feat(ui): Add other session handling route and modal

ui/src/components/Modal.tsx

@@ -17,11 +17,11 @@ export default function Modal({
     <Dialog open={open} onClose={onClose} className="relative z-10">
       <DialogBackdrop
         transition
-        className="fixed inset-0 bg-gray-500/75 dark:bg-slate-900/90 transition-opacity data-[closed]:opacity-0 data-[enter]:duration-300 data-[leave]:duration-200 data-[enter]:ease-out data-[leave]:ease-in"
+        className="fixed inset-0 bg-gray-500/75 transition-opacity data-[closed]:opacity-0 data-[enter]:duration-300 data-[leave]:duration-200 data-[enter]:ease-out data-[leave]:ease-in dark:bg-slate-900/90"
       />
 
       <div className="fixed inset-0 z-10 w-screen overflow-y-auto">
-        <div className="flex items-end justify-center min-h-full p-4 text-center sm:items-center sm:p-0">
+        <div className="flex min-h-full items-end justify-center p-4 text-center sm:items-center sm:p-0">
           <DialogPanel
             transition
             className={cx(
@@ -30,9 +30,12 @@ export default function Modal({
               className,
             )}
           >
-            <div className="inline-block w-full text-left pointer-events-auto">
+            <div className="pointer-events-auto inline-block w-full text-left">
               <div className="flex justify-center" onClick={onClose}>
-                <div className="w-full pointer-events-none" onClick={e => e.stopPropagation()}>
+                <div
+                  className="pointer-events-none w-full"
+                  onClick={e => e.stopPropagation()}
+                >
                   {children}
                 </div>
               </div>

ui/src/main.tsx

@@ -28,6 +28,7 @@ import WelcomeLocalModeRoute from "./routes/welcome-local.mode";
 import WelcomeRoute from "./routes/welcome-local";
 import WelcomeLocalPasswordRoute from "./routes/welcome-local.password";
 import { CLOUD_API } from "./ui.config";
+import OtherSessionRoute from "./routes/devices.$id.other-session";
 
 export const isOnDevice = import.meta.env.MODE === "device";
 export const isInCloud = !isOnDevice;
@@ -75,7 +76,14 @@ if (isOnDevice) {
       errorElement: <ErrorBoundary />,
       element: <DeviceRoute />,
       loader: DeviceRoute.loader,
+      children: [
+        {
+          path: "other-session",
+          element: <OtherSessionRoute />,
+        },
+      ],
     },
+
     {
       path: "/adopt",
       element: <AdoptRoute />,
@@ -116,6 +124,12 @@ if (isOnDevice) {
               path: "devices/:id",
               element: <DeviceRoute />,
               loader: DeviceRoute.loader,
+              children: [
+                {
+                  path: "other-session",
+                  element: <OtherSessionRoute />,
+                },
+              ],
             },
             {
               path: "devices/:id/deregister",
@@ -164,8 +178,8 @@ function ErrorBoundary() {
   }
 
   return (
-    <div className="w-full h-full">
-      <div className="flex items-center justify-center h-full">
+    <div className="h-full w-full">
+      <div className="flex h-full items-center justify-center">
         <div className="w-full max-w-2xl">
           <EmptyCard
             IconElm={ExclamationTriangleIcon}

ui/src/routes/devices.$id.other-session.tsx

@@ -0,0 +1,45 @@
+import { useNavigate, useOutletContext } from "react-router-dom";
+import { GridCard } from "@/components/Card";
+import { Button } from "@components/Button";
+import LogoBlue from "@/assets/logo-blue.svg";
+import LogoWhite from "@/assets/logo-white.svg";
+
+interface ContextType {
+  connectWebRTC: () => Promise<void>;
+}
+
+export default function OtherSessionRoute() {
+  const outletContext = useOutletContext<ContextType>();
+  const navigate = useNavigate();
+
+  // Function to handle closing the modal
+  const handleClose = () => {
+    outletContext?.connectWebRTC().then(() => navigate(".."));
+  };
+
+  return (
+    <GridCard cardClassName="relative mx-auto max-w-md text-left pointer-events-auto">
+      <div className="p-10">
+        <div className="flex min-h-[140px] flex-col items-start justify-start space-y-4 text-left">
+          <div className="h-[24px]">
+            <img src={LogoBlue} alt="" className="h-full dark:hidden" />
+            <img src={LogoWhite} alt="" className="hidden h-full dark:block" />
+          </div>
+
+          <div className="text-left">
+            <p className="text-base font-semibold dark:text-white">
+              Another Active Session Detected
+            </p>
+            <p className="mb-4 text-sm text-slate-600 dark:text-slate-400">
+              Only one active session is supported at a time. Would you like to take over
+              this session?
+            </p>
+            <div className="flex items-center justify-start space-x-4">
+              <Button size="SM" theme="primary" text="Use Here" onClick={handleClose} />
+            </div>
+          </div>
+        </div>
+      </div>
+    </GridCard>
+  );
+}

ui/src/routes/devices.$id.tsx

@@ -16,10 +16,12 @@ import {
 import WebRTCVideo from "@components/WebRTCVideo";
 import {
   LoaderFunctionArgs,
+  Outlet,
   Params,
   redirect,
   useLoaderData,
   useNavigate,
+  useOutlet,
   useParams,
   useSearchParams,
 } from "react-router-dom";
@@ -34,9 +36,9 @@ import UpdateInProgressStatusCard from "../components/UpdateInProgressStatusCard
 import api from "../api";
 import { DeviceStatus } from "./welcome-local";
 import FocusTrap from "focus-trap-react";
-import OtherSessionConnectedModal from "@/components/OtherSessionConnectedModal";
 import Terminal from "@components/Terminal";
 import { CLOUD_API, DEVICE_API } from "@/ui.config";
+import Modal from "../components/Modal";
 
 interface LocalLoaderResp {
   authMode: "password" | "noPassword" | null;
@@ -131,9 +133,6 @@ export default function KvmIdRoute() {
     setModalView,
   } = useUpdateStore();
 
-  const [isOtherSessionConnectedModalOpen, setIsOtherSessionConnectedModalOpen] =
-    useState(false);
-
   const sdp = useCallback(
     async (event: RTCPeerConnectionIceEvent, pc: RTCPeerConnection) => {
       if (!pc) return;
@@ -243,8 +242,7 @@ export default function KvmIdRoute() {
     ) {
       return;
     }
-    // We don't want to connect if another session is connected
-    if (isOtherSessionConnectedModalOpen) return;
+    if (location.pathname.includes("other-session")) return;
     connectWebRTC();
   }, 3000);
 
@@ -334,7 +332,7 @@ export default function KvmIdRoute() {
   function onJsonRpcRequest(resp: JsonRpcRequest) {
     if (resp.method === "otherSessionConnected") {
       console.log("otherSessionConnected", resp.params);
-      setIsOtherSessionConnectedModalOpen(true);
+      navigate("other-session");
     }
 
     if (resp.method === "usbState") {
@@ -445,6 +443,8 @@ export default function KvmIdRoute() {
     };
   }, [kvmTerminal]);
 
+  const outlet = useOutlet();
+
   return (
     <>
       <Transition show={!isUpdateDialogOpen && otaState.updating}>
@@ -486,18 +486,16 @@ export default function KvmIdRoute() {
           </div>
         </div>
       </div>
-      <UpdateDialog open={isUpdateDialogOpen} setOpen={setIsUpdateDialogOpen} />
-      <OtherSessionConnectedModal
-        open={isOtherSessionConnectedModalOpen}
-        setOpen={state => {
-          if (!state) connectWebRTC().then(r => r);
 
-          // It takes some time for the WebRTC connection to be established, so we wait a bit before closing the modal
-          setTimeout(() => {
-            setIsOtherSessionConnectedModalOpen(state);
-          }, 1000);
-        }}
-      />
+      <Modal
+        open={outlet !== null}
+        onClose={() => location.pathname !== "/other-session" && navigate("..")}
+      >
+        <Outlet context={{ connectWebRTC }} />
+      </Modal>
+
+      <UpdateDialog open={isUpdateDialogOpen} setOpen={setIsUpdateDialogOpen} />
+
       {kvmTerminal && (
         <Terminal type="kvm" dataChannel={kvmTerminal} title="KVM Terminal" />
       )}