/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Functional implementation of one touch(pointer sequence) event service.

*

*/

// INCLUDE FILES

#include "HtiKeyEventServicePlugin.h"

#include "MultiTouchPointerEvent.h"

#include "MultiTouchPointerEventHandler.h"

#include <HtiLogging.h>

// CONSTANTS

_LIT8( KErrorInternalFailure, "Internal pointer command failure" );

_LIT (KPrintInfoString, "PrintInfo event id=%d time=%d type=%d X=%d Y=%d Z=%d");

// ----------------------------------------------------------------------------

// CMultiTouchPointerUnit::NewL()

// ----------------------------------------------------------------------------

CMultiTouchPointerEvent* CMultiTouchPointerEvent::NewL(TUint8 aTouchNumber,

        CMultiTouchPointerEventHandler* aEventHandler)

    {

    HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::NewL" );

    CMultiTouchPointerEvent* self = new (ELeave) CMultiTouchPointerEvent(aTouchNumber, aEventHandler);

    CleanupStack::PushL ( self );

    self->ConstructL();

    CleanupStack::Pop();

    HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::NewL" );

    return self;

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::CMultiTouchPointerEvent()

// ----------------------------------------------------------------------------

CMultiTouchPointerEvent::CMultiTouchPointerEvent(TUint8 aTouchNumber,

        CMultiTouchPointerEventHandler *aEventHandler)

    : CActive(CActive::EPriorityStandard),

      iEventHandler(aEventHandler),

      iTouchNumber(aTouchNumber)

    {

    HTI_LOG_TEXT( "CMultiTouchPointerEvent constructor" );

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::~CMultiTouchPointerEvent()

// ----------------------------------------------------------------------------

CMultiTouchPointerEvent::~CMultiTouchPointerEvent()

    {

    HTI_LOG_TEXT( "CMultiTouchPointerEvent destructor" );

    Cancel();

    iTimer.Close();

    iTimeArray.ResetAndDestroy(); 

	iAdvPointerArray.ResetAndDestroy(); 

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::ConstructL()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::ConstructL()

    {

    HTI_LOG_TEXT( "CMultiTouchPointerEvent::ConstructL" );

    iTimeArray.Reset(); 

    User::LeaveIfError( iTimer.CreateLocal() );

    CActiveScheduler::Add( this );

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::StartTouch()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::StartTouch()

    {

    HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::StartTouch" );

    TBool bcontinue=ETrue;

    while (iTimeArray.Count()>0 && bcontinue)

        {

        TTimeIntervalMicroSeconds32* time=iTimeArray[0];

        iTimeArray.Remove(0);        

    	HTI_LOG_FORMAT( "Event time=%d ", time->Int() );    	

        if (time->Int()==0) 

            {

			// execute immediately            

			SimulatePointerEvent(); 

            }

        else

        	{

			// wait for specified time

			iTimer.After( iStatus, *time );

			SetActive();        

			bcontinue=EFalse;

        	}

        delete time;

        }

    if (iTimeArray.Count()==0)

    	{

		HTI_LOG_FORMAT( "Notify touch %d complete", iTouchNumber );

		iEventHandler->NotifyTouchComplete(iTouchNumber);  

    	}

    HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::StartTouch" );

    }

// ----------------------------------------------------------------------------

// void CMultiTouchPointerEvent::InsertPointArrayL()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::InsertPointArrayL(TInt aX,TInt aY,TInt aZ,TRawEvent::TType aEventType)

    {

    TAdvancedPointer* point = new (ELeave) TAdvancedPointer;

    CleanupStack::PushL(point);

    iAdvPointerArray.AppendL(point);

    CleanupStack::Pop();

    point->X=aX;

    point->Y=aY;

    point->Z=aZ;

    point->EventType=aEventType;

    }

// ----------------------------------------------------------------------------

// void CMultiTouchPointerEvent::InsertTimeArrayL()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::InsertTimeArrayL(TTimeIntervalMicroSeconds32 aDelayTime)

    {

    TTimeIntervalMicroSeconds32* time=new (ELeave) TTimeIntervalMicroSeconds32(aDelayTime);

    iTimeArray.AppendL(time);

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::InterpolatePointL()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::InterpolatePointL(TInt aX1,TInt aY1, TInt aZ1, 

        TInt aX2,TInt aY2, TInt aZ2, TTimeIntervalMicroSeconds32 aDragTime, TInt aStepCount)

    {

    HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::InterpolatePointL" );

    TInt dx = (aX2-aX1)/aStepCount;

    TInt dy = (aY2-aY1)/aStepCount;  

    TTimeIntervalMicroSeconds32 dt = aDragTime.Int()/aStepCount;

    TInt X,Y,Z;

    for (TInt i=1;i<=aStepCount;i++)

        {         

        if (i<aStepCount)

            {

            X=aX1+i*dx;

            Y=aY1+i*dy;

            Z=aZ1;

            }

        else

            {

            X=aX2;

            Y=aY2;

            Z=aZ2;

            }             

        AddPointL(dt,X,Y,Z,TRawEvent::EPointerMove);        

        }

    HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::InterpolatePointL" );

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::RunL()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::RunL()

    {

    HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::RunL" );

    SimulatePointerEvent();

    StartTouch();

    HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::RunL" );

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::RunError()

// ----------------------------------------------------------------------------

TInt CMultiTouchPointerEvent::RunError( TInt aError )

    {

    HTI_LOG_FORMAT( "CMultiTouchPointerEvent::RunError %d", aError );

    return KErrNone;

    }

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::DoCancel()

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::DoCancel()

    {

    HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::DoCancel" );

    iTimer.Cancel();

    HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::DoCancel" );

    }

void CMultiTouchPointerEvent::PrintInfo()

	{

#ifdef __ENABLE_LOGGING__

	HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::PrintInfo" );

	HTI_LOG_FORMAT( "PrintInfo touch number=%d ", iTouchNumber );

	TInt size=iTimeArray.Count(); 

	HTI_LOG_FORMAT( "PrintInfo event array=%d ", size );	

	TBuf<255> buf;

	for (TInt i=0;i<size;i++)

		{

        buf.Format(KPrintInfoString, 

                i, iTimeArray[i]->Int(),iAdvPointerArray[i]->EventType ,

                iAdvPointerArray[i]->X ,iAdvPointerArray[i]->Y, iAdvPointerArray[i]->Z );

        HTI_LOG_DES(buf);

		}

	HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::PrintInfo" );

#endif

	}

// ----------------------------------------------------------------------------

// CMultiTouchPointerEvent::SimulatePointerEvent()

// Sends the pointer event as a raw event.

// ----------------------------------------------------------------------------

void CMultiTouchPointerEvent::SimulatePointerEvent()

    {

    HTI_LOG_FUNC_IN( "CMultiTouchPointerEvent::SimulatePointerEvent" );    

	if (iAdvPointerArray.Count()>0)

        {

        TAdvancedPointer* pointer = iAdvPointerArray[0];    

        iAdvPointerArray.Remove(0);

        iEventHandler->SimulateEvent(iTouchNumber, pointer->X, pointer->Y, pointer->Z,pointer->EventType);        

        delete pointer;

        }

    HTI_LOG_FUNC_OUT( "CMultiTouchPointerEvent::SimulatePointerEvent" );

    }

void CMultiTouchPointerEvent::AddPointL(TTimeIntervalMicroSeconds32 aTime,

		TInt aX, TInt aY, TInt aZ, TRawEvent::TType aEventType)

	{

	InsertPointArrayL( aX, aY, aZ,aEventType);

	InsertTimeArrayL(aTime);

	}

// End of file