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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::root::LayoutDom;
use crate::dom::shadowroot::{LayoutShadowRootHelpers, ShadowRoot};
use crate::layout_dom::ServoLayoutElement;
use crate::layout_dom::ServoLayoutNode;
use script_layout_interface::wrapper_traits::LayoutDataTrait;
use std::fmt;
use std::marker::PhantomData;
use style::dom::TShadowRoot;
use style::shared_lock::SharedRwLockReadGuard as StyleSharedRwLockReadGuard;
use style::stylist::{CascadeData, Stylist};
pub struct ServoShadowRoot<'dom, LayoutDataType: LayoutDataTrait> {
/// The wrapped private DOM ShadowRoot.
shadow_root: LayoutDom<'dom, ShadowRoot>,
/// A PhantomData that is used to track the type of the stored layout data.
phantom: PhantomData<LayoutDataType>,
}
impl<'dom, LayoutDataType: LayoutDataTrait> Clone for ServoShadowRoot<'dom, LayoutDataType> {
fn clone(&self) -> Self {
*self
}
}
impl<'dom, LayoutDataType: LayoutDataTrait> Copy for ServoShadowRoot<'dom, LayoutDataType> {}
impl<'a, LayoutDataType: LayoutDataTrait> PartialEq for ServoShadowRoot<'a, LayoutDataType> {
#[inline]
fn eq(&self, other: &Self) -> bool {
self.shadow_root == other.shadow_root
}
}
impl<'dom, LayoutDataType: LayoutDataTrait> fmt::Debug for ServoShadowRoot<'dom, LayoutDataType> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.as_node().fmt(f)
}
}
impl<'dom, LayoutDataType: LayoutDataTrait> ::style::dom::TShadowRoot
for ServoShadowRoot<'dom, LayoutDataType>
{
type ConcreteNode = ServoLayoutNode<'dom, LayoutDataType>;
fn as_node(&self) -> Self::ConcreteNode {
ServoLayoutNode::from_layout_js(self.shadow_root.upcast())
}
fn host(&self) -> ServoLayoutElement<'dom, LayoutDataType> {
ServoLayoutElement::from_layout_js(self.shadow_root.get_host_for_layout())
}
fn style_data<'a>(&self) -> Option<&'a CascadeData>
where
Self: 'a,
{
Some(&self.shadow_root.get_style_data_for_layout())
}
}
impl<'dom, LayoutDataType: LayoutDataTrait> ServoShadowRoot<'dom, LayoutDataType> {
pub(super) fn from_layout_js(shadow_root: LayoutDom<'dom, ShadowRoot>) -> Self {
ServoShadowRoot {
shadow_root,
phantom: PhantomData,
}
}
pub unsafe fn flush_stylesheets(
&self,
stylist: &mut Stylist,
guard: &StyleSharedRwLockReadGuard,
) {
self.shadow_root
.flush_stylesheets::<ServoLayoutElement<LayoutDataType>>(stylist, guard)
}
}
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