From f54c445dc4ccd1ce20016636dcb85981a82354eb Mon Sep 17 00:00:00 2001
From: batu_hoang <longvatrong111@gmail.com>
Date: Wed, 15 Jan 2025 17:59:41 +0800
Subject: [PATCH] Enable overflow:clip for Servo

---
 style/properties/longhands/box.mako.rs    |  4 ++--
 style/properties/longhands/margin.mako.rs |  2 +-
 style/properties/shorthands/box.mako.rs   |  2 +-
 style/values/specified/box.rs             | 19 +++++++++++++++----
 4 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/style/properties/longhands/box.mako.rs b/style/properties/longhands/box.mako.rs
index 920f7ea09..f072aa0e8 100644
--- a/style/properties/longhands/box.mako.rs
+++ b/style/properties/longhands/box.mako.rs
@@ -134,7 +134,7 @@ ${helpers.predefined_type(
 
 ${helpers.single_keyword(
     "-servo-overflow-clip-box",
-    "padding-box content-box",
+    "padding-box content-box border-box",
     engines="servo",
     animation_type="none",
     enabled_in="ua",
@@ -148,7 +148,7 @@ ${helpers.single_keyword(
         "overflow-clip-box-" + direction,
         "OverflowClipBox",
         "computed::OverflowClipBox::PaddingBox",
-        engines="gecko",
+        engines="gecko servo",
         enabled_in="chrome",
         gecko_pref="layout.css.overflow-clip-box.enabled",
         animation_type="discrete",
diff --git a/style/properties/longhands/margin.mako.rs b/style/properties/longhands/margin.mako.rs
index 1b733859d..f063658ce 100644
--- a/style/properties/longhands/margin.mako.rs
+++ b/style/properties/longhands/margin.mako.rs
@@ -33,7 +33,7 @@ ${helpers.predefined_type(
     "Length",
     "computed::Length::zero()",
     parse_method="parse_non_negative",
-    engines="gecko",
+    engines="gecko servo",
     spec="https://drafts.csswg.org/css-overflow/#propdef-overflow-clip-margin",
     affects="overflow",
 )}
diff --git a/style/properties/shorthands/box.mako.rs b/style/properties/shorthands/box.mako.rs
index 0a41b6b66..7c8c52a8d 100644
--- a/style/properties/shorthands/box.mako.rs
+++ b/style/properties/shorthands/box.mako.rs
@@ -16,7 +16,7 @@ ${helpers.two_properties_shorthand(
     "overflow-clip-box",
     "overflow-clip-box-block",
     "overflow-clip-box-inline",
-    engines="gecko",
+    engines="gecko servo",
     enabled_in="chrome",
     gecko_pref="layout.css.overflow-clip-box.enabled",
     spec="Internal, may be standardized in the future "
diff --git a/style/values/specified/box.rs b/style/values/specified/box.rs
index f227ad61d..25ee0d3f0 100644
--- a/style/values/specified/box.rs
+++ b/style/values/specified/box.rs
@@ -924,7 +924,6 @@ pub enum OverflowAnchor {
     Debug,
     Eq,
     MallocSizeOf,
-    Parse,
     PartialEq,
     SpecifiedValueInfo,
     ToComputedValue,
@@ -936,6 +935,21 @@ pub enum OverflowAnchor {
 pub enum OverflowClipBox {
     PaddingBox,
     ContentBox,
+    BorderBox,
+}
+
+impl Parse for OverflowClipBox {
+    fn parse<'i, 't>(
+        _: &ParserContext,
+        input: &mut Parser<'i, 't>,
+    ) -> Result<Self, ParseError<'i>> {
+        Ok(try_match_ident_ignore_ascii_case! { input,
+            "padding-box" => Self::PaddingBox,
+            "content-box" => Self::ContentBox,
+            "border-box" => Self::BorderBox,
+            "" => Self::PaddingBox,
+        })
+    }
 }
 
 #[derive(
@@ -1813,7 +1827,6 @@ pub enum Overflow {
     Hidden,
     Scroll,
     Auto,
-    #[cfg(feature = "gecko")]
     Clip,
 }
 
@@ -1829,7 +1842,6 @@ impl Parse for Overflow {
             "hidden" => Self::Hidden,
             "scroll" => Self::Scroll,
             "auto" | "overlay" => Self::Auto,
-            #[cfg(feature = "gecko")]
             "clip" => Self::Clip,
             #[cfg(feature = "gecko")]
             "-moz-hidden-unscrollable" if static_prefs::pref!("layout.css.overflow-moz-hidden-unscrollable.enabled") => {
@@ -1852,7 +1864,6 @@ impl Overflow {
         match *self {
             Self::Hidden | Self::Scroll | Self::Auto => *self,
             Self::Visible => Self::Auto,
-            #[cfg(feature = "gecko")]
             Self::Clip => Self::Hidden,
         }
     }