1/* 2 * Copyright (C) 2017 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 <binder/IUidObserver.h> 18 19#include <binder/Parcel.h> 20 21namespace android { 22 23// ------------------------------------------------------------------------------------ 24 25class BpUidObserver : public BpInterface<IUidObserver> 26{ 27public: 28 explicit BpUidObserver(const sp<IBinder>& impl) 29 : BpInterface<IUidObserver>(impl) 30 { 31 } 32 33 virtual void onUidGone(uid_t uid, bool disabled) 34 { 35 Parcel data, reply; 36 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor()); 37 data.writeInt32((int32_t) uid); 38 data.writeInt32(disabled ? 1 : 0); 39 remote()->transact(ON_UID_GONE_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY); 40 } 41 42 virtual void onUidActive(uid_t uid) 43 { 44 Parcel data, reply; 45 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor()); 46 data.writeInt32((int32_t) uid); 47 remote()->transact(ON_UID_ACTIVE_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY); 48 } 49 50 virtual void onUidIdle(uid_t uid, bool disabled) 51 { 52 Parcel data, reply; 53 data.writeInterfaceToken(IUidObserver::getInterfaceDescriptor()); 54 data.writeInt32((int32_t) uid); 55 data.writeInt32(disabled ? 1 : 0); 56 remote()->transact(ON_UID_IDLE_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY); 57 } 58}; 59 60// ---------------------------------------------------------------------- 61 62IMPLEMENT_META_INTERFACE(UidObserver, "android.app.IUidObserver"); 63 64// ---------------------------------------------------------------------- 65 66status_t BnUidObserver::onTransact( 67 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 68{ 69 switch(code) { 70 case ON_UID_GONE_TRANSACTION: { 71 CHECK_INTERFACE(IUidObserver, data, reply); 72 uid_t uid = data.readInt32(); 73 bool disabled = data.readInt32() == 1; 74 onUidGone(uid, disabled); 75 return NO_ERROR; 76 } break; 77 78 case ON_UID_ACTIVE_TRANSACTION: { 79 CHECK_INTERFACE(IUidObserver, data, reply); 80 uid_t uid = data.readInt32(); 81 onUidActive(uid); 82 return NO_ERROR; 83 } break; 84 85 case ON_UID_IDLE_TRANSACTION: { 86 CHECK_INTERFACE(IUidObserver, data, reply); 87 uid_t uid = data.readInt32(); 88 bool disabled = data.readInt32() == 1; 89 onUidIdle(uid, disabled); 90 return NO_ERROR; 91 } break; 92 default: 93 return BBinder::onTransact(code, data, reply, flags); 94 } 95} 96 97}; // namespace android 98