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/Timers.h>
23
24 #include <binder/Parcel.h>
25 #include <binder/IInterface.h>
26
27 #include <gui/ISensorEventConnection.h>
28 #include <gui/SensorChannel.h>
29
30 namespace android {
31 // ----------------------------------------------------------------------------
32
33 enum {
34 GET_SENSOR_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
35 ENABLE_DISABLE,
36 SET_EVENT_RATE
37 };
38
39 class BpSensorEventConnection : public BpInterface<ISensorEventConnection>
40 {
41 public:
BpSensorEventConnection(const sp<IBinder> & impl)42 BpSensorEventConnection(const sp<IBinder>& impl)
43 : BpInterface<ISensorEventConnection>(impl)
44 {
45 }
46
getSensorChannel() const47 virtual sp<SensorChannel> getSensorChannel() const
48 {
49 Parcel data, reply;
50 data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
51 remote()->transact(GET_SENSOR_CHANNEL, data, &reply);
52 return new SensorChannel(reply);
53 }
54
enableDisable(int handle,bool enabled)55 virtual status_t enableDisable(int handle, bool enabled)
56 {
57 Parcel data, reply;
58 data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
59 data.writeInt32(handle);
60 data.writeInt32(enabled);
61 remote()->transact(ENABLE_DISABLE, data, &reply);
62 return reply.readInt32();
63 }
64
setEventRate(int handle,nsecs_t ns)65 virtual status_t setEventRate(int handle, nsecs_t ns)
66 {
67 Parcel data, reply;
68 data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
69 data.writeInt32(handle);
70 data.writeInt64(ns);
71 remote()->transact(SET_EVENT_RATE, data, &reply);
72 return reply.readInt32();
73 }
74 };
75
76 IMPLEMENT_META_INTERFACE(SensorEventConnection, "android.gui.SensorEventConnection");
77
78 // ----------------------------------------------------------------------------
79
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)80 status_t BnSensorEventConnection::onTransact(
81 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
82 {
83 switch(code) {
84 case GET_SENSOR_CHANNEL: {
85 CHECK_INTERFACE(ISensorEventConnection, data, reply);
86 sp<SensorChannel> channel(getSensorChannel());
87 channel->writeToParcel(reply);
88 return NO_ERROR;
89 } break;
90 case ENABLE_DISABLE: {
91 CHECK_INTERFACE(ISensorEventConnection, data, reply);
92 int handle = data.readInt32();
93 int enabled = data.readInt32();
94 status_t result = enableDisable(handle, enabled);
95 reply->writeInt32(result);
96 return NO_ERROR;
97 } break;
98 case SET_EVENT_RATE: {
99 CHECK_INTERFACE(ISensorEventConnection, data, reply);
100 int handle = data.readInt32();
101 int ns = data.readInt64();
102 status_t result = setEventRate(handle, ns);
103 reply->writeInt32(result);
104 return NO_ERROR;
105 } break;
106 }
107 return BBinder::onTransact(code, data, reply, flags);
108 }
109
110 // ----------------------------------------------------------------------------
111 }; // namespace android
112