loadRemoteSubtitleContent method

Future<String?> loadRemoteSubtitleContent({ required String subtitleUrl, })

Implementation

Future<String?> loadRemoteSubtitleContent({
  required String subtitleUrl,
}) async {
  final subtitleDecoder = subtitleController.subtitleDecoder;
  String? subtitlesContent;
  // Try loading the subtitle content with http.get.
  try {
    final response = await http.get(
      Uri.parse(subtitleUrl),
    );

    // Lets check if the request was successful.
    // If the subtitle decoder type is utf8 lets decode it with utf8.
    if (response.statusCode == HttpStatus.ok) {
      if (subtitleDecoder == SubtitleDecoder.utf8) {
        subtitlesContent = utf8.decode(
          response.bodyBytes,
          allowMalformed: true,
        );
      }
      // If the subtitle decoder type is latin1 lets decode it with latin1.
      else if (subtitleDecoder == SubtitleDecoder.latin1) {
        subtitlesContent = latin1.decode(
          response.bodyBytes,
          allowInvalid: true,
        );
      }
      // The subtitle decoder was not defined so we will extract it from the response headers send from the server.
      else {
        final subtitleServerDecoder = requestContentType(
          response.headers,
        );
        // If the subtitle decoder type is utf8 lets decode it with utf8.
        if (subtitleServerDecoder == SubtitleDecoder.utf8) {
          subtitlesContent = utf8.decode(
            response.bodyBytes,
            allowMalformed: true,
          );
        }
        // If the subtitle decoder type is latin1 lets decode it with latin1.
        else if (subtitleServerDecoder == SubtitleDecoder.latin1) {
          subtitlesContent = latin1.decode(
            response.bodyBytes,
            allowInvalid: true,
          );
        }
      }
    }
  } catch (e) {
    subtitlesContent = '';
  }

  // Return the subtitle content.
  return subtitlesContent;
}