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 39struct ASensorManager { }; 40 41struct native_handle; 42typedef struct native_handle native_handle_t; 43 44// ---------------------------------------------------------------------------- 45namespace android { 46// ---------------------------------------------------------------------------- 47 48class ISensorServer; 49class Sensor; 50class SensorEventQueue; 51// ---------------------------------------------------------------------------- 52 53class SensorManager : public ASensorManager 54{ 55public: 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 type, const Vector<float> &floats, const Vector<int32_t> &ints); 68 69private: 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 77private: 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