dtrans/source/win32/dnd/source.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  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_DTRANS_SOURCE_WIN32_DND_SOURCE_HXX
  21 #define INCLUDED_DTRANS_SOURCE_WIN32_DND_SOURCE_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 <osl/mutex.hxx>
  27 #include <cppuhelper/compbase3.hxx>
  28 #include <com/sun/star/lang/XServiceInfo.hpp>
  29 #include "../../inc/DtObjFactory.hxx"
  30 #include "globals.hxx"
  31 #include <oleidl.h>
  32
  33 #include <systools/win32/comtools.hxx>
  34
  35 using namespace ::com::sun::star::lang;
  36 using namespace ::com::sun::star::uno;
  37 using namespace cppu;
  38 using namespace osl;
  39 using namespace ::com::sun::star::datatransfer;
  40 using namespace ::com::sun::star::datatransfer::dnd;
  41
  42 class SourceContext;
  43 // RIGHT MOUSE BUTTON drag and drop not supportet currently.
  44 // ALT modifier is considered to effect a user selection of effects
  45 class DragSource:
  46       public MutexDummy,
  47       public WeakComponentImplHelper3<XDragSource, XInitialization, XServiceInfo>,
  48       public IDropSource
  49
  50 {
  51     Reference<XComponentContext> m_xContext;
  52     HWND m_hAppWindow;
  53
  54     // The mouse button that set off the drag and drop operation
  55     short m_MouseButton;
  56     // Converts XTransferable objects to IDataObject objects.
  57     CDTransObjFactory m_aDataConverter;
  58
  59     DragSource();
  60     DragSource(const DragSource&);
  61     DragSource &operator= ( const DragSource&);
  62
  63     // First starting a new drag and drop thread if
  64     // the last one has finished
  65     void StartDragImpl(
  66         const DragGestureEvent& trigger,
  67         sal_Int8 sourceActions,
  68         sal_Int32 cursor,
  69         sal_Int32 image,
  70         const Reference<XTransferable >& trans,
  71         const Reference<XDragSourceListener >& listener);
  72
  73 public:
  74     long m_RunningDndOperationCount;
  75
  76 public:
  77     // only valid for one dnd operation
  78     // the thread ID of the thread which created the window
  79     DWORD m_threadIdWindow;
  80     // The context notifies the XDragSourceListener s
  81     Reference<XDragSourceContext>   m_currentContext;
  82
  83     // the wrapper for the Transferable ( startDrag)
  84     IDataObjectPtr m_spDataObject;
  85
  86     sal_Int8 m_sourceActions;
  87
  88 public:
  89     DragSource(const Reference<XComponentContext>& rxContext);
  90     virtual ~DragSource();
  91
  92   // XInitialization
  93     virtual void SAL_CALL initialize( const Sequence< Any >& aArguments )
  94         throw(Exception, RuntimeException);
  95
  96     // XDragSource
  97     virtual sal_Bool SAL_CALL isDragImageSupported(  ) throw(RuntimeException);
  98     virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction )
  99         throw( IllegalArgumentException, RuntimeException);
 100     virtual void SAL_CALL startDrag( const DragGestureEvent& trigger,
 101                                      sal_Int8 sourceActions,
 102                                      sal_Int32 cursor,
 103                                      sal_Int32 image,
 104                                      const Reference<XTransferable >& trans,
 105                                      const Reference<XDragSourceListener >& listener )
 106                 throw( RuntimeException);
 107
 108     // XServiceInfo
 109     virtual OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
 110     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (RuntimeException);
 111     virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);
 112
 113     virtual HRESULT STDMETHODCALLTYPE QueryInterface(
 114             /* [in] */ REFIID riid,
 115             /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject);
 116
 117     virtual ULONG STDMETHODCALLTYPE AddRef( );
 118
 119     virtual ULONG STDMETHODCALLTYPE Release( );
 120
 121     // IDropSource
 122     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(
 123         /* [in] */ BOOL fEscapePressed,
 124         /* [in] */ DWORD grfKeyState);
 125
 126     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(
 127         /* [in] */ DWORD dwEffect);
 128
 129 };
 130
 131 #endif
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */