lgrMediaStreamView.h

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/******************************************************************************
** Copyright (c) 1992-2016 VT MAK
** All rights reserved.
******************************************************************************/

#pragma once

#include <lgrGui/lgrGui.h>

#include <lgrGui/lgrGuiComponent.h>
#include <lgrUtil/absoluteTime.h>

class QWidget;

namespace MAKLogger
{
   class DtLgrGuiModel;
   class DtProgressiveLineGraph;
   class DtLgrMediaStreamViewWidget;

   class DT_DLL_LGRGUI DtLgrMediaStreamView : public DtLgrGuiComponent
   {

      Q_OBJECT

   public:

      DtLgrMediaStreamView(DtLgrGuiModel*);

      virtual ~DtLgrMediaStreamView();

      virtual QWidget* initialize(QWidget* parent);

      virtual void activate();

      virtual void deactivate();

      virtual bool canCloseFile() const;

      void startView();

      void stopView();

      void clearView();

      void closeView();

      virtual double updateTime();

      virtual void update();

      virtual MAKLogger::DtLgrZoomableWidget* zoomComponent();

      virtual DtLgrMediaStreamViewWidget* widget();

   public slots:

      void fileOpenChanged(QString fileName);
      void connectionStatusChanged(bool connected);
      void playbackStateChanged(bool isPlaying);
      void playbackPausedChanged(bool isPaused);


   protected:
      DtLgrGuiModel* myGuiModel;
      DtLgrMediaStreamViewWidget* myWidget;
      bool myActiveState;
      DtAbsoluteTime myLastUpdateTime;
      bool myIsVisible;

      // Update at 1/10 the default redraw rate.
      const static int theRequestUpdateRate = 10;

   };
}