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 <map> 21 #include <unordered_map> 22 23 #include <stdint.h> 24 #include <sys/types.h> 25 26 #include <binder/IBinder.h> 27 #include <binder/IPCThreadState.h> 28 #include <binder/IServiceManager.h> 29 30 #include <utils/Errors.h> 31 #include <utils/StrongPointer.h> 32 #include <utils/Vector.h> 33 #include <utils/String8.h> 34 35 #include <sensor/SensorEventQueue.h> 36 37 // ---------------------------------------------------------------------------- 38 // Concrete types for the NDK 39 struct ASensorManager { }; 40 41 struct native_handle; 42 typedef struct native_handle native_handle_t; 43 44 // ---------------------------------------------------------------------------- 45 namespace android { 46 // ---------------------------------------------------------------------------- 47 48 class ISensorServer; 49 class Sensor; 50 class SensorEventQueue; 51 // ---------------------------------------------------------------------------- 52 53 class SensorManager : public ASensorManager 54 { 55 public: 56 static SensorManager& getInstanceForPackage(const String16& packageName); 57 ~SensorManager(); 58 59 ssize_t getSensorList(Sensor const* const** list); 60 ssize_t getDynamicSensorList(Vector<Sensor>& list); 61 Sensor const* getDefaultSensor(int type); 62 sp<SensorEventQueue> createEventQueue(String8 packageName = String8(""), int mode = 0); 63 bool isDataInjectionEnabled(); 64 int createDirectChannel(size_t size, int channelType, const native_handle_t *channelData); 65 void destroyDirectChannel(int channelNativeHandle); 66 int configureDirectChannel(int channelNativeHandle, int sensorHandle, int rateLevel); 67 int setOperationParameter(int handle, int type, const Vector<float> &floats, const Vector<int32_t> &ints); 68 69 private: 70 // DeathRecipient interface 71 void sensorManagerDied(); 72 static status_t waitForSensorService(sp<ISensorServer> *server); 73 74 SensorManager(const String16& opPackageName); 75 status_t assertStateLocked(); 76 77 private: 78 static Mutex sLock; 79 static std::map<String16, SensorManager*> sPackageInstances; 80 81 Mutex mLock; 82 sp<ISensorServer> mSensorServer; 83 Sensor const** mSensorList; 84 Vector<Sensor> mSensors; 85 sp<IBinder::DeathRecipient> mDeathObserver; 86 const String16 mOpPackageName; 87 std::unordered_map<int, sp<ISensorEventConnection>> mDirectConnection; 88 int32_t mDirectConnectionHandle; 89 }; 90 91 // ---------------------------------------------------------------------------- 92 }; // namespace android 93 94 #endif // ANDROID_GUI_SENSOR_MANAGER_H 95