vcl/unx/generic/dtrans/X11_droptarget.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 <cppuhelper/supportsservice.hxx>
  21 #include <X11_selection.hxx>
  22
  23 using namespace x11;
  24 using namespace com::sun::star::uno;
  25 using namespace com::sun::star::lang;
  26 using namespace com::sun::star::awt;
  27 using namespace com::sun::star::datatransfer;
  28 using namespace com::sun::star::datatransfer::dnd;
  29
  30 DropTarget::DropTarget() :
  31         ::cppu::WeakComponentImplHelper3<
  32             XDropTarget,
  33             XInitialization,
  34             XServiceInfo
  35         >( m_aMutex ),
  36     m_bActive( false ),
  37     m_nDefaultActions( 0 ),
  38     m_aTargetWindow( None ),
  39     m_pSelectionManager( NULL )
  40 {
  41 }
  42
  43 DropTarget::~DropTarget()
  44 {
  45     if( m_pSelectionManager )
  46         m_pSelectionManager->deregisterDropTarget( m_aTargetWindow );
  47 }
  48
  49 void DropTarget::initialize( const Sequence< Any >& arguments ) throw( ::com::sun::star::uno::Exception, std::exception )
  50 {
  51     if( arguments.getLength() > 1 )
  52     {
  53         OUString aDisplayName;
  54         Reference< XDisplayConnection > xConn;
  55         arguments.getConstArray()[0] >>= xConn;
  56         if( xConn.is() )
  57         {
  58             Any aIdentifier;
  59             aIdentifier >>= aDisplayName;
  60         }
  61
  62         m_pSelectionManager = &SelectionManager::get( aDisplayName );
  63         m_xSelectionManager = static_cast< XDragSource* >(m_pSelectionManager);
  64         m_pSelectionManager->initialize( arguments );
  65
  66         if( m_pSelectionManager->getDisplay() ) // #136582# sanity check
  67         {
  68             sal_Size aWindow = None;
  69             arguments.getConstArray()[1] >>= aWindow;
  70             m_pSelectionManager->registerDropTarget( aWindow, this );
  71             m_aTargetWindow = aWindow;
  72             m_bActive = true;
  73         }
  74     }
  75 }
  76
  77 void DropTarget::addDropTargetListener( const Reference< XDropTargetListener >& xListener ) throw(std::exception)
  78 {
  79     ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
  80
  81     m_aListeners.push_back( xListener );
  82 }
  83
  84 void DropTarget::removeDropTargetListener( const Reference< XDropTargetListener >& xListener ) throw(std::exception)
  85 {
  86     ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
  87
  88     m_aListeners.remove( xListener );
  89 }
  90
  91 sal_Bool DropTarget::isActive() throw(std::exception)
  92 {
  93     return m_bActive;
  94 }
  95
  96 void DropTarget::setActive( sal_Bool active ) throw(std::exception)
  97 {
  98     ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
  99
 100     m_bActive = active;
 101 }
 102
 103 sal_Int8 DropTarget::getDefaultActions() throw(std::exception)
 104 {
 105     return m_nDefaultActions;
 106 }
 107
 108 void DropTarget::setDefaultActions( sal_Int8 actions ) throw(std::exception)
 109 {
 110     ::osl::Guard< ::osl::Mutex > aGuard( m_aMutex );
 111
 112     m_nDefaultActions = actions;
 113 }
 114
 115 void DropTarget::drop( const DropTargetDropEvent& dtde ) throw()
 116 {
 117     osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
 118     std::list< Reference< XDropTargetListener > > aListeners( m_aListeners );
 119     aGuard.clear();
 120
 121     for( std::list< Reference< XDropTargetListener > >::iterator it = aListeners.begin(); it!= aListeners.end(); ++it )
 122     {
 123         (*it)->drop( dtde );
 124     }
 125 }
 126
 127 void DropTarget::dragEnter( const DropTargetDragEnterEvent& dtde ) throw()
 128 {
 129     osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
 130     std::list< Reference< XDropTargetListener > > aListeners( m_aListeners );
 131     aGuard.clear();
 132
 133     for( std::list< Reference< XDropTargetListener > >::iterator it = aListeners.begin(); it!= aListeners.end(); ++it )
 134     {
 135         (*it)->dragEnter( dtde );
 136     }
 137 }
 138
 139 void DropTarget::dragExit( const DropTargetEvent& dte ) throw()
 140 {
 141     osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
 142     std::list< Reference< XDropTargetListener > > aListeners( m_aListeners );
 143     aGuard.clear();
 144
 145     for( std::list< Reference< XDropTargetListener > >::iterator it = aListeners.begin(); it!= aListeners.end(); ++it )
 146     {
 147         (*it)->dragExit( dte );
 148     }
 149 }
 150
 151 void DropTarget::dragOver( const DropTargetDragEvent& dtde ) throw()
 152 {
 153     osl::ClearableGuard< ::osl::Mutex > aGuard( m_aMutex );
 154     std::list< Reference< XDropTargetListener > > aListeners( m_aListeners );
 155     aGuard.clear();
 156
 157     for( std::list< Reference< XDropTargetListener > >::iterator it = aListeners.begin(); it!= aListeners.end(); ++it )
 158     {
 159         (*it)->dragOver( dtde );
 160     }
 161 }
 162
 163 // XServiceInfo
 164 OUString DropTarget::getImplementationName() throw(std::exception)
 165 {
 166     return OUString(XDND_DROPTARGET_IMPLEMENTATION_NAME);
 167 }
 168
 169 sal_Bool DropTarget::supportsService( const OUString& ServiceName ) throw(std::exception)
 170 {
 171     return cppu::supportsService(this, ServiceName);
 172 }
 173
 174 Sequence< OUString > DropTarget::getSupportedServiceNames() throw(std::exception)
 175 {
 176     return Xdnd_dropTarget_getSupportedServiceNames();
 177 }
 178
 179 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */