osl::Mutex->std::mutex in DNDEventDispatcher

Change-Id: I95e4dc636fc16095044d01e1c1e1314f107b23b7
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/119850
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/vcl/inc/dndeventdispatcher.hxx b/vcl/inc/dndeventdispatcher.hxx
index bc2f5d9..e29e76a 100644
--- a/vcl/inc/dndeventdispatcher.hxx
+++ b/vcl/inc/dndeventdispatcher.hxx
@@ -26,6 +26,7 @@
#include <com/sun/star/datatransfer/dnd/XDragGestureListener.hpp>
#include <cppuhelper/implbase.hxx>
#include <vcl/window.hxx>
#include <mutex>

class DNDEventDispatcher final : public ::cppu::WeakImplHelper<
    css::datatransfer::dnd::XDropTargetListener,
@@ -38,7 +39,7 @@ class DNDEventDispatcher final : public ::cppu::WeakImplHelper<
    void designate_currentwindow(vcl::Window *pWindow);
    DECL_LINK(WindowEventListener, VclWindowEvent&, void);

    ::osl::Mutex m_aMutex;
    std::mutex m_aMutex;
    css::uno::Sequence< css::datatransfer::DataFlavor > m_aDataFlavorList;

    vcl::Window* findTopLevelWindow(Point location);
diff --git a/vcl/source/window/dndeventdispatcher.cxx b/vcl/source/window/dndeventdispatcher.cxx
index 0afa450..f508343 100644
--- a/vcl/source/window/dndeventdispatcher.cxx
+++ b/vcl/source/window/dndeventdispatcher.cxx
@@ -86,7 +86,7 @@ void DNDEventDispatcher::designate_currentwindow(vcl::Window *pWindow)

void SAL_CALL DNDEventDispatcher::drop( const DropTargetDropEvent& dtde )
{
    osl::MutexGuard aImplGuard( m_aMutex );
    std::lock_guard aImplGuard( m_aMutex );

    Point location( dtde.LocationX, dtde.LocationY );

@@ -119,7 +119,7 @@ void SAL_CALL DNDEventDispatcher::drop( const DropTargetDropEvent& dtde )

void SAL_CALL DNDEventDispatcher::dragEnter( const DropTargetDragEnterEvent& dtdee )
{
    osl::MutexGuard aImplGuard( m_aMutex );
    std::lock_guard aImplGuard( m_aMutex );
    Point location( dtdee.LocationX, dtdee.LocationY );

    vcl::Window * pChildWindow = findTopLevelWindow(location);
@@ -142,7 +142,7 @@ void SAL_CALL DNDEventDispatcher::dragEnter( const DropTargetDragEnterEvent& dtd

void SAL_CALL DNDEventDispatcher::dragExit( const DropTargetEvent& /*dte*/ )
{
    osl::MutexGuard aImplGuard( m_aMutex );
    std::lock_guard aImplGuard( m_aMutex );

    fireDragExitEvent( m_pCurrentWindow );

@@ -153,7 +153,7 @@ void SAL_CALL DNDEventDispatcher::dragExit( const DropTargetEvent& /*dte*/ )

void SAL_CALL DNDEventDispatcher::dragOver( const DropTargetDragEvent& dtde )
{
    osl::MutexGuard aImplGuard( m_aMutex );
    std::lock_guard aImplGuard( m_aMutex );

    Point location( dtde.LocationX, dtde.LocationY );
    sal_Int32 nListeners;
@@ -189,7 +189,7 @@ void SAL_CALL DNDEventDispatcher::dragOver( const DropTargetDragEvent& dtde )

void SAL_CALL DNDEventDispatcher::dropActionChanged( const DropTargetDragEvent& dtde )
{
    osl::MutexGuard aImplGuard( m_aMutex );
    std::lock_guard aImplGuard( m_aMutex );

    Point location( dtde.LocationX, dtde.LocationY );
    sal_Int32 nListeners;
@@ -225,7 +225,7 @@ void SAL_CALL DNDEventDispatcher::dropActionChanged( const DropTargetDragEvent& 

void SAL_CALL DNDEventDispatcher::dragGestureRecognized( const DragGestureEvent& dge )
{
    osl::MutexGuard aImplGuard( m_aMutex );
    std::lock_guard aImplGuard( m_aMutex );

    Point origin( dge.DragOriginX, dge.DragOriginY );