avs-device-sdk/CapabilityAgents/InteractionModel/include/InteractionModel/InteractionModelCapabilityA...

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/*
* Copyright 2018 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 ALEXA_CLIENT_SDK_CAPABILITYAGENTS_INTERACTIONMODEL_INCLUDE_INTERACTIONMODEL_INTERACTIONMODELCAPABILITYAGENT_H_
#define ALEXA_CLIENT_SDK_CAPABILITYAGENTS_INTERACTIONMODEL_INCLUDE_INTERACTIONMODEL_INTERACTIONMODELCAPABILITYAGENT_H_
#include <memory>
#include <string>
#include <unordered_set>
#include <AVSCommon/AVS/CapabilityAgent.h>
#include <AVSCommon/AVS/CapabilityConfiguration.h>
#include <AVSCommon/SDKInterfaces/CapabilityConfigurationInterface.h>
#include <AVSCommon/SDKInterfaces/DirectiveSequencerInterface.h>
namespace alexaClientSDK {
namespace capabilityAgents {
namespace interactionModel {
/**
* The Interaction Model Capability Agent provides a way for AVS cloud initiated actions to be
* executed by the client.
*
* When AVS requires the client to execute an action, it will send an InteractionModel.NewDialogRequest directive to
* set a @c dialogRequestId on the @c DirectiveSequencer.
*
* Once @c dialogRequestId is set, the @c DirectiveSequencer can then expect directives with the actions
* tagged with the dialogRequestId.
*/
class InteractionModelCapabilityAgent
: public avsCommon::avs::CapabilityAgent
, public avsCommon::sdkInterfaces::CapabilityConfigurationInterface {
public:
/**
* Creates an instance of the Interaction Model capability agent.
*
* @param directiveSequencer The Directive Sequencer responsible for processing AVS directives.
* @param exceptionEncounteredSender The object to use for sending AVS Exception messages.
*/
static std::shared_ptr<InteractionModelCapabilityAgent> create(
std::shared_ptr<avsCommon::sdkInterfaces::DirectiveSequencerInterface> directiveSequencer,
std::shared_ptr<avsCommon::sdkInterfaces::ExceptionEncounteredSenderInterface> exceptionEncounteredSender);
/**
* Destructor.
*/
~InteractionModelCapabilityAgent();
/// @name CapabilityAgent Functions
/// @{
avsCommon::avs::DirectiveHandlerConfiguration getConfiguration() const override;
void handleDirectiveImmediately(std::shared_ptr<avsCommon::avs::AVSDirective> directive) override;
void preHandleDirective(std::shared_ptr<avsCommon::avs::CapabilityAgent::DirectiveInfo> info) override;
void handleDirective(std::shared_ptr<avsCommon::avs::CapabilityAgent::DirectiveInfo> info) override;
void cancelDirective(std::shared_ptr<avsCommon::avs::CapabilityAgent::DirectiveInfo> info) override;
/// @}
/// @name CapabilityConfigurationInterface Functions
/// @{
std::unordered_set<std::shared_ptr<avsCommon::avs::CapabilityConfiguration>> getCapabilityConfigurations() override;
/// @}
private:
/**
* Constructor.
*
* @param directiveSequencer The Directive Sequencer responsible for processing AVS directives.
* @param exceptionEncounteredSender The object to use for sending AVS Exception messages.
*/
InteractionModelCapabilityAgent(
std::shared_ptr<avsCommon::sdkInterfaces::DirectiveSequencerInterface> directiveSequencer,
std::shared_ptr<avsCommon::sdkInterfaces::ExceptionEncounteredSenderInterface> exceptionEncounteredSender);
/**
* Helper function to process the incoming directive
*
* @param info Directive to be processed.
* @param[out] errMessage Error message associated to failure to process the directive
* @param[out] type Error type associated to failure to process the directive
* @return A bool indicating the success of processing the directive
*/
bool handleDirectiveHelper(
std::shared_ptr<avsCommon::avs::CapabilityAgent::DirectiveInfo> info,
std::string* errMessage,
avsCommon::avs::ExceptionErrorType* type);
/// Set of capability configurations that will get published using Capabilities API
std::unordered_set<std::shared_ptr<avsCommon::avs::CapabilityConfiguration>> m_capabilityConfigurations;
/// Pointer to the Directive Sequencer responsible for processing AVS directives
std::shared_ptr<avsCommon::sdkInterfaces::DirectiveSequencerInterface> m_directiveSequencer;
};
} // namespace interactionModel
} // namespace capabilityAgents
} // namespace alexaClientSDK
#endif // ALEXA_CLIENT_SDK_CAPABILITYAGENTS_INTERACTIONMODEL_INCLUDE_INTERACTIONMODEL_INTERACTIONMODELCAPABILITYAGENT_H_