office-gobmx/sfx2/source/doc/docundomanager.cxx
2011-11-27 13:21:30 -06:00

462 lines
20 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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*
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* 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.
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#include "docundomanager.hxx"
#include "sfx2/sfxbasemodel.hxx"
#include "sfx2/objsh.hxx"
#include "sfx2/viewfrm.hxx"
#include "sfx2/viewsh.hxx"
#include "sfx2/bindings.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/lang/XComponent.hpp>
/** === end UNO includes === **/
#include <comphelper/anytostring.hxx>
#include <comphelper/flagguard.hxx>
#include <svl/undo.hxx>
#include <tools/diagnose_ex.h>
#include <framework/undomanagerhelper.hxx>
#include <boost/noncopyable.hpp>
#include <stack>
//......................................................................................................................
namespace sfx2
{
//......................................................................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::UNO_SET_THROW;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::makeAny;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Type;
using ::com::sun::star::util::InvalidStateException;
using ::com::sun::star::document::EmptyUndoStackException;
using ::com::sun::star::util::NotLockedException;
using ::com::sun::star::document::UndoContextNotClosedException;
using ::com::sun::star::document::XUndoAction;
using ::com::sun::star::document::XUndoManagerSupplier;
using ::com::sun::star::lang::XComponent;
using ::com::sun::star::lang::IllegalArgumentException;
using ::com::sun::star::lang::NotInitializedException;
using ::com::sun::star::lang::EventObject;
using ::com::sun::star::document::UndoManagerEvent;
using ::com::sun::star::document::XUndoManagerListener;
using ::com::sun::star::document::UndoFailedException;
using ::com::sun::star::document::XUndoManager;
using ::com::sun::star::lang::NoSupportException;
using ::com::sun::star::frame::XModel;
/** === end UNO using === **/
using ::svl::IUndoManager;
//==================================================================================================================
//= DocumentUndoManager_Impl
//==================================================================================================================
struct DocumentUndoManager_Impl : public ::framework::IUndoManagerImplementation
{
DocumentUndoManager& rAntiImpl;
IUndoManager* pUndoManager;
::framework::UndoManagerHelper aUndoHelper;
DocumentUndoManager_Impl( DocumentUndoManager& i_antiImpl )
:rAntiImpl( i_antiImpl )
,pUndoManager( impl_retrieveUndoManager( i_antiImpl.getBaseModel() ) )
// do this *before* the construction of aUndoHelper (which actually means: put pUndoManager before
// aUndoHelper in the member list)!
,aUndoHelper( *this )
{
}
virtual ~DocumentUndoManager_Impl()
{
};
const SfxObjectShell* getObjectShell() const { return rAntiImpl.getBaseModel().GetObjectShell(); }
SfxObjectShell* getObjectShell() { return rAntiImpl.getBaseModel().GetObjectShell(); }
// IUndoManagerImplementation
virtual ::svl::IUndoManager& getImplUndoManager();
virtual Reference< XUndoManager > getThis();
void disposing()
{
aUndoHelper.disposing();
ENSURE_OR_RETURN_VOID( pUndoManager, "DocumentUndoManager_Impl::disposing: already disposed!" );
pUndoManager = NULL;
}
void invalidateXDo_nolck();
private:
static IUndoManager* impl_retrieveUndoManager( SfxBaseModel& i_baseModel )
{
IUndoManager* pUndoManager( NULL );
SfxObjectShell* pObjectShell = i_baseModel.GetObjectShell();
if ( pObjectShell != NULL )
pUndoManager = pObjectShell->GetUndoManager();
if ( !pUndoManager )
throw NotInitializedException( ::rtl::OUString(), *&i_baseModel );
return pUndoManager;
}
};
//------------------------------------------------------------------------------------------------------------------
::svl::IUndoManager& DocumentUndoManager_Impl::getImplUndoManager()
{
ENSURE_OR_THROW( pUndoManager != NULL, "DocumentUndoManager_Impl::getImplUndoManager: no access to the doc's UndoManager implementation!" );
#if OSL_DEBUG_LEVEL > 0
// in a non-product build, assert if the current UndoManager at the shell is not the same we obtained
// (and cached) at construction time
SfxObjectShell* pObjectShell = rAntiImpl.getBaseModel().GetObjectShell();
OSL_ENSURE( ( pObjectShell != NULL ) && ( pUndoManager == pObjectShell->GetUndoManager() ),
"DocumentUndoManager_Impl::getImplUndoManager: the UndoManager changed meanwhile - what about our listener?" );
#endif
return *pUndoManager;
}
//------------------------------------------------------------------------------------------------------------------
Reference< XUndoManager > DocumentUndoManager_Impl::getThis()
{
return static_cast< XUndoManager* >( &rAntiImpl );
}
//------------------------------------------------------------------------------------------------------------------
void DocumentUndoManager_Impl::invalidateXDo_nolck()
{
SfxModelGuard aGuard( rAntiImpl );
const SfxObjectShell* pDocShell = getObjectShell();
ENSURE_OR_THROW( pDocShell != NULL, "lcl_invalidateUndo: no access to the doc shell!" );
SfxViewFrame* pViewFrame = SfxViewFrame::GetFirst( pDocShell );
while ( pViewFrame )
{
pViewFrame->GetBindings().Invalidate( SID_UNDO );
pViewFrame->GetBindings().Invalidate( SID_REDO );
pViewFrame = SfxViewFrame::GetNext( *pViewFrame, pDocShell );
}
}
//==================================================================================================================
//= SolarMutexFacade
//==================================================================================================================
/** a facade for the SolarMutex, implementing ::framework::IMutex (as opposed to ::vos::IMutex)
*/
class SolarMutexFacade : public ::framework::IMutex
{
public:
SolarMutexFacade()
{
}
virtual void acquire()
{
Application::GetSolarMutex().acquire();
}
virtual void release()
{
Application::GetSolarMutex().release();
}
};
//==================================================================================================================
//= UndoManagerGuard
//==================================================================================================================
class UndoManagerGuard :public ::framework::IMutexGuard
,public ::boost::noncopyable
{
public:
UndoManagerGuard( DocumentUndoManager& i_undoManager )
:m_guard( i_undoManager )
,m_solarMutexFacade()
{
}
virtual ~UndoManagerGuard()
{
}
virtual void reset()
{
m_guard.reset();
}
virtual void clear()
{
m_guard.clear();
}
virtual ::framework::IMutex& getGuardedMutex()
{
// note that this means that we *know* that SfxModelGuard also locks the SolarMutex (nothing more, nothing less).
// If this ever changes, we need to adjust this code here, too.
return m_solarMutexFacade;
}
private:
SfxModelGuard m_guard;
SolarMutexFacade m_solarMutexFacade;
};
//==================================================================================================================
//= DocumentUndoManager
//==================================================================================================================
//------------------------------------------------------------------------------------------------------------------
DocumentUndoManager::DocumentUndoManager( SfxBaseModel& i_document )
:SfxModelSubComponent( i_document )
,m_pImpl( new DocumentUndoManager_Impl( *this ) )
{
}
//------------------------------------------------------------------------------------------------------------------
DocumentUndoManager::~DocumentUndoManager()
{
}
//------------------------------------------------------------------------------------------------------------------
void DocumentUndoManager::disposing()
{
m_pImpl->disposing();
}
//------------------------------------------------------------------------------------------------------------------
bool DocumentUndoManager::isInContext() const
{
// No mutex locking within this method, no disposal check - this is the responsibility of the owner.
return m_pImpl->getImplUndoManager().IsInListAction();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::acquire( ) throw ()
{
SfxModelSubComponent::acquire();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::release( ) throw ()
{
SfxModelSubComponent::release();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::enterUndoContext( const ::rtl::OUString& i_title ) throw (RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.enterUndoContext( i_title, aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::enterHiddenUndoContext( ) throw (EmptyUndoStackException, RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.enterHiddenUndoContext( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::leaveUndoContext( ) throw (InvalidStateException, RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.leaveUndoContext( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::addUndoAction( const Reference< XUndoAction >& i_action ) throw (RuntimeException, IllegalArgumentException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.addUndoAction( i_action, aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::undo( ) throw (EmptyUndoStackException, UndoContextNotClosedException, UndoFailedException, RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.undo( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::redo( ) throw (EmptyUndoStackException, UndoContextNotClosedException, UndoFailedException, RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.redo( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
::sal_Bool SAL_CALL DocumentUndoManager::isUndoPossible( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.isUndoPossible();
}
//------------------------------------------------------------------------------------------------------------------
::sal_Bool SAL_CALL DocumentUndoManager::isRedoPossible( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.isRedoPossible();
}
//------------------------------------------------------------------------------------------------------------------
::rtl::OUString SAL_CALL DocumentUndoManager::getCurrentUndoActionTitle( ) throw (EmptyUndoStackException, RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.getCurrentUndoActionTitle();
}
//------------------------------------------------------------------------------------------------------------------
::rtl::OUString SAL_CALL DocumentUndoManager::getCurrentRedoActionTitle( ) throw (EmptyUndoStackException, RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.getCurrentRedoActionTitle();
}
//------------------------------------------------------------------------------------------------------------------
Sequence< ::rtl::OUString > SAL_CALL DocumentUndoManager::getAllUndoActionTitles( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.getAllUndoActionTitles();
}
//------------------------------------------------------------------------------------------------------------------
Sequence< ::rtl::OUString > SAL_CALL DocumentUndoManager::getAllRedoActionTitles( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.getAllRedoActionTitles();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::clear( ) throw (UndoContextNotClosedException, RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.clear( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::clearRedo( ) throw (UndoContextNotClosedException, RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.clearRedo( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::reset() throw (RuntimeException)
{
// SYNCHRONIZED --->
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.reset( aGuard );
// <--- SYNCHRONIZED
m_pImpl->invalidateXDo_nolck();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::lock( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.lock();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::unlock( ) throw (RuntimeException, NotLockedException)
{
UndoManagerGuard aGuard( *this );
m_pImpl->aUndoHelper.unlock();
}
//------------------------------------------------------------------------------------------------------------------
::sal_Bool SAL_CALL DocumentUndoManager::isLocked( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.isLocked();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::addUndoManagerListener( const Reference< XUndoManagerListener >& i_listener ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.addUndoManagerListener( i_listener );
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::removeUndoManagerListener( const Reference< XUndoManagerListener >& i_listener ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return m_pImpl->aUndoHelper.removeUndoManagerListener( i_listener );
}
//------------------------------------------------------------------------------------------------------------------
Reference< XInterface > SAL_CALL DocumentUndoManager::getParent( ) throw (RuntimeException)
{
UndoManagerGuard aGuard( *this );
return static_cast< XModel* >( &getBaseModel() );
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL DocumentUndoManager::setParent( const Reference< XInterface >& i_parent ) throw (NoSupportException, RuntimeException)
{
(void)i_parent;
throw NoSupportException( ::rtl::OUString(), m_pImpl->getThis() );
}
//......................................................................................................................
} // namespace sfx2
//......................................................................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */