1 /*
2 * Copyright (C) 2013 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 <binder/IInterface.h>
21 #include <binder/Parcel.h>
22
23 #include <gui/IConsumerListener.h>
24
25 // ---------------------------------------------------------------------------
26 namespace android {
27 // ---------------------------------------------------------------------------
28
29 enum {
30 ON_FRAME_AVAILABLE = IBinder::FIRST_CALL_TRANSACTION,
31 ON_BUFFER_RELEASED
32 };
33
34 class BpConsumerListener : public BpInterface<IConsumerListener>
35 {
36 public:
BpConsumerListener(const sp<IBinder> & impl)37 BpConsumerListener(const sp<IBinder>& impl)
38 : BpInterface<IConsumerListener>(impl) {
39 }
40
onFrameAvailable()41 virtual void onFrameAvailable() {
42 Parcel data, reply;
43 data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
44 remote()->transact(ON_FRAME_AVAILABLE, data, &reply, IBinder::FLAG_ONEWAY);
45 }
46
onBuffersReleased()47 virtual void onBuffersReleased() {
48 Parcel data, reply;
49 data.writeInterfaceToken(IConsumerListener::getInterfaceDescriptor());
50 remote()->transact(ON_BUFFER_RELEASED, data, &reply, IBinder::FLAG_ONEWAY);
51 }
52 };
53
54 IMPLEMENT_META_INTERFACE(ConsumerListener, "android.gui.IConsumerListener");
55
56 // ----------------------------------------------------------------------
57
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)58 status_t BnConsumerListener::onTransact(
59 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
60 {
61 switch(code) {
62 case ON_FRAME_AVAILABLE:
63 CHECK_INTERFACE(IConsumerListener, data, reply);
64 onFrameAvailable();
65 return NO_ERROR;
66 case ON_BUFFER_RELEASED:
67 CHECK_INTERFACE(IConsumerListener, data, reply);
68 onBuffersReleased();
69 return NO_ERROR;
70 }
71 return BBinder::onTransact(code, data, reply, flags);
72 }
73
74
75 // ---------------------------------------------------------------------------
76 }; // namespace android
77 // ---------------------------------------------------------------------------
78