| // Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'package:analysis_server/protocol/protocol_constants.dart'; |
| import 'package:analysis_server/src/analysis_server.dart'; |
| import 'package:analysis_server/src/domain_abstract.dart'; |
| import 'package:analysis_server/src/protocol/protocol_internal.dart'; |
| import 'package:analysis_server/src/protocol_server.dart'; |
| import 'package:analysis_server/src/utilities/progress.dart'; |
| import 'package:analyzer/dart/analysis/session.dart'; |
| |
| /// A [RequestHandler] that handles requests in the `flutter` domain. |
| class FlutterDomainHandler extends AbstractRequestHandler { |
| /// Initialize a newly created handler to handle requests for the given |
| /// [server]. |
| FlutterDomainHandler(AnalysisServer server) : super(server); |
| |
| /// Implement the 'flutter.getWidgetDescription' request. |
| void getWidgetDescription(Request request) async { |
| var params = FlutterGetWidgetDescriptionParams.fromRequest(request); |
| var file = params.file; |
| var offset = params.offset; |
| |
| if (server.sendResponseErrorIfInvalidFilePath(request, file)) { |
| return; |
| } |
| |
| var resolvedUnit = await server.getResolvedUnit(file); |
| if (resolvedUnit == null) { |
| server.sendResponse(Response.fileNotAnalyzed(request, file)); |
| return; |
| } |
| |
| var computer = server.flutterWidgetDescriptions; |
| |
| FlutterGetWidgetDescriptionResult? result; |
| try { |
| result = await computer.getDescription( |
| resolvedUnit, |
| offset, |
| ); |
| } on InconsistentAnalysisException { |
| server.sendResponse( |
| Response( |
| request.id, |
| error: RequestError( |
| RequestErrorCode.FLUTTER_GET_WIDGET_DESCRIPTION_CONTENT_MODIFIED, |
| 'Concurrent modification detected.', |
| ), |
| ), |
| ); |
| return; |
| } |
| |
| if (result == null) { |
| server.sendResponse( |
| Response( |
| request.id, |
| error: RequestError( |
| RequestErrorCode.FLUTTER_GET_WIDGET_DESCRIPTION_NO_WIDGET, |
| 'No Flutter widget at the given location.', |
| ), |
| ), |
| ); |
| return; |
| } |
| |
| server.sendResponse( |
| result.toResponse(request.id), |
| ); |
| } |
| |
| @override |
| Response? handleRequest( |
| Request request, CancellationToken cancellationToken) { |
| try { |
| var requestName = request.method; |
| if (requestName == FLUTTER_REQUEST_GET_WIDGET_DESCRIPTION) { |
| getWidgetDescription(request); |
| return Response.DELAYED_RESPONSE; |
| } |
| if (requestName == FLUTTER_REQUEST_SET_WIDGET_PROPERTY_VALUE) { |
| setPropertyValue(request); |
| return Response.DELAYED_RESPONSE; |
| } |
| if (requestName == FLUTTER_REQUEST_SET_SUBSCRIPTIONS) { |
| return setSubscriptions(request); |
| } |
| } on RequestFailure catch (exception) { |
| return exception.response; |
| } |
| return null; |
| } |
| |
| /// Implement the 'flutter.setPropertyValue' request. |
| void setPropertyValue(Request request) async { |
| var params = FlutterSetWidgetPropertyValueParams.fromRequest(request); |
| |
| var result = await server.flutterWidgetDescriptions.setPropertyValue( |
| params.id, |
| params.value, |
| ); |
| |
| var errorCode = result.errorCode; |
| if (errorCode != null) { |
| server.sendResponse( |
| Response( |
| request.id, |
| error: RequestError(errorCode, ''), |
| ), |
| ); |
| } |
| |
| server.sendResponse( |
| FlutterSetWidgetPropertyValueResult( |
| result.change!, |
| ).toResponse(request.id), |
| ); |
| } |
| |
| /// Implement the 'flutter.setSubscriptions' request. |
| Response setSubscriptions(Request request) { |
| var params = FlutterSetSubscriptionsParams.fromRequest(request); |
| var subMap = |
| mapMap<FlutterService, List<String>, FlutterService, Set<String>>( |
| params.subscriptions, |
| valueCallback: (List<String> subscriptions) => |
| subscriptions.toSet()); |
| server.setFlutterSubscriptions(subMap); |
| return FlutterSetSubscriptionsResult().toResponse(request.id); |
| } |
| } |