widget/src/windows/nsClipboard.h

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  37
  38 #ifndef nsClipboard_h__
  39 #define nsClipboard_h__
  40
  41 #include "nsBaseClipboard.h"
  42 #include "nsIURI.h"
  43 #include <windows.h>
  44
  45 class nsITransferable;
  46 class nsIClipboardOwner;
  47 class nsIWidget;
  48 class nsILocalFile;
  49 struct IDataObject;
  50
  51 /**
  52  * Native Win32 Clipboard wrapper
  53  */
  54
  55 class nsClipboard : public nsBaseClipboard
  56 {
  57
  58 public:
  59   nsClipboard();
  60   virtual ~nsClipboard();
  61
  62   // nsIClipboard
  63   NS_IMETHOD HasDataMatchingFlavors(const char** aFlavorList, PRUint32 aLength,
  64                                     PRInt32 aWhichClipboard, PRBool *_retval);
  65
  66   // Internal Native Routines
  67   static nsresult CreateNativeDataObject(nsITransferable * aTransferable,
  68                                          IDataObject ** aDataObj,
  69                                          nsIURI       * uri);
  70   static nsresult SetupNativeDataObject(nsITransferable * aTransferable,
  71                                         IDataObject * aDataObj);
  72   static nsresult GetDataFromDataObject(IDataObject     * aDataObject,
  73                                         UINT              anIndex,
  74                                         nsIWidget       * aWindow,
  75                                         nsITransferable * aTransferable);
  76   static nsresult GetNativeDataOffClipboard(nsIWidget * aWindow, UINT aIndex, UINT aFormat, void ** aData, PRUint32 * aLen);
  77   static nsresult GetNativeDataOffClipboard(IDataObject * aDataObject, UINT aIndex, UINT aFormat, const char * aMIMEImageFormat, void ** aData, PRUint32 * aLen);
  78   static nsresult GetGlobalData(HGLOBAL aHGBL, void ** aData, PRUint32 * aLen);
  79   static UINT     GetFormat(const char* aMimeStr);
  80
  81   static UINT     CF_HTML;
  82
  83 protected:
  84   NS_IMETHOD SetNativeClipboardData ( PRInt32 aWhichClipboard );
  85   NS_IMETHOD GetNativeClipboardData ( nsITransferable * aTransferable, PRInt32 aWhichClipboard );
  86
  87   static PRBool IsInternetShortcut ( const nsAString& inFileName ) ;
  88   static PRBool FindURLFromLocalFile ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen ) ;
  89   static PRBool FindURLFromNativeURL ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen ) ;
  90   static PRBool FindUnicodeFromPlainText ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen ) ;
  91   static PRBool FindPlatformHTML ( IDataObject* inDataObject, UINT inIndex, void** outData, PRUint32* outDataLen );
  92   static void ResolveShortcut ( nsILocalFile* inFileName, nsACString& outURL ) ;
  93
  94   nsIWidget         * mWindow;
  95
  96 };
  97
  98 #define SET_FORMATETC(fe, cf, td, asp, li, med)   \
  99    {\
 100    (fe).cfFormat=cf;\
 101    (fe).ptd=td;\
 102    (fe).dwAspect=asp;\
 103    (fe).lindex=li;\
 104    (fe).tymed=med;\
 105    }
 106
 107
 108 #endif // nsClipboard_h__
 109