dndlistenercontainer.hxx

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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_VCL_INC_DNDLCON_HXX
#define INCLUDED_VCL_INC_DNDLCON_HXX

#include <com/sun/star/datatransfer/dnd/XDragGestureRecognizer.hpp>
#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetDropContext.hpp>
#include <cppuhelper/compbase.hxx>
#include <cppuhelper/basemutex.hxx>

#include <vcl/unohelp2.hxx>

class GenericDropTargetDropContext :
    public ::cppu::WeakImplHelper<css::datatransfer::dnd::XDropTargetDropContext>
{
public:
    GenericDropTargetDropContext();

    // XDropTargetDropContext
    virtual void SAL_CALL acceptDrop( sal_Int8 dragOperation ) override;
    virtual void SAL_CALL rejectDrop() override;
    virtual void SAL_CALL dropComplete( sal_Bool success ) override;
};

class GenericDropTargetDragContext :
    public ::cppu::WeakImplHelper<css::datatransfer::dnd::XDropTargetDragContext>
{
public:
    GenericDropTargetDragContext();

    // XDropTargetDragContext
    virtual void SAL_CALL acceptDrag( sal_Int8 dragOperation ) override;
    virtual void SAL_CALL rejectDrag() override;
};

class DNDListenerContainer final : public cppu::BaseMutex,
                                public ::cppu::WeakComponentImplHelper<
    css::datatransfer::dnd::XDragGestureRecognizer,
    css::datatransfer::dnd::XDropTargetDragContext,
    css::datatransfer::dnd::XDropTargetDropContext,
    css::datatransfer::dnd::XDropTarget >
{
    bool m_bActive;
    sal_Int8 m_nDefaultActions;

    css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext > m_xDropTargetDragContext;
    css::uno::Reference< css::datatransfer::dnd::XDropTargetDropContext > m_xDropTargetDropContext;

public:

    DNDListenerContainer( sal_Int8 nDefaultActions );
    virtual ~DNDListenerContainer() override;

    sal_uInt32 fireDropEvent(
        const css::uno::Reference< css::datatransfer::dnd::XDropTargetDropContext >& context,
        sal_Int8 dropAction, sal_Int32 locationX, sal_Int32 locationY, sal_Int8 sourceActions,
        const css::uno::Reference< css::datatransfer::XTransferable >& transferable );

    sal_uInt32 fireDragExitEvent();

    sal_uInt32 fireDragOverEvent(
        const css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext >& context,
        sal_Int8 dropAction, sal_Int32 locationX, sal_Int32 locationY, sal_Int8 sourceActions );

    sal_uInt32 fireDragEnterEvent(
        const css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext >& context,
        sal_Int8 dropAction, sal_Int32 locationX, sal_Int32 locationY, sal_Int8 sourceActions,
        const css::uno::Sequence< css::datatransfer::DataFlavor >& dataFlavor );

    sal_uInt32 fireDropActionChangedEvent(
        const css::uno::Reference< css::datatransfer::dnd::XDropTargetDragContext >& context,
        sal_Int8 dropAction, sal_Int32 locationX, sal_Int32 locationY, sal_Int8 sourceActions );

    sal_uInt32 fireDragGestureEvent(
        sal_Int8 dragAction, sal_Int32 dragOriginX, sal_Int32 dragOriginY,
        const css::uno::Reference< css::datatransfer::dnd::XDragSource >& dragSource,
        const css::uno::Any& triggerEvent );

    /*
     * XDragGestureRecognizer
     */

    virtual void SAL_CALL addDragGestureListener( const css::uno::Reference< css::datatransfer::dnd::XDragGestureListener >& dgl ) override;
    virtual void SAL_CALL removeDragGestureListener( const css::uno::Reference< css::datatransfer::dnd::XDragGestureListener >& dgl ) override;
    virtual void SAL_CALL resetRecognizer(  ) override;

       /*
     * XDropTargetDragContext
     */

    virtual void SAL_CALL acceptDrag( sal_Int8 dragOperation ) override;
    virtual void SAL_CALL rejectDrag(  ) override;

       /*
     * XDropTargetDropContext
     */

    virtual void SAL_CALL acceptDrop( sal_Int8 dropOperation ) override;
    virtual void SAL_CALL rejectDrop(  ) override;
    virtual void SAL_CALL dropComplete( sal_Bool success ) override;

    /*
     * XDropTarget
     */

    virtual void SAL_CALL addDropTargetListener( const css::uno::Reference< css::datatransfer::dnd::XDropTargetListener >& dtl ) override;
    virtual void SAL_CALL removeDropTargetListener( const css::uno::Reference< css::datatransfer::dnd::XDropTargetListener >& dtl ) override;
    virtual sal_Bool SAL_CALL isActive(  ) override;
    virtual void SAL_CALL setActive( sal_Bool active ) override;
    virtual sal_Int8 SAL_CALL getDefaultActions(  ) override;
    virtual void SAL_CALL setDefaultActions( sal_Int8 actions ) override;
};

#endif

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