handleMethodCall method

Future handleMethodCall(MethodCall call)

Handles method calls over the MethodChannel of this plugin. Note: Check the "federated" architecture for a new way of doing this: https://flutter.dev/go/federated-plugins

Implementation

Future<dynamic> handleMethodCall(MethodCall call) async {
  final compressor = getCompressor();
  final ImageFile output;

  switch (call.method) {
    case 'compress':
      final param = ImageFileConfigurationExtension.decode(call.arguments);

      switch (param.config.outputType) {
        case ImageOutputType.webpThenJpg:
          output = await compressor.compressWebpThenJpg(param);
          break;
        case ImageOutputType.webpThenPng:
          output = await compressor.compressWebpThenPng(param);
          break;
        case ImageOutputType.jpg:
          output = await compressor.compressJpg(param);
          break;
        case ImageOutputType.png:
          output = await compressor.compressPng(param);
          break;
      }
      break;
    case 'compressWebpThenJpg':
      final param = ImageFileConfigurationExtension.decode(call.arguments);
      output = await compressor.compressWebpThenJpg(param);
      break;
    case 'compressWebpThenPng':
      final param = ImageFileConfigurationExtension.decode(call.arguments);
      output = await compressor.compressWebpThenPng(param);
      break;
    case 'compressJpg':
      final param = ImageFileConfigurationExtension.decode(call.arguments);
      output = await compressor.compressJpg(param);
      break;
    case 'compressPng':
      final param = ImageFileConfigurationExtension.decode(call.arguments);
      output = await compressor.compressPng(param);
      break;
    default:
      throw PlatformException(
        code: 'Unimplemented',
        details:
            'image_compression_flutter for web doesn\'t implement \'${call.method}\'',
      );
  }

  return output.toMap();
}