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Implement the form owner concept

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Mukilan Thiyagarajan 2017-01-28 17:20:01 +03:00 • committed by Anthony Ramine
parent f90e19f705
commit 38a61712e4
25 changed files with 1004 additions and 165 deletions
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23
components/script/dom/htmlimageelement.rs
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@ -15,7 +15,7 @@ use dom::bindings::codegen::Bindings::MouseEventBinding::MouseEventMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::error::Fallible;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{LayoutJS, Root};
use dom::bindings::js::{LayoutJS, MutNullableJS, Root};
use dom::bindings::refcounted::Trusted;
use dom::bindings::reflector::DomObject;
use dom::bindings::str::DOMString;
@ -26,6 +26,7 @@ use dom::event::Event;
use dom::eventtarget::EventTarget;
use dom::htmlareaelement::HTMLAreaElement;
use dom::htmlelement::HTMLElement;
use dom::htmlformelement::{FormControl, HTMLFormElement};
use dom::htmlmapelement::HTMLMapElement;
use dom::mouseevent::MouseEvent;
use dom::node::{Node, NodeDamage, document_from_node, window_from_node};
@ -78,6 +79,7 @@ pub struct HTMLImageElement {
htmlelement: HTMLElement,
current_request: DOMRefCell<ImageRequest>,
pending_request: DOMRefCell<ImageRequest>,
form_owner: MutNullableJS<HTMLFormElement>,
generation: Cell<u32>,
}
@ -384,6 +386,7 @@ impl HTMLImageElement {
metadata: None,
blocker: None,
}),
form_owner: Default::default(),
generation: Default::default(),
}
}
@ -689,6 +692,24 @@ impl VirtualMethods for HTMLImageElement {
}
}
impl FormControl for HTMLImageElement {
fn form_owner(&self) -> Option<Root<HTMLFormElement>> {
self.form_owner.get()
}
fn set_form_owner(&self, form: Option<&HTMLFormElement>) {
self.form_owner.set(form);
}
fn to_element<'a>(&'a self) -> &'a Element {
self.upcast::<Element>()
}
fn is_listed(&self) -> bool {
false
}
}
fn image_dimension_setter(element: &Element, attr: LocalName, value: u32) {
// This setter is a bit weird: the IDL type is unsigned long, but it's parsed as
// a dimension for rendering.