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 #ifndef MEDIA_SCANNER_NAPI_H 17 #define MEDIA_SCANNER_NAPI_H 18 #include <unordered_map> 19 20 #include "medialibrary_napi_utils.h" 21 #include "imedia_scanner_callback.h" 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 #include "datashare_helper.h" 25 26 namespace OHOS { 27 namespace Media { 28 #define EXPORT __attribute__ ((visibility ("default"))) 29 static const std::string SCANNER_HELPER_NAPI_CLASS_NAME = "ScannerInstance"; 30 31 class MediaScannerNapiCallback : public IMediaScannerCallback { 32 public: 33 int32_t OnScanFinished(const int32_t status, const std::string &uri, const std::string &path) override; 34 void SetToMap(const std::string &path, const napi_ref &cbRef); 35 MediaScannerNapiCallback(napi_env env)36 explicit MediaScannerNapiCallback(napi_env env) : env_(env) {} 37 ~MediaScannerNapiCallback() = default; 38 39 private: 40 std::unordered_map<std::string, napi_ref> scannerMap_; 41 napi_env env_; 42 }; 43 44 class MediaScannerNapi { 45 public: 46 EXPORT static napi_value Init(napi_env env, napi_value exports); 47 48 EXPORT MediaScannerNapi(); 49 EXPORT ~MediaScannerNapi(); 50 51 private: 52 EXPORT static void MediaScannerNapiDestructor(napi_env env, void *nativeObject, void *finalize_hint); 53 EXPORT static napi_value MediaScannerNapiConstructor(napi_env env, napi_callback_info info); 54 EXPORT static napi_value ScanFile(napi_env env, napi_callback_info info); 55 EXPORT static napi_value ScanDir(napi_env env, napi_callback_info info); 56 EXPORT static napi_value GetMediaScannerInstance(napi_env env, napi_callback_info info); 57 58 static napi_value NapiScanUtils(napi_env env, napi_callback_info info, const std::string &scanType); 59 static void DataShareScanBoardcast(const std::string &event); 60 std::shared_ptr<MediaScannerNapiCallback> mediaScannerNapiCallbackObj_; 61 62 napi_env env_; 63 64 static thread_local napi_ref sConstructor_; 65 }; 66 } // namespace Media 67 } // namespace OHOS 68 #endif /* MEDIA_SCANNER_NAPI_H */ 69