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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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22
components/script/dom/htmlcanvaselement.rs
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@ -152,24 +152,18 @@ impl LayoutHTMLCanvasElementHelpers for LayoutDom<'_, HTMLCanvasElement> {
}
}
#[allow(unsafe_code)]
fn get_width(self) -> LengthOrPercentageOrAuto {
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("width"))
.map(AttrValue::as_uint_px_dimension)
.unwrap_or(LengthOrPercentageOrAuto::Auto)
}
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("width"))
.map(AttrValue::as_uint_px_dimension)
.unwrap_or(LengthOrPercentageOrAuto::Auto)
}
#[allow(unsafe_code)]
fn get_height(self) -> LengthOrPercentageOrAuto {
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("height"))
.map(AttrValue::as_uint_px_dimension)
.unwrap_or(LengthOrPercentageOrAuto::Auto)
}
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("height"))
.map(AttrValue::as_uint_px_dimension)
.unwrap_or(LengthOrPercentageOrAuto::Auto)
}
#[allow(unsafe_code)]