1 /* 2 * Copyright (C) 2013 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 "BatteryPropertiesRegistrar.h" 18 #include <batteryservice/BatteryService.h> 19 #include <batteryservice/IBatteryPropertiesListener.h> 20 #include <batteryservice/IBatteryPropertiesRegistrar.h> 21 #include <binder/IServiceManager.h> 22 #include <utils/Errors.h> 23 #include <utils/Mutex.h> 24 #include <utils/String16.h> 25 26 namespace android { 27 28 BatteryPropertiesRegistrar::BatteryPropertiesRegistrar(BatteryMonitor* monitor) { 29 mBatteryMonitor = monitor; 30 } 31 32 void BatteryPropertiesRegistrar::publish() { 33 defaultServiceManager()->addService(String16("batterypropreg"), this); 34 } 35 36 void BatteryPropertiesRegistrar::notifyListeners(struct BatteryProperties props) { 37 Mutex::Autolock _l(mRegistrationLock); 38 for (size_t i = 0; i < mListeners.size(); i++) { 39 mListeners[i]->batteryPropertiesChanged(props); 40 } 41 } 42 43 void BatteryPropertiesRegistrar::registerListener(const sp<IBatteryPropertiesListener>& listener) { 44 { 45 Mutex::Autolock _l(mRegistrationLock); 46 // check whether this is a duplicate 47 for (size_t i = 0; i < mListeners.size(); i++) { 48 if (mListeners[i]->asBinder() == listener->asBinder()) { 49 return; 50 } 51 } 52 53 mListeners.add(listener); 54 listener->asBinder()->linkToDeath(this); 55 } 56 mBatteryMonitor->update(); 57 } 58 59 void BatteryPropertiesRegistrar::unregisterListener(const sp<IBatteryPropertiesListener>& listener) { 60 Mutex::Autolock _l(mRegistrationLock); 61 for (size_t i = 0; i < mListeners.size(); i++) { 62 if (mListeners[i]->asBinder() == listener->asBinder()) { 63 mListeners[i]->asBinder()->unlinkToDeath(this); 64 mListeners.removeAt(i); 65 break; 66 } 67 } 68 } 69 70 void BatteryPropertiesRegistrar::binderDied(const wp<IBinder>& who) { 71 Mutex::Autolock _l(mRegistrationLock); 72 73 for (size_t i = 0; i < mListeners.size(); i++) { 74 if (mListeners[i]->asBinder() == who) { 75 mListeners.removeAt(i); 76 break; 77 } 78 } 79 } 80 81 } // namespace android 82
