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_DCAMERA_SOURCE_STATE_H
17 #define OHOS_DCAMERA_SOURCE_STATE_H
18 #include "dcamera_source_event.h"
19 
20 namespace OHOS {
21 namespace DistributedHardware {
22 typedef enum {
23     DCAMERA_STATE_INIT = 0,
24     DCAMERA_STATE_REGIST = 1,
25     DCAMERA_STATE_OPENED = 2,
26     DCAMERA_STATE_CONFIG_STREAM = 3,
27     DCAMERA_STATE_CAPTURE = 4,
28 } DCameraStateType;
29 
30 class DCameraSourceDev;
31 class DCameraSourceStateMachine;
32 class DCameraSourceState {
33 public:
DCameraSourceState()34     DCameraSourceState() {}
~DCameraSourceState()35     virtual ~DCameraSourceState() {}
36 
37     virtual int32_t Execute(std::shared_ptr<DCameraSourceDev>& camDev, DCAMERA_EVENT eventType,
38         DCameraSourceEvent& event) = 0;
39     virtual DCameraStateType GetStateType() = 0;
40 };
41 } // namespace DistributedHardware
42 } // namespace OHOS
43 #endif // OHOS_DCAMERA_SOURCE_STATE_H
44