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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 #ifndef CAMERA_MANAGER_NAPI_H_
17 #define CAMERA_MANAGER_NAPI_H_
18 
19 #include "camera_napi_utils.h"
20 #include "input/camera_device.h"
21 #include "input/camera_input_napi.h"
22 #include "input/camera_manager.h"
23 #include "listener_base.h"
24 #include "output/camera_output_capability.h"
25 #include "output/capture_output.h"
26 #include "output/depth_data_output_napi.h"
27 #include "output/photo_output_napi.h"
28 #include "output/preview_output_napi.h"
29 #include "output/video_output_napi.h"
30 #include "session/camera_session_napi.h"
31 
32 namespace OHOS {
33 namespace CameraStandard {
34 static const char CAMERA_MANAGER_NAPI_CLASS_NAME[] = "CameraManager";
35 
36 enum CameraManagerAsyncCallbackModes {
37     CREATE_DEFERRED_PREVIEW_OUTPUT_ASYNC_CALLBACK,
38 };
39 
40 class CameraManagerCallbackNapi : public CameraManagerCallback, public ListenerBase,
41     public std::enable_shared_from_this<CameraManagerCallbackNapi> {
42 public:
43     explicit CameraManagerCallbackNapi(napi_env env);
44     virtual ~CameraManagerCallbackNapi();
45     void OnCameraStatusChanged(const CameraStatusInfo &cameraStatusInfo) const override;
46     void OnFlashlightStatusChanged(const std::string &cameraID, const FlashStatus flashStatus) const override;
47 
48 private:
49     void OnCameraStatusCallback(const CameraStatusInfo &cameraStatusInfo) const;
50     void OnCameraStatusCallbackAsync(const CameraStatusInfo &cameraStatusInfo) const;
51 };
52 
53 struct CameraStatusCallbackInfo {
54     CameraStatusInfo info_;
55     weak_ptr<const CameraManagerCallbackNapi> listener_;
CameraStatusCallbackInfoCameraStatusCallbackInfo56     CameraStatusCallbackInfo(CameraStatusInfo info, shared_ptr<const CameraManagerCallbackNapi> listener)
57         : info_(info), listener_(listener) {}
~CameraStatusCallbackInfoCameraStatusCallbackInfo58     ~CameraStatusCallbackInfo()
59     {
60         listener_.reset();
61     }
62 };
63 
64 class CameraMuteListenerNapi : public CameraMuteListener, public ListenerBase,
65     public std::enable_shared_from_this<CameraMuteListenerNapi> {
66 public:
67     explicit CameraMuteListenerNapi(napi_env env);
68     virtual ~CameraMuteListenerNapi();
69     void OnCameraMute(bool muteMode) const override;
70 private:
71     void OnCameraMuteCallback(bool muteMode) const;
72     void OnCameraMuteCallbackAsync(bool muteMode) const;
73 };
74 
75 struct CameraMuteCallbackInfo {
76     bool muteMode_;
77     weak_ptr<const CameraMuteListenerNapi> listener_;
CameraMuteCallbackInfoCameraMuteCallbackInfo78     CameraMuteCallbackInfo(bool muteMode, shared_ptr<const CameraMuteListenerNapi> listener)
79         : muteMode_(muteMode), listener_(listener) {}
~CameraMuteCallbackInfoCameraMuteCallbackInfo80     ~CameraMuteCallbackInfo()
81     {
82         listener_.reset();
83     }
84 };
85 
86 class TorchListenerNapi : public TorchListener, public ListenerBase,
87     public std::enable_shared_from_this<TorchListenerNapi> {
88 public:
89     explicit TorchListenerNapi(napi_env env);
90     virtual ~TorchListenerNapi();
91     void OnTorchStatusChange(const TorchStatusInfo &torchStatusInfo) const override;
92 private:
93     void OnTorchStatusChangeCallback(const TorchStatusInfo &torchStatusInfo) const;
94     void OnTorchStatusChangeCallbackAsync(const TorchStatusInfo &torchStatusInfo) const;
95 };
96 
97 struct TorchStatusChangeCallbackInfo {
98     TorchStatusInfo info_;
99     weak_ptr<const TorchListenerNapi> listener_;
TorchStatusChangeCallbackInfoTorchStatusChangeCallbackInfo100     TorchStatusChangeCallbackInfo(TorchStatusInfo info, shared_ptr<const TorchListenerNapi> listener)
101         : info_(info), listener_(listener) {}
~TorchStatusChangeCallbackInfoTorchStatusChangeCallbackInfo102     ~TorchStatusChangeCallbackInfo()
103     {
104         listener_.reset();
105     }
106 };
107 
108 class FoldListenerNapi : public FoldListener, public ListenerBase,
109     public std::enable_shared_from_this<FoldListenerNapi> {
110 public:
111     explicit FoldListenerNapi(napi_env env);
112     virtual ~FoldListenerNapi();
113     void OnFoldStatusChanged(const FoldStatusInfo &foldStatusInfo) const override;
114 private:
115     void OnFoldStatusChangedCallback(const FoldStatusInfo &foldStatusInfo) const;
116     void OnFoldStatusChangedCallbackAsync(const FoldStatusInfo &foldStatusInfo) const;
117 };
118 
119 struct FoldStatusChangeCallbackInfo {
120     FoldStatusInfo info_;
121     weak_ptr<const FoldListenerNapi> listener_;
FoldStatusChangeCallbackInfoFoldStatusChangeCallbackInfo122     FoldStatusChangeCallbackInfo(FoldStatusInfo info, shared_ptr<const FoldListenerNapi> listener)
123         : info_(info), listener_(listener) {}
~FoldStatusChangeCallbackInfoFoldStatusChangeCallbackInfo124     ~FoldStatusChangeCallbackInfo()
125     {
126         listener_.reset();
127     }
128 };
129 
130 class CameraManagerNapi : public CameraNapiEventEmitter<CameraManagerNapi>,
131                           public CameraNapiEventListener<TorchListenerNapi>,
132                           public CameraNapiEventListener<CameraManagerCallbackNapi>,
133                           public CameraNapiEventListener<CameraMuteListenerNapi>,
134                           public CameraNapiEventListener<FoldListenerNapi> {
135 public:
136     static napi_value Init(napi_env env, napi_value exports);
137     static napi_value CreateCameraManager(napi_env env);
138     static napi_value GetSupportedCameras(napi_env env, napi_callback_info info);
139     static napi_value GetSupportedModes(napi_env env, napi_callback_info info);
140     static napi_value GetSupportedOutputCapability(napi_env env, napi_callback_info info);
141     static napi_value IsCameraMuted(napi_env env, napi_callback_info info);
142     static napi_value IsCameraMuteSupported(napi_env env, napi_callback_info info);
143     static napi_value MuteCamera(napi_env env, napi_callback_info info);
144     static napi_value MuteCameraPersist(napi_env env, napi_callback_info info);
145     static napi_value PrelaunchCamera(napi_env env, napi_callback_info info);
146     static napi_value PreSwitchCamera(napi_env env, napi_callback_info info);
147     static napi_value SetPrelaunchConfig(napi_env env, napi_callback_info info);
148     static napi_value IsPrelaunchSupported(napi_env env, napi_callback_info info);
149     static napi_value CreateCameraInputInstance(napi_env env, napi_callback_info info);
150     static napi_value CreateCameraSessionInstance(napi_env env, napi_callback_info info);
151     static napi_value CreateSessionInstance(napi_env env, napi_callback_info info);
152     static napi_value CreatePreviewOutputInstance(napi_env env, napi_callback_info info);
153     static napi_value CreateDeferredPreviewOutputInstance(napi_env env, napi_callback_info info);
154     static napi_value CreatePhotoOutputInstance(napi_env env, napi_callback_info info);
155     static napi_value CreateVideoOutputInstance(napi_env env, napi_callback_info info);
156     static napi_value CreateMetadataOutputInstance(napi_env env, napi_callback_info info);
157     static napi_value CreateDepthDataOutputInstance(napi_env env, napi_callback_info info);
158     static napi_value IsTorchSupported(napi_env env, napi_callback_info info);
159     static napi_value IsTorchModeSupported(napi_env env, napi_callback_info info);
160     static napi_value GetTorchMode(napi_env env, napi_callback_info info);
161     static napi_value SetTorchMode(napi_env env, napi_callback_info info);
162     static napi_value On(napi_env env, napi_callback_info info);
163     static napi_value Once(napi_env env, napi_callback_info info);
164     static napi_value Off(napi_env env, napi_callback_info info);
165     static napi_value GetCameraDevice(napi_env env, napi_callback_info info);
166     static napi_value GetCameraConcurrentInfos(napi_env env, napi_callback_info info);
167 
168     CameraManagerNapi();
169     ~CameraManagerNapi() override;
170 
171     virtual const EmitterFunctions& GetEmitterFunctions() override;
172 
173 private:
174     static void CameraManagerNapiDestructor(napi_env env, void* nativeObject, void* finalize_hint);
175     static napi_value CameraManagerNapiConstructor(napi_env env, napi_callback_info info);
176     static void ProcessCameraInfo(sptr<CameraManager>& cameraManager, const CameraPosition cameraPosition,
177         const CameraType cameraType, sptr<CameraDevice>& cameraInfo);
178     static void GetSupportedOutputCapabilityAdaptNormalMode(
179         SceneMode fwkMode, sptr<CameraDevice>& cameraInfo, sptr<CameraOutputCapability>& outputCapability);
180     static sptr<CameraDevice> GetSupportedOutputCapabilityGetCameraInfo(
181         napi_env env, napi_callback_info info, CameraManagerNapi*& cameraManagerNapi, int32_t& jsSceneMode);
182 
183     static void RemoveDuplicatesProfile(sptr<CameraOutputCapability>& outputCapability);
184     template<typename T>
185     static void RemoveDuplicatesProfile(std::vector<T>& profiles);
186     static napi_value CreateCameraConcurrentResult(napi_env env, vector<sptr<CameraDevice>> &cameraDeviceArrray,
187         std::vector<bool> &cameraConcurrentType, std::vector<std::vector<SceneMode>> &modes,
188         std::vector<std::vector<sptr<CameraOutputCapability>>> &outputCapabilities);
189     void ParseGetCameraConcurrentInfos(napi_env env, napi_value arrayParam,
190         std::vector<string> &cameraIdv);
191 
192     void RegisterCameraStatusCallbackListener(const std::string& eventName, napi_env env, napi_value callback,
193         const std::vector<napi_value>& args, bool isOnce);
194     void UnregisterCameraStatusCallbackListener(
195         const std::string& eventName, napi_env env, napi_value callback, const std::vector<napi_value>& args);
196     void RegisterCameraMuteCallbackListener(const std::string& eventName, napi_env env, napi_value callback,
197         const std::vector<napi_value>& args, bool isOnce);
198     void UnregisterCameraMuteCallbackListener(
199         const std::string& eventName, napi_env env, napi_value callback, const std::vector<napi_value>& args);
200     void RegisterTorchStatusCallbackListener(const std::string& eventName, napi_env env, napi_value callback,
201         const std::vector<napi_value>& args, bool isOnce);
202     void UnregisterTorchStatusCallbackListener(
203         const std::string& eventName, napi_env env, napi_value callback, const std::vector<napi_value>& args);
204     void RegisterFoldStatusCallbackListener(const std::string& eventName, napi_env env, napi_value callback,
205         const std::vector<napi_value>& args, bool isOnce);
206     void UnregisterFoldStatusCallbackListener(
207         const std::string& eventName, napi_env env, napi_value callback, const std::vector<napi_value>& args);
208 
209     static thread_local napi_ref sConstructor_;
210 
211     napi_env env_;
212     sptr<CameraManager> cameraManager_;
213     static thread_local uint32_t cameraManagerTaskId;
214 };
215 
216 struct CameraManagerContext : public AsyncContext {
217     std::string surfaceId;
218     CameraManagerNapi* managerInstance;
219     Profile profile;
220     VideoProfile videoProfile;
221     DepthProfile depthProfile;
222     CameraManagerAsyncCallbackModes modeForAsync;
223     std::string errString;
~CameraManagerContextCameraManagerContext224     ~CameraManagerContext()
225     {
226         managerInstance = nullptr;
227     }
228 };
229 } // namespace CameraStandard
230 } // namespace OHOS
231 #endif /* CAMERA_MANAGER_NAPI_H_ */
232