/* * Copyright (c) 2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef JS_PRINT_EXTENSION_H #define JS_PRINT_EXTENSION_H #include "napi/native_api.h" #include "print_extension.h" #include "print_job.h" class NativeReference; class NativeValue; class NativeObject; namespace OHOS { namespace AbilityRuntime { class PrintExtension; class JsRuntime; /** * @brief Basic Print components. */ class JsPrintExtension : public PrintExtension, public std::enable_shared_from_this { public: JsPrintExtension(JsRuntime &jsRuntime); virtual ~JsPrintExtension() override; /** * @brief Create JsPrintExtension. * * @param runtime The runtime. * @return The JsPrintExtension instance. */ static JsPrintExtension *Create(const std::unique_ptr &runtime); /** * @brief Init the extension. * * @param record the extension record. * @param application the application info. * @param handler the extension handler. * @param token the remote token. */ virtual void Init(const std::shared_ptr &record, const std::shared_ptr &application, std::shared_ptr &handler, const sptr &token) override; /** * @brief Called when this extension is started. You must override this function if you want to perform some * initialization operations during extension startup. * * This function can be called only once in the entire lifecycle of an extension. * @param Want Indicates the {@link Want} structure containing startup information about the extension. */ virtual void OnStart(const AAFwk::Want &want) override; /** * @brief Called when this Print extension is connected for the first time. * * You can override this function to implement your own processing logic. * * @param want Indicates the {@link Want} structure containing connection information about the Print extension. * @return Returns a pointer to the sid of the connected Print extension. */ virtual sptr OnConnect(const AAFwk::Want &want) override; /** * @brief Called when all abilities connected to this Print extension are disconnected. * * You can override this function to implement your own processing logic. * */ virtual void OnDisconnect(const AAFwk::Want &want) override; /** * @brief Called back when Print is started. * This method can be called only by Print. You can use the StartAbility(ohos.aafwk.content.Want) method * to start Print. Then the system calls back the current method to use the transferred want parameter * to execute its own logic. * * @param want Indicates the want of Print to start. * @param restart Indicates the startup mode. The value true indicates that Print is restarted after being * destroyed, and the value false indicates a normal startup. * @param startId Indicates the number of times the Print extension has been started. The startId is incremented * by 1 every time the extension is started. For example, if the extension has been started for six times, the * value of startId is 6. */ virtual void OnCommand(const AAFwk::Want &want, bool restart, int startId) override; /** * @brief Called when this extension enters the STATE_STOP state. * * The extension in the STATE_STOP is being destroyed. * You can override this function to implement your own processing logic. */ virtual void OnStop() override; private: NativeValue *CallObjectMethod(const char *name, NativeValue *const *argv = nullptr, size_t argc = 0); bool InitExtensionObj(JsRuntime &jsRuntime); bool InitContextObj(JsRuntime &jsRuntime, NativeObject *&extObj, std::string &extensionId); void RegisterDiscoveryCb(); void RegisterConnectionCb(); void RegisterPrintJobCb(); void RegisterPreviewCb(); void RegisterQueryCapCb(); void RegisterExtensionCb(); void RegisterCb(); void GetSrcPath(std::string &srcPath); JsRuntime &jsRuntime_; std::unique_ptr jsObj_; static JsPrintExtension *jsExtension_; std::string extensionId_; bool hasDestroyed_; }; } // namespace AbilityRuntime } // namespace OHOS #endif // JS_PRINT_EXTENSION_H