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Add a Stylo API for reparenting a given style.

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Servo side of part 4 of the fix for Gecko bug 1324619.  r=emilio
This commit is contained in:
Boris Zbarsky 2017-07-28 21:16:41 -04:00
parent 8db39f8fde
commit 7161fff1b8
6 changed files with 189 additions and 36 deletions
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15
components/style/properties/gecko.mako.rs
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@ -41,6 +41,9 @@ use gecko_bindings::bindings::{Gecko_ResetFilters, Gecko_CopyFiltersFrom};
use gecko_bindings::bindings::RawGeckoPresContextBorrowed;
use gecko_bindings::structs;
use gecko_bindings::structs::nsCSSPropertyID;
use gecko_bindings::structs::mozilla::CSSPseudoElementType;
use gecko_bindings::structs::mozilla::CSSPseudoElementType_InheritingAnonBox;
use gecko_bindings::structs::root::NS_STYLE_CONTEXT_TYPE_SHIFT;
use gecko_bindings::sugar::ns_style_coord::{CoordDataValue, CoordData, CoordDataMut};
use gecko::values::convert_nscolor_to_rgba;
use gecko::values::convert_rgba_to_nscolor;
@ -133,6 +136,18 @@ impl ComputedValues {
let atom = Atom::from(atom);
PseudoElement::from_atom(&atom)
}
fn get_pseudo_type(&self) -> CSSPseudoElementType {
let bits = (self.0)._base.mBits;
let our_type = bits >> NS_STYLE_CONTEXT_TYPE_SHIFT;
unsafe { transmute(our_type as u8) }
}
pub fn is_anon_box(&self) -> bool {
let our_type = self.get_pseudo_type();
return our_type == CSSPseudoElementType_InheritingAnonBox ||
our_type == CSSPseudoElementType::NonInheritingAnonBox;
}
}
impl Drop for ComputedValues {