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