Custom player

test-pages/local-media-picker.js

@@ -0,0 +1,140 @@
+const fileInput = document.querySelector('[data-local-media-file]');
+const launchButton = document.querySelector('[data-local-media-launch]');
+const projectionSelect = document.querySelector('[data-local-media-projection]');
+const preview = document.querySelector('[data-local-media-preview]');
+const fileName = document.querySelector('[data-local-media-name]');
+
+let activeObjectUrl = '';
+
+fileInput?.addEventListener('change', () => {
+	const file = fileInput.files?.[0];
+	if (!file) {
+		clearLocalMedia();
+		return;
+	}
+
+	const mediaType = getMediaType(file);
+	if (!mediaType) {
+		clearLocalMedia();
+		setPreviewMessage('Choose an image or video file.');
+		return;
+	}
+
+	if (activeObjectUrl) {
+		URL.revokeObjectURL(activeObjectUrl);
+	}
+
+	activeObjectUrl = URL.createObjectURL(file);
+	updateLauncher(file, mediaType, activeObjectUrl);
+	renderPreview(file, mediaType, activeObjectUrl);
+});
+
+projectionSelect?.addEventListener('change', () => {
+	if (launchButton && projectionSelect) {
+		launchButton.dataset.projection = projectionSelect.value;
+	}
+});
+
+window.addEventListener('pagehide', () => {
+	if (activeObjectUrl) {
+		URL.revokeObjectURL(activeObjectUrl);
+	}
+});
+
+function clearLocalMedia() {
+	if (activeObjectUrl) {
+		URL.revokeObjectURL(activeObjectUrl);
+		activeObjectUrl = '';
+	}
+
+	if (launchButton) {
+		launchButton.disabled = true;
+		delete launchButton.dataset.src;
+		delete launchButton.dataset.mediaType;
+		delete launchButton.dataset.type;
+		delete launchButton.dataset.title;
+	}
+
+	if (fileName) {
+		fileName.textContent = 'No file selected';
+	}
+
+	setPreviewMessage('Preview will appear here.');
+}
+
+function getMediaType(file) {
+	if (file.type.startsWith('image/')) {
+		return 'image';
+	}
+
+	if (file.type.startsWith('video/')) {
+		return 'video';
+	}
+
+	const extension = file.name.split('.').pop()?.toLowerCase();
+	if (['avif', 'gif', 'jpeg', 'jpg', 'png', 'webp'].includes(extension)) {
+		return 'image';
+	}
+
+	if (['m4v', 'mov', 'mp4', 'ogv', 'webm'].includes(extension)) {
+		return 'video';
+	}
+
+	return '';
+}
+
+function updateLauncher(file, mediaType, objectUrl) {
+	if (!launchButton || !projectionSelect) {
+		return;
+	}
+
+	launchButton.disabled = false;
+	launchButton.dataset.src = objectUrl;
+	launchButton.dataset.mediaType = mediaType;
+	launchButton.dataset.projection = projectionSelect.value;
+	launchButton.dataset.title = file.name;
+
+	if (file.type) {
+		launchButton.dataset.type = file.type;
+	} else {
+		delete launchButton.dataset.type;
+	}
+
+	if (fileName) {
+		fileName.textContent = `${file.name} (${mediaType})`;
+	}
+}
+
+function renderPreview(file, mediaType, objectUrl) {
+	if (!preview) {
+		return;
+	}
+
+	preview.replaceChildren();
+
+	if (mediaType === 'image') {
+		const image = document.createElement('img');
+		image.src = objectUrl;
+		image.alt = file.name;
+		preview.appendChild(image);
+		return;
+	}
+
+	const video = document.createElement('video');
+	video.src = objectUrl;
+	video.controls = true;
+	video.muted = true;
+	video.playsInline = true;
+	video.preload = 'metadata';
+	preview.appendChild(video);
+}
+
+function setPreviewMessage(message) {
+	if (!preview) {
+		return;
+	}
+
+	const placeholder = document.createElement('p');
+	placeholder.textContent = message;
+	preview.replaceChildren(placeholder);
+}