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_init_state.h"
17
18 #include "dcamera_source_dev.h"
19 #include "dcamera_source_state_machine.h"
20 #include "distributed_camera_errno.h"
21 #include "distributed_hardware_log.h"
22
23 namespace OHOS {
24 namespace DistributedHardware {
DCameraSourceInitState(std::shared_ptr<DCameraSourceStateMachine> & stateMachine)25 DCameraSourceInitState::DCameraSourceInitState(std::shared_ptr<DCameraSourceStateMachine>& stateMachine)
26 : stateMachine_(stateMachine)
27 {
28 memberFuncMap_[DCAMERA_EVENT_REGIST] = &DCameraSourceInitState::DoRegisterTask;
29 memberFuncMap_[DCAMERA_EVENT_UNREGIST] = &DCameraSourceInitState::DoUnregisterTask;
30 }
31
Execute(std::shared_ptr<DCameraSourceDev> & camDev,DCAMERA_EVENT eventType,DCameraSourceEvent & event)32 int32_t DCameraSourceInitState::Execute(std::shared_ptr<DCameraSourceDev>& camDev, DCAMERA_EVENT eventType,
33 DCameraSourceEvent& event)
34 {
35 DHLOGI("DCameraSourceInitState execute %{public}d", eventType);
36 int32_t ret = DCAMERA_NOT_FOUND;
37 switch (eventType) {
38 case DCAMERA_EVENT_REGIST:
39 ret = DoRegisterTask(camDev, event);
40 break;
41 case DCAMERA_EVENT_UNREGIST:
42 ret = DoUnregisterTask(camDev, event);
43 break;
44 default:
45 DHLOGE("DCameraSourceInitState execute %{public}d in wrong state", eventType);
46 return DCAMERA_WRONG_STATE;
47 }
48 if (ret != DCAMERA_OK) {
49 DHLOGE("DCameraSourceInitState execute %{public}d failed, ret: %{public}d", eventType, ret);
50 }
51 return ret;
52 }
53
GetStateType()54 DCameraStateType DCameraSourceInitState::GetStateType()
55 {
56 return DCAMERA_STATE_INIT;
57 }
58
DoRegisterTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)59 int32_t DCameraSourceInitState::DoRegisterTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
60 {
61 CHECK_AND_RETURN_RET_LOG(camDev == nullptr, DCAMERA_BAD_VALUE, "camDev is nullptr");
62 std::shared_ptr<DCameraRegistParam> param;
63 int32_t ret = event.GetDCameraRegistParam(param);
64 if (ret != DCAMERA_OK) {
65 return ret;
66 }
67 ret = camDev->Register(param);
68 if (ret != DCAMERA_OK) {
69 return ret;
70 }
71 std::shared_ptr<DCameraSourceStateMachine> stateMachine = stateMachine_.lock();
72 if (stateMachine == nullptr) {
73 DHLOGE("DCameraSourceInitState can not get stateMachine");
74 return DCAMERA_BAD_VALUE;
75 }
76 stateMachine->UpdateState(DCAMERA_STATE_REGIST);
77 return DCAMERA_OK;
78 }
79
DoUnregisterTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)80 int32_t DCameraSourceInitState::DoUnregisterTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
81 {
82 DHLOGI("DCameraSourceInitState DoUnregisterTask Idempotent");
83 (void)camDev;
84 (void)event;
85 return DCAMERA_OK;
86 }
87 } // namespace DistributedHardware
88 } // namespace OHOS
89