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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'colors.dart';
/// An [IconThemeData] subclass that automatically resolves its [color] when retrieved
/// using [IconTheme.of].
class CupertinoIconThemeData extends IconThemeData with Diagnosticable {
/// Creates a [CupertinoIconThemeData].
/// The opacity applies to both explicit and default icon colors. The value
/// is clamped between 0.0 and 1.0.
const CupertinoIconThemeData({
Color color,
double opacity,
double size
}) : super(color: color, opacity: opacity, size: size);
/// Called by [IconTheme.of] to resolve [color] against the given [BuildContext].
IconThemeData resolve(BuildContext context) {
final Color resolvedColor = CupertinoDynamicColor.resolve(color, context);
return resolvedColor == color ? this : copyWith(color: resolvedColor);
/// Creates a copy of this icon theme but with the given fields replaced with
/// the new values.
CupertinoIconThemeData copyWith({ Color color, double opacity, double size }) {
return CupertinoIconThemeData(
color: color ?? this.color,
opacity: opacity ?? this.opacity,
size: size ?? this.size,
void debugFillProperties(DiagnosticPropertiesBuilder properties) {
properties.add(createCupertinoColorProperty('color', color, defaultValue: null));