Add MediaDevices::GetUserMedia

1 files changed, 28 insertions, 3 deletions

diff --git a/components/script/dom/mediadevices.rs b/components/script/dom/mediadevices.rs
index 5897ad576eb..e018087a86c 100644
--- a/components/script/dom/mediadevices.rs
+++ b/components/script/dom/mediadevices.rs
@@ -2,15 +2,18 @@
  * 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::MediaDevicesBinding;
-use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::codegen::Bindings::MediaDevicesBinding::MediaStreamConstraints;
+use crate::dom::bindings::codegen::Bindings::MediaDevicesBinding::{self, MediaDevicesMethods};
 use crate::dom::bindings::reflector::reflect_dom_object;
 use crate::dom::bindings::reflector::DomObject;
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::eventtarget::EventTarget;
 use crate::dom::globalscope::GlobalScope;
-use crate::dom::window::Window;
+use crate::dom::mediastream::MediaStream;
+use crate::dom::promise::Promise;
 use dom_struct::dom_struct;
+use servo_media::ServoMedia;
+use std::rc::Rc;
 
 #[dom_struct]
 pub struct MediaDevices {
@@ -32,3 +35,25 @@ impl MediaDevices {
         )
     }
 }
+
+impl MediaDevicesMethods for MediaDevices {
+    /// https://w3c.github.io/mediacapture-main/#dom-mediadevices-getusermedia
+    fn GetUserMedia(&self, constraints: &MediaStreamConstraints) -> Rc<Promise> {
+        let p = Promise::new(&self.global());
+        let media = ServoMedia::get().unwrap();
+        let mut tracks = vec![];
+        if constraints.audio {
+            if let Some(audio) = media.create_audioinput_stream() {
+                tracks.push(audio)
+            }
+        }
+        if constraints.video {
+            if let Some(video) = media.create_videoinput_stream() {
+                tracks.push(video)
+            }
+        }
+        let stream = MediaStream::new(&self.global(), tracks);
+        p.resolve_native(&stream);
+        p
+    }
+}