1 /* 2 * Copyright (c) 2021-2023 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 DISTRIBUTED_INPUT_HANDLER_H 17 #define DISTRIBUTED_INPUT_HANDLER_H 18 19 #include <functional> 20 #include <map> 21 #include <mutex> 22 #include <string> 23 24 #include <sys/epoll.h> 25 #include <linux/input.h> 26 27 #include "ihardware_handler.h" 28 #include "single_instance.h" 29 30 #include "constants_dinput.h" 31 #include "input_hub.h" 32 33 #ifndef API_EXPORT 34 #define API_EXPORT __attribute__((visibility("default"))) 35 #endif 36 37 namespace OHOS { 38 namespace DistributedHardware { 39 namespace DistributedInput { 40 class DistributedInputHandler : public IHardwareHandler { 41 DECLARE_SINGLE_INSTANCE_BASE(DistributedInputHandler); 42 public: 43 API_EXPORT int32_t Initialize() override; 44 API_EXPORT virtual std::vector<DHItem> Query() override; 45 API_EXPORT virtual std::map<std::string, std::string> QueryExtraInfo() override; 46 API_EXPORT bool IsSupportPlugin() override; 47 API_EXPORT void RegisterPluginListener(std::shared_ptr<PluginListener> listener) override; 48 API_EXPORT void UnRegisterPluginListener() override; 49 50 API_EXPORT void FindDevicesInfoByType(const uint32_t inputTypes, std::map<int32_t, std::string> &datas); 51 API_EXPORT void FindDevicesInfoByDhId(std::vector<std::string> dhidsVec, std::map<int32_t, std::string> &datas); 52 private: 53 DistributedInputHandler(); 54 ~DistributedInputHandler(); 55 void StructTransJson(const InputDevice &pBuf, std::string &strDescriptor); 56 std::shared_ptr<PluginListener> m_listener; 57 bool InitCollectEventsThread(); 58 void NotifyHardWare(int iCnt); 59 60 pthread_t collectThreadID_; 61 bool isCollectingEvents_; 62 bool isStartCollectEventThread; 63 static void *CollectEventsThread(void *param); 64 void StartInputMonitorDeviceThread(); 65 void StopInputMonitorDeviceThread(); 66 67 // The event queue. 68 static const int inputDeviceBufferSize = 32; 69 InputDeviceEvent mEventBuffer[inputDeviceBufferSize] = {}; 70 std::mutex operationMutex_; 71 std::unique_ptr<InputHub> inputHub_; 72 }; 73 74 #ifdef __cplusplus 75 extern "C" { 76 #endif 77 API_EXPORT IHardwareHandler* GetHardwareHandler(); 78 #ifdef __cplusplus 79 } 80 #endif 81 } // namespace DistributedInput 82 } // namespace DistributedHardware 83 } // namespace OHOS 84 85 #endif // DISTRIBUTED_INPUT_HANDLER_H 86