sounds, better files

src/model/Remote/Channels/ChromcastSummon.ts

@@ -0,0 +1,63 @@
+import { loadScript } from "../../../helpers/loadScript";
+import { JsonChannelCaster, Message, MessageEmitter } from "./type";
+import type {CastReceiverContext, CastReceiverOptions} from '@types/chromecast-caf-receiver/cast.framework';
+import { WsSignalingSummon } from "./WsSignaling";
+
+const CHANNEL = 'urn:x-cast:eu.fisoft.battlecaster.custom';
+
+export class ChromecastChannelSummon extends MessageEmitter implements JsonChannelSummon {
+
+  constructor() {
+    super();
+  }
+
+  log(...data: any[]) {
+    // @ts-ignore
+    this.emit({ type: 'log', data: data });
+  }
+
+  async initialize() {
+    this.log('loading cast_receiver_framework.js');
+    await loadScript('//www.gstatic.com/cast/sdk/libs/caf_receiver/v3/cast_receiver_framework.js')
+    this.initializeCastApi();
+  }
+
+  initializeCastApi() {
+    this.log('initializeCastApi');
+    // @ts-ignore
+    const context: CastReceiverContext = cast.framework.CastReceiverContext.getInstance();
+    // @ts-ignore
+    const options: CastReceiverOptions = new cast.framework.CastReceiverOptions();
+    
+    context.addCustomMessageListener(CHANNEL, async (event: any) => {
+      try {
+        this.log('Message received', event.senderId, event.data);
+        const msg = event.data;
+        if (msg.type === 'hello') {
+          this.log('Chromecast summoned', event.senderId);
+          this.send({type: 'summoned', name: msg.name ?? 'Chromecast'});
+        }
+        this.emit(msg);
+      } catch (err) {
+        this.log('error', err);
+      }
+    });
+    options.customNamespaces = {
+      // @ts-ignore
+      [CHANNEL]: cast.framework.system.MessageType.JSON,
+    }
+    options.disableIdleTimeout = true;
+    options.maxInactivity = 3600; // Development only
+    context.start(options);
+  }
+
+  send(data: Message): void {
+    try {
+      // @ts-ignore
+      const context: CastReceiverContext = cast.framework.CastReceiverContext.getInstance()
+      context.sendCustomMessage(CHANNEL, undefined, data);
+    } catch (err) {
+      this.log('send error', err);
+    }
+  }
+}