/*

* Copyright (c) 2006-2006 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 <glxlog.h>

#include <glxtracer.h>

#include <coemain.h>

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

#include <e32keys.h>

#include <e32event.h>

#include "shwmediakeyshandler.h"

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

// Constructor

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

//   

CShwMediaKeyUtility::CShwMediaKeyUtility()

    {

    TRACER("CShwMediaKeyUtility::CShwMediaKeyUtility");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::CShwMediaKeyUtility()");

    }

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

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

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

//   

CShwMediaKeyUtility::~CShwMediaKeyUtility()

    {

    TRACER("CShwMediaKeyUtility::~CShwMediaKeyUtility");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::~CShwMediaKeyUtility()");

    delete iInterfaceSelector;

    }

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

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

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

//   

CShwMediaKeyUtility* CShwMediaKeyUtility::NewLC()

    {

    TRACER("CShwMediaKeyUtility::NewLC");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::NewLC()");

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

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// NewL - Standard two phase constructor

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

//   

CShwMediaKeyUtility* CShwMediaKeyUtility::NewL()

    {

    TRACER("CShwMediaKeyUtility::NewL");

    GLX_LOG_ENTRY_EXIT_LEAVE_L("CShwMediaKeyUtility::NewL()");

    CShwMediaKeyUtility* self = CShwMediaKeyUtility::NewLC();

    CleanupStack::Pop(self);

    return self;

    }

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

// ConstructL - Adds istself as a media key listener to the

//              ViaPlayerMediaKeyObserver

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

//   

void CShwMediaKeyUtility::ConstructL()

    {

    TRACER("CShwMediaKeyUtility::ConstructL");

    GLX_LOG_ENTRY_EXIT_LEAVE_L("CShwMediaKeyUtility::ConstructL()");

    iInterfaceSelector = CRemConInterfaceSelector::NewL();

    iCoreTarget = CRemConCoreApiTarget::NewL(*iInterfaceSelector, *this);

    iInterfaceSelector->OpenTargetL();

    }

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

// MrccatoCommand()

// Receives events (press/click/release) from the following buttons:

// 'Play/Pause', 'Volume Up', 'Volume Down', 'Stop', 'Rewind', 'Forward'

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

//   

void CShwMediaKeyUtility::MrccatoCommand(TRemConCoreApiOperationId aOperationId, 

                                     TRemConCoreApiButtonAction aButtonAct)

    {

    TRACER("CShwMediaKeyUtility::MrccatoCommand");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::MediaKeyEventL()");

    TStdScanCode scanCode = TranslateKeyEvent(aOperationId);

    DispatchKeyEvent(aButtonAct, scanCode);

    }

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

// DoSimulateKeyEvent - Add key event to application queue

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

//   

void CShwMediaKeyUtility::DoSimulateKeyEvent(TRawEvent::TType aKeyCode, 

                                                        TStdScanCode aScanCode )

	{

	TRACER("CShwMediaKeyUtility::DoSimulateKeyEvent");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::DoSimulateKeyEvent()");

    TRawEvent rawEvent;

    rawEvent.Set(aKeyCode, aScanCode);

    UserSvr::AddEvent(rawEvent);  

	}

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

// TranslateKeyEvent - Translates RemCon keys into standard scan codes

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

//   

TStdScanCode CShwMediaKeyUtility::TranslateKeyEvent(TRemConCoreApiOperationId aOperationId)

    {

    TRACER("CShwMediaKeyUtility::TranslateKeyEvent");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::TranslateKeyEvent()");

    TStdScanCode scanCode = EStdKeyNull;

    TRequestStatus status;

    switch (aOperationId)

        {

    case ERemConCoreApiVolumeUp:

        scanCode = EStdKeyIncVolume;

        break;

    case ERemConCoreApiVolumeDown:

        scanCode = EStdKeyDecVolume;

        break;

    case ERemConCoreApiPausePlayFunction:

        scanCode = EStdKeyDictaphonePlay;

        iCoreTarget->PausePlayFunctionResponse(status, KErrNone); 

        User::WaitForRequest(status);

        break;

    default:

        break;

        }

    return scanCode;

    }

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

// DispatchKeyEvent - Interperets the button action and acts accordingly

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

//   

void CShwMediaKeyUtility::DispatchKeyEvent(TRemConCoreApiButtonAction aButtonAct,

                                                            TStdScanCode aScanCode)

    {

    TRACER("CShwMediaKeyUtility::DispatchKeyEvent");

    GLX_LOG_ENTRY_EXIT("CShwMediaKeyUtility::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;

        }

    }