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 OHOS_ICAMERA_CHANNEL_LISTENER_H
17 #define OHOS_ICAMERA_CHANNEL_LISTENER_H
18 
19 #include <cstdint>
20 #include <memory>
21 #include <vector>
22 
23 #include "data_buffer.h"
24 
25 namespace OHOS {
26 namespace DistributedHardware {
27 typedef enum {
28     DCAMERA_CHANNEL_STATE_DISCONNECTED = 0,
29     DCAMERA_CHANNEL_STATE_CONNECTING = 1,
30     DCAMERA_CHANNEL_STATE_CONNECTED = 2,
31 } DCameraChannelState;
32 
33 class ICameraChannelListener {
34 public:
35     virtual ~ICameraChannelListener() = default;
36 
37     virtual void OnSessionState(int32_t state) = 0;
38     virtual void OnSessionError(int32_t eventType, int32_t eventReason, std::string detail) = 0;
39     virtual void OnDataReceived(std::vector<std::shared_ptr<DataBuffer>>& buffers) = 0;
40 };
41 } // namespace DistributedHardware
42 } // namespace OHOS
43 #endif // OHOS_ICAMERA_CHANNEL_LISTENER_H
44