mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-11-29 12:22:52 +03:00
81 lines
2.7 KiB
Dart
81 lines
2.7 KiB
Dart
/*
|
|
* Copyright (C) 2023 Yubico.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
import 'dart:developer';
|
|
import 'dart:io';
|
|
|
|
import 'package:flutter/foundation.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter_riverpod/flutter_riverpod.dart';
|
|
import 'package:logging/logging.dart';
|
|
import 'package:path/path.dart';
|
|
import 'package:vector_graphics/vector_graphics.dart';
|
|
import 'package:vector_graphics_compiler/vector_graphics_compiler.dart';
|
|
import 'package:yubico_authenticator/app/logging.dart';
|
|
|
|
import 'icon_cache.dart';
|
|
|
|
final _log = Logger('icon_file_loader');
|
|
|
|
class IconFileLoader extends BytesLoader {
|
|
final WidgetRef _ref;
|
|
final File _file;
|
|
|
|
const IconFileLoader(this._ref, this._file);
|
|
|
|
@override
|
|
Future<ByteData> loadBytes(BuildContext? context) async {
|
|
final cacheFileName = basename(_file.path);
|
|
|
|
final memCache = _ref.read(iconCacheProvider).memCache;
|
|
|
|
// check if the requested file exists in memory cache
|
|
var cachedData = memCache.read(cacheFileName);
|
|
if (cachedData != null) {
|
|
_log.debug('Returning $cacheFileName image data from memory cache');
|
|
return cachedData;
|
|
}
|
|
|
|
final fsCache = _ref.read(iconCacheProvider).fsCache;
|
|
|
|
// check if the requested file exists in fs cache
|
|
cachedData = await fsCache.read(cacheFileName);
|
|
if (cachedData != null) {
|
|
memCache.write(cacheFileName, cachedData.buffer.asUint8List());
|
|
_log.debug('Returning $cacheFileName image data from fs cache');
|
|
return cachedData;
|
|
}
|
|
|
|
final decodedData = await compute((File file) async {
|
|
final fileData = await file.readAsString();
|
|
final TimelineTask task = TimelineTask()..start('encodeSvg');
|
|
final Uint8List compiledBytes = encodeSvg(
|
|
xml: fileData,
|
|
debugName: file.path,
|
|
enableClippingOptimizer: false,
|
|
enableMaskingOptimizer: false,
|
|
enableOverdrawOptimizer: false,
|
|
);
|
|
task.finish();
|
|
// for testing try: await Future.delayed(const Duration(seconds: 5));
|
|
return compiledBytes;
|
|
}, _file, debugLabel: 'Process SVG data');
|
|
|
|
memCache.write(cacheFileName, decodedData);
|
|
await fsCache.write(cacheFileName, decodedData);
|
|
return decodedData.buffer.asByteData();
|
|
}
|
|
} |