servo/components/script/dom/htmldialogelement.rs

/* 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 http://mozilla.org/MPL/2.0/. */

use dom::bindings::codegen::Bindings::HTMLDialogElementBinding;
use dom::bindings::codegen::Bindings::HTMLDialogElementBinding::HTMLDialogElementMethods;
use dom::bindings::codegen::InheritTypes::HTMLDialogElementDerived;
use dom::bindings::cell::DOMRefCell;
use dom::bindings::js::Root;
use dom::document::Document;
use dom::element::ElementTypeId;
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeTypeId};

use util::str::DOMString;

use std::borrow::ToOwned;

#[dom_struct]
#[derive(HeapSizeOf)]
pub struct HTMLDialogElement {
    htmlelement: HTMLElement,
    return_value: DOMRefCell<DOMString>,
}

impl HTMLDialogElementDerived for EventTarget {
    fn is_htmldialogelement(&self) -> bool {
        *self.type_id() ==
            EventTargetTypeId::Node(
                NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLDialogElement)))
    }
}

impl HTMLDialogElement {
    fn new_inherited(localName: DOMString,
                     prefix: Option<DOMString>,
                     document: &Document) -> HTMLDialogElement {
        HTMLDialogElement {
            htmlelement:
                HTMLElement::new_inherited(HTMLElementTypeId::HTMLDialogElement, localName, prefix, document),
            return_value: DOMRefCell::new("".to_owned()),
        }
    }

    #[allow(unrooted_must_root)]
    pub fn new(localName: DOMString,
               prefix: Option<DOMString>,
               document: &Document) -> Root<HTMLDialogElement> {
        let element = HTMLDialogElement::new_inherited(localName, prefix, document);
        Node::reflect_node(box element, document, HTMLDialogElementBinding::Wrap)
    }
}

impl<'a> HTMLDialogElementMethods for &'a HTMLDialogElement {
    // https://html.spec.whatwg.org/multipage/#dom-dialog-open
    make_bool_getter!(Open);

    // https://html.spec.whatwg.org/multipage/#dom-dialog-open
    make_bool_setter!(SetOpen, "open");

    // https://html.spec.whatwg.org/multipage/#dom-dialog-returnvalue
    fn ReturnValue(self) -> DOMString {
        let return_value = self.return_value.borrow();
        return_value.clone()
    }

    // https://html.spec.whatwg.org/multipage/#dom-dialog-returnvalue
    fn SetReturnValue(self, return_value: DOMString) {
        *self.return_value.borrow_mut() = return_value;
    }
}