Struct HTMLLinkElement

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

    htmlelement: HTMLElement,
    rel_list: MutNullableDom<DOMTokenList>,
    relations: Cell<LinkRelations>,
    stylesheet: DomRefCell<Option<Arc<Stylesheet>>>,
    cssom_stylesheet: MutNullableDom<CSSStyleSheet>,
    parser_inserted: Cell<bool>,
    pending_loads: Cell<u32>,
    any_failed_load: Cell<bool>,
    request_generation_id: Cell<RequestGenerationId>,
    is_explicitly_enabled: Cell<bool>,
    previous_type_matched: Cell<bool>,
    previous_media_environment_matched: Cell<bool>,
    line_number: u64,
}

Fields

htmlelement: HTMLElement

rel_list: MutNullableDom<DOMTokenList>

The relations as specified by the “rel” attribute

relations: Cell<LinkRelations>

The link relations as they are used in practice.

The reason this is seperate from HTMLLinkElement::rel_list is that a literal list is a bit unwieldy and that there are corner cases to consider (Like rev="made" implying an author relationship that is not represented in rel_list)

stylesheet: DomRefCell<Option<Arc<Stylesheet>>>

cssom_stylesheet: MutNullableDom<CSSStyleSheet>

parser_inserted: Cell<bool>

https://html.spec.whatwg.org/multipage/#a-style-sheet-that-is-blocking-scripts

pending_loads: Cell<u32>

The number of loads that this link element has triggered (could be more than one because of imports) and have not yet finished.

any_failed_load: Cell<bool>

Whether any of the loads have failed.

request_generation_id: Cell<RequestGenerationId>

A monotonically increasing counter that keeps track of which stylesheet to apply.

is_explicitly_enabled: Cell<bool>

https://html.spec.whatwg.org/multipage/#explicitly-enabled

previous_type_matched: Cell<bool>

Whether the previous type matched with the destination

previous_media_environment_matched: Cell<bool>

Whether the previous media environment matched with the media query

line_number: u64

Line number this element was created on

Implementations

impl HTMLLinkElement

fn __assert_parent_type(&self)

impl HTMLLinkElement

fn new_inherited( local_name: LocalName, prefix: Option<Prefix>, document: &Document, creator: ElementCreator, ) -> HTMLLinkElement

pub(crate) fn new( local_name: LocalName, prefix: Option<Prefix>, document: &Document, proto: Option<HandleObject<'_>>, creator: ElementCreator, can_gc: CanGc, ) -> DomRoot<HTMLLinkElement>

pub(crate) fn get_request_generation_id(&self) -> RequestGenerationId

pub(crate) fn set_stylesheet(&self, s: Arc<Stylesheet>)

pub(crate) fn get_stylesheet(&self) -> Option<Arc<Stylesheet>>

pub(crate) fn get_cssom_stylesheet( &self, can_gc: CanGc, ) -> Option<DomRoot<CSSStyleSheet>>

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

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

fn clean_stylesheet_ownership(&self)

impl HTMLLinkElement

fn compute_destination_for_attribute(&self) -> Destination

fn processing_options(&self) -> LinkProcessingOptions

https://html.spec.whatwg.org/multipage/#create-link-options-from-element

fn default_fetch_and_process_the_linked_resource( &self, ) -> Option<RequestBuilder>

https://html.spec.whatwg.org/multipage/#default-fetch-and-process-the-linked-resource

This method does not implement Step 7 (fetching the request) and instead returns the RequestBuilder, as the fetch context that should be used depends on the link type.

fn linked_resource_fetch_setup(&self, request: &mut RequestBuilder) -> bool

https://html.spec.whatwg.org/multipage/#linked-resource-fetch-setup-steps

fn fetch_and_process_prefetch_link(&self, href: &str)

The fetch and process the linked resource algorithm for rel="prefetch"

fn handle_stylesheet_url(&self, href: &str)

https://html.spec.whatwg.org/multipage/#concept-link-obtain

fn handle_disabled_attribute_change(&self, disabled: bool)

https://html.spec.whatwg.org/multipage/#attr-link-disabled

fn handle_favicon_url(&self)

fn register_image_cache_callback( &self, id: PendingImageId, ) -> IpcSender<ImageCacheResponseMessage>

fn process_favicon_response(&self, image: Image)

Rasterizes a loaded favicon file if necessary and notifies the embedder about it.

fn handle_preload_url(&self)

https://html.spec.whatwg.org/multipage/#link-type-preload:fetch-and-process-the-linked-resource-2

fn preload(&self, options: LinkProcessingOptions)

https://html.spec.whatwg.org/multipage/#preload

fn type_matches_destination( mime_type: &str, destination: Option<Destination>, ) -> bool

https://html.spec.whatwg.org/multipage/#match-preload-type

fn fire_event_after_response( &self, response: Result<ResourceFetchTiming, NetworkError>, )

Trait Implementations

impl Castable for HTMLLinkElement

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 HTMLLinkElement

fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.

impl DomObjectWrap<DomTypeHolder> for HTMLLinkElement

const WRAP: unsafe fn(SafeJSContext, &GlobalScope, Option<HandleObject<'_>>, Box<Self>, CanGc) -> Root<Dom<Self>> = {script_bindings::codegen::GenericBindings::HTMLLinkElementBinding::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::html::htmllinkelement::HTMLLinkElement>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::html::htmllinkelement::HTMLLinkElement>>}

Function pointer to the general wrap function type

impl HTMLLinkElementMethods<DomTypeHolder> for HTMLLinkElement

fn Href(&self) -> USVString

fn SetHref(&self, value: USVString)

fn Rel(&self) -> DOMString

fn SetRel(&self, rel: DOMString, can_gc: CanGc)

fn As(&self) -> DOMString

fn SetAs(&self, value: DOMString)

fn Media(&self) -> DOMString

fn SetMedia(&self, value: DOMString)

fn Integrity(&self) -> DOMString

fn SetIntegrity(&self, value: DOMString)

fn Hreflang(&self) -> DOMString

fn SetHreflang(&self, value: DOMString)

fn Type(&self) -> DOMString

fn SetType(&self, value: DOMString)

fn Disabled(&self) -> bool

fn SetDisabled(&self, value: bool)

fn RelList(&self, can_gc: CanGc) -> DomRoot<DOMTokenList>

fn Charset(&self) -> DOMString

fn SetCharset(&self, value: DOMString)

fn Rev(&self) -> DOMString

fn SetRev(&self, value: DOMString)

fn Target(&self) -> DOMString

fn SetTarget(&self, value: DOMString)

fn GetCrossOrigin(&self) -> Option<DOMString>

fn SetCrossOrigin(&self, value: Option<DOMString>, can_gc: CanGc)

fn ReferrerPolicy(&self) -> DOMString

fn SetReferrerPolicy(&self, value: DOMString)

fn GetSheet(&self, can_gc: CanGc) -> Option<DomRoot<DOMStyleSheet>>

impl HasParent for HTMLLinkElement

fn as_parent(&self) -> &HTMLElement

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

type Parent = HTMLElement

impl IDLInterface for HTMLLinkElement

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

Returns whether the given DOM class derives that interface.

impl MallocSizeOf for HTMLLinkElement

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 HTMLLinkElement

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

Initializes the Reflector

impl PartialEq for HTMLLinkElement

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 StylesheetOwner for HTMLLinkElement

fn increment_pending_loads_count(&self)

Notes that a new load is pending to finish.

fn load_finished(&self, succeeded: bool) -> Option<bool>

Returns None if there are still pending loads, or whether any load has failed since the loads started.

fn parser_inserted(&self) -> bool

Returns whether this element was inserted by the parser (i.e., it should trigger a document-load-blocking load).

fn referrer_policy(&self) -> ReferrerPolicy

Which referrer policy should loads triggered by this owner follow

fn set_origin_clean(&self, origin_clean: bool)

Sets origin_clean flag.

impl ToJSValConvertible for HTMLLinkElement

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

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

impl Traceable for HTMLLinkElement

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

Trace self.

impl VirtualMethods for HTMLLinkElement

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

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

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

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

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_affects_presentational_hints(&self, attr: &Attr) -> bool

Returns true if given attribute attr affects style of the given 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<Element> for HTMLLinkElement

impl DerivedFrom<EventTarget> for HTMLLinkElement

impl DerivedFrom<HTMLElement> for HTMLLinkElement

impl DerivedFrom<Node> for HTMLLinkElement

impl Eq for HTMLLinkElement