mirror of
https://github.com/Yubico/yubioath-flutter.git
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86 lines
2.3 KiB
Dart
Executable File
86 lines
2.3 KiB
Dart
Executable File
/*
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* Copyright (C) 2022 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 'package:desktop_drop/desktop_drop.dart';
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import 'package:flutter/material.dart';
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import '../core/state.dart';
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class FileDropTarget extends StatefulWidget {
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final Widget child;
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final Function(List<int> filedata) onFileDropped;
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final Widget? overlay;
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const FileDropTarget({
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super.key,
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required this.child,
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required this.onFileDropped,
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this.overlay,
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});
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@override
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State<StatefulWidget> createState() => _FileDropTargetState();
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}
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class _FileDropTargetState extends State<FileDropTarget> {
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bool _hovering = false;
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Widget _buildDefaultOverlay() => Positioned.fill(
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child: Container(
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color: Colors.blue.withOpacity(0.4),
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child: Icon(
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Icons.upload_file,
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size: 200,
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color: Colors.black.withOpacity(0.6),
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),
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),
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);
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@override
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Widget build(BuildContext context) {
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return DropTarget(
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onDragEntered: (_) {
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// Multiple FileDropTarget widgets can be in the tree at the same
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// time. We only want to use the top-most.
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if (ModalRoute.of(context)!.isCurrent) {
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setState(() {
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_hovering = true;
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});
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}
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},
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onDragExited: (_) {
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setState(() {
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_hovering = false;
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});
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},
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onDragDone: (details) async {
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if (ModalRoute.of(context)!.isCurrent) {
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for (final file in details.files) {
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widget.onFileDropped(await file.readAsBytes());
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}
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}
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},
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enable: !isAndroid,
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child: Stack(
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children: [
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widget.child,
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if (_hovering) widget.overlay ?? _buildDefaultOverlay(),
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],
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),
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);
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}
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}
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