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/* -*- 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_SVL_ITEMPOOL_HXX
#define INCLUDED_SVL_ITEMPOOL_HXX
#include <rtl/string.hxx>
#include <svl/poolitem.hxx>
#include <svl/svldllapi.h>
#include <tools/solar.h>
class SvStream;
class SfxBroadcaster;
struct SfxItemPool_Impl;
#define SFX_WHICH_MAX 4999
#define SFX_ITEM_POOLABLE 0x0001
#define SFX_ITEM_NOT_POOLABLE 0x0002
struct SfxItemInfo
{
sal_uInt16 _nSID;
sal_uInt16 _nFlags;
};
class SfxStyleSheetIterator;
struct SfxPoolItemArray_Impl;
class SfxItemPool;
class SVL_DLLPUBLIC SfxItemPoolUser
{
public:
virtual void ObjectInDestruction(const SfxItemPool& rSfxItemPool) = 0;
protected:
~SfxItemPoolUser() {}
};
/** Base class for providers of defaults of SfxPoolItems.
*
* The derived classes hold the concrete (const) instances which are referenced in several places
* (usually within a single document).
* This helps to lower the amount of calls to lifecycle methods, speeds up comparisons within a document
* and facilitates loading and saving of attributes.
*/
class SVL_DLLPUBLIC SfxItemPool
{
friend struct SfxItemPool_Impl;
const SfxItemInfo* pItemInfos;
SfxItemPool_Impl* pImp;
public:
void AddSfxItemPoolUser(SfxItemPoolUser& rNewUser);
void RemoveSfxItemPoolUser(SfxItemPoolUser& rOldUser);
private:
sal_uInt16 GetIndex_Impl(sal_uInt16 nWhich) const;
sal_uInt16 GetSize_Impl() const;
SVL_DLLPRIVATE bool IsItemFlag_Impl( sal_uInt16 nWhich, sal_uInt16 nFlag ) const;
public:
// for default SfxItemSet::CTOR, set default WhichRanges
void FillItemIdRanges_Impl( sal_uInt16*& pWhichRanges ) const;
const sal_uInt16* GetFrozenIdRanges() const;
protected:
static inline void SetRefCount( SfxPoolItem& rItem, sal_uLong n );
static inline void AddRef( const SfxPoolItem& rItem, sal_uLong n = 1 );
static inline sal_uLong ReleaseRef( const SfxPoolItem& rItem, sal_uLong n = 1);
static inline void SetKind( SfxPoolItem& rItem, SfxItemKind nRef );
public:
SfxItemPool( const SfxItemPool &rPool,
bool bCloneStaticDefaults = false );
SfxItemPool( const OUString &rName,
sal_uInt16 nStart, sal_uInt16 nEnd,
const SfxItemInfo *pItemInfos,
SfxPoolItem **pDefaults = 0,
bool bLoadRefCounts = true );
protected:
virtual ~SfxItemPool();
public:
static void Free(SfxItemPool* pPool);
SfxBroadcaster& BC();
void SetPoolDefaultItem( const SfxPoolItem& );
const SfxPoolItem* GetPoolDefaultItem( sal_uInt16 nWhich ) const;
void ResetPoolDefaultItem( sal_uInt16 nWhich );
void SetDefaults( SfxPoolItem **pDefaults );
void ReleaseDefaults( bool bDelete = false );
static void ReleaseDefaults( SfxPoolItem **pDefaults, sal_uInt16 nCount, bool bDelete = false );
virtual SfxMapUnit GetMetric( sal_uInt16 nWhich ) const;
void SetDefaultMetric( SfxMapUnit eNewMetric );
/** Request string representation of pool items.
This virtual function produces a string representation
from the respective SfxItemPool subclass' known SfxPoolItems.
Subclasses, please override this method, and handle
SfxPoolItems that don't return useful/complete information on
SfxPoolItem::GetPresentation()
This baseclass yields the unmodified string representation of
rItem.
@param[in] rItem
SfxPoolItem to query the string representation of
@param[in] ePresent
requested kind of representation - see SfxItemPresentation
@param[in] eMetric
requested unit of measure of the representation
@param[out] rText
string representation of 'rItem'
@return true if it has a valid string representation
*/
virtual bool GetPresentation( const SfxPoolItem& rItem,
SfxMapUnit ePresentationMetric,
OUString& rText,
const IntlWrapper * pIntlWrapper = 0 ) const;
virtual SfxItemPool* Clone() const;
const OUString& GetName() const;
virtual const SfxPoolItem& Put( const SfxPoolItem&, sal_uInt16 nWhich = 0 );
virtual void Remove( const SfxPoolItem& );
const SfxPoolItem& GetDefaultItem( sal_uInt16 nWhich ) const;
const SfxPoolItem* LoadItem( SvStream &rStream,
bool bDirect = false,
const SfxItemPool *pRefPool = 0 );
bool StoreItem( SvStream &rStream,
const SfxPoolItem &rItem,
bool bDirect = false ) const;
sal_uInt32 GetSurrogate(const SfxPoolItem *) const;
const SfxPoolItem * GetItem2(sal_uInt16 nWhich, sal_uInt32 nSurrogate) const;
const SfxPoolItem * GetItem2Default(sal_uInt16 nWhich) const;
sal_uInt32 GetItemCount2(sal_uInt16 nWhich) const;
const SfxPoolItem* LoadSurrogate(SvStream& rStream,
sal_uInt16 &rWhich, sal_uInt16 nSlotId,
const SfxItemPool* pRefPool = 0 );
bool StoreSurrogate(SvStream& rStream,
const SfxPoolItem *pItem ) const;
SvStream & Load(SvStream &);
virtual SvStream & Store(SvStream &) const;
bool HasPersistentRefCounts() const;
void LoadCompleted();
sal_uInt16 GetFirstWhich() const;
sal_uInt16 GetLastWhich() const;
bool IsInRange( sal_uInt16 nWhich ) const;
bool IsInVersionsRange( sal_uInt16 nWhich ) const;
bool IsInStoringRange( sal_uInt16 nWhich ) const;
void SetStoringRange( sal_uInt16 nFrom, sal_uInt16 nTo );
void SetSecondaryPool( SfxItemPool *pPool );
SfxItemPool* GetSecondaryPool() const;
SfxItemPool* GetMasterPool() const;
void FreezeIdRanges();
void Delete();
bool IsItemFlag( sal_uInt16 nWhich, sal_uInt16 nFlag ) const;
bool IsItemFlag( const SfxPoolItem &rItem, sal_uInt16 nFlag ) const
{ return IsItemFlag( rItem.Which(), nFlag ); }
void SetItemInfos( const SfxItemInfo *pInfos );
sal_uInt16 GetWhich( sal_uInt16 nSlot, bool bDeep = true ) const;
sal_uInt16 GetSlotId( sal_uInt16 nWhich, bool bDeep = true ) const;
sal_uInt16 GetTrueWhich( sal_uInt16 nSlot, bool bDeep = true ) const;
sal_uInt16 GetTrueSlotId( sal_uInt16 nWhich, bool bDeep = true ) const;
void SetVersionMap( sal_uInt16 nVer,
sal_uInt16 nOldStart, sal_uInt16 nOldEnd,
const sal_uInt16 *pWhichIdTab );
sal_uInt16 GetNewWhich( sal_uInt16 nOldWhich ) const;
sal_uInt16 GetVersion() const;
void SetFileFormatVersion( sal_uInt16 nFileFormatVersion );
bool IsCurrentVersionLoading() const;
static bool IsWhich(sal_uInt16 nId) {
return nId && nId <= SFX_WHICH_MAX; }
static bool IsSlot(sal_uInt16 nId) {
return nId && nId > SFX_WHICH_MAX; }
static const SfxItemPool* GetStoringPool();
private:
const SfxItemPool& operator=(const SfxItemPool &); // n.i.!!
static const SfxItemPool* pStoringPool_;
};
// only the pool may manipulate the reference counts
inline void SfxItemPool::SetRefCount( SfxPoolItem& rItem, sal_uLong n )
{
rItem.SetRefCount(n);
}
// only the pool may manipulate the reference counts
inline void SfxItemPool::AddRef( const SfxPoolItem& rItem, sal_uLong n )
{
rItem.AddRef(n);
}
// only the pool may manipulate the reference counts
inline sal_uLong SfxItemPool::ReleaseRef( const SfxPoolItem& rItem, sal_uLong n )
{
return rItem.ReleaseRef(n);
}
inline void SfxItemPool::SetKind( SfxPoolItem& rItem, SfxItemKind nRef )
{
rItem.SetKind( nRef );
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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