Show speaking indicators in spotlight during screen sharing

src/state/CallViewModel.test.ts

@@ -221,6 +221,9 @@ test("screen sharing activates spotlight layout", () => {
     // sharing, then return to grid, then manually go into spotlight, and
     // remain in spotlight until we manually go back to grid
     const laytMarbles = "ab(cc)(dd)ae(bb)(ee)a 59979ms a";
+    // Speaking indicators should always be shown except for when the active
+    // speaker is present in the spotlight
+    const showMarbles = "y----------ny---n---y";
 
     withCallViewModel(
       helpers,
@@ -270,6 +273,10 @@ test("screen sharing activates spotlight layout", () => {
             },
           },
         );
+        expectObservable(vm.showSpeakingIndicators).toBe(showMarbles, {
+          y: true,
+          n: false,
+        });
       },
     );
   });

src/state/CallViewModel.ts

@@ -714,7 +714,21 @@ export class CallViewModel extends ViewModel {
   }
 
   public showSpeakingIndicators: Observable<boolean> = this.layout.pipe(
-    map((l) => l.type !== "one-on-one" && !l.type.startsWith("spotlight-")),
+    map((l) => {
+      switch (l.type) {
+        case "spotlight-landscape":
+        case "spotlight-portrait":
+          // If the spotlight is showing the active speaker, we can do without
+          // speaking indicators as they're a redundant visual cue. But if
+          // screen sharing feeds are in the spotlight we still need them.
+          return l.spotlight[0] instanceof ScreenShareViewModel;
+        case "spotlight-expanded":
+        case "one-on-one":
+          return false;
+        default:
+          return true;
+      }
+    }),
     this.scope.state(),
   );