pkgs/objective_c/src/protocol.h

// Copyright (c) 2024, 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.

#ifndef OBJECTIVE_C_SRC_PROXY_H_
#define OBJECTIVE_C_SRC_PROXY_H_

#import <Foundation/NSObject.h>

#include "include/dart_api_dl.h"

@class DOBJCDartProtocol;

/**
 * Used by the Dart ObjCProtocolBuilder to construct ObjC classes at runtime to
 * implement protocols.
 */
@interface DOBJCDartProtocolBuilder : NSObject
- (instancetype)initWithClassName: (const char*)name;
- (void)implementMethod:(SEL)sel withBlock:(void*)block
    withTrampoline:(void*)trampoline withSignature:(char*)signature;
- (void)addProtocol:(Protocol*) protocol;
- (void)registerClass;
- (DOBJCDartProtocol*)buildInstance: (Dart_Port)port NS_RETURNS_RETAINED;
@end

/**
 * Base class of all classes DOBJCDartProtocolBuilder creates.
 */
@interface DOBJCDartProtocol : NSObject
- (instancetype)initDOBJCDartProtocolFromDartProtocolBuilder:
    (DOBJCDartProtocolBuilder*)builder
    withDisposePort:(Dart_Port)port;
- (id)getDOBJCDartProtocolMethodForSelector:(SEL)sel;
- (void)dealloc;
@end

#endif  // OBJECTIVE_C_SRC_PROXY_H_