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

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

View file

@ -100,34 +100,25 @@ pub trait HTMLBodyElementLayoutHelpers {
}
impl HTMLBodyElementLayoutHelpers for LayoutDom<'_, HTMLBodyElement> {
#[allow(unsafe_code)]
fn get_background_color(self) -> Option<RGBA> {
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("bgcolor"))
.and_then(AttrValue::as_color)
.cloned()
}
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("bgcolor"))
.and_then(AttrValue::as_color)
.cloned()
}
#[allow(unsafe_code)]
fn get_color(self) -> Option<RGBA> {
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("text"))
.and_then(AttrValue::as_color)
.cloned()
}
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("text"))
.and_then(AttrValue::as_color)
.cloned()
}
#[allow(unsafe_code)]
fn get_background(self) -> Option<ServoUrl> {
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("background"))
.and_then(AttrValue::as_resolved_url)
.cloned()
}
self.upcast::<Element>()
.get_attr_for_layout(&ns!(), &local_name!("background"))
.and_then(AttrValue::as_resolved_url)
.cloned()
}
}