servo/components/script/dom/rtcpeerconnection.rs
2019-01-29 11:36:27 -08:00

119 lines
3.6 KiB
Rust

/* 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 crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::RTCPeerConnectionBinding;
use crate::dom::bindings::codegen::Bindings::RTCPeerConnectionBinding::RTCConfiguration;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::refcounted::Trusted;
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::root::DomRoot;
use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::window::Window;
use crate::task::TaskCanceller;
use crate::task_source::networking::NetworkingTaskSource;
use crate::task_source::TaskSource;
use dom_struct::dom_struct;
use servo_media::webrtc::MediaStream as BackendMediaStream;
use servo_media::webrtc::{IceCandidate, WebRtcController, WebRtcSignaller};
use servo_media::ServoMedia;
use std::cell::Cell;
#[dom_struct]
pub struct RTCPeerConnection {
eventtarget: EventTarget,
#[ignore_malloc_size_of = "defined in servo-media"]
controller: DomRefCell<Option<WebRtcController>>,
closed: Cell<bool>,
}
struct RTCSignaller {
trusted: Trusted<RTCPeerConnection>,
task_source: NetworkingTaskSource,
canceller: TaskCanceller,
}
impl WebRtcSignaller for RTCSignaller {
fn on_ice_candidate(&self, _: &WebRtcController, candidate: IceCandidate) {
let this = self.trusted.clone();
let _ = self.task_source.queue_with_canceller(
task!(on_ice_candidate: move || {
let this = this.root();
this.on_ice_candidate(candidate);
}),
&self.canceller,
);
}
fn on_negotiation_needed(&self, _: &WebRtcController) {
let this = self.trusted.clone();
let _ = self.task_source.queue_with_canceller(
task!(on_negotiation_needed: move || {
let this = this.root();
this.on_negotiation_needed();
}),
&self.canceller,
);
}
fn on_add_stream(&self, _: Box<BackendMediaStream>) {}
fn close(&self) {
// do nothing
}
}
impl RTCPeerConnection {
pub fn new_inherited() -> RTCPeerConnection {
RTCPeerConnection {
eventtarget: EventTarget::new_inherited(),
controller: DomRefCell::new(None),
closed: Cell::new(false),
}
}
pub fn new(global: &GlobalScope) -> DomRoot<RTCPeerConnection> {
let this = reflect_dom_object(
Box::new(RTCPeerConnection::new_inherited()),
global,
RTCPeerConnectionBinding::Wrap,
);
let signaller = this.make_signaller();
*this.controller.borrow_mut() = Some(ServoMedia::get().unwrap().create_webrtc(signaller));
this
}
pub fn Constructor(
window: &Window,
_config: &RTCConfiguration,
) -> Fallible<DomRoot<RTCPeerConnection>> {
Ok(RTCPeerConnection::new(&window.global()))
}
fn make_signaller(&self) -> Box<WebRtcSignaller> {
let trusted = Trusted::new(self);
let (task_source, canceller) = self
.global()
.as_window()
.task_manager()
.networking_task_source_with_canceller();
Box::new(RTCSignaller {
trusted,
task_source,
canceller,
})
}
fn on_ice_candidate(&self, _candidate: IceCandidate) {
// todo
}
fn on_negotiation_needed(&self) {
// todo
}
}