servo/components/script/dom/shadowroot.rs
2019-04-26 10:17:44 +02:00

96 lines
3.2 KiB
Rust

/* 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::codegen::Bindings::NodeBinding::NodeBinding::NodeMethods;
use crate::dom::bindings::codegen::Bindings::ShadowRootBinding::ShadowRootBinding::ShadowRootMethods;
use crate::dom::bindings::codegen::Bindings::ShadowRootBinding::{self, ShadowRootMode};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::num::Finite;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::document::Document;
use crate::dom::documentfragment::DocumentFragment;
use crate::dom::documentorshadowroot::DocumentOrShadowRoot;
use crate::dom::element::Element;
use crate::dom::htmlelement::HTMLElement;
use crate::dom::node;
use crate::dom::stylesheetlist::StyleSheetList;
use crate::dom::window::Window;
use crate::dom::windowproxy::WindowProxy;
use dom_struct::dom_struct;
use euclid::Point2D;
use js::jsapi::JS_GetRuntime;
use script_layout_interface::message::{NodesFromPointQueryType, QueryMsg};
use script_traits::UntrustedNodeAddress;
// https://dom.spec.whatwg.org/#interface-shadowroot
#[dom_struct]
pub struct ShadowRoot {
document_fragment: DocumentFragment,
has_browsing_context: bool,
host: Dom<Element>,
stylesheet_list: MutNullableDom<StyleSheetList>,
window: Dom<Window>,
}
impl ShadowRoot {
fn new_inherited(host: &Element, document: &Document) -> ShadowRoot {
ShadowRoot {
document_fragment: DocumentFragment::new_inherited(document),
has_browsing_context: true,
host: Dom::from_ref(host),
stylesheet_list: MutNullableDom::new(None),
window: Dom::from_ref(document.window()),
}
}
pub fn new(host: &Element, document: &Document) -> DomRoot<ShadowRoot> {
reflect_dom_object(
Box::new(ShadowRoot::new_inherited(host, document)),
document.window(),
ShadowRootBinding::Wrap,
)
}
pub fn get_focused_element(&self) -> Option<DomRoot<Element>> {
//XXX get retargeted focused element
None
}
pub fn GetDocumentElement(&self) -> Option<DomRoot<Element>> {
None
}
pub fn GetBody(&self) -> Option<DomRoot<HTMLElement>> {
None
}
pub fn stylesheet_count(&self) -> usize {
//XXX handle shadowroot stylesheets
0
}
pub fn stylesheet_at(&self, _index: usize) -> Option<DomRoot<CSSStyleSheet>> {
//XXX handle shadowroot stylesheets
None
}
impl_document_or_shadow_root_helpers!();
}
impl ShadowRootMethods for ShadowRoot {
/// https://w3c.github.io/webcomponents/spec/shadow/#extensions-to-the-documentorshadowroot-mixin
impl_document_or_shadow_root_methods!(ShadowRoot);
/// https://dom.spec.whatwg.org/#dom-shadowroot-mode
fn Mode(&self) -> ShadowRootMode {
ShadowRootMode::Closed
}
/// https://dom.spec.whatwg.org/#dom-shadowroot-host
fn Host(&self) -> DomRoot<Element> {
DomRoot::from_ref(&self.host)
}
}