buildLoadingOverlay method

@override Widget buildLoadingOverlay({ required Widget child, String? loadingKey = LoadingKey.global, Widget? loadingWidget, Duration timeout = const Duration(seconds: 30), })

Implementation

@override
Widget buildLoadingOverlay({
  required Widget child,
  String? loadingKey = LoadingKey.global,
  Widget? loadingWidget,
  Duration timeout = const Duration(seconds: 30),
}) {
  return BlocBuilder<CommonBloc, CommonState>(
    buildWhen:
        (previous, current) =>
            previous.isLoading(key: loadingKey) !=
            current.isLoading(key: loadingKey),
    builder: (context, state) {
      if (state.isLoading(key: loadingKey)) {
        Future.delayed(timeout, () {
          final currentContext = context;
          if (currentContext.mounted && state.isLoading(key: loadingKey)) {
            hideLoading(key: loadingKey);
          }
        });
      }
      return Stack(
        children: [
          child,
          if (state.isLoading(key: loadingKey))
            AnimatedOpacity(
              opacity: state.isLoading(key: loadingKey) ? 1.0 : 0.0,
              duration: const Duration(milliseconds: 300),
              curve: Curves.easeInOut,
              child: loadingWidget ?? buildPageLoading(),
            ),
        ],
      );
    },
  );
}