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/* 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 https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::TextTrackListBinding::{self, TextTrackListMethods};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::bindings::str::DOMString;
use crate::dom::eventtarget::EventTarget;
use crate::dom::texttrack::TextTrack;
use crate::dom::window::Window;
use dom_struct::dom_struct;
#[dom_struct]
pub struct TextTrackList {
eventtarget: EventTarget,
dom_tracks: DomRefCell<Vec<Dom<TextTrack>>>,
}
impl TextTrackList {
pub fn new_inherited(tracks: &[&TextTrack]) -> TextTrackList {
TextTrackList {
eventtarget: EventTarget::new_inherited(),
dom_tracks: DomRefCell::new(tracks.iter().map(|g| Dom::from_ref(&**g)).collect()),
}
}
pub fn new(window: &Window, tracks: &[&TextTrack]) -> DomRoot<TextTrackList> {
reflect_dom_object(
Box::new(TextTrackList::new_inherited(tracks)),
window,
TextTrackListBinding::Wrap,
)
}
pub fn item(&self, idx: usize) -> Option<DomRoot<TextTrack>> {
self.dom_tracks
.borrow()
.get(idx as usize)
.map(|t| DomRoot::from_ref(&**t))
}
pub fn find(&self, track: &TextTrack) -> Option<usize> {
self.dom_tracks
.borrow()
.iter()
.enumerate()
.filter(|(_, t)| **t == track)
.next()
.map(|(i, _)| i)
}
pub fn add(&self, track: &TextTrack) {
// Only add a track if it does not exist in the list
if self.find(track).is_none() {
self.dom_tracks.borrow_mut().push(Dom::from_ref(track));
};
self.upcast::<EventTarget>().fire_event(atom!("addtrack"));
}
// FIXME(#22314, dlrobertson) allow TextTracks to be
// removed from the TextTrackList.
#[allow(dead_code)]
pub fn remove(&self, idx: usize) {
self.dom_tracks.borrow_mut().remove(idx);
self.upcast::<EventTarget>()
.fire_event(atom!("removetrack"));
}
}
impl TextTrackListMethods for TextTrackList {
// https://html.spec.whatwg.org/multipage/#dom-texttracklist-length
fn Length(&self) -> u32 {
self.dom_tracks.borrow().len() as u32
}
// https://html.spec.whatwg.org/multipage/#dom-texttracklist-item
fn IndexedGetter(&self, idx: u32) -> Option<DomRoot<TextTrack>> {
self.item(idx as usize)
}
// https://html.spec.whatwg.org/multipage/#dom-texttracklist-gettrackbyid
fn GetTrackById(&self, id: DOMString) -> Option<DomRoot<TextTrack>> {
let id_str = String::from(id.clone());
self.dom_tracks
.borrow()
.iter()
.filter(|track| track.id() == &id_str)
.next()
.map(|t| DomRoot::from_ref(&**t))
}
// https://html.spec.whatwg.org/multipage/#handler-texttracklist-onchange
event_handler!(onchange, GetOnchange, SetOnchange);
// https://html.spec.whatwg.org/multipage/#handler-texttracklist-onaddtrack
event_handler!(onaddtrack, GetOnaddtrack, SetOnaddtrack);
// https://html.spec.whatwg.org/multipage/#handler-texttracklist-onremovetrack
event_handler!(onremovetrack, GetOnremovetrack, SetOnremovetrack);
}
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