| /* |
| * Copyright (C) Texas Instruments - http://www.ti.com/ |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file SensorListener.h |
| * |
| * This defines API for camerahal to get sensor events |
| * |
| */ |
| |
| #ifndef ANDROID_CAMERA_HARDWARE_SENSOR_LISTENER_H |
| #define ANDROID_CAMERA_HARDWARE_SENSOR_LISTENER_H |
| |
| #include <android/sensor.h> |
| #include <gui/Sensor.h> |
| #include <gui/SensorManager.h> |
| #include <gui/SensorEventQueue.h> |
| #include <utils/Looper.h> |
| |
| namespace android { |
| |
| /** |
| * SensorListner class - Registers with sensor manager to get sensor events |
| */ |
| |
| typedef void (*orientation_callback_t) (uint32_t orientation, uint32_t tilt, void* cookie); |
| |
| class SensorLooperThread : public Thread { |
| public: |
| SensorLooperThread(Looper* looper) |
| : Thread(false) { |
| mLooper = sp<Looper>(looper); |
| } |
| ~SensorLooperThread() { |
| mLooper.clear(); |
| } |
| |
| virtual bool threadLoop() { |
| int32_t ret = mLooper->pollOnce(-1); |
| return true; |
| } |
| |
| // force looper wake up |
| void wake() { |
| mLooper->wake(); |
| } |
| private: |
| sp<Looper> mLooper; |
| }; |
| |
| |
| class SensorListener : public RefBase |
| { |
| /* public - types */ |
| public: |
| typedef enum { |
| SENSOR_ACCELEROMETER = 1 << 0, |
| SENSOR_MAGNETIC_FIELD = 1 << 1, |
| SENSOR_GYROSCOPE = 1 << 2, |
| SENSOR_LIGHT = 1 << 3, |
| SENSOR_PROXIMITY = 1 << 4, |
| SENSOR_ORIENTATION = 1 << 5, |
| } sensor_type_t; |
| /* public - functions */ |
| public: |
| SensorListener(); |
| ~SensorListener(); |
| status_t initialize(); |
| void setCallbacks(orientation_callback_t orientation_cb, void *cookie); |
| void enableSensor(sensor_type_t type); |
| void disableSensor(sensor_type_t type); |
| void handleOrientation(uint32_t orientation, uint32_t tilt); |
| /* public - member variables */ |
| public: |
| sp<SensorEventQueue> mSensorEventQueue; |
| /* private - member variables */ |
| private: |
| int sensorsEnabled; |
| orientation_callback_t mOrientationCb; |
| void *mCbCookie; |
| sp<Looper> mLooper; |
| sp<SensorLooperThread> mSensorLooperThread; |
| Mutex mLock; |
| }; |
| |
| } |
| |
| #endif |