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Add AudioListener DOM interface

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This commit is contained in:
Manish Goregaokar 2018-08-23 14:33:29 -07:00
parent 4b48cfa3ec
commit 9228ca3a02
5 changed files with 230 additions and 1 deletions
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16
components/script/dom/baseaudiocontext.rs
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@ -5,6 +5,7 @@
use dom::audiobuffer::AudioBuffer;
use dom::audiobuffersourcenode::AudioBufferSourceNode;
use dom::audiodestinationnode::AudioDestinationNode;
use dom::audiolistener::AudioListener;
use dom::audionode::MAX_CHANNEL_COUNT;
use dom::bindings::callback::ExceptionHandling;
use dom::bindings::cell::DomRefCell;
@ -66,6 +67,7 @@ pub struct BaseAudioContext {
audio_context_impl: Rc<AudioContext<Backend>>,
/// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-destination
destination: MutNullableDom<AudioDestinationNode>,
listener: MutNullableDom<AudioListener>,
/// Resume promises which are soon to be fulfilled by a queued task.
#[ignore_malloc_size_of = "promises are hard"]
in_flight_resume_promises_queue: DomRefCell<VecDeque<(Box<[Rc<Promise>]>, ErrorResult)>>,
@ -101,6 +103,7 @@ impl BaseAudioContext {
.create_audio_context(options.into()),
),
destination: Default::default(),
listener: Default::default(),
in_flight_resume_promises_queue: Default::default(),
pending_resume_promises: Default::default(),
decode_resolvers: Default::default(),
@ -125,6 +128,10 @@ impl BaseAudioContext {
self.audio_context_impl.dest_node()
}
pub fn listener(&self) -> NodeId {
self.audio_context_impl.listener()
}
// https://webaudio.github.io/web-audio-api/#allowed-to-start
pub fn is_allowed_to_start(&self) -> bool {
self.state.get() == AudioContextState::Suspended
@ -297,6 +304,15 @@ impl BaseAudioContextMethods for BaseAudioContext {
})
}
/// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-listener
fn Listener(&self) -> DomRoot<AudioListener> {
let global = self.global();
let window = global.as_window();
self.listener.or_init(|| {
AudioListener::new(&window, self)
})
}
/// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-onstatechange
event_handler!(statechange, GetOnstatechange, SetOnstatechange);