1 /*
2  * Copyright (c) 2023 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 CALLBACK_HANDLER_H
17 #define CALLBACK_HANDLER_H
18 
19 #include <cinttypes>
20 #include <memory>
21 
22 namespace OHOS {
23 namespace AudioStandard {
24 
25 class IHandler {
26 public:
27     virtual ~IHandler() = default;
28     virtual void OnHandle(uint32_t code, int64_t data) = 0;
29 };
30 
31 class CallbackHandler {
32 public:
33     virtual ~CallbackHandler() = default;
34     static std::shared_ptr<CallbackHandler> GetInstance(std::shared_ptr<IHandler> iHandler,
35         const std::string &handlerName);
36 
37     virtual void SendCallbackEvent(uint32_t code, int64_t data) = 0;
38     virtual void SendCallbackEvent(uint32_t eventCode, int64_t data, int64_t delayTime) = 0;
39 
40     virtual void ReleaseEventRunner() = 0;
41 };
42 } // namespace AudioStandard
43 } // namespace OHOS
44 #endif // CALLBACK_HANDLER_H
45