1 /* 2 * Copyright (C) 2011 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 "IPowerManager" 18 //#define LOG_NDEBUG 0 19 #include <utils/Log.h> 20 21 #include <stdint.h> 22 #include <sys/types.h> 23 24 #include <binder/Parcel.h> 25 26 #include <powermanager/IPowerManager.h> 27 28 namespace android { 29 30 // must be kept in sync with IPowerManager.aidl 31 enum { 32 ACQUIRE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION, 33 ACQUIRE_WAKE_LOCK_UID = IBinder::FIRST_CALL_TRANSACTION + 1, 34 RELEASE_WAKE_LOCK = IBinder::FIRST_CALL_TRANSACTION + 2, 35 UPDATE_WAKE_LOCK_UIDS = IBinder::FIRST_CALL_TRANSACTION + 3, 36 POWER_HINT = IBinder::FIRST_CALL_TRANSACTION + 4, 37 }; 38 39 class BpPowerManager : public BpInterface<IPowerManager> 40 { 41 public: BpPowerManager(const sp<IBinder> & impl)42 BpPowerManager(const sp<IBinder>& impl) 43 : BpInterface<IPowerManager>(impl) 44 { 45 } 46 acquireWakeLock(int flags,const sp<IBinder> & lock,const String16 & tag,const String16 & packageName,bool isOneWay)47 virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag, 48 const String16& packageName, bool isOneWay) 49 { 50 Parcel data, reply; 51 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 52 53 data.writeStrongBinder(lock); 54 data.writeInt32(flags); 55 data.writeString16(tag); 56 data.writeString16(packageName); 57 data.writeInt32(0); // no WorkSource 58 data.writeString16(NULL, 0); // no history tag 59 return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply, 60 isOneWay ? IBinder::FLAG_ONEWAY : 0); 61 } 62 acquireWakeLockWithUid(int flags,const sp<IBinder> & lock,const String16 & tag,const String16 & packageName,int uid,bool isOneWay)63 virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag, 64 const String16& packageName, int uid, bool isOneWay) 65 { 66 Parcel data, reply; 67 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 68 69 data.writeStrongBinder(lock); 70 data.writeInt32(flags); 71 data.writeString16(tag); 72 data.writeString16(packageName); 73 data.writeInt32(uid); // uid to blame for the work 74 return remote()->transact(ACQUIRE_WAKE_LOCK_UID, data, &reply, 75 isOneWay ? IBinder::FLAG_ONEWAY : 0); 76 } 77 releaseWakeLock(const sp<IBinder> & lock,int flags,bool isOneWay)78 virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags, bool isOneWay) 79 { 80 Parcel data, reply; 81 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 82 data.writeStrongBinder(lock); 83 data.writeInt32(flags); 84 return remote()->transact(RELEASE_WAKE_LOCK, data, &reply, 85 isOneWay ? IBinder::FLAG_ONEWAY : 0); 86 } 87 updateWakeLockUids(const sp<IBinder> & lock,int len,const int * uids,bool isOneWay)88 virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids, 89 bool isOneWay) { 90 Parcel data, reply; 91 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 92 data.writeStrongBinder(lock); 93 data.writeInt32Array(len, uids); 94 return remote()->transact(UPDATE_WAKE_LOCK_UIDS, data, &reply, 95 isOneWay ? IBinder::FLAG_ONEWAY : 0); 96 } 97 powerHint(int hintId,int param)98 virtual status_t powerHint(int hintId, int param) 99 { 100 Parcel data, reply; 101 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 102 data.writeInt32(hintId); 103 data.writeInt32(param); 104 // This FLAG_ONEWAY is in the .aidl, so there is no way to disable it 105 return remote()->transact(POWER_HINT, data, &reply, IBinder::FLAG_ONEWAY); 106 } 107 }; 108 109 IMPLEMENT_META_INTERFACE(PowerManager, "android.os.IPowerManager"); 110 111 // ---------------------------------------------------------------------------- 112 113 }; // namespace android 114