/*

* Copyright (c) 2008-2009 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:    Command object factory

*

*/

#include <glxtracer.h>

#include <COEMAIN.H>

#include <ipvideo/ViaPlayerMediaKeyObserver.h>  // CViaPlayerMediaKeyObserver

#include <e32Keys.h>

#include <e32event.h>

#include "glxmediakeyutility.h"

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

// Constructor

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

//   

CGlxMediaKeyUtility::CGlxMediaKeyUtility()

    {

    TRACER("CGlxMediaKeyUtility::CGlxMediaKeyUtility()");

    }

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

// Destructor.  Remove itself as a listner from the MediaKeyObserver

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

//   

CGlxMediaKeyUtility::~CGlxMediaKeyUtility()

    {

    TRACER("CGlxMediaKeyUtility::~CGlxMediaKeyUtility()");

    TRAP_IGNORE( CViaPlayerMediaKeyObserver::StaticL().RemoveListener( this ); );

    }

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

// NewLC - Standard two phase constructor placing itself on the cleanup stack

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

//   

CGlxMediaKeyUtility* CGlxMediaKeyUtility::NewLC()

    {

    TRACER("CGlxMediaKeyUtility::NewLC()");

    CGlxMediaKeyUtility* self = new (ELeave) CGlxMediaKeyUtility();

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// NewL - Standard two phase constructor

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

//   

CGlxMediaKeyUtility* CGlxMediaKeyUtility::NewL()

    {

    TRACER("CGlxMediaKeyUtility::NewL()");

    CGlxMediaKeyUtility* self = CGlxMediaKeyUtility::NewLC();

    CleanupStack::Pop(self);

    return self;

    }

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

// ConstructL - Adds itsself as a media key listener               

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

//   

void CGlxMediaKeyUtility::ConstructL()

    {

    TRACER("CGlxMediaKeyUtility::ConstructL()");

    CViaPlayerMediaKeyObserver::StaticL().AddListenerL( this );

    }

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

// MediaKeyEventL - The ViaPlayerMediaKeyObserver sends all RemCon key events

//                  here, where they get translated and dispatched

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

//   

void CGlxMediaKeyUtility::MediaKeyEventL(TRemConCoreApiOperationId aOperationId, 

                                         TRemConCoreApiButtonAction aButtonAct )

    {

    TRACER("CGlxMediaKeyUtility::MediaKeyEventL()");

    TStdScanCode scanCode = TranslateKeyEvent(aOperationId);

    DispatchKeyEvent(aButtonAct, scanCode);

    }

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

// DoSimulateKeyEvent - Add key event to application queue

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

//   

void CGlxMediaKeyUtility::DoSimulateKeyEvent(TRawEvent::TType aKeyCode, TStdScanCode aScanCode )

	{

    TRACER("CGlxMediaKeyUtility::DoSimulateKeyEvent()");

    TRawEvent rawEvent;

    rawEvent.Set(aKeyCode, aScanCode);

    UserSvr::AddEvent(rawEvent);  

	}

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

// TranslateKeyEvent - Translates RemCon keys into standard scan codes

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

//   

TStdScanCode CGlxMediaKeyUtility::TranslateKeyEvent(TRemConCoreApiOperationId aOperationId)

    {

    TRACER("CGlxMediaKeyUtility::TranslateKeyEvent()");

    TStdScanCode scanCode = EStdKeyNull;

    switch (aOperationId)

        {

    case ERemConCoreApiVolumeUp:

        scanCode = EStdKeyIncVolume;

        break;

    case ERemConCoreApiVolumeDown:

        scanCode = EStdKeyDecVolume;

        break;

    default:

        break;

        }

    return scanCode;

    }

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

// DispatchKeyEvent - Interperets the button action and acts accordingly

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

//   

void CGlxMediaKeyUtility::DispatchKeyEvent(TRemConCoreApiButtonAction aButtonAct, TStdScanCode aScanCode)

    {

    TRACER("CGlxMediaKeyUtility::DispatchKeyEvent()");

    if (EStdKeyNull == aScanCode)

        {

        return;

        }

    switch (aButtonAct)

        {

    case ERemConCoreApiButtonPress:

        DoSimulateKeyEvent(TRawEvent::EKeyDown, aScanCode);

        break;

    case ERemConCoreApiButtonRelease:

        DoSimulateKeyEvent(TRawEvent::EKeyUp, aScanCode);

        break;

    case ERemConCoreApiButtonClick:

        DoSimulateKeyEvent(TRawEvent::EKeyDown, aScanCode);

        DoSimulateKeyEvent(TRawEvent::EKeyUp, aScanCode);

        break;

        }

    }