1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <stdint.h>
18#include <sys/types.h>
19
20#include <utils/Errors.h>
21#include <utils/RefBase.h>
22#include <utils/Vector.h>
23#include <utils/Timers.h>
24
25#include <binder/Parcel.h>
26#include <binder/IInterface.h>
27
28#include <gui/Sensor.h>
29#include <gui/ISensorServer.h>
30#include <gui/ISensorEventConnection.h>
31
32namespace android {
33// ----------------------------------------------------------------------------
34
35enum {
36    GET_SENSOR_LIST = IBinder::FIRST_CALL_TRANSACTION,
37    CREATE_SENSOR_EVENT_CONNECTION,
38};
39
40class BpSensorServer : public BpInterface<ISensorServer>
41{
42public:
43    BpSensorServer(const sp<IBinder>& impl)
44        : BpInterface<ISensorServer>(impl)
45    {
46    }
47
48    virtual Vector<Sensor> getSensorList()
49    {
50        Parcel data, reply;
51        data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
52        remote()->transact(GET_SENSOR_LIST, data, &reply);
53        Sensor s;
54        Vector<Sensor> v;
55        int32_t n = reply.readInt32();
56        v.setCapacity(n);
57        while (n--) {
58            reply.read(s);
59            v.add(s);
60        }
61        return v;
62    }
63
64    virtual sp<ISensorEventConnection> createSensorEventConnection()
65    {
66        Parcel data, reply;
67        data.writeInterfaceToken(ISensorServer::getInterfaceDescriptor());
68        remote()->transact(CREATE_SENSOR_EVENT_CONNECTION, data, &reply);
69        return interface_cast<ISensorEventConnection>(reply.readStrongBinder());
70    }
71};
72
73IMPLEMENT_META_INTERFACE(SensorServer, "android.gui.SensorServer");
74
75// ----------------------------------------------------------------------
76
77status_t BnSensorServer::onTransact(
78    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
79{
80    switch(code) {
81        case GET_SENSOR_LIST: {
82            CHECK_INTERFACE(ISensorServer, data, reply);
83            Vector<Sensor> v(getSensorList());
84            size_t n = v.size();
85            reply->writeInt32(n);
86            for (size_t i=0 ; i<n ; i++) {
87                reply->write(v[i]);
88            }
89            return NO_ERROR;
90        } break;
91        case CREATE_SENSOR_EVENT_CONNECTION: {
92            CHECK_INTERFACE(ISensorServer, data, reply);
93            sp<ISensorEventConnection> connection(createSensorEventConnection());
94            reply->writeStrongBinder(connection->asBinder());
95            return NO_ERROR;
96        } break;
97    }
98    return BBinder::onTransact(code, data, reply, flags);
99}
100
101// ----------------------------------------------------------------------------
102}; // namespace android
103