script/dom/
trackevent.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6use js::rust::HandleObject;
7use stylo_atoms::Atom;
8
9use crate::dom::audio::audiotrack::AudioTrack;
10use crate::dom::bindings::codegen::Bindings::EventBinding::Event_Binding::EventMethods;
11use crate::dom::bindings::codegen::Bindings::TrackEventBinding;
12use crate::dom::bindings::codegen::Bindings::TrackEventBinding::TrackEventMethods;
13use crate::dom::bindings::codegen::UnionTypes::VideoTrackOrAudioTrackOrTextTrack;
14use crate::dom::bindings::error::Fallible;
15use crate::dom::bindings::inheritance::Castable;
16use crate::dom::bindings::reflector::reflect_dom_object_with_proto;
17use crate::dom::bindings::root::{Dom, DomRoot};
18use crate::dom::bindings::str::DOMString;
19use crate::dom::event::Event;
20use crate::dom::texttrack::TextTrack;
21use crate::dom::videotrack::VideoTrack;
22use crate::dom::window::Window;
23use crate::script_runtime::CanGc;
24
25#[cfg_attr(crown, crown::unrooted_must_root_lint::must_root)]
26#[derive(JSTraceable, MallocSizeOf)]
27enum MediaTrack {
28    Video(Dom<VideoTrack>),
29    Audio(Dom<AudioTrack>),
30    Text(Dom<TextTrack>),
31}
32
33#[dom_struct]
34pub(crate) struct TrackEvent {
35    event: Event,
36    track: Option<MediaTrack>,
37}
38
39impl TrackEvent {
40    #[allow(non_snake_case)]
41    #[cfg_attr(crown, allow(crown::unrooted_must_root))]
42    fn new_inherited(track: &Option<VideoTrackOrAudioTrackOrTextTrack>) -> TrackEvent {
43        let media_track = match track {
44            Some(VideoTrackOrAudioTrackOrTextTrack::VideoTrack(VideoTrack)) => {
45                Some(MediaTrack::Video(Dom::from_ref(VideoTrack)))
46            },
47            Some(VideoTrackOrAudioTrackOrTextTrack::AudioTrack(AudioTrack)) => {
48                Some(MediaTrack::Audio(Dom::from_ref(AudioTrack)))
49            },
50            Some(VideoTrackOrAudioTrackOrTextTrack::TextTrack(TextTrack)) => {
51                Some(MediaTrack::Text(Dom::from_ref(TextTrack)))
52            },
53            None => None,
54        };
55
56        TrackEvent {
57            event: Event::new_inherited(),
58            track: media_track,
59        }
60    }
61
62    pub(crate) fn new(
63        window: &Window,
64        type_: Atom,
65        bubbles: bool,
66        cancelable: bool,
67        track: &Option<VideoTrackOrAudioTrackOrTextTrack>,
68        can_gc: CanGc,
69    ) -> DomRoot<TrackEvent> {
70        Self::new_with_proto(window, None, type_, bubbles, cancelable, track, can_gc)
71    }
72
73    fn new_with_proto(
74        window: &Window,
75        proto: Option<HandleObject>,
76        type_: Atom,
77        bubbles: bool,
78        cancelable: bool,
79        track: &Option<VideoTrackOrAudioTrackOrTextTrack>,
80        can_gc: CanGc,
81    ) -> DomRoot<TrackEvent> {
82        let te = reflect_dom_object_with_proto(
83            Box::new(TrackEvent::new_inherited(track)),
84            window,
85            proto,
86            can_gc,
87        );
88        {
89            let event = te.upcast::<Event>();
90            event.init_event(type_, bubbles, cancelable);
91        }
92        te
93    }
94}
95
96impl TrackEventMethods<crate::DomTypeHolder> for TrackEvent {
97    // https://html.spec.whatwg.org/multipage/#trackevent
98    fn Constructor(
99        window: &Window,
100        proto: Option<HandleObject>,
101        can_gc: CanGc,
102        type_: DOMString,
103        init: &TrackEventBinding::TrackEventInit,
104    ) -> Fallible<DomRoot<TrackEvent>> {
105        Ok(TrackEvent::new_with_proto(
106            window,
107            proto,
108            Atom::from(type_),
109            init.parent.bubbles,
110            init.parent.cancelable,
111            &init.track,
112            can_gc,
113        ))
114    }
115
116    // https://html.spec.whatwg.org/multipage/#dom-trackevent-track
117    #[allow(non_snake_case)]
118    fn GetTrack(&self) -> Option<VideoTrackOrAudioTrackOrTextTrack> {
119        match &self.track {
120            Some(MediaTrack::Video(VideoTrack)) => Some(
121                VideoTrackOrAudioTrackOrTextTrack::VideoTrack(DomRoot::from_ref(VideoTrack)),
122            ),
123            Some(MediaTrack::Audio(AudioTrack)) => Some(
124                VideoTrackOrAudioTrackOrTextTrack::AudioTrack(DomRoot::from_ref(AudioTrack)),
125            ),
126            Some(MediaTrack::Text(TextTrack)) => Some(
127                VideoTrackOrAudioTrackOrTextTrack::TextTrack(DomRoot::from_ref(TextTrack)),
128            ),
129            None => None,
130        }
131    }
132
133    // https://dom.spec.whatwg.org/#dom-event-istrusted
134    fn IsTrusted(&self) -> bool {
135        self.event.IsTrusted()
136    }
137}
script/dom/trackevent.rs

script/dom/
trackevent.rs
