vcl/osx/DragSource.hxx

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   9  * This file incorporates work covered by the following license notice:
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  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  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/compbase.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 <premac.h>
  34 #import <Cocoa/Cocoa.h>
  35 #include <postmac.h>
  36
  37 class DragSource;
  38 class AquaSalFrame;
  39
  40 /* The functions declared in this protocol are actually
  41    declared in vcl/inc/osx/salframe.h. Because we want
  42    to avoid importing VCL headers in UNO services and
  43    on the other hand want to avoid warnings caused by
  44    gcc complaining about unknowness of these functions
  45    we declare them in a protocol here and cast at the
  46    appropriate places.
  47 */
  48 @protocol MouseEventListener
  49 -(void)registerMouseEventListener:(id)theHandler;
  50 -(void)unregisterMouseEventListener:(id)theHandler;
  51 @end
  52
  53 @interface DragSourceHelper : NSObject
  54 {
  55   DragSource* mDragSource;
  56 }
  57
  58 -(DragSourceHelper*)initWithDragSource: (DragSource*) pds;
  59
  60 -(void)mouseDown: (NSEvent*)theEvent;
  61 -(void)mouseDragged: (NSEvent*)theEvent;
  62
  63 -(unsigned int)draggingSourceOperationMaskForLocal:(BOOL)isLocal;
  64 -(void)draggedImage:(NSImage*)anImage beganAt:(NSPoint)aPoint;
  65 -(void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation;
  66 -(void)draggedImage:(NSImage *)draggedImage movedTo:(NSPoint)screenPoint;
  67
  68 @end
  69
  70 class DragSource : public ::cppu::BaseMutex,
  71                    public ::cppu::WeakComponentImplHelper< css::datatransfer::dnd::XDragSource,
  72                                                             css::lang::XInitialization,
  73                                                             css::lang::XServiceInfo >
  74 {
  75 public:
  76   DragSource();
  77   virtual ~DragSource() override;
  78   DragSource(const DragSource&) = delete;
  79   DragSource& operator=(const DragSource&) = delete;
  80
  81   // XInitialization
  82   virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
  83
  84   // XDragSource
  85   virtual sal_Bool SAL_CALL isDragImageSupported(  ) override;
  86
  87   virtual sal_Int32 SAL_CALL getDefaultCursor(sal_Int8 dragAction) override;
  88
  89   virtual void SAL_CALL startDrag( const css::datatransfer::dnd::DragGestureEvent& trigger,
  90                                    sal_Int8 sourceActions,
  91                                    sal_Int32 cursor,
  92                                    sal_Int32 image,
  93                                    const css::uno::Reference< css::datatransfer::XTransferable >& transferable,
  94                                    const css::uno::Reference< css::datatransfer::dnd::XDragSourceListener >& listener ) override;
  95
  96   // XServiceInfo
  97   virtual OUString SAL_CALL getImplementationName() override;
  98   virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
  99   virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 100
 101   void saveMouseEvent(NSEvent* theEvent);
 102   unsigned int getSupportedDragOperations(bool isLocal) const;
 103
 104 public:
 105   // The context notifies the XDragSourceListeners
 106   css::uno::Reference< css::datatransfer::dnd::XDragSourceContext > mXCurrentContext;
 107
 108   id mView;
 109   AquaSalFrame* mpFrame;
 110   NSEvent* mLastMouseEventBeforeStartDrag;
 111   DragSourceHelper* mDragSourceHelper;
 112   css::awt::MouseEvent mMouseEvent;
 113   css::uno::Reference< css::datatransfer::XTransferable > mXTransferable;
 114   css::uno::Reference< css::datatransfer::dnd::XDragSourceListener > mXDragSrcListener;
 115   // The mouse button that set off the drag and drop operation
 116   short m_MouseButton;
 117   sal_Int8 mDragSourceActions;
 118
 119   static css::uno::Reference< css::datatransfer::XTransferable > g_XTransferable;
 120   static NSView* g_DragSourceView;
 121   static bool    g_DropSuccessSet;
 122   static bool    g_DropSuccess;
 123
 124 };
 125
 126 #endif // INCLUDED_VCL_OSX_DRAGSOURCE_HXX
 127
 128 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */