replicant-frameworks_native/libs/gui/ISensorServer.cpp
Aravind Akella 4949c50372 Support restricted mode in SensorService.
In restricted mode, only CTS tests can register for sensors or call flush() on them. The requests
from other applications will be ignored.

Change-Id: Ieb923df3e0cfe3390fe2d052af776da79589744b
2015-03-24 15:41:35 -07:00

111 lines
3.4 KiB
C++

/*
* 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(const String8& packageName)
{
Parcel data, reply;
data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
data.writeString8(packageName);
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);
String8 packageName = data.readString8();
sp<ISensorEventConnection> connection(createSensorEventConnection(packageName));
reply->writeStrongBinder(IInterface::asBinder(connection));
return NO_ERROR;
}
}
return BBinder::onTransact(code, data, reply, flags);
}
// ----------------------------------------------------------------------------
}; // namespace android