1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FOUNDATION_ACE_NAPI_TEST_NATIVE_MODULE_NETSERVER_EVENT_TARGET_H
17 #define FOUNDATION_ACE_NAPI_TEST_NATIVE_MODULE_NETSERVER_EVENT_TARGET_H
18 
19 #include "napi/native_api.h"
20 
21 struct EventListener;
22 
23 class Event {
24 public:
25     virtual napi_value ToJsObject() = 0;
26 };
27 
28 class EventTarget {
29 public:
30     EventTarget(napi_env env, napi_value thisVar);
31     virtual ~EventTarget();
32 
33     virtual void On(const char* type, napi_value handler);
34     virtual void Once(const char* type, napi_value handler);
35     virtual void Off(const char* type, napi_value handler);
36     virtual void Off(const char* type);
37     virtual void Emit(const char* type, Event* event);
38 
39 protected:
40     napi_env env_;
41     napi_ref thisVarRef_;
42     EventListener* first_;
43     EventListener* last_;
44 };
45 
46 #endif /* FOUNDATION_ACE_NAPI_TEST_NATIVE_MODULE_NETSERVER_EVENT_TARGET_H */
47