/*

* Copyright (c) 2007-2008 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:    The timer control for the slideshow

 *

*/

#include "shwtimercontrol.h"

#include "shwevent.h"

#include "shwcallback.h"

#include "shwtimer.h"

#include <glxlog.h>

#include <glxtracer.h>

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

// C++ Constructor. Save a few bits of rom with inlining

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

inline CShwTimerControl::CShwTimerControl()

	{

	// No implementation required

	}

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

// NewL. Static construction

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

CShwTimerControl* CShwTimerControl::NewL()

	{

	TRACER("CShwTimerControl::NewL");

	GLX_LOG_INFO( "CShwTimerControl::NewL" );

	CShwTimerControl* self = new( ELeave ) CShwTimerControl;

	CleanupStack::PushL( self );

	self->ConstructL();

	CleanupStack::Pop( self );

	return self;

	}

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

// Destructor.

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

CShwTimerControl::~CShwTimerControl()

	{

	TRACER("CShwTimerControl::~CShwTimerControl");

    GLX_LOG_INFO( "CShwTimerControl::~CShwTimerControl" );

	// just delete, it cancels the timer

	delete iTimer;

	}

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

// ConstructL.

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

void CShwTimerControl::ConstructL()

	{

	TRACER("CShwTimerControl::ConstructL");

	// create the timer

	iTimer = CShwTimer::NewL( CActive::EPriorityStandard ); // neutral priority

	}

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

// SendTimerBeatL.

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

TInt CShwTimerControl::SendTimerBeatL()

	{

	TRACER("CShwTimerControl::SendTimerBeatL");

    GLX_LOG_INFO( "CShwTimerControl::SendTimerBeatL" );

	// cancel the timer

	iTimer->Cancel();

	// send the timerbeat

	TShwEventTimerBeat timerbeat;

	SendEventL( &timerbeat );

	// return KErrNone, return value is ignored by CPeriodic

	return KErrNone;

	}

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

// NotifyL.

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

void CShwTimerControl::NotifyL( MShwEvent* aEvent )

	{

	TRACER("CShwTimerControl::NotifyL");

    GLX_LOG_INFO( "CShwTimerControl::NotifyL" );

	TShwEventStartView* eventStartView = 

		dynamic_cast<TShwEventStartView*>( aEvent );

    // was it start view

	if( eventStartView )

		{

		// event is start view

		TInt interval = eventStartView->Parameter();

		// get the relevant delay and interval values

	    GLX_LOG_INFO1( 

	        "CShwTimerControl::NotifyL - TShwEventStartView %d", interval );

		// Start the timer with the appropriate values for the event

		iTimer->Start( interval, interval,

			TShwCallBack< CShwTimerControl, SendTimerBeatL >( this ) );		

		}

    // was it start pause

	else if ( dynamic_cast<TShwEventPause*>( aEvent ) )

		{

		GLX_LOG_INFO( "CShwTimerControl::NotifyL - TShwEventPause" );

		// pause the timer

		iTimer->Pause();

		}

    // was it start resume

	else if( dynamic_cast<TShwEventResume*>( aEvent ) )

		{

		// event is resume

	    GLX_LOG_INFO( "CShwTimerControl::NotifyL - TShwEventResume" );

		// resume the timer

		iTimer->Resume();

		}

	// was it next or previous image?

	else if ( dynamic_cast< TShwEventNextImage* >( aEvent ) || 

			  dynamic_cast< TShwEventPreviousImage* >( aEvent ) )

	    {

	    GLX_LOG_INFO( "CShwTimerControl::NotifyL - TShwEventNext/PreviousImage" );

        // cancel the timer as we have moved to another image

        iTimer->Cancel();

	    }

	else if ( dynamic_cast< TShwEventToggleControlUi* >( aEvent ))

        {

        GLX_LOG_INFO( "CShwTimerControl::NotifyL - TShwEventToggleControlUi" );

        // Have to impliment if need comes

        }

	}