575 lines
20 KiB
C++
575 lines
20 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: dndevdis.cxx,v $
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*
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* $Revision: 1.17 $
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*
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* last change: $Author: obo $ $Date: 2006-09-17 12:17:14 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_vcl.hxx"
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#include <dndevdis.hxx>
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#include <dndlcon.hxx>
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#include <window.h>
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#include <vos/mutex.hxx>
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#include <svapp.hxx>
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#ifndef _SV_SVDATA_HXX
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#include <svdata.hxx>
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#endif
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using namespace ::osl;
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using namespace ::vos;
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using namespace ::cppu;
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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::datatransfer;
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using namespace ::com::sun::star::datatransfer::dnd;
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//==================================================================================================
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// DNDEventDispatcher::DNDEventDispatcher
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//==================================================================================================
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DNDEventDispatcher::DNDEventDispatcher( Window * pTopWindow ):
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m_pTopWindow( pTopWindow ),
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m_pCurrentWindow( NULL )
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{
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}
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//==================================================================================================
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// DNDEventDispatcher::~DNDEventDispatcher
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//==================================================================================================
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DNDEventDispatcher::~DNDEventDispatcher()
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{
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}
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//==================================================================================================
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// DNDEventDispatcher::drop
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::drop( const DropTargetDropEvent& dtde )
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throw(RuntimeException)
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{
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MutexGuard aImplGuard( m_aMutex );
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Point location( dtde.LocationX, dtde.LocationY );
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// find the window that is toplevel for this coordinates
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OClearableGuard aSolarGuard( Application::GetSolarMutex() );
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// because those coordinates come from outside, they must be mirrored if RTL layout is active
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if( Application::GetSettings().GetLayoutRTL() )
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m_pTopWindow->ImplMirrorFramePos( location );
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Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
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if( NULL == pChildWindow )
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pChildWindow = m_pTopWindow;
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while( pChildWindow->ImplGetClientWindow() )
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pChildWindow = pChildWindow->ImplGetClientWindow();
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if( pChildWindow->ImplHasMirroredGraphics() && !pChildWindow->IsRTLEnabled() )
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pChildWindow->ImplReMirror( location );
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aSolarGuard.clear();
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// handle the case that drop is in an other vcl window than the last dragOver
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if( pChildWindow != m_pCurrentWindow )
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{
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// fire dragExit on listeners of previous window
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fireDragExitEvent( m_pCurrentWindow );
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fireDragEnterEvent( pChildWindow, static_cast < XDropTargetDragContext * > (this),
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dtde.DropAction, location, dtde.SourceActions, m_aDataFlavorList );
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}
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sal_Int32 nListeners = 0;
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// send drop event to the child window
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nListeners = fireDropEvent( pChildWindow, dtde.Context, dtde.DropAction,
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location, dtde.SourceActions, dtde.Transferable );
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// reject drop if no listeners found
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if( nListeners == 0 ) {
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OSL_TRACE( "rejecting drop due to missing listeners." );
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dtde.Context->rejectDrop();
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}
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// this is a drop -> no further drag overs
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m_pCurrentWindow = NULL;
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m_aDataFlavorList.realloc( 0 );
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}
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//==================================================================================================
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// DNDEventDispatcher::dragEnter
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::dragEnter( const DropTargetDragEnterEvent& dtdee )
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throw(RuntimeException)
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{
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MutexGuard aImplGuard( m_aMutex );
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Point location( dtdee.LocationX, dtdee.LocationY );
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// find the window that is toplevel for this coordinates
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OClearableGuard aSolarGuard( Application::GetSolarMutex() );
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// because those coordinates come from outside, they must be mirrored if RTL layout is active
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if( Application::GetSettings().GetLayoutRTL() )
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m_pTopWindow->ImplMirrorFramePos( location );
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Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
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if( NULL == pChildWindow )
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pChildWindow = m_pTopWindow;
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while( pChildWindow->ImplGetClientWindow() )
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pChildWindow = pChildWindow->ImplGetClientWindow();
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if( pChildWindow->ImplHasMirroredGraphics() && !pChildWindow->IsRTLEnabled() )
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pChildWindow->ImplReMirror( location );
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aSolarGuard.clear();
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// assume pointer write operation to be atomic
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m_pCurrentWindow = pChildWindow;
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m_aDataFlavorList = dtdee.SupportedDataFlavors;
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// fire dragEnter on listeners of current window
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sal_Int32 nListeners = fireDragEnterEvent( pChildWindow, dtdee.Context, dtdee.DropAction, location,
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dtdee.SourceActions, dtdee.SupportedDataFlavors );
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// reject drag if no listener found
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if( nListeners == 0 ) {
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OSL_TRACE( "rejecting drag enter due to missing listeners." );
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dtdee.Context->rejectDrag();
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}
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}
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//==================================================================================================
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// DNDEventDispatcher::dragExit
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::dragExit( const DropTargetEvent& /*dte*/ )
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throw(RuntimeException)
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{
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MutexGuard aImplGuard( m_aMutex );
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fireDragExitEvent( m_pCurrentWindow );
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// reset member values
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m_pCurrentWindow = NULL;
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m_aDataFlavorList.realloc( 0 );
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}
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//==================================================================================================
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// DNDEventDispatcher::dragOver
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::dragOver( const DropTargetDragEvent& dtde )
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throw(RuntimeException)
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{
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MutexGuard aImplGuard( m_aMutex );
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Point location( dtde.LocationX, dtde.LocationY );
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sal_Int32 nListeners;
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// find the window that is toplevel for this coordinates
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OClearableGuard aSolarGuard( Application::GetSolarMutex() );
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// because those coordinates come from outside, they must be mirrored if RTL layout is active
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if( Application::GetSettings().GetLayoutRTL() )
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m_pTopWindow->ImplMirrorFramePos( location );
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Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
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if( NULL == pChildWindow )
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pChildWindow = m_pTopWindow;
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while( pChildWindow->ImplGetClientWindow() )
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pChildWindow = pChildWindow->ImplGetClientWindow();
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if( pChildWindow->ImplHasMirroredGraphics() && !pChildWindow->IsRTLEnabled() )
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pChildWindow->ImplReMirror( location );
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aSolarGuard.clear();
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if( pChildWindow != m_pCurrentWindow )
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{
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// fire dragExit on listeners of previous window
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fireDragExitEvent( m_pCurrentWindow );
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// remember new window
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m_pCurrentWindow = pChildWindow;
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// fire dragEnter on listeners of current window
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nListeners = fireDragEnterEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
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dtde.SourceActions, m_aDataFlavorList );
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}
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else
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{
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// fire dragOver on listeners of current window
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nListeners = fireDragOverEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
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dtde.SourceActions );
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}
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// reject drag if no listener found
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if( nListeners == 0 )
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{
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OSL_TRACE( "rejecting drag over due to missing listeners." );
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dtde.Context->rejectDrag();
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}
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}
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//==================================================================================================
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// DNDEventDispatcher::dropActionChanged
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::dropActionChanged( const DropTargetDragEvent& dtde )
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throw(RuntimeException)
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{
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MutexGuard aImplGuard( m_aMutex );
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Point location( dtde.LocationX, dtde.LocationY );
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sal_Int32 nListeners;
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// find the window that is toplevel for this coordinates
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OClearableGuard aSolarGuard( Application::GetSolarMutex() );
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// because those coordinates come from outside, they must be mirrored if RTL layout is active
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if( Application::GetSettings().GetLayoutRTL() )
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m_pTopWindow->ImplMirrorFramePos( location );
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Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
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if( NULL == pChildWindow )
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pChildWindow = m_pTopWindow;
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while( pChildWindow->ImplGetClientWindow() )
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pChildWindow = pChildWindow->ImplGetClientWindow();
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if( pChildWindow->ImplHasMirroredGraphics() && !pChildWindow->IsRTLEnabled() )
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pChildWindow->ImplReMirror( location );
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aSolarGuard.clear();
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if( pChildWindow != m_pCurrentWindow )
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{
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// fire dragExit on listeners of previous window
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fireDragExitEvent( m_pCurrentWindow );
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// remember new window
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m_pCurrentWindow = pChildWindow;
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// fire dragEnter on listeners of current window
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nListeners = fireDragEnterEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
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dtde.SourceActions, m_aDataFlavorList );
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}
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else
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{
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// fire dropActionChanged on listeners of current window
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nListeners = fireDropActionChangedEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
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dtde.SourceActions );
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}
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// reject drag if no listener found
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if( nListeners == 0 )
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{
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OSL_TRACE( "rejecting dropActionChanged due to missing listeners." );
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dtde.Context->rejectDrag();
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}
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}
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//==================================================================================================
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// DNDEventDispatcher::dragGestureRecognized
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::dragGestureRecognized( const DragGestureEvent& dge )
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throw(RuntimeException)
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{ MutexGuard aImplGuard( m_aMutex );
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Point origin( dge.DragOriginX, dge.DragOriginY );
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// find the window that is toplevel for this coordinates
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OClearableGuard aSolarGuard( Application::GetSolarMutex() );
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// because those coordinates come from outside, they must be mirrored if RTL layout is active
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if( Application::GetSettings().GetLayoutRTL() )
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m_pTopWindow->ImplMirrorFramePos( origin );
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Window * pChildWindow = m_pTopWindow->ImplFindWindow( origin );
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if( NULL == pChildWindow )
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pChildWindow = m_pTopWindow;
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while( pChildWindow->ImplGetClientWindow() )
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pChildWindow = pChildWindow->ImplGetClientWindow();
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if( pChildWindow->ImplHasMirroredGraphics() && !pChildWindow->IsRTLEnabled() )
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pChildWindow->ImplReMirror( origin );
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aSolarGuard.clear();
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fireDragGestureEvent( pChildWindow, dge.DragSource, dge.Event, origin, dge.DragAction );
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}
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//==================================================================================================
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// DNDEventDispatcher::disposing
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::disposing( const EventObject& )
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throw(RuntimeException)
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{
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}
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//==================================================================================================
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// DNDEventDispatcher::acceptDrag
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::acceptDrag( sal_Int8 /*dropAction*/ ) throw(RuntimeException)
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{
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}
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//==================================================================================================
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// DNDEventDispatcher::rejectDrag
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//==================================================================================================
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void SAL_CALL DNDEventDispatcher::rejectDrag() throw(RuntimeException)
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{
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}
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//==================================================================================================
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// DNDEventDispatcher::fireDragEnterEvent
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//==================================================================================================
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sal_Int32 DNDEventDispatcher::fireDragEnterEvent( Window *pWindow,
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const Reference< XDropTargetDragContext >& xContext, const sal_Int8 nDropAction,
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const Point& rLocation, const sal_Int8 nSourceActions, const Sequence< DataFlavor >& aFlavorList
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)
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throw(RuntimeException)
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{
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sal_Int32 n = 0;
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if( pWindow && pWindow->IsInputEnabled() )
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{
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OClearableGuard aGuard( Application::GetSolarMutex() );
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// set an UI lock
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pWindow->IncrementLockCount();
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// query DropTarget from window
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Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
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if( xDropTarget.is() )
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{
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// retrieve relative mouse position
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Point relLoc = pWindow->ImplFrameToOutput( rLocation );
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aGuard.clear();
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n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDragEnterEvent(
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xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions, aFlavorList );
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}
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}
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return n;
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}
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//==================================================================================================
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// DNDEventDispatcher::fireDragOverEvent
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//==================================================================================================
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sal_Int32 DNDEventDispatcher::fireDragOverEvent( Window *pWindow,
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const Reference< XDropTargetDragContext >& xContext, const sal_Int8 nDropAction,
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const Point& rLocation, const sal_Int8 nSourceActions
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)
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throw(RuntimeException)
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{
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sal_Int32 n = 0;
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if( pWindow && pWindow->IsInputEnabled() )
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{
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OClearableGuard aGuard( Application::GetSolarMutex() );
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// query DropTarget from window
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Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
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if( xDropTarget.is() )
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{
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// retrieve relative mouse position
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Point relLoc = pWindow->ImplFrameToOutput( rLocation );
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aGuard.clear();
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n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDragOverEvent(
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xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions );
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}
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}
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return n;
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}
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//==================================================================================================
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// DNDEventDispatcher::fireDragExitEvent
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//==================================================================================================
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sal_Int32 DNDEventDispatcher::fireDragExitEvent( Window *pWindow ) throw(RuntimeException)
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{
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sal_Int32 n = 0;
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if( pWindow && pWindow->IsInputEnabled() )
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{
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OClearableGuard aGuard( Application::GetSolarMutex() );
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// query DropTarget from window
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Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
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aGuard.clear();
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if( xDropTarget.is() )
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n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDragExitEvent();
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// release UI lock
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pWindow->DecrementLockCount();
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}
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return n;
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}
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//==================================================================================================
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// DNDEventDispatcher::fireDropActionChangedEvent
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//==================================================================================================
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sal_Int32 DNDEventDispatcher::fireDropActionChangedEvent( Window *pWindow,
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const Reference< XDropTargetDragContext >& xContext, const sal_Int8 nDropAction,
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const Point& rLocation, const sal_Int8 nSourceActions
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)
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throw(RuntimeException)
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{
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sal_Int32 n = 0;
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if( pWindow && pWindow->IsInputEnabled() )
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{
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OClearableGuard aGuard( Application::GetSolarMutex() );
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// query DropTarget from window
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Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
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if( xDropTarget.is() )
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{
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// retrieve relative mouse position
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Point relLoc = pWindow->ImplFrameToOutput( rLocation );
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aGuard.clear();
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n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDropActionChangedEvent(
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xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions );
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}
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}
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return n;
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}
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//==================================================================================================
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// DNDEventDispatcher::fireDropEvent
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//==================================================================================================
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sal_Int32 DNDEventDispatcher::fireDropEvent( Window *pWindow,
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const Reference< XDropTargetDropContext >& xContext, const sal_Int8 nDropAction, const Point& rLocation,
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const sal_Int8 nSourceActions, const Reference< XTransferable >& xTransferable
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)
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throw(RuntimeException)
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{
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sal_Int32 n = 0;
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if( pWindow && pWindow->IsInputEnabled() )
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{
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OClearableGuard aGuard( Application::GetSolarMutex() );
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// query DropTarget from window
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Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
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// window may be destroyed in drop event handler
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ImplDelData aDelData;
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pWindow->ImplAddDel( &aDelData );
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if( xDropTarget.is() )
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{
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// retrieve relative mouse position
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Point relLoc = pWindow->ImplFrameToOutput( rLocation );
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aGuard.clear();
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n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDropEvent(
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xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions, xTransferable );
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}
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if ( !aDelData.IsDelete() )
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{
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pWindow->ImplRemoveDel( &aDelData );
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// release UI lock
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pWindow->DecrementLockCount();
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}
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}
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return n;
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}
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//==================================================================================================
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// DNDEventDispatcher::fireDragGestureRecognized
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//==================================================================================================
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sal_Int32 DNDEventDispatcher::fireDragGestureEvent( Window *pWindow,
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const Reference< XDragSource >& xSource, const Any event,
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const Point& rOrigin, const sal_Int8 nDragAction
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)
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throw(::com::sun::star::uno::RuntimeException)
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|
{
|
|
sal_Int32 n = 0;
|
|
|
|
if( pWindow && pWindow->IsInputEnabled() )
|
|
{
|
|
OClearableGuard aGuard( Application::GetSolarMutex() );
|
|
|
|
// query DropTarget from window
|
|
Reference< XDragGestureRecognizer > xDragGestureRecognizer = pWindow->GetDragGestureRecognizer();
|
|
|
|
if( xDragGestureRecognizer.is() )
|
|
{
|
|
// retrieve relative mouse position
|
|
Point relLoc = pWindow->ImplFrameToOutput( rOrigin );
|
|
aGuard.clear();
|
|
|
|
n = static_cast < DNDListenerContainer * > ( xDragGestureRecognizer.get() )->fireDragGestureEvent(
|
|
nDragAction, relLoc.X(), relLoc.Y(), xSource, event );
|
|
}
|
|
|
|
// release UI lock
|
|
pWindow->DecrementLockCount();
|
|
}
|
|
|
|
return n;
|
|
}
|