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script: Create structures for TextTrack API

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Fill out the basics for the WebIDLs for the following:

  - TextTrack
  - TextTrackCue
  - TextTrackCueList
  - TextTrackList
This commit is contained in:
Dan Robertson 2018-12-08 04:00:38 +00:00
parent 92962de76c
commit 62a9bfa0c5
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GPG key ID: 45C4A652C47E42A5
12 changed files with 571 additions and 2 deletions
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37
components/script/dom/htmlmediaelement.rs
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@ -12,6 +12,7 @@ use crate::dom::bindings::codegen::Bindings::HTMLMediaElementBinding::HTMLMediaE
use crate::dom::bindings::codegen::Bindings::HTMLSourceElementBinding::HTMLSourceElementMethods;
use crate::dom::bindings::codegen::Bindings::MediaErrorBinding::MediaErrorConstants::*;
use crate::dom::bindings::codegen::Bindings::MediaErrorBinding::MediaErrorMethods;
use crate::dom::bindings::codegen::Bindings::TextTrackBinding::{TextTrackKind, TextTrackMode};
use crate::dom::bindings::codegen::InheritTypes::{ElementTypeId, HTMLElementTypeId};
use crate::dom::bindings::codegen::InheritTypes::{HTMLMediaElementTypeId, NodeTypeId};
use crate::dom::bindings::error::{Error, ErrorResult};
@ -33,6 +34,8 @@ use crate::dom::mediaerror::MediaError;
use crate::dom::node::{document_from_node, window_from_node, Node, NodeDamage, UnbindContext};
use crate::dom::performanceresourcetiming::InitiatorType;
use crate::dom::promise::Promise;
use crate::dom::texttrack::TextTrack;
use crate::dom::texttracklist::TextTrackList;
use crate::dom::timeranges::{TimeRanges, TimeRangesContainer};
use crate::dom::virtualmethods::VirtualMethods;
use crate::fetch::FetchCanceller;
@ -191,6 +194,8 @@ pub struct HTMLMediaElement {
/// https://html.spec.whatwg.org/multipage/#dom-media-played
#[ignore_malloc_size_of = "Rc"]
played: Rc<DomRefCell<TimeRangesContainer>>,
/// https://html.spec.whatwg.org/multipage/#dom-media-texttracks
text_tracks_list: MutNullableDom<TextTrackList>,
}
/// <https://html.spec.whatwg.org/multipage/#dom-media-networkstate>
@ -243,6 +248,7 @@ impl HTMLMediaElement {
seeking: Cell::new(false),
resource_url: DomRefCell::new(None),
played: Rc::new(DomRefCell::new(TimeRangesContainer::new())),
text_tracks_list: Default::default(),
}
}
@ -1376,6 +1382,37 @@ impl HTMLMediaElementMethods for HTMLMediaElement {
fn Played(&self) -> DomRoot<TimeRanges> {
TimeRanges::new(self.global().as_window(), self.played.clone())
}
// https://html.spec.whatwg.org/multipage/#dom-media-texttracks
fn TextTracks(&self) -> DomRoot<TextTrackList> {
let window = window_from_node(self);
self.text_tracks_list
.or_init(|| TextTrackList::new(&window, &[]))
}
// https://html.spec.whatwg.org/multipage/#dom-media-addtexttrack
fn AddTextTrack(
&self,
kind: TextTrackKind,
label: DOMString,
language: DOMString,
) -> DomRoot<TextTrack> {
let window = window_from_node(self);
// Step 1 & 2
// FIXME(#22314, dlrobertson) set the ready state to Loaded
let track = TextTrack::new(
&window,
"".into(),
kind,
label,
language,
TextTrackMode::Hidden,
);
// Step 3 & 4
self.TextTracks().add(&track);
// Step 5
DomRoot::from_ref(&track)
}
}
impl VirtualMethods for HTMLMediaElement {