PresentationObserverInterface.h

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/*
 * Copyright 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_AVS_SHARED_PRESENTATIONORCHESTRATOR_PRESENTATIONORCHESTRATORINTERFACES_INCLUDE_ACSDK_PRESENTATIONORCHESTRATORINTERFACES_PRESENTATIONOBSERVERINTERFACE_H_
#define ALEXA_CLIENT_SDK_AVS_SHARED_PRESENTATIONORCHESTRATOR_PRESENTATIONORCHESTRATORINTERFACES_INCLUDE_ACSDK_PRESENTATIONORCHESTRATORINTERFACES_PRESENTATIONOBSERVERINTERFACE_H_

#include <memory>
#include <string>

#include "PresentationInterface.h"
#include "PresentationTypes.h"

namespace alexaClientSDK {
namespace presentationOrchestratorInterfaces {
class PresentationObserverInterface {
public:
    virtual ~PresentationObserverInterface() = default;

    virtual void onPresentationAvailable(
        PresentationRequestToken id,
        std::shared_ptr<PresentationInterface> presentation) = 0;

    virtual void onPresentationStateChanged(PresentationRequestToken id, PresentationState newState) = 0;

    virtual bool onNavigateBack(PresentationRequestToken id) = 0;
};
}  // namespace presentationOrchestratorInterfaces
}  // namespace alexaClientSDK
#endif  // ALEXA_CLIENT_SDK_AVS_SHARED_PRESENTATIONORCHESTRATOR_PRESENTATIONORCHESTRATORINTERFACES_INCLUDE_ACSDK_PRESENTATIONORCHESTRATORINTERFACES_PRESENTATIONOBSERVERINTERFACE_H_