Struct HTMLImageElement

#[repr(C)]
pub(crate) struct HTMLImageElement {
    htmlelement: HTMLElement,
    image_request: Cell<ImageRequestPhase>,
    current_request: DomRefCell<ImageRequest>,
    pending_request: DomRefCell<ImageRequest>,
    form_owner: MutNullableDom<HTMLFormElement>,
    generation: Cell<u32>,
    source_set: DomRefCell<SourceSet>,
    last_selected_source: DomRefCell<Option<USVString>>,
    image_decode_promises: DomRefCell<Vec<Rc<Promise>>>,
}

Fields

htmlelement: HTMLElement

image_request: Cell<ImageRequestPhase>

current_request: DomRefCell<ImageRequest>

pending_request: DomRefCell<ImageRequest>

form_owner: MutNullableDom<HTMLFormElement>

generation: Cell<u32>

source_set: DomRefCell<SourceSet>

last_selected_source: DomRefCell<Option<USVString>>

image_decode_promises: DomRefCell<Vec<Rc<Promise>>>

Implementations

impl HTMLImageElement

fn __assert_parent_type(&self)

impl HTMLImageElement

pub(crate) fn get_url(&self) -> Option<ServoUrl>

pub(crate) fn is_usable(&self) -> Fallible<bool>

pub(crate) fn image_data(&self) -> Option<Arc<Image>>

impl HTMLImageElement

fn fetch_image(&self, img_url: &ServoUrl, can_gc: CanGc)

Update the current image with a valid URL.

fn register_image_cache_callback( &self, id: PendingImageId, change_type: ChangeType, )

fn fetch_request(&self, img_url: &ServoUrl, id: PendingImageId)

fn handle_loaded_image(&self, image: Arc<Image>, url: ServoUrl, can_gc: CanGc)

fn process_image_response(&self, image: ImageResponse, can_gc: CanGc)

Step 24 of https://html.spec.whatwg.org/multipage/#update-the-image-data

fn process_image_response_for_environment_change( &self, image: ImageResponse, src: USVString, generation: u32, selected_pixel_density: f64, can_gc: CanGc, )

fn abort_request(&self, state: State, request: ImageRequestPhase, can_gc: CanGc)

https://html.spec.whatwg.org/multipage/#abort-the-image-request

fn update_source_set(&self)

https://html.spec.whatwg.org/multipage/#update-the-source-set

fn evaluate_source_size_list( &self, source_size_list: &mut SourceSizeList, _width: Option<Length>, ) -> Au

fn matches_environment(&self, media_query: String) -> bool

https://html.spec.whatwg.org/multipage/#matches-the-environment

fn normalise_source_densities( &self, source_set: &mut SourceSet, width: Option<Length>, )

https://html.spec.whatwg.org/multipage/#normalise-the-source-densities

fn select_image_source(&self) -> Option<(USVString, f64)>

https://html.spec.whatwg.org/multipage/#select-an-image-source

fn init_image_request( &self, request: &mut RefMut<'_, ImageRequest>, url: &ServoUrl, src: &USVString, can_gc: CanGc, )

fn prepare_image_request( &self, url: &ServoUrl, src: &USVString, selected_pixel_density: f64, can_gc: CanGc, )

Step 13-17 of html.spec.whatwg.org/multipage/#update-the-image-data

fn update_the_image_data_sync_steps(&self, can_gc: CanGc)

Step 8-12 of html.spec.whatwg.org/multipage/#update-the-image-data

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

https://html.spec.whatwg.org/multipage/#update-the-image-data

pub(crate) fn react_to_environment_changes(&self)

https://html.spec.whatwg.org/multipage/#img-environment-changes

fn react_to_environment_changes_sync_steps( &self, generation: u32, can_gc: CanGc, )

Step 2-12 of https://html.spec.whatwg.org/multipage/#img-environment-changes

fn react_to_decode_image_sync_steps(&self, promise: Rc<Promise>, can_gc: CanGc)

fn resolve_image_decode_promises(&self, can_gc: CanGc)

fn reject_image_decode_promises(&self, can_gc: CanGc)

fn finish_reacting_to_environment_change( &self, src: USVString, generation: u32, selected_pixel_density: f64, )

Step 15 for https://html.spec.whatwg.org/multipage/#img-environment-changes

fn uses_srcset_or_picture(elem: &Element) -> bool

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

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

pub(crate) fn areas(&self) -> Option<Vec<DomRoot<HTMLAreaElement>>>

pub(crate) fn same_origin(&self, origin: &MutableOrigin) -> bool

fn generation_id(&self) -> u32

Trait Implementations

impl Castable for HTMLImageElement

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 HTMLImageElement

fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.

impl DomObjectWrap<DomTypeHolder> for HTMLImageElement

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

Function pointer to the general wrap function type

impl FormControl for HTMLImageElement

fn form_owner(&self) -> Option<DomRoot<HTMLFormElement>>

fn set_form_owner(&self, form: Option<&HTMLFormElement>)

fn to_element(&self) -> &Element

fn is_listed(&self) -> bool

fn set_form_owner_from_parser(&self, form: &HTMLFormElement, can_gc: CanGc)

fn reset_form_owner(&self, can_gc: CanGc)

fn form_attribute_mutated(&self, mutation: AttributeMutation<'_>, can_gc: CanGc)

fn register_if_necessary(&self)

fn unregister_if_necessary(&self)

fn bind_form_control_to_tree(&self, can_gc: CanGc)

fn unbind_form_control_from_tree(&self, can_gc: CanGc)

fn get_form_attribute<InputFn, OwnerFn>( &self, attr: &LocalName, input: InputFn, owner: OwnerFn, ) -> DOMString

where InputFn: Fn(&Self) -> DOMString, OwnerFn: Fn(&HTMLFormElement) -> DOMString, Self: Sized,

fn get_form_boolean_attribute<InputFn, OwnerFn>( &self, attr: &LocalName, input: InputFn, owner: OwnerFn, ) -> bool

where InputFn: Fn(&Self) -> bool, OwnerFn: Fn(&HTMLFormElement) -> bool, Self: Sized,

impl HTMLImageElementMethods<DomTypeHolder> for HTMLImageElement

fn ReferrerPolicy(&self) -> DOMString

https://html.spec.whatwg.org/multipage/#dom-img-referrerpolicy

fn Decode(&self, can_gc: CanGc) -> Rc<Promise>

https://html.spec.whatwg.org/multipage/#dom-img-decode

fn Image( window: &Window, proto: Option<HandleObject<'_>>, can_gc: CanGc, width: Option<u32>, height: Option<u32>, ) -> Fallible<DomRoot<HTMLImageElement>>

fn Alt(&self) -> DOMString

fn SetAlt(&self, value: DOMString)

fn Src(&self) -> USVString

fn SetSrc(&self, value: USVString)

fn Srcset(&self) -> USVString

fn SetSrcset(&self, value: USVString)

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

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

fn UseMap(&self) -> DOMString

fn SetUseMap(&self, value: DOMString)

fn IsMap(&self) -> bool

fn SetIsMap(&self, value: bool)

fn Width(&self, can_gc: CanGc) -> u32

fn SetWidth(&self, value: u32, can_gc: CanGc)

fn Height(&self, can_gc: CanGc) -> u32

fn SetHeight(&self, value: u32, can_gc: CanGc)

fn NaturalWidth(&self) -> u32

fn NaturalHeight(&self) -> u32

fn Complete(&self) -> bool

fn CurrentSrc(&self) -> USVString

fn SetReferrerPolicy(&self, value: DOMString, can_gc: CanGc)

fn Name(&self) -> DOMString

fn SetName(&self, value: DOMString)

fn Align(&self) -> DOMString

fn SetAlign(&self, value: DOMString)

fn Hspace(&self) -> u32

fn SetHspace(&self, value: u32)

fn Vspace(&self) -> u32

fn SetVspace(&self, value: u32)

fn LongDesc(&self) -> DOMString

fn SetLongDesc(&self, value: DOMString)

fn Border(&self) -> DOMString

fn SetBorder(&self, value: DOMString)

impl HasParent for HTMLImageElement

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 HTMLImageElement

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

Returns whether the given DOM class derives that interface.

impl MallocSizeOf for HTMLImageElement

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 HTMLImageElement

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

Initializes the Reflector

impl PartialEq for HTMLImageElement

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 ToJSValConvertible for HTMLImageElement

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

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

impl Traceable for HTMLImageElement

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

Trace self.

impl VirtualMethods for HTMLImageElement

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

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

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

https://dom.spec.whatwg.org/#concept-node-adopt-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 parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue

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

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

Called during event dispatch after the bubbling phase completes.

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 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 HTMLImageElement

impl DerivedFrom<EventTarget> for HTMLImageElement

impl DerivedFrom<HTMLElement> for HTMLImageElement

impl DerivedFrom<Node> for HTMLImageElement

impl Eq for HTMLImageElement