dom: Add WebRTC transceiver stubs.

components/script/dom/rtcrtpsender.rs

@@ -0,0 +1,57 @@
+/* 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::codegen::Bindings::RTCRtpSenderBinding::RTCRtpSenderMethods;
+use crate::dom::bindings::codegen::Bindings::RTCRtpSenderBinding::{
+    RTCRtcpParameters, RTCRtpParameters, RTCRtpSendParameters,
+};
+use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::promise::Promise;
+use dom_struct::dom_struct;
+use std::rc::Rc;
+
+#[dom_struct]
+pub struct RTCRtpSender {
+    reflector_: Reflector,
+}
+
+impl RTCRtpSender {
+    fn new_inherited() -> Self {
+        Self {
+            reflector_: Reflector::new(),
+        }
+    }
+
+    pub(crate) fn new(global: &GlobalScope) -> DomRoot<Self> {
+        reflect_dom_object(Box::new(Self::new_inherited()), global)
+    }
+}
+
+impl RTCRtpSenderMethods for RTCRtpSender {
+    // https://w3c.github.io/webrtc-pc/#dom-rtcrtpsender-getparameters
+    fn GetParameters(&self) -> RTCRtpSendParameters {
+        RTCRtpSendParameters {
+            parent: RTCRtpParameters {
+                headerExtensions: vec![],
+                rtcp: RTCRtcpParameters {
+                    cname: None,
+                    reducedSize: None,
+                },
+                codecs: vec![],
+            },
+            transactionId: DOMString::new(),
+            encodings: vec![],
+        }
+    }
+
+    // https://w3c.github.io/webrtc-pc/#dom-rtcrtpsender-setparameters
+    fn SetParameters(&self, _parameters: &RTCRtpSendParameters) -> Rc<Promise> {
+        let promise = Promise::new(&self.global());
+        promise.resolve_native(&());
+        promise
+    }
+}