Improve session stopping

app/src/bridge/components/cast/client.ts

@@ -26,7 +26,7 @@ export default class CastClient {
 
     // Platform messaging
     private receiverChannel?: Channel;
-    private receiverRequestId = 0;
+    private receiverRequestId = Math.floor(Math.random() * 1e6);
 
     constructor(
         protected sourceId = "sender-0",

app/src/bridge/components/cast/index.ts

@@ -6,7 +6,7 @@ import { sendMessage } from "../../lib/nativeMessaging";
 import { Message } from "../../messaging";
 
 import Session from "./Session";
-import { NS_CONNECTION, NS_RECEIVER } from "./client";
+import CastClient, { NS_CONNECTION, NS_RECEIVER } from "./client";
 
 
 const sessions = new Map<string, Session>();
@@ -112,29 +112,12 @@ export function handleCastMessage(message: Message) {
             break;
         }
 
-        case "bridge:stopCastApp": {
-            const { host, port } = message.data.receiverDevice;
-            const client = new castv2.Client();
+        case "bridge:stopCastSession": {
+            const { receiverDevice } = message.data;
 
-            client.connect({ host, port }, () => {
-                const sourceId = "sender-0";
-                const destinationId = "receiver-0";
-
-                const clientConnection = client.createChannel(
-                    sourceId,
-                    destinationId,
-                    NS_CONNECTION,
-                    "JSON"
-                );
-                const clientReceiver = client.createChannel(
-                    sourceId,
-                    destinationId,
-                    NS_RECEIVER,
-                    "JSON"
-                );
-
-                clientConnection.send({ type: "CONNECT" });
-                clientReceiver.send({ type: "STOP", requestId: 1 });
+            const client = new CastClient();
+            client.connect(receiverDevice.host). then(() => {
+                (client.sendReceiverMessage as any)({ type: "STOP" });
             });
 
             break;

app/src/bridge/messaging.ts

@@ -63,7 +63,9 @@ type MessageDefinitions = {
         messageData: object | string;
         messageId: string;
     };
-    "bridge:stopCastApp": { receiverDevice: ReceiverDevice };
+    "bridge:stopCastSession": {
+        receiverDevice: ReceiverDevice;
+    };
 
     /**
      * getInfo uses the old :/ form for compat with old bridge