1 /* 2 * Copyright (c) 2024 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_DYNAMIC_MODULE_HELPER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_DYNAMIC_MODULE_HELPER_H 18 19 #include <memory> 20 #include <string> 21 22 #include "base/utils/macros.h" 23 #include "base/utils/noncopyable.h" 24 #include "compatible/components/component_loader.h" 25 26 namespace OHOS::Ace { 27 28 using ComponentLoaderFunc = ComponentLoader* (*)(const char* name); 29 using CanvasLoaderFunc = void* (*)(bool offscreen); 30 using CanvasBridgeFunc = void* (*)(CanvasBridgeParams& params); 31 32 class ACE_EXPORT DynamicModuleHelper final { 33 public: 34 static DynamicModuleHelper& GetInstance(); 35 std::unique_ptr<ComponentLoader> GetLoaderByName(const char* name); 36 void* CreateCanvasRenderingContextModel(bool isOffscreen); 37 void* CreateCanvasBridge(CanvasBridgeParams& params); 38 39 private: 40 DynamicModuleHelper(); 41 ~DynamicModuleHelper(); 42 bool LoadLibrary(); 43 void CloseLibrary(); 44 void* LoadSymbol(const char* symName); 45 46 void* compatibleLibHandle_ = nullptr; 47 bool compatibleLibLoaded_ = false; 48 49 ComponentLoaderFunc componentLoaderFunc_ = nullptr; 50 CanvasLoaderFunc canvasRenderingContextLoaderFunc_ = nullptr; 51 CanvasBridgeFunc canvasBridgeLoaderFunc_ = nullptr; 52 }; 53 } // namespace OHOS::Ace 54 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_DYNAMIC_MODULE_HELPER_H 55