MarkerDetectorWidget.hpp

#pragma once

#include "Export.hpp"
#include "services/CodiceServiceAPI.hpp"

#include <MultiWidgets/Widget.hpp>

namespace Showcase
{

  class SHOWCASE_API MarkerDetectorWidget : public MultiWidgets::Widget
  {
    public:
      MarkerDetectorWidget(MultiWidgets::WidgetPtr parent = nullptr);
      virtual ~MarkerDetectorWidget();

      virtual void markerDown(MultiTouch::Marker m, MultiWidgets::GrabManager &) override;

      virtual void processInput(MultiWidgets::GrabManager &gm, float dt) override;

      void notifyTaskComplete(MultiTouch::TrackedObject::Id id);

      virtual bool shouldGrab(MultiWidgets::GrabManager &gm, MultiTouch::TrackedObject obj) const override;

    private:
      void cacheReadyObjects(MultiWidgets::GrabManager& gm);
      void invalidateCacheForAbsentObjects(const MultiTouch::Sample& sample);

      CodiceServiceAPI::MarkerProperties removePendingTask(MultiTouch::TrackedObject::Id id, bool cancelTask);
      void removeMarkers(int32_t frame);

      // Contains currently executing tasks by tracked object id
      QMap<MultiTouch::TrackedObject::Id, Radiant::TaskPtr> m_pendingTasks;

      // Ids for tracked objects ready to be cached
      QVector<MultiTouch::TrackedObject::Id> m_objectsToCache;

      // Multi-map of marker codes to tracked object ids
      QMap<uint64_t, MultiTouch::TrackedObject::Id> m_objectsInCache;
  };

  INTRUSIVE_PTR_TYPEDEF(MarkerDetectorWidget);

}