Add RTCPeerConnection::SetLocalDescription

This commit is contained in:
Manish Goregaokar 2019-01-27 08:49:55 -08:00
parent cfc235bad2
commit 95cd67cb65
2 changed files with 59 additions and 4 deletions

View file

@ -15,16 +15,17 @@ use crate::dom::bindings::codegen::Bindings::RTCSessionDescriptionBinding::{
use crate::dom::bindings::error::Error;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::refcounted::Trusted;
use crate::dom::bindings::refcounted::{Trusted, TrustedPromise};
use crate::dom::bindings::reflector::reflect_dom_object;
use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::root::{DomRoot, MutNullableDom};
use crate::dom::event::{Event, EventBubbles, EventCancelable};
use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::promise::Promise;
use crate::dom::rtcicecandidate::RTCIceCandidate;
use crate::dom::rtcpeerconnectioniceevent::RTCPeerConnectionIceEvent;
use crate::dom::rtcsessiondescription::RTCSessionDescription;
use crate::dom::window::Window;
use crate::task::TaskCanceller;
use crate::task_source::networking::NetworkingTaskSource;
@ -53,6 +54,7 @@ pub struct RTCPeerConnection {
offer_promises: DomRefCell<Vec<Rc<Promise>>>,
#[ignore_malloc_size_of = "promises are hard"]
answer_promises: DomRefCell<Vec<Rc<Promise>>>,
local_description: MutNullableDom<RTCSessionDescription>,
}
struct RTCSignaller {
@ -100,6 +102,7 @@ impl RTCPeerConnection {
offer_answer_generation: Cell::new(0),
offer_promises: DomRefCell::new(vec![]),
answer_promises: DomRefCell::new(vec![]),
local_description: Default::default(),
}
}
@ -309,6 +312,43 @@ impl RTCPeerConnectionMethods for RTCPeerConnection {
self.create_answer();
p
}
/// https://www.w3.org/TR/webrtc/#dom-rtcpeerconnection-localdescription
fn GetLocalDescription(&self) -> Option<DomRoot<RTCSessionDescription>> {
self.local_description.get()
}
/// https://www.w3.org/TR/webrtc/#dom-rtcpeerconnection-setlocaldescription
fn SetLocalDescription(&self, desc: &RTCSessionDescriptionInit) -> Rc<Promise> {
let p = Promise::new(&self.global());
let this = Trusted::new(self);
let desc: SessionDescription = desc.into();
let trusted_promise = TrustedPromise::new(p.clone());
let (task_source, canceller) = self
.global()
.as_window()
.task_manager()
.networking_task_source_with_canceller();
self.controller
.borrow_mut()
.as_ref()
.unwrap()
.set_local_description(desc.clone(), (move || {
let _ = task_source.queue_with_canceller(
task!(local_description_set: move || {
// XXXManishearth spec actually asks for an intricate
// dance between pending/current local/remote descriptions
let this = this.root();
let desc = desc.into();
let desc = RTCSessionDescription::Constructor(&this.global().as_window(), &desc).unwrap();
this.local_description.set(Some(&desc));
trusted_promise.root().resolve_native(&())
}),
&canceller,
);
}).into());
p
}
}
impl From<SessionDescription> for RTCSessionDescriptionInit {
@ -325,3 +365,18 @@ impl From<SessionDescription> for RTCSessionDescriptionInit {
}
}
}
impl<'a> From<&'a RTCSessionDescriptionInit> for SessionDescription {
fn from(desc: &'a RTCSessionDescriptionInit) -> Self {
let type_ = match desc.type_ {
RTCSdpType::Answer => SdpType::Answer,
RTCSdpType::Offer => SdpType::Offer,
RTCSdpType::Pranswer => SdpType::Pranswer,
RTCSdpType::Rollback => SdpType::Rollback,
};
SessionDescription {
type_,
sdp: desc.sdp.to_string(),
}
}
}

View file

@ -9,8 +9,8 @@
interface RTCPeerConnection : EventTarget {
Promise<RTCSessionDescriptionInit> createOffer(optional RTCOfferOptions options);
Promise<RTCSessionDescriptionInit> createAnswer(optional RTCAnswerOptions options);
// Promise<void> setLocalDescription(RTCSessionDescriptionInit description);
// readonly attribute RTCSessionDescription? localDescription;
Promise<void> setLocalDescription(RTCSessionDescriptionInit description);
readonly attribute RTCSessionDescription? localDescription;
// readonly attribute RTCSessionDescription? currentLocalDescription;
// readonly attribute RTCSessionDescription? pendingLocalDescription;
// Promise<void> setRemoteDescription(RTCSessionDescriptionInit description);