71 lines
1.6 KiB
Dart
71 lines
1.6 KiB
Dart
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import 'dart:typed_data';
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import 'package:archive/archive.dart';
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import 'package:flutter/services.dart';
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class AudioCache {
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// Filename, bytes
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Map<String, Uint8List> _audioCache = {};
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List<String> get keys {
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return _audioCache.keys.toList();
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}
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Uint8List operator [](String key) {
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return _audioCache[key]!;
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}
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}
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class AnnouncementCache extends AudioCache {
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String _assetLocation = "assets/ibus_recordings.zip";
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Future<void> loadAnnouncements(List<String> Announcements) async {
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final bytes = await rootBundle.load(_assetLocation);
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final archive = ZipDecoder().decodeBytes(bytes.buffer.asUint8List());
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for (final file in archive) {
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String filename = file.name;
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if (filename.contains("/")) {
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filename = filename.split("/").last;
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}
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if (Announcements.contains(filename)) {
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_audioCache[filename] = file.content;
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print("Loaded announcement: ${filename}");
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}
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}
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}
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Future<void> loadAllAnnouncements() async {
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print("Loading all announcements.");
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final bytes = await rootBundle.load(_assetLocation);
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final archive = ZipDecoder().decodeBytes(bytes.buffer.asUint8List());
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print("Done decoding zip file.");
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print("Number of files: ${archive.length}");
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for (final file in archive) {
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if (file.isFile == false) {
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continue;
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}
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String filename = file.name;
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if (filename.contains("/")) {
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filename = filename.split("/").last;
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}
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_audioCache[filename] = file.content;
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}
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print("Done loading all announcements.");
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}
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} |