1 /*
2 * Copyright (C) 2021-2022 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 <uv.h>
17
18 #include "input/camera_info_napi.h"
19 #include "input/camera_manager_callback_napi.h"
20
21 namespace OHOS {
22 namespace CameraStandard {
23 using namespace std;
24 using OHOS::HiviewDFX::HiLog;
25 using OHOS::HiviewDFX::HiLogLabel;
26 namespace {
27 constexpr HiLogLabel LABEL = {LOG_CORE, LOG_DOMAIN, "CameraManagerCallbackNapi"};
28 }
29
CameraManagerCallbackNapi(napi_env env,napi_ref ref)30 CameraManagerCallbackNapi::CameraManagerCallbackNapi(napi_env env, napi_ref ref): env_(env), callbackRef_(ref)
31 {}
32
~CameraManagerCallbackNapi()33 CameraManagerCallbackNapi::~CameraManagerCallbackNapi()
34 {
35 }
36
OnCameraStatusCallbackAsync(const CameraStatusInfo & cameraStatusInfo) const37 void CameraManagerCallbackNapi::OnCameraStatusCallbackAsync(const CameraStatusInfo &cameraStatusInfo) const
38 {
39 MEDIA_DEBUG_LOG("OnCameraStatusCallbackAsync is called");
40 uv_loop_s* loop = nullptr;
41 napi_get_uv_event_loop(env_, &loop);
42 if (!loop) {
43 MEDIA_ERR_LOG("failed to get event loop");
44 return;
45 }
46 uv_work_t* work = new(std::nothrow) uv_work_t;
47 if (!work) {
48 MEDIA_ERR_LOG("failed to allocate work");
49 return;
50 }
51 std::unique_ptr<CameraStatusCallbackInfo> callbackInfo =
52 std::make_unique<CameraStatusCallbackInfo>(cameraStatusInfo, this);
53 work->data = callbackInfo.get();
54 int ret = uv_queue_work(loop, work, [] (uv_work_t* work) {}, [] (uv_work_t* work, int status) {
55 CameraStatusCallbackInfo* callbackInfo = reinterpret_cast<CameraStatusCallbackInfo *>(work->data);
56 if (callbackInfo) {
57 callbackInfo->listener_->OnCameraStatusCallback(callbackInfo->info_);
58 delete callbackInfo;
59 }
60 delete work;
61 });
62 if (ret) {
63 MEDIA_ERR_LOG("failed to execute work");
64 delete work;
65 } else {
66 callbackInfo.release();
67 }
68 }
69
OnCameraStatusCallback(const CameraStatusInfo & cameraStatusInfo) const70 void CameraManagerCallbackNapi::OnCameraStatusCallback(const CameraStatusInfo &cameraStatusInfo) const
71 {
72 MEDIA_DEBUG_LOG("OnCameraStatusCallback is called");
73 napi_value result[ARGS_TWO];
74 napi_value callback = nullptr;
75 napi_value retVal;
76 napi_value propValue;
77 napi_value undefinedResult;
78
79 napi_get_undefined(env_, &result[PARAM0]);
80 napi_get_undefined(env_, &result[PARAM1]);
81 napi_get_undefined(env_, &undefinedResult);
82
83 CAMERA_NAPI_CHECK_NULL_PTR_RETURN_VOID(cameraStatusInfo.cameraDevice, "callback cameraDevice is null");
84
85 napi_create_object(env_, &result[PARAM1]);
86
87 if (cameraStatusInfo.cameraDevice != nullptr) {
88 napi_value cameraDeviceNapi = CameraDeviceNapi::CreateCameraObj(env_, cameraStatusInfo.cameraDevice);
89 napi_set_named_property(env_, result[PARAM1], "camera", cameraDeviceNapi);
90 } else {
91 MEDIA_ERR_LOG("Camera info is null");
92 napi_set_named_property(env_, result[PARAM1], "camera", undefinedResult);
93 }
94
95 int32_t jsCameraStatus = -1;
96 jsCameraStatus = cameraStatusInfo.cameraStatus;
97 napi_create_int64(env_, jsCameraStatus, &propValue);
98 napi_set_named_property(env_, result[PARAM1], "status", propValue);
99
100 napi_get_reference_value(env_, callbackRef_, &callback);
101 MEDIA_INFO_LOG("CameraId: %{public}s, CameraStatus: %{public}d",
102 cameraStatusInfo.cameraDevice->GetID().c_str(), cameraStatusInfo.cameraStatus);
103 napi_call_function(env_, nullptr, callback, ARGS_TWO, result, &retVal);
104 }
105
OnCameraStatusChanged(const CameraStatusInfo & cameraStatusInfo) const106 void CameraManagerCallbackNapi::OnCameraStatusChanged(const CameraStatusInfo &cameraStatusInfo) const
107 {
108 MEDIA_DEBUG_LOG("OnCameraStatusChanged is called, CameraStatus: %{public}d", cameraStatusInfo.cameraStatus);
109 OnCameraStatusCallbackAsync(cameraStatusInfo);
110 }
111
OnFlashlightStatusChanged(const std::string & cameraID,const FlashStatus flashStatus) const112 void CameraManagerCallbackNapi::OnFlashlightStatusChanged(const std::string &cameraID,
113 const FlashStatus flashStatus) const
114 {
115 (void)cameraID;
116 (void)flashStatus;
117 }
118 } // namespace CameraStandard
119 } // namespace OHOS
120