work_queue.h

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/*
 * Software License Agreement  (BSD License)
 *
 *  Point Cloud Library  (PCL) - www.pointclouds.org
 *  Copyright  (c) 2012, Jeremie Papon.
 *
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#ifndef WORK_QUEUE_H_
#define WORK_QUEUE_H_

#include "qt.h"

#include <pcl/apps/cloud_composer/commands.h>

namespace pcl
{
  namespace cloud_composer
  {
    class AbstractTool;
    class CloudComposerItem;
    
    struct ActionPair
    {
      CloudCommand* command;  
      AbstractTool* tool;
    };
    
    class WorkQueue : public QObject
    {
      Q_OBJECT
      public:
        WorkQueue (QObject* parent = 0);  
        virtual ~WorkQueue();  
      public slots:
        void
        enqueueNewAction (AbstractTool* new_tool, ConstItemList input_data);
        
        void 
        actionFinished (ActionPair finished_action);
        
        void 
        checkQueue ();
      signals:
        void 
        commandProgress (QString command_text, double progress);

        void
        commandComplete (CloudCommand* completed_command);
        
      private:
        QQueue <ActionPair> work_queue_;
        
    };
  }
}

#endif //WORK_QUEUE_H_