dtrans/source/win32/dnd/sourcecontext.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
  21
  22 #include "sourcecontext.hxx"
  23
  24 using namespace com::sun::star::datatransfer::dnd;
  25 using namespace com::sun::star::datatransfer::dnd::DNDConstants;
  26
  27 SourceContext::SourceContext( DragSource* pSource,
  28                              const Reference<XDragSourceListener>& listener):
  29         WeakComponentImplHelper<XDragSourceContext>(m_mutex),
  30         m_pDragSource( pSource),
  31         m_dragSource( static_cast<XDragSource*>( m_pDragSource) )
  32 {
  33 #if OSL_DEBUG_LEVEL > 1
  34     if( listener.is())
  35 #endif
  36     rBHelper.addListener( cppu::UnoType<decltype(listener)>::get(), listener );
  37 }
  38
  39 SourceContext::~SourceContext()
  40 {
  41 }
  42
  43 void SourceContext::addDragSourceListener(
  44     const Reference<XDragSourceListener >& )
  45 {
  46 }
  47
  48 void SourceContext::removeDragSourceListener(
  49      const Reference<XDragSourceListener >& )
  50 {
  51 }
  52
  53 sal_Int32 SAL_CALL SourceContext::getCurrentCursor(  )
  54 {
  55     return 0;
  56 }
  57
  58 void SAL_CALL SourceContext::setCursor( sal_Int32 /*cursorId*/ )
  59 {
  60 }
  61
  62 void SAL_CALL SourceContext::setImage( sal_Int32 /*imageId*/ )
  63 {
  64 }
  65
  66 void SAL_CALL SourceContext::transferablesFlavorsChanged(  )
  67 {
  68 }
  69
  70 // non -interface functions
  71 // Fires XDragSourceListener::dragDropEnd events.
  72 void SourceContext::fire_dragDropEnd( bool success, sal_Int8 effect)
  73 {
  74
  75     DragSourceDropEvent e;
  76
  77     if( success )
  78     {
  79         e.DropAction=  effect;
  80         e.DropSuccess= true;
  81     }
  82     else
  83     {
  84         e.DropAction= ACTION_NONE;
  85         e.DropSuccess= false;
  86     }
  87     e.DragSource= m_dragSource;
  88     e.DragSourceContext= static_cast<XDragSourceContext*>( this);
  89     e.Source.set( static_cast<XDragSourceContext*>( this), UNO_QUERY);
  90
  91     OInterfaceContainerHelper* pContainer= rBHelper.getContainer(
  92         cppu::UnoType<XDragSourceListener>::get());
  93
  94     if( pContainer)
  95     {
  96         OInterfaceIteratorHelper iter( *pContainer);
  97         while( iter.hasMoreElements())
  98         {
  99             Reference<XDragSourceListener> listener(
 100                 static_cast<XDragSourceListener*>( iter.next()));
 101             listener->dragDropEnd( e);
 102         }
 103     }
 104 }
 105
 106 void SourceContext::fire_dropActionChanged( sal_Int8 dropAction, sal_Int8 userAction)
 107 {
 108     if( m_currentAction != dropAction)
 109     {
 110         m_currentAction= dropAction;
 111         DragSourceDragEvent e;
 112         e.DropAction= dropAction;
 113         e.UserAction= userAction;
 114         e.DragSource= m_dragSource;
 115         e.DragSourceContext= static_cast<XDragSourceContext*>( this);
 116         e.Source.set( static_cast<XDragSourceContext*>( this), UNO_QUERY);
 117
 118         OInterfaceContainerHelper* pContainer= rBHelper.getContainer(
 119             cppu::UnoType<XDragSourceListener>::get());
 120
 121         if( pContainer)
 122         {
 123             OInterfaceIteratorHelper iter( *pContainer);
 124             while( iter.hasMoreElements())
 125             {
 126                 Reference<XDragSourceListener> listener(
 127                     static_cast<XDragSourceListener*>( iter.next()));
 128                 listener->dropActionChanged( e);
 129             }
 130         }
 131     }
 132 }
 133
 134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */