EndpointAlexaPlaybackControllerHandler.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 ACSDK_SAMPLE_ENDPOINT_ENDPOINTALEXAPLAYBACKCONTROLLERHANDLER_H_
#define ACSDK_SAMPLE_ENDPOINT_ENDPOINTALEXAPLAYBACKCONTROLLERHANDLER_H_

#include <memory>
#include <mutex>
#include <set>
#include <string>

#include <acsdkAlexaPlaybackControllerInterfaces/AlexaPlaybackControllerInterface.h>
#include <acsdkAlexaPlaybackControllerInterfaces/AlexaPlaybackControllerObserverInterface.h>
#include <acsdkAlexaPlaybackControllerInterfaces/PlaybackOperation.h>
#include <acsdk/Notifier/Notifier.h>
#include <acsdk/Sample/Endpoint/EndpointFocusAdapter.h>
#include <AVSCommon/Utils/Threading/Executor.h>

namespace alexaClientSDK {
namespace sampleApplications {
namespace common {

class EndpointAlexaPlaybackControllerHandler
        : public acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface {
public:
    static std::shared_ptr<EndpointAlexaPlaybackControllerHandler> create(
        const std::string& endpointName,
        std::shared_ptr<EndpointFocusAdapter> focusAdapter);

    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response play() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response pause() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response stop() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response startOver() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response previous() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response next() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response rewind() override;
    acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerInterface::Response fastForward() override;
    acsdkAlexaPlaybackControllerInterfaces::PlaybackState getPlaybackState() override;
    bool addObserver(
        const std::weak_ptr<acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerObserverInterface>& observer)
        override;
    void removeObserver(
        const std::weak_ptr<acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerObserverInterface>& observer)
        override;
    std::set<acsdkAlexaPlaybackControllerInterfaces::PlaybackOperation> getSupportedOperations() override;

private:
    using AlexaPlaybackControllerNotifier =
        notifier::Notifier<acsdkAlexaPlaybackControllerInterfaces::AlexaPlaybackControllerObserverInterface>;

    EndpointAlexaPlaybackControllerHandler(
        const std::string& endpointName,
        std::shared_ptr<EndpointFocusAdapter> focusAdapter);

    void notifyObservers(acsdkAlexaPlaybackControllerInterfaces::PlaybackState playbackState);

    static void logOperation(const std::string& endpointName, const std::string& playbackOperation);

    std::mutex m_mutex;

    std::string m_endpointName;

    std::shared_ptr<AlexaPlaybackControllerNotifier> m_notifier;

    acsdkAlexaPlaybackControllerInterfaces::PlaybackState m_currentPlaybackState;

    std::shared_ptr<EndpointFocusAdapter> m_focusAdapter;
};

}  // namespace common
}  // namespace sampleApplications
}  // namespace alexaClientSDK

#endif  // ACSDK_SAMPLE_ENDPOINT_ENDPOINTALEXAPLAYBACKCONTROLLERHANDLER_H_