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Replace OpaqueStyleAndLayoutData by StyleAndOpaqueLayoutData

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This commit is contained in:
Anthony Ramine 2020-04-06 14:42:05 +02:00
parent 88d79fe46d
commit 030a1cf8fb
12 changed files with 129 additions and 162 deletions
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15
components/layout_2020/wrapper.rs
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@ -5,18 +5,21 @@
#![allow(unsafe_code)]
use crate::data::StyleAndLayoutData;
use script_layout_interface::wrapper_traits::GetOpaqueStyleAndLayoutData;
use script_layout_interface::wrapper_traits::GetStyleAndOpaqueLayoutData;
pub trait GetStyleAndLayoutData<'dom> {
fn get_style_and_layout_data(self) -> Option<&'dom StyleAndLayoutData>;
fn get_style_and_layout_data(self) -> Option<StyleAndLayoutData<'dom>>;
}
impl<'dom, T> GetStyleAndLayoutData<'dom> for T
where
T: GetOpaqueStyleAndLayoutData<'dom>,
T: GetStyleAndOpaqueLayoutData<'dom>,
{
fn get_style_and_layout_data(self) -> Option<&'dom StyleAndLayoutData> {
self.get_opaque_style_and_layout_data()
.map(|opaque| opaque.downcast_ref().unwrap())
fn get_style_and_layout_data(self) -> Option<StyleAndLayoutData<'dom>> {
self.get_style_and_opaque_layout_data()
.map(|data| StyleAndLayoutData {
style_data: &data.style_data,
layout_data: data.generic_data.downcast_ref().unwrap(),
})
}
}