showPreview<T> static method

Future<T?> showPreview<T>({ required BuildContext context, required MediaStream stream, required bool isVideo, })

Implementation

static Future<T?> showPreview<T>({
  required BuildContext context,
  required web.MediaStream stream,
  required bool isVideo,
}) async {
  final completer = Completer<T?>();
  bool isRecording = false;

  // Show the overlay
  final overlay = OverlayEntry(
    builder: (context) => CameraPreviewOverlay(
      stream: stream,
      isVideo: isVideo,
      isRecording: isRecording,
      onCapture: () {
        if (!completer.isCompleted) {
          if (isVideo) {
            // Start recording
            // We'll handle this in the implementation
            completer.complete(true as T);
          } else {
            // Capture photo
            completer.complete(true as T);
          }
        }
      },
      onStopRecording: isVideo
          ? () {
              if (!completer.isCompleted) {
                completer.complete(false as T);
              }
            }
          : null,
      onCancel: () {
        if (!completer.isCompleted) {
          completer.complete(null);
        }
      },
    ),
  );

  // Insert the overlay
  final overlayState = Overlay.of(context);
  overlayState.insert(overlay);

  // Wait for user action
  final result = await completer.future;

  // Remove the overlay
  overlay.remove();

  return result;
}