1 /* 2 * Copyright (c) 2025 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 ON_SCREEN_SERVER_H 17 #define ON_SCREEN_SERVER_H 18 19 #include <mutex> 20 21 #include "i_on_screen_algorithm.h" 22 #include "i_plugin.h" 23 #include "on_screen_data.h" 24 25 namespace OHOS { 26 namespace Msdp { 27 namespace DeviceStatus { 28 namespace OnScreen { 29 struct OnScreenAlgorithmHandle { OnScreenAlgorithmHandleOnScreenAlgorithmHandle30 OnScreenAlgorithmHandle() : handle(nullptr), pAlgorithm(nullptr), create(nullptr), destroy(nullptr) {} 31 ~OnScreenAlgorithmHandle(); 32 void Clear(); 33 void* handle = nullptr; 34 IOnScreenAlgorithm* pAlgorithm = nullptr; 35 IOnScreenAlgorithm* (*create)(); 36 void (*destroy)(const IOnScreenAlgorithm*); 37 }; 38 39 class OnScreenServer { 40 public: 41 OnScreenServer() = default; 42 virtual ~OnScreenServer(); 43 int32_t GetPageContent(const CallingContext &context, const ContentOption &option, PageContent &pageContent); 44 int32_t SendControlEvent(const CallingContext &context, const ControlEvent &event); 45 private: 46 int32_t LoadAlgoLib(); 47 int32_t UnloadAlgoLib(); 48 int32_t ConnectAlgoLib(); 49 bool CheckPermission(const CallingContext &context, const std::string &permission); 50 bool IsSystemCalling(const CallingContext &context); 51 bool IsSystemServiceCalling(const CallingContext &context); 52 53 OnScreenAlgorithmHandle handle_; 54 std::mutex mtx_; 55 }; 56 } // namespace OnScreen 57 } // namespace DeviceStatus 58 } // namespace Msdp 59 } // namespace OHOS 60 #endif // ON_SCREEN_SERVER_H