electron app that can connect/disconnect

This commit is contained in:
2022-04-18 13:24:27 +02:00
parent e52ef237af
commit 8e10db0736
33 changed files with 20168 additions and 859 deletions

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import { useState } from "preact/hooks";
export function App() {
const [connecting, setConnecting] = useState(false);
const [device, setDevice] = useState<BluetoothDevice>(null);
const onConnectClick = async () => {
try {
setConnecting(true);
const foundDevice = await navigator.bluetooth.requestDevice({
filters: [
{
namePrefix: "Nano",
},
],
});
console.log("Found device:");
console.log(foundDevice);
setDevice(foundDevice);
await foundDevice.gatt.connect();
foundDevice.ongattserverdisconnected = onDisconnect;
} catch (error) {
console.log("Error connecting:");
console.log(error);
} finally {
setConnecting(false);
}
};
const onDisconnect = async () => {
setDevice(null);
};
const onDisconnectClick = async () => {
try {
device.gatt.disconnect();
} catch (error) {
console.log("Error disconnecting:");
console.log(error);
}
};
return (
<div>
{connecting && !device && <span>Trying to connect</span>}
{device == null && !connecting && (
<button onClick={onConnectClick}>Connect</button>
)}
{device && (
<>
<span>connected</span>
<button onClick={onDisconnectClick}>Disconnect</button>
</>
)}
</div>
);
}

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body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica,
Arial, sans-serif;
margin: auto;
max-width: 38rem;
padding: 2rem;
}

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Hello World!</title>
</head>
<body>
<div id="root"></div>
</body>
</html>

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import { app, BrowserWindow } from "electron";
// This allows TypeScript to pick up the magic constant that's auto-generated by Forge's Webpack
// plugin that tells the Electron app where to look for the Webpack-bundled app code (depending on
// whether you're running in development or production).
declare const MAIN_WINDOW_WEBPACK_ENTRY: string;
// Handle creating/removing shortcuts on Windows when installing/uninstalling.
if (require("electron-squirrel-startup")) {
// eslint-disable-line global-require
app.quit();
}
const createWindow = (): void => {
// Create the browser window.
const mainWindow = new BrowserWindow({
height: 600,
width: 800,
});
mainWindow.webContents.on(
"select-bluetooth-device",
(event, deviceList, callback) => {
event.preventDefault();
if (deviceList && deviceList.length > 0) {
callback(deviceList[0].deviceId);
}
},
);
// and load the index.html of the app.
mainWindow.loadURL(MAIN_WINDOW_WEBPACK_ENTRY);
// Open the DevTools.
mainWindow.webContents.openDevTools();
};
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on("ready", createWindow);
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on("window-all-closed", () => {
if (process.platform !== "darwin") {
app.quit();
}
});
app.on("activate", () => {
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (BrowserWindow.getAllWindows().length === 0) {
createWindow();
}
});
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and import them here.

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/**
* This file will automatically be loaded by webpack and run in the "renderer" context.
* To learn more about the differences between the "main" and the "renderer" context in
* Electron, visit:
*
* https://electronjs.org/docs/tutorial/application-architecture#main-and-renderer-processes
*
* By default, Node.js integration in this file is disabled. When enabling Node.js integration
* in a renderer process, please be aware of potential security implications. You can read
* more about security risks here:
*
* https://electronjs.org/docs/tutorial/security
*
* To enable Node.js integration in this file, open up `main.js` and enable the `nodeIntegration`
* flag:
*
* ```
* // Create the browser window.
* mainWindow = new BrowserWindow({
* width: 800,
* height: 600,
* webPreferences: {
* nodeIntegration: true
* }
* });
* ```
*/
import { render } from "preact";
import { App } from "./App";
import "./index.css";
console.log(
'👋 This message is being logged by "renderer.js", included via webpack',
);
render(<App />, document.getElementById("root"));