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Make layout methods accessing rare data be safe

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They don't do anything fancy so there is no additional unsafety calling them
compared to using LayoutDom in the first place, the usual story of all
those changes.
This commit is contained in:
Anthony Ramine 2020-03-31 21:59:01 +02:00
parent 414d477b54
commit 9c8540af5c
4 changed files with 36 additions and 41 deletions
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21
components/script/dom/element.rs
View file

@ -583,8 +583,7 @@ pub trait LayoutElementHelpers<'dom> {
fn insert_selector_flags(self, flags: ElementSelectorFlags);
fn has_selector_flags(self, flags: ElementSelectorFlags) -> bool;
/// The shadow root this element is a host of.
#[allow(unsafe_code)]
unsafe fn get_shadow_root_for_layout(self) -> Option<LayoutDom<'dom, ShadowRoot>>;
fn get_shadow_root_for_layout(self) -> Option<LayoutDom<'dom, ShadowRoot>>;
fn get_attr_for_layout(
self,
namespace: &Namespace,
@ -1038,14 +1037,16 @@ impl<'dom> LayoutElementHelpers<'dom> for LayoutDom<'dom, Element> {
#[inline]
#[allow(unsafe_code)]
unsafe fn get_shadow_root_for_layout(self) -> Option<LayoutDom<'dom, ShadowRoot>> {
self.unsafe_get()
.rare_data
.borrow_for_layout()
.as_ref()?
.shadow_root
.as_ref()
.map(|sr| sr.to_layout())
fn get_shadow_root_for_layout(self) -> Option<LayoutDom<'dom, ShadowRoot>> {
unsafe {
self.unsafe_get()
.rare_data
.borrow_for_layout()
.as_ref()?
.shadow_root
.as_ref()
.map(|sr| sr.to_layout())
}
}
#[inline]