mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-12-23 18:22:39 +03:00
119 lines
3.6 KiB
Dart
119 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:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:path/path.dart';
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import 'package:vector_graphics/vector_graphics.dart';
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import 'package:yubico_authenticator/oath/icon_provider/icon_file_loader.dart';
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import 'package:yubico_authenticator/oath/icon_provider/icon_pack.dart';
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import 'package:yubico_authenticator/oath/icon_provider/icon_pack_manager.dart';
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import 'package:yubico_authenticator/widgets/delayed_visibility.dart';
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class AccountIcon extends ConsumerWidget {
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final String? issuer;
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final Widget defaultWidget;
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static const double _width = 40;
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static const double _height = 40;
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const AccountIcon({
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super.key,
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required this.issuer,
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required this.defaultWidget,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final iconPack = ref.watch(iconPackProvider);
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return iconPack.when(
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data: (IconPack? iconPack) {
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final issuerImageFile = iconPack?.getFileForIssuer(issuer);
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if (issuerImageFile == null) {
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return defaultWidget;
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}
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return switch (extension(issuerImageFile.path)) {
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'.svg' => _decodeSvg(ref, issuerImageFile),
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'.jpg' || '.png' => _decodeRasterImage(ref, issuerImageFile),
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_ => defaultWidget
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};
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},
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error: (_, __) => defaultWidget,
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loading: () => defaultWidget);
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}
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Widget _decodeSvg(WidgetRef ref, File file) {
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return VectorGraphic(
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width: _width,
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height: _height,
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fit: BoxFit.fill,
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loader: IconFileLoader(ref, file),
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placeholderBuilder: (BuildContext _) {
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return DelayedVisibility(
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delay: const Duration(milliseconds: 10),
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child: Stack(alignment: Alignment.center, children: [
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Opacity(
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opacity: 0.5,
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child: defaultWidget,
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),
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const CircularProgressIndicator(),
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]),
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);
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});
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}
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Widget _decodeRasterImage(WidgetRef ref, File file) {
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return ClipOval(
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// This clipper makes the oval small enough to hide artifacts
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// on the oval border for images not supporting transparency.
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clipper: _AccountIconClipper(_width, _height),
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child: Image.file(
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file,
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filterQuality: FilterQuality.medium,
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fit: BoxFit.cover,
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alignment: Alignment.center,
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width: _width,
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height: _height,
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errorBuilder: (_, __, ___) => defaultWidget,
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),
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);
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}
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}
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class _AccountIconClipper extends CustomClipper<Rect> {
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final double _width;
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final double _height;
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_AccountIconClipper(this._width, this._height);
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@override
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Rect getClip(Size size) {
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return Rect.fromCenter(
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center: Offset(_width / 2, _height / 2),
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// make the rect smaller to hide artifacts
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width: _width - 1,
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height: _height - 1);
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}
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@override
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bool shouldReclip(oldClipper) {
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return true;
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}
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}
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