public static ThemeData of(BuildContext context, bool shadowThemeOnly = false)
{
_InheritedTheme inheritedTheme =
(_InheritedTheme)context.inheritFromWidgetOfExactType(typeof(_InheritedTheme));
if (shadowThemeOnly)
{
if (inheritedTheme == null || inheritedTheme.theme.isMaterialAppTheme)
{
return(null);
}
return(inheritedTheme.theme.data);
}
//todo:xingwei.zhu: material Localizations
return(inheritedTheme?.theme?.data ?? _kFallbackTheme);
}
public static ThemeData of(BuildContext context, bool shadowThemeOnly = false)
{
_InheritedTheme inheritedTheme = context.dependOnInheritedWidgetOfExactType <_InheritedTheme>();
if (shadowThemeOnly)
{
if (inheritedTheme == null || inheritedTheme.theme.isMaterialAppTheme)
{
return(null);
}
return(inheritedTheme.theme.data);
}
MaterialLocalizations localizations = MaterialLocalizations.of(context);
ScriptCategory category = ScriptCategory.englishLike;
ThemeData theme = inheritedTheme?.theme?.data ?? _kFallbackTheme;
return(ThemeData.localize(theme, theme.typography.geometryThemeFor(category)));
}
public override Widget wrap(BuildContext context, Widget child)
{
_InheritedTheme ancestorTheme = context.findAncestorWidgetOfExactType <_InheritedTheme>();
return(ReferenceEquals(this, ancestorTheme) ? child : new Theme(data: theme.data, child: child));
}