| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #import <Foundation/Foundation.h> |
| |
| #import "FlutterChannels.h" |
| #import "FlutterCodecs.h" |
| #import "FlutterMacros.h" |
| |
| // TODO: Merge this file and FlutterPluginRegistrarMacOS.h with the iOS FlutterPlugin.h, sharing |
| // all but the platform-specific methods. |
| |
| @protocol FlutterPluginRegistrar; |
| |
| /** |
| * Implemented by the platform side of a Flutter plugin. |
| * |
| * Defines a set of optional callback methods and a method to set up the plugin |
| * and register it to be called by other application components. |
| * |
| * Currently the macOS version of FlutterPlugin has very limited functionality, but is expected to |
| * expand over time to more closely match the functionality of the iOS FlutterPlugin. |
| */ |
| FLUTTER_EXPORT |
| @protocol FlutterPlugin <NSObject> |
| |
| /** |
| * Creates an instance of the plugin to register with |registrar| using the desired |
| * FlutterPluginRegistrar methods. |
| */ |
| + (void)registerWithRegistrar:(nonnull id<FlutterPluginRegistrar>)registrar; |
| |
| @optional |
| |
| /** |
| * Called when a message is sent from Flutter on a channel that a plugin instance has subscribed |
| * to via -[FlutterPluginRegistrar addMethodCallDelegate:channel:]. |
| * |
| * The |result| callback must be called exactly once, with one of: |
| * - FlutterMethodNotImplemented, if the method call is unknown. |
| * - A FlutterError, if the method call was understood but there was a |
| * problem handling it. |
| * - Any other value (including nil) to indicate success. The value will |
| * be returned to the Flutter caller, and must be serializable to JSON. |
| */ |
| - (void)handleMethodCall:(nonnull FlutterMethodCall*)call result:(nonnull FlutterResult)result; |
| |
| @end |
