StatusHandlerInterface.h

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#pragma once
 
#include <functional>
 
#include <armarx/view_selection/gaze_targets/GazeTargetStatus.h>
 
namespace armarx::view_selection::client
{
 
    /**
     * @brief Registration of callbacks for gaze target lifecycle updates.
     *
     * Modelled on navigation's client::EventSubscriptionInterface, collapsed into one callback
     * signature because every update is the same object -- only its `status` differs.
     */
    class StatusHandlerInterface
    {
    public:
        using Callback = std::function<void(const gaze_targets::GazeTargetStatus&)>;
 
        virtual ~StatusHandlerInterface() = default;
 
        virtual void onRequested(const Callback& callback) = 0;
        virtual void onScheduled(const Callback& callback) = 0;
        virtual void onReached(const Callback& callback) = 0;
        virtual void onPreempted(const Callback& callback) = 0;
        virtual void onReleased(const Callback& callback) = 0;
        virtual void onAborted(const Callback& callback) = 0;
 
        /// Called for every update, whatever its status.
        virtual void onAny(const Callback& callback) = 0;
    };
 
} // namespace armarx::view_selection::client