| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "InputSource.h" |
| #include "PolicyMappingKeys.h" |
| #include "PolicySubsystem.h" |
| |
| using std::string; |
| |
| InputSource::InputSource(const string &mappingValue, |
| CInstanceConfigurableElement *instanceConfigurableElement, |
| const CMappingContext &context) |
| : CFormattedSubsystemObject(instanceConfigurableElement, |
| mappingValue, |
| MappingKeyAmend1, |
| (MappingKeyAmendEnd - MappingKeyAmend1 + 1), |
| context), |
| mPolicySubsystem(static_cast<const PolicySubsystem *>( |
| instanceConfigurableElement->getBelongingSubsystem())), |
| mPolicyPluginInterface(mPolicySubsystem->getPolicyPluginInterface()), |
| mApplicableInputDevice(mDefaultApplicableInputDevice) |
| { |
| mId = static_cast<audio_source_t>(context.getItemAsInteger(MappingKeyIdentifier)); |
| // Declares the strategy to audio policy engine |
| mPolicyPluginInterface->addInputSource(getFormattedMappingValue(), mId); |
| } |
| |
| bool InputSource::receiveFromHW(string & /*error*/) |
| { |
| blackboardWrite(&mApplicableInputDevice, sizeof(mApplicableInputDevice)); |
| return true; |
| } |
| |
| bool InputSource::sendToHW(string & /*error*/) |
| { |
| uint32_t applicableInputDevice; |
| blackboardRead(&applicableInputDevice, sizeof(applicableInputDevice)); |
| mApplicableInputDevice = applicableInputDevice; |
| return mPolicyPluginInterface->setDeviceForInputSource(mId, mApplicableInputDevice); |
| } |