libreoffice/svl/inc/stylepool.hxx

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#ifndef INCLUDED_SVTOOLS_STYLEPOOL_HXX
#define INCLUDED_SVTOOLS_STYLEPOOL_HXX

#include <boost/shared_ptr.hpp>
#include <rtl/ustring.hxx>
#include <svl/itemset.hxx>

class StylePoolImpl;
class StylePoolIterImpl;
class IStylePoolIteratorAccess;

class SVL_DLLPUBLIC StylePool
{
private:
    StylePoolImpl *pImpl;
public:
    typedef boost::shared_ptr<SfxItemSet> SfxItemSet_Pointer_t;

    explicit StylePool( SfxItemSet* pIgnorableItems = 0 );

    /** Insert a SfxItemSet into the style pool.

        The pool makes a copy of the provided SfxItemSet.

        @param SfxItemSet
        the SfxItemSet to insert

        @return a shared pointer to the SfxItemSet
    */
    virtual SfxItemSet_Pointer_t insertItemSet( const SfxItemSet& rSet );

    /** Create an iterator

        The iterator walks through the StylePool
        OD 2008-03-07 #i86923#
        introduce optional parameter to control, if unused SfxItemsSet are skipped or not
        introduce optional parameter to control, if ignorable items are skipped or not

        @attention every change, e.g. destruction, of the StylePool could cause undefined effects.

        @param bSkipUnusedItemSets
        input parameter - boolean, indicating if unused SfxItemSets are skipped or not

        @param bSkipIgnorableItems
        input parameter - boolean, indicating if ignorable items are skipped or not

        @postcond the iterator "points before the first" SfxItemSet of the pool.
        The first StylePoolIterator::getNext() call will deliver the first SfxItemSet.
    */
    virtual IStylePoolIteratorAccess* createIterator( const bool bSkipUnusedItemSets = false,
                                                      const bool bSkipIgnorableItems = false );

    /** Returns the number of styles
    */
    virtual sal_Int32 getCount() const;

    virtual ~StylePool();

    static ::rtl::OUString nameOf( SfxItemSet_Pointer_t pSet );
};

class SVL_DLLPUBLIC IStylePoolIteratorAccess
{
public:
    /** Delivers a shared pointer to the next SfxItemSet of the pool
        If there is no more SfxItemSet, the delivered share_pointer is empty.
    */
    virtual StylePool::SfxItemSet_Pointer_t getNext() = 0;
    virtual ::rtl::OUString getName() = 0;
    virtual ~IStylePoolIteratorAccess() {};
};
#endif