widget/public/nsIDragSessionGTK.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is mozilla.org code.
  17  *
  18  * The Initial Developer of the Original Code is
  19  * Christopher Blizzard <blizzard@mozilla.org>.
  20  * Portions created by the Initial Developer are Copyright (C) 1998
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *   Christopher Blizzard <blizzard@mozilla.org>
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of
  27  * either the GNU General Public License Version 2 or later (the "GPL"), or
  28  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29  * in which case the provisions of the GPL or the LGPL are applicable instead
  30  * of those above. If you wish to allow use of your version of this file only
  31  * under the terms of either the GPL or the LGPL, and not to allow others to
  32  * use your version of this file under the terms of the MPL, indicate your
  33  * decision by deleting the provisions above and replace them with the notice
  34  * and other provisions required by the GPL or the LGPL. If you do not delete
  35  * the provisions above, a recipient may use your version of this file under
  36  * the terms of any one of the MPL, the GPL or the LGPL.
  37  *
  38  * ***** END LICENSE BLOCK ***** */
  39
  40 #ifndef nsIDragSessionGTK_h_
  41 #define nsIDragSessionGTK_h_
  42
  43 #include "nsISupports.h"
  44
  45 #include <gtk/gtk.h>
  46
  47 typedef void (*nsIDragSessionGTKTimeCB)(guint32 *aTime);
  48
  49 #define NS_IDRAGSESSIONGTK_IID \
  50 { 0xa6b49c42, 0x1dd1, 0x11b2, { 0xb2, 0xdf, 0xc1, 0xd6, 0x1d, 0x67, 0x45, 0xcf } }
  51
  52 class nsIDragSessionGTK : public nsISupports {
  53 public:
  54   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDRAGSESSIONGTK_IID)
  55
  56   // Thse are all target methods - that is when the mozilla is a
  57   // target of a drag.  Any methods related to when mozilla starts a
  58   // drag are elsewhere.
  59
  60   // this sets the last drag context used where mozilla is the target
  61   // of a drag
  62   NS_IMETHOD TargetSetLastContext  (GtkWidget      *aWidget,
  63                                     GdkDragContext *aContext,
  64                                     guint           aTime) = 0;
  65   // this is called at the beginning of a drag motion event
  66   NS_IMETHOD TargetStartDragMotion (void) = 0;
  67   // this is called at the end of a drag motion event
  68   NS_IMETHOD TargetEndDragMotion   (GtkWidget      *aWidget,
  69                                     GdkDragContext *aContext,
  70                                     guint           aTime) = 0;
  71   // this is called when data is received after being sent above
  72   NS_IMETHOD TargetDataReceived    (GtkWidget         *aWidget,
  73                                     GdkDragContext    *aContext,
  74                                     gint               aX,
  75                                     gint               aY,
  76                                     GtkSelectionData  *aSelection_data,
  77                                     guint              aInfo,
  78                                     guint32            aTime) = 0;
  79   // this sets a callback for time related fun
  80   NS_IMETHOD TargetSetTimeCallback (nsIDragSessionGTKTimeCB aCallback) = 0;
  81
  82 };
  83
  84 NS_DEFINE_STATIC_IID_ACCESSOR(nsIDragSessionGTK, NS_IDRAGSESSIONGTK_IID)
  85
  86 #endif /* nsIDragSessionGTK_h_ */