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 22 #include <stdint.h> 23 #include <sys/types.h> 24 25 #include <binder/IBinder.h> 26 #include <binder/IPCThreadState.h> 27 #include <binder/IServiceManager.h> 28 29 #include <utils/Errors.h> 30 #include <utils/RefBase.h> 31 #include <utils/Singleton.h> 32 #include <utils/Vector.h> 33 #include <utils/String8.h> 34 35 #include <gui/SensorEventQueue.h> 36 37 // ---------------------------------------------------------------------------- 38 // Concrete types for the NDK 39 struct ASensorManager { }; 40 41 // ---------------------------------------------------------------------------- 42 namespace android { 43 // ---------------------------------------------------------------------------- 44 45 class ISensorServer; 46 class Sensor; 47 class SensorEventQueue; 48 // ---------------------------------------------------------------------------- 49 50 class SensorManager : 51 public ASensorManager 52 { 53 public: 54 static SensorManager& getInstanceForPackage(const String16& packageName); 55 ~SensorManager(); 56 57 ssize_t getSensorList(Sensor const* const** list) const; 58 Sensor const* getDefaultSensor(int type); 59 sp<SensorEventQueue> createEventQueue(String8 packageName = String8(""), int mode = 0); 60 bool isDataInjectionEnabled(); 61 62 private: 63 // DeathRecipient interface 64 void sensorManagerDied(); 65 66 SensorManager(const String16& opPackageName); 67 status_t assertStateLocked() const; 68 69 private: 70 static Mutex sLock; 71 static std::map<String16, SensorManager*> sPackageInstances; 72 73 mutable Mutex mLock; 74 mutable sp<ISensorServer> mSensorServer; 75 mutable Sensor const** mSensorList; 76 mutable Vector<Sensor> mSensors; 77 mutable sp<IBinder::DeathRecipient> mDeathObserver; 78 const String16 mOpPackageName; 79 }; 80 81 // ---------------------------------------------------------------------------- 82 }; // namespace android 83 84 #endif // ANDROID_GUI_SENSOR_MANAGER_H 85