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| -rw-r--r-- | chart2/source/model/main/UndoManager.cxx | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/chart2/source/model/main/UndoManager.cxx b/chart2/source/model/main/UndoManager.cxx new file mode 100644 index 000000000..63dacf484 --- /dev/null +++ b/chart2/source/model/main/UndoManager.cxx @@ -0,0 +1,349 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include "UndoManager.hxx" +#include <ChartViewHelper.hxx> + +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/lang/NoSupportException.hpp> + +#include <framework/undomanagerhelper.hxx> +#include <framework/imutex.hxx> +#include <officecfg/Office/Common.hxx> +#include <svl/undo.hxx> + +namespace chart +{ + + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::XInterface; + using ::com::sun::star::uno::UNO_QUERY; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::lang::DisposedException; + using ::com::sun::star::document::XUndoManager; + using ::com::sun::star::document::XUndoAction; + using ::com::sun::star::document::XUndoManagerListener; + using ::com::sun::star::lang::NoSupportException; + using ::com::sun::star::util::XModifyListener; + using ::com::sun::star::frame::XModel; + + namespace impl + { + class UndoManager_Impl : public ::framework::IUndoManagerImplementation + { + public: + UndoManager_Impl( UndoManager& i_antiImpl, ::cppu::OWeakObject& i_parent, ::osl::Mutex& i_mutex ) + :m_rAntiImpl( i_antiImpl ) + ,m_rParent( i_parent ) + ,m_rMutex( i_mutex ) + ,m_bDisposed( false ) + ,m_aUndoHelper( *this ) + { + m_aUndoManager.SetMaxUndoActionCount( + officecfg::Office::Common::Undo::Steps::get()); + } + + virtual ~UndoManager_Impl() + { + } + + ::osl::Mutex& getMutex(); + // IUndoManagerImplementation + virtual SfxUndoManager& getImplUndoManager() override; + virtual Reference< XUndoManager > getThis() override; + + // attribute access + ::cppu::OWeakObject& getParent() { return m_rParent; } + ::framework::UndoManagerHelper& getUndoHelper() { return m_aUndoHelper; } + + // public interface + + /// is called when the owner of the UndoManager is being disposed + void disposing(); + + /// checks whether we're already disposed, throws a DisposedException if so + void checkDisposed_lck(); + + private: + UndoManager& m_rAntiImpl; + ::cppu::OWeakObject& m_rParent; + ::osl::Mutex& m_rMutex; + bool m_bDisposed; + + SfxUndoManager m_aUndoManager; + ::framework::UndoManagerHelper m_aUndoHelper; + }; + + ::osl::Mutex& UndoManager_Impl::getMutex() + { + return m_rMutex; + } + + SfxUndoManager& UndoManager_Impl::getImplUndoManager() + { + return m_aUndoManager; + } + + Reference< XUndoManager > UndoManager_Impl::getThis() + { + return &m_rAntiImpl; + } + + void UndoManager_Impl::disposing() + { + { + ::osl::MutexGuard aGuard( m_rMutex ); + m_bDisposed = true; + } + m_aUndoHelper.disposing(); + } + + void UndoManager_Impl::checkDisposed_lck() + { + if ( m_bDisposed ) + throw DisposedException( OUString(), getThis() ); + } + + namespace { + + /** guard for public UNO methods of the UndoManager + + The only purpose of this guard is to check for the instance being disposed already. Everything else, + in particular the IMutexGuard functionality required by the UndoManagerHelper class, is a dummy only, + as all involved classes (means we ourselves, the UndoManagerHelper, the SfxUndoManager, and the Undo actions + we create) are inherently thread-safe, thus need no external lock (in particular no SolarMutex!). + */ + class UndoManagerMethodGuard : public ::framework::IMutexGuard + { + public: + explicit UndoManagerMethodGuard( UndoManager_Impl& i_impl ) + { + ::osl::MutexGuard aGuard( i_impl.getMutex() ); + // throw if the instance is already disposed + i_impl.checkDisposed_lck(); + } + virtual ~UndoManagerMethodGuard() + { + } + + // IMutexGuard + virtual void clear() override; + virtual ::framework::IMutex& getGuardedMutex() override; + }; + + class DummyMutex : public ::framework::IMutex + { + public: + virtual ~DummyMutex() {} + virtual void acquire() override { } + virtual void release() override { } + }; + + } + + ::framework::IMutex& UndoManagerMethodGuard::getGuardedMutex() + { + static DummyMutex s_aDummyMutex; + return s_aDummyMutex; + } + + void UndoManagerMethodGuard::clear() + { + // nothing to do. This interface implementation is a dummy. + } + } + + using impl::UndoManagerMethodGuard; + + UndoManager::UndoManager( ::cppu::OWeakObject& i_parent, ::osl::Mutex& i_mutex ) + :m_pImpl( new impl::UndoManager_Impl( *this, i_parent, i_mutex ) ) + { + } + + UndoManager::~UndoManager() + { + } + + void SAL_CALL UndoManager::acquire() noexcept + { + m_pImpl->getParent().acquire(); + } + + void SAL_CALL UndoManager::release() noexcept + { + m_pImpl->getParent().release(); + } + + void UndoManager::disposing() + { + m_pImpl->disposing(); + } + + void SAL_CALL UndoManager::enterUndoContext( const OUString& i_title ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().enterUndoContext( i_title, aGuard ); + } + + void SAL_CALL UndoManager::enterHiddenUndoContext( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().enterHiddenUndoContext( aGuard ); + } + + void SAL_CALL UndoManager::leaveUndoContext( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().leaveUndoContext( aGuard ); + } + + void SAL_CALL UndoManager::addUndoAction( const Reference< XUndoAction >& i_action ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().addUndoAction( i_action, aGuard ); + } + + void SAL_CALL UndoManager::undo( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().undo( aGuard ); + + ChartViewHelper::setViewToDirtyState( Reference< XModel >( getParent(), UNO_QUERY ) ); + } + + void SAL_CALL UndoManager::redo( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().redo( aGuard ); + + ChartViewHelper::setViewToDirtyState( Reference< XModel >( getParent(), UNO_QUERY ) ); + } + + sal_Bool SAL_CALL UndoManager::isUndoPossible( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().isUndoPossible(); + } + + sal_Bool SAL_CALL UndoManager::isRedoPossible( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().isRedoPossible(); + } + + OUString SAL_CALL UndoManager::getCurrentUndoActionTitle( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().getCurrentUndoActionTitle(); + } + + OUString SAL_CALL UndoManager::getCurrentRedoActionTitle( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().getCurrentRedoActionTitle(); + } + + Sequence< OUString > SAL_CALL UndoManager::getAllUndoActionTitles( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().getAllUndoActionTitles(); + } + + Sequence< OUString > SAL_CALL UndoManager::getAllRedoActionTitles( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().getAllRedoActionTitles(); + } + + void SAL_CALL UndoManager::clear( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().clear( aGuard ); + } + + void SAL_CALL UndoManager::clearRedo( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().clearRedo( aGuard ); + } + + void SAL_CALL UndoManager::reset( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().reset( aGuard ); + } + + void SAL_CALL UndoManager::addUndoManagerListener( const Reference< XUndoManagerListener >& i_listener ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().addUndoManagerListener( i_listener ); + } + + void SAL_CALL UndoManager::removeUndoManagerListener( const Reference< XUndoManagerListener >& i_listener ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().removeUndoManagerListener( i_listener ); + } + + void SAL_CALL UndoManager::lock( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().lock(); + } + + void SAL_CALL UndoManager::unlock( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().unlock(); + } + + sal_Bool SAL_CALL UndoManager::isLocked( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getUndoHelper().isLocked(); + } + + Reference< XInterface > SAL_CALL UndoManager::getParent( ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + return m_pImpl->getParent(); + } + + void SAL_CALL UndoManager::setParent( const Reference< XInterface >& ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + throw NoSupportException( OUString(), m_pImpl->getThis() ); + } + + void SAL_CALL UndoManager::addModifyListener( const Reference< XModifyListener >& i_listener ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().addModifyListener( i_listener ); + } + + void SAL_CALL UndoManager::removeModifyListener( const Reference< XModifyListener >& i_listener ) + { + UndoManagerMethodGuard aGuard( *m_pImpl ); + m_pImpl->getUndoHelper().removeModifyListener( i_listener ); + } + +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |