From 106cc4a1f7a9454e0f551d13806cf44a02bc32c9 Mon Sep 17 00:00:00 2001
From: Manish Goregaokar <manishsmail@gmail.com>
Date: Tue, 7 May 2019 12:49:47 -0700
Subject: [PATCH] Add MediaStreamTrack interface

---
 components/script/dom/mediastreamtrack.rs     | 35 +++++++++++++++++++
 components/script/dom/mod.rs                  |  1 +
 .../dom/webidls/MediaStreamTrack.webidl       | 24 +++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 components/script/dom/mediastreamtrack.rs
 create mode 100644 components/script/dom/webidls/MediaStreamTrack.webidl

diff --git a/components/script/dom/mediastreamtrack.rs b/components/script/dom/mediastreamtrack.rs
new file mode 100644
index 00000000000..13ca065bc9f
--- /dev/null
+++ b/components/script/dom/mediastreamtrack.rs
@@ -0,0 +1,35 @@
+/* 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;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::eventtarget::EventTarget;
+use crate::dom::globalscope::GlobalScope;
+use dom_struct::dom_struct;
+use servo_media::streams::registry::MediaStreamId;
+
+#[dom_struct]
+pub struct MediaStreamTrack {
+    eventtarget: EventTarget,
+    #[ignore_malloc_size_of = "defined in servo-media"]
+    id: MediaStreamId,
+}
+
+impl MediaStreamTrack {
+    pub fn new_inherited(id: MediaStreamId) -> MediaStreamTrack {
+        MediaStreamTrack {
+            eventtarget: EventTarget::new_inherited(),
+            id,
+        }
+    }
+
+    pub fn new(global: &GlobalScope, id: MediaStreamId) -> DomRoot<MediaStreamTrack> {
+        reflect_dom_object(
+            Box::new(MediaStreamTrack::new_inherited(id)),
+            global,
+            MediaStreamTrackBinding::Wrap,
+        )
+    }
+}
diff --git a/components/script/dom/mod.rs b/components/script/dom/mod.rs
index ff1688fb6c3..576c288d6f4 100644
--- a/components/script/dom/mod.rs
+++ b/components/script/dom/mod.rs
@@ -399,6 +399,7 @@ pub mod medialist;
 pub mod mediaquerylist;
 pub mod mediaquerylistevent;
 pub mod mediastream;
+pub mod mediastreamtrack;
 pub mod messageevent;
 pub mod mimetype;
 pub mod mimetypearray;
diff --git a/components/script/dom/webidls/MediaStreamTrack.webidl b/components/script/dom/webidls/MediaStreamTrack.webidl
new file mode 100644
index 00000000000..03180966b9f
--- /dev/null
+++ b/components/script/dom/webidls/MediaStreamTrack.webidl
@@ -0,0 +1,24 @@
+/* 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/. */
+
+// https://w3c.github.io/mediacapture-main/#dom-mediastreamtrack
+
+[Exposed=Window, Pref="dom.webrtc.enabled"]
+interface MediaStreamTrack : EventTarget {
+    // readonly        attribute DOMString kind;
+    // readonly        attribute DOMString id;
+    // readonly        attribute DOMString label;
+    //                 attribute boolean enabled;
+    // readonly        attribute boolean muted;
+    //                 attribute EventHandler onmute;
+    //                 attribute EventHandler onunmute;
+    // readonly        attribute MediaStreamTrackState readyState;
+    //                 attribute EventHandler onended;
+    // MediaStreamTrack clone();
+    // void stop();
+    // MediaTrackCapabilities getCapabilities();
+    // MediaTrackConstraints getConstraints();
+    // MediaTrackSettings getSettings();
+    // Promise<void> applyConstraints(optional MediaTrackConstraints constraints);
+};