35557-vm/assets/js/main.js
Flatlogic Bot 399c66edfd 6
2025-11-07 23:11:35 +00:00

431 lines
16 KiB
JavaScript

document.addEventListener('DOMContentLoaded', function () {
// UI Elements
const sceneListEl = document.querySelector('.scene-list');
const previewPanel = document.getElementById('preview-panel');
const programPanel = document.getElementById('program-panel');
const cutButton = document.getElementById('cut-button');
// Modal Elements
const addSceneBtn = document.getElementById('add-scene-btn');
const modal = document.getElementById('add-scene-modal');
const modalCloseBtn = document.getElementById('modal-close-btn');
const modalCancelBtn = document.getElementById('modal-cancel-btn');
const modalSaveBtn = document.getElementById('modal-save-btn');
const sceneNameInput = document.getElementById('scene-name-input');
const sceneTypeSelect = document.getElementById('scene-type-select');
// Source settings elements
const colorSettings = document.getElementById('source-color-group');
const imageSettings = document.getElementById('source-image-group');
const videoSettings = document.getElementById('source-video-group');
const cameraSettings = document.getElementById('source-camera-group');
const sceneColorInput = document.getElementById('scene-color-input');
const sceneImageFileInput = document.getElementById('scene-image-file-input');
const sceneVideoFileInput = document.getElementById('scene-video-file-input');
// Camera specific elements
const cameraPermissionGroup = document.getElementById('camera-permission-group');
const grantCameraPermissionBtn = document.getElementById('grant-camera-permission-btn');
const cameraDeviceSelection = document.getElementById('camera-device-selection');
const sceneCameraDeviceInput = document.getElementById('scene-camera-device-input');
const cameraErrorMessage = document.getElementById('camera-error-message');
// Data Store
let scenes = [];
let activePreviewSceneId = null;
let activeProgramSceneId = null;
let sceneIdCounter = 0;
let activeStreams = {}; // To hold references to active MediaStream objects
let cameraPermissionGranted = false;
// --- STREAM MANAGEMENT ---
function stopStream(panel) {
const panelId = panel.id;
if (activeStreams[panelId]) {
activeStreams[panelId].getTracks().forEach(track => track.stop());
delete activeStreams[panelId];
}
const videoEl = panel.querySelector('video');
if (videoEl) {
videoEl.remove();
}
}
// --- DATA MANAGEMENT ---
function addScene(name, type, value) {
const newScene = {
id: sceneIdCounter++,
name: name,
type: type,
value: value
};
scenes.push(newScene);
renderSceneList();
return newScene;
}
function removeScene(id) {
scenes = scenes.filter(scene => scene.id !== id);
if (activePreviewSceneId === id) {
clearPreview();
}
if (activeProgramSceneId === id) {
clearProgram();
}
renderSceneList();
}
function getScene(id) {
return scenes.find(scene => scene.id === id);
}
// --- UI RENDERING ---
function renderSceneList() {
sceneListEl.innerHTML = ''; // Clear existing list
scenes.forEach(scene => {
const icon = getIconForSceneType(scene.type);
const item = document.createElement('div');
item.className = 'list-group-item list-group-item-action';
item.dataset.sceneId = scene.id;
if (scene.id === activePreviewSceneId) {
item.classList.add('active');
}
item.innerHTML = `
<span class="scene-name">${icon} ${scene.name}</span>
<button class="btn-close btn-close-white remove-scene-btn" aria-label="Remove"></button>
`;
sceneListEl.appendChild(item);
});
}
async function updatePreview(sceneId) {
const scene = getScene(sceneId);
if (!scene) return;
activePreviewSceneId = scene.id;
stopStream(previewPanel);
previewPanel.innerHTML = '<span class="panel-label">PREVIEW</span><div class="scene-content"></div>';
previewPanel.style.backgroundColor = '#000';
previewPanel.style.backgroundImage = 'none';
previewPanel.querySelector('.scene-content').textContent = scene.name;
switch (scene.type) {
case 'color':
previewPanel.style.backgroundColor = scene.value;
break;
case 'image':
previewPanel.style.backgroundImage = `url('${scene.value}')`;
break;
case 'video':
case 'camera':
const video = document.createElement('video');
video.muted = true;
video.loop = scene.type === 'video';
video.autoplay = true;
video.style.width = '100%';
video.style.height = '100%';
video.style.objectFit = 'cover';
if (scene.type === 'video') {
video.src = scene.value;
} else { // camera
try {
const constraints = scene.value
? { video: { deviceId: { exact: scene.value } } }
: { video: true };
const stream = await navigator.mediaDevices.getUserMedia(constraints);
video.srcObject = stream;
activeStreams[previewPanel.id] = stream;
} catch (err) {
console.error("Error accessing camera:", err);
previewPanel.querySelector('.scene-content').textContent = 'Camera Error!';
previewPanel.style.backgroundColor = 'red';
return;
}
}
previewPanel.querySelector('.scene-content').appendChild(video);
break;
default:
previewPanel.style.backgroundColor = '#000';
break;
}
renderSceneList();
}
function clearPreview() {
stopStream(previewPanel);
activePreviewSceneId = null;
previewPanel.innerHTML = '<span class="panel-label">PREVIEW</span><div class="scene-content">Select a Scene</div>';
previewPanel.style.backgroundColor = '#000';
previewPanel.style.backgroundImage = 'none';
renderSceneList();
}
function clearProgram() {
stopStream(programPanel);
activeProgramSceneId = null;
programPanel.innerHTML = '<span class="panel-label">PROGRAM (ON AIR)</span><div class="scene-content"></div>';
programPanel.style.backgroundColor = '#440000';
programPanel.style.backgroundImage = 'none';
}
function getIconForSceneType(type) {
switch (type) {
case 'color': return '<i class="bi bi-palette-fill"></i>';
case 'image': return '<i class="bi bi-image-fill"></i>';
case 'video': return '<i class="bi bi-film"></i>';
case 'camera': return '<i class="bi bi-camera-video-fill"></i>';
default: return '<i class="bi bi-question-circle-fill"></i>';
}
}
// --- CAMERA & DEVICE MANAGEMENT ---
function resetCameraUI() {
cameraPermissionGranted = false;
if (sceneCameraDeviceInput) {
sceneCameraDeviceInput.innerHTML = ''; // Clear dropdown
}
if (cameraErrorMessage) {
cameraErrorMessage.textContent = ''; // Clear any old errors
}
if (cameraDeviceSelection) {
cameraDeviceSelection.style.display = 'none'; // Hide device selector
}
if (cameraPermissionGroup) {
cameraPermissionGroup.style.display = 'block'; // Show permission button
}
}
function showCameraUI() {
if (cameraErrorMessage) {
cameraErrorMessage.textContent = '';
}
if (cameraPermissionGranted) {
if (cameraPermissionGroup) {
cameraPermissionGroup.style.display = 'none';
}
if (cameraDeviceSelection) {
cameraDeviceSelection.style.display = 'block';
}
} else {
// This is the initial state, handled by resetCameraUI
if (cameraPermissionGroup) {
cameraPermissionGroup.style.display = 'block';
}
if (cameraDeviceSelection) {
cameraDeviceSelection.style.display = 'none';
}
}
}
async function requestCameraPermission() {
if (!window.isSecureContext) {
cameraErrorMessage.textContent = 'Camera access is only available over a secure HTTPS connection.';
return;
}
let stream = null;
try {
// First, get a stream. This is necessary to trigger the permission prompt
// and to get the device labels.
stream = await navigator.mediaDevices.getUserMedia({ video: true });
// Now that we have permission and an active stream, enumerate devices.
const devices = await navigator.mediaDevices.enumerateDevices();
const videoDevices = devices.filter(device => device.kind === 'videoinput');
sceneCameraDeviceInput.innerHTML = ''; // Clear previous options
if (videoDevices.length === 0) {
cameraErrorMessage.textContent = 'No camera devices were found.';
return; // Exit if no cameras
}
// Populate the dropdown
videoDevices.forEach(device => {
const option = document.createElement('option');
option.value = device.deviceId;
// Use the device label if available, otherwise a generic name
option.textContent = device.label || `Camera ${sceneCameraDeviceInput.length + 1}`;
sceneCameraDeviceInput.appendChild(option);
});
// We have successfully populated the list, so update the UI
cameraPermissionGranted = true;
showCameraUI();
} catch (err) {
console.error("Could not get camera permissions:", err);
let msg = 'An unexpected error occurred.';
if (err.name === 'NotAllowedError') {
msg = "Camera permission was denied. You need to grant permission in your browser's site settings to use this feature.";
} else if (err.name === 'NotFoundError') {
msg = 'No camera was found on your device.';
} else if (err.name === 'NotReadableError') {
msg = 'The camera is currently in use by another application.';
}
cameraErrorMessage.textContent = msg;
} finally {
// Stop the stream that was used to get permissions and device labels.
if (stream) {
stream.getTracks().forEach(track => track.stop());
}
}
}
// --- EVENT LISTENERS ---
sceneListEl.addEventListener('click', (e) => {
const target = e.target;
const sceneItem = target.closest('.list-group-item');
if (!sceneItem) return;
const sceneId = parseInt(sceneItem.dataset.sceneId, 10);
if (target.classList.contains('remove-scene-btn')) {
removeScene(sceneId);
} else {
updatePreview(sceneId);
}
});
cutButton.addEventListener('click', () => {
if (activePreviewSceneId === null) return;
const previewScene = getScene(activePreviewSceneId);
activeProgramSceneId = previewScene.id;
stopStream(programPanel);
programPanel.innerHTML = previewPanel.innerHTML;
programPanel.style.backgroundColor = previewPanel.style.backgroundColor;
programPanel.style.backgroundImage = previewPanel.style.backgroundImage;
if (activeStreams[previewPanel.id]) {
activeStreams[programPanel.id] = activeStreams[previewPanel.id];
delete activeStreams[previewPanel.id];
}
programPanel.querySelector('.panel-label').textContent = 'PROGRAM (ON AIR)';
const programVideo = programPanel.querySelector('video');
if(programVideo) {
programVideo.muted = false;
}
clearPreview();
});
function showModal() {
resetCameraUI(); // Reset camera state every time modal is opened
modal.style.display = 'flex';
sceneNameInput.focus();
sceneTypeSelect.dispatchEvent(new Event('change'));
}
function hideModal() { modal.style.display = 'none'; }
addSceneBtn.addEventListener('click', showModal);
modalCloseBtn.addEventListener('click', hideModal);
modalCancelBtn.addEventListener('click', hideModal);
sceneTypeSelect.addEventListener('change', (e) => {
const type = e.target.value;
colorSettings.style.display = type === 'color' ? 'block' : 'none';
imageSettings.style.display = type === 'image' ? 'block' : 'none';
videoSettings.style.display = type === 'video' ? 'block' : 'none';
cameraSettings.style.display = type === 'camera' ? 'block' : 'none';
if (type === 'camera') {
showCameraUI();
}
});
grantCameraPermissionBtn.addEventListener('click', requestCameraPermission);
async function saveScene() {
const name = sceneNameInput.value.trim();
if (!name) {
alert('Please enter a scene name.');
return;
}
const type = sceneTypeSelect.value;
let value;
let file = null;
try {
if (type === 'color') {
value = sceneColorInput.value;
} else if (type === 'camera') {
value = sceneCameraDeviceInput.value;
if (!value) {
alert('Please select a camera device.');
return;
}
} else {
if (type === 'image') {
file = sceneImageFileInput.files[0];
if (!file) { alert('Please select an image file.'); return; }
} else if (type === 'video') {
file = sceneVideoFileInput.files[0];
if (!file) { alert('Please select a video file.'); return; }
}
modalSaveBtn.disabled = true;
modalSaveBtn.innerHTML = '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> Uploading...';
const formData = new FormData();
formData.append('file', file);
const response = await fetch('upload.php', {
method: 'POST',
body: formData
});
const result = await response.json();
if (result.success) {
value = result.filePath;
} else {
throw new Error(result.error || 'Upload failed');
}
}
const newScene = addScene(name, type, value);
updatePreview(newScene.id);
sceneNameInput.value = '';
sceneColorInput.value = '#1e90ff';
sceneImageFileInput.value = '';
sceneVideoFileInput.value = '';
sceneTypeSelect.value = 'color';
colorSettings.style.display = 'block';
imageSettings.style.display = 'none';
videoSettings.style.display = 'none';
cameraSettings.style.display = 'none';
hideModal();
} catch (error) {
alert('Error: ' + error.message);
} finally {
modalSaveBtn.disabled = false;
modalSaveBtn.textContent = 'Save Scene';
}
}
modalSaveBtn.addEventListener('click', saveScene);
// --- INITIALIZATION ---
function initialize() {
addScene('Starting Soon Screen', 'image', 'https://images.pexels.com/photos/1762851/pexels-photo-1762851.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1');
addScene('Main Camera', 'camera', '');
addScene('Promo Video', 'video', 'https://assets.mixkit.co/videos/preview/mixkit-spinning-around-the-earth-29351-large.mp4');
addScene('Screen Share', 'color', '#006633');
const firstScene = getScene(0);
if (firstScene) {
updatePreview(firstScene.id);
}
}
initialize();
});