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Introduce <LayoutDom<Element>>::attrs()

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This safe method is the basic block to access element attributes from layout.
We reuse it in the other attr-related layout methods to remove a pretty big
source of rampant unsafe code between script and layout.
This commit is contained in:
Anthony Ramine 2020-03-31 18:46:49 +02:00
parent 0bda174823
commit 5ff931d171
16 changed files with 203 additions and 301 deletions
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21
components/script/dom/svgsvgelement.rs
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@ -53,19 +53,16 @@ pub trait LayoutSVGSVGElementHelpers {
}
impl LayoutSVGSVGElementHelpers for LayoutDom<'_, SVGSVGElement> {
#[allow(unsafe_code, non_snake_case)]
fn data(self) -> SVGSVGData {
unsafe {
let width_attr = self
.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("width"));
let height_attr = self
.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("height"));
SVGSVGData {
width: width_attr.map_or(DEFAULT_WIDTH, |val| val.as_uint()),
height: height_attr.map_or(DEFAULT_HEIGHT, |val| val.as_uint()),
}
let width_attr = self
.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("width"));
let height_attr = self
.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("height"));
SVGSVGData {
width: width_attr.map_or(DEFAULT_WIDTH, |val| val.as_uint()),
height: height_attr.map_or(DEFAULT_HEIGHT, |val| val.as_uint()),
}
}
}