62 lines
2.2 KiB
Dart
62 lines
2.2 KiB
Dart
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import 'dart:html';
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import 'package:flutter/services.dart';
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import 'web_platform_manager.dart';
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import '../in_app_webview/in_app_webview_settings.dart';
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import 'in_app_web_view_web_element.dart';
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import 'headless_in_app_web_view_web_element.dart';
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import '../types.dart';
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class HeadlessInAppWebViewManager {
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static late MethodChannel _sharedChannel;
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late BinaryMessenger _messenger;
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HeadlessInAppWebViewManager({required BinaryMessenger messenger}) {
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this._messenger = messenger;
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HeadlessInAppWebViewManager._sharedChannel = MethodChannel(
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'com.pichillilorenzo/flutter_headless_inappwebview',
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const StandardMethodCodec(),
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_messenger,
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);
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HeadlessInAppWebViewManager._sharedChannel.setMethodCallHandler(handleMethod);
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}
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Future<dynamic> handleMethod(MethodCall call) async {
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switch (call.method) {
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case "run":
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String id = call.arguments["id"];
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Map<String, dynamic> params = call.arguments["params"].cast<String, dynamic>();
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run(id, params);
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break;
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default:
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throw UnimplementedError("Unimplemented ${call.method} method");
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}
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return null;
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}
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void run(String id, Map<String, dynamic> params) {
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var webView = InAppWebViewWebElement(viewId: id, messenger: _messenger);
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var headlessWebView = HeadlessInAppWebViewWebElement(
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id: id,
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messenger: _messenger,
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webView: webView
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);
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WebPlatformManager.webViews.putIfAbsent(id, () => webView);
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webView.iframe.style.display = 'none';
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Map<String, dynamic> initialSettings = params["initialSettings"].cast<String, dynamic>();
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if (initialSettings.isEmpty) {
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webView.initialSettings = InAppWebViewSettings();
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} else {
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webView.initialSettings = InAppWebViewSettings.fromMap(initialSettings);
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}
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webView.initialUrlRequest = URLRequest.fromMap(params["initialUrlRequest"]?.cast<String, dynamic>());
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webView.initialFile = params["initialFile"];
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webView.initialData = InAppWebViewInitialData.fromMap(params["initialData"]?.cast<String, dynamic>());
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document.body?.append(webView.iframe);
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webView.prepare();
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headlessWebView.onWebViewCreated();
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webView.makeInitialLoad();
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}
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}
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