1 files changed, 73 insertions, 0 deletions
diff --git a/dom/media/webrtc/jsapi/RemoteTrackSource.cpp b/dom/media/webrtc/jsapi/RemoteTrackSource.cpp
new file mode 100644
index 0000000000..41c679e431
--- /dev/null
+++ b/dom/media/webrtc/jsapi/RemoteTrackSource.cpp
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+#include "RemoteTrackSource.h"
+
+#include "MediaStreamError.h"
+#include "MediaTrackGraph.h"
+#include "RTCRtpReceiver.h"
+
+namespace mozilla {
+
+NS_IMPL_ADDREF_INHERITED(RemoteTrackSource, dom::MediaStreamTrackSource)
+NS_IMPL_RELEASE_INHERITED(RemoteTrackSource, dom::MediaStreamTrackSource)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RemoteTrackSource)
+NS_INTERFACE_MAP_END_INHERITING(dom::MediaStreamTrackSource)
+NS_IMPL_CYCLE_COLLECTION_CLASS(RemoteTrackSource)
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(RemoteTrackSource,
+                                                dom::MediaStreamTrackSource)
+  tmp->Destroy();
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mReceiver)
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(RemoteTrackSource,
+                                                  dom::MediaStreamTrackSource)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mReceiver)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+RemoteTrackSource::RemoteTrackSource(SourceMediaTrack* aStream,
+                                     dom::RTCRtpReceiver* aReceiver,
+                                     nsIPrincipal* aPrincipal,
+                                     const nsString& aLabel,
+                                     TrackingId aTrackingId)
+    : dom::MediaStreamTrackSource(aPrincipal, aLabel, std::move(aTrackingId)),
+      mStream(aStream),
+      mReceiver(aReceiver) {}
+
+RemoteTrackSource::~RemoteTrackSource() { Destroy(); }
+
+void RemoteTrackSource::Destroy() {
+  if (mStream) {
+    MOZ_ASSERT(!mStream->IsDestroyed());
+    mStream->End();
+    mStream->Destroy();
+    mStream = nullptr;
+
+    GetMainThreadSerialEventTarget()->Dispatch(NewRunnableMethod(
+        "RemoteTrackSource::ForceEnded", this, &RemoteTrackSource::ForceEnded));
+  }
+}
+
+auto RemoteTrackSource::ApplyConstraints(
+    const dom::MediaTrackConstraints& aConstraints, dom::CallerType aCallerType)
+    -> RefPtr<ApplyConstraintsPromise> {
+  return ApplyConstraintsPromise::CreateAndReject(
+      MakeRefPtr<MediaMgrError>(
+          dom::MediaStreamError::Name::OverconstrainedError, ""),
+      __func__);
+}
+
+void RemoteTrackSource::SetPrincipal(nsIPrincipal* aPrincipal) {
+  mPrincipal = aPrincipal;
+  PrincipalChanged();
+}
+
+void RemoteTrackSource::SetMuted(bool aMuted) { MutedChanged(aMuted); }
+
+void RemoteTrackSource::ForceEnded() { OverrideEnded(); }
+
+SourceMediaTrack* RemoteTrackSource::Stream() const { return mStream; }
+
+}  // namespace mozilla