Add track_list member to AudioTrack, VideoTrack, TextTrack structs

Add member to the track structs pointing at their associated tracklist
and update it when the track is added or removed from a tracklist.
This commit is contained in:
Kunal Mohan 2019-12-22 21:00:10 +05:30
parent 43a5f65940
commit 9b59b9602c
No known key found for this signature in database
GPG key ID: 2B475A4524237BAC
8 changed files with 58 additions and 8 deletions

View file

@ -2,16 +2,18 @@
* 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::TextTrackBinding::{
self, TextTrackKind, TextTrackMethods, TextTrackMode,
};
use crate::dom::bindings::error::{Error, ErrorResult};
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
use crate::dom::bindings::str::DOMString;
use crate::dom::eventtarget::EventTarget;
use crate::dom::texttrackcue::TextTrackCue;
use crate::dom::texttrackcuelist::TextTrackCueList;
use crate::dom::texttracklist::TextTrackList;
use crate::dom::window::Window;
use dom_struct::dom_struct;
use std::cell::Cell;
@ -25,6 +27,7 @@ pub struct TextTrack {
id: String,
mode: Cell<TextTrackMode>,
cue_list: MutNullableDom<TextTrackCueList>,
track_list: DomRefCell<Option<Dom<TextTrackList>>>,
}
impl TextTrack {
@ -34,6 +37,7 @@ impl TextTrack {
label: DOMString,
language: DOMString,
mode: TextTrackMode,
track_list: Option<&TextTrackList>,
) -> TextTrack {
TextTrack {
eventtarget: EventTarget::new_inherited(),
@ -43,6 +47,7 @@ impl TextTrack {
id: id.into(),
mode: Cell::new(mode),
cue_list: Default::default(),
track_list: DomRefCell::new(track_list.map(|t| Dom::from_ref(t))),
}
}
@ -53,9 +58,12 @@ impl TextTrack {
label: DOMString,
language: DOMString,
mode: TextTrackMode,
track_list: Option<&TextTrackList>,
) -> DomRoot<TextTrack> {
reflect_dom_object(
Box::new(TextTrack::new_inherited(id, kind, label, language, mode)),
Box::new(TextTrack::new_inherited(
id, kind, label, language, mode, track_list,
)),
window,
TextTrackBinding::Wrap,
)
@ -69,6 +77,14 @@ impl TextTrack {
pub fn id(&self) -> &str {
&self.id
}
pub fn add_track_list(&self, track_list: &TextTrackList) {
*self.track_list.borrow_mut() = Some(Dom::from_ref(track_list));
}
pub fn remove_track_list(&self) {
*self.track_list.borrow_mut() = None;
}
}
impl TextTrackMethods for TextTrack {