| <html data-bs-theme="dark"> |
| |
| <head> |
| <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" |
| integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous"> |
| |
| </head> |
| |
| <body> |
| |
| <div class="container"> |
| |
| <label for="server-port" class="form-label">Server Port</label> |
| <div class="input-group mb-3"> |
| <input type="text" class="form-control" aria-label="Port Number" value="8989" id="port"> |
| <button class="btn btn-primary" type="button" onclick="connect()">Connect</button> |
| </div> |
| |
| <div class="row"> |
| <div class="col"> |
| <label for="volume_setting" class="form-label">Volume Setting</label> |
| <input type="range" class="form-range" min="0" max="255" id="volume_setting"> |
| </div> |
| <div class="col"> |
| <label for="change_counter" class="form-label">Change Counter</label> |
| <input type="range" class="form-range" min="0" max="255" id="change_counter"> |
| </div> |
| <div class="col"> |
| <div class="form-check form-switch"> |
| <input class="form-check-input" type="checkbox" role="switch" id="muted"> |
| <label class="form-check-label" for="muted">Muted</label> |
| </div> |
| </div> |
| </div> |
| |
| <button class="btn btn-primary" type="button" onclick="update_state()">Notify New Volume State</button> |
| |
| |
| <hr> |
| <div id="socketStateContainer" class="bg-body-tertiary p-3 rounded-2"> |
| <h3>Log</h3> |
| <code id="socketState"> |
| </code> |
| </div> |
| </div> |
| |
| <script> |
| let portInput = document.getElementById("port") |
| let volumeSetting = document.getElementById("volume_setting") |
| let muted = document.getElementById("muted") |
| let changeCounter = document.getElementById("change_counter") |
| let socket = null |
| |
| function connect() { |
| if (socket != null) { |
| return |
| } |
| socket = new WebSocket(`ws://localhost:${portInput.value}`); |
| socket.onopen = _ => { |
| socketState.innerText += 'OPEN\n' |
| } |
| socket.onclose = _ => { |
| socketState.innerText += 'CLOSED\n' |
| socket = null |
| } |
| socket.onerror = (error) => { |
| socketState.innerText += 'ERROR\n' |
| console.log(`ERROR: ${error}`) |
| } |
| socket.onmessage = (event) => { |
| socketState.innerText += `<- ${event.data}\n` |
| let volume_state = JSON.parse(event.data) |
| volumeSetting.value = volume_state.volume_setting |
| changeCounter.value = volume_state.change_counter |
| muted.checked = volume_state.muted ? true : false |
| } |
| } |
| |
| function send(message) { |
| if (socket && socket.readyState == WebSocket.OPEN) { |
| let jsonMessage = JSON.stringify(message) |
| socketState.innerText += `-> ${jsonMessage}\n` |
| socket.send(jsonMessage) |
| } else { |
| socketState.innerText += 'NOT CONNECTED\n' |
| } |
| } |
| |
| function update_state() { |
| send({ |
| volume_setting: parseInt(volumeSetting.value), |
| change_counter: parseInt(changeCounter.value), |
| muted: muted.checked ? 1 : 0 |
| }) |
| } |
| </script> |
| <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" |
| integrity="sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL" |
| crossorigin="anonymous"></script> |
| |
| </body> |
| |
| </html> |