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Reduce scope of unsafe block in LayoutHTMLCanvasElementHelpers::data

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This commit is contained in:
Anthony Ramine 2020-03-31 19:06:25 +02:00
parent 5ff931d171
commit a913c6650d
1 changed files with 15 additions and 15 deletions
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30
components/script/dom/htmlcanvaselement.rs
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@ -123,8 +123,8 @@ pub trait LayoutHTMLCanvasElementHelpers {
impl LayoutHTMLCanvasElementHelpers for LayoutDom<'_, HTMLCanvasElement> { impl LayoutHTMLCanvasElementHelpers for LayoutDom<'_, HTMLCanvasElement> {
#[allow(unsafe_code)] #[allow(unsafe_code)]
fn data(self) -> HTMLCanvasData { fn data(self) -> HTMLCanvasData {
unsafe { let source = unsafe {
let source = match self.unsafe_get().context.borrow_for_layout().as_ref() { match self.unsafe_get().context.borrow_for_layout().as_ref() {
Some(&CanvasContext::Context2d(ref context)) => { Some(&CanvasContext::Context2d(ref context)) => {
HTMLCanvasDataSource::Image(Some(context.to_layout().get_ipc_renderer())) HTMLCanvasDataSource::Image(Some(context.to_layout().get_ipc_renderer()))
}, },
@ -135,20 +135,20 @@ impl LayoutHTMLCanvasElementHelpers for LayoutDom<'_, HTMLCanvasElement> {
context.to_layout().canvas_data_source() context.to_layout().canvas_data_source()
}, },
None => HTMLCanvasDataSource::Image(None), None => HTMLCanvasDataSource::Image(None),
};
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"));
HTMLCanvasData {
source: source,
width: width_attr.map_or(DEFAULT_WIDTH, |val| val.as_uint()),
height: height_attr.map_or(DEFAULT_HEIGHT, |val| val.as_uint()),
canvas_id: self.get_canvas_id_for_layout(),
} }
};
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"));
HTMLCanvasData {
source: source,
width: width_attr.map_or(DEFAULT_WIDTH, |val| val.as_uint()),
height: height_attr.map_or(DEFAULT_HEIGHT, |val| val.as_uint()),
canvas_id: self.get_canvas_id_for_layout(),
} }
} }