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 #include "dcamera_source_state_factory.h"
17 
18 #include "dcamera_source_capture_state.h"
19 #include "dcamera_source_config_stream_state.h"
20 #include "dcamera_source_init_state.h"
21 #include "dcamera_source_opened_state.h"
22 #include "dcamera_source_regist_state.h"
23 
24 #include "distributed_camera_errno.h"
25 #include "distributed_hardware_log.h"
26 
27 namespace OHOS {
28 namespace DistributedHardware {
29 IMPLEMENT_SINGLE_INSTANCE(DCameraSourceStateFactory);
30 
CreateState(DCameraStateType stateType,std::shared_ptr<DCameraSourceStateMachine> & stateMachine)31 std::shared_ptr<DCameraSourceState> DCameraSourceStateFactory::CreateState(DCameraStateType stateType,
32     std::shared_ptr<DCameraSourceStateMachine>& stateMachine)
33 {
34     std::shared_ptr<DCameraSourceState> state = nullptr;
35     switch (stateType) {
36         case DCAMERA_STATE_INIT: {
37             state = std::make_shared<DCameraSourceInitState>(stateMachine);
38             break;
39         }
40         case DCAMERA_STATE_REGIST: {
41             state = std::make_shared<DCameraSourceRegistState>(stateMachine);
42             break;
43         }
44         case DCAMERA_STATE_OPENED: {
45             state = std::make_shared<DCameraSourceOpenedState>(stateMachine);
46             break;
47         }
48         case DCAMERA_STATE_CONFIG_STREAM: {
49             state = std::make_shared<DCameraSourceConfigStreamState>(stateMachine);
50             break;
51         }
52         case DCAMERA_STATE_CAPTURE: {
53             state = std::make_shared<DCameraSourceCaptureState>(stateMachine);
54             break;
55         }
56         default: {
57             DHLOGE("DCameraSourceStateFactory create state failed, wrong type %{public}d", stateType);
58             return nullptr;
59         }
60     }
61 
62     return state;
63 }
64 } // namespace DistributedHardware
65 } // namespace OHOS
66