Add Element Call room settings (#9347)

Co-authored-by: Robin <robin@robin.town>

src/createRoom.ts

@@ -46,6 +46,7 @@ import { findDMForUser } from "./utils/dm/findDMForUser";
 import { privateShouldBeEncrypted } from "./utils/rooms";
 import { waitForMember } from "./utils/membership";
 import { PreferredRoomVersions } from "./utils/PreferredRoomVersions";
+import SettingsStore from "./settings/SettingsStore";
 
 // we define a number of interfaces which take their names from the js-sdk
 /* eslint-disable camelcase */
@@ -168,6 +169,16 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
                 },
             };
         }
+    } else if (SettingsStore.getValue("feature_group_calls")) {
+        createOpts.power_level_content_override = {
+            events: {
+                ...DEFAULT_EVENT_POWER_LEVELS,
+                // Element Call should be disabled by default
+                [ElementCall.MEMBER_EVENT_TYPE.name]: 100,
+                // Make sure only admins can enable it
+                [ElementCall.CALL_EVENT_TYPE.name]: 100,
+            },
+        };
     }
 
     // By default, view the room after creating it