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 <stdint.h> 21 #include <sys/types.h> 22 23 #include <binder/IBinder.h> 24 25 #include <utils/Errors.h> 26 #include <utils/RefBase.h> 27 #include <utils/Singleton.h> 28 #include <utils/Vector.h> 29 30 #include <gui/SensorEventQueue.h> 31 32 // ---------------------------------------------------------------------------- 33 // Concrete types for the NDK 34 struct ASensorManager { }; 35 36 // ---------------------------------------------------------------------------- 37 namespace android { 38 // ---------------------------------------------------------------------------- 39 40 class ISensorServer; 41 class Sensor; 42 class SensorEventQueue; 43 44 // ---------------------------------------------------------------------------- 45 46 class SensorManager : 47 public ASensorManager, 48 public Singleton<SensorManager> 49 { 50 public: 51 SensorManager(); 52 ~SensorManager(); 53 54 ssize_t getSensorList(Sensor const* const** list) const; 55 Sensor const* getDefaultSensor(int type); 56 sp<SensorEventQueue> createEventQueue(); 57 58 private: 59 // DeathRecipient interface 60 void sensorManagerDied(); 61 62 status_t assertStateLocked() const; 63 64 private: 65 mutable Mutex mLock; 66 mutable sp<ISensorServer> mSensorServer; 67 mutable Sensor const** mSensorList; 68 mutable Vector<Sensor> mSensors; 69 mutable sp<IBinder::DeathRecipient> mDeathObserver; 70 }; 71 72 // ---------------------------------------------------------------------------- 73 }; // namespace android 74 75 #endif // ANDROID_GUI_SENSOR_MANAGER_H 76