servo/components/script/dom/htmlaudioelement.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::HTMLAudioElementBinding;
use dom::bindings::codegen::InheritTypes::HTMLAudioElementDerived;
use dom::bindings::js::Root;
use dom::document::Document;
use dom::element::ElementTypeId;
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::htmlelement::HTMLElementTypeId;
use dom::htmlmediaelement::{HTMLMediaElement, HTMLMediaElementTypeId};
use dom::node::{Node, NodeTypeId};
use util::str::DOMString;

#[dom_struct]
#[derive(HeapSizeOf)]
pub struct HTMLAudioElement {
    htmlmediaelement: HTMLMediaElement
}

impl HTMLAudioElementDerived for EventTarget {
    fn is_htmlaudioelement(&self) -> bool {
        *self.type_id() == EventTargetTypeId::Node(NodeTypeId::Element(
                                                   ElementTypeId::HTMLElement(
                                                   HTMLElementTypeId::HTMLMediaElement(
                                                   HTMLMediaElementTypeId::HTMLAudioElement))))
    }
}

impl HTMLAudioElement {
    fn new_inherited(localName: DOMString,
                     prefix: Option<DOMString>,
                     document: &Document) -> HTMLAudioElement {
        HTMLAudioElement {
            htmlmediaelement:
                HTMLMediaElement::new_inherited(HTMLMediaElementTypeId::HTMLAudioElement, localName, prefix, document)
        }
    }

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