| /* |
| * 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, |
| FLUSH_SENSOR |
| }; |
| |
| class BpSensorEventConnection : public BpInterface<ISensorEventConnection> |
| { |
| public: |
| BpSensorEventConnection(const sp<IBinder>& impl) |
| : BpInterface<ISensorEventConnection>(impl) |
| { |
| } |
| |
| virtual ~BpSensorEventConnection(); |
| |
| 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, nsecs_t samplingPeriodNs, |
| nsecs_t maxBatchReportLatencyNs, int reservedFlags) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor()); |
| data.writeInt32(handle); |
| data.writeInt32(enabled); |
| data.writeInt64(samplingPeriodNs); |
| data.writeInt64(maxBatchReportLatencyNs); |
| data.writeInt32(reservedFlags); |
| 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(); |
| } |
| |
| virtual status_t flush() { |
| Parcel data, reply; |
| data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor()); |
| remote()->transact(FLUSH_SENSOR, data, &reply); |
| return reply.readInt32(); |
| } |
| }; |
| |
| // Out-of-line virtual method definition to trigger vtable emission in this |
| // translation unit (see clang warning -Wweak-vtables) |
| BpSensorEventConnection::~BpSensorEventConnection() {} |
| |
| 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; |
| } |
| case ENABLE_DISABLE: { |
| CHECK_INTERFACE(ISensorEventConnection, data, reply); |
| int handle = data.readInt32(); |
| int enabled = data.readInt32(); |
| nsecs_t samplingPeriodNs = data.readInt64(); |
| nsecs_t maxBatchReportLatencyNs = data.readInt64(); |
| int reservedFlags = data.readInt32(); |
| status_t result = enableDisable(handle, enabled, samplingPeriodNs, |
| maxBatchReportLatencyNs, reservedFlags); |
| reply->writeInt32(result); |
| return NO_ERROR; |
| } |
| case SET_EVENT_RATE: { |
| CHECK_INTERFACE(ISensorEventConnection, data, reply); |
| int handle = data.readInt32(); |
| nsecs_t ns = data.readInt64(); |
| status_t result = setEventRate(handle, ns); |
| reply->writeInt32(result); |
| return NO_ERROR; |
| } |
| case FLUSH_SENSOR: { |
| CHECK_INTERFACE(ISensorEventConnection, data, reply); |
| status_t result = flush(); |
| reply->writeInt32(result); |
| return NO_ERROR; |
| } |
| } |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| }; // namespace android |