ElectronicAssistant/lib/module/talk/mindview/controller.dart

import 'dart:io';
import 'dart:typed_data';

import 'package:dsbridge_flutter/dsbridge_flutter.dart';
import 'package:electronic_assistant/base/base_controller.dart';
import 'package:electronic_assistant/module/talk/mindview/js_api.dart';
import 'package:webview_flutter/webview_flutter.dart';
import 'package:webview_flutter_wkwebview/webview_flutter_wkwebview.dart';
import 'package:path_provider/path_provider.dart';

class MindViewController extends BaseController {
  late final DWebViewController webViewController;

  @override
  void onInit() {
    super.onInit();
    late final PlatformWebViewControllerCreationParams params;
    if (WebViewPlatform.instance is WebKitWebViewPlatform) {
      params = WebKitWebViewControllerCreationParams(
        allowsInlineMediaPlayback: true,
        mediaTypesRequiringUserAction: const <PlaybackMediaTypes>{},
      );
    } else {
      params = const PlatformWebViewControllerCreationParams();
    }
    webViewController = DWebViewController.fromPlatformCreationParams(params);
    webViewController.setJavaScriptMode(JavaScriptMode.unrestricted);
    webViewController.enableZoom(false);
    webViewController.loadRequest(Uri.parse('http://192.168.10.144:9528'));

    Future.delayed(const Duration(seconds: 3), () {
      webViewController.callHandler(JsMindApi.functionToJsExport,
          args: ['test'], handler: (value) {
        saveToFile(value);
      });
    });
  }

  Future<void> saveToFile(dynamic data) async {
    Uint8List? bytes = convertMapToUint8List(data);
    if (bytes == null) {
      return;
    }
    final directory = await getApplicationDocumentsDirectory();
    final file = File('${directory.path}/output_file.png');
    await file.writeAsBytes(bytes);
  }

  Uint8List? convertMapToUint8List(dynamic map) {
    if (map is Map) {
      final value = map.values.toList().cast<int>();
      return Uint8List.fromList(value);
    }
    return null;
  }

  @override
  void onReady() {
    super.onReady();
  }
}