generateMediaItemFromWebView method

Implementation

Future<MediaItem?> generateMediaItemFromWebView({
  required AppModel appModel,
  required InAppWebViewController controller,
}) async {
  String title = await controller.getTitle() ?? '';
  Uri url = (await controller.getUrl())!..removeFragment();

  MediaItem? item = appModel
      .getMediaTypeHistory(mediaType: mediaType)
      .firstWhereOrNull((item) => item.mediaIdentifier == url.toString());
  if (item != null) {
    return item;
  }

  if (title.endsWith('| mokuro')) {
    title = title.replaceAll('| mokuro', '');
  }

  bool isMokuroPage = await controller.evaluateJavascript(
      source:
          'document.body.getElementsByClassName("pageContainer").length != 0 && document.getElementById("popupAbout") != null;');
  if (!isMokuroPage) {
    return null;
  }

  int pageCount = await controller.evaluateJavascript(source: '''
document.body.getElementsByClassName('pageContainer').length
''');

  String relativeUrl = await controller.evaluateJavascript(source: '''
var bgImage = document.body.getElementsByClassName('pageContainer')[0].style.backgroundImage;
bgImage.substring(5, bgImage.length - 2);
''');

  String imageUrl = getImageUrl(
    relativeUrl: relativeUrl,
    mediaIdentifier: url.toString(),
  );

  return MediaItem(
    canDelete: true,
    canEdit: true,
    title: title,
    mediaIdentifier: url.toString(),
    position: 0,
    duration: pageCount,
    imageUrl: imageUrl,
    mediaTypeIdentifier: mediaType.uniqueKey,
    mediaSourceIdentifier: uniqueKey,
  );
}