/**************************************************************
 * 
 * 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
 * under the License.
 * 
 *************************************************************/


// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_unotools.hxx"
#ifndef GCC
#endif

//_________________________________________________________________________________________________________________
//	includes
//_________________________________________________________________________________________________________________

#include <unotools/fontoptions.hxx>
#include <unotools/configmgr.hxx>
#include <unotools/configitem.hxx>
#include <tools/debug.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>

#include <rtl/logfile.hxx>
#include "itemholder1.hxx"

//_________________________________________________________________________________________________________________
//	namespaces
//_________________________________________________________________________________________________________________

using namespace ::utl					;
using namespace ::rtl					;
using namespace ::osl					;
using namespace ::com::sun::star::uno	;

//_________________________________________________________________________________________________________________
//	const
//_________________________________________________________________________________________________________________

#define	ROOTNODE_FONT						OUString(RTL_CONSTASCII_USTRINGPARAM("Office.Common/Font"			))

#define	PROPERTYNAME_REPLACEMENTTABLE		OUString(RTL_CONSTASCII_USTRINGPARAM("Substitution/Replacement"		))
#define	PROPERTYNAME_FONTHISTORY			OUString(RTL_CONSTASCII_USTRINGPARAM("View/History"					))
#define	PROPERTYNAME_FONTWYSIWYG			OUString(RTL_CONSTASCII_USTRINGPARAM("View/ShowFontBoxWYSIWYG"		))

#define	PROPERTYHANDLE_REPLACEMENTTABLE		0
#define	PROPERTYHANDLE_FONTHISTORY			1
#define	PROPERTYHANDLE_FONTWYSIWYG			2

#define	PROPERTYCOUNT						3

//_________________________________________________________________________________________________________________
//	private declarations!
//_________________________________________________________________________________________________________________

class SvtFontOptions_Impl : public ConfigItem
{
	//-------------------------------------------------------------------------------------------------------------
	//	public methods
	//-------------------------------------------------------------------------------------------------------------

	public:

		//---------------------------------------------------------------------------------------------------------
		//	constructor / destructor
		//---------------------------------------------------------------------------------------------------------

		 SvtFontOptions_Impl();
		~SvtFontOptions_Impl();

		//---------------------------------------------------------------------------------------------------------
		//	overloaded methods of baseclass
		//---------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		called for notify of configmanager
			@descr		These method is called from the ConfigManager before application ends or from the
			 			PropertyChangeListener if the sub tree broadcasts changes. You must update your
						internal values.

			@seealso	baseclass ConfigItem

			@param		"seqPropertyNames" is the list of properties which should be updated.
			@return		-

			@onerror	-
		*//*-*****************************************************************************************************/

    	virtual void Notify( const Sequence< OUString >& seqPropertyNames );

		/*-****************************************************************************************************//**
			@short		write changes to configuration
			@descr		These method writes the changed values into the sub tree
						and should always called in our destructor to guarantee consistency of config data.

			@seealso	baseclass ConfigItem

			@param		-
			@return		-

			@onerror	-
		*//*-*****************************************************************************************************/

    	virtual void Commit();

		//---------------------------------------------------------------------------------------------------------
		//	public interface
		//---------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		access method to get internal values
			@descr		These method give us a chance to regulate acces to ouer internal values.
						It's not used in the moment - but it's possible for the feature!

			@seealso	-

			@param		-
			@return		-

			@onerror	-
		*//*-*****************************************************************************************************/

		sal_Bool	IsReplacementTableEnabled	(					) const	;
		void		EnableReplacementTable		( sal_Bool bState	)		;

		sal_Bool	IsFontHistoryEnabled		(					) const	;
		void		EnableFontHistory			( sal_Bool bState	)		;

		sal_Bool	IsFontWYSIWYGEnabled		(					) const	;
		void		EnableFontWYSIWYG			( sal_Bool bState	)		;

	//-------------------------------------------------------------------------------------------------------------
	//	private methods
	//-------------------------------------------------------------------------------------------------------------

	private:

		/*-****************************************************************************************************//**
			@short		return list of key names of ouer configuration management which represent oue module tree
			@descr		These methods return a static const list of key names. We need it to get needed values from our
						configuration management.

			@seealso	-

			@param		-
			@return		A list of needed configuration keys is returned.

			@onerror	-
		*//*-*****************************************************************************************************/

		static Sequence< OUString > impl_GetPropertyNames();

	//-------------------------------------------------------------------------------------------------------------
	//	private member
	//-------------------------------------------------------------------------------------------------------------

	private:

		sal_Bool		m_bReplacementTable		;
		sal_Bool		m_bFontHistory			;
		sal_Bool		m_bFontWYSIWYG			;
};

//_________________________________________________________________________________________________________________
//	definitions
//_________________________________________________________________________________________________________________

//*****************************************************************************************************************
//	constructor
//*****************************************************************************************************************
SvtFontOptions_Impl::SvtFontOptions_Impl()
	// Init baseclasses first
    :	ConfigItem			( ROOTNODE_FONT	)
	// Init member then.
	,	m_bReplacementTable	( sal_False		)
	,	m_bFontHistory		( sal_False		)
	,	m_bFontWYSIWYG		( sal_False		)
{
	// Use our static list of configuration keys to get his values.
	Sequence< OUString >	seqNames	= impl_GetPropertyNames	(			);
	Sequence< Any >			seqValues	= GetProperties			( seqNames	);

	// Safe impossible cases.
	// We need values from ALL configuration keys.
	// Follow assignment use order of values in relation to our list of key names!
	DBG_ASSERT( !(seqNames.getLength()!=seqValues.getLength()), "SvtFontOptions_Impl::SvtFontOptions_Impl()\nI miss some values of configuration keys!\n" );

	// Copy values from list in right order to ouer internal member.
	sal_Int32 nPropertyCount = seqValues.getLength();
	for( sal_Int32 nProperty=0; nProperty<nPropertyCount; ++nProperty )
	{
		// Safe impossible cases.
		// Check any for valid value.
		DBG_ASSERT( !(seqValues[nProperty].hasValue()==sal_False), "SvtFontOptions_Impl::SvtFontOptions_Impl()\nInvalid property value detected!\n" );
        switch( nProperty )
        {
            case PROPERTYHANDLE_REPLACEMENTTABLE	:	{
															DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_BOOLEAN), "SvtFontOptions_Impl::SvtFontOptions_Impl()\nWho has changed the value type of \"Office.Common\\Font\\Substitution\\Replacement\"?" );
															seqValues[nProperty] >>= m_bReplacementTable;
														}
														break;
            case PROPERTYHANDLE_FONTHISTORY			:	{
															DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_BOOLEAN), "SvtFontOptions_Impl::SvtFontOptions_Impl()\nWho has changed the value type of \"Office.Common\\Font\\View\\History\"?" );
															seqValues[nProperty] >>= m_bFontHistory;
														}
														break;
            case PROPERTYHANDLE_FONTWYSIWYG			:	{
															DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_BOOLEAN), "SvtFontOptions_Impl::SvtFontOptions_Impl()\nWho has changed the value type of \"Office.Common\\Font\\View\\ShowFontBoxWYSIWYG\"?" );
															seqValues[nProperty] >>= m_bFontWYSIWYG;
														}
														break;
        }
	}

	// Enable notification mechanism of ouer baseclass.
	// We need it to get information about changes outside these class on ouer used configuration keys!
	EnableNotification( seqNames );
}

//*****************************************************************************************************************
//	destructor
//*****************************************************************************************************************
SvtFontOptions_Impl::~SvtFontOptions_Impl()
{
	// We must save our current values .. if user forget it!
	if( IsModified() == sal_True )
	{
		Commit();
	}
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions_Impl::Notify( const Sequence< OUString >& seqPropertyNames )
{
	// Use given list of updated properties to get his values from configuration directly!
	Sequence< Any > seqValues = GetProperties( seqPropertyNames );
	// Safe impossible cases.
	// We need values from ALL notified configuration keys.
	DBG_ASSERT( !(seqPropertyNames.getLength()!=seqValues.getLength()), "SvtFontOptions_Impl::Notify()\nI miss some values of configuration keys!\n" );
	// Step over list of property names and get right value from coreesponding value list to set it on internal members!
	sal_Int32 nCount = seqPropertyNames.getLength();
	for( sal_Int32 nProperty=0; nProperty<nCount; ++nProperty )
	{
		if( seqPropertyNames[nProperty] == PROPERTYNAME_REPLACEMENTTABLE )
		{
			DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_BOOLEAN), "SvtFontOptions_Impl::Notify()\nWho has changed the value type of \"Office.Common\\Font\\Substitution\\Replacement\"?" );
			seqValues[nProperty] >>= m_bReplacementTable;
		}
		else
		if( seqPropertyNames[nProperty] == PROPERTYNAME_FONTHISTORY )
		{
			DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_BOOLEAN), "SvtFontOptions_Impl::Notify()\nWho has changed the value type of \"Office.Common\\Font\\View\\History\"?" );
			seqValues[nProperty] >>= m_bFontHistory;
		}
		else
		if( seqPropertyNames[nProperty] == PROPERTYNAME_FONTWYSIWYG )
		{
			DBG_ASSERT(!(seqValues[nProperty].getValueTypeClass()!=TypeClass_BOOLEAN), "SvtFontOptions_Impl::Notify()\nWho has changed the value type of \"Office.Common\\Font\\View\\ShowFontBoxWYSIWYG\"?" );
			seqValues[nProperty] >>= m_bFontWYSIWYG;
		}
        #if OSL_DEBUG_LEVEL > 1
		else DBG_ASSERT( sal_False, "SvtFontOptions_Impl::Notify()\nUnkown property detected ... I can't handle these!\n" );
		#endif
	}
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions_Impl::Commit()
{
	// Get names of supported properties, create a list for values and copy current values to it.
	Sequence< OUString >	seqNames	= impl_GetPropertyNames();
	sal_Int32				nCount		= seqNames.getLength();
	Sequence< Any >			seqValues	( nCount );
	for( sal_Int32 nProperty=0; nProperty<nCount; ++nProperty )
	{
        switch( nProperty )
        {
            case PROPERTYHANDLE_REPLACEMENTTABLE	:	{
                											seqValues[nProperty] <<= m_bReplacementTable;
														}
                										break;
            case PROPERTYHANDLE_FONTHISTORY			:	{
                											seqValues[nProperty] <<= m_bFontHistory;
														}
                										break;
            case PROPERTYHANDLE_FONTWYSIWYG			:	{
                											seqValues[nProperty] <<= m_bFontWYSIWYG;
														}
                										break;
        }
	}
	// Set properties in configuration.
	PutProperties( seqNames, seqValues );
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Bool SvtFontOptions_Impl::IsReplacementTableEnabled() const
{
	return m_bReplacementTable;
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions_Impl::EnableReplacementTable( sal_Bool bState )
{
	m_bReplacementTable = bState;
	SetModified();
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Bool SvtFontOptions_Impl::IsFontHistoryEnabled() const
{
	return m_bFontHistory;
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions_Impl::EnableFontHistory( sal_Bool bState )
{
	m_bFontHistory = bState;
	SetModified();
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Bool SvtFontOptions_Impl::IsFontWYSIWYGEnabled() const
{
	return m_bFontWYSIWYG;
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions_Impl::EnableFontWYSIWYG( sal_Bool bState )
{
	m_bFontWYSIWYG = bState;
	SetModified();
}

//*****************************************************************************************************************
//	private method
//*****************************************************************************************************************
Sequence< OUString > SvtFontOptions_Impl::impl_GetPropertyNames()
{
	// Build static list of configuration key names.
	static const OUString pProperties[] =
	{
		PROPERTYNAME_REPLACEMENTTABLE	,
		PROPERTYNAME_FONTHISTORY		,
		PROPERTYNAME_FONTWYSIWYG		,
	};
	// Initialize return sequence with these list ...
	static const Sequence< OUString > seqPropertyNames( pProperties, PROPERTYCOUNT );
	// ... and return it.
	return seqPropertyNames;
}

//*****************************************************************************************************************
//	initialize static member
//	DON'T DO IT IN YOUR HEADER!
//	see definition for further informations
//*****************************************************************************************************************
SvtFontOptions_Impl*	SvtFontOptions::m_pDataContainer	= NULL	;
sal_Int32				SvtFontOptions::m_nRefCount			= 0		;

//*****************************************************************************************************************
//	constructor
//*****************************************************************************************************************
SvtFontOptions::SvtFontOptions()
{
    // Global access, must be guarded (multithreading!).
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	// Increase ouer refcount ...
	++m_nRefCount;
	// ... and initialize ouer data container only if it not already exist!
    if( m_pDataContainer == NULL )
	{
        RTL_LOGFILE_CONTEXT(aLog, "unotools ( ??? ) ::SvtFontOptions_Impl::ctor()");
        m_pDataContainer = new SvtFontOptions_Impl;

        ItemHolder1::holdConfigItem(E_FONTOPTIONS);
	}
}

//*****************************************************************************************************************
//	destructor
//*****************************************************************************************************************
SvtFontOptions::~SvtFontOptions()
{
    // Global access, must be guarded (multithreading!)
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	// Decrease ouer refcount.
	--m_nRefCount;
	// If last instance was deleted ...
	// we must destroy ouer static data container!
    if( m_nRefCount <= 0 )
	{
		delete m_pDataContainer;
		m_pDataContainer = NULL;
	}
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Bool SvtFontOptions::IsReplacementTableEnabled() const
{
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	return m_pDataContainer->IsReplacementTableEnabled();
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions::EnableReplacementTable( sal_Bool bState )
{
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	m_pDataContainer->EnableReplacementTable( bState );
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Bool SvtFontOptions::IsFontHistoryEnabled() const
{
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	return m_pDataContainer->IsFontHistoryEnabled();
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions::EnableFontHistory( sal_Bool bState )
{
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	m_pDataContainer->EnableFontHistory( bState );
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
sal_Bool SvtFontOptions::IsFontWYSIWYGEnabled() const
{
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	return m_pDataContainer->IsFontWYSIWYGEnabled();
}

//*****************************************************************************************************************
//	public method
//*****************************************************************************************************************
void SvtFontOptions::EnableFontWYSIWYG( sal_Bool bState )
{
    MutexGuard aGuard( impl_GetOwnStaticMutex() );
	m_pDataContainer->EnableFontWYSIWYG( bState );
}

//*****************************************************************************************************************
//	private method
//*****************************************************************************************************************
Mutex& SvtFontOptions::impl_GetOwnStaticMutex()
{
	// Initialize static mutex only for one time!
    static Mutex* pMutex = NULL;
	// If these method first called (Mutex not already exist!) ...
    if( pMutex == NULL )
    {
		// ... we must create a new one. Protect follow code with the global mutex -
		// It must be - we create a static variable!
        MutexGuard aGuard( Mutex::getGlobalMutex() );
		// We must check our pointer again - because it can be that another instance of ouer class will be fastr then these!
        if( pMutex == NULL )
        {
			// Create the new mutex and set it for return on static variable.
            static Mutex aMutex;
            pMutex = &aMutex;
        }
    }
	// Return new created or already existing mutex object.
    return *pMutex;
}