diff options
Diffstat (limited to 'vcl/aqua/source/dtrans/DragSource.cxx')
-rw-r--r-- | vcl/aqua/source/dtrans/DragSource.cxx | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/vcl/aqua/source/dtrans/DragSource.cxx b/vcl/aqua/source/dtrans/DragSource.cxx index adb247d70711..1a8f950e50d4 100644 --- a/vcl/aqua/source/dtrans/DragSource.cxx +++ b/vcl/aqua/source/dtrans/DragSource.cxx @@ -38,6 +38,7 @@ #include "DragSourceContext.hxx" #include "aqua_clipboard.hxx" #include "DragActionConversion.hxx" +#include "salframe.h" #include <rtl/ustring.h> #include <memory> @@ -158,6 +159,7 @@ Sequence<OUString> dragSource_getSupportedServiceNames() DragSource::DragSource(): WeakComponentImplHelper3<XDragSource, XInitialization, XServiceInfo>(m_aMutex), mView(NULL), + mpFrame(NULL), mLastMouseEventBeforeStartDrag(nil), m_MouseButton(0) { @@ -166,8 +168,9 @@ DragSource::DragSource(): DragSource::~DragSource() { - [(id <MouseEventListener>)mView unregisterMouseEventListener: mDragSourceHelper]; - [mDragSourceHelper release]; + if( mpFrame && AquaSalFrame::isAlive( mpFrame ) ) + [(id <MouseEventListener>)mView unregisterMouseEventListener: mDragSourceHelper]; + [mDragSourceHelper release]; } @@ -197,6 +200,13 @@ void SAL_CALL DragSource::initialize(const Sequence< Any >& aArguments) throw Exception(OUString(RTL_CONSTASCII_USTRINGPARAM("DragSource::initialize: Provided view doesn't support mouse listener")), static_cast<OWeakObject*>(this)); } + NSWindow* pWin = [mView window]; + if( ! pWin || ![pWin respondsToSelector: @selector(getSalFrame)] ) + { + throw Exception(OUString(RTL_CONSTASCII_USTRINGPARAM("DragSource::initialize: Provided view is not attached to a vcl frame")), + static_cast<OWeakObject*>(this)); + } + mpFrame = (AquaSalFrame*)[pWin performSelector: @selector(getSalFrame)]; mDragSourceHelper = [[DragSourceHelper alloc] initWithDragSource: this]; |