/* * Copyright (c) 2023 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 OHOS_INPUT_CALLBACK_HANDLER_H #define OHOS_INPUT_CALLBACK_HANDLER_H #include #include "inputmethod_trace.h" #include "js_callback_object.h" #include "js_util.h" #include "napi/native_api.h" #include "napi/native_node_api.h" namespace OHOS { namespace MiscServices { class JsCallbackHandler { public: using ArgvProvider = std::function; struct ArgContainer { size_t argc{ 0 }; ArgvProvider argvProvider{ nullptr }; }; // 0 means the callback has no param. static void Traverse(const std::vector> &objects, const ArgContainer &argContainer = { 0, nullptr }) { InputMethodSyncTrace tracer("Traverse callback"); for (const auto &object : objects) { if (object == nullptr) { continue; } JsUtil::ScopeGuard scopeGuard(object->env_); napi_value jsOutput = nullptr; Execute(object, argContainer, jsOutput); } } template static void Traverse( const std::vector> &objects, const ArgContainer &argContainer, T &output) { InputMethodSyncTrace tracer("Traverse callback with output"); for (const auto &object : objects) { JsUtil::ScopeGuard scopeGuard(object->env_); napi_value jsOutput = nullptr; Execute(object, argContainer, jsOutput); if (jsOutput != nullptr && JsUtil::GetValue(object->env_, jsOutput, output)) { break; } } } private: static void Execute( const std::shared_ptr &object, const ArgContainer &argContainer, napi_value &output); }; } // namespace MiscServices } // namespace OHOS #endif // OHOS_INPUT_CALLBACK_HANDLER_H