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/* 
 *
 * $Id: k3bmediacontentsview.h 619556 2007-01-03 17:38:12Z trueg $
 * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
 *
 * This file is part of the K3b project.
 * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file "COPYING" for the exact licensing terms.
 */


#ifndef _K3B_MEDIUM_CONTENTS_VIEW_H_
#define _K3B_MEDIUM_CONTENTS_VIEW_H_

#include "k3bcontentsview.h"
#include <k3bthememanager.h>
#include <k3bmedium.h>

class K3bThemedHeader;


/**
 * Abstract class from which all cd views must be derived. The contents view automatically handles medium changes for
 * the selected device and reloads the contents if a new usable medium is inserted or disables the controls if the
 * medium is just ejected. For this to work the proper content types have to be set.
 *
 * TODO: how about giving this one a TDEActionCollection so it can handle the toolbar automatically
 */
class K3bMediaContentsView : public K3bContentsView
{
  TQ_OBJECT
  

 public:
  virtual ~K3bMediaContentsView();

  const K3bMedium& medium() const;

  /**
   * Equals medium().device()
   */
  K3bDevice::Device* device() const;

  /**
   * \return A bitwise or of K3bMedium::ContentType which
   * represents the content types that can be displayed by this
   * medium view.
   */
  int supportedMediumContent() const;
  int supportedMediumTypes() const;
  int supportedMediumStates() const;

 public slots:
  /**
   * Does some internal stuff and calls reloadMedium.
   * Normally there is no need to call this manually.
   */
  void reload();
  
  /**
   * Has the same effect as reload( k3bappcore->mediaCache()->medium( dev ) );
   */
  void reload( K3bDevice::Device* dev );

  /**
   * Has the same effect as setMedium( m ), reload()
   */
  void reload( const K3bMedium& m );

  /**
   * Enable or disable auto reloading when a new medium is inserted.
   * If enabled (the default) the view will be reloaded if a new usable
   * (as determined by the supportedXXX methods) medium has been inserted
   * into the current device.
   */
  void setAutoReload( bool b );

  /**
   * Enable or disable the controls of this view.
   * The default implementation simply disables the whole window
   */
  virtual void enableInteraction( bool enable );

 protected:
  K3bMediaContentsView( bool withHeader,
			int mediumContent,
			int mediumTypes,
			int mediumState,
			TQWidget* parent = 0, 
			const char* name = 0 );

  /**
   * Changes the medium without reloading the contents.
   * Do not use, use reload( const K3bMedium& ) instead.
   */
  void setMedium( const K3bMedium& );

  /**
   * Called by reload. Reimplement to actually display
   * the contents of the medium.
   */
  virtual void reloadMedium() = 0;

 private slots:
  void slotMediumChanged( K3bDevice::Device* );

 private:
  class Private;
  Private* d;
};

#endif