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
24namespace android {
25
26enum {
27    ON_DISPLAY_CONNECTED = IBinder::FIRST_CALL_TRANSACTION,
28    ON_DISPLAY_DISCONNECTED,
29    ON_DISPLAY_ERROR,
30};
31
32class BpRemoteDisplayClient: public BpInterface<IRemoteDisplayClient>
33{
34public:
35    BpRemoteDisplayClient(const sp<IBinder>& impl)
36        : BpInterface<IRemoteDisplayClient>(impl)
37    {
38    }
39
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(bufferProducer->asBinder());
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
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
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
69IMPLEMENT_META_INTERFACE(RemoteDisplayClient, "android.media.IRemoteDisplayClient");
70
71// ----------------------------------------------------------------------
72
73status_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