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/*
* 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/Vector.h>
#include <utils/Timers.h>
#include <binder/Parcel.h>
#include <binder/IInterface.h>
#include <gui/Sensor.h>
#include <gui/ISensorServer.h>
#include <gui/ISensorEventConnection.h>
namespace android {
// ----------------------------------------------------------------------------
enum {
GET_SENSOR_LIST = IBinder::FIRST_CALL_TRANSACTION,
CREATE_SENSOR_EVENT_CONNECTION,
};
class BpSensorServer : public BpInterface<ISensorServer>
{
public:
BpSensorServer(const sp<IBinder>& impl)
: BpInterface<ISensorServer>(impl)
{
}
virtual ~BpSensorServer();
virtual Vector<Sensor> getSensorList()
{
Parcel data, reply;
data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
remote()->transact(GET_SENSOR_LIST, data, &reply);
Sensor s;
Vector<Sensor> v;
uint32_t n = reply.readUint32();
v.setCapacity(n);
while (n--) {
reply.read(s);
v.add(s);
}
return v;
}
virtual sp<ISensorEventConnection> createSensorEventConnection()
{
Parcel data, reply;
data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
remote()->transact(CREATE_SENSOR_EVENT_CONNECTION, data, &reply);
return interface_cast<ISensorEventConnection>(reply.readStrongBinder());
}
};
// Out-of-line virtual method definition to trigger vtable emission in this
// translation unit (see clang warning -Wweak-vtables)
BpSensorServer::~BpSensorServer() {}
IMPLEMENT_META_INTERFACE(SensorServer, "android.gui.SensorServer");
// ----------------------------------------------------------------------
status_t BnSensorServer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case GET_SENSOR_LIST: {
CHECK_INTERFACE(ISensorServer, data, reply);
Vector<Sensor> v(getSensorList());
size_t n = v.size();
reply->writeUint32(static_cast<uint32_t>(n));
for (size_t i = 0; i < n; i++) {
reply->write(v[i]);
}
return NO_ERROR;
}
case CREATE_SENSOR_EVENT_CONNECTION: {
CHECK_INTERFACE(ISensorServer, data, reply);
sp<ISensorEventConnection> connection(createSensorEventConnection());
reply->writeStrongBinder(IInterface::asBinder(connection));
return NO_ERROR;
}
}
return BBinder::onTransact(code, data, reply, flags);
}
// ----------------------------------------------------------------------------
}; // namespace android
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