1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* 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);
}
|
