/* * Copyright (C) 2010 The Android Open Source Project * * 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. */ #include <stdint.h> #include <sys/types.h> #include <utils/Errors.h> #include <utils/RefBase.h> #include <utils/Timers.h> #include <binder/Parcel.h> #include <binder/IInterface.h> #include <gui/ISensorEventConnection.h> #include <gui/BitTube.h> namespace android { // ---------------------------------------------------------------------------- enum { GET_SENSOR_CHANNEL = IBinder::FIRST_CALL_TRANSACTION, ENABLE_DISABLE, SET_EVENT_RATE }; class BpSensorEventConnection : public BpInterface<ISensorEventConnection> { public: BpSensorEventConnection(const sp<IBinder>& impl) : BpInterface<ISensorEventConnection>(impl) { } virtual sp<BitTube> getSensorChannel() const { Parcel data, reply; data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor()); remote()->transact(GET_SENSOR_CHANNEL, data, &reply); return new BitTube(reply); } virtual status_t enableDisable(int handle, bool enabled) { Parcel data, reply; data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor()); data.writeInt32(handle); data.writeInt32(enabled); remote()->transact(ENABLE_DISABLE, data, &reply); return reply.readInt32(); } virtual status_t setEventRate(int handle, nsecs_t ns) { Parcel data, reply; data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor()); data.writeInt32(handle); data.writeInt64(ns); remote()->transact(SET_EVENT_RATE, data, &reply); return reply.readInt32(); } }; IMPLEMENT_META_INTERFACE(SensorEventConnection, "android.gui.SensorEventConnection"); // ---------------------------------------------------------------------------- status_t BnSensorEventConnection::onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { switch(code) { case GET_SENSOR_CHANNEL: { CHECK_INTERFACE(ISensorEventConnection, data, reply); sp<BitTube> channel(getSensorChannel()); channel->writeToParcel(reply); return NO_ERROR; } break; case ENABLE_DISABLE: { CHECK_INTERFACE(ISensorEventConnection, data, reply); int handle = data.readInt32(); int enabled = data.readInt32(); status_t result = enableDisable(handle, enabled); reply->writeInt32(result); return NO_ERROR; } break; case SET_EVENT_RATE: { CHECK_INTERFACE(ISensorEventConnection, data, reply); int handle = data.readInt32(); int ns = data.readInt64(); status_t result = setEventRate(handle, ns); reply->writeInt32(result); return NO_ERROR; } break; } return BBinder::onTransact(code, data, reply, flags); } // ---------------------------------------------------------------------------- }; // namespace android