51 lines
2 KiB
Dart
51 lines
2 KiB
Dart
import 'package:aves/model/image_entry.dart';
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import 'package:aves/services/android_file_service.dart';
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import 'package:flutter/material.dart';
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mixin PermissionAwareMixin {
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Future<bool> checkStoragePermission(BuildContext context, Iterable<ImageEntry> entries) {
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return checkStoragePermissionForAlbums(context, entries.where((e) => e.path != null).map((e) => e.directory).toSet());
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}
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Future<bool> checkStoragePermissionForAlbums(BuildContext context, Set<String> albumPaths) async {
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while (true) {
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final dirs = await AndroidFileService.getInaccessibleDirectories(albumPaths);
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if (dirs == null) return false;
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if (dirs.isEmpty) return true;
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final dir = dirs.first;
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final volumePath = dir['volumePath'] as String;
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final volumeDescription = dir['volumeDescription'] as String;
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final relativeDir = dir['relativeDir'] as String;
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final dirDisplayName = relativeDir.isEmpty ? 'root' : '“$relativeDir”';
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) {
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return AlertDialog(
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title: Text('Storage Volume Access'),
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content: Text('Please select the $dirDisplayName directory of “$volumeDescription” in the next screen, so that this app can access it and complete your request.'),
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actions: [
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FlatButton(
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onPressed: () => Navigator.pop(context),
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child: Text('Cancel'.toUpperCase()),
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),
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FlatButton(
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onPressed: () => Navigator.pop(context, true),
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child: Text('OK'.toUpperCase()),
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),
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],
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);
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},
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);
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// abort if the user cancels in Flutter
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if (confirmed == null || !confirmed) return false;
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final granted = await AndroidFileService.requestVolumeAccess(volumePath);
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if (!granted) {
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// abort if the user denies access from the native dialog
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return false;
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}
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}
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}
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}
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