IMediaPlayerClient.cpp revision 7562408b2261d38415453378b6188f74fda99d88 
1/*
2**
3** Copyright 2008, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#include <utils/RefBase.h>
19#include <binder/IInterface.h>
20#include <binder/Parcel.h>
21
22#include <media/IMediaPlayerClient.h>
23
24namespace android {
25
26enum {
27    NOTIFY = IBinder::FIRST_CALL_TRANSACTION,
28};
29
30class BpMediaPlayerClient: public BpInterface<IMediaPlayerClient>
31{
32public:
33    BpMediaPlayerClient(const sp<IBinder>& impl)
34        : BpInterface<IMediaPlayerClient>(impl)
35    {
36    }
37
38    virtual void notify(int msg, int ext1, int ext2)
39    {
40        Parcel data, reply;
41        data.writeInterfaceToken(IMediaPlayerClient::getInterfaceDescriptor());
42        data.writeInt32(msg);
43        data.writeInt32(ext1);
44        data.writeInt32(ext2);
45        remote()->transact(NOTIFY, data, &reply, IBinder::FLAG_ONEWAY);
46    }
47};
48
49IMPLEMENT_META_INTERFACE(MediaPlayerClient, "android.hardware.IMediaPlayerClient");
50
51// ----------------------------------------------------------------------
52
53#define CHECK_INTERFACE(interface, data, reply) \
54        do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
55            LOGW("Call incorrectly routed to " #interface); \
56            return PERMISSION_DENIED; \
57        } } while (0)
58
59status_t BnMediaPlayerClient::onTransact(
60    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
61{
62    switch(code) {
63        case NOTIFY: {
64            CHECK_INTERFACE(IMediaPlayerClient, data, reply);
65            int msg = data.readInt32();
66            int ext1 = data.readInt32();
67            int ext2 = data.readInt32();
68            notify(msg, ext1, ext2);
69            return NO_ERROR;
70        } break;
71        default:
72            return BBinder::onTransact(code, data, reply, flags);
73    }
74}
75
76}; // namespace android
77
78