1/*
2 * Copyright (C) 2015 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#define LOG_TAG "ResultReceiver"
18
19#include <binder/IResultReceiver.h>
20
21#include <utils/Log.h>
22#include <binder/Parcel.h>
23#include <utils/String8.h>
24
25#include <private/binder/Static.h>
26
27namespace android {
28
29// ----------------------------------------------------------------------
30
31class BpResultReceiver : public BpInterface<IResultReceiver>
32{
33public:
34    BpResultReceiver(const sp<IBinder>& impl)
35        : BpInterface<IResultReceiver>(impl)
36    {
37    }
38
39    virtual void send(int32_t resultCode) {
40        Parcel data;
41        data.writeInterfaceToken(IResultReceiver::getInterfaceDescriptor());
42        data.writeInt32(resultCode);
43        remote()->transact(OP_SEND, data, NULL, IBinder::FLAG_ONEWAY);
44    }
45};
46
47IMPLEMENT_META_INTERFACE(ResultReceiver, "com.android.internal.os.IResultReceiver");
48
49// ----------------------------------------------------------------------
50
51status_t BnResultReceiver::onTransact(
52    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
53{
54    switch(code) {
55        case OP_SEND: {
56            CHECK_INTERFACE(IResultReceiver, data, reply);
57            int32_t resultCode = data.readInt32();
58            send(resultCode);
59            if (reply != NULL) {
60                reply->writeNoException();
61            }
62            return NO_ERROR;
63        } break;
64        default:
65            return BBinder::onTransact(code, data, reply, flags);
66    }
67}
68
69}; // namespace android
70