dtrans/source/win32/dnd/source.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: source.hxx,v $
  10  * $Revision: 1.14 $
  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 _SOURCE_HXX_
  32 #define _SOURCE_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 #ifndef _OSL_MUTEX_H_
  38 #include <osl/mutex.hxx>
  39 #endif
  40 #ifndef _CPPUHELPER_COMPBASE2_HXX_
  41 #include <cppuhelper/compbase3.hxx>
  42 #endif
  43 #include <com/sun/star/lang/XServiceInfo.hpp>
  44 #include "../../inc/DtObjFactory.hxx"
  45 #include "globals.hxx"
  46 #include <oleidl.h>
  47
  48 #include <systools/win32/comtools.hxx>
  49
  50 using namespace ::com::sun::star::lang;
  51 using namespace ::com::sun::star::uno;
  52 using namespace cppu;
  53 using namespace osl;
  54 using namespace rtl;
  55 using namespace ::com::sun::star::datatransfer;
  56 using namespace ::com::sun::star::datatransfer::dnd;
  57
  58
  59
  60 class SourceContext;
  61 // RIGHT MOUSE BUTTON drag and drop not supportet currently.
  62 // ALT modifier is considered to effect a user selection of effects
  63 class DragSource:
  64       public MutexDummy,
  65       public WeakComponentImplHelper3<XDragSource, XInitialization, XServiceInfo>,
  66       public IDropSource
  67
  68 {
  69     Reference<XMultiServiceFactory> m_serviceFactory;
  70     HWND m_hAppWindow;
  71
  72     // The mouse button that set off the drag and drop operation
  73     short m_MouseButton;
  74     // Converts XTransferable objects to IDataObject objects.
  75     CDTransObjFactory m_aDataConverter;
  76
  77     DragSource();
  78     DragSource(const DragSource&);
  79     DragSource &operator= ( const DragSource&);
  80
  81     // First starting a new drag and drop thread if
  82     // the last one has finished
  83     void StartDragImpl(
  84         const DragGestureEvent& trigger,
  85         sal_Int8 sourceActions,
  86         sal_Int32 cursor,
  87         sal_Int32 image,
  88         const Reference<XTransferable >& trans,
  89         const Reference<XDragSourceListener >& listener);
  90
  91 public:
  92     long m_RunningDndOperationCount;
  93
  94 public:
  95     // only valid for one dnd operation
  96     // the thread ID of the thread which created the window
  97     DWORD m_threadIdWindow;
  98     // The context notifies the XDragSourceListener s
  99     Reference<XDragSourceContext>   m_currentContext;
 100
 101     // the wrapper for the Transferable ( startDrag)
 102     IDataObjectPtr m_spDataObject;
 103
 104     sal_Int8 m_sourceActions;
 105
 106 public:
 107     DragSource(const Reference<XMultiServiceFactory>& sf);
 108     virtual ~DragSource();
 109
 110   // XInitialization
 111     virtual void SAL_CALL initialize( const Sequence< Any >& aArguments )
 112         throw(Exception, RuntimeException);
 113
 114
 115     // XDragSource
 116     virtual sal_Bool SAL_CALL isDragImageSupported(  ) throw(RuntimeException);
 117     virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction )
 118         throw( IllegalArgumentException, RuntimeException);
 119     virtual void SAL_CALL startDrag( const DragGestureEvent& trigger,
 120                                      sal_Int8 sourceActions,
 121                                      sal_Int32 cursor,
 122                                      sal_Int32 image,
 123                                      const Reference<XTransferable >& trans,
 124                                      const Reference<XDragSourceListener >& listener )
 125                 throw( RuntimeException);
 126
 127     // XServiceInfo
 128     virtual OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
 129     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (RuntimeException);
 130     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);
 131
 132
 133
 134     virtual HRESULT STDMETHODCALLTYPE QueryInterface(
 135             /* [in] */ REFIID riid,
 136             /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject);
 137
 138     virtual ULONG STDMETHODCALLTYPE AddRef( );
 139
 140     virtual ULONG STDMETHODCALLTYPE Release( );
 141
 142
 143     // IDropSource
 144     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(
 145         /* [in] */ BOOL fEscapePressed,
 146         /* [in] */ DWORD grfKeyState);
 147
 148     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(
 149         /* [in] */ DWORD dwEffect);
 150
 151 };
 152
 153
 154 #endif