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 auto itFunc = memberFuncMap_.find(eventType);
36 if (itFunc == memberFuncMap_.end()) {
37 DHLOGE("DCameraSourceInitState execute %d in wrong state", eventType);
38 return DCAMERA_WRONG_STATE;
39 }
40
41 auto memberFunc = itFunc->second;
42 int32_t ret = (this->*memberFunc)(camDev, event);
43 if (ret != DCAMERA_OK) {
44 DHLOGE("DCameraSourceInitState execute %d failed, ret: %d", eventType, ret);
45 }
46 return ret;
47 }
48
GetStateType()49 DCameraStateType DCameraSourceInitState::GetStateType()
50 {
51 return DCAMERA_STATE_INIT;
52 }
53
DoRegisterTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)54 int32_t DCameraSourceInitState::DoRegisterTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
55 {
56 std::shared_ptr<DCameraRegistParam> param;
57 int32_t ret = event.GetDCameraRegistParam(param);
58 if (ret != DCAMERA_OK) {
59 return ret;
60 }
61 ret = camDev->Register(param);
62 if (ret != DCAMERA_OK) {
63 return ret;
64 }
65 std::shared_ptr<DCameraSourceStateMachine> stateMachine = stateMachine_.lock();
66 if (stateMachine == nullptr) {
67 DHLOGE("DCameraSourceInitState can not get stateMachine");
68 return DCAMERA_BAD_VALUE;
69 }
70 stateMachine->UpdateState(DCAMERA_STATE_REGIST);
71 return DCAMERA_OK;
72 }
73
DoUnregisterTask(std::shared_ptr<DCameraSourceDev> & camDev,DCameraSourceEvent & event)74 int32_t DCameraSourceInitState::DoUnregisterTask(std::shared_ptr<DCameraSourceDev>& camDev, DCameraSourceEvent& event)
75 {
76 DHLOGI("DCameraSourceInitState DoUnregisterTask Idempotent");
77 return DCAMERA_OK;
78 }
79 } // namespace DistributedHardware
80 } // namespace OHOS
81