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_regist_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 {
DCameraSourceRegistState(std::shared_ptr<DCameraSourceStateMachine> & stateMachine)25 DCameraSourceRegistState::DCameraSourceRegistState(std::shared_ptr<DCameraSourceStateMachine>& stateMachine)
26 : stateMachine_(stateMachine)
27 {
28 memberFuncMap_[DCAMERA_EVENT_REGIST] = &DCameraSourceRegistState::DoRegisterTask;
29 memberFuncMap_[DCAMERA_EVENT_UNREGIST] = &DCameraSourceRegistState::DoUnregisterTask;
30 memberFuncMap_[DCAMERA_EVENT_OPEN] = &DCameraSourceRegistState::DoOpenTask;
31 memberFuncMap_[DCAMERA_EVENT_CLOSE] = &DCameraSourceRegistState::DoCloseTask;
32 memberFuncMap_[DCAMERA_EVENT_NOFIFY] = &DCameraSourceRegistState::DoEventNofityTask;
33 }
34
Execute(std::shared_ptr<DCameraSourceDev> & camDev,DCAMERA_EVENT eventType,DCameraSourceEvent & event)35 int32_t DCameraSourceRegistState::Execute(std::shared_ptr<DCameraSourceDev>& camDev, DCAMERA_EVENT eventType,
36 DCameraSourceEvent& event)
37 {
38 auto itFunc = memberFuncMap_.find(eventType);
39 if (itFunc == memberFuncMap_.end()) {
40 DHLOGE("DCameraSourceRegistState execute %d in wrong state", eventType);
41 return DCAMERA_WRONG_STATE;
42 }
43
44 auto memberFunc = itFunc->second;
45 int32_t ret = (this->*memberFunc)(camDev, event);
46 if (ret != DCAMERA_OK) {
47 DHLOGE("DCameraSourceRegistState execute %d failed, ret: %d", eventType, ret);
48 }
49 return ret;
50 }
51
GetStateType()52 DCameraStateType DCameraSourceRegistState::GetStateType()
53 {
54 return DCAMERA_STATE_REGIST;
55 }
56
DoRegisterTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)57 int32_t DCameraSourceRegistState::DoRegisterTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
58 {
59 DHLOGI("DCameraSourceRegistState DoRegisterTask Idempotent");
60 return DCAMERA_OK;
61 }
62
63
DoUnregisterTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)64 int32_t DCameraSourceRegistState::DoUnregisterTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
65 {
66 std::shared_ptr<DCameraRegistParam> param;
67 int32_t ret = event.GetDCameraRegistParam(param);
68 if (ret != DCAMERA_OK) {
69 return ret;
70 }
71 ret = camDev->UnRegister(param);
72 if (ret != DCAMERA_OK) {
73 return ret;
74 }
75 std::shared_ptr<DCameraSourceStateMachine> stateMachine = stateMachine_.lock();
76 if (stateMachine == nullptr) {
77 DHLOGE("DCameraSourceRegistState DoUnregisterTask can not get stateMachine");
78 return DCAMERA_BAD_VALUE;
79 }
80 stateMachine->UpdateState(DCAMERA_STATE_INIT);
81 return DCAMERA_OK;
82 }
83
DoOpenTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)84 int32_t DCameraSourceRegistState::DoOpenTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
85 {
86 int32_t ret = camDev->OpenCamera();
87 if (ret != DCAMERA_OK) {
88 DHLOGE("DCameraSourceRegistState OpenCamera failed, ret: %d", ret);
89 return ret;
90 }
91 return DCAMERA_OK;
92 }
93
DoCloseTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)94 int32_t DCameraSourceRegistState::DoCloseTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
95 {
96 DHLOGI("DCameraSourceRegistState DoCloseTask Idempotent");
97 return DCAMERA_OK;
98 }
99
DoEventNofityTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)100 int32_t DCameraSourceRegistState::DoEventNofityTask(std::shared_ptr<DCameraSourceDev>& camDev,
101 DCameraSourceEvent& event)
102 {
103 std::shared_ptr<DCameraEvent> camEvent;
104 int32_t ret = event.GetCameraEvent(camEvent);
105 if (ret != DCAMERA_OK) {
106 return ret;
107 }
108
109 ret = camDev->CameraEventNotify(camEvent);
110 if (ret != DCAMERA_OK) {
111 DHLOGE("DCameraSourceRegistState DoEventNofityTask CameraEventNotify failed, ret: %d", ret);
112 return ret;
113 }
114 return DCAMERA_OK;
115 }
116 } // namespace DistributedHardware
117 } // namespace OHOS
118