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diff --git a/vcl/aqua/source/dtrans/DragSource.hxx b/vcl/aqua/source/dtrans/DragSource.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: DragSource.hxx,v $
+ * $Revision: 1.4 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _DRAGSOURCE_HXX_
+#define _DRAGSOURCE_HXX_
+
+#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
+#include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <cppuhelper/compbase3.hxx>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <cppuhelper/basemutex.hxx>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <osl/thread.h>
+#include <com/sun/star/awt/MouseEvent.hpp>
+
+#include <boost/utility.hpp>
+
+#include <premac.h>
+#import <Cocoa/Cocoa.h>
+#include <postmac.h>
+
+
+class DragSource;
+
+/* The functions declared in this protocol are actually
+   declared in vcl/aqua/inc/salframe.h. Because we want
+   to avoid importing VCL headers in UNO services and
+   on the other hand want to avoid warnings caused by
+   gcc complaining about unknowness of these functions
+   we declare them in a protocol here and cast at the
+   appropriate places.
+*/
+@protocol MouseEventListener
+-(void)registerMouseEventListener:(id)theHandler;
+-(void)unregisterMouseEventListener:(id)theHandler;
+@end
+
+
+@interface DragSourceHelper : NSObject
+{
+  DragSource* mDragSource;
+}
+
+-(DragSourceHelper*)initWithDragSource: (DragSource*) pds;
+
+-(void)mouseDown: (NSEvent*)theEvent;
+-(void)mouseDragged: (NSEvent*)theEvent;
+
+-(unsigned int)draggingSourceOperationMaskForLocal:(MacOSBOOL)isLocal;
+-(void)draggedImage:(NSImage*)anImage beganAt:(NSPoint)aPoint;
+-(void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation;
+-(void)draggedImage:(NSImage *)draggedImage movedTo:(NSPoint)screenPoint;
+
+@end
+
+
+class DragSource : public ::cppu::BaseMutex,
+                   public ::cppu::WeakComponentImplHelper3< com::sun::star::datatransfer::dnd::XDragSource,
+                                                            com::sun::star::lang::XInitialization,
+                                                            com::sun::star::lang::XServiceInfo >,
+                   private ::boost::noncopyable
+{
+public:
+  DragSource();
+  virtual ~DragSource();
+
+  // XInitialization
+  virtual void SAL_CALL initialize( const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
+    throw(com::sun::star::uno::Exception/*, com::sun::star::uno::RuntimeException*/);
+
+  // XDragSource
+  virtual sal_Bool SAL_CALL isDragImageSupported(  ) throw(com::sun::star::uno::RuntimeException);
+
+  virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction)
+    throw(com::sun::star::lang::IllegalArgumentException, com::sun::star::uno::RuntimeException);
+
+  virtual void SAL_CALL startDrag( const com::sun::star::datatransfer::dnd::DragGestureEvent& trigger,
+                                   sal_Int8 sourceActions,
+                                   sal_Int32 cursor,
+                                   sal_Int32 image,
+                                   const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& transferable,
+                                   const com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceListener >& listener )
+    throw(com::sun::star::uno::RuntimeException);
+
+  // XServiceInfo
+  virtual rtl::OUString SAL_CALL getImplementationName() throw (com::sun::star::uno::RuntimeException);
+  virtual sal_Bool SAL_CALL supportsService(const rtl::OUString& ServiceName) throw (com::sun::star::uno::RuntimeException);
+  virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames() throw (com::sun::star::uno::RuntimeException);
+
+  virtual void saveMouseEvent(NSEvent* theEvent);
+  virtual unsigned int getSupportedDragOperations(bool isLocal) const;
+
+public:
+  // The context notifies the XDragSourceListeners
+  com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceContext > mXCurrentContext;
+
+  id mView;
+  NSEvent* mLastMouseEventBeforeStartDrag;
+  DragSourceHelper* mDragSourceHelper;
+  com::sun::star::awt::MouseEvent mMouseEvent;
+  com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable > mXTransferable;
+  com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceListener > mXDragSrcListener;
+  // The mouse button that set off the drag and drop operation
+  short m_MouseButton;
+  sal_Int8 mDragSourceActions;
+
+  static com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable > g_XTransferable;
+  static NSView* g_DragSourceView;
+  static bool    g_DropSuccessSet;
+  static bool    g_DropSuccess;
+
+};
+
+
+#endif