112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <utils/RefBase.h>
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#include <utils/Timers.h>
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#include <binder/Parcel.h>
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#include <binder/IInterface.h>
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#include <gui/ISensorEventConnection.h>
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#include <gui/SensorChannel.h>
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namespace android {
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// ----------------------------------------------------------------------------
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enum {
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GET_SENSOR_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
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ENABLE_DISABLE,
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SET_EVENT_RATE
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};
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class BpSensorEventConnection : public BpInterface<ISensorEventConnection>
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{
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public:
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BpSensorEventConnection(const sp<IBinder>& impl)
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: BpInterface<ISensorEventConnection>(impl)
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{
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}
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virtual sp<SensorChannel> getSensorChannel() const
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
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remote()->transact(GET_SENSOR_CHANNEL, data, &reply);
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return new SensorChannel(reply);
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}
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virtual status_t enableDisable(int handle, bool enabled)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
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data.writeInt32(handle);
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data.writeInt32(enabled);
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remote()->transact(ENABLE_DISABLE, data, &reply);
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return reply.readInt32();
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}
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virtual status_t setEventRate(int handle, nsecs_t ns)
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{
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Parcel data, reply;
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data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
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data.writeInt32(handle);
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data.writeInt64(ns);
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remote()->transact(SET_EVENT_RATE, data, &reply);
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return reply.readInt32();
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}
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};
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IMPLEMENT_META_INTERFACE(SensorEventConnection, "android.gui.SensorEventConnection");
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// ----------------------------------------------------------------------------
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status_t BnSensorEventConnection::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case GET_SENSOR_CHANNEL: {
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CHECK_INTERFACE(ISensorEventConnection, data, reply);
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sp<SensorChannel> channel(getSensorChannel());
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channel->writeToParcel(reply);
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return NO_ERROR;
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} break;
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case ENABLE_DISABLE: {
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CHECK_INTERFACE(ISensorEventConnection, data, reply);
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int handle = data.readInt32();
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int enabled = data.readInt32();
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status_t result = enableDisable(handle, enabled);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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case SET_EVENT_RATE: {
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CHECK_INTERFACE(ISensorEventConnection, data, reply);
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int handle = data.readInt32();
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int ns = data.readInt64();
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status_t result = setEventRate(handle, ns);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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}
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return BBinder::onTransact(code, data, reply, flags);
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}
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// ----------------------------------------------------------------------------
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}; // namespace android
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