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 27 namespace android { 28 29 // ---------------------------------------------------------------------- 30 31 class BpResultReceiver : public BpInterface<IResultReceiver> 32 { 33 public: 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 47 IMPLEMENT_META_INTERFACE(ResultReceiver, "com.android.internal.os.IResultReceiver"); 48 49 // ---------------------------------------------------------------------- 50 51 status_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
