gecko/widget/src/windows/nsClipboard.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
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 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsClipboard_h__
#define nsClipboard_h__

#include "nsBaseClipboard.h"
#include "nsIURI.h"
#include <windows.h>

class nsITransferable;
class nsIClipboardOwner;
class nsIWidget;
class nsILocalFile;
struct IDataObject;

/**
 * Native Win32 Clipboard wrapper
 */

class nsClipboard : public nsBaseClipboard
{

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

  // nsIClipboard
  NS_IMETHOD HasDataMatchingFlavors(const char** aFlavorList, PRUint32 aLength,
                                    PRInt32 aWhichClipboard, PRBool *_retval); 

  // Internal Native Routines
  static nsresult CreateNativeDataObject(nsITransferable * aTransferable, 
                                         IDataObject ** aDataObj,
                                         nsIURI       * uri);
  static nsresult SetupNativeDataObject(nsITransferable * aTransferable, 
                                        IDataObject * aDataObj);
  static nsresult GetDataFromDataObject(IDataObject     * aDataObject,
                                        UINT              anIndex,
                                        nsIWidget       * aWindow,
                                        nsITransferable * aTransferable);
  static nsresult GetNativeDataOffClipboard(nsIWidget * aWindow, UINT aIndex, UINT aFormat, void ** aData, PRUint32 * aLen);
  static nsresult GetNativeDataOffClipboard(IDataObject * aDataObject, UINT aIndex, UINT aFormat, const char * aMIMEImageFormat, void ** aData, PRUint32 * aLen);
  static nsresult GetGlobalData(HGLOBAL aHGBL, void ** aData, PRUint32 * aLen);
  static UINT     GetFormat(const char* aMimeStr);

  static UINT     CF_HTML;
  
protected:
  NS_IMETHOD SetNativeClipboardData ( PRInt32 aWhichClipboard );
  NS_IMETHOD GetNativeClipboardData ( nsITransferable * aTransferable, PRInt32 aWhichClipboard );
  
  static PRBool IsInternetShortcut ( const nsAString& inFileName ) ;
  static PRBool FindURLFromLocalFile ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen ) ;
  static PRBool FindURLFromNativeURL ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen ) ;
  static PRBool FindUnicodeFromPlainText ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen ) ;
  static PRBool FindPlatformHTML ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen );
  static void ResolveShortcut ( nsILocalFile* inFileName, nsACString& outURL ) ;

  nsIWidget         * mWindow;

};

#define SET_FORMATETC(fe, cf, td, asp, li, med)   \
   {\
   (fe).cfFormat=cf;\
   (fe).ptd=td;\
   (fe).dwAspect=asp;\
   (fe).lindex=li;\
   (fe).tymed=med;\
   }


#endif // nsClipboard_h__