dtrans/source/aqua/DragSource.hxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: DragSource.hxx,v $
  10  * $Revision: 1.4 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 #ifndef _DRAGSOURCE_HXX_
  32 #define _DRAGSOURCE_HXX_
  33
  34 #include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
  35 #include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
  36 #include <com/sun/star/lang/XInitialization.hpp>
  37 #include <cppuhelper/compbase3.hxx>
  38 #include <com/sun/star/lang/XServiceInfo.hpp>
  39 #include <cppuhelper/basemutex.hxx>
  40 #include <com/sun/star/uno/XComponentContext.hpp>
  41 #include <osl/thread.h>
  42 #include <com/sun/star/awt/MouseEvent.hpp>
  43
  44 #include <boost/utility.hpp>
  45
  46 #include <premac.h>
  47 #import <Cocoa/Cocoa.h>
  48 #include <postmac.h>
  49
  50
  51 class DragSource;
  52
  53 /* The functions declared in this protocol are actually
  54    declared in vcl/aqua/inc/salframe.h. Because we want
  55    to avoid importing VCL headers in UNO services and
  56    on the other hand want to avoid warnings caused by
  57    gcc complaining about unknowness of these functions
  58    we declare them in a protocol here and cast at the
  59    appropriate places.
  60 */
  61 @protocol MouseEventListener
  62 -(void)registerMouseEventListener:(id)theHandler;
  63 -(void)unregisterMouseEventListener:(id)theHandler;
  64 @end
  65
  66
  67 @interface DragSourceHelper : NSObject
  68 {
  69   DragSource* mDragSource;
  70 }
  71
  72 -(DragSourceHelper*)initWithDragSource: (DragSource*) pds;
  73
  74 -(void)mouseDown: (NSEvent*)theEvent;
  75 -(void)mouseDragged: (NSEvent*)theEvent;
  76
  77 -(unsigned int)draggingSourceOperationMaskForLocal:(MacOSBOOL)isLocal;
  78 -(void)draggedImage:(NSImage*)anImage beganAt:(NSPoint)aPoint;
  79 -(void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation;
  80 -(void)draggedImage:(NSImage *)draggedImage movedTo:(NSPoint)screenPoint;
  81
  82 @end
  83
  84
  85 class DragSource : public ::cppu::BaseMutex,
  86                    public ::cppu::WeakComponentImplHelper3< com::sun::star::datatransfer::dnd::XDragSource,
  87                                                             com::sun::star::lang::XInitialization,
  88                                                             com::sun::star::lang::XServiceInfo >,
  89                    private ::boost::noncopyable
  90 {
  91 public:
  92   DragSource(const com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext>& context);
  93   virtual ~DragSource();
  94
  95   // XInitialization
  96   virtual void SAL_CALL initialize( const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
  97     throw(com::sun::star::uno::Exception/*, com::sun::star::uno::RuntimeException*/);
  98
  99   // XDragSource
 100   virtual sal_Bool SAL_CALL isDragImageSupported(  ) throw(com::sun::star::uno::RuntimeException);
 101
 102   virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction)
 103     throw(com::sun::star::lang::IllegalArgumentException, com::sun::star::uno::RuntimeException);
 104
 105   virtual void SAL_CALL startDrag( const com::sun::star::datatransfer::dnd::DragGestureEvent& trigger,
 106                                    sal_Int8 sourceActions,
 107                                    sal_Int32 cursor,
 108                                    sal_Int32 image,
 109                                    const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& transferable,
 110                                    const com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceListener >& listener )
 111     throw(com::sun::star::uno::RuntimeException);
 112
 113   // XServiceInfo
 114   virtual rtl::OUString SAL_CALL getImplementationName() throw (com::sun::star::uno::RuntimeException);
 115   virtual sal_Bool SAL_CALL supportsService(const rtl::OUString& ServiceName) throw (com::sun::star::uno::RuntimeException);
 116   virtual com::sun::star::uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames() throw (com::sun::star::uno::RuntimeException);
 117
 118   virtual void saveMouseEvent(NSEvent* theEvent);
 119   virtual unsigned int getSupportedDragOperations(bool isLocal) const;
 120
 121 public:
 122   com::sun::star::uno::Reference<com::sun::star::uno::XComponentContext> mXComponentContext;
 123
 124   // The context notifies the XDragSourceListeners
 125   com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceContext > mXCurrentContext;
 126
 127   id mView;
 128   NSEvent* mLastMouseEventBeforeStartDrag;
 129   DragSourceHelper* mDragSourceHelper;
 130   com::sun::star::awt::MouseEvent mMouseEvent;
 131   com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable > mXTransferable;
 132   com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceListener > mXDragSrcListener;
 133   // The mouse button that set off the drag and drop operation
 134   short m_MouseButton;
 135   sal_Int8 mDragSourceActions;
 136
 137   static com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable > g_XTransferable;
 138   static NSView* g_DragSourceView;
 139   static bool    g_DropSuccessSet;
 140   static bool    g_DropSuccess;
 141
 142 };
 143
 144
 145 #endif