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/* This Source Code Form is subject to the terms of the Mozilla Public
* 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 dom_struct::dom_struct;
use js::rust::HandleObject;
use servo_media::audio::node::AudioNodeInit;
use servo_media::streams::MediaStreamType;
use servo_media::ServoMedia;
use crate::dom::audiocontext::AudioContext;
use crate::dom::audionode::AudioNode;
use crate::dom::bindings::codegen::Bindings::AudioNodeBinding::{
AudioNodeOptions, ChannelCountMode, ChannelInterpretation,
};
use crate::dom::bindings::codegen::Bindings::MediaStreamAudioDestinationNodeBinding::MediaStreamAudioDestinationNodeMethods;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, DomObject};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::mediastream::MediaStream;
use crate::dom::window::Window;
#[dom_struct]
pub struct MediaStreamAudioDestinationNode {
node: AudioNode,
stream: Dom<MediaStream>,
}
impl MediaStreamAudioDestinationNode {
#[allow(crown::unrooted_must_root)]
pub fn new_inherited(
context: &AudioContext,
options: &AudioNodeOptions,
) -> Fallible<MediaStreamAudioDestinationNode> {
let media = ServoMedia::get().unwrap();
let (socket, id) = media.create_stream_and_socket(MediaStreamType::Audio);
let stream = MediaStream::new_single(&context.global(), id, MediaStreamType::Audio);
let node_options = options.unwrap_or(
2,
ChannelCountMode::Explicit,
ChannelInterpretation::Speakers,
);
let node = AudioNode::new_inherited(
AudioNodeInit::MediaStreamDestinationNode(socket),
context.upcast(),
node_options,
1, // inputs
0, // outputs
)?;
Ok(MediaStreamAudioDestinationNode {
node,
stream: Dom::from_ref(&stream),
})
}
pub fn new(
window: &Window,
context: &AudioContext,
options: &AudioNodeOptions,
) -> Fallible<DomRoot<MediaStreamAudioDestinationNode>> {
Self::new_with_proto(window, None, context, options)
}
#[allow(crown::unrooted_must_root)]
fn new_with_proto(
window: &Window,
proto: Option<HandleObject>,
context: &AudioContext,
options: &AudioNodeOptions,
) -> Fallible<DomRoot<MediaStreamAudioDestinationNode>> {
let node = MediaStreamAudioDestinationNode::new_inherited(context, options)?;
Ok(reflect_dom_object_with_proto(Box::new(node), window, proto))
}
#[allow(non_snake_case)]
pub fn Constructor(
window: &Window,
proto: Option<HandleObject>,
context: &AudioContext,
options: &AudioNodeOptions,
) -> Fallible<DomRoot<MediaStreamAudioDestinationNode>> {
MediaStreamAudioDestinationNode::new_with_proto(window, proto, context, options)
}
}
impl MediaStreamAudioDestinationNodeMethods for MediaStreamAudioDestinationNode {
/// <https://webaudio.github.io/web-audio-api/#dom-mediastreamaudiodestinationnode-stream>
fn Stream(&self) -> DomRoot<MediaStream> {
DomRoot::from_ref(&self.stream)
}
}
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