docundomanager.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#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>
 
class SfxModelSubComponent
{
public:
    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
        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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