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 INPUT_SCREEN_CAPTURE_AGENT_H 17 #define INPUT_SCREEN_CAPTURE_AGENT_H 18 19 #include <dlfcn.h> 20 21 #include "singleton.h" 22 #include "util.h" 23 24 namespace OHOS { 25 namespace MMI { 26 27 struct ScreenCaptureHandle { 28 void *handle; 29 int32_t (*isWorking)(int32_t); 30 void (*registerListener)(ScreenCaptureCallback); 31 bool (*isMusicActivate)(); 32 ScreenCaptureHandleScreenCaptureHandle33 ScreenCaptureHandle(): handle(nullptr), isWorking(nullptr), registerListener(nullptr), 34 isMusicActivate(nullptr) {} 35 FreeScreenCaptureHandle36 void Free() 37 { 38 if (handle != nullptr) { 39 dlclose(handle); 40 handle = nullptr; 41 } 42 isWorking = nullptr; 43 registerListener = nullptr; 44 isMusicActivate = nullptr; 45 } 46 }; 47 48 class InputScreenCaptureAgent : public Singleton<InputScreenCaptureAgent> { 49 public: 50 ~InputScreenCaptureAgent() override; 51 bool IsScreenCaptureWorking(int32_t capturePid); 52 void RegisterListener(ScreenCaptureCallback callback); 53 bool IsMusicActivate(); 54 private: 55 int32_t LoadLibrary(); 56 int32_t LoadAudioLibrary(); 57 ScreenCaptureHandle handle_; 58 std::mutex agentMutex_; 59 }; 60 } 61 } 62 63 #endif