include/vrvCoreQt/DtMovieUrlLabel.h

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/*******************************************************************************
** Copyright (c) 2011 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: DtMovieUrlLabel.h,v $ $Revision: 1.22 $ $State: Exp $
*******************************************************************************/


#pragma once

#include <vrvCoreQt/vrvCoreQt.h>

#include <vrvCoreQt/DtUrlLabel.h>
#include <boost/unordered_map.hpp>

class QMovie;

namespace makVrv
{     
   class DT_DLL_VRVCOREQT DtMovieUrlLabel : public DtUrlLabel
   {
      Q_OBJECT

   public:
      DtMovieUrlLabel( QWidget* parent=0, Qt::WindowFlags f=0 );

      virtual ~DtMovieUrlLabel();

      virtual void setMovie(QMovie* movie);

      virtual void addUrl( const QString& url, int startFrame, int endFrame );

      virtual void setUrl( const QString& url);

      virtual QString url() const;
      
      virtual QString url(int frame) const;

      virtual void removeUrl( const QString& url );

      virtual void setInfiniteLoop( bool b );

   protected slots:
      void onMovieFinished();
      
      void updateTooltip(int frame);

   protected:
      // Utility structure to hold start and end frame as one item
      // (for use in a map)
      struct FrameRange
      {
         int startFrame;
         int endFrame;
      };

      // Map type for maintaining url to animation frames relationships
      typedef boost::unordered_map<std::string, FrameRange> UrlFramesMap;

      // Pointer to the movie set by the user.  Deleted when class is
      // destructed
      QMovie* myMovie;

      // Map of Url to frame number relationships
      UrlFramesMap myUrlFramesMap;

      // Indicate whether this class should force animation looping
      bool myInfiniteLoop;
   };
}