1 /*
2 * Copyright (c) 2021-2023 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_session_callback.h"
17
18 #include "dcamera_event_cmd.h"
19 #include "dcamera_utils_tools.h"
20 #include "distributed_camera_constants.h"
21 #include "distributed_hardware_log.h"
22 #include "metadata_utils.h"
23
24 namespace OHOS {
25 namespace DistributedHardware {
DCameraSessionCallback(const std::shared_ptr<StateCallback> & callback)26 DCameraSessionCallback::DCameraSessionCallback(const std::shared_ptr<StateCallback>& callback) : callback_(callback)
27 {
28 }
29
OnError(int32_t errorCode)30 void DCameraSessionCallback::OnError(int32_t errorCode)
31 {
32 DHLOGE("enter, errorCode: %{public}d", errorCode);
33 if (callback_ == nullptr) {
34 DHLOGE("StateCallback is null");
35 return;
36 }
37
38 std::shared_ptr<DCameraEvent> event = std::make_shared<DCameraEvent>();
39 event->eventType_ = DCAMERA_MESSAGE;
40 event->eventResult_ = DCAMERA_EVENT_DEVICE_ERROR;
41 callback_->OnStateChanged(event);
42 }
43
OnFocusState(FocusState state)44 void DCameraSessionCallback::OnFocusState(FocusState state)
45 {
46 DHLOGI("enter, state: %{public}d", state);
47 if (callback_ == nullptr) {
48 DHLOGE("StateCallback is null");
49 return;
50 }
51
52 auto iter = focusStateMap_.find(state);
53 if (iter == focusStateMap_.end()) {
54 DHLOGE("focusStateMap find %{public}d state failed", state);
55 return;
56 }
57
58 int32_t dataCountStartNum = 1;
59 uint8_t focusState = iter->second;
60 std::shared_ptr<Camera::CameraMetadata> cameraMetadata =
61 std::make_shared<Camera::CameraMetadata>(CAMERA_META_DATA_ITEM_CAPACITY, CAMERA_META_DATA_DATA_CAPACITY);
62 if (!cameraMetadata->addEntry(OHOS_CONTROL_FOCUS_STATE, &focusState, dataCountStartNum)) {
63 DHLOGE("cameraMetadata add entry failed");
64 return;
65 }
66
67 std::string abilityString = Camera::MetadataUtils::EncodeToString(cameraMetadata);
68 std::string encodeString = Base64Encode(reinterpret_cast<const unsigned char *>(abilityString.c_str()),
69 abilityString.length());
70
71 std::shared_ptr<DCameraSettings> dcSetting = std::make_shared<DCameraSettings>();
72 dcSetting->type_ = DCSettingsType::METADATA_RESULT;
73 dcSetting->value_ = encodeString;
74 std::vector<std::shared_ptr<DCameraSettings>> settings;
75 settings.push_back(dcSetting);
76 }
77 } // namespace DistributedHardware
78 } // namespace OHOS