/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1999-2000
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Stuart Parmenter <pavlov@netscape.com>
 *   Mike Pinkerton   <pinkerton@netscape.com>
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#ifndef nsClipboard_h__
#define nsClipboard_h__

#include <Pt.h>

#include "nsIClipboard.h"
#include "nsITransferable.h"
#include "nsIClipboardOwner.h"
#include <nsCOMPtr.h>

class nsITransferable;
class nsIClipboardOwner;
class nsIWidget;

/**
 * Native Clipboard wrapper
 */

class nsClipboard : public nsIClipboard
{

public:
  nsClipboard();
  virtual ~nsClipboard();

  //nsISupports
  NS_DECL_ISUPPORTS

  // nsIClipboard
  NS_DECL_NSICLIPBOARD

  NS_IMETHOD SetInputGroup(PRInt32 aInputGroup)
  {
    mInputGroup = aInputGroup;
    return NS_OK;
  }


protected:
  NS_IMETHOD SetNativeClipboardData(PRInt32 aWhichClipboard);
  NS_IMETHOD GetNativeClipboardData(nsITransferable * aTransferable, 
                                    PRInt32 aWhichClipboard );
nsresult GetFormat(const char* aMimeStr, char *format );

  PRBool  mIgnoreEmptyNotification;
	inline nsITransferable *GetTransferable(PRInt32 aWhichClipboard);

private:
  unsigned long GetFlavourTimestamp( char *type );
  nsCOMPtr<nsIClipboardOwner> mSelectionOwner;
  nsCOMPtr<nsIClipboardOwner> mGlobalOwner;
  nsCOMPtr<nsITransferable>   mSelectionTransferable;
  nsCOMPtr<nsITransferable>   mGlobalTransferable;

  // Used for communicating pasted data
  // from the asynchronous X routines back to a blocking paste:
  PRBool mBlocking;
  // Used for keeping track of the current input group
  PRInt32 mInputGroup;
};

#endif // nsClipboard_h__