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First bits of shadow dom layout

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This commit is contained in:
Fernando Jiménez Moreno 2019-01-31 16:10:26 +01:00
parent be06f1e9b3
commit 7c9e8aa4cc
5 changed files with 118 additions and 30 deletions
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23
components/script/dom/element.rs
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@ -15,6 +15,7 @@ use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use crate::dom::bindings::codegen::Bindings::FunctionBinding::Function;
use crate::dom::bindings::codegen::Bindings::HTMLTemplateElementBinding::HTMLTemplateElementMethods;
use crate::dom::bindings::codegen::Bindings::NodeBinding::{GetRootNodeOptions, NodeMethods};
use crate::dom::bindings::codegen::Bindings::ShadowRootBinding::ShadowRootBinding::ShadowRootMethods;
use crate::dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use crate::dom::bindings::codegen::Bindings::WindowBinding::{ScrollBehavior, ScrollToOptions};
use crate::dom::bindings::codegen::UnionTypes::NodeOrString;
@ -76,7 +77,7 @@ use crate::dom::node::{NodeDamage, NodeFlags, UnbindContext};
use crate::dom::nodelist::NodeList;
use crate::dom::promise::Promise;
use crate::dom::servoparser::ServoParser;
use crate::dom::shadowroot::ShadowRoot;
use crate::dom::shadowroot::{LayoutShadowRootHelpers, ShadowRoot};
use crate::dom::text::Text;
use crate::dom::validation::Validatable;
use crate::dom::virtualmethods::{vtable_for, VirtualMethods};
@ -587,6 +588,9 @@ pub trait LayoutElementHelpers {
fn get_state_for_layout(&self) -> ElementState;
fn insert_selector_flags(&self, flags: ElementSelectorFlags);
fn has_selector_flags(&self, flags: ElementSelectorFlags) -> bool;
/// The shadow root this element is a host of.
#[allow(unsafe_code)]
unsafe fn get_shadow_root_for_layout(&self) -> Option<LayoutDom<ShadowRoot>>;
}
impl LayoutElementHelpers for LayoutDom<Element> {
@ -1049,6 +1053,12 @@ impl LayoutElementHelpers for LayoutDom<Element> {
fn has_selector_flags(&self, flags: ElementSelectorFlags) -> bool {
unsafe { (*self.unsafe_get()).selector_flags.get().contains(flags) }
}
#[inline]
#[allow(unsafe_code)]
unsafe fn get_shadow_root_for_layout(&self) -> Option<LayoutDom<ShadowRoot>> {
(*self.unsafe_get()).shadow_root.get_inner_as_layout()
}
}
impl Element {
@ -2877,11 +2887,18 @@ impl<'a> SelectorsElement for DomRoot<Element> {
}
fn parent_node_is_shadow_root(&self) -> bool {
false
match self.upcast::<Node>().GetParentNode() {
None => false,
Some(node) => node.is::<ShadowRoot>(),
}
}
fn containing_shadow_host(&self) -> Option<Self> {
None
if let Some(shadow_root) = self.upcast::<Node>().owner_shadow_root() {
Some(shadow_root.Host())
} else {
None
}
}
fn match_pseudo_element(