From 6316b7aeb8b5a5be20cb1f8580dffbbe3a00f111 Mon Sep 17 00:00:00 2001
From: Daisuke Akatsuka <dakatsuka@mozilla.com>
Date: Wed, 5 Jul 2017 12:58:10 +0900
Subject: [PATCH] implements nsStyleCounterData type properties animatable

---
 components/style/properties/gecko.mako.rs             | 11 +++++++++++
 components/style/properties/longhand/counters.mako.rs |  4 ++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/components/style/properties/gecko.mako.rs b/components/style/properties/gecko.mako.rs
index 73dbf480591..053e1cdd49a 100644
--- a/components/style/properties/gecko.mako.rs
+++ b/components/style/properties/gecko.mako.rs
@@ -4511,6 +4511,17 @@ clip-path
                 bindings::Gecko_CopyCounter${counter_property}sFrom(&mut self.gecko, &other.gecko)
             }
         }
+
+        pub fn clone_counter_${counter_property.lower()}(&self) -> longhands::counter_increment::computed_value::T {
+            use values::CustomIdent;
+            use gecko_string_cache::Atom;
+
+            longhands::counter_increment::computed_value::T(
+                self.gecko.m${counter_property}s.iter().map(|ref gecko_counter| {
+                    (CustomIdent(Atom::from(gecko_counter.mCounter.to_string())), gecko_counter.mValue)
+                }).collect()
+            )
+        }
     % endfor
 </%self:impl_trait>
 
diff --git a/components/style/properties/longhand/counters.mako.rs b/components/style/properties/longhand/counters.mako.rs
index 463eafefba4..0a079fd277a 100644
--- a/components/style/properties/longhand/counters.mako.rs
+++ b/components/style/properties/longhand/counters.mako.rs
@@ -233,7 +233,7 @@
     }
 </%helpers:longhand>
 
-<%helpers:longhand name="counter-increment" animation_value_type="none"
+<%helpers:longhand name="counter-increment" animation_value_type="discrete"
                    spec="https://drafts.csswg.org/css-lists/#propdef-counter-increment">
     use std::fmt;
     use style_traits::ToCss;
@@ -350,7 +350,7 @@
     }
 </%helpers:longhand>
 
-<%helpers:longhand name="counter-reset" animation_value_type="none"
+<%helpers:longhand name="counter-reset" animation_value_type="discrete"
                    spec="https://drafts.csswg.org/css-lists-3/#propdef-counter-reset">
     pub use super::counter_increment::{SpecifiedValue, computed_value, get_initial_value};
     use super::counter_increment::parse_common;