static IconThemeData _getInheritedIconThemeData(BuildContext context)
{
IconTheme iconTheme = (IconTheme)context.inheritFromWidgetOfExactType(typeof(IconTheme));
if (iconTheme != null)
{
return(iconTheme.data);
}
return(IconThemeData.fallback());
}
public static IconThemeData of(BuildContext context)
{
IconThemeData iconThemeData = _getInheritedIconThemeData(context).resolve(context);
return(iconThemeData.isConcrete
? iconThemeData
: iconThemeData.copyWith(
size: iconThemeData.size ?? IconThemeData.fallback().size,
color: iconThemeData.color ?? IconThemeData.fallback().color,
opacity: iconThemeData.opacity ?? IconThemeData.fallback().opacity
));
}
static IconThemeData _getInheritedIconThemeData(BuildContext context)
{
IconTheme iconTheme = (IconTheme)context.dependOnInheritedWidgetOfExactType <IconTheme>();
return(iconTheme?.data ?? IconThemeData.fallback());
}
public static IconThemeData of(BuildContext context)
{
IconThemeData iconThemeData = _getInheritedIconThemeData(context);
return(iconThemeData.isConcrete ? iconThemeData : IconThemeData.fallback().merge(iconThemeData));
}