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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.
*/
#ifndef VSHL_CORE_INCLUDE_VR_REQUESTPROCESSOR_H_
#define VSHL_CORE_INCLUDE_VR_REQUESTPROCESSOR_H_
#include <memory>
#include <unordered_map>
#include "core/include/VRRequest.h"
#include "core/include/VRRequestProcessorDelegate.h"
#include "interfaces/afb/IAFBApi.h"
#include "interfaces/utilities/logging/ILogger.h"
#include "interfaces/voiceagents/IVoiceAgentsChangeObserver.h"
using namespace std;
namespace vshlcore {
namespace core {
/*
* This class is the entry point for all the voice recognition request
* creation and arbitration.
*/
class VRRequestProcessor {
public:
// Create a VRRequestProcessor.
static unique_ptr<VRRequestProcessor> create(
shared_ptr<vshlcore::common::interfaces::ILogger> logger,
shared_ptr<vshlcore::core::VRRequestProcessorDelegate> delegate);
// Triggers a voiceagent to start listening to user speech input.
// Returns the request ID. If start fails, then empty request ID
// is returned.
string startListening();
// Cancels all the active requests
void cancel();
// Returns the voiceagents observer that belongs to the core module.
shared_ptr<vshlcore::common::interfaces::IVoiceAgentsChangeObserver> getVoiceAgentsChangeObserver() const;
// Destructor
~VRRequestProcessor();
private:
// Constructor
VRRequestProcessor(
shared_ptr<vshlcore::common::interfaces::ILogger> logger,
shared_ptr<vshlcore::core::VRRequestProcessorDelegate> delegate);
// Voiceagents observer
shared_ptr<vshlcore::common::interfaces::IVoiceAgentsChangeObserver> mVoiceAgentsChangeObserver;
// Request Processor Delegate
shared_ptr<vshlcore::core::VRRequestProcessorDelegate> mDelegate;
// Logger
shared_ptr<vshlcore::common::interfaces::ILogger> mLogger;
};
} // namespace core
} // namespace vshl
#endif // VSHL_CORE_INCLUDE_VR_REQUESTPROCESSOR_H_
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