1 /*
2 * Copyright (C) 2012 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 <media/IRemoteDisplayClient.h>
21 #include <gui/IGraphicBufferProducer.h>
22 #include <utils/String8.h>
23
24 namespace android {
25
26 enum {
27 ON_DISPLAY_CONNECTED = IBinder::FIRST_CALL_TRANSACTION,
28 ON_DISPLAY_DISCONNECTED,
29 ON_DISPLAY_ERROR,
30 };
31
32 class BpRemoteDisplayClient: public BpInterface<IRemoteDisplayClient>
33 {
34 public:
BpRemoteDisplayClient(const sp<IBinder> & impl)35 BpRemoteDisplayClient(const sp<IBinder>& impl)
36 : BpInterface<IRemoteDisplayClient>(impl)
37 {
38 }
39
onDisplayConnected(const sp<IGraphicBufferProducer> & bufferProducer,uint32_t width,uint32_t height,uint32_t flags,uint32_t session)40 void onDisplayConnected(const sp<IGraphicBufferProducer>& bufferProducer,
41 uint32_t width, uint32_t height, uint32_t flags, uint32_t session)
42 {
43 Parcel data, reply;
44 data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor());
45 data.writeStrongBinder(IInterface::asBinder(bufferProducer));
46 data.writeInt32(width);
47 data.writeInt32(height);
48 data.writeInt32(flags);
49 data.writeInt32(session);
50 remote()->transact(ON_DISPLAY_CONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
51 }
52
onDisplayDisconnected()53 void onDisplayDisconnected()
54 {
55 Parcel data, reply;
56 data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor());
57 remote()->transact(ON_DISPLAY_DISCONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
58 }
59
onDisplayError(int32_t error)60 void onDisplayError(int32_t error)
61 {
62 Parcel data, reply;
63 data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor());
64 data.writeInt32(error);
65 remote()->transact(ON_DISPLAY_ERROR, data, &reply, IBinder::FLAG_ONEWAY);
66 }
67 };
68
69 IMPLEMENT_META_INTERFACE(RemoteDisplayClient, "android.media.IRemoteDisplayClient");
70
71 // ----------------------------------------------------------------------
72
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)73 status_t BnRemoteDisplayClient::onTransact(
74 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
75 {
76 switch (code) {
77 case ON_DISPLAY_CONNECTED: {
78 CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
79 sp<IGraphicBufferProducer> surfaceTexture(
80 interface_cast<IGraphicBufferProducer>(data.readStrongBinder()));
81 uint32_t width = data.readInt32();
82 uint32_t height = data.readInt32();
83 uint32_t flags = data.readInt32();
84 uint32_t session = data.readInt32();
85 onDisplayConnected(surfaceTexture, width, height, flags, session);
86 return NO_ERROR;
87 }
88 case ON_DISPLAY_DISCONNECTED: {
89 CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
90 onDisplayDisconnected();
91 return NO_ERROR;
92 }
93 case ON_DISPLAY_ERROR: {
94 CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
95 int32_t error = data.readInt32();
96 onDisplayError(error);
97 return NO_ERROR;
98 }
99 default:
100 return BBinder::onTransact(code, data, reply, flags);
101 }
102 }
103
104 } // namespace android
105