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Auto merge of #16269 - heycam:atom-already-addrefed, r=upsuper

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Add an Atom::from_addrefed function.

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This commit is contained in:
bors-servo 2017-04-05 05:10:07 -05:00 • committed by GitHub
commit a55cb8425d
2 changed files with 11 additions and 1 deletions
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2
components/style/gecko/wrapper.rs
View file

@ -694,7 +694,7 @@ impl<'le> PresentationalHintsSynthetizer for GeckoElement<'le> {
let global_style_data = &*GLOBAL_STYLE_DATA;
let pdb = PropertyDeclarationBlock::with_one(
PropertyDeclaration::XLang(SpecifiedLang(Atom::from(ptr))),
PropertyDeclaration::XLang(SpecifiedLang(unsafe { Atom::from_addrefed(ptr) })),
Importance::Normal
);
let arc = Arc::new(global_style_data.shared_lock.wrap(pdb));

10
components/style/gecko_string_cache/mod.rs
View file

@ -197,6 +197,16 @@ impl Atom {
"Called from_static for a non-static atom!");
atom
}
/// Creates an atom from a dynamic atom pointer that has already had AddRef
/// called on it.
#[inline]
pub unsafe fn from_addrefed(ptr: *mut nsIAtom) -> Self {
debug_assert!(!ptr.is_null());
unsafe {
Atom(WeakAtom::new(ptr))
}
}
}
impl Hash for Atom {