dndhelp.hxx

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#ifndef INCLUDED_VCL_DNDHELP_HXX
#define INCLUDED_VCL_DNDHELP_HXX

#include <vcl/dllapi.h>
#include <cppuhelper/weak.hxx>
#include <com/sun/star/datatransfer/dnd/XDragGestureListener.hpp>
#include <com/sun/star/datatransfer/dnd/XDragSourceListener.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>

namespace com::sun::star::datatransfer::dnd {
    struct DragGestureEvent;
    struct DragSourceDragEvent;
    struct DragSourceDropEvent;
    struct DragSourceEvent;
    struct DropTargetDragEvent;
    struct DropTargetDragEnterEvent;
    struct DropTargetDropEvent;
    struct DropTargetEvent;
}

namespace vcl::unohelper
{

class VCL_DLLPUBLIC DragAndDropClient
{
public:
    virtual ~DragAndDropClient() COVERITY_NOEXCEPT_FALSE;

    // css::datatransfer::dnd::XDragGestureListener
    virtual void dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& dge );

    // css::datatransfer::dnd::XDragSourceListener
    virtual void dragDropEnd(const css::datatransfer::dnd::DragSourceDropEvent& dsde );

    // css::datatransfer::dnd::XDropTargetListener
    virtual void drop( const css::datatransfer::dnd::DropTargetDropEvent& dtde );
    virtual void dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee );
    virtual void dragExit( const css::datatransfer::dnd::DropTargetEvent& dte );
    virtual void dragOver( const css::datatransfer::dnd::DropTargetDragEvent& dtde );
};

class VCL_DLLPUBLIC DragAndDropWrapper final :
                            public css::datatransfer::dnd::XDragGestureListener,
                            public css::datatransfer::dnd::XDragSourceListener,
                            public css::datatransfer::dnd::XDropTargetListener,
                            public ::cppu::OWeakObject
{
private:
    DragAndDropClient* mpClient;

public:
                    DragAndDropWrapper( DragAndDropClient* pClient );
                    virtual ~DragAndDropWrapper() override;

    // css::uno::XInterface
    css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
    void          SAL_CALL acquire() noexcept override  { OWeakObject::acquire(); }
    void          SAL_CALL release() noexcept override  { OWeakObject::release(); }

    // css::lang::XEventListener
    void SAL_CALL disposing( const css::lang::EventObject& Source ) override;

    // css::datatransfer::dnd::XDragGestureListener
    void SAL_CALL dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& dge ) override;

    // css::datatransfer::dnd::XDragSourceListener
    void SAL_CALL dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& dsde ) override;
    void SAL_CALL dragEnter( const css::datatransfer::dnd::DragSourceDragEvent& dsde ) override;
    void SAL_CALL dragExit( const css::datatransfer::dnd::DragSourceEvent& dse ) override;
    void SAL_CALL dragOver( const css::datatransfer::dnd::DragSourceDragEvent& dsde ) override;
    void SAL_CALL dropActionChanged( const css::datatransfer::dnd::DragSourceDragEvent& dsde ) override;

    // css::datatransfer::dnd::XDropTargetListener
    void SAL_CALL drop( const css::datatransfer::dnd::DropTargetDropEvent& dtde ) override;
    void SAL_CALL dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) override;
    void SAL_CALL dragExit( const css::datatransfer::dnd::DropTargetEvent& dte ) override;
    void SAL_CALL dragOver( const css::datatransfer::dnd::DropTargetDragEvent& dtde ) override;
    void SAL_CALL dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent& dtde ) override;
};

}  // namespace vcl::unohelper

#endif // INCLUDED_VCL_DNDHELP_HXX

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