feat(SS): Expose SS sourceType

modules/RTC/JitsiLocalTrack.js

@@ -73,7 +73,8 @@ export default class JitsiLocalTrack extends JitsiTrack {
             resolution,
             deviceId,
             facingMode,
-            sourceId
+            sourceId,
+            sourceType
         } = trackInfo;
 
         super(
@@ -97,6 +98,7 @@ export default class JitsiLocalTrack extends JitsiTrack {
         this.dontFireRemoveEvent = false;
         this.resolution = resolution;
         this.sourceId = sourceId;
+        this.sourceType = sourceType;
 
         // FIXME: currently firefox is ignoring our constraints about
         // resolutions so we do not store it, to avoid wrong reporting of local

modules/RTC/RTCUtils.js

@@ -629,11 +629,12 @@ function handleLocalStream(streams, resolution) {
     }
 
     if (desktopStream) {
-        const { stream, sourceId } = desktopStream;
+        const { stream, sourceId, sourceType } = desktopStream;
 
         res.push({
             stream,
             sourceId,
+            sourceType,
             track: stream.getVideoTracks()[0],
             mediaType: MediaType.VIDEO,
             videoType: VideoType.DESKTOP

modules/RTC/ScreenObtainer.js

@@ -120,9 +120,12 @@ const ScreenObtainer = {
                 if (window.JitsiMeetScreenObtainer
                     && window.JitsiMeetScreenObtainer.openDesktopPicker) {
                     window.JitsiMeetScreenObtainer.openDesktopPicker(
-                        streamId =>
+                        (streamId, streamType) =>
                             onGetStreamResponse(
-                                { streamId },
+                                {
+                                    streamId,
+                                    streamType
+                                },
                                 onSuccess,
                                 onFailure
                             ),
@@ -570,13 +573,17 @@ function waitForExtensionAfterInstall(options, waitInterval, retries) {
  * @param {Function} onSuccess - callback for success.
  * @param {Function} onFailure - callback for failure.
  */
-function onGetStreamResponse({ streamId, error }, onSuccess, onFailure) {
+function onGetStreamResponse(
+        { streamId, streamType, error },
+        onSuccess,
+        onFailure) {
     if (streamId) {
         gumFunction(
             [ 'desktop' ],
             stream => onSuccess({
                 stream,
-                sourceId: streamId
+                sourceId: streamId,
+                sourceType: streamType
             }),
             onFailure,
             { desktopStream: streamId });