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 }; 37 38 class BpPowerManager : public BpInterface<IPowerManager> 39 { 40 public: 41 BpPowerManager(const sp<IBinder>& impl) 42 : BpInterface<IPowerManager>(impl) 43 { 44 } 45 46 virtual status_t acquireWakeLock(int flags, const sp<IBinder>& lock, const String16& tag, 47 const String16& packageName) 48 { 49 Parcel data, reply; 50 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 51 52 data.writeStrongBinder(lock); 53 data.writeInt32(flags); 54 data.writeString16(tag); 55 data.writeString16(packageName); 56 data.writeInt32(0); // no WorkSource 57 return remote()->transact(ACQUIRE_WAKE_LOCK, data, &reply); 58 } 59 60 virtual status_t acquireWakeLockWithUid(int flags, const sp<IBinder>& lock, const String16& tag, 61 const String16& packageName, int uid) 62 { 63 Parcel data, reply; 64 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 65 66 data.writeStrongBinder(lock); 67 data.writeInt32(flags); 68 data.writeString16(tag); 69 data.writeString16(packageName); 70 data.writeInt32(uid); // uid to blame for the work 71 return remote()->transact(ACQUIRE_WAKE_LOCK_UID, data, &reply); 72 } 73 74 virtual status_t releaseWakeLock(const sp<IBinder>& lock, int flags) 75 { 76 Parcel data, reply; 77 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 78 data.writeStrongBinder(lock); 79 data.writeInt32(flags); 80 return remote()->transact(RELEASE_WAKE_LOCK, data, &reply); 81 } 82 83 virtual status_t updateWakeLockUids(const sp<IBinder>& lock, int len, const int *uids) { 84 Parcel data, reply; 85 data.writeInterfaceToken(IPowerManager::getInterfaceDescriptor()); 86 data.writeStrongBinder(lock); 87 data.writeInt32Array(len, uids); 88 // We don't really care too much if this succeeds (there's nothing we can do if it doesn't) 89 // but it should return ASAP 90 return remote()->transact(UPDATE_WAKE_LOCK_UIDS, data, &reply, IBinder::FLAG_ONEWAY); 91 } 92 }; 93 94 IMPLEMENT_META_INTERFACE(PowerManager, "android.os.IPowerManager"); 95 96 // ---------------------------------------------------------------------------- 97 98 }; // namespace android 99
