IResourceManagerClient.cpp revision 090ef604f81447eab4aa0a5b45d6307482573560 
1/*
2**
3** Copyright 2015, 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/IResourceManagerClient.h>
23
24namespace android {
25
26enum {
27    RECLAIM_RESOURCE = IBinder::FIRST_CALL_TRANSACTION,
28    GET_NAME,
29};
30
31class BpResourceManagerClient: public BpInterface<IResourceManagerClient>
32{
33public:
34    explicit BpResourceManagerClient(const sp<IBinder> &impl)
35        : BpInterface<IResourceManagerClient>(impl)
36    {
37    }
38
39    virtual bool reclaimResource() {
40        Parcel data, reply;
41        data.writeInterfaceToken(IResourceManagerClient::getInterfaceDescriptor());
42
43        bool ret = false;
44        status_t status = remote()->transact(RECLAIM_RESOURCE, data, &reply);
45        if (status == NO_ERROR) {
46            ret = (bool)reply.readInt32();
47        }
48        return ret;
49    }
50
51    virtual String8 getName() {
52        Parcel data, reply;
53        data.writeInterfaceToken(IResourceManagerClient::getInterfaceDescriptor());
54
55        String8 ret;
56        status_t status = remote()->transact(GET_NAME, data, &reply);
57        if (status == NO_ERROR) {
58            ret = reply.readString8();
59        }
60        return ret;
61    }
62
63};
64
65IMPLEMENT_META_INTERFACE(ResourceManagerClient, "android.media.IResourceManagerClient");
66
67// ----------------------------------------------------------------------
68
69status_t BnResourceManagerClient::onTransact(
70    uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags)
71{
72    switch (code) {
73        case RECLAIM_RESOURCE: {
74            CHECK_INTERFACE(IResourceManagerClient, data, reply);
75            bool ret = reclaimResource();
76            reply->writeInt32(ret);
77            return NO_ERROR;
78        } break;
79        case GET_NAME: {
80            CHECK_INTERFACE(IResourceManagerClient, data, reply);
81            String8 ret = getName();
82            reply->writeString8(ret);
83            return NO_ERROR;
84        } break;
85        default:
86            return BBinder::onTransact(code, data, reply, flags);
87    }
88}
89
90}; // namespace android
91