_Percent;
+                unsafe { *union.mFloat.as_mut() = p; }
+            },
+            LengthOrPercentageOrNone::None => {
+                *unit = nsStyleUnit::eStyleUnit_None;
+                unsafe { *union.mInt.as_mut() = 0; }
+            },
+            LengthOrPercentageOrNone::Calc(_) => unimplemented!(),
+        };
+    }
+}
+
 pub fn convert_rgba_to_nscolor(rgba: &RGBA) -> u32 {
     (((rgba.alpha * 255.0).round() as u32) << 24) |
     (((rgba.blue  * 255.0).round() as u32) << 16) |