/* -*- 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 .
*/
#ifndef INCLUDED_SFX2_SOURCE_INC_DOCUNDOMANAGER_HXX
#define INCLUDED_SFX2_SOURCE_INC_DOCUNDOMANAGER_HXX
#include <sfx2/sfxbasemodel.hxx>
#include <com/sun/star/document/XUndoManager.hpp>
#include <cppuhelper/implbase.hxx>
#include <vcl/svapp.hxx>
#include <memory>
/** base class for sub components of an SfxBaseModel, which share their ref count and lifetime with the SfxBaseModel
*/
class SfxModelSubComponent
{
public :
/** checks whether the instance is alive, i.e. properly initialized, and not yet disposed
*/
void MethodEntryCheck()
{
m_rModel.MethodEntryCheck( true );
}
protected :
SfxModelSubComponent( SfxBaseModel& i_model )
:m_rModel( i_model )
{
}
virtual ~SfxModelSubComponent();
void acquireModel() { m_rModel.acquire(); }
void releaseModel() { m_rModel.release(); }
protected :
const SfxBaseModel& getBaseModel() const { return m_rModel; }
SfxBaseModel& getBaseModel() { return m_rModel; }
private :
SfxBaseModel& m_rModel;
};
class SfxModelGuard
{
public :
enum AllowedModelState
{
// not yet initialized
E_INITIALIZING,
// fully alive, i.e. initialized, and not yet disposed
E_FULLY_ALIVE
};
SfxModelGuard( SfxBaseModel const & i_rModel, const AllowedModelState i_eState = E_FULLY_ALIVE )
: m_aGuard()
{
i_rModel.MethodEntryCheck( i_eState != E_INITIALIZING );
}
SfxModelGuard( SfxModelSubComponent& i_rSubComponent )
:m_aGuard()
{
i_rSubComponent.MethodEntryCheck();
}
void clear()
{
m_aGuard.clear();
}
private :
SolarMutexClearableGuard m_aGuard;
};
namespace sfx2
{
//= DocumentUndoManager
struct DocumentUndoManager_Impl;
class DocumentUndoManager final : public ::cppu::WeakImplHelper<css::document::XUndoManager>
,public SfxModelSubComponent
{
friend struct DocumentUndoManager_Impl;
public :
DocumentUndoManager( SfxBaseModel& i_document );
virtual ~DocumentUndoManager() override;
DocumentUndoManager(const DocumentUndoManager&) = delete ;
DocumentUndoManager& operator =(const DocumentUndoManager&) = delete ;
void disposing();
// non-UNO API for our owner
/** determines whether we have an open Undo context. No mutex locking within this method, no disposal check - this
is the responsibility of the owner .
*/
bool isInContext() const ;
// XInterface
virtual void SAL_CALL acquire( ) noexcept override;
virtual void SAL_CALL release( ) noexcept override;
// XUndoManager
virtual void SAL_CALL enterUndoContext( const OUString& i_title ) override;
virtual void SAL_CALL enterHiddenUndoContext( ) override;
virtual void SAL_CALL leaveUndoContext( ) override;
virtual void SAL_CALL addUndoAction( const css::uno::Reference< css::document::XUndoAction >& i_action ) override;
virtual void SAL_CALL undo( ) override;
virtual void SAL_CALL redo( ) override;
virtual sal_Bool SAL_CALL isUndoPossible( ) override;
virtual sal_Bool SAL_CALL isRedoPossible( ) override;
virtual OUString SAL_CALL getCurrentUndoActionTitle( ) override;
virtual OUString SAL_CALL getCurrentRedoActionTitle( ) override;
virtual css::uno::Sequence< OUString > SAL_CALL getAllUndoActionTitles( ) override;
virtual css::uno::Sequence< OUString > SAL_CALL getAllRedoActionTitles( ) override;
virtual void SAL_CALL clear( ) override;
virtual void SAL_CALL clearRedo( ) override;
virtual void SAL_CALL reset( ) override;
virtual void SAL_CALL addUndoManagerListener( const css::uno::Reference< css::document::XUndoManagerListener >& i_listener ) override;
virtual void SAL_CALL removeUndoManagerListener( const css::uno::Reference< css::document::XUndoManagerListener >& i_listener ) override;
// XLockable, base of XUndoManager
virtual void SAL_CALL lock( ) override;
virtual void SAL_CALL unlock( ) override;
virtual sal_Bool SAL_CALL isLocked( ) override;
// XChild, base of XUndoManager
virtual css::uno::Reference< css::uno::XInterface > SAL_CALL getParent( ) override;
virtual void SAL_CALL setParent( const css::uno::Reference< css::uno::XInterface >& Parent ) override;
private :
std::unique_ptr< DocumentUndoManager_Impl > m_pImpl;
};
} // namespace sfx2
#endif // INCLUDED_SFX2_SOURCE_INC_DOCUNDOMANAGER_HXX
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