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/*************************************************************************
 * @file
 * Style container,which response for special style,ie. text style.
 ************************************************************************/
#ifndef INCLUDED_LOTUSWORDPRO_INC_XFILTER_XFSTYLECONT_HXX
#define INCLUDED_LOTUSWORDPRO_INC_XFILTER_XFSTYLECONT_HXX

#include <xfilter/ixfstyle.hxx>
#include <vector>
#include <memory>

class IXFStyle;

struct IXFStyleRet
{
    IXFStyle* m_pStyle;
    bool m_bOrigDeleted;
    IXFStyleRet()
        : m_pStyle(nullptr)
        , m_bOrigDeleted(false)
    {
    }
};

/**
 * @descr   container object for styles.
 *          All styles can be placed into a style container.
 */
class XFStyleContainer
{
public:
    XFStyleContainer(){}

    explicit XFStyleContainer(const OUString& strStyleNamePrefix);

    XFStyleContainer(const XFStyleContainer& other) = delete;

    XFStyleContainer& operator=(const XFStyleContainer& other) = delete;

    virtual ~XFStyleContainer();

public:
    /**
     * @descr   Add style to container.
     *          If the same style has exist, then pStyle will be deleted, and the same style will be return.
     */
    IXFStyleRet     AddStyle(std::unique_ptr<IXFStyle> pStyle);

    /**
     * @descr   Find the same style.
     */
    IXFStyle*       FindSameStyle(IXFStyle *pStyle);

    /**
     * @descr   get style by name.
     */
    IXFStyle*       FindStyle(const OUString& name);

    /**
     * @descr   clear container.
     */
    void            Reset();

    /**
     * @descr   get count of styles in the container.
     */
    size_t      GetCount() const;

    /**
     * @descr   get style by index.
     */
    const IXFStyle* Item(size_t index) const;

    /**
     * @descr   Output all style.
     */
    virtual void    ToXml(IXFStream *pStrm);

    friend bool operator==(XFStyleContainer& b1, XFStyleContainer& b2);
    friend bool operator!=(XFStyleContainer& b1, XFStyleContainer& b2);
private:
    static void     ManageStyleFont(IXFStyle *pStyle);
private:
    std::vector<std::unique_ptr<IXFStyle>>  m_aStyles;
    OUString   m_strStyleNamePrefix;
};

inline size_t XFStyleContainer::GetCount() const
{
    return m_aStyles.size();
}

#endif

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