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Add track_list member to AudioTrack, VideoTrack, TextTrack structs

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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
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15
components/script/dom/videotrack.rs
View file

@ -2,6 +2,7 @@
* 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::VideoTrackBinding::{self, VideoTrackMethods};
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
@ -19,7 +20,7 @@ pub struct VideoTrack {
label: DOMString,
language: DOMString,
selected: Cell<bool>,
track_list: Option<Dom<VideoTrackList>>,
track_list: DomRefCell<Option<Dom<VideoTrackList>>>,
}
impl VideoTrack {
@ -37,7 +38,7 @@ impl VideoTrack {
label: label.into(),
language: language.into(),
selected: Cell::new(false),
track_list: track_list.map(|t| Dom::from_ref(t)),
track_list: DomRefCell::new(track_list.map(|t| Dom::from_ref(t))),
}
}
@ -73,6 +74,14 @@ impl VideoTrack {
pub fn set_selected(&self, value: bool) {
self.selected.set(value);
}
pub fn add_track_list(&self, track_list: &VideoTrackList) {
*self.track_list.borrow_mut() = Some(Dom::from_ref(track_list));
}
pub fn remove_track_list(&self) {
*self.track_list.borrow_mut() = None;
}
}
impl VideoTrackMethods for VideoTrack {
@ -103,7 +112,7 @@ impl VideoTrackMethods for VideoTrack {
// https://html.spec.whatwg.org/multipage/#dom-videotrack-selected
fn SetSelected(&self, value: bool) {
if let Some(list) = self.track_list.as_ref() {
if let Some(list) = self.track_list.borrow().as_ref() {
if let Some(idx) = list.find(self) {
list.set_selected(idx, value);
}