tor-browser

commit 716f7f4a5ac3d8cb4dbabdc72781fe49fbac9541
parent 12d8474e45d73748da2f9ab703d0434371bf8a57
Author: Oriol Brufau <obrufau@igalia.com>
Date:   Tue,  7 Oct 2025 23:16:08 +0000

Bug 1992880 - Restrict `font-family: math` to Gecko. r=firefox-style-system-reviewers,emilio

This is a fixup for https://phabricator.services.mozilla.com/D256978

Differential Revision: https://phabricator.services.mozilla.com/D267695

Diffstat:
M
servo/components/style/values/computed/font.rs
 | 
8
++++++--

1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/servo/components/style/values/computed/font.rs b/servo/components/style/values/computed/font.rs
@@ -420,6 +420,7 @@ impl FontFamily {
         generic_font_family!(MONOSPACE, Monospace);
         generic_font_family!(CURSIVE, Cursive);
         generic_font_family!(FANTASY, Fantasy);
+        #[cfg(feature = "gecko")]
         generic_font_family!(MATH, Math);
         #[cfg(feature = "gecko")]
         generic_font_family!(MOZ_EMOJI, MozEmoji);
@@ -435,6 +436,7 @@ impl FontFamily {
             GenericFontFamily::Monospace => &*MONOSPACE,
             GenericFontFamily::Cursive => &*CURSIVE,
             GenericFontFamily::Fantasy => &*FANTASY,
+            #[cfg(feature = "gecko")]
             GenericFontFamily::Math => &*MATH,
             #[cfg(feature = "gecko")]
             GenericFontFamily::MozEmoji => &*MOZ_EMOJI,
@@ -577,6 +579,7 @@ fn system_ui_enabled(_: &ParserContext) -> bool {
     static_prefs::pref!("layout.css.system-ui.enabled")
 }
 
+#[cfg(feature = "gecko")]
 fn math_enabled(context: &ParserContext) -> bool {
     context.chrome_rules_enabled() || static_prefs::pref!("mathml.font_family_math.enabled")
 }
@@ -619,6 +622,7 @@ pub enum GenericFontFamily {
     Monospace,
     Cursive,
     Fantasy,
+    #[cfg(feature = "gecko")]
     #[parse(condition = "math_enabled")]
     Math,
     #[parse(condition = "system_ui_enabled")]
@@ -635,9 +639,9 @@ impl GenericFontFamily {
     /// the user. See bug 789788 and bug 1730098.
     pub(crate) fn valid_for_user_font_prioritization(self) -> bool {
         match self {
-            Self::None | Self::Cursive | Self::Fantasy | Self::Math | Self::SystemUi => false,
+            Self::None | Self::Cursive | Self::Fantasy | Self::SystemUi => false,
             #[cfg(feature = "gecko")]
-            Self::MozEmoji => false,
+            Self::Math | Self::MozEmoji => false,
             Self::Serif | Self::SansSerif | Self::Monospace => true,
         }
     }