feat: add video batch upload queue

2026-05-29 16:17:26 +08:00
parent 1c971fb0b2
commit aa89e03bee
9 changed files with 1046 additions and 0 deletions
@@ -0,0 +1,95 @@
+import 'dart:async';
+
+import 'package:flutter/widgets.dart';
+
+import 'video_batch_upload_config.dart';
+import 'video_batch_upload_panel.dart';
+import 'video_batch_upload_queue.dart';
+import 'video_batch_upload_task.dart';
+
+typedef VideoBatchUploadCallback = FutureOr<void> Function();
+
+class VideoBatchUploader {
+  VideoBatchUploader({
+    required BuildContext? Function() contextProvider,
+    required VideoBatchUploadUploadTask uploadTask,
+    required VideoBatchUploadSaveTask saveTask,
+    VoidCallback? onChanged,
+    VideoBatchUploadCallback? onCompleted,
+    int? maxAssets,
+    int? maxConcurrent,
+  })  : _contextProvider = contextProvider,
+        _onChanged = onChanged {
+    queue = VideoBatchUploadQueue(
+      contextProvider: contextProvider,
+      uploadTask: uploadTask,
+      saveTask: saveTask,
+      onChanged: _handleChanged,
+      onCompleted: onCompleted,
+      maxAssets: maxAssets ?? VideoBatchUploadConfig.maxAssets,
+      maxConcurrent: maxConcurrent ?? VideoBatchUploadConfig.maxConcurrent,
+    );
+  }
+
+  final BuildContext? Function() _contextProvider;
+  final VoidCallback? _onChanged;
+  late final VideoBatchUploadQueue queue;
+  OverlayEntry? _overlayEntry;
+
+  bool get hasActiveUploads => queue.hasActiveUploads;
+
+  Future<void> start() async {
+    await queue.pickAndStart();
+  }
+
+  void requestExit({required VoidCallback onExit}) {
+    queue.requestExit(onExit: onExit);
+  }
+
+  void clear() {
+    queue.clear();
+    _syncOverlay();
+  }
+
+  void dispose() {
+    queue.dispose();
+    _removeOverlay();
+  }
+
+  void _handleChanged() {
+    _syncOverlay();
+    _overlayEntry?.markNeedsBuild();
+    _onChanged?.call();
+  }
+
+  void _syncOverlay() {
+    if (queue.hasTasks) {
+      _insertOverlayIfNeeded();
+      return;
+    }
+    _removeOverlay();
+  }
+
+  void _insertOverlayIfNeeded() {
+    if (_overlayEntry != null) {
+      return;
+    }
+    final BuildContext? context = _contextProvider();
+    if (context == null || !context.mounted) {
+      return;
+    }
+    final OverlayState? overlay = Overlay.maybeOf(context);
+    if (overlay == null) {
+      return;
+    }
+    _overlayEntry = OverlayEntry(
+      builder: (_) => VideoBatchUploadPanel(queue: queue),
+    );
+    overlay.insert(_overlayEntry!);
+  }
+
+  void _removeOverlay() {
+    _overlayEntry?.remove();
+    _overlayEntry = null;
+  }
+}