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
21using std::string;
22using android::routing_strategy;
23
24Strategy::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
44bool Strategy::sendToHW(string & /*error*/)
45{
46    uint32_t applicableOutputDevice;
47    blackboardRead(&applicableOutputDevice, sizeof(applicableOutputDevice));
48    return mPolicyPluginInterface->setDeviceForStrategy(mId, applicableOutputDevice);
49}
50