Add MediaStreamTrackAudioSourceNode

components/script/dom/mediastreamtrackaudiosourcenode.rs

@@ -0,0 +1,61 @@
+/* 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::audiocontext::AudioContext;
+use crate::dom::audionode::AudioNode;
+use crate::dom::bindings::codegen::Bindings::MediaStreamTrackAudioSourceNodeBinding::MediaStreamTrackAudioSourceOptions;
+use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::mediastreamtrack::MediaStreamTrack;
+use crate::dom::window::Window;
+use dom_struct::dom_struct;
+use servo_media::audio::node::AudioNodeInit;
+
+#[dom_struct]
+pub struct MediaStreamTrackAudioSourceNode {
+    node: AudioNode,
+    track: Dom<MediaStreamTrack>,
+}
+
+impl MediaStreamTrackAudioSourceNode {
+    #[allow(unrooted_must_root)]
+    pub fn new_inherited(
+        context: &AudioContext,
+        options: &MediaStreamTrackAudioSourceOptions,
+    ) -> Fallible<MediaStreamTrackAudioSourceNode> {
+        let track = options.mediaStreamTrack.id();
+        let node = AudioNode::new_inherited(
+            AudioNodeInit::MediaStreamSourceNode(track),
+            &context.upcast(),
+            Default::default(),
+            0, // inputs
+            1, // outputs
+        )?;
+        Ok(MediaStreamTrackAudioSourceNode {
+            node,
+            track: Dom::from_ref(&options.mediaStreamTrack),
+        })
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(
+        window: &Window,
+        context: &AudioContext,
+        options: &MediaStreamTrackAudioSourceOptions,
+    ) -> Fallible<DomRoot<MediaStreamTrackAudioSourceNode>> {
+        let node = MediaStreamTrackAudioSourceNode::new_inherited(context, options)?;
+        Ok(reflect_dom_object(Box::new(node), window))
+    }
+
+    #[allow(non_snake_case)]
+    pub fn Constructor(
+        window: &Window,
+        context: &AudioContext,
+        options: &MediaStreamTrackAudioSourceOptions,
+    ) -> Fallible<DomRoot<MediaStreamTrackAudioSourceNode>> {
+        MediaStreamTrackAudioSourceNode::new(window, context, options)
+    }
+}

components/script/dom/mod.rs

@@ -438,6 +438,7 @@ pub mod mediastream;
 pub mod mediastreamaudiodestinationnode;
 pub mod mediastreamaudiosourcenode;
 pub mod mediastreamtrack;
+pub mod mediastreamtrackaudiosourcenode;
 pub mod messagechannel;
 pub mod messageevent;
 pub mod messageport;

components/script/dom/webidls/MediaStreamTrackAudioSourceNode.webidl

@@ -0,0 +1,16 @@
+/* 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/. */
+/*
+ * The origin of this IDL file is
+ * https://webaudio.github.io/web-audio-api/#mediastreamtrackaudiosourcenode
+ */
+
+dictionary MediaStreamTrackAudioSourceOptions {
+  required MediaStreamTrack mediaStreamTrack;
+};
+
+[Exposed=Window]
+interface MediaStreamTrackAudioSourceNode : AudioNode {
+  [Throws] constructor (AudioContext context, MediaStreamTrackAudioSourceOptions options);
+};