diff options
| -rw-r--r-- | ports/geckolib/glue.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs index 3043f879e64..02d54692b19 100644 --- a/ports/geckolib/glue.rs +++ b/ports/geckolib/glue.rs @@ -203,6 +203,23 @@ pub extern "C" fn Servo_Element_ClearData(element: RawGeckoElementBorrowed) -> ( } #[no_mangle] +pub extern "C" fn Servo_Element_ShouldTraverse(element: RawGeckoElementBorrowed) -> bool { + let element = GeckoElement(element); + if let Some(data) = element.get_data() { + debug_assert!(!element.has_dirty_descendants(), + "only call Servo_Element_ShouldTraverse if you know the element \ + does not have dirty descendants"); + match *data.borrow() { + ElementData::Initial(None) | + ElementData::Restyle(..) => true, + _ => false, + } + } else { + false + } +} + +#[no_mangle] pub extern "C" fn Servo_StyleSheet_Empty(mode: SheetParsingMode) -> RawServoStyleSheetStrong { let url = ServoUrl::parse("about:blank").unwrap(); let extra_data = ParserContextExtraData::default(); |