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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 std::sync::mpsc;
use dom_struct::dom_struct;
use js::rust::HandleObject;
use servo_media::audio::media_element_source_node::MediaElementSourceNodeMessage;
use servo_media::audio::node::{AudioNodeInit, AudioNodeMessage};
use crate::dom::audiocontext::AudioContext;
use crate::dom::audionode::AudioNode;
use crate::dom::bindings::codegen::Bindings::MediaElementAudioSourceNodeBinding::{
MediaElementAudioSourceNodeMethods, MediaElementAudioSourceOptions,
};
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::reflector::reflect_dom_object_with_proto;
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::htmlmediaelement::HTMLMediaElement;
use crate::dom::window::Window;
use crate::script_runtime::CanGc;
#[dom_struct]
pub struct MediaElementAudioSourceNode {
node: AudioNode,
media_element: Dom<HTMLMediaElement>,
}
impl MediaElementAudioSourceNode {
#[allow(crown::unrooted_must_root)]
fn new_inherited(
context: &AudioContext,
media_element: &HTMLMediaElement,
can_gc: CanGc,
) -> Fallible<MediaElementAudioSourceNode> {
let node = AudioNode::new_inherited(
AudioNodeInit::MediaElementSourceNode,
&context.base(),
Default::default(),
0,
1,
)?;
let (sender, receiver) = mpsc::channel();
node.message(AudioNodeMessage::MediaElementSourceNode(
MediaElementSourceNodeMessage::GetAudioRenderer(sender),
));
let audio_renderer = receiver.recv().unwrap();
media_element.set_audio_renderer(audio_renderer, can_gc);
let media_element = Dom::from_ref(media_element);
Ok(MediaElementAudioSourceNode {
node,
media_element,
})
}
pub fn new(
window: &Window,
context: &AudioContext,
media_element: &HTMLMediaElement,
can_gc: CanGc,
) -> Fallible<DomRoot<MediaElementAudioSourceNode>> {
Self::new_with_proto(window, None, context, media_element, can_gc)
}
#[allow(crown::unrooted_must_root)]
fn new_with_proto(
window: &Window,
proto: Option<HandleObject>,
context: &AudioContext,
media_element: &HTMLMediaElement,
can_gc: CanGc,
) -> Fallible<DomRoot<MediaElementAudioSourceNode>> {
let node = MediaElementAudioSourceNode::new_inherited(context, media_element, can_gc)?;
Ok(reflect_dom_object_with_proto(
Box::new(node),
window,
proto,
can_gc,
))
}
}
impl MediaElementAudioSourceNodeMethods for MediaElementAudioSourceNode {
/// <https://webaudio.github.io/web-audio-api/#dom-mediaelementaudiosourcenode-mediaelementaudiosourcenode>
fn Constructor(
window: &Window,
proto: Option<HandleObject>,
can_gc: CanGc,
context: &AudioContext,
options: &MediaElementAudioSourceOptions,
) -> Fallible<DomRoot<MediaElementAudioSourceNode>> {
MediaElementAudioSourceNode::new_with_proto(
window,
proto,
context,
&options.mediaElement,
can_gc,
)
}
/// <https://webaudio.github.io/web-audio-api/#dom-mediaelementaudiosourcenode-mediaelement>
fn MediaElement(&self) -> DomRoot<HTMLMediaElement> {
DomRoot::from_ref(&*self.media_element)
}
}
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