1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_GUI_SENSOR_MANAGER_H 18 #define ANDROID_GUI_SENSOR_MANAGER_H 19 20 #include <binder/IBinder.h> 21 #include <binder/IPCThreadState.h> 22 #include <binder/IServiceManager.h> 23 #include <sensor/SensorEventQueue.h> 24 #include <stdint.h> 25 #include <sys/types.h> 26 #include <utils/Errors.h> 27 #include <utils/String8.h> 28 #include <utils/StrongPointer.h> 29 #include <utils/Vector.h> 30 31 #include <map> 32 #include <string> 33 #include <unordered_map> 34 35 // ---------------------------------------------------------------------------- 36 // Concrete types for the NDK 37 struct ASensorManager { }; 38 39 struct native_handle; 40 typedef struct native_handle native_handle_t; 41 42 // ---------------------------------------------------------------------------- 43 namespace android { 44 // ---------------------------------------------------------------------------- 45 46 class ISensorServer; 47 class Sensor; 48 class SensorEventQueue; 49 // ---------------------------------------------------------------------------- 50 51 class SensorManager : public ASensorManager 52 { 53 public: 54 static SensorManager& getInstanceForPackage(const String16& packageName); 55 static void removeInstanceForPackage(const String16& packageName); 56 ~SensorManager(); 57 58 ssize_t getSensorList(Sensor const* const** list); 59 ssize_t getDefaultDeviceSensorList(Vector<Sensor> & list); 60 ssize_t getDynamicSensorList(Vector<Sensor>& list); 61 ssize_t getDynamicSensorList(Sensor const* const** list); 62 ssize_t getRuntimeSensorList(int deviceId, Vector<Sensor>& list); 63 Sensor const* getDefaultSensor(int type); 64 sp<SensorEventQueue> createEventQueue( 65 String8 packageName = String8(""), int mode = 0, String16 attributionTag = String16("")); 66 bool isDataInjectionEnabled(); 67 std::optional<std::string_view> getSensorNameByHandle(int32_t handle); 68 bool isReplayDataInjectionEnabled(); 69 bool isHalBypassReplayDataInjectionEnabled(); 70 int createDirectChannel(size_t size, int channelType, const native_handle_t *channelData); 71 int createDirectChannel( 72 int deviceId, size_t size, int channelType, const native_handle_t *channelData); 73 void destroyDirectChannel(int channelNativeHandle); 74 int configureDirectChannel(int channelNativeHandle, int sensorHandle, int rateLevel); 75 int setOperationParameter(int handle, int type, const Vector<float> &floats, const Vector<int32_t> &ints); 76 77 private: 78 // DeathRecipient interface 79 void sensorManagerDied(); 80 static status_t waitForSensorService(sp<ISensorServer> *server); 81 82 explicit SensorManager(const String16& opPackageName, int deviceId); 83 status_t assertStateLocked(); 84 85 private: 86 static Mutex sLock; 87 static std::map<String16, SensorManager*> sPackageInstances; 88 89 Mutex mLock; 90 sp<ISensorServer> mSensorServer; 91 Sensor const** mSensorList; 92 Vector<Sensor> mSensors; 93 Sensor const** mDynamicSensorList = nullptr; 94 Vector<Sensor> mDynamicSensors; 95 sp<IBinder::DeathRecipient> mDeathObserver; 96 const String16 mOpPackageName; 97 const int mDeviceId; 98 std::unordered_map<int, sp<ISensorEventConnection>> mDirectConnection; 99 100 std::mutex mSensorHandleToNameMutex; 101 std::unordered_map<int32_t, std::string> mSensorHandleToName; 102 int32_t mDirectConnectionHandle; 103 }; 104 105 // ---------------------------------------------------------------------------- 106 }; // namespace android 107 108 #endif // ANDROID_GUI_SENSOR_MANAGER_H 109