getPaths method

@override Future<void> getPaths()

Get paths. 获取所有的资源路径

Implementation

@override
Future<void> getPaths() async {
  // Initial base options.
  // Enable need title for audios and image to get proper display.
  final FilterOptionGroup options = FilterOptionGroup(
    imageOption: const FilterOption(
      needTitle: true,
      sizeConstraint: SizeConstraint(ignoreSize: true),
    ),
    audioOption: const FilterOption(
      needTitle: true,
      sizeConstraint: SizeConstraint(ignoreSize: true),
    ),
    containsPathModified: true,
  );

  // Merge user's filter option into base options if it's not null.
  if (filterOptions != null) {
    options.merge(filterOptions!);
  }

  final List<AssetPathEntity> list = await PhotoManager.getAssetPathList(
    type: requestType,
    filterOption: options,
  );

  // Sort path using sort path delegate.
  Singleton.sortPathDelegate.sort(list);

  for (final AssetPathEntity pathEntity in list) {
    // Use sync method to avoid unnecessary wait.
    _pathsList[pathEntity] = null;
    getThumbnailFromPath(pathEntity);
  }

  // Set first path entity as current path entity.
  if (_pathsList.isNotEmpty) {
    _currentPath ??= pathsList.keys.elementAt(0);
  }
}