encodeCupertinoThemeData static method

Map<String, dynamic>? encodeCupertinoThemeData(dynamic value)

Encodes the given value to a JSON representation.

{
  "barBackgroundColor": <Color>,
  "brightness": <Brightness>,
  "primaryColor": <Color>,
  "primaryContrastingColor": <Color>,
  "scaffoldBackgroundColor": <Color>,
  "textTheme": <CupertinoTextThemeData>
}

See also:

• encodeBrightness
• encodeColor
• encodeCupertinoTextThemeData

Implementation

static Map<String, dynamic>? encodeCupertinoThemeData(
  // Set as dynamic rather than CupertinoThemeData to be compatible with 1.22 and 1.24 where the type switches.
  dynamic value,

  // TODO: 1.24
  // NoDefaultCupertinoThemeData value,
) {
  Map<String, dynamic>? result;

  if (value != null) {
    var runtimeTypeStr = value.runtimeType.toString();
    // In Flutter < 1.24, the type is: CupertinoThemeData or _NoDefaultCupertinoThemeData
    // In Flutter >= 1.24, the type is: NoDefaultCupertinoThemeData
    assert(runtimeTypeStr == 'CupertinoThemeData' ||
        runtimeTypeStr == 'NoDefaultCupertinoThemeData' ||
        runtimeTypeStr == '_NoDefaultCupertinoThemeData');

    if (runtimeTypeStr == 'CupertinoThemeData' ||
        runtimeTypeStr == 'NoDefaultCupertinoThemeData' ||
        runtimeTypeStr == '_NoDefaultCupertinoThemeData') {
      result = <String, dynamic>{
        'barBackgroundColor': encodeColor(value.barBackgroundColor),
        'brightness': encodeBrightness(value.brightness),
        'primaryColor': encodeColor(value.primaryColor),
        'primaryContrastingColor': encodeColor(value.primaryContrastingColor),
        'scaffoldBackgroundColor': encodeColor(value.scaffoldBackgroundColor),
        'textTheme': encodeCupertinoTextThemeData(value.textTheme),
      };
    } else {
      throw Exception(
        'Unknown type passed in to [encodeCupertinoThemeData]: [$runtimeTypeStr]',
      );
    }
  }

  return _stripNull(result);
}