759 lines
22 KiB
C++
759 lines
22 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: EventMultiplexer.cxx,v $
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*
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* $Revision: 1.13 $
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*
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* last change: $Author: kz $ $Date: 2006-12-12 18:52:38 $
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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_sd.hxx"
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#include "EventMultiplexer.hxx"
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#include "MutexOwner.hxx"
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#include "ViewShellBase.hxx"
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#include "PaneManager.hxx"
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#include "drawdoc.hxx"
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#include "DrawController.hxx"
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#include "SlideSorterViewShell.hxx"
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#ifndef _COM_SUN_STAR_DOCUMENT_XPROPERTYSET_HPP_
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#include <com/sun/star/beans/XPropertySet.hpp>
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#endif
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#ifndef _COM_SUN_STAR_FRAME_XFRAME_HPP_
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#include <com/sun/star/frame/XFrame.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTIOIN_HPP_
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#include <com/sun/star/lang/DisposedException.hpp>
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#endif
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#include <cppuhelper/weak.hxx>
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#ifndef _CPPUHELPER_COMPBASE3_HXX_
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#include <cppuhelper/compbase3.hxx>
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#endif
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#include <sfx2/viewfrm.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::uno;
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class SdDrawDocument;
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namespace sd { namespace tools {
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typedef cppu::WeakComponentImplHelper3<
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::com::sun::star::beans::XPropertyChangeListener,
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::com::sun::star::frame::XFrameActionListener,
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::com::sun::star::view::XSelectionChangeListener
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> EventMultiplexerImplementationInterfaceBase;
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class EventMultiplexer::Implementation
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: protected MutexOwner,
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public EventMultiplexerImplementationInterfaceBase,
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public SfxListener
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{
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public:
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Implementation (ViewShellBase& rBase);
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~Implementation (void);
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void AddEventListener (
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Link& rCallback,
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EventMultiplexerEvent::EventId aEventTypes);
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void RemoveEventListener (
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Link& rCallback,
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EventMultiplexerEvent::EventId aEventTypes);
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void CallListeners (EventMultiplexerEvent& rEvent);
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ViewShellBase& GetViewShellBase() const { return mrBase; }
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//===== lang::XEventListener ==============================================
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virtual void SAL_CALL
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disposing (const ::com::sun::star::lang::EventObject& rEventObject)
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throw (::com::sun::star::uno::RuntimeException);
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//===== beans::XPropertySetListener =======================================
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virtual void SAL_CALL
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propertyChange (
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const com::sun::star::beans::PropertyChangeEvent& rEvent)
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throw (::com::sun::star::uno::RuntimeException);
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//===== view::XSelectionChangeListener ====================================
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virtual void SAL_CALL
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selectionChanged (
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const com::sun::star::lang::EventObject& rEvent)
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throw (::com::sun::star::uno::RuntimeException);
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//===== frame::XFrameActionListener ======================================
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/** For certain actions the listener connects to a new controller of the
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frame it is listening to. This usually happens when the view shell
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in the center pane is replaced by another view shell.
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*/
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virtual void SAL_CALL
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frameAction (const ::com::sun::star::frame::FrameActionEvent& rEvent)
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throw (::com::sun::star::uno::RuntimeException);
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virtual void SAL_CALL disposing (void);
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protected:
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virtual void Notify (
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SfxBroadcaster& rBroadcaster,
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const SfxHint& rHint);
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private:
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ViewShellBase& mrBase;
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typedef ::std::pair<Link,EventMultiplexerEvent::EventId> ListenerDescriptor;
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typedef ::std::vector<ListenerDescriptor> ListenerList;
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ListenerList maListeners;
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/// Remember whether we are listening to the UNO controller.
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bool mbListeningToController;
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/// Remember whether we are listening to the frame.
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bool mbListeningToFrame;
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/// Remember when the pane manger becomes unavailable.
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bool mbPaneManagerAvailable;
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::com::sun::star::uno::WeakReference<
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::com::sun::star::frame::XController> mxControllerWeak;
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::com::sun::star::uno::WeakReference<
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::com::sun::star::frame::XFrame> mxFrameWeak;
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::com::sun::star::uno::WeakReference<
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::com::sun::star::view::XSelectionSupplier> mxSlideSorterSelectionWeak;
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SdDrawDocument* mpDocument;
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static const ::rtl::OUString msCurrentPagePropertyName;
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static const ::rtl::OUString msEditModePropertyName;
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void ReleaseListeners (void);
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void ConnectToController (void);
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void DisconnectFromController (void);
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void CallListeners (
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EventMultiplexerEvent::EventId eId,
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void* pUserData = NULL);
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/** This method throws a DisposedException when the object has already been
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disposed.
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*/
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void ThrowIfDisposed (void)
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throw (::com::sun::star::lang::DisposedException);
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DECL_LINK(PaneManagerEventListener, PaneManagerEvent*);
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DECL_LINK(SlideSorterSelectionChangeListener, void*);
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};
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const ::rtl::OUString EventMultiplexer::Implementation::msCurrentPagePropertyName (
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RTL_CONSTASCII_USTRINGPARAM("CurrentPage"));
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const ::rtl::OUString EventMultiplexer::Implementation::msEditModePropertyName (
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RTL_CONSTASCII_USTRINGPARAM("IsMasterPageMode"));
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//===== EventMultiplexer ======================================================
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EventMultiplexer::EventMultiplexer (ViewShellBase& rBase)
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: mpImpl (new EventMultiplexer::Implementation(rBase))
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{
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mpImpl->acquire();
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}
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EventMultiplexer::~EventMultiplexer (void)
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{
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try
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{
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mpImpl->dispose();
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// Now we call release twice. One decreases the use count of the
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// implementation object (if all goes well to zero and thus deletes
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// it.) The other releases the auto_ptr and prevents the
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// implementation object from being deleted a second time.
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mpImpl->release();
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mpImpl.release();
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}
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catch (RuntimeException aException)
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{
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}
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catch (Exception aException)
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{
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}
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}
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void EventMultiplexer::AddEventListener (
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Link& rCallback,
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EventMultiplexerEvent::EventId aEventTypes)
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{
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mpImpl->AddEventListener (rCallback, aEventTypes);
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}
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void EventMultiplexer::RemoveEventListener (
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Link& rCallback,
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EventMultiplexerEvent::EventId aEventTypes)
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{
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mpImpl->RemoveEventListener (rCallback, aEventTypes);
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}
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void EventMultiplexer::MultiplexEvent(
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EventMultiplexerEvent::EventId eEventId,
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void* pUserData )
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{
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EventMultiplexerEvent aEvent (mpImpl->GetViewShellBase(), eEventId, pUserData);
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mpImpl->CallListeners(aEvent);
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}
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//===== EventMultiplexer::Implementation ======================================
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EventMultiplexer::Implementation::Implementation (ViewShellBase& rBase)
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: MutexOwner(),
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EventMultiplexerImplementationInterfaceBase(maMutex),
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SfxListener(),
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mrBase (rBase),
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mbListeningToController (false),
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mbListeningToFrame (false),
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mbPaneManagerAvailable(true),
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mxControllerWeak(NULL),
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mxFrameWeak(NULL),
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mxSlideSorterSelectionWeak(NULL),
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mpDocument(NULL)
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{
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// Connect to the frame to listen for controllers being exchanged.
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// Listen to changes of certain properties.
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Reference<frame::XFrame> xFrame (
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mrBase.GetFrame()->GetTopFrame()->GetFrameInterface(),
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uno::UNO_QUERY);
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mxFrameWeak = xFrame;
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if (xFrame.is())
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{
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xFrame->addFrameActionListener (
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Reference<frame::XFrameActionListener>(
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static_cast<XWeak*>(this), UNO_QUERY));
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mbListeningToFrame = true;
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}
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// Connect to the current controller.
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ConnectToController ();
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// Listen for document changes.
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mpDocument = mrBase.GetDocument();
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if (mpDocument != NULL)
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StartListening (*mpDocument);
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// Listen for view switches.
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if (mbPaneManagerAvailable)
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mrBase.GetPaneManager().AddEventListener (
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LINK(this,EventMultiplexer::Implementation, PaneManagerEventListener));
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}
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EventMultiplexer::Implementation::~Implementation (void)
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{
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DBG_ASSERT( !mbListeningToFrame, "sd::EventMultiplexer::Implementation::~Implementation(), disposing was not called!" );
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}
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void EventMultiplexer::Implementation::ReleaseListeners (void)
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{
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if (mbListeningToFrame)
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{
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mbListeningToFrame = false;
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// Stop listening for changes of certain properties.
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Reference<frame::XFrame> xFrame (mxFrameWeak);
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if (xFrame.is())
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{
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xFrame->removeFrameActionListener (
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Reference<frame::XFrameActionListener>(
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static_cast<XWeak*>(this), UNO_QUERY));
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}
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}
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DisconnectFromController ();
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if (mpDocument != NULL)
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{
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EndListening (*mpDocument);
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mpDocument = NULL;
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}
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// Stop listening for view switches.
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if (mbPaneManagerAvailable)
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mrBase.GetPaneManager().RemoveEventListener (
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LINK(this,EventMultiplexer::Implementation, PaneManagerEventListener));
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}
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void EventMultiplexer::Implementation::AddEventListener (
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Link& rCallback,
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EventMultiplexerEvent::EventId aEventTypes)
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{
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ListenerList::iterator iListener (maListeners.begin());
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ListenerList::const_iterator iEnd (maListeners.end());
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for (;iListener!=iEnd; ++iListener)
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if (iListener->first == rCallback)
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break;
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if (iListener != maListeners.end())
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{
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// Listener exists. Update its event type set.
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iListener->second |= aEventTypes;
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}
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else
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{
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maListeners.push_back (ListenerDescriptor(rCallback,aEventTypes));
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}
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}
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void EventMultiplexer::Implementation::RemoveEventListener (
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Link& rCallback,
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EventMultiplexerEvent::EventId aEventTypes)
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{
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ListenerList::iterator iListener (maListeners.begin());
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ListenerList::const_iterator iEnd (maListeners.end());
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for (;iListener!=iEnd; ++iListener)
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if (iListener->first == rCallback)
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break;
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if (iListener != maListeners.end())
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{
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// Update the event type set.
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iListener->second &= ~aEventTypes;
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// When no events remain in the set then remove the listener.
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if (iListener->second == EID_EMPTY_SET)
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maListeners.erase (iListener);
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}
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}
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void EventMultiplexer::Implementation::ConnectToController (void)
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{
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// Just in case that we missed some event we now disconnect from the old
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// controller.
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DisconnectFromController ();
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// Register at the controller of the main view shell.
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// We have to store a (weak) reference to the controller so that we can
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// unregister without having to ask the mrBase member (which at that
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// time may be destroyed.)
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Reference<frame::XController> xController = mrBase.GetController();
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mxControllerWeak = mrBase.GetController();
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try
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{
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// Listen for disposing events.
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Reference<lang::XComponent> xComponent (xController, UNO_QUERY);
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if (xComponent.is())
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{
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xComponent->addEventListener (
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Reference<lang::XEventListener>(
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static_cast<XWeak*>(this), UNO_QUERY));
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mbListeningToController = true;
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}
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// Listen to changes of certain properties.
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Reference<beans::XPropertySet> xSet (xController, UNO_QUERY);
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if (xSet.is())
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{
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try
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{
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xSet->addPropertyChangeListener(msCurrentPagePropertyName, this);
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}
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catch (beans::UnknownPropertyException)
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{
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OSL_TRACE("EventMultiplexer::ConnectToController: CurrentPage unknown");
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}
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try
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{
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xSet->addPropertyChangeListener(msEditModePropertyName, this);
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}
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catch (beans::UnknownPropertyException)
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{
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OSL_TRACE("EventMultiplexer::ConnectToController: IsMasterPageMode unknown");
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}
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}
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// Listen for selection change events.
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Reference<view::XSelectionSupplier> xSelection (xController, UNO_QUERY);
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if (xSelection.is())
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{
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xSelection->addSelectionChangeListener(this);
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}
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}
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catch (const lang::DisposedException aException)
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{
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mbListeningToController = false;
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}
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}
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void EventMultiplexer::Implementation::DisconnectFromController (void)
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{
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if (mbListeningToController)
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{
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mbListeningToController = false;
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Reference<frame::XController> xController = mxControllerWeak;
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Reference<beans::XPropertySet> xSet (xController, UNO_QUERY);
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// Remove the property listener.
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if (xSet.is())
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{
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try
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{
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xSet->removePropertyChangeListener(msCurrentPagePropertyName, this);
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}
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catch (beans::UnknownPropertyException aEvent)
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{
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OSL_TRACE ("DisconnectFromController: CurrentPage unknown");
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}
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try
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{
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xSet->removePropertyChangeListener(msEditModePropertyName, this);
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}
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catch (beans::UnknownPropertyException aEvent)
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{
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OSL_TRACE ("DisconnectFromController: IsMasterPageMode unknown");
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}
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}
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// Remove selection change listener.
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Reference<view::XSelectionSupplier> xSelection (xController, UNO_QUERY);
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if (xSelection.is())
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{
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xSelection->removeSelectionChangeListener(this);
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}
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// Remove listener for disposing events.
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Reference<lang::XComponent> xComponent (xController, UNO_QUERY);
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if (xComponent.is())
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{
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xComponent->removeEventListener (
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Reference<lang::XEventListener>(static_cast<XWeak*>(this), UNO_QUERY));
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}
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}
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}
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//===== lang::XEventListener ================================================
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void SAL_CALL EventMultiplexer::Implementation::disposing (
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const lang::EventObject& rEventObject)
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throw (RuntimeException)
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{
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if (mbListeningToController)
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{
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Reference<frame::XController> xController (mxControllerWeak);
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if (rEventObject.Source == xController)
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{
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mbListeningToController = false;
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}
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}
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}
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//===== beans::XPropertySetListener =========================================
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void SAL_CALL EventMultiplexer::Implementation::propertyChange (
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const beans::PropertyChangeEvent& rEvent)
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throw (RuntimeException)
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{
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ThrowIfDisposed();
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if (rEvent.PropertyName.equals(msCurrentPagePropertyName))
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{
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CallListeners(EventMultiplexerEvent::EID_CURRENT_PAGE);
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}
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else if (rEvent.PropertyName.equals(msEditModePropertyName))
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{
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CallListeners(EventMultiplexerEvent::EID_EDIT_MODE);
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}
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}
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//===== frame::XFrameActionListener ==========================================
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void SAL_CALL EventMultiplexer::Implementation::frameAction (
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const frame::FrameActionEvent& rEvent)
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throw (::com::sun::star::uno::RuntimeException)
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{
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Reference<frame::XFrame> xFrame (mxFrameWeak);
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if (rEvent.Frame == xFrame)
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switch (rEvent.Action)
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{
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case frame::FrameAction_COMPONENT_DETACHING:
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DisconnectFromController();
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CallListeners (EventMultiplexerEvent::EID_CONTROLLER_DETACHED);
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break;
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case frame::FrameAction_COMPONENT_REATTACHED:
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CallListeners (EventMultiplexerEvent::EID_CONTROLLER_DETACHED);
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DisconnectFromController();
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ConnectToController();
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CallListeners (EventMultiplexerEvent::EID_CONTROLLER_ATTACHED);
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break;
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case frame::FrameAction_COMPONENT_ATTACHED:
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ConnectToController();
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CallListeners (EventMultiplexerEvent::EID_CONTROLLER_ATTACHED);
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break;
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default:
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break;
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}
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}
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//===== view::XSelectionChangeListener ========================================
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void SAL_CALL EventMultiplexer::Implementation::selectionChanged (
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const lang::EventObject& )
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throw (::com::sun::star::uno::RuntimeException)
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{
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CallListeners (EventMultiplexerEvent::EID_EDIT_VIEW_SELECTION);
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}
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void SAL_CALL EventMultiplexer::Implementation::disposing (void)
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{
|
|
CallListeners (EventMultiplexerEvent::EID_DISPOSING);
|
|
ReleaseListeners();
|
|
}
|
|
|
|
|
|
|
|
|
|
void EventMultiplexer::Implementation::ThrowIfDisposed (void)
|
|
throw (::com::sun::star::lang::DisposedException)
|
|
{
|
|
if (rBHelper.bDisposed || rBHelper.bInDispose)
|
|
{
|
|
throw lang::DisposedException (
|
|
::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
|
|
"SlideSorterController object has already been disposed")),
|
|
static_cast<uno::XWeak*>(this));
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void EventMultiplexer::Implementation::Notify (
|
|
SfxBroadcaster&,
|
|
const SfxHint& rHint)
|
|
{
|
|
if (rHint.ISA(SdrHint))
|
|
{
|
|
SdrHint& rSdrHint (*PTR_CAST(SdrHint,&rHint));
|
|
switch (rSdrHint.GetKind())
|
|
{
|
|
case HINT_MODELCLEARED:
|
|
case HINT_PAGEORDERCHG:
|
|
CallListeners (EventMultiplexerEvent::EID_PAGE_ORDER);
|
|
break;
|
|
|
|
case HINT_SWITCHTOPAGE:
|
|
CallListeners (EventMultiplexerEvent::EID_CURRENT_PAGE);
|
|
break;
|
|
|
|
case HINT_OBJCHG:
|
|
CallListeners(EventMultiplexerEvent::EID_SHAPE_CHANGED,
|
|
const_cast<void*>(static_cast<const void*>(rSdrHint.GetPage())));
|
|
break;
|
|
|
|
case HINT_OBJINSERTED:
|
|
CallListeners(EventMultiplexerEvent::EID_SHAPE_INSERTED,
|
|
const_cast<void*>(static_cast<const void*>(rSdrHint.GetPage())));
|
|
break;
|
|
|
|
case HINT_OBJREMOVED:
|
|
CallListeners(EventMultiplexerEvent::EID_SHAPE_REMOVED,
|
|
const_cast<void*>(static_cast<const void*>(rSdrHint.GetPage())));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (rHint.ISA(SfxSimpleHint))
|
|
{
|
|
SfxSimpleHint& rSimpleHint (*PTR_CAST(SfxSimpleHint, &rHint));
|
|
if (rSimpleHint.GetId() == SFX_HINT_DYING)
|
|
mpDocument = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void EventMultiplexer::Implementation::CallListeners (
|
|
EventMultiplexerEvent::EventId eId,
|
|
void* pUserData)
|
|
{
|
|
EventMultiplexerEvent aEvent (mrBase, eId, pUserData);
|
|
CallListeners(aEvent);
|
|
}
|
|
|
|
|
|
|
|
|
|
void EventMultiplexer::Implementation::CallListeners (EventMultiplexerEvent& rEvent)
|
|
{
|
|
ListenerList::const_iterator iListener (maListeners.begin());
|
|
ListenerList::const_iterator iListenerEnd (maListeners.end());
|
|
for (; iListener!=iListenerEnd; ++iListener)
|
|
{
|
|
if ((iListener->second && rEvent.meEventId) != 0)
|
|
iListener->first.Call(&rEvent);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
IMPL_LINK(EventMultiplexer::Implementation, PaneManagerEventListener,
|
|
PaneManagerEvent*, pEvent)
|
|
{
|
|
OSL_ASSERT(pEvent!=NULL);
|
|
|
|
switch (pEvent->meEventId)
|
|
{
|
|
case PaneManagerEvent::EID_VIEW_SHELL_ADDED:
|
|
CallListeners (EventMultiplexerEvent::EID_VIEW_ADDED);
|
|
|
|
if (pEvent->mePane == PaneManager::PT_CENTER)
|
|
CallListeners (
|
|
EventMultiplexerEvent::EID_MAIN_VIEW_ADDED,
|
|
pEvent->mpShell);
|
|
|
|
// Add selection change listener at slide sorter.
|
|
if (pEvent->mpShell != NULL
|
|
&& pEvent->mpShell->GetShellType()
|
|
== ViewShell::ST_SLIDE_SORTER)
|
|
{
|
|
static_cast<slidesorter::SlideSorterViewShell*>(
|
|
pEvent->mpShell)->AddSelectionChangeListener (
|
|
LINK(this,
|
|
EventMultiplexer::Implementation,
|
|
SlideSorterSelectionChangeListener));
|
|
}
|
|
break;
|
|
|
|
case PaneManagerEvent::EID_VIEW_SHELL_REMOVED:
|
|
if (pEvent->mePane == PaneManager::PT_CENTER)
|
|
CallListeners (EventMultiplexerEvent::EID_MAIN_VIEW_REMOVED);
|
|
CallListeners (EventMultiplexerEvent::EID_VIEW_REMOVED);
|
|
|
|
// Remove selection change listener from slide sorter.
|
|
if (pEvent->mpShell != NULL
|
|
&& pEvent->mpShell->GetShellType()
|
|
== ViewShell::ST_SLIDE_SORTER)
|
|
{
|
|
static_cast<slidesorter::SlideSorterViewShell*>(
|
|
pEvent->mpShell)->RemoveSelectionChangeListener (
|
|
LINK(this,
|
|
EventMultiplexer::Implementation,
|
|
SlideSorterSelectionChangeListener));
|
|
}
|
|
break;
|
|
|
|
case PaneManagerEvent::EID_PANE_MANAGER_DYING:
|
|
CallListeners (EventMultiplexerEvent::EID_PANE_MANAGER_DYING);
|
|
|
|
// Stop listening for view switches.
|
|
mrBase.GetPaneManager().RemoveEventListener (
|
|
LINK(this,EventMultiplexer::Implementation, PaneManagerEventListener));
|
|
mbPaneManagerAvailable = false;
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
IMPL_LINK(EventMultiplexer::Implementation, SlideSorterSelectionChangeListener, void*, EMPTYARG)
|
|
{
|
|
CallListeners (EventMultiplexerEvent::EID_SLIDE_SORTER_SELECTION);
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
//===== EventMultiplexerEvent =================================================
|
|
|
|
EventMultiplexerEvent::EventMultiplexerEvent (
|
|
const ViewShellBase& rBase,
|
|
EventId eEventId,
|
|
const void* pUserData)
|
|
: mrBase(rBase),
|
|
meEventId(eEventId),
|
|
mpUserData(pUserData)
|
|
|
|
{
|
|
}
|
|
|
|
} } // end of namespace ::sd::tools
|