1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  * Copyright (C) 2012-2013, The Linux Foundation. All rights reserved.
4  *
5  * Not a Contribution, Apache license notifications and license are
6  * retained for attribution purposes only.
7 
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  *      http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  */
20 
21 #include <sys/types.h>
22 #include <binder/Parcel.h>
23 #include <binder/IBinder.h>
24 #include <binder/IInterface.h>
25 #include <utils/Errors.h>
26 #include <IQClient.h>
27 
28 using namespace android;
29 
30 // ---------------------------------------------------------------------------
31 
32 namespace qClient {
33 
34 enum {
35     NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
36 };
37 
38 class BpQClient : public BpInterface<IQClient>
39 {
40 public:
BpQClient(const sp<IBinder> & impl)41     BpQClient(const sp<IBinder>& impl)
42         : BpInterface<IQClient>(impl) {}
43 
notifyCallback(uint32_t msg,uint32_t value)44     virtual status_t notifyCallback(uint32_t msg, uint32_t value) {
45         Parcel data, reply;
46         data.writeInterfaceToken(IQClient::getInterfaceDescriptor());
47         data.writeInt32(msg);
48         data.writeInt32(value);
49         remote()->transact(NOTIFY_CALLBACK, data, &reply);
50         status_t result = reply.readInt32();
51         return result;
52     }
53 };
54 
55 IMPLEMENT_META_INTERFACE(QClient, "android.display.IQClient");
56 
57 // ----------------------------------------------------------------------
58 
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)59 status_t BnQClient::onTransact(
60     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
61 {
62     switch(code) {
63         case NOTIFY_CALLBACK: {
64             CHECK_INTERFACE(IQClient, data, reply);
65             uint32_t msg = data.readInt32();
66             uint32_t value = data.readInt32();
67             notifyCallback(msg, value);
68             return NO_ERROR;
69         } break;
70         default:
71             return BBinder::onTransact(code, data, reply, flags);
72     }
73 }
74 
75 }; // namespace qClient
76