widget/src/gtk2/nsClipboard.h

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  19  * The Initial Developer of the Original Code is Christopher Blizzard
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  38
  39 #ifndef __nsClipboard_h_
  40 #define __nsClipboard_h_
  41
  42 #include "nsIClipboard.h"
  43 #include "nsClipboardPrivacyHandler.h"
  44 #include "nsAutoPtr.h"
  45 #include <gtk/gtk.h>
  46
  47 class nsClipboard : public nsIClipboard,
  48                     public nsIObserver
  49 {
  50 public:
  51     nsClipboard();
  52     virtual ~nsClipboard();
  53
  54     NS_DECL_ISUPPORTS
  55
  56     NS_DECL_NSICLIPBOARD
  57     NS_DECL_NSIOBSERVER
  58
  59     // Make sure we are initialized, called from the factory
  60     // constructor
  61     nsresult  Init              (void);
  62
  63     // Someone requested the selection
  64     void   SelectionGetEvent    (GtkClipboard     *aGtkClipboard,
  65                                  GtkSelectionData *aSelectionData);
  66     void   SelectionClearEvent  (GtkClipboard     *aGtkClipboard);
  67
  68 private:
  69     // Utility methods
  70     static GdkAtom               GetSelectionAtom (PRInt32 aWhichClipboard);
  71     static GtkSelectionData     *GetTargets       (GdkAtom aWhichClipboard);
  72
  73     // Save global clipboard content to gtk
  74     nsresult                     Store            (void);
  75
  76     // Get our hands on the correct transferable, given a specific
  77     // clipboard
  78     nsITransferable             *GetTransferable  (PRInt32 aWhichClipboard);
  79
  80     // Hang on to our owners and transferables so we can transfer data
  81     // when asked.
  82     nsCOMPtr<nsIClipboardOwner>  mSelectionOwner;
  83     nsCOMPtr<nsIClipboardOwner>  mGlobalOwner;
  84     nsCOMPtr<nsITransferable>    mSelectionTransferable;
  85     nsCOMPtr<nsITransferable>    mGlobalTransferable;
  86     nsRefPtr<nsClipboardPrivacyHandler> mPrivacyHandler;
  87
  88 };
  89
  90 #endif /* __nsClipboard_h_ */