1 /* 2 * Copyright (c) 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 PRINT_CALLBACK_H 17 #define PRINT_CALLBACK_H 18 19 #include <mutex> 20 #include <uv.h> 21 #include <functional> 22 #include "napi/native_api.h" 23 #include "print_callback_stub.h" 24 #include "print_log.h" 25 26 namespace OHOS::Print { 27 struct CallbackParam { 28 napi_env env; 29 napi_ref ref; 30 std::mutex* mutexPtr; 31 uint32_t state; 32 PrinterInfo printerInfo; 33 PrintJob jobInfo; 34 35 std::string extensionId; 36 std::string info; 37 }; 38 39 class PrintCallback : public PrintCallbackStub { 40 public: 41 PrintCallback(napi_env env, napi_ref ref); 42 virtual ~PrintCallback(); 43 bool OnCallback() override; 44 bool OnCallback(uint32_t state, const PrinterInfo &info) override; 45 bool OnCallback(uint32_t state, const PrintJob &info) override; 46 bool OnCallback(const std::string &extensionId, const std::string &info) override; 47 48 private: 49 bool onBaseCallback(std::function<void(CallbackParam*)> paramFun, uv_after_work_cb after_work_cb); 50 51 private: 52 napi_env env_; 53 napi_ref ref_; 54 std::mutex mutex_; 55 }; 56 } // namespace OHOS::Print 57 #endif // IPRINT_CALLBACK_H 58