vcl/source/app/dndhelp.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.
   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 #include <vcl/dndhelp.hxx>
  21
  22 #include <vcl/svapp.hxx>
  23 #include <dndhelper.hxx>
  24
  25 #include <cppuhelper/queryinterface.hxx>
  26
  27 #include <com/sun/star/awt/XDisplayConnection.hpp>
  28 #include <com/sun/star/lang/XInitialization.hpp>
  29
  30 using namespace ::com::sun::star;
  31
  32 vcl::unohelper::DragAndDropClient::~DragAndDropClient() COVERITY_NOEXCEPT_FALSE {}
  33
  34 void vcl::unohelper::DragAndDropClient::dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& /*dge*/ )
  35 {
  36 }
  37
  38 void vcl::unohelper::DragAndDropClient::dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& /*dsde*/ )
  39 {
  40 }
  41
  42 void vcl::unohelper::DragAndDropClient::drop( const css::datatransfer::dnd::DropTargetDropEvent& /*dtde*/ )
  43 {
  44 }
  45
  46 void vcl::unohelper::DragAndDropClient::dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& /*dtdee*/ )
  47 {
  48 }
  49
  50 void vcl::unohelper::DragAndDropClient::dragExit( const css::datatransfer::dnd::DropTargetEvent& /*dte*/ )
  51 {
  52 }
  53
  54 void vcl::unohelper::DragAndDropClient::dragOver( const css::datatransfer::dnd::DropTargetDragEvent& /*dtde*/ )
  55 {
  56 }
  57
  58 vcl::unohelper::DragAndDropWrapper::DragAndDropWrapper( DragAndDropClient* pClient )
  59 {
  60     mpClient = pClient;
  61 }
  62
  63 vcl::unohelper::DragAndDropWrapper::~DragAndDropWrapper()
  64 {
  65 }
  66
  67 // uno::XInterface
  68 uno::Any vcl::unohelper::DragAndDropWrapper::queryInterface( const uno::Type & rType )
  69 {
  70     uno::Any aRet = ::cppu::queryInterface( rType,
  71                             static_cast< css::lang::XEventListener* >( static_cast<css::datatransfer::dnd::XDragGestureListener*>(this) ),
  72                             static_cast< css::datatransfer::dnd::XDragGestureListener* >(this),
  73                             static_cast< css::datatransfer::dnd::XDragSourceListener* >(this),
  74                             static_cast< css::datatransfer::dnd::XDropTargetListener* >(this) );
  75     return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
  76 }
  77
  78 // css::lang::XEventListener
  79 void vcl::unohelper::DragAndDropWrapper::disposing( const css::lang::EventObject& rEvent )
  80 {
  81     // Empty Source means it's the client, because the client is not a XInterface
  82     if ( !rEvent.Source.is() )
  83         mpClient = nullptr;
  84 }
  85
  86 // css::datatransfer::dnd::XDragGestureListener
  87 void vcl::unohelper::DragAndDropWrapper::dragGestureRecognized( const css::datatransfer::dnd::DragGestureEvent& rDGE )
  88 {
  89     if ( mpClient )
  90         mpClient->dragGestureRecognized( rDGE );
  91 }
  92
  93 // css::datatransfer::dnd::XDragSourceListener
  94 void vcl::unohelper::DragAndDropWrapper::dragDropEnd( const css::datatransfer::dnd::DragSourceDropEvent& rDSDE )
  95 {
  96     if ( mpClient )
  97         mpClient->dragDropEnd( rDSDE );
  98 }
  99
 100 void vcl::unohelper::DragAndDropWrapper::dragEnter( const css::datatransfer::dnd::DragSourceDragEvent& )
 101 {
 102 }
 103
 104 void vcl::unohelper::DragAndDropWrapper::dragExit( const css::datatransfer::dnd::DragSourceEvent& )
 105 {
 106 }
 107
 108 void vcl::unohelper::DragAndDropWrapper::dragOver( const css::datatransfer::dnd::DragSourceDragEvent& )
 109 {
 110 }
 111
 112 void vcl::unohelper::DragAndDropWrapper::dropActionChanged( const css::datatransfer::dnd::DragSourceDragEvent& )
 113 {
 114 }
 115
 116 // css::datatransfer::dnd::XDropTargetListener
 117 void vcl::unohelper::DragAndDropWrapper::drop( const css::datatransfer::dnd::DropTargetDropEvent& rDTDE )
 118 {
 119     if ( mpClient )
 120         mpClient->drop( rDTDE );
 121 }
 122
 123 void vcl::unohelper::DragAndDropWrapper::dragEnter( const css::datatransfer::dnd::DropTargetDragEnterEvent& rDTDEE )
 124 {
 125     if ( mpClient )
 126         mpClient->dragEnter( rDTDEE );
 127 }
 128
 129 void vcl::unohelper::DragAndDropWrapper::dragExit( const css::datatransfer::dnd::DropTargetEvent& dte )
 130 {
 131     if ( mpClient )
 132         mpClient->dragExit( dte );
 133 }
 134
 135 void vcl::unohelper::DragAndDropWrapper::dragOver( const css::datatransfer::dnd::DropTargetDragEvent& rDTDE )
 136 {
 137     if ( mpClient )
 138         mpClient->dragOver( rDTDE );
 139 }
 140
 141 void vcl::unohelper::DragAndDropWrapper::dropActionChanged( const css::datatransfer::dnd::DropTargetDragEvent& )
 142 {
 143 }
 144
 145 css::uno::Reference<css::uno::XInterface>
 146 vcl::OleDnDHelper(const css::uno::Reference<css::lang::XInitialization>& xDnD, const sal_IntPtr pWin, DragOrDrop eDoD)
 147 {
 148     if (pWin && xDnD)
 149     {
 150         if (eDoD == vcl::DragOrDrop::Drag)
 151             xDnD->initialize({ uno::Any(), uno::Any(static_cast<sal_uInt64>(pWin)) });
 152         else
 153             xDnD->initialize({ uno::Any(static_cast<sal_uInt64>(pWin)), uno::Any() });
 154     }
 155     return xDnD;
 156 }
 157
 158 css::uno::Reference<css::uno::XInterface>
 159 vcl::X11DnDHelper(const css::uno::Reference<css::lang::XInitialization>& xDnD, const sal_IntPtr pWin)
 160 {
 161     if (pWin && xDnD)
 162         xDnD->initialize({ uno::Any(Application::GetDisplayConnection()),
 163                            uno::Any(static_cast<sal_uInt64>(pWin)) });
 164     return xDnD;
 165 }
 166
 167 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */