初始化

2026-09-15 15:44:13 +07:00
commit a23ba685e9
1065 changed files with 101122 additions and 0 deletions
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+// ignore_for_file: unnecessary_null_comparison, unused_element
+
+import 'dart:io';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_cache_manager/flutter_cache_manager.dart'
+    show DefaultCacheManager;
+import 'package:hgdj/tools_base/image/image_data_handle/image_cache_disk.dart';
+import 'package:hgdj/tools_base/image/image_data_handle/image_manager.dart';
+import 'package:hgdj/tools_base/video_download/video_download_manager.dart';
+import 'package:path/path.dart' as path;
+import 'package:path_provider/path_provider.dart';
+
+import '../../hj_utils/file_util.dart';
+import '../../hj_utils/video_cache_manager.dart';
+import 'image_cache_manager.dart';
+
+///加载缓存 统计缓存大小
+Future<String> loadCache() async {
+  double total = 0;
+  Directory videoCacheDir =
+      Directory(await VideoCacheManager().getFilePath() ?? '');
+  if (await videoCacheDir.exists()) {
+    total += await _getTotalSizeOfFilesInDir(videoCacheDir);
+  }
+  Directory videoLoadedDir =
+      Directory(await VideoDownloadManager.instance.cacheDir());
+  if (await videoLoadedDir.exists()) {
+    total += await _getTotalSizeOfFilesInDir(videoLoadedDir);
+  }
+
+  // 图片磁盘缓存(ImageCacheDisk)
+  Directory imageDiskCacheDir = Directory(await ImageCacheDisk.findSavePath());
+  if (await imageDiskCacheDir.exists()) {
+    total += await _getTotalSizeOfFilesInDir(imageDiskCacheDir);
+  }
+
+  // CachedNetworkImage 缓存(ImageCacheManager)
+  Directory imageCacheDir = Directory(await ImageCacheManager().getFilePath());
+  if (await imageCacheDir.exists()) {
+    total += await _getTotalSizeOfFilesInDir(imageCacheDir);
+  }
+
+  // NetworkImageLoader 在 encrypt:false 时(直播封面)走 DefaultCacheManager，目录单独统计
+  Directory defaultImageCacheDir = Directory(await _defaultImageCacheDirPath());
+  if (await defaultImageCacheDir.exists()) {
+    total += await _getTotalSizeOfFilesInDir(defaultImageCacheDir);
+  }
+
+  return FileUtil.byteFmt(total.toInt());
+}
+
+/// DefaultCacheManager 的磁盘目录：临时目录下的 'libCachedImageData'(flutter_cache_manager 默认 key)
+Future<String> _defaultImageCacheDirPath() async {
+  final dir = await getTemporaryDirectory();
+  return path.join(dir.path, 'libCachedImageData');
+}
+
+Future<double> _getTotalSizeOfFilesInDir(final FileSystemEntity file) async {
+  try {
+    if (file is File) {
+      return (await file.length()).toDouble();
+    }
+    if (file is Directory && await file.exists()) {
+      double total = 0;
+      // recursive 已一次性列出所有后代文件，只累加 File 即可；不再对子目录二次递归，
+      // 避免同一文件被重复计入导致缓存大小翻倍。异步 list 替代 listSync，避免大目录阻塞 UI。
+      await for (final child
+          in file.list(recursive: true, followLinks: false)) {
+        if (child is File) {
+          total += (await child.length()).toDouble();
+        }
+      }
+      return total;
+    }
+  } catch (e) {
+    return 0;
+  }
+  return 0;
+}
+
+// 手动清理缓存
+Future handleClearAllCache() async {
+  await VideoDownloadManager.instance.emptyCache();
+  await ImageCacheDisk.emptyCache();
+  await VideoCacheManager().emptyCache();
+  await ImageCacheManager().emptyCache();
+  await DefaultCacheManager().emptyCache(); // 直播封面(encrypt:false)走的默认缓存
+}
+
+/// 清除缓存如果必要
+/// [force] 强至清除
+Future clearCacheIfNeed({bool force = false, bool isHandle = false}) async {
+  if (force) {
+    await VideoCacheManager().emptyCache();
+    // await VideoSubCacheManager().emptyCache();
+    // CachedVideoStore().clean();
+    await ImageCacheManager().emptyCache();
+    if (isHandle) {
+      //await VideoDownloadManager.instance.emptyCache();
+      // await ImageCacheDisk.emptyCache();
+    }
+    debugPrint(
+        " ------------------ VideoCacheManager  ImageCacheManager    clear completely");
+  } else {
+    double total = 0;
+    Directory videoCacheDir =
+        Directory(await VideoCacheManager().getFilePath() ?? '');
+    if (await videoCacheDir.exists()) {
+      total += await _getTotalSizeOfFilesInDir(videoCacheDir);
+    }
+    //ts流最大2M，应该是>1000个ts流
+    if (total > 500 * MB_SIZE) {
+      await VideoCacheManager().emptyCache();
+    }
+    total = 0;
+    Directory imageCacheDir =
+        Directory(await ImageCacheManager().getFilePath());
+    if (await imageCacheDir.exists()) {
+      total += await _getTotalSizeOfFilesInDir(imageCacheDir);
+    }
+    //按照100Kb一张图片的化，估计是5000张网络图片
+    if (total > 500 * MB_SIZE) {
+      await ImageCacheManager().emptyCache();
+    }
+  }
+}
+
+clearAllCache(bool isHandle) async {
+  //await clearCacheIfNeed(force: true,isHandle: isHandle);
+
+  ImageManager.instance.clearBySize(maxSize: 1000);
+  PaintingBinding.instance.imageCache.clear();
+  PaintingBinding.instance.imageCache.clearLiveImages();
+
+  debugPrint(
+      " ----------- PaintingBinding.instance.imageCache.clearLiveImages()");
+}
+
+///递归方式删除目录
+Future<Null> delDir(FileSystemEntity file) async {
+  try {
+    if (file is Directory) {
+      final List<FileSystemEntity> children = file.listSync();
+      for (final FileSystemEntity child in children) {
+        await delDir(child);
+      }
+    }
+    await file.delete();
+  } catch (e) {}
+}