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Improve image loading

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nyne
2025-01-16 17:51:43 +08:00
parent 5d1d62e157
commit c640e6bfbf
13 changed files with 144 additions and 35 deletions
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6
lib/foundation/image_provider/cached_image.dart
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@@ -1,4 +1,4 @@
import 'dart:async' show Future, StreamController;
import 'dart:async' show Future;
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:venera/network/images.dart';
@@ -26,9 +26,10 @@ class CachedImageProvider
static const _kMaxLoadingCount = 8;
@override
Future<Uint8List> load(StreamController<ImageChunkEvent> chunkEvents) async {
Future<Uint8List> load(chunkEvents, checkStop) async {
while(loadingCount > _kMaxLoadingCount) {
await Future.delayed(const Duration(milliseconds: 100));
checkStop();
}
loadingCount++;
try {
@@ -37,6 +38,7 @@ class CachedImageProvider
return file.readAsBytes();
}
await for (var progress in ImageDownloader.loadThumbnail(url, sourceKey, cid)) {
checkStop();
chunkEvents.add(ImageChunkEvent(
cumulativeBytesLoaded: progress.currentBytes,
expectedTotalBytes: progress.totalBytes,