1 files changed, 68 insertions, 0 deletions
diff --git a/components/script/dom/mediastreamtrack.rs b/components/script/dom/mediastreamtrack.rs
new file mode 100644
index 00000000000..c5178b3682b
--- /dev/null
+++ b/components/script/dom/mediastreamtrack.rs
@@ -0,0 +1,68 @@
+/* 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::MediaStreamTrackBinding::MediaStreamTrackMethods;
+use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::eventtarget::EventTarget;
+use crate::dom::globalscope::GlobalScope;
+use dom_struct::dom_struct;
+use servo_media::streams::registry::MediaStreamId;
+use servo_media::streams::MediaStreamType;
+
+#[dom_struct]
+pub struct MediaStreamTrack {
+    eventtarget: EventTarget,
+    #[ignore_malloc_size_of = "defined in servo-media"]
+    id: MediaStreamId,
+    #[ignore_malloc_size_of = "defined in servo-media"]
+    ty: MediaStreamType,
+}
+
+impl MediaStreamTrack {
+    pub fn new_inherited(id: MediaStreamId, ty: MediaStreamType) -> MediaStreamTrack {
+        MediaStreamTrack {
+            eventtarget: EventTarget::new_inherited(),
+            id,
+            ty,
+        }
+    }
+
+    pub fn new(
+        global: &GlobalScope,
+        id: MediaStreamId,
+        ty: MediaStreamType,
+    ) -> DomRoot<MediaStreamTrack> {
+        reflect_dom_object(Box::new(MediaStreamTrack::new_inherited(id, ty)), global)
+    }
+
+    pub fn id(&self) -> MediaStreamId {
+        self.id
+    }
+
+    pub fn ty(&self) -> MediaStreamType {
+        self.ty
+    }
+}
+
+impl MediaStreamTrackMethods for MediaStreamTrack {
+    /// https://w3c.github.io/mediacapture-main/#dom-mediastreamtrack-kind
+    fn Kind(&self) -> DOMString {
+        match self.ty {
+            MediaStreamType::Video => "video".into(),
+            MediaStreamType::Audio => "audio".into(),
+        }
+    }
+
+    /// https://w3c.github.io/mediacapture-main/#dom-mediastreamtrack-id
+    fn Id(&self) -> DOMString {
+        self.id.id().to_string().into()
+    }
+
+    /// https://w3c.github.io/mediacapture-main/#dom-mediastreamtrack-clone
+    fn Clone(&self) -> DomRoot<MediaStreamTrack> {
+        MediaStreamTrack::new(&self.global(), self.id, self.ty)
+    }
+}