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 // XXX: Since qservice currently runs as part of hwc instead of a standalone
32 // process, the implementation below is overridden and the notifyCallback in
33 // hwc_qclient is directly called.
34
35 namespace qClient {
36
37 enum {
38 NOTIFY_CALLBACK = IBinder::FIRST_CALL_TRANSACTION,
39 };
40
41 class BpQClient : public BpInterface<IQClient>
42 {
43 public:
BpQClient(const sp<IBinder> & impl)44 BpQClient(const sp<IBinder>& impl)
45 : BpInterface<IQClient>(impl) {}
46
notifyCallback(uint32_t command,const Parcel * inParcel,Parcel * outParcel)47 virtual status_t notifyCallback(uint32_t command,
48 const Parcel* inParcel,
49 Parcel* outParcel) {
50 Parcel data;
51 Parcel *reply = outParcel;
52 data.writeInterfaceToken(IQClient::getInterfaceDescriptor());
53 data.writeInt32(command);
54 if (inParcel->dataAvail())
55 data.appendFrom(inParcel, inParcel->dataPosition(),
56 inParcel->dataAvail());
57 status_t result = remote()->transact(NOTIFY_CALLBACK, data, reply);
58 return result;
59 }
60 };
61
62 IMPLEMENT_META_INTERFACE(QClient, "android.display.IQClient");
63
64 // ----------------------------------------------------------------------
65 //Stub implementation - nothing needed here
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)66 status_t BnQClient::onTransact(
67 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
68 {
69 switch(code) {
70 case NOTIFY_CALLBACK: {
71 CHECK_INTERFACE(IQClient, data, reply);
72 uint32_t command = data.readInt32();
73 notifyCallback(command, &data, reply);
74 return NO_ERROR;
75 } break;
76 default:
77 return BBinder::onTransact(code, data, reply, flags);
78 }
79
80 }
81
82 }; // namespace qClient
83