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nsIDragSessionGTK.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
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00011  * Software distributed under the License is distributed on an "AS IS" basis,
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00015  *
00016  * The Original Code is mozilla.org code.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Christopher Blizzard <blizzard@mozilla.org>.
00020  * Portions created by the Initial Developer are Copyright (C) 1998
00021  * the Initial Developer. All Rights Reserved.
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00023  * Contributor(s):
00024  *   Christopher Blizzard <blizzard@mozilla.org>
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00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00039 
00040 #ifndef nsIDragSessionGTK_h_
00041 #define nsIDragSessionGTK_h_
00042 
00043 #include "nsISupports.h"
00044 
00045 #include <gtk/gtk.h>
00046 
00047 typedef void (*nsIDragSessionGTKTimeCB)(guint32 *aTime);
00048 
00049 #define NS_IDRAGSESSIONGTK_IID \
00050 { 0xa6b49c42, 0x1dd1, 0x11b2, { 0xb2, 0xdf, 0xc1, 0xd6, 0x1d, 0x67, 0x45, 0xcf } };
00051 
00052 class nsIDragSessionGTK : public nsISupports {
00053 public:
00054   NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDRAGSESSIONGTK_IID)
00055 
00056   // Thse are all target methods - that is when the mozilla is a
00057   // target of a drag.  Any methods related to when mozilla starts a
00058   // drag are elsewhere.
00059     
00060   // this sets the last drag context used where mozilla is the target
00061   // of a drag
00062   NS_IMETHOD TargetSetLastContext  (GtkWidget      *aWidget,
00063                                     GdkDragContext *aContext,
00064                                     guint           aTime) = 0;
00065   // this is called at the beginning of a drag motion event
00066   NS_IMETHOD TargetStartDragMotion (void) = 0;
00067   // this is called at the end of a drag motion event
00068   NS_IMETHOD TargetEndDragMotion   (GtkWidget      *aWidget,
00069                                     GdkDragContext *aContext,
00070                                     guint           aTime) = 0;
00071   // this is called when data is received after being sent above
00072   NS_IMETHOD TargetDataReceived    (GtkWidget         *aWidget,
00073                                     GdkDragContext    *aContext,
00074                                     gint               aX,
00075                                     gint               aY,
00076                                     GtkSelectionData  *aSelection_data,
00077                                     guint              aInfo,
00078                                     guint32            aTime) = 0;
00079   // this sets a callback for time related fun
00080   NS_IMETHOD TargetSetTimeCallback (nsIDragSessionGTKTimeCB aCallback) = 0;
00081 
00082 };
00083 
00084 #endif /* nsIDragSessionGTK_h_ */