1 //
2 // Copyright (C) 2015 Google, Inc.
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 "service/common/bluetooth/binder/IBluetoothCallback.h"
18
19 #include <base/logging.h>
20 #include <binder/Parcel.h>
21
22 using android::IBinder;
23 using android::Parcel;
24 using android::sp;
25 using android::status_t;
26
27 namespace ipc {
28 namespace binder {
29
30 // static
31 const char IBluetoothCallback::kServiceName[] =
32 "bluetooth-callback-service";
33
34 // BnBluetoothCallback (server) implementation
35 // ========================================================
36
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)37 status_t BnBluetoothCallback::onTransact(
38 uint32_t code,
39 const Parcel& data,
40 Parcel* reply,
41 uint32_t flags) {
42 VLOG(2) << "IBluetoothCallback transaction: " << code;
43 if (!data.checkInterface(this))
44 return android::PERMISSION_DENIED;
45
46 switch (code) {
47 case ON_BLUETOOTH_STATE_CHANGE_TRANSACTION: {
48 int prev_state, new_state;
49 if (data.readInt32(&prev_state) != android::NO_ERROR ||
50 data.readInt32(&new_state) != android::NO_ERROR)
51 return android::NOT_ENOUGH_DATA;
52
53 OnBluetoothStateChange(
54 static_cast<bluetooth::AdapterState>(prev_state),
55 static_cast<bluetooth::AdapterState>(new_state));
56 return android::NO_ERROR;
57 }
58 default:
59 return BBinder::onTransact(code, data, reply, flags);
60 }
61 }
62
63 // BpBluetoothCallback (client) implementation
64 // ========================================================
65
BpBluetoothCallback(const sp<IBinder> & impl)66 BpBluetoothCallback::BpBluetoothCallback(const sp<IBinder>& impl)
67 : BpInterface<IBluetoothCallback>(impl) {
68 }
69
OnBluetoothStateChange(bluetooth::AdapterState prev_state,bluetooth::AdapterState new_state)70 void BpBluetoothCallback::OnBluetoothStateChange(
71 bluetooth::AdapterState prev_state,
72 bluetooth::AdapterState new_state) {
73 Parcel data, reply;
74
75 data.writeInterfaceToken(IBluetoothCallback::getInterfaceDescriptor());
76 data.writeInt32(prev_state);
77 data.writeInt32(new_state);
78
79 remote()->transact(IBluetoothCallback::ON_BLUETOOTH_STATE_CHANGE_TRANSACTION,
80 data, &reply);
81 }
82
83 IMPLEMENT_META_INTERFACE(BluetoothCallback, IBluetoothCallback::kServiceName);
84
85 } // namespace binder
86 } // namespace ipc
87