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nsClipboard.h
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00037 
00038 //
00039 // Mike Pinkerton
00040 // Netscape Communications
00041 //
00042 // Native MacOS Clipboard Implementation of nsIClipboard. This contains
00043 // the FE-specific implementations of the pure virtuals in nsBaseClipboard
00044 //
00045 
00046 #ifndef nsClipboard_h__
00047 #define nsClipboard_h__
00048 
00049 #include "nsBaseClipboard.h"
00050 
00051 #include "Types.h"
00052 
00053 class nsITransferable;
00054 
00055 
00056 class nsClipboard : public nsBaseClipboard
00057 {
00058 
00059 public:
00060   nsClipboard();
00061   virtual ~nsClipboard();
00062 
00063   // nsIClipboard  
00064   NS_IMETHOD  HasDataMatchingFlavors(nsISupportsArray *aFlavorList, PRInt32 aWhichClipboard, PRBool *_retval); 
00065 
00066 protected:
00067 
00068   // impelement the native clipboard behavior
00069   NS_IMETHOD SetNativeClipboardData ( PRInt32 aWhichClipboard );
00070   NS_IMETHOD GetNativeClipboardData ( nsITransferable * aTransferable, PRInt32 aWhichClipboard );
00071 
00072   // helper to get the data off the clipboard. Caller responsible for deleting
00073   // |outData| with delete[].
00074   nsresult GetDataOffClipboard ( ResType inMacFlavor, void** outData, PRInt32* outDataSize ) ;
00075 
00076   // helper to check if the data is really there
00077   PRBool CheckIfFlavorPresent ( ResType inMacFlavor ) ;
00078 
00079   // actually places data on the clipboard
00080   nsresult PutOnClipboard ( ResType inFlavor, const void* inData, PRInt32 inLen ) ;
00081 
00082 }; // nsClipboard
00083 
00084 #endif // nsClipboard_h__