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/*
* Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 "core/VRRequestProcessor.h"
#include "core/include/VRAgentsObserver.h"
static string TAG = "vshlcore::core::VRRequestProcessor";
using Level = vshlcore::utilities::logging::Logger::Level;
namespace vshlcore {
namespace core {
// Create a VRRequestProcessor.
unique_ptr<VRRequestProcessor> VRRequestProcessor::create(
shared_ptr<vshlcore::common::interfaces::ILogger> logger,
shared_ptr<vshlcore::core::VRRequestProcessorDelegate> delegate) {
auto processor = std::unique_ptr<VRRequestProcessor>(new VRRequestProcessor(logger, delegate));
return processor;
}
VRRequestProcessor::VRRequestProcessor(
shared_ptr<vshlcore::common::interfaces::ILogger> logger,
shared_ptr<vshlcore::core::VRRequestProcessorDelegate> delegate) :
mLogger(logger),
mDelegate(delegate) {
mVoiceAgentsChangeObserver = VRAgentsObserver::create(mDelegate);
}
VRRequestProcessor::~VRRequestProcessor() {
mDelegate->cancelAllRequests();
}
string VRRequestProcessor::startListening() {
// Currently start is simply going to send the request to
// the default voice agent as the wake word detection is not
// enabled.
shared_ptr<vshlcore::common::interfaces::IVoiceAgent> defaultVA = mDelegate->getDefaultVoiceAgent();
if (!defaultVA) {
mLogger->log(Level::ERROR, TAG, "Failed to start. No default voiceagent found.");
return "";
}
// If the requests container is not empty, then clear the
// existing requests in flight and create a new request.
mDelegate->cancelAllRequests();
return mDelegate->startRequestForVoiceAgent(defaultVA);
}
void VRRequestProcessor::cancel() {
// Cancel all pending requests
mDelegate->cancelAllRequests();
}
shared_ptr<vshlcore::common::interfaces::IVoiceAgentsChangeObserver> VRRequestProcessor::getVoiceAgentsChangeObserver()
const {
return mVoiceAgentsChangeObserver;
}
} // namespace core
} // namespace vshl
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