smooth-app/packages/smooth_app/lib/generic_lib/widgets/smooth_snackbar.dart

import 'package:flutter/material.dart';
import 'package:smooth_app/generic_lib/design_constants.dart';
import 'package:smooth_app/generic_lib/duration_constants.dart';
import 'package:smooth_app/resources/app_icons.dart' as icons;
import 'package:smooth_app/themes/smooth_theme.dart';
import 'package:smooth_app/themes/smooth_theme_colors.dart';

/// The [ThemeData] doesn't expose all fields for a floating [SnackBar].
/// Hence this widget…
class SmoothFloatingSnackbar extends SnackBar {
  const SmoothFloatingSnackbar({
    required super.content,
    super.backgroundColor,
    super.elevation,
    EdgeInsetsGeometry? margin,
    super.padding,
    super.width,
    super.shape,
    super.hitTestBehavior,
    super.action,
    super.actionOverflowThreshold,
    super.showCloseIcon,
    super.closeIconColor,
    super.animation,
    super.onVisible,
    super.dismissDirection,
    super.clipBehavior = Clip.hardEdge,
    Duration? duration,
    super.key,
  }) : super(
         margin: margin ?? const EdgeInsetsDirectional.all(SMALL_SPACE),
         duration:
             duration ??
             (action != null
                 ? const Duration(seconds: 10)
                 : SnackBarDuration.short),
         behavior: SnackBarBehavior.floating,
       );

  SmoothFloatingSnackbar.positive({
    required BuildContext context,
    required String text,
    super.elevation,
    EdgeInsetsGeometry? margin,
    super.padding,
    super.width,
    super.shape,
    super.hitTestBehavior,
    super.action,
    super.actionOverflowThreshold,
    super.showCloseIcon,
    super.closeIconColor,
    super.animation,
    super.onVisible,
    super.dismissDirection,
    super.clipBehavior = Clip.hardEdge,
    Duration? duration,
    super.key,
  }) : super(
         margin: margin ?? const EdgeInsetsDirectional.all(SMALL_SPACE),
         duration:
             duration ??
             (action != null
                 ? const Duration(seconds: 10)
                 : SnackBarDuration.short),
         behavior: SnackBarBehavior.floating,
         backgroundColor: context
             .extension<SmoothColorsThemeExtension>()
             .success,
         content: Row(
           children: <Widget>[
             Expanded(child: Text(text)),
             const SizedBox(width: SMALL_SPACE),
             const Icon(Icons.check_circle, color: Colors.white),
           ],
         ),
       );

  SmoothFloatingSnackbar.error({
    required BuildContext context,
    required String text,
    super.elevation,
    super.padding,
    super.width,
    super.shape,
    super.hitTestBehavior,
    SnackBarAction? action,
    super.actionOverflowThreshold,
    super.showCloseIcon,
    super.closeIconColor,
    super.animation,
    super.onVisible,
    super.dismissDirection,
    super.clipBehavior = Clip.hardEdge,
    Duration? duration,
    super.key,
  }) : super(
         margin: const EdgeInsetsDirectional.all(SMALL_SPACE),
         duration:
             duration ??
             (action != null
                 ? const Duration(seconds: 10)
                 : SnackBarDuration.short),
         behavior: SnackBarBehavior.floating,
         backgroundColor: context.extension<SmoothColorsThemeExtension>().error,
         action: action?.copyWith(
           backgroundColor: Colors.white38,
           textColor: Colors.white,
         ),
         content: Row(
           children: <Widget>[
             ExcludeSemantics(
               child: DecoratedBox(
                 decoration: const BoxDecoration(
                   color: Colors.white,
                   shape: BoxShape.circle,
                 ),
                 child: Padding(
                   padding: const EdgeInsetsDirectional.only(
                     start: 6.0,
                     end: SMALL_SPACE,
                     top: 6.5,
                     bottom: SMALL_SPACE,
                   ),
                   child: Builder(
                     builder: (BuildContext context) {
                       return icons.Warning(
                         color: context
                             .extension<SmoothColorsThemeExtension>()
                             .error,
                         size: 15.0,
                       );
                     },
                   ),
                 ),
               ),
             ),
             const SizedBox(width: LARGE_SPACE),
             Expanded(child: Text(text)),
           ],
         ),
       );
}

extension SnackBarActionExtension on SnackBarAction {
  SnackBarAction copyWith({
    String? label,
    VoidCallback? onPressed,
    Color? textColor,
    Color? disabledTextColor,
    Color? backgroundColor,
    Color? disabledBackgroundColor,
  }) {
    return SnackBarAction(
      textColor: textColor ?? this.textColor,
      disabledTextColor: disabledTextColor ?? this.disabledTextColor,
      backgroundColor: backgroundColor ?? this.backgroundColor,
      disabledBackgroundColor:
          disabledBackgroundColor ?? this.disabledBackgroundColor,
      label: label ?? this.label,
      onPressed: onPressed ?? this.onPressed,
    );
  }
}