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 #include "Strategy.h" 18 #include "PolicyMappingKeys.h" 19 #include "PolicySubsystem.h" 20 21 using std::string; 22 using android::routing_strategy; 23 24 Strategy::Strategy(const string &mappingValue, 25 CInstanceConfigurableElement *instanceConfigurableElement, 26 const CMappingContext &context, 27 core::log::Logger& logger) 28 : CFormattedSubsystemObject(instanceConfigurableElement, 29 logger, 30 mappingValue, 31 MappingKeyAmend1, 32 (MappingKeyAmendEnd - MappingKeyAmend1 + 1), 33 context), 34 mPolicySubsystem(static_cast<const PolicySubsystem *>( 35 instanceConfigurableElement->getBelongingSubsystem())), 36 mPolicyPluginInterface(mPolicySubsystem->getPolicyPluginInterface()) 37 { 38 mId = static_cast<routing_strategy>(context.getItemAsInteger(MappingKeyIdentifier)); 39 40 // Declares the strategy to audio policy engine 41 mPolicyPluginInterface->addStrategy(getFormattedMappingValue(), mId); 42 } 43 44 bool Strategy::sendToHW(string & /*error*/) 45 { 46 uint32_t applicableOutputDevice; 47 blackboardRead(&applicableOutputDevice, sizeof(applicableOutputDevice)); 48 return mPolicyPluginInterface->setDeviceForStrategy(mId, applicableOutputDevice); 49 } 50
