TF-3157 Remove unnecessary background service worker

web/firebase-messaging-sw.js

@@ -1,20 +0,0 @@
-importScripts("https://www.gstatic.com/firebasejs/9.10.0/firebase-app-compat.js");
-importScripts("https://www.gstatic.com/firebasejs/9.10.0/firebase-messaging-compat.js");
-// Initialize the Firebase app in the service worker by passing in the messagingSenderId.
-firebase.initializeApp({
-    apiKey: "...",
-    authDomain: "...",
-    databaseURL: "...",
-    projectId: "...",
-    storageBucket: "...",
-    messagingSenderId: "...",
-    appId: "...",
-});
-// Retrieve an instance of Firebase Messaging so that it can handle background messages.
-const messaging = firebase.messaging();
-
-const broadcast = new BroadcastChannel('background-message');
-
-messaging.onBackgroundMessage((message) => {
-    broadcast.postMessage(message);
-});

web/web-sockets-worker.js

@@ -1,74 +0,0 @@
-importScripts('flutter_service_worker.js?v={{flutter_service_worker_version}}');
-
-var webSocket;
-const broadcast = new BroadcastChannel("background-message");
-var intervalId;
-const pingIntervalInMs = 10000;
-
-function connect(url, ticket) {
-  webSocket = new WebSocket(`${url}?ticket=${ticket}`, "jmap");
-
-  webSocket.onopen = () => {
-    console.log("websocket open");
-    webSocket.send(
-      JSON.stringify({
-        "@type": "WebSocketPushEnable",
-        dataTypes: ["Mailbox", "Email"],
-      })
-    );
-    intervalId = setInterval(() => {
-      webSocket.send(
-        JSON.stringify({
-          "@type": "Request",
-          id: "R1",
-          using: ["urn:ietf:params:jmap:core"],
-          methodCalls: [["Core/echo", {}, "c0"]],
-        })
-      );
-    }, pingIntervalInMs);
-  };
-
-  webSocket.onmessage = (event) => {
-    console.log(`websocket received message: ${event.data}`);
-    broadcast.postMessage(event.data);
-  };
-
-  webSocket.onclose = (event) => {
-    console.log(
-      `websocket connection closed with code: "${event.code}" reason: "${event.reason}" and cleanly: "${event.wasClean}"`
-    );
-    broadcast.postMessage("webSocketClosed");
-    webSocket = null;
-    clearInterval(intervalId);
-  };
-}
-
-function disconnect() {
-  if (webSocket == null) {
-    return;
-  }
-  webSocket.close();
-}
-
-self.addEventListener("install", (event) => {
-  self.skipWaiting().then(() => {
-    console.log("Service worker installed");
-  });
-});
-
-self.addEventListener("activate", (event) => {
-  event.waitUntil(
-    self.clients.claim().then(() => {
-      console.log("Service worker activated");
-    })
-  );
-});
-
-self.addEventListener("message", (event) => {
-  console.log(`web socket worker received message: ${event.data}`);
-  if (event.data.action === "connect") {
-    connect(event.data.url, event.data.ticket);
-  } else if (event.data.action === "disconnect") {
-    disconnect();
-  }
-});

web/worker_service/worker_service.js

@@ -23,7 +23,7 @@ function fetchServiceWorker() {
     // Wait for registration to finish before dropping the <script>tag.
     // Otherwise, the browser will load the script multiple times,
     // potentially different versions.
-    navigator.serviceWorker.register('web-sockets-worker.js')
+    navigator.serviceWorker.register('flutter_service_worker.js?v={{flutter_service_worker_version}}')
       .then((reg) => {
         function waitForActivation(serviceWorker) {
           serviceWorker.addEventListener('statechange', () => {