Create event to start webrtc screen charing

front/src/Connection.ts

@@ -13,6 +13,7 @@ enum EventMessage{
     WEBRTC_SIGNAL = "webrtc-signal",
     WEBRTC_SCREEN_SHARING_SIGNAL = "webrtc-screen-sharing-signal",
     WEBRTC_START = "webrtc-start",
+    WEBRTC_SCREEN_SHARING_START = "webrtc-screen-sharing-start",
     JOIN_ROOM = "join-room", // bi-directional
     USER_POSITION = "user-position", // bi-directional
     USER_MOVED = "user-moved", // From server to client
@@ -197,10 +198,16 @@ export class Connection implements Connection {
         });
     }
 
-    sendWebrtcScreenSharingSignal(signal: any, roomId: string, userId? : string|null, receiverId? : string) {
+    sendWebrtcScreenSharingStart(roomId: string) {
+        return this.getSocket().emit(EventMessage.WEBRTC_SCREEN_SHARING_START, {
+            userId: this.userId,
+            roomId: roomId
+        });
+    }
+
+    sendWebrtcScreenSharingSignal(signal: any, roomId: string, userId? : string|null) {
         return this.getSocket().emit(EventMessage.WEBRTC_SCREEN_SHARING_SIGNAL, {
-            userId: userId ? userId : this.userId,
-            receiverId: receiverId ? receiverId : this.userId,
+            userId: userId,
             roomId: roomId,
             signal: signal
         });
@@ -210,6 +217,10 @@ export class Connection implements Connection {
         this.socket.on(EventMessage.WEBRTC_START, callback);
     }
 
+    public receiveWebrtcScreenSharingStart(callback: (message: WebRtcDisconnectMessageInterface) => void) {
+        this.socket.on(EventMessage.WEBRTC_SCREEN_SHARING_START, callback);
+    }
+
     public receiveWebrtcSignal(callback: (message: WebRtcSignalMessageInterface) => void) {
         return this.socket.on(EventMessage.WEBRTC_SIGNAL, callback);
     }