vcl/osx/DragSource.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_OSX_DRAGSOURCE_HXX
  21 #define INCLUDED_VCL_OSX_DRAGSOURCE_HXX
  22
  23 #include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
  24 #include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
  25 #include <com/sun/star/lang/XInitialization.hpp>
  26 #include <cppuhelper/compbase3.hxx>
  27 #include <com/sun/star/lang/XServiceInfo.hpp>
  28 #include <cppuhelper/basemutex.hxx>
  29 #include <com/sun/star/uno/XComponentContext.hpp>
  30 #include <osl/thread.h>
  31 #include <com/sun/star/awt/MouseEvent.hpp>
  32
  33 #include <boost/utility.hpp>
  34
  35 #include <premac.h>
  36 #import <Cocoa/Cocoa.h>
  37 #include <postmac.h>
  38
  39 class DragSource;
  40 class AquaSalFrame;
  41
  42 /* The functions declared in this protocol are actually
  43    declared in vcl/inc/osx/salframe.h. Because we want
  44    to avoid importing VCL headers in UNO services and
  45    on the other hand want to avoid warnings caused by
  46    gcc complaining about unknowness of these functions
  47    we declare them in a protocol here and cast at the
  48    appropriate places.
  49 */
  50 @protocol MouseEventListener
  51 -(void)registerMouseEventListener:(id)theHandler;
  52 -(void)unregisterMouseEventListener:(id)theHandler;
  53 @end
  54
  55 @interface DragSourceHelper : NSObject
  56 {
  57   DragSource* mDragSource;
  58 }
  59
  60 -(DragSourceHelper*)initWithDragSource: (DragSource*) pds;
  61
  62 -(void)mouseDown: (NSEvent*)theEvent;
  63 -(void)mouseDragged: (NSEvent*)theEvent;
  64
  65 -(unsigned int)draggingSourceOperationMaskForLocal:(BOOL)isLocal;
  66 -(void)draggedImage:(NSImage*)anImage beganAt:(NSPoint)aPoint;
  67 -(void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation;
  68 -(void)draggedImage:(NSImage *)draggedImage movedTo:(NSPoint)screenPoint;
  69
  70 @end
  71
  72 class DragSource : public ::cppu::BaseMutex,
  73                    public ::cppu::WeakComponentImplHelper3< com::sun::star::datatransfer::dnd::XDragSource,
  74                                                             com::sun::star::lang::XInitialization,
  75                                                             com::sun::star::lang::XServiceInfo >,
  76                    private ::boost::noncopyable
  77 {
  78 public:
  79   DragSource();
  80   virtual ~DragSource();
  81
  82   // XInitialization
  83   virtual void SAL_CALL initialize( const com::sun::star::uno::Sequence< com::sun::star::uno::Any >& aArguments )
  84     throw(com::sun::star::uno::Exception, std::exception/*, com::sun::star::uno::RuntimeException*/) SAL_OVERRIDE;
  85
  86   // XDragSource
  87   virtual sal_Bool SAL_CALL isDragImageSupported(  ) throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  88
  89   virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction)
  90     throw(com::sun::star::lang::IllegalArgumentException, com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  91
  92   virtual void SAL_CALL startDrag( const com::sun::star::datatransfer::dnd::DragGestureEvent& trigger,
  93                                    sal_Int8 sourceActions,
  94                                    sal_Int32 cursor,
  95                                    sal_Int32 image,
  96                                    const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& transferable,
  97                                    const com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceListener >& listener )
  98     throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  99
 100   // XServiceInfo
 101   virtual OUString SAL_CALL getImplementationName() throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 102   virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 103   virtual com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() throw (com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 104
 105   void saveMouseEvent(NSEvent* theEvent);
 106   unsigned int getSupportedDragOperations(bool isLocal) const;
 107
 108 public:
 109   // The context notifies the XDragSourceListeners
 110   com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceContext > mXCurrentContext;
 111
 112   id mView;
 113   AquaSalFrame* mpFrame;
 114   NSEvent* mLastMouseEventBeforeStartDrag;
 115   DragSourceHelper* mDragSourceHelper;
 116   com::sun::star::awt::MouseEvent mMouseEvent;
 117   com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable > mXTransferable;
 118   com::sun::star::uno::Reference< com::sun::star::datatransfer::dnd::XDragSourceListener > mXDragSrcListener;
 119   // The mouse button that set off the drag and drop operation
 120   short m_MouseButton;
 121   sal_Int8 mDragSourceActions;
 122
 123   static com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable > g_XTransferable;
 124   static NSView* g_DragSourceView;
 125   static bool    g_DropSuccessSet;
 126   static bool    g_DropSuccess;
 127
 128 };
 129
 130 #endif // INCLUDED_VCL_OSX_DRAGSOURCE_HXX
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */