620 lines
19 KiB
C++
620 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <osl/mutex.hxx>
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#include <tools/debug.hxx>
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#include <tools/urlobj.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <sot/exchange.hxx>
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#include <sot/storage.hxx>
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#include <vcl/bitmap.hxx>
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#include <vcl/gdimtf.hxx>
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#include <vcl/graph.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/window.hxx>
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#include <comphelper/processfactory.hxx>
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#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>
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#include "svl/urlbmk.hxx"
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#include <svtools/inetimg.hxx>
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#include <svtools/imap.hxx>
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#include <svtools/transfer.hxx>
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// --------------
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// - Namespaces -
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// --------------
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::datatransfer;
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using namespace ::com::sun::star::datatransfer::clipboard;
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using namespace ::com::sun::star::datatransfer::dnd;
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// -----------------------------------------
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// - DragSourceHelper::DragGestureListener -
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// -----------------------------------------
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DragSourceHelper::DragGestureListener::DragGestureListener( DragSourceHelper& rDragSourceHelper ) :
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mrParent( rDragSourceHelper )
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{
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}
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// -----------------------------------------------------------------------------
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DragSourceHelper::DragGestureListener::~DragGestureListener()
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{
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DragSourceHelper::DragGestureListener::disposing( const EventObject& ) throw( RuntimeException )
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{
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DragSourceHelper::DragGestureListener::dragGestureRecognized( const DragGestureEvent& rDGE ) throw( RuntimeException )
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{
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const SolarMutexGuard aGuard;
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const Point aPtPixel( rDGE.DragOriginX, rDGE.DragOriginY );
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mrParent.StartDrag( rDGE.DragAction, aPtPixel );
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}
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// --------------------
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// - DragSourceHelper -
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// --------------------
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DragSourceHelper::DragSourceHelper( Window* pWindow ) :
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mxDragGestureRecognizer( pWindow->GetDragGestureRecognizer() )
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{
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if( mxDragGestureRecognizer.is() )
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{
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mxDragGestureListener = new DragSourceHelper::DragGestureListener( *this );
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mxDragGestureRecognizer->addDragGestureListener( mxDragGestureListener );
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}
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}
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// -----------------------------------------------------------------------------
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DragSourceHelper::~DragSourceHelper()
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{
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if( mxDragGestureRecognizer.is() )
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mxDragGestureRecognizer->removeDragGestureListener( mxDragGestureListener );
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}
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// -----------------------------------------------------------------------------
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void DragSourceHelper::StartDrag( sal_Int8, const Point& )
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{
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}
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// ----------------------------------------
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// - DropTargetHelper::DropTargetListener -
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// ----------------------------------------
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DropTargetHelper::DropTargetListener::DropTargetListener( DropTargetHelper& rDropTargetHelper ) :
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mrParent( rDropTargetHelper ),
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mpLastDragOverEvent( NULL )
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{
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}
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// -----------------------------------------------------------------------------
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DropTargetHelper::DropTargetListener::~DropTargetListener()
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{
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delete mpLastDragOverEvent;
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DropTargetHelper::DropTargetListener::disposing( const EventObject& ) throw( RuntimeException )
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{
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DropTargetHelper::DropTargetListener::drop( const DropTargetDropEvent& rDTDE ) throw( RuntimeException )
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{
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const SolarMutexGuard aGuard;
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try
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{
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AcceptDropEvent aAcceptEvent;
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ExecuteDropEvent aExecuteEvt( rDTDE.DropAction & ~DNDConstants::ACTION_DEFAULT, Point( rDTDE.LocationX, rDTDE.LocationY ), rDTDE );
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sal_Int8 nRet = DNDConstants::ACTION_NONE;
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aExecuteEvt.mbDefault = ( ( rDTDE.DropAction & DNDConstants::ACTION_DEFAULT ) != 0 );
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// in case of a default action, call ::AcceptDrop first and use the returned
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// accepted action as the execute action in the call to ::ExecuteDrop
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aAcceptEvent.mnAction = aExecuteEvt.mnAction;
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aAcceptEvent.maPosPixel = aExecuteEvt.maPosPixel;
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(DropTargetEvent&)( aAcceptEvent.maDragEvent ) = (DropTargetEvent&) rDTDE;
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( (DropTargetDragEvent&)( aAcceptEvent.maDragEvent ) ).DropAction = rDTDE.DropAction;
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( (DropTargetDragEvent&)( aAcceptEvent.maDragEvent ) ).LocationX = rDTDE.LocationX;
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( (DropTargetDragEvent&)( aAcceptEvent.maDragEvent ) ).LocationY = rDTDE.LocationY;
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( (DropTargetDragEvent&)( aAcceptEvent.maDragEvent ) ).SourceActions = rDTDE.SourceActions;
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aAcceptEvent.mbLeaving = sal_False;
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aAcceptEvent.mbDefault = aExecuteEvt.mbDefault;
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nRet = mrParent.AcceptDrop( aAcceptEvent );
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if( DNDConstants::ACTION_NONE != nRet )
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{
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rDTDE.Context->acceptDrop( nRet );
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if( aExecuteEvt.mbDefault )
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aExecuteEvt.mnAction = nRet;
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nRet = mrParent.ExecuteDrop( aExecuteEvt );
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}
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rDTDE.Context->dropComplete( DNDConstants::ACTION_NONE != nRet );
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if( mpLastDragOverEvent )
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{
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delete mpLastDragOverEvent;
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mpLastDragOverEvent = NULL;
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}
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}
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catch( const ::com::sun::star::uno::Exception& )
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{
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DropTargetHelper::DropTargetListener::dragEnter( const DropTargetDragEnterEvent& rDTDEE ) throw( RuntimeException )
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{
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const SolarMutexGuard aGuard;
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try
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{
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mrParent.ImplBeginDrag( rDTDEE.SupportedDataFlavors );
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}
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catch( const ::com::sun::star::uno::Exception& )
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{
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}
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dragOver( rDTDEE );
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DropTargetHelper::DropTargetListener::dragOver( const DropTargetDragEvent& rDTDE ) throw( RuntimeException )
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{
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const SolarMutexGuard aGuard;
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try
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{
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if( mpLastDragOverEvent )
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delete mpLastDragOverEvent;
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mpLastDragOverEvent = new AcceptDropEvent( rDTDE.DropAction & ~DNDConstants::ACTION_DEFAULT, Point( rDTDE.LocationX, rDTDE.LocationY ), rDTDE );
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mpLastDragOverEvent->mbDefault = ( ( rDTDE.DropAction & DNDConstants::ACTION_DEFAULT ) != 0 );
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const sal_Int8 nRet = mrParent.AcceptDrop( *mpLastDragOverEvent );
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if( DNDConstants::ACTION_NONE == nRet )
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rDTDE.Context->rejectDrag();
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else
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rDTDE.Context->acceptDrag( nRet );
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}
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catch( const ::com::sun::star::uno::Exception& )
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{
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DropTargetHelper::DropTargetListener::dragExit( const DropTargetEvent& ) throw( RuntimeException )
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{
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const SolarMutexGuard aGuard;
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try
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{
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if( mpLastDragOverEvent )
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{
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mpLastDragOverEvent->mbLeaving = sal_True;
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mrParent.AcceptDrop( *mpLastDragOverEvent );
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delete mpLastDragOverEvent;
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mpLastDragOverEvent = NULL;
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}
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mrParent.ImplEndDrag();
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}
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catch( const ::com::sun::star::uno::Exception& )
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{
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL DropTargetHelper::DropTargetListener::dropActionChanged( const DropTargetDragEvent& ) throw( RuntimeException )
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{
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}
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// --------------------
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// - DropTargetHelper -
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// --------------------
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DropTargetHelper::DropTargetHelper( Window* pWindow ) :
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mxDropTarget( pWindow->GetDropTarget() ),
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mpFormats( new DataFlavorExVector )
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{
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ImplConstruct();
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}
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// -----------------------------------------------------------------------------
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DropTargetHelper::DropTargetHelper( const Reference< XDropTarget >& rxDropTarget ) :
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mxDropTarget( rxDropTarget ),
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mpFormats( new DataFlavorExVector )
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{
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ImplConstruct();
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}
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// -----------------------------------------------------------------------------
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DropTargetHelper::~DropTargetHelper()
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{
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if( mxDropTarget.is() )
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mxDropTarget->removeDropTargetListener( mxDropTargetListener );
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delete mpFormats;
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}
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// -----------------------------------------------------------------------------
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void DropTargetHelper::ImplConstruct()
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{
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if( mxDropTarget.is() )
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{
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mxDropTargetListener = new DropTargetHelper::DropTargetListener( *this );
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mxDropTarget->addDropTargetListener( mxDropTargetListener );
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mxDropTarget->setActive( sal_True );
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}
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}
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// -----------------------------------------------------------------------------
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void DropTargetHelper::ImplBeginDrag( const Sequence< DataFlavor >& rSupportedDataFlavors )
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{
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mpFormats->clear();
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TransferableDataHelper::FillDataFlavorExVector( rSupportedDataFlavors, *mpFormats );
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}
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// -----------------------------------------------------------------------------
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void DropTargetHelper::ImplEndDrag()
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{
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mpFormats->clear();
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}
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// -----------------------------------------------------------------------------
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sal_Int8 DropTargetHelper::AcceptDrop( const AcceptDropEvent& )
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{
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return( DNDConstants::ACTION_NONE );
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}
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// -----------------------------------------------------------------------------
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sal_Int8 DropTargetHelper::ExecuteDrop( const ExecuteDropEvent& )
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{
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return( DNDConstants::ACTION_NONE );
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}
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// -----------------------------------------------------------------------------
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sal_Bool DropTargetHelper::IsDropFormatSupported( SotFormatStringId nFormat )
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{
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DataFlavorExVector::iterator aIter( mpFormats->begin() ), aEnd( mpFormats->end() );
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sal_Bool bRet = sal_False;
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while( aIter != aEnd )
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{
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if( nFormat == (*aIter++).mnSotId )
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{
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bRet = sal_True;
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aIter = aEnd;
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}
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}
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return bRet;
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}
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// -----------------------------------------------------------------------------
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sal_Bool DropTargetHelper::IsDropFormatSupported( const DataFlavor& rFlavor )
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{
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DataFlavorExVector::iterator aIter( mpFormats->begin() ), aEnd( mpFormats->end() );
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sal_Bool bRet = sal_False;
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while( aIter != aEnd )
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{
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if( TransferableDataHelper::IsEqual( rFlavor, *aIter++ ) )
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{
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bRet = sal_True;
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aIter = aEnd;
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}
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}
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return bRet;
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}
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// -----------------------------------------------------------------------------
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// TransferDataContainer
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// -----------------------------------------------------------------------------
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struct TDataCntnrEntry_Impl
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{
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::com::sun::star::uno::Any aAny;
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SotFormatStringId nId;
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};
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// -----------------------------------------------------------------------------
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typedef ::std::list< TDataCntnrEntry_Impl > TDataCntnrEntryList;
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// -----------------------------------------------------------------------------
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struct TransferDataContainer_Impl
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{
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TDataCntnrEntryList aFmtList;
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Link aFinshedLnk;
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INetBookmark* pBookmk;
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Graphic* pGrf;
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TransferDataContainer_Impl()
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: pBookmk( 0 ), pGrf( 0 )
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{
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}
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~TransferDataContainer_Impl()
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{
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delete pBookmk;
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delete pGrf;
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}
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};
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// -----------------------------------------------------------------------------
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TransferDataContainer::TransferDataContainer()
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: pImpl( new TransferDataContainer_Impl )
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{
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}
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// -----------------------------------------------------------------------------
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TransferDataContainer::~TransferDataContainer()
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{
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delete pImpl;
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::AddSupportedFormats()
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{
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}
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// -----------------------------------------------------------------------------
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sal_Bool TransferDataContainer::GetData( const
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::com::sun::star::datatransfer::DataFlavor& rFlavor )
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{
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TDataCntnrEntryList::iterator aIter( pImpl->aFmtList.begin() ),
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aEnd( pImpl->aFmtList.end() );
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sal_Bool bFnd = sal_False;
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sal_uLong nFmtId = SotExchange::GetFormat( rFlavor );
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// test first the list
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for( ; aIter != aEnd; ++aIter )
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{
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TDataCntnrEntry_Impl& rEntry = (TDataCntnrEntry_Impl&)*aIter;
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if( nFmtId == rEntry.nId )
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{
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bFnd = SetAny( rEntry.aAny, rFlavor );
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break;
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}
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}
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// test second the bookmark pointer
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if( !bFnd )
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switch( nFmtId )
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{
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case SOT_FORMAT_STRING:
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case SOT_FORMATSTR_ID_SOLK:
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case SOT_FORMATSTR_ID_NETSCAPE_BOOKMARK:
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case SOT_FORMATSTR_ID_FILECONTENT:
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case SOT_FORMATSTR_ID_FILEGRPDESCRIPTOR:
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case SOT_FORMATSTR_ID_UNIFORMRESOURCELOCATOR:
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if( pImpl->pBookmk )
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bFnd = SetINetBookmark( *pImpl->pBookmk, rFlavor );
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break;
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case SOT_FORMATSTR_ID_SVXB:
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case SOT_FORMAT_BITMAP:
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case SOT_FORMAT_GDIMETAFILE:
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if( pImpl->pGrf )
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bFnd = SetGraphic( *pImpl->pGrf, rFlavor );
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break;
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}
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return bFnd;
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyINetBookmark( const INetBookmark& rBkmk )
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{
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if( !pImpl->pBookmk )
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pImpl->pBookmk = new INetBookmark( rBkmk );
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else
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*pImpl->pBookmk = rBkmk;
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AddFormat( SOT_FORMAT_STRING );
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AddFormat( SOT_FORMATSTR_ID_SOLK );
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AddFormat( SOT_FORMATSTR_ID_NETSCAPE_BOOKMARK );
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AddFormat( SOT_FORMATSTR_ID_FILECONTENT );
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AddFormat( SOT_FORMATSTR_ID_FILEGRPDESCRIPTOR );
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AddFormat( SOT_FORMATSTR_ID_UNIFORMRESOURCELOCATOR );
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyAnyData( sal_uLong nFormatId,
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const sal_Char* pData, sal_uLong nLen )
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{
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if( nLen )
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{
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TDataCntnrEntry_Impl aEntry;
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aEntry.nId = nFormatId;
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Sequence< sal_Int8 > aSeq( nLen );
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memcpy( aSeq.getArray(), pData, nLen );
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aEntry.aAny <<= aSeq;
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pImpl->aFmtList.push_back( aEntry );
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AddFormat( nFormatId );
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}
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyByteString( sal_uLong nFormatId,
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const rtl::OString& rStr )
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{
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CopyAnyData( nFormatId, rStr.getStr(), rStr.getLength() );
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyINetImage( const INetImage& rINtImg )
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{
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SvMemoryStream aMemStm( 1024, 1024 );
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aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
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rINtImg.Write( aMemStm, SOT_FORMATSTR_ID_INET_IMAGE );
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CopyAnyData( SOT_FORMATSTR_ID_INET_IMAGE, (sal_Char*)aMemStm.GetData(),
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aMemStm.Seek( STREAM_SEEK_TO_END ) );
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyImageMap( const ImageMap& rImgMap )
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{
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SvMemoryStream aMemStm( 8192, 8192 );
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aMemStm.SetVersion( SOFFICE_FILEFORMAT_50 );
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rImgMap.Write( aMemStm, String() );
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CopyAnyData( SOT_FORMATSTR_ID_SVIM, (sal_Char*)aMemStm.GetData(),
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aMemStm.Seek( STREAM_SEEK_TO_END ) );
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyGraphic( const Graphic& rGrf )
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{
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GraphicType nType = rGrf.GetType();
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if( GRAPHIC_NONE != nType )
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{
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if( !pImpl->pGrf )
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pImpl->pGrf = new Graphic( rGrf );
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else
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*pImpl->pGrf = rGrf;
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AddFormat( SOT_FORMATSTR_ID_SVXB );
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if( GRAPHIC_BITMAP == nType )
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AddFormat( SOT_FORMAT_BITMAP );
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else if( GRAPHIC_GDIMETAFILE == nType )
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AddFormat( SOT_FORMAT_GDIMETAFILE );
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}
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}
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// -----------------------------------------------------------------------------
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void TransferDataContainer::CopyString( sal_uInt16 nFmt, const String& rStr )
|
|
{
|
|
if( rStr.Len() )
|
|
{
|
|
TDataCntnrEntry_Impl aEntry;
|
|
aEntry.nId = nFmt;
|
|
rtl::OUString aStr( rStr );
|
|
aEntry.aAny <<= aStr;
|
|
pImpl->aFmtList.push_back( aEntry );
|
|
AddFormat( aEntry.nId );
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void TransferDataContainer::CopyString( const String& rStr )
|
|
{
|
|
CopyString( SOT_FORMAT_STRING, rStr );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void TransferDataContainer::CopyAny( sal_uInt16 nFmt,
|
|
const ::com::sun::star::uno::Any& rAny )
|
|
{
|
|
TDataCntnrEntry_Impl aEntry;
|
|
aEntry.nId = nFmt;
|
|
aEntry.aAny = rAny;
|
|
pImpl->aFmtList.push_back( aEntry );
|
|
AddFormat( aEntry.nId );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
sal_Bool TransferDataContainer::HasAnyData() const
|
|
{
|
|
return pImpl->aFmtList.begin() != pImpl->aFmtList.end() ||
|
|
0 != pImpl->pBookmk;
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void TransferDataContainer::StartDrag(
|
|
Window* pWindow, sal_Int8 nDragSourceActions,
|
|
const Link& rLnk, sal_Int32 nDragPointer, sal_Int32 nDragImage )
|
|
{
|
|
pImpl->aFinshedLnk = rLnk;
|
|
TransferableHelper::StartDrag( pWindow, nDragSourceActions,
|
|
nDragPointer, nDragImage );
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void TransferDataContainer::DragFinished( sal_Int8 nDropAction )
|
|
{
|
|
if( pImpl->aFinshedLnk.IsSet() )
|
|
pImpl->aFinshedLnk.Call( &nDropAction );
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|