Struct ShadowRoot

#[repr(C)]
pub(crate) struct ShadowRoot {

    document_fragment: DocumentFragment,
    document_or_shadow_root: DocumentOrShadowRoot,
    document: Dom<Document>,
    host: MutNullableDom<Element>,
    author_styles: DomRefCell<AuthorStyles<ServoStylesheetInDocument>>,
    stylesheet_list: MutNullableDom<StyleSheetList>,
    window: Dom<Window>,
    mode: ShadowRootMode,
    slot_assignment_mode: SlotAssignmentMode,
    clonable: bool,
    available_to_element_internals: Cell<bool>,
    slots: DomRefCell<HashMap<DOMString, Vec<Dom<HTMLSlotElement>>>>,
    is_user_agent_widget: bool,
    declarative: Cell<bool>,
    serializable: Cell<bool>,
    delegates_focus: Cell<bool>,
    adopted_stylesheets: DomRefCell<Vec<Dom<CSSStyleSheet>>>,
    adopted_stylesheets_frozen_types: CachedFrozenArray,
}

https://dom.spec.whatwg.org/#interface-shadowroot

Fields

document_fragment: DocumentFragment

document_or_shadow_root: DocumentOrShadowRoot

document: Dom<Document>

host: MutNullableDom<Element>

author_styles: DomRefCell<AuthorStyles<ServoStylesheetInDocument>>

List of author styles associated with nodes in this shadow tree.

stylesheet_list: MutNullableDom<StyleSheetList>

window: Dom<Window>

mode: ShadowRootMode

https://dom.spec.whatwg.org/#dom-shadowroot-mode

slot_assignment_mode: SlotAssignmentMode

https://dom.spec.whatwg.org/#dom-shadowroot-slotassignment

clonable: bool

https://dom.spec.whatwg.org/#dom-shadowroot-clonable

available_to_element_internals: Cell<bool>

https://dom.spec.whatwg.org/#shadowroot-available-to-element-internals

slots: DomRefCell<HashMap<DOMString, Vec<Dom<HTMLSlotElement>>>>

is_user_agent_widget: bool

declarative: Cell<bool>

https://dom.spec.whatwg.org/#shadowroot-declarative

serializable: Cell<bool>

https://dom.spec.whatwg.org/#shadowroot-serializable

delegates_focus: Cell<bool>

https://dom.spec.whatwg.org/#shadowroot-delegates-focus

adopted_stylesheets: DomRefCell<Vec<Dom<CSSStyleSheet>>>

The constructed stylesheet that is adopted by this ShadowRoot. https://drafts.csswg.org/cssom/#dom-documentorshadowroot-adoptedstylesheets

adopted_stylesheets_frozen_types: CachedFrozenArray

Cached frozen array of Self::adopted_stylesheets

Implementations

impl ShadowRoot

fn __assert_parent_type(&self)

impl ShadowRoot

fn new_inherited( host: &Element, document: &Document, mode: ShadowRootMode, slot_assignment_mode: SlotAssignmentMode, clonable: bool, is_user_agent_widget: IsUserAgentWidget, ) -> ShadowRoot

pub(crate) fn new( host: &Element, document: &Document, mode: ShadowRootMode, slot_assignment_mode: SlotAssignmentMode, clonable: bool, is_user_agent_widget: IsUserAgentWidget, can_gc: CanGc, ) -> DomRoot<ShadowRoot>

pub(crate) fn detach(&self, can_gc: CanGc)

pub(crate) fn owner_doc(&self) -> &Document

pub(crate) fn get_focused_element(&self) -> Option<DomRoot<Element>>

pub(crate) fn stylesheet_count(&self) -> usize

pub(crate) fn stylesheet_at( &self, index: usize, ) -> Option<DomRoot<CSSStyleSheet>>

pub(crate) fn add_owned_stylesheet( &self, owner_node: &Element, sheet: Arc<Stylesheet>, )

Add a stylesheet owned by owner_node to the list of shadow root sheets, in the correct tree position. Additionally, ensure that owned stylesheet is inserted before any constructed stylesheet.

https://drafts.csswg.org/cssom/#documentorshadowroot-final-css-style-sheets

pub(crate) fn append_constructed_stylesheet( &self, cssom_stylesheet: &CSSStyleSheet, )

Append a constructed stylesheet to the back of shadow root stylesheet set.

pub(crate) fn remove_stylesheet( &self, owner: StylesheetSource, s: &Arc<Stylesheet>, )

Remove a stylesheet owned by owner from the list of shadow root sheets.

pub(crate) fn invalidate_stylesheets(&self)

pub(crate) fn unregister_element_id( &self, to_unregister: &Element, id: Atom, _can_gc: CanGc, )

Remove any existing association between the provided id and any elements in this shadow tree.

pub(crate) fn register_element_id( &self, element: &Element, id: Atom, _can_gc: CanGc, )

Associate an element present in this shadow tree with the provided id.

pub(crate) fn register_slot(&self, slot: &HTMLSlotElement)

pub(crate) fn unregister_slot(&self, name: DOMString, slot: &HTMLSlotElement)

pub(crate) fn slot_for_name( &self, name: &DOMString, ) -> Option<DomRoot<HTMLSlotElement>>

Find the first slot with the given name among this root’s descendants in tree order

pub(crate) fn has_slot_descendants(&self) -> bool

pub(crate) fn set_available_to_element_internals(&self, value: bool)

pub(crate) fn is_available_to_element_internals(&self) -> bool

https://dom.spec.whatwg.org/#shadowroot-available-to-element-internals

pub(crate) fn is_user_agent_widget(&self) -> bool

pub(crate) fn set_declarative(&self, declarative: bool)

pub(crate) fn is_declarative(&self) -> bool

pub(crate) fn shadow_root_mode(&self) -> ShadowRootMode

pub(crate) fn set_serializable(&self, serializable: bool)

pub(crate) fn set_delegates_focus(&self, delegates_focus: bool)

Trait Implementations

impl Castable for ShadowRoot

fn is<T>(&self) -> bool

where T: DerivedFrom<Self>,

Check whether a DOM object implements one of its deriving interfaces.

fn upcast<T>(&self) -> &T

where T: Castable, Self: DerivedFrom<T>,

Cast a DOM object upwards to one of the interfaces it derives from.

fn downcast<T>(&self) -> Option<&T>

where T: DerivedFrom<Self>,

Cast a DOM object downwards to one of the interfaces it might implement.

impl DomObject for ShadowRoot

fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.

impl DomObjectWrap<DomTypeHolder> for ShadowRoot

const WRAP: unsafe fn(SafeJSContext, &GlobalScope, Option<HandleObject<'_>>, Box<Self>, CanGc) -> Root<Dom<Self>> = {script_bindings::codegen::GenericBindings::ShadowRootBinding::Wrap::<dom::bindings::codegen::DomTypeHolder::DomTypeHolder> as for<'a, 'b> unsafe fn(script_bindings::script_runtime::JSContext, &'a dom::globalscope::GlobalScope, std::option::Option<js::rust::Handle<'b, *mut js::jsapi::JSObject>>, std::boxed::Box<dom::shadowroot::ShadowRoot>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::shadowroot::ShadowRoot>>}

Function pointer to the general wrap function type

impl HasParent for ShadowRoot

fn as_parent(&self) -> &DocumentFragment

This is used in a type assertion to ensure that the source and webidls agree as to what the parent type is

type Parent = DocumentFragment

impl IDLInterface for ShadowRoot

fn derives(class: &'static DOMClass) -> bool

Returns whether the given DOM class derives that interface.

impl MallocSizeOf for ShadowRoot

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.

impl MutDomObject for ShadowRoot

unsafe fn init_reflector(&self, obj: *mut JSObject)

Initializes the Reflector

impl PartialEq for ShadowRoot

fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ShadowRootMethods<DomTypeHolder> for ShadowRoot

fn Mode(&self) -> ShadowRootMode

https://dom.spec.whatwg.org/#dom-shadowroot-mode

fn DelegatesFocus(&self) -> bool

https://dom.spec.whatwg.org/#dom-delegates-focus

fn Clonable(&self) -> bool

https://dom.spec.whatwg.org/#dom-shadowroot-clonable

fn Serializable(&self) -> bool

https://dom.spec.whatwg.org/#dom-serializable

fn Host(&self) -> DomRoot<Element>

https://dom.spec.whatwg.org/#dom-shadowroot-host

fn GetHTML( &self, options: &GetHTMLOptions<DomTypeHolder>, can_gc: CanGc, ) -> DOMString

https://html.spec.whatwg.org/multipage/#dom-shadowroot-gethtml

fn GetInnerHTML( &self, can_gc: CanGc, ) -> Fallible<TrustedHTMLOrNullIsEmptyString<DomTypeHolder>>

https://html.spec.whatwg.org/multipage/#dom-shadowroot-innerhtml

fn SetInnerHTML( &self, value: TrustedHTMLOrNullIsEmptyString<DomTypeHolder>, can_gc: CanGc, ) -> ErrorResult

https://html.spec.whatwg.org/multipage/#dom-shadowroot-innerhtml

fn SlotAssignment(&self) -> SlotAssignmentMode

https://dom.spec.whatwg.org/#dom-shadowroot-slotassignment

fn SetHTMLUnsafe( &self, value: TrustedHTMLOrString<DomTypeHolder>, can_gc: CanGc, ) -> ErrorResult

https://html.spec.whatwg.org/multipage/#dom-shadowroot-sethtmlunsafe

fn AdoptedStyleSheets( &self, context: JSContext, can_gc: CanGc, retval: MutableHandleValue<'_>, )

https://drafts.csswg.org/cssom/#dom-documentorshadowroot-adoptedstylesheets

fn SetAdoptedStyleSheets( &self, context: JSContext, val: HandleValue<'_>, ) -> ErrorResult

https://drafts.csswg.org/cssom/#dom-documentorshadowroot-adoptedstylesheets

fn GetActiveElement(&self) -> Option<DomRoot<Element>>

fn ElementFromPoint( &self, x: Finite<f64>, y: Finite<f64>, ) -> Option<DomRoot<Element>>

fn ElementsFromPoint( &self, x: Finite<f64>, y: Finite<f64>, ) -> Vec<DomRoot<Element>>

fn StyleSheets(&self) -> DomRoot<StyleSheetList>

fn GetOnslotchange(&self) -> Option<Rc<EventHandlerNonNull<DomTypeHolder>>>

fn SetOnslotchange( &self, listener: Option<Rc<EventHandlerNonNull<DomTypeHolder>>>, )

impl ToJSValConvertible for ShadowRoot

unsafe fn to_jsval(&self, cx: *mut JSContext, rval: MutableHandleValue<'_>)

Convert self to a JSVal. JSAPI failure causes a panic.

impl Traceable for ShadowRoot

unsafe fn trace(&self, tracer: *mut JSTracer)

Trace self.

impl VirtualMethods for ShadowRoot

fn super_type(&self) -> Option<&dyn VirtualMethods>

Returns self as the superclass of the implementation for this trait, if any.

fn bind_to_tree(&self, context: &BindContext, can_gc: CanGc)

Called when a Node is appended to a tree, where ‘tree_connected’ indicates whether the tree is part of a Document.

fn unbind_from_tree(&self, context: &UnbindContext<'_>, can_gc: CanGc)

Called when a Node is removed from a tree, where ‘tree_connected’ indicates whether the tree is part of a Document. Implements removing steps: https://dom.spec.whatwg.org/#concept-node-remove-ext

fn attribute_mutated( &self, attr: &Attr, mutation: AttributeMutation<'_>, can_gc: CanGc, )

Called when attributes of a node are mutated. https://dom.spec.whatwg.org/#attribute-is-set https://dom.spec.whatwg.org/#attribute-is-removed

fn attribute_affects_presentational_hints(&self, attr: &Attr) -> bool

Returns true if given attribute attr affects style of the given element.

fn parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue

Returns the right AttrValue variant for the attribute with name name on this element.

fn post_connection_steps(&self)

Invoked during a DOM tree mutation after a node becomes connected, once all related DOM tree mutations have been applied. https://dom.spec.whatwg.org/#concept-node-post-connection-ext

fn children_changed(&self, mutation: &ChildrenMutation<'_>)

Called on the parent when its children are changed.

fn handle_event(&self, event: &Event, can_gc: CanGc)

Called during event dispatch after the bubbling phase completes.

fn adopting_steps(&self, old_doc: &Document, can_gc: CanGc)

https://dom.spec.whatwg.org/#concept-node-adopt-ext

fn cloning_steps( &self, copy: &Node, maybe_doc: Option<&Document>, clone_children: CloneChildrenFlag, can_gc: CanGc, )

https://dom.spec.whatwg.org/#concept-node-clone-ext

fn pop(&self)

Called on an element when it is popped off the stack of open elements of a parser.

impl DerivedFrom<DocumentFragment> for ShadowRoot

impl DerivedFrom<EventTarget> for ShadowRoot

impl DerivedFrom<Node> for ShadowRoot

impl Eq for ShadowRoot