1 files changed, 564 insertions, 0 deletions
diff --git a/vcl/source/window/dndevdis.cxx b/vcl/source/window/dndevdis.cxx
new file mode 100644
index 000000000000..efc49be6fbf8
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+++ b/vcl/source/window/dndevdis.cxx
@@ -0,0 +1,564 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_vcl.hxx"
+
+#include <dndevdis.hxx>
+#include <dndlcon.hxx>
+#include <vcl/window.h>
+
+#include <vos/mutex.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/svdata.hxx>
+using namespace ::osl;
+using namespace ::vos;
+using namespace ::cppu;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::datatransfer;
+using namespace ::com::sun::star::datatransfer::dnd;
+
+//==================================================================================================
+// DNDEventDispatcher::DNDEventDispatcher
+//==================================================================================================
+
+DNDEventDispatcher::DNDEventDispatcher( Window * pTopWindow ):
+    m_pTopWindow( pTopWindow ),
+    m_pCurrentWindow( NULL )
+{
+}
+
+//==================================================================================================
+// DNDEventDispatcher::~DNDEventDispatcher
+//==================================================================================================
+
+DNDEventDispatcher::~DNDEventDispatcher()
+{
+}
+
+//==================================================================================================
+// DNDEventDispatcher::drop
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::drop( const DropTargetDropEvent& dtde )
+    throw(RuntimeException)
+{
+    MutexGuard aImplGuard( m_aMutex );
+
+    Point location( dtde.LocationX, dtde.LocationY );
+
+    // find the window that is toplevel for this coordinates
+    OClearableGuard aSolarGuard( Application::GetSolarMutex() );
+
+    // because those coordinates come from outside, they must be mirrored if RTL layout is active
+    if( Application::GetSettings().GetLayoutRTL() )
+        m_pTopWindow->ImplMirrorFramePos( location );
+    Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
+
+    if( NULL == pChildWindow )
+        pChildWindow = m_pTopWindow;
+
+    while( pChildWindow->ImplGetClientWindow() )
+        pChildWindow = pChildWindow->ImplGetClientWindow();
+
+    if( pChildWindow->ImplIsAntiparallel() )
+        pChildWindow->ImplReMirror( location );
+
+    aSolarGuard.clear();
+
+    // handle the case that drop is in an other vcl window than the last dragOver
+    if( pChildWindow != m_pCurrentWindow )
+    {
+        // fire dragExit on listeners of previous window
+        fireDragExitEvent( m_pCurrentWindow );
+
+        fireDragEnterEvent( pChildWindow, static_cast < XDropTargetDragContext * > (this),
+            dtde.DropAction, location, dtde.SourceActions, m_aDataFlavorList );
+    }
+
+    sal_Int32 nListeners = 0;
+
+    // send drop event to the child window
+    nListeners = fireDropEvent( pChildWindow, dtde.Context, dtde.DropAction,
+        location, dtde.SourceActions, dtde.Transferable );
+
+    // reject drop if no listeners found
+    if( nListeners == 0 ) {
+        OSL_TRACE( "rejecting drop due to missing listeners." );
+        dtde.Context->rejectDrop();
+    }
+
+    // this is a drop -> no further drag overs
+    m_pCurrentWindow = NULL;
+    m_aDataFlavorList.realloc( 0 );
+}
+
+//==================================================================================================
+// DNDEventDispatcher::dragEnter
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::dragEnter( const DropTargetDragEnterEvent& dtdee )
+    throw(RuntimeException)
+{
+    MutexGuard aImplGuard( m_aMutex );
+    Point location( dtdee.LocationX, dtdee.LocationY );
+
+    // find the window that is toplevel for this coordinates
+    OClearableGuard aSolarGuard( Application::GetSolarMutex() );
+
+    // because those coordinates come from outside, they must be mirrored if RTL layout is active
+    if( Application::GetSettings().GetLayoutRTL() )
+        m_pTopWindow->ImplMirrorFramePos( location );
+    Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
+
+    if( NULL == pChildWindow )
+        pChildWindow = m_pTopWindow;
+
+    while( pChildWindow->ImplGetClientWindow() )
+        pChildWindow = pChildWindow->ImplGetClientWindow();
+
+    if( pChildWindow->ImplIsAntiparallel() )
+        pChildWindow->ImplReMirror( location );
+
+    aSolarGuard.clear();
+
+    // assume pointer write operation to be atomic
+    m_pCurrentWindow = pChildWindow;
+    m_aDataFlavorList = dtdee.SupportedDataFlavors;
+
+    // fire dragEnter on listeners of current window
+    sal_Int32 nListeners = fireDragEnterEvent( pChildWindow, dtdee.Context, dtdee.DropAction, location,
+        dtdee.SourceActions, dtdee.SupportedDataFlavors );
+
+    // reject drag if no listener found
+    if( nListeners == 0 ) {
+        OSL_TRACE( "rejecting drag enter due to missing listeners." );
+        dtdee.Context->rejectDrag();
+    }
+
+}
+
+//==================================================================================================
+// DNDEventDispatcher::dragExit
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::dragExit( const DropTargetEvent& /*dte*/ )
+    throw(RuntimeException)
+{
+    MutexGuard aImplGuard( m_aMutex );
+
+    fireDragExitEvent( m_pCurrentWindow );
+
+    // reset member values
+    m_pCurrentWindow = NULL;
+    m_aDataFlavorList.realloc( 0 );
+}
+
+//==================================================================================================
+// DNDEventDispatcher::dragOver
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::dragOver( const DropTargetDragEvent& dtde )
+    throw(RuntimeException)
+{
+    MutexGuard aImplGuard( m_aMutex );
+
+    Point location( dtde.LocationX, dtde.LocationY );
+    sal_Int32 nListeners;
+
+    // find the window that is toplevel for this coordinates
+    OClearableGuard aSolarGuard( Application::GetSolarMutex() );
+
+    // because those coordinates come from outside, they must be mirrored if RTL layout is active
+    if( Application::GetSettings().GetLayoutRTL() )
+        m_pTopWindow->ImplMirrorFramePos( location );
+    Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
+
+    if( NULL == pChildWindow )
+        pChildWindow = m_pTopWindow;
+
+    while( pChildWindow->ImplGetClientWindow() )
+        pChildWindow = pChildWindow->ImplGetClientWindow();
+
+    if( pChildWindow->ImplIsAntiparallel() )
+        pChildWindow->ImplReMirror( location );
+
+    aSolarGuard.clear();
+
+    if( pChildWindow != m_pCurrentWindow )
+    {
+        // fire dragExit on listeners of previous window
+        fireDragExitEvent( m_pCurrentWindow );
+
+        // remember new window
+        m_pCurrentWindow = pChildWindow;
+
+        // fire dragEnter on listeners of current window
+        nListeners = fireDragEnterEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
+            dtde.SourceActions, m_aDataFlavorList );
+    }
+    else
+    {
+        // fire dragOver on listeners of current window
+        nListeners = fireDragOverEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
+            dtde.SourceActions );
+    }
+
+    // reject drag if no listener found
+    if( nListeners == 0 )
+    {
+        OSL_TRACE( "rejecting drag over due to missing listeners." );
+        dtde.Context->rejectDrag();
+    }
+}
+
+//==================================================================================================
+// DNDEventDispatcher::dropActionChanged
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::dropActionChanged( const DropTargetDragEvent& dtde )
+    throw(RuntimeException)
+{
+    MutexGuard aImplGuard( m_aMutex );
+
+    Point location( dtde.LocationX, dtde.LocationY );
+    sal_Int32 nListeners;
+
+    // find the window that is toplevel for this coordinates
+    OClearableGuard aSolarGuard( Application::GetSolarMutex() );
+
+    // because those coordinates come from outside, they must be mirrored if RTL layout is active
+    if( Application::GetSettings().GetLayoutRTL() )
+        m_pTopWindow->ImplMirrorFramePos( location );
+    Window * pChildWindow = m_pTopWindow->ImplFindWindow( location );
+
+    if( NULL == pChildWindow )
+        pChildWindow = m_pTopWindow;
+
+    while( pChildWindow->ImplGetClientWindow() )
+        pChildWindow = pChildWindow->ImplGetClientWindow();
+
+    if( pChildWindow->ImplIsAntiparallel() )
+        pChildWindow->ImplReMirror( location );
+
+    aSolarGuard.clear();
+
+    if( pChildWindow != m_pCurrentWindow )
+    {
+        // fire dragExit on listeners of previous window
+        fireDragExitEvent( m_pCurrentWindow );
+
+        // remember new window
+        m_pCurrentWindow = pChildWindow;
+
+        // fire dragEnter on listeners of current window
+        nListeners = fireDragEnterEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
+            dtde.SourceActions, m_aDataFlavorList );
+    }
+    else
+    {
+        // fire dropActionChanged on listeners of current window
+        nListeners = fireDropActionChangedEvent( pChildWindow, dtde.Context, dtde.DropAction, location,
+            dtde.SourceActions );
+    }
+
+    // reject drag if no listener found
+    if( nListeners == 0 )
+    {
+        OSL_TRACE( "rejecting dropActionChanged due to missing listeners." );
+        dtde.Context->rejectDrag();
+    }
+}
+
+
+//==================================================================================================
+// DNDEventDispatcher::dragGestureRecognized
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::dragGestureRecognized( const DragGestureEvent& dge )
+    throw(RuntimeException)
+{   MutexGuard aImplGuard( m_aMutex );
+
+    Point origin( dge.DragOriginX, dge.DragOriginY );
+
+    // find the window that is toplevel for this coordinates
+    OClearableGuard aSolarGuard( Application::GetSolarMutex() );
+
+    // because those coordinates come from outside, they must be mirrored if RTL layout is active
+    if( Application::GetSettings().GetLayoutRTL() )
+        m_pTopWindow->ImplMirrorFramePos( origin );
+    Window * pChildWindow = m_pTopWindow->ImplFindWindow( origin );
+
+    if( NULL == pChildWindow )
+        pChildWindow = m_pTopWindow;
+
+    while( pChildWindow->ImplGetClientWindow() )
+        pChildWindow = pChildWindow->ImplGetClientWindow();
+
+    if( pChildWindow->ImplIsAntiparallel() )
+        pChildWindow->ImplReMirror( origin );
+
+    aSolarGuard.clear();
+
+    fireDragGestureEvent( pChildWindow, dge.DragSource, dge.Event, origin, dge.DragAction );
+}
+
+//==================================================================================================
+// DNDEventDispatcher::disposing
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::disposing( const EventObject& )
+    throw(RuntimeException)
+{
+}
+
+//==================================================================================================
+// DNDEventDispatcher::acceptDrag
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::acceptDrag( sal_Int8 /*dropAction*/ ) throw(RuntimeException)
+{
+}
+
+//==================================================================================================
+// DNDEventDispatcher::rejectDrag
+//==================================================================================================
+
+void SAL_CALL DNDEventDispatcher::rejectDrag() throw(RuntimeException)
+{
+}
+
+//==================================================================================================
+// DNDEventDispatcher::fireDragEnterEvent
+//==================================================================================================
+
+sal_Int32 DNDEventDispatcher::fireDragEnterEvent( Window *pWindow,
+    const Reference< XDropTargetDragContext >& xContext, const sal_Int8 nDropAction,
+    const Point& rLocation, const sal_Int8 nSourceActions, const Sequence< DataFlavor >& aFlavorList
+)
+    throw(RuntimeException)
+{
+    sal_Int32 n = 0;
+
+    if( pWindow && pWindow->IsInputEnabled() && ! pWindow->IsInModalMode() )
+    {
+        OClearableGuard aGuard( Application::GetSolarMutex() );
+
+        // set an UI lock
+        pWindow->IncrementLockCount();
+
+        // query DropTarget from window
+        Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
+
+        if( xDropTarget.is() )
+        {
+            // retrieve relative mouse position
+            Point relLoc = pWindow->ImplFrameToOutput( rLocation );
+            aGuard.clear();
+
+            n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDragEnterEvent(
+                xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions, aFlavorList );
+        }
+    }
+
+    return n;
+}
+
+//==================================================================================================
+// DNDEventDispatcher::fireDragOverEvent
+//==================================================================================================
+
+sal_Int32 DNDEventDispatcher::fireDragOverEvent( Window *pWindow,
+    const Reference< XDropTargetDragContext >& xContext, const sal_Int8 nDropAction,
+    const Point& rLocation, const sal_Int8 nSourceActions
+)
+    throw(RuntimeException)
+{
+    sal_Int32 n = 0;
+
+    if( pWindow && pWindow->IsInputEnabled() && ! pWindow->IsInModalMode() )
+    {
+        OClearableGuard aGuard( Application::GetSolarMutex() );
+
+        // query DropTarget from window
+        Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
+
+        if( xDropTarget.is() )
+        {
+            // retrieve relative mouse position
+            Point relLoc = pWindow->ImplFrameToOutput( rLocation );
+            aGuard.clear();
+
+            n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDragOverEvent(
+                xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions );
+        }
+    }
+
+    return n;
+}
+
+//==================================================================================================
+// DNDEventDispatcher::fireDragExitEvent
+//==================================================================================================
+
+sal_Int32 DNDEventDispatcher::fireDragExitEvent( Window *pWindow ) throw(RuntimeException)
+{
+    sal_Int32 n = 0;
+
+    if( pWindow && pWindow->IsInputEnabled() && ! pWindow->IsInModalMode() )
+    {
+        OClearableGuard aGuard( Application::GetSolarMutex() );
+
+        // query DropTarget from window
+        Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
+
+        aGuard.clear();
+
+        if( xDropTarget.is() )
+            n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDragExitEvent();
+
+        // release UI lock
+        pWindow->DecrementLockCount();
+    }
+
+    return n;
+}
+
+//==================================================================================================
+// DNDEventDispatcher::fireDropActionChangedEvent
+//==================================================================================================
+
+sal_Int32 DNDEventDispatcher::fireDropActionChangedEvent( Window *pWindow,
+    const Reference< XDropTargetDragContext >& xContext, const sal_Int8 nDropAction,
+    const Point& rLocation, const sal_Int8 nSourceActions
+)
+    throw(RuntimeException)
+{
+    sal_Int32 n = 0;
+
+    if( pWindow && pWindow->IsInputEnabled() && ! pWindow->IsInModalMode() )
+    {
+        OClearableGuard aGuard( Application::GetSolarMutex() );
+
+        // query DropTarget from window
+        Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
+
+        if( xDropTarget.is() )
+        {
+            // retrieve relative mouse position
+            Point relLoc = pWindow->ImplFrameToOutput( rLocation );
+            aGuard.clear();
+
+            n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDropActionChangedEvent(
+                xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions );
+        }
+    }
+
+    return n;
+}
+
+//==================================================================================================
+// DNDEventDispatcher::fireDropEvent
+//==================================================================================================
+
+sal_Int32 DNDEventDispatcher::fireDropEvent( Window *pWindow,
+    const Reference< XDropTargetDropContext >& xContext, const sal_Int8 nDropAction, const Point& rLocation,
+    const sal_Int8 nSourceActions, const Reference< XTransferable >& xTransferable
+)
+    throw(RuntimeException)
+{
+    sal_Int32 n = 0;
+
+    if( pWindow && pWindow->IsInputEnabled() && ! pWindow->IsInModalMode() )
+    {
+        OClearableGuard aGuard( Application::GetSolarMutex() );
+
+        // query DropTarget from window
+        Reference< XDropTarget > xDropTarget = pWindow->GetDropTarget();
+
+        // window may be destroyed in drop event handler
+        ImplDelData         aDelData;
+        pWindow->ImplAddDel( &aDelData );
+
+        if( xDropTarget.is() )
+        {
+            // retrieve relative mouse position
+            Point relLoc = pWindow->ImplFrameToOutput( rLocation );
+            aGuard.clear();
+
+            n = static_cast < DNDListenerContainer * > ( xDropTarget.get() )->fireDropEvent(
+                xContext, nDropAction, relLoc.X(), relLoc.Y(), nSourceActions, xTransferable );
+        }
+
+        if ( !aDelData.IsDelete() )
+        {
+            pWindow->ImplRemoveDel( &aDelData );
+            // release UI lock
+            pWindow->DecrementLockCount();
+        }
+
+    }
+
+    return n;
+}
+
+//==================================================================================================
+// DNDEventDispatcher::fireDragGestureRecognized
+//==================================================================================================
+
+sal_Int32 DNDEventDispatcher::fireDragGestureEvent( Window *pWindow,
+    const Reference< XDragSource >& xSource, const Any event,
+    const Point& rOrigin, const sal_Int8 nDragAction
+)
+    throw(::com::sun::star::uno::RuntimeException)
+{
+    sal_Int32 n = 0;
+
+    if( pWindow && pWindow->IsInputEnabled() && ! pWindow->IsInModalMode() )
+    {
+        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;
+}