widget/gtk/nsClipboard.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef __nsClipboard_h_
   9 #define __nsClipboard_h_
  10
  11 #include "nsIClipboard.h"
  12 #include "nsClipboardPrivacyHandler.h"
  13 #include "nsAutoPtr.h"
  14 #include <gtk/gtk.h>
  15
  16 class nsClipboard : public nsIClipboard,
  17                     public nsIObserver
  18 {
  19 public:
  20     nsClipboard();
  21     virtual ~nsClipboard();
  22
  23     NS_DECL_ISUPPORTS
  24
  25     NS_DECL_NSICLIPBOARD
  26     NS_DECL_NSIOBSERVER
  27
  28     // Make sure we are initialized, called from the factory
  29     // constructor
  30     nsresult  Init              (void);
  31
  32     // Someone requested the selection
  33     void   SelectionGetEvent    (GtkClipboard     *aGtkClipboard,
  34                                  GtkSelectionData *aSelectionData);
  35     void   SelectionClearEvent  (GtkClipboard     *aGtkClipboard);
  36
  37 private:
  38     // Utility methods
  39     static GdkAtom               GetSelectionAtom (int32_t aWhichClipboard);
  40     static GtkSelectionData     *GetTargets       (GdkAtom aWhichClipboard);
  41
  42     // Save global clipboard content to gtk
  43     nsresult                     Store            (void);
  44
  45     // Get our hands on the correct transferable, given a specific
  46     // clipboard
  47     nsITransferable             *GetTransferable  (int32_t aWhichClipboard);
  48
  49     // Hang on to our owners and transferables so we can transfer data
  50     // when asked.
  51     nsCOMPtr<nsIClipboardOwner>  mSelectionOwner;
  52     nsCOMPtr<nsIClipboardOwner>  mGlobalOwner;
  53     nsCOMPtr<nsITransferable>    mSelectionTransferable;
  54     nsCOMPtr<nsITransferable>    mGlobalTransferable;
  55     nsRefPtr<nsClipboardPrivacyHandler> mPrivacyHandler;
  56
  57 };
  58
  59 #endif /* __nsClipboard_h_ */