mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-12-25 03:03:50 +03:00
137 lines
3.6 KiB
Dart
137 lines
3.6 KiB
Dart
/*
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* Copyright (C) 2023 Yubico.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import 'dart:math';
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import 'dart:ui';
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import 'package:flutter/material.dart';
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import 'package:yubico_authenticator/android/state.dart';
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import 'package:yubico_authenticator/app/views/horizontal_shake.dart';
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import '../../../theme.dart';
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/// Default icon for [NfcActivityWidget]
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class NfcActivityIcon extends StatelessWidget {
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final NfcActivity nfcActivity;
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const NfcActivityIcon(this.nfcActivity, {super.key});
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@override
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Widget build(BuildContext context) => switch (nfcActivity) {
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NfcActivity.ready => const HorizontalShake(
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startupDelay: Duration(seconds: 4),
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child: _NfcIconWithOpacity(0.8)),
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NfcActivity.processingStarted => Stack(
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fit: StackFit.loose,
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children: [
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ImageFiltered(
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imageFilter: ImageFilter.blur(
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sigmaX: 7.0,
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sigmaY: 7.0,
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tileMode: TileMode.decal,
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),
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child: const Opacity(
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opacity: 0.6,
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child: _NfcIcon(
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color: accentGreen,
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),
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),
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),
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const _NfcIcon(),
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],
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),
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NfcActivity.processingInterrupted =>
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const _NfcIconWrapper(Icons.warning_amber_rounded),
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_ => const _NfcIcon(),
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};
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}
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class _NfcIconWithOpacity extends StatelessWidget {
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final double opacity;
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const _NfcIconWithOpacity(this.opacity);
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@override
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Widget build(BuildContext context) => Opacity(
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opacity: opacity,
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child: const _NfcIcon(),
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);
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}
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class _NfcIconWrapper extends StatelessWidget {
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final IconData _iconData;
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const _NfcIconWrapper(this._iconData);
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@override
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Widget build(BuildContext context) {
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return LayoutBuilder(
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builder: (BuildContext buildContext, BoxConstraints constraints) =>
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Icon(
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_iconData,
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size: constraints.biggest.width,
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));
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}
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}
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class _NfcIcon extends StatelessWidget {
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final Color? color;
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const _NfcIcon({this.color});
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@override
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Widget build(BuildContext context) {
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final theme = IconTheme.of(context);
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return LayoutBuilder(
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builder: (BuildContext buildContext, BoxConstraints constraints) =>
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CustomPaint(
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size: Size.copy(constraints.biggest),
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painter: _NfcIconPainter(color ?? theme.color ?? Colors.black),
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),
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);
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}
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}
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class _NfcIconPainter extends CustomPainter {
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final Color color;
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_NfcIconPainter(this.color);
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@override
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void paint(Canvas canvas, Size size) {
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final step = size.width / 4;
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const sweep = pi / 4;
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final paint = Paint()
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..color = color
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..style = PaintingStyle.stroke
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..strokeCap = StrokeCap.round
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..strokeWidth = step / 2;
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final rect =
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Offset(size.width * -1.7, 0) & Size(size.width * 2, size.height);
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for (var i = 0; i < 3; i++) {
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canvas.drawArc(rect.inflate(i * step), -sweep / 2, sweep, false, paint);
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}
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}
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@override
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bool shouldRepaint(covariant CustomPainter oldDelegate) {
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return false;
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}
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}
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