/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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 *************************************************************/

#ifndef _SFXSTYLE_HXX
#define _SFXSTYLE_HXX

#include <com/sun/star/style/XStyle.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <rtl/ref.hxx>
#include <vector>
#include <comphelper/weak.hxx>
#include <cppuhelper/implbase2.hxx>
#include <svl/svldllapi.h>
#include <rsc/rscsfx.hxx>
#include <tools/string.hxx>
#include <svl/hint.hxx>
#include <svl/lstner.hxx>
#include <svl/brdcst.hxx>
#include <svl/poolitem.hxx>
#include <svl/style.hrc>
#include <boost/shared_ptr.hpp>

class SfxItemSet;
class SfxItemPool;
class SfxStyleSheetBasePool;
class SvStream;

/*
Everyone changing instances of SfxStyleSheetBasePool or SfxStyleSheetBase
mußt broadcast this using <SfxStyleSheetBasePool::GetBroadcaster()> broadcasten.
The class <SfxStyleSheetHint> is used for this, it contains an Action-Id and a
pointer to the <SfxStyleSheetBase>. The actions are:

#define SFX_STYLESHEET_CREATED      // style is created
#define SFX_STYLESHEET_MODIFIED     // style is modified
#define SFX_STYLESHEET_CHANGED      // style is replaced
#define SFX_STYLESHEET_ERASED       // style is deleted

The following methods already broadcast themself

SfxStyleSheetHint(SFX_STYLESHEET_MODIFIED) from:
   SfxStyleSheetBase::SetName( const String& rName )
   SfxStyleSheetBase::SetParent( const String& rName )
   SfxStyleSheetBase::SetFollow( const String& rName )

SfxSimpleHint(SFX_HINT_DYING) from:
   SfxStyleSheetBasePool::~SfxStyleSheetBasePool()

SfxStyleSheetHint( SFX_STYLESHEET_CREATED, *p ) from:
   SfxStyleSheetBasePool::Make( const String& rName,
   SfxStyleFamily eFam, sal_uInt16 mask, sal_uInt16 nPos)

SfxStyleSheetHint( SFX_STYLESHEET_CHANGED, *pNew ) from:
   SfxStyleSheetBasePool::Add( SfxStyleSheetBase& rSheet )

SfxStyleSheetHint( SFX_STYLESHEET_ERASED, *p ) from:
   SfxStyleSheetBasePool::Erase( SfxStyleSheetBase* p )
   SfxStyleSheetBasePool::Clear()
*/

#define VIRTUAL510 virtual

class SVL_DLLPUBLIC SfxStyleSheetBase : public comphelper::OWeakTypeObject
{
	friend class SfxStyleSheetBasePool;

protected:
	SfxStyleSheetBasePool& 	rPool;			// zugehoeriger Pool
	SfxStyleFamily 			nFamily;		// Familie

	UniString				aName, aParent, aFollow;
	rtl::OUString			maDisplayName;
	String 					aHelpFile;		// Name der Hilfedatei
	SfxItemSet* 			pSet;           // ItemSet
	sal_uInt16  				nMask;			// Flags

	sal_uLong 					nHelpId;		// Hilfe-ID

	sal_Bool   					bMySet;			// sal_True: Set loeschen im dtor

	SfxStyleSheetBase(); // do not use!
	SfxStyleSheetBase( const UniString&, SfxStyleSheetBasePool&, SfxStyleFamily eFam, sal_uInt16 mask );
	SfxStyleSheetBase( const SfxStyleSheetBase& );
	virtual ~SfxStyleSheetBase();
	virtual void Load( SvStream&, sal_uInt16 );
	virtual void Store( SvStream& );

public:
	TYPEINFO();

	// returns the internal name of this style
	virtual const UniString& GetName() const;

	// sets the internal name of this style
	virtual sal_Bool SetName( const UniString& );

	/** returns the display name of this style, it is used at the user interface.
		If the display name is empty, this method returns the internal name. */
	virtual rtl::OUString GetDisplayName() const;

	// sets the display name of this style
	virtual void SetDisplayName( const rtl::OUString& );

	virtual const UniString& GetParent() const;
	virtual sal_Bool SetParent( const UniString& );
	virtual const UniString& GetFollow() const;
	virtual sal_Bool SetFollow( const UniString& );
	virtual sal_Bool HasFollowSupport() const;		// Default sal_True
	virtual sal_Bool HasParentSupport() const;		// Default sal_True
	virtual sal_Bool HasClearParentSupport() const;	// Default sal_False
	virtual sal_Bool IsUsed() const;				// Default sal_True
		// Default aus dem Itemset; entweder dem uebergebenen
		// oder aus dem per GetItemSet() zurueckgelieferten Set
	virtual UniString GetDescription();
	virtual	UniString GetDescription( SfxMapUnit eMetric );

	SfxStyleSheetBasePool& GetPool() { return rPool;   }
	SfxStyleFamily GetFamily() const     { return nFamily; }
	sal_uInt16 	 GetMask() const     { return nMask; }
	void	 SetMask( sal_uInt16 mask) { nMask = mask; }
	sal_Bool   IsUserDefined() const
		   { return sal_Bool( ( nMask & SFXSTYLEBIT_USERDEF) != 0 ); }

	virtual sal_uLong GetHelpId( String& rFile );
	virtual void   SetHelpId( const String& r, sal_uLong nId );

	virtual SfxItemSet& GetItemSet();
	virtual sal_uInt16 GetVersion() const;
};

//=========================================================================

typedef std::vector< rtl::Reference< SfxStyleSheetBase > > SfxStyles;

//=========================================================================

class SVL_DLLPUBLIC SfxStyleSheetIterator

/*	[Beschreibung]

	Klasse zum Iterieren und Suchen auf einem SfxStyleSheetBasePool.

*/

{
public:
	SfxStyleSheetIterator(SfxStyleSheetBasePool *pBase,
						  SfxStyleFamily eFam, sal_uInt16 n=0xFFFF );
	virtual sal_uInt16 GetSearchMask() const;
	virtual SfxStyleFamily GetSearchFamily() const;
	virtual sal_uInt16 Count();
	virtual SfxStyleSheetBase *operator[](sal_uInt16 nIdx);
	virtual SfxStyleSheetBase* First();
	virtual SfxStyleSheetBase* Next();
	virtual SfxStyleSheetBase* Find(const UniString& rStr);
	virtual ~SfxStyleSheetIterator();

protected:

	SfxStyleSheetBasePool*	pBasePool;
	SfxStyleFamily 			nSearchFamily;
	sal_uInt16 					nMask;
	sal_Bool                    SearchUsed() const { return bSearchUsed; }

private:
	sal_uInt16 					GetPos(){return nAktPosition;}
	SVL_DLLPRIVATE sal_Bool 					IsTrivialSearch();
	SVL_DLLPRIVATE sal_Bool 					DoesStyleMatch(SfxStyleSheetBase *pStyle);

	void*					pImp;
	SfxStyleSheetBase*		pAktStyle;
	sal_uInt16 					nAktPosition;
	sal_Bool 					bSearchUsed;

friend class SfxStyleSheetBasePool;
};

typedef ::boost::shared_ptr< SfxStyleSheetIterator > SfxStyleSheetIteratorPtr;
//=========================================================================

class SfxStyleSheetBasePool_Impl;

class SVL_DLLPUBLIC SfxStyleSheetBasePool: public SfxBroadcaster, public comphelper::OWeakTypeObject
{
friend class SfxStyleSheetIterator;
friend class SfxStyleSheetBase;

	SfxStyleSheetBasePool_Impl *pImp;

private:
	SVL_DLLPRIVATE sal_Bool 						Load1_Impl( SvStream& );
	SVL_DLLPRIVATE SfxStyleSheetIterator&      GetIterator_Impl();
protected:
	String 						aAppName;
	SfxItemPool& 				rPool;
	SfxStyles	 				aStyles;
	SfxStyleFamily 				nSearchFamily;
	sal_uInt16 		 				nMask;

	SfxStyleSheetBase& 			Add( SfxStyleSheetBase& );
	void 						ChangeParent( const UniString&, const UniString&, sal_Bool bVirtual = sal_True );
	virtual SfxStyleSheetBase* 	Create( const UniString&, SfxStyleFamily, sal_uInt16 );
	virtual SfxStyleSheetBase* 	Create( const SfxStyleSheetBase& );

								~SfxStyleSheetBasePool();

public:
								SfxStyleSheetBasePool( SfxItemPool& );
								SfxStyleSheetBasePool( const SfxStyleSheetBasePool& );

	static String 				GetStreamName();

	const String& 				GetAppName() const { return aAppName; 	}

	SfxItemPool& 				GetPool();
	const SfxItemPool& 			GetPool() const;

	virtual SfxStyleSheetIteratorPtr CreateIterator(SfxStyleFamily, sal_uInt16 nMask);
	virtual sal_uInt16 				Count();
	virtual SfxStyleSheetBase*	operator[](sal_uInt16 nIdx);

	virtual SfxStyleSheetBase& 	Make(const UniString&,
									 SfxStyleFamily eFam,
									 sal_uInt16 nMask = 0xffff ,
									 sal_uInt16 nPos = 0xffff);

	virtual void             Replace(
		SfxStyleSheetBase& rSource, SfxStyleSheetBase& rTarget );
	
	virtual void				Remove( SfxStyleSheetBase* );
	virtual void 				Insert( SfxStyleSheetBase* );

	virtual void 				Clear();

	SfxStyleSheetBasePool& 		operator=( const SfxStyleSheetBasePool& );
	SfxStyleSheetBasePool& 		operator+=( const SfxStyleSheetBasePool& );

	const SfxStyles&	 		GetStyles();
	virtual SfxStyleSheetBase* 	First();
	virtual SfxStyleSheetBase* 	Next();
	virtual SfxStyleSheetBase* 	Find( const UniString&, SfxStyleFamily eFam, sal_uInt16 n=0xFFFF );

	virtual sal_Bool                SetParent(SfxStyleFamily eFam,
										  const UniString &rStyle,
										  const UniString &rParent);

	SfxStyleSheetBase* 			Find(const UniString& rStr)
								{ return Find(rStr, nSearchFamily, nMask); }

	void   						SetSearchMask(SfxStyleFamily eFam, sal_uInt16 n=0xFFFF );
	sal_uInt16 						GetSearchMask() const;
	SfxStyleFamily 				GetSearchFamily() const  { return nSearchFamily; }

	sal_Bool 						Load( SvStream& );
	sal_Bool 						Store( SvStream&, sal_Bool bUsed = sal_True );
};

//=========================================================================

class SVL_DLLPUBLIC SfxStyleSheet: public SfxStyleSheetBase,
					 public SfxListener, public SfxBroadcaster
{
public:
						TYPEINFO();

						SfxStyleSheet( const UniString&, const SfxStyleSheetBasePool&, SfxStyleFamily, sal_uInt16 );
						SfxStyleSheet( const SfxStyleSheet& );

	virtual void 		Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
	virtual sal_Bool 		SetParent( const UniString& );

protected:
	SfxStyleSheet(); // do not use!
	virtual 			~SfxStyleSheet();
};

//=========================================================================

class SVL_DLLPUBLIC SfxStyleSheetPool: public SfxStyleSheetBasePool
{
protected:
    using SfxStyleSheetBasePool::Create;
	virtual SfxStyleSheetBase* Create(const UniString&, SfxStyleFamily, sal_uInt16 mask);
	virtual SfxStyleSheetBase* Create(const SfxStyleSheet &);

public:
	SfxStyleSheetPool( SfxItemPool const& );

//	virtual sal_Bool CopyTo(SfxStyleSheetPool &rDest, const String &rSourceName);
};

//=========================================================================

#define SFX_STYLESHEET_CREATED		 1	// neu
#define SFX_STYLESHEET_MODIFIED      2	// ver"andert
#define SFX_STYLESHEET_CHANGED       3	// gel"oscht und neu (ausgetauscht)
#define SFX_STYLESHEET_ERASED        4	// gel"oscht
#define SFX_STYLESHEET_INDESTRUCTION 5	// wird gerade entfernt

#define SFX_STYLESHEETPOOL_CHANGES  1  // Aenderungen, die den Zustand
									   // des Pools anedern, aber nicht
									   // ueber die STYLESHEET Hints
									   // verschickt werden sollen.

//========================================================================

class SVL_DLLPUBLIC SfxStyleSheetPoolHint : public SfxHint
{
	sal_uInt16 nHint;

public:
	TYPEINFO();

						SfxStyleSheetPoolHint(sal_uInt16 nArgHint) :  nHint(nArgHint){}
	sal_uInt16				GetHint() const
						{ return nHint; }
};

//=========================================================================

class SVL_DLLPUBLIC SfxStyleSheetHint: public SfxHint
{
	SfxStyleSheetBase*	pStyleSh;
	sal_uInt16              nHint;

public:
						TYPEINFO();

						SfxStyleSheetHint( sal_uInt16 );
						SfxStyleSheetHint( sal_uInt16, SfxStyleSheetBase& );
	SfxStyleSheetBase*	GetStyleSheet() const
						{ return pStyleSh; }
	sal_uInt16				GetHint() const
						{ return nHint; }
};

class SVL_DLLPUBLIC SfxStyleSheetHintExtended: public SfxStyleSheetHint
{
	String              aName;

public:
						TYPEINFO();

						SfxStyleSheetHintExtended(
							sal_uInt16, const String& rOld );
						SfxStyleSheetHintExtended(
							sal_uInt16, const String& rOld,
							SfxStyleSheetBase& );
	const String&       GetOldName() { return aName; }
};

class SVL_DLLPUBLIC SfxUnoStyleSheet : public ::cppu::ImplInheritanceHelper2< SfxStyleSheet, ::com::sun::star::style::XStyle, ::com::sun::star::lang::XUnoTunnel >
{
public:
	SfxUnoStyleSheet( const UniString& _rName, const SfxStyleSheetBasePool& _rPool, SfxStyleFamily _eFamily, sal_uInt16 _nMaske );
	SfxUnoStyleSheet( const SfxStyleSheet& _rSheet );

	static SfxUnoStyleSheet* getUnoStyleSheet( const ::com::sun::star::uno::Reference< ::com::sun::star::style::XStyle >& xStyle );

    // XUnoTunnel
    virtual ::sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aIdentifier ) throw (::com::sun::star::uno::RuntimeException);

private:
	SfxUnoStyleSheet(); // not implemented

	static const ::com::sun::star::uno::Sequence< ::sal_Int8 >& getIdentifier();
};

#endif