sync data using webdav

2025-09-27 07:47:24 +00:00 · 2024-11-10 10:38:46 +08:00
parent a9a22ace14
commit 4f4411fcc3
17 changed files with 542 additions and 49 deletions
--- a/assets/translation.json
+++ b/assets/translation.json
@@ -179,7 +179,13 @@
    "Move To First": "移动到最前",
    "Cancel": "取消",
    "Paused": "已暂停",
-    "Pause": "暂停"
+    "Pause": "暂停",
+    "Operation": "操作",
+    "Upload": "上传",
+    "Saved": "已保存",
+    "Sync Data": "同步数据",
+    "Syncing Data": "正在同步数据",
+    "Data Sync": "数据同步"
  },
  "zh_TW": {
    "Home": "首頁",
@@ -361,6 +367,12 @@
    "Move To First": "移動到最前",
    "Cancel": "取消",
    "Paused": "已暫停",
-    "Pause": "暫停"
+    "Pause": "暫停",
+    "Operation": "操作",
+    "Upload": "上傳",
+    "Saved": "已保存",
+    "Sync Data": "同步數據",
+    "Syncing Data": "正在同步數據",
+    "Data Sync": "數據同步"
  }
 }
--- a/lib/foundation/appdata.dart
+++ b/lib/foundation/appdata.dart
@@ -114,6 +114,8 @@ class _Settings with ChangeNotifier {
    'enableLongPressToZoom': true,
    'checkUpdateOnStart': true,
    'limitImageWidth': true,
+    'webdav': [], // empty means not configured
+    'dataVersion': 0,
  };

  operator [](String key) {
--- a/lib/foundation/favorites.dart
+++ b/lib/foundation/favorites.dart
@@ -1,5 +1,6 @@
 import 'dart:convert';

+import 'package:flutter/foundation.dart';
 import 'package:sqlite3/sqlite3.dart';
 import 'package:venera/foundation/appdata.dart';
 import 'package:venera/foundation/image_provider/local_favorite_image.dart';
@@ -148,7 +149,7 @@ class FavoriteItemWithFolderInfo extends FavoriteItem {
        );
 }

-class LocalFavoritesManager {
+class LocalFavoritesManager with ChangeNotifier {
  factory LocalFavoritesManager() =>
      cache ?? (cache = LocalFavoritesManager._create());

@@ -233,6 +234,7 @@ class LocalFavoritesManager {
        values (?, ?);
      """, [folder, order[folder]]);
    }
+    notifyListeners();
  }

  int count(String folderName) {
@@ -272,6 +274,7 @@ class LocalFavoritesManager {
      set tags = '$tag,' || tags
      where id == ?
    """, [id]);
+    notifyListeners();
  }

  List<FavoriteItemWithFolderInfo> allComics() {
@@ -324,6 +327,7 @@ class LocalFavoritesManager {
        primary key (id, type)
      );
    """);
+    notifyListeners();
    return name;
  }

@@ -386,6 +390,7 @@ class LocalFavoritesManager {
        values (?, ?, ?, ?, ?, ?, ?, ?);
      """, [...params, minValue(folder) - 1]);
    }
+    notifyListeners();
  }

  /// delete a folder
@@ -394,6 +399,7 @@ class LocalFavoritesManager {
    _db.execute("""
      drop table "$name";
    """);
+    notifyListeners();
  }

  void deleteComic(String folder, FavoriteItem comic) {
@@ -408,6 +414,7 @@ class LocalFavoritesManager {
      delete from "$folder"
      where id == ? and type == ?;
    """, [id, type.value]);
+    notifyListeners();
  }

  Future<void> clearAll() async {
@@ -425,6 +432,7 @@ class LocalFavoritesManager {
    for (int i = 0; i < newFolder.length; i++) {
      addComic(folder, newFolder[i], i);
    }
+    notifyListeners();
  }

  void rename(String before, String after) {
@@ -438,6 +446,7 @@ class LocalFavoritesManager {
      ALTER TABLE "$before"
      RENAME TO "$after";
    """);
+    notifyListeners();
  }

  void onReadEnd(String id, ComicType type) async {
@@ -475,6 +484,7 @@ class LocalFavoritesManager {
          """, [newTime, id]);
      }
    }
+    notifyListeners();
  }

  List<FavoriteItemWithFolderInfo> search(String keyword) {
@@ -521,6 +531,7 @@ class LocalFavoritesManager {
        set tags = ?
        where id == ?;
      """, [tags.join(","), id]);
+    notifyListeners();
  }

  final _cachedFavoritedIds = <String, bool>{};
@@ -560,6 +571,7 @@ class LocalFavoritesManager {
      comic.id,
      comic.type.value
    ]);
+    notifyListeners();
  }

  String folderToJson(String folder) {
--- a/lib/foundation/log.dart
+++ b/lib/foundation/log.dart
@@ -82,11 +82,12 @@ class Log {
    addLog(LogLevel.warning, title, content);
  }

-  static error(String title, String content, [Object? stackTrace]) {
+  static error(String title, Object content, [Object? stackTrace]) {
+    var info = content.toString();
    if(stackTrace != null) {
-      content += "\n${stackTrace.toString()}";
+      info += "\n${stackTrace.toString()}";
    }
-    addLog(LogLevel.error, title, content);
+    addLog(LogLevel.error, title, info);
  }

  static void clear() => _logs.clear();
--- a/lib/network/app_dio.dart
+++ b/lib/network/app_dio.dart
@@ -108,11 +108,11 @@ class AppDio with DioMixin {

  AppDio([BaseOptions? options]) {
    this.options = options ?? BaseOptions();
-    interceptors.add(MyLogInterceptor());
    httpClientAdapter = RHttpAdapter(const rhttp.ClientSettings());
    interceptors.add(CookieManagerSql(SingleInstanceCookieJar.instance!));
    interceptors.add(NetworkCacheManager());
    interceptors.add(CloudflareInterceptor());
+    interceptors.add(MyLogInterceptor());
  }

  static HttpClient createHttpClient() {
@@ -211,7 +211,7 @@ class AppDio with DioMixin {
 class RHttpAdapter implements HttpClientAdapter {
  rhttp.ClientSettings settings;

-  RHttpAdapter(this.settings) {
+  RHttpAdapter([this.settings = const rhttp.ClientSettings()]) {
    settings = settings.copyWith(
      redirectSettings: const rhttp.RedirectSettings.limited(5),
      timeoutSettings: const rhttp.TimeoutSettings(
@@ -232,12 +232,6 @@ class RHttpAdapter implements HttpClientAdapter {
    Stream<Uint8List>? requestStream,
    Future<void>? cancelFuture,
  ) async {
-    Log.info(
-      "Network",
-      "${options.method} ${options.uri}\n"
-          "Headers: ${options.headers}\n"
-          "Data: ${options.data}\n",
-    );
    var res = await rhttp.Rhttp.request(
      method: switch (options.method) {
        'GET' => rhttp.HttpMethod.get,
--- a/lib/pages/home_page.dart
+++ b/lib/pages/home_page.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:sliver_tools/sliver_tools.dart';
 import 'package:venera/components/components.dart';
 import 'package:venera/foundation/app.dart';
 import 'package:venera/foundation/comic_source/comic_source.dart';
@@ -17,6 +18,7 @@ import 'package:venera/pages/downloading_page.dart';
 import 'package:venera/pages/history_page.dart';
 import 'package:venera/pages/search_page.dart';
 import 'package:venera/utils/cbz.dart';
+import 'package:venera/utils/data_sync.dart';
 import 'package:venera/utils/ext.dart';
 import 'package:venera/utils/io.dart';
 import 'package:venera/utils/translations.dart';
@@ -32,6 +34,7 @@ class HomePage extends StatelessWidget {
      slivers: [
        SliverPadding(padding: EdgeInsets.only(top: context.padding.top)),
        const _SearchBar(),
+        const _SyncDataWidget(),
        const _History(),
        const _Local(),
        const _ComicSourceWidget(),
@@ -77,6 +80,97 @@ class _SearchBar extends StatelessWidget {
  }
 }

+class _SyncDataWidget extends StatefulWidget {
+  const _SyncDataWidget();
+
+  @override
+  State<_SyncDataWidget> createState() => _SyncDataWidgetState();
+}
+
+class _SyncDataWidgetState extends State<_SyncDataWidget> {
+  @override
+  void initState() {
+    super.initState();
+    DataSync().addListener(update);
+  }
+
+  void update() {
+    if(mounted) {
+      setState(() {});
+    }
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    DataSync().removeListener(update);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    Widget child;
+    if(!DataSync().isEnabled) {
+      child = const SliverPadding(padding: EdgeInsets.zero);
+    } else if (DataSync().isUploading || DataSync().isDownloading) {
+      child = SliverToBoxAdapter(
+        child: Container(
+          margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
+          decoration: BoxDecoration(
+            border: Border.all(
+              color: Theme.of(context).colorScheme.primary,
+            ),
+            borderRadius: BorderRadius.circular(8),
+          ),
+          child: ListTile(
+            leading: const Icon(Icons.sync),
+            title: Text('Syncing Data'.tl),
+            trailing: const CircularProgressIndicator(strokeWidth: 2)
+                .fixWidth(18)
+                .fixHeight(18),
+          ),
+        ),
+      );
+    } else {
+      child = SliverToBoxAdapter(
+        child: Container(
+          margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
+          decoration: BoxDecoration(
+            border: Border.all(
+              color: Theme.of(context).colorScheme.outlineVariant,
+            ),
+            borderRadius: BorderRadius.circular(8),
+          ),
+          child: ListTile(
+            leading: const Icon(Icons.sync),
+            title: Text('Sync Data'.tl),
+            trailing: Row(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                IconButton(
+                  icon: const Icon(Icons.cloud_upload_outlined),
+                  onPressed: () async {
+                    DataSync().uploadData();
+                  }
+                ),
+                IconButton(
+                  icon: const Icon(Icons.cloud_download_outlined),
+                  onPressed: () async {
+                    DataSync().downloadData();
+                  }
+                ),
+              ],
+            ),
+          ),
+        ),
+      );
+    }
+    return SliverAnimatedPaintExtent(
+      duration: const Duration(milliseconds: 200),
+      child: child,
+    );
+  }
+}
+
 class _History extends StatefulWidget {
  const _History();

@@ -529,7 +623,9 @@ class _ImportComicsWidgetState extends State<_ImportComicsWidget> {
        await xFile!.saveTo(cache);
        var comic = await CBZ.import(File(cache));
        if (selectedFolder != null) {
-          LocalFavoritesManager().addComic(selectedFolder!, FavoriteItem(
+          LocalFavoritesManager().addComic(
+              selectedFolder!,
+              FavoriteItem(
                id: comic.id,
                name: comic.title,
                coverPath: comic.cover,
@@ -610,7 +706,9 @@ class _ImportComicsWidgetState extends State<_ImportComicsWidget> {
    for (var comic in comics.values) {
      LocalManager().add(comic, LocalManager().findValidId(ComicType.local));
      if (selectedFolder != null) {
-        LocalFavoritesManager().addComic(selectedFolder!, FavoriteItem(
+        LocalFavoritesManager().addComic(
+            selectedFolder!,
+            FavoriteItem(
              id: comic.id,
              name: comic.title,
              coverPath: comic.cover,
--- a/lib/pages/settings/app.dart
+++ b/lib/pages/settings/app.dart
@@ -78,8 +78,7 @@ class _AppSettingsState extends State<AppSettings> {
                appdata.settings['cacheSize'] = int.parse(value);
                appdata.saveData();
                setState(() {});
-                CacheManager()
-                    .setLimitSize(appdata.settings['cacheSize']);
+                CacheManager().setLimitSize(appdata.settings['cacheSize']);
                return null;
              },
            );
@@ -106,8 +105,7 @@ class _AppSettingsState extends State<AppSettings> {
              await file.saveTo(cacheFile.path);
              try {
                await importAppData(cacheFile);
-              }
-              catch(e, s) {
+              } catch (e, s) {
                Log.error("Import data", e.toString(), s);
                context.showMessage(message: "Failed to import data".tl);
              }
@@ -116,6 +114,13 @@ class _AppSettingsState extends State<AppSettings> {
          },
          actionTitle: 'Import'.tl,
        ).toSliver(),
+        _CallbackSetting(
+          title: "Data Sync".tl,
+          callback: () async {
+            showPopUpWidget(context, const _WebdavSetting());
+          },
+          actionTitle: 'Set'.tl,
+        ).toSliver(),
        _SettingPartTitle(
          title: "Log".tl,
          icon: Icons.error_outline,
@@ -271,3 +276,129 @@ class _LogsPageState extends State<LogsPage> {
    saveFile(data: utf8.encode(log), filename: 'log.txt');
  }
 }
+
+class _WebdavSetting extends StatefulWidget {
+  const _WebdavSetting();
+
+  @override
+  State<_WebdavSetting> createState() => _WebdavSettingState();
+}
+
+class _WebdavSettingState extends State<_WebdavSetting> {
+  String url = "";
+  String user = "";
+  String pass = "";
+
+  bool isTesting = false;
+
+  bool upload = true;
+
+  @override
+  void initState() {
+    super.initState();
+    if (appdata.settings['webdav'] is! List) {
+      appdata.settings['webdav'] = [];
+    }
+    var configs = appdata.settings['webdav'] as List;
+    if (configs.whereType<String>().length != 3) {
+      return;
+    }
+    url = configs[0];
+    user = configs[1];
+    pass = configs[2];
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return PopUpWidgetScaffold(
+      title: "Webdav",
+      body: SingleChildScrollView(
+        child: Column(
+          children: [
+            const SizedBox(height: 12),
+            TextField(
+              decoration: const InputDecoration(
+                labelText: "URL",
+                border: OutlineInputBorder(),
+              ),
+              controller: TextEditingController(text: url),
+              onChanged: (value) => url = value,
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              decoration: InputDecoration(
+                labelText: "Username".tl,
+                border: const OutlineInputBorder(),
+              ),
+              controller: TextEditingController(text: user),
+              onChanged: (value) => user = value,
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              decoration: InputDecoration(
+                labelText: "Password".tl,
+                border: const OutlineInputBorder(),
+              ),
+              controller: TextEditingController(text: pass),
+              onChanged: (value) => pass = value,
+            ),
+            const SizedBox(height: 12),
+            Row(
+              children: [
+                Text("Operation".tl),
+                Radio<bool>(
+                  groupValue: upload,
+                  value: true,
+                  onChanged: (value) {
+                    setState(() {
+                      upload = value!;
+                    });
+                  },
+                ),
+                Text("Upload".tl),
+                Radio<bool>(
+                  groupValue: upload,
+                  value: false,
+                  onChanged: (value) {
+                    setState(() {
+                      upload = value!;
+                    });
+                  },
+                ),
+                Text("Download".tl),
+              ],
+            ),
+            const SizedBox(height: 16),
+            Center(
+              child: Button.filled(
+                isLoading: isTesting,
+                onPressed: () async {
+                  var oldConfig = appdata.settings['webdav'];
+                  appdata.settings['webdav'] = [url, user, pass];
+                  setState(() {
+                    isTesting = true;
+                  });
+                  var testResult = upload
+                      ? await DataSync().uploadData()
+                      : await DataSync().downloadData();
+                  if (testResult.error) {
+                    setState(() {
+                      isTesting = false;
+                    });
+                    appdata.settings['webdav'] = oldConfig;
+                    context.showMessage(message: testResult.errorMessage!);
+                    return;
+                  }
+                  appdata.saveData();
+                  context.showMessage(message: "Saved".tl);
+                  App.rootPop();
+                },
+                child: Text("Continue".tl),
+              ),
+            )
+          ],
+        ).paddingHorizontal(16),
+      ),
+    );
+  }
+}
--- a/lib/pages/settings/settings_page.dart
+++ b/lib/pages/settings/settings_page.dart
@@ -15,6 +15,7 @@ import 'package:venera/foundation/local.dart';
 import 'package:venera/foundation/log.dart';
 import 'package:venera/network/app_dio.dart';
 import 'package:venera/utils/data.dart';
+import 'package:venera/utils/data_sync.dart';
 import 'package:venera/utils/io.dart';
 import 'package:venera/utils/translations.dart';
 import 'package:yaml/yaml.dart';
--- a/lib/utils/data.dart
+++ b/lib/utils/data.dart
@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:isolate';

 import 'package:venera/foundation/app.dart';
@@ -35,7 +36,7 @@ Future<File> exportAppData() async {
  return cacheFile;
 }

-Future<void> importAppData(File file) async {
+Future<void> importAppData(File file, [bool checkVersion = false]) async {
  var cacheDirPath = FilePath.join(App.cachePath, 'temp_data');
  var cacheDir = Directory(cacheDirPath);
  await Isolate.run(() {
@@ -44,14 +45,21 @@ Future<void> importAppData(File file) async {
  var historyFile = cacheDir.joinFile("history.db");
  var localFavoriteFile = cacheDir.joinFile("local_favorite.db");
  var appdataFile = cacheDir.joinFile("appdata.json");
+  if(checkVersion && appdataFile.existsSync()) {
+    var data = jsonDecode(await appdataFile.readAsString());
+    var version = data["settings"]["dataVersion"];
+    if(version is int && version <= appdata.settings["dataVersion"]) {
+      return;
+    }
+  }
  if(await historyFile.exists()) {
    HistoryManager().close();
-    await historyFile.copy(FilePath.join(App.dataPath, "history.db"));
+    historyFile.copySync(FilePath.join(App.dataPath, "history.db"));
    HistoryManager().init();
  }
  if(await localFavoriteFile.exists()) {
    LocalFavoritesManager().close();
-    await localFavoriteFile.copy(FilePath.join(App.dataPath, "local_favorite.db"));
+    localFavoriteFile.copySync(FilePath.join(App.dataPath, "local_favorite.db"));
    LocalFavoritesManager().init();
  }
  if(await appdataFile.exists()) {
--- a/lib/utils/data_sync.dart
+++ b/lib/utils/data_sync.dart
@@ -0,0 +1,205 @@
+import 'package:dio/io.dart';
+import 'package:flutter/foundation.dart';
+import 'package:venera/foundation/app.dart';
+import 'package:venera/foundation/appdata.dart';
+import 'package:venera/foundation/comic_source/comic_source.dart';
+import 'package:venera/foundation/favorites.dart';
+import 'package:venera/foundation/history.dart';
+import 'package:venera/foundation/log.dart';
+import 'package:venera/foundation/res.dart';
+import 'package:venera/network/app_dio.dart';
+import 'package:venera/utils/data.dart';
+import 'package:venera/utils/ext.dart';
+import 'package:webdav_client/webdav_client.dart' hide File;
+
+import 'io.dart';
+
+class DataSync with ChangeNotifier {
+  DataSync._() {
+    if (isEnabled) {
+      downloadData();
+    }
+    HistoryManager().addListener(onDataChanged);
+    LocalFavoritesManager().addListener(onDataChanged);
+    ComicSource.addListener(onDataChanged);
+  }
+
+  void onDataChanged() {
+    if (isEnabled) {
+      uploadData();
+    }
+  }
+
+  static DataSync? instance;
+
+  factory DataSync() => instance ?? (instance = DataSync._());
+
+  bool isDownloading = false;
+
+  bool isUploading = false;
+
+  bool haveWaitingTask = false;
+
+  bool get isEnabled {
+    var config = appdata.settings['webdav'];
+    return config is List && config.isNotEmpty;
+  }
+
+  List<String>? _validateConfig() {
+    var config = appdata.settings['webdav'];
+    if (config is! List || (config.isNotEmpty && config.length != 3)) {
+      return null;
+    }
+    if (config.whereType<String>().length != 3) {
+      return null;
+    }
+    return List.from(config);
+  }
+
+  Future<Res<bool>> uploadData() async {
+    if (haveWaitingTask) return const Res(true);
+    while (isDownloading || isUploading) {
+      haveWaitingTask = true;
+      await Future.delayed(const Duration(milliseconds: 100));
+    }
+    haveWaitingTask = false;
+    isUploading = true;
+    notifyListeners();
+    try {
+      var config = _validateConfig();
+      if (config == null) {
+        return const Res.error('Invalid WebDAV configuration');
+      }
+      if (config.isEmpty) {
+        return const Res(true);
+      }
+      String url = config[0];
+      String user = config[1];
+      String pass = config[2];
+
+      var proxy = await AppDio.getProxy();
+
+      var client = newClient(
+        url,
+        user: user,
+        password: pass,
+        adapter: IOHttpClientAdapter(
+          createHttpClient: () {
+            return HttpClient()
+              ..findProxy = (uri) => proxy == null ? "DIRECT" : "PROXY $proxy";
+          },
+        ),
+      );
+
+      try {
+        await client.ping();
+      } catch (e) {
+        Log.error("Upload Data", 'Failed to connect to WebDAV server');
+        return const Res.error('Failed to connect to WebDAV server');
+      }
+
+      try {
+        appdata.settings['dataVersion']++;
+        await appdata.saveData();
+        var data = await exportAppData();
+        var time =
+            (DateTime.now().millisecondsSinceEpoch ~/ 86400000).toString();
+        var filename = time;
+        filename += '-';
+        filename += appdata.settings['dataVersion'].toString();
+        filename += '.venera';
+        var files = await client.readDir('/');
+        files = files.where((e) => e.name!.endsWith('.venera')).toList();
+        var old = files.firstWhereOrNull( (e) => e.name!.startsWith("$time-"));
+        if (old != null) {
+          await client.remove(old.name!);
+        }
+        if (files.length >= 10) {
+          files.sort((a, b) => a.name!.compareTo(b.name!));
+          await client.remove(files.first.name!);
+        }
+        await client.write(filename, await data.readAsBytes());
+        Log.info("Upload Data", "Data uploaded successfully");
+        return const Res(true);
+      } catch (e, s) {
+        Log.error("Upload Data", e, s);
+        return Res.error(e.toString());
+      }
+    } finally {
+      isUploading = false;
+      notifyListeners();
+    }
+  }
+
+  Future<Res<bool>> downloadData() async {
+    if (haveWaitingTask) return const Res(true);
+    while (isDownloading || isUploading) {
+      haveWaitingTask = true;
+      await Future.delayed(const Duration(milliseconds: 100));
+    }
+    haveWaitingTask = false;
+    isDownloading = true;
+    notifyListeners();
+    try {
+      var config = _validateConfig();
+      if (config == null) {
+        return const Res.error('Invalid WebDAV configuration');
+      }
+      if (config.isEmpty) {
+        return const Res(true);
+      }
+      String url = config[0];
+      String user = config[1];
+      String pass = config[2];
+
+      var proxy = await AppDio.getProxy();
+
+      var client = newClient(
+        url,
+        user: user,
+        password: pass,
+        adapter: IOHttpClientAdapter(
+          createHttpClient: () {
+            return HttpClient()
+              ..findProxy = (uri) => proxy == null ? "DIRECT" : "PROXY $proxy";
+          },
+        ),
+      );
+
+      try {
+        await client.ping();
+      } catch (e) {
+        Log.error("Data Sync", 'Failed to connect to WebDAV server');
+        return const Res.error('Failed to connect to WebDAV server');
+      }
+
+      try {
+        var files = await client.readDir('/');
+        files.sort((a, b) => b.name!.compareTo(a.name!));
+        var file = files.firstWhereOrNull((e) => e.name!.endsWith('.venera'));
+        var version =
+            file!.name!.split('-').elementAtOrNull(1)?.split('.').first;
+        if (version != null && int.tryParse(version) != null) {
+          var currentVersion = appdata.settings['dataVersion'];
+          if (currentVersion != null && int.parse(version) <= currentVersion) {
+            Log.info("Data Sync", 'No new data to download');
+            return const Res(true);
+          }
+        }
+        Log.info("Data Sync", "Downloading data from WebDAV server");
+        var localFile = File(FilePath.join(App.cachePath, file.name!));
+        await client.read2File(file.name!, localFile.path);
+        await importAppData(localFile, true);
+        await localFile.delete();
+        Log.info("Data Sync", "Data downloaded successfully");
+        return const Res(true);
+      } catch (e, s) {
+        Log.error("Data Sync", e, s);
+        return Res.error(e.toString());
+      }
+    } finally {
+      isDownloading = false;
+      notifyListeners();
+    }
+  }
+}
--- a/linux/flutter/generated_plugin_registrant.cc
+++ b/linux/flutter/generated_plugin_registrant.cc
@@ -10,7 +10,7 @@
 #include <file_selector_linux/file_selector_plugin.h>
 #include <flutter_qjs/flutter_qjs_plugin.h>
 #include <gtk/gtk_plugin.h>
-#include <screen_retriever/screen_retriever_plugin.h>
+#include <screen_retriever_linux/screen_retriever_linux_plugin.h>
 #include <sqlite3_flutter_libs/sqlite3_flutter_libs_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 #include <window_manager/window_manager_plugin.h>
@@ -28,9 +28,9 @@ void fl_register_plugins(FlPluginRegistry* registry) {
  g_autoptr(FlPluginRegistrar) gtk_registrar =
      fl_plugin_registry_get_registrar_for_plugin(registry, "GtkPlugin");
  gtk_plugin_register_with_registrar(gtk_registrar);
-  g_autoptr(FlPluginRegistrar) screen_retriever_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverPlugin");
-  screen_retriever_plugin_register_with_registrar(screen_retriever_registrar);
+  g_autoptr(FlPluginRegistrar) screen_retriever_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverLinuxPlugin");
+  screen_retriever_linux_plugin_register_with_registrar(screen_retriever_linux_registrar);
  g_autoptr(FlPluginRegistrar) sqlite3_flutter_libs_registrar =
      fl_plugin_registry_get_registrar_for_plugin(registry, "Sqlite3FlutterLibsPlugin");
  sqlite3_flutter_libs_plugin_register_with_registrar(sqlite3_flutter_libs_registrar);
--- a/linux/flutter/generated_plugins.cmake
+++ b/linux/flutter/generated_plugins.cmake
@@ -7,7 +7,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
  file_selector_linux
  flutter_qjs
  gtk
-  screen_retriever
+  screen_retriever_linux
  sqlite3_flutter_libs
  url_launcher_linux
  window_manager
--- a/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -10,7 +10,7 @@ import desktop_webview_window
 import file_selector_macos
 import flutter_inappwebview_macos
 import path_provider_foundation
-import screen_retriever
+import screen_retriever_macos
 import share_plus
 import sqlite3_flutter_libs
 import url_launcher_macos
@@ -22,7 +22,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
  FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
  InAppWebViewFlutterPlugin.register(with: registry.registrar(forPlugin: "InAppWebViewFlutterPlugin"))
  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
-  ScreenRetrieverPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverPlugin"))
+  ScreenRetrieverMacosPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverMacosPlugin"))
  SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
  Sqlite3FlutterLibsPlugin.register(with: registry.registrar(forPlugin: "Sqlite3FlutterLibsPlugin"))
  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -593,6 +593,14 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: c15605cd28af66339f8eb6fbe0e541bfe2d1b72d5825efc6598f3e0a31b9ad27
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.0.2"
  photo_view:
    dependency: "direct main"
    description:
@@ -888,6 +896,15 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "1.1.0"
+  webdav_client:
+    dependency: "direct main"
+    description:
+      path: "."
+      ref: "285f87f15bccd2d5d5ff443761348c6ee47b98d1"
+      resolved-ref: "285f87f15bccd2d5d5ff443761348c6ee47b98d1"
+      url: "https://github.com/wgh136/webdav_client"
+    source: git
+    version: "1.2.2"
  win32:
    dependency: transitive
    description:
@@ -912,6 +929,14 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "1.0.4"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: b015a8ad1c488f66851d762d3090a21c600e479dc75e68328c52774040cf9226
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.5.0"
  yaml:
    dependency: "direct main"
    description:
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -59,6 +59,10 @@ dependencies:
      url: https://github.com/venera-app/lodepng_flutter
      ref: d1c96cd6503103b3270dfe2f320d4a1c93780f53
  rhttp: 0.9.1
+  webdav_client:
+    git:
+      url: https://github.com/wgh136/webdav_client
+      ref: 285f87f15bccd2d5d5ff443761348c6ee47b98d1

 dev_dependencies:
  flutter_test:
--- a/windows/flutter/generated_plugin_registrant.cc
+++ b/windows/flutter/generated_plugin_registrant.cc
@@ -11,7 +11,7 @@
 #include <file_selector_windows/file_selector_windows.h>
 #include <flutter_inappwebview_windows/flutter_inappwebview_windows_plugin_c_api.h>
 #include <flutter_qjs/flutter_qjs_plugin.h>
-#include <screen_retriever/screen_retriever_plugin.h>
+#include <screen_retriever_windows/screen_retriever_windows_plugin_c_api.h>
 #include <share_plus/share_plus_windows_plugin_c_api.h>
 #include <sqlite3_flutter_libs/sqlite3_flutter_libs_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
@@ -28,8 +28,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
      registry->GetRegistrarForPlugin("FlutterInappwebviewWindowsPluginCApi"));
  FlutterQjsPluginRegisterWithRegistrar(
      registry->GetRegistrarForPlugin("FlutterQjsPlugin"));
-  ScreenRetrieverPluginRegisterWithRegistrar(
-      registry->GetRegistrarForPlugin("ScreenRetrieverPlugin"));
+  ScreenRetrieverWindowsPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("ScreenRetrieverWindowsPluginCApi"));
  SharePlusWindowsPluginCApiRegisterWithRegistrar(
      registry->GetRegistrarForPlugin("SharePlusWindowsPluginCApi"));
  Sqlite3FlutterLibsPluginRegisterWithRegistrar(
--- a/windows/flutter/generated_plugins.cmake
+++ b/windows/flutter/generated_plugins.cmake
@@ -8,7 +8,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
  file_selector_windows
  flutter_inappwebview_windows
  flutter_qjs
-  screen_retriever
+  screen_retriever_windows
  share_plus
  sqlite3_flutter_libs
  url_launcher_windows