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_CHANNEL_H 18 #define ANDROID_GUI_SENSOR_CHANNEL_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/Errors.h> 24 #include <utils/RefBase.h> 25 26 27 namespace android { 28 // ---------------------------------------------------------------------------- 29 class Parcel; 30 31 class SensorChannel : public RefBase 32 { 33 public: 34 35 SensorChannel(); 36 SensorChannel(const Parcel& data); 37 virtual ~SensorChannel(); 38 39 int getFd() const; 40 ssize_t write(void const* vaddr, size_t size); 41 ssize_t read(void* vaddr, size_t size); 42 43 status_t writeToParcel(Parcel* reply) const; 44 45 private: 46 int mSendFd; 47 mutable int mReceiveFd; 48 }; 49 50 // ---------------------------------------------------------------------------- 51 }; // namespace android 52 53 #endif // ANDROID_GUI_SENSOR_CHANNEL_H 54