/**************************************************************
 * 
 * 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_sw.hxx"


#include <tools/debug.hxx>
#include "viewsh.hxx"
#include "rootfrm.hxx"  // GetOleShell()
#include "txtfrm.hxx"	// FindRootFrm()
#include "blink.hxx"
#include "porlin.hxx"
#include "porlay.hxx"   // SwLineLayout

// Sichtbare Zeit:
#define BLINK_ON_TIME		2400L
// Nihct sichtbare Zeit:
#define BLINK_OFF_TIME		800L

/*************************************************************************
 * pBlink zeigt auf die Instanz, bei der sich blinkende Portions anmelden
 * muessen, ggf. muss pBlink erst per new SwBlink angelegt werden.
 * Diese werden dann rhythmisch zum Repaint angeregt und koennen abfragen,
 * ob sie zur Zeit sichtbar oder unsichtbar sein sollen ( IsVisible() ).
 *************************************************************************/
SwBlink *pBlink = NULL;


// Liste von blinkenden Portions
SV_IMPL_OP_PTRARR_SORT( SwBlinkList, SwBlinkPortionPtr )

SwBlink::SwBlink()
{
	bVisible = sal_True;
	// Den Timer vorbereiten
	aTimer.SetTimeout( BLINK_ON_TIME );
	aTimer.SetTimeoutHdl( LINK(this, SwBlink, Blinker) );
}

SwBlink::~SwBlink( )
{
	aTimer.Stop();
}

/*************************************************************************
 * SwBlink::Blinker (Timerablauf):
 * Sichtbar/unsichtbar-Flag toggeln.
 * Repaint-Rechtecke der Blinkportions ermitteln und an ihren OleShells
 * invalidieren.
 *************************************************************************/

IMPL_LINK( SwBlink, Blinker, Timer *, EMPTYARG )
{
	bVisible = !bVisible;
	if( bVisible )
		aTimer.SetTimeout( BLINK_ON_TIME );
	else
		aTimer.SetTimeout( BLINK_OFF_TIME );
	if( aList.Count() )
	{

		for( MSHORT nPos = 0; nPos < aList.Count(); )
		{
			const SwBlinkPortion* pTmp = aList[ nPos ];
			if( pTmp->GetRootFrm() &&
				((SwRootFrm*)pTmp->GetRootFrm())->GetCurrShell() )
			{
				++nPos;

                Point aPos = pTmp->GetPos();
                long nWidth, nHeight;
                switch ( pTmp->GetDirection() )
                {
                    case 900:
                        aPos.X() -= pTmp->GetPortion()->GetAscent();
                        aPos.Y() -= pTmp->GetPortion()->Width();
                        nWidth = pTmp->GetPortion()->SvLSize().Height();
                        nHeight = pTmp->GetPortion()->SvLSize().Width();
                        break;
					case 1800:
                        aPos.Y() -= pTmp->GetPortion()->Height() -
									pTmp->GetPortion()->GetAscent();
						aPos.X() -= pTmp->GetPortion()->Width();
                        nWidth = pTmp->GetPortion()->SvLSize().Width();
                        nHeight = pTmp->GetPortion()->SvLSize().Height();
						break;
                    case 2700:
                        aPos.X() -= pTmp->GetPortion()->Height() -
                                    pTmp->GetPortion()->GetAscent();
                        nWidth = pTmp->GetPortion()->SvLSize().Height();
                        nHeight = pTmp->GetPortion()->SvLSize().Width();
                        break;
                    default:
                        aPos.Y() -= pTmp->GetPortion()->GetAscent();
                        nWidth = pTmp->GetPortion()->SvLSize().Width();
                        nHeight = pTmp->GetPortion()->SvLSize().Height();
                }

                Rectangle aRefresh( aPos, Size( nWidth, nHeight ) );
				aRefresh.Right() += ( aRefresh.Bottom()- aRefresh.Top() ) / 8;
				((SwRootFrm*)pTmp->GetRootFrm())
					->GetCurrShell()->InvalidateWindows( aRefresh );
			}
			else // Portions ohne Shell koennen aus der Liste entfernt werden.
				aList.Remove( nPos );
		}
	}
	else // Wenn die Liste leer ist, kann der Timer gestoppt werden.
		aTimer.Stop();
	return sal_True;
}

void SwBlink::Insert( const Point& rPoint, const SwLinePortion* pPor,
                      const SwTxtFrm *pTxtFrm, sal_uInt16 nDir )
{
    SwBlinkPortion *pBlinkPor = new SwBlinkPortion( pPor, nDir );

	MSHORT nPos;
	if( aList.Seek_Entry( pBlinkPor, &nPos ) )
	{
        aList[ nPos ]->SetPos( rPoint );
		delete pBlinkPor;
	}
	else
	{
        pBlinkPor->SetPos( rPoint );
		pBlinkPor->SetRootFrm( pTxtFrm->getRootFrm() );
		aList.Insert( pBlinkPor );
		pTxtFrm->SetBlinkPor();
		if( pPor->IsLayPortion() || pPor->IsParaPortion() )
			((SwLineLayout*)pPor)->SetBlinking( sal_True );

		if( !aTimer.IsActive() )
			aTimer.Start();
	}
}

void SwBlink::Replace( const SwLinePortion* pOld, const SwLinePortion* pNew )
{
    // setting direction to 0 because direction does not matter
    // for this operation
    SwBlinkPortion aBlink( pOld, 0 );
	MSHORT nPos;
	if( aList.Seek_Entry( &aBlink, &nPos ) )
	{
		SwBlinkPortion* pTmp = new SwBlinkPortion( aList[ nPos ], pNew );
		aList.Remove( nPos );
		aList.Insert( pTmp );
	}
}

void SwBlink::Delete( const SwLinePortion* pPor )
{
    // setting direction to 0 because direction does not matter
    // for this operation
    SwBlinkPortion aBlink( pPor, 0 );
	MSHORT nPos;
	if( aList.Seek_Entry( &aBlink, &nPos ) )
		aList.Remove( nPos );
}

void SwBlink::FrmDelete( const SwRootFrm* pRoot )
{
	for( MSHORT nPos = 0; nPos < aList.Count(); )
	{
		if( pRoot == aList[ nPos ]->GetRootFrm() )
			aList.Remove( nPos );
		else
			++nPos;
	}
}