/*

* Copyright (c) 2005-2008 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:  Bearer plugin API Implementation file

*

*/

// INCLUDE FILES

#include <e32def.h>

#include <remcon/remconbearerobserver.h>

#include <remcon/remconconverterplugin.h>

#include <remconaddress.h>

#include <remconcoreapi.h>

#include <mediakeysinternalpskeys.h>

#include <UsbWatcherInternalPSKeys.h>

#include <usbpersonalityids.h>

#include <PSVariables.h>   // Property values

// Include this once it is exported

// #include <RemConExtensionApi.h>

#include "MMKeyBearerImplementation.h"

#include "MMKeyBearerObserverPS.h"

#include "mmkeybearerscancodes.h"

#include "trace.h"

#define SET_MEDIAKEY_OPID(eNum, opId, remconEvent) \

case eNum:                                          \

	iOperationId = opId;                            \

    iData.Format(KFormatString,remconEvent);        \

    break;

//Constants

_LIT8(KFormatString,"%c");

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

// CMMKeyBearer::NewL()

// Description: Factory function.

// return: Ownership of a new CMMKeyBearer.

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

//

CMMKeyBearer* CMMKeyBearer::NewL(TBearerParams& aParams)

    {

    FUNC_LOG;

    CMMKeyBearer* self = new(ELeave) CMMKeyBearer(aParams);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// CMMKeyBearer::~CMMKeyBearer()

// Destructor.

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

//

CMMKeyBearer::~CMMKeyBearer()

    {

    FUNC_LOG;

    delete iMMKeyBearerObserver;

    delete iMediaKeyObserver;

    delete iAccessoryVolKeyObserver;

    delete iUSBFileTransferObserver;

    iAknServer.Close();

    }

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

// CMMKeyBearer::CMMKeyBearer()

// construction.

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

//

CMMKeyBearer::CMMKeyBearer(TBearerParams& aParams)

:   CRemConBearerPlugin(aParams),

    iUSBFileTransfer(KUsbWatcherSelectedPersonalityNone),

    iAknServerConnected(EFalse)

    {

    FUNC_LOG;

    //Pass

    }

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

// CMMKeyBearer::ConstructL()

// 2nd-phase construction.

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

//

void CMMKeyBearer::ConstructL()

    {

    FUNC_LOG;

    // throw an indication up to RemCon.

    TRemConAddress addr;

    addr.BearerUid() = Uid();

    TInt err = Observer().ConnectIndicate(addr);

    // Start Active object for listening key events from P&S

    TRAP_AND_LEAVE(

        iMMKeyBearerObserver = CMMKeyBearerObserver::NewL(*this, ESideVolumeKeys),

        "Volume key observer init failed" );

    TRAP_AND_LEAVE(

        iMediaKeyObserver = CMMKeyBearerObserver::NewL(*this, EMediaKeys),

        "Media key observer init failed" );

    TRAP_AND_LEAVE(

        iAccessoryVolKeyObserver = CMMKeyBearerObserver::NewL(*this, EAccessoryVolumeKeys),

        "Accessory key observer init failed" );

    TRAP_AND_LEAVE(

        iUSBFileTransferObserver = CMMKeyBearerObserver::NewL(*this, EFileTransferStatus),

        "USB observer init failed" );

    }

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

// CMMKeyBearer::ConnectRequest()

// Rem Con server send connect request to Bearer Plugin

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

//

void CMMKeyBearer::ConnectRequest(const TRemConAddress& /*aAddr*/)

    {

    FUNC_LOG;

    // Pass

    }

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

// CMMKeyBearer::DisconnectRequest()

// Rem Con server send disconnect request to Bearer Plugin

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

//

void CMMKeyBearer::DisconnectRequest(const TRemConAddress& /*aAddr*/)

    {

    FUNC_LOG;

    // Pass

    }

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

// CMMKeyBearer::SendResponse()

//

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

//

TInt CMMKeyBearer::SendResponse(TUid /* aInterfaceUid */,

        TUint /*aOperationId*/,

        TUint /*aTransactionId*/, // we don't care about this transaction ID

        RBuf8&  aData ,

        const TRemConAddress& /*aAddr*/)

    {

    FUNC_LOG;

    aData.Close();

    return KErrNone;

    }

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

// CMMKeyBearer::SendCommand()

//

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

//

TInt CMMKeyBearer::SendCommand(TUid /* aInterfaceUid */ ,

        TUint /* aOperationId */,

        TUint /* aTransactionId */,

        RBuf8& /* aData */,

        const TRemConAddress& /*aAddr*/)

    {

    FUNC_LOG;

    return KErrNone;

    }

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

// CMMKeyBearer::GetResponse()

//

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

//

TInt CMMKeyBearer::GetResponse(TUid& /* aInterfaceUid */,

        TUint& /* aTransactionId*/,

        TUint& /* aOperationId */,

        RBuf8& /* aData */,

        TRemConAddress& /*aAddr */)

    {

    FUNC_LOG;

    return KErrNone;

    }

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

// CMMKeyBearer::GetCommand()

//

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

//

TInt CMMKeyBearer::GetCommand(TUid& aInterfaceUid ,

        TUint& aTransactionId,

        TUint& aOperationId,

        RBuf8& aData,

        TRemConAddress& aAddr)

    {

    FUNC_LOG;

    aInterfaceUid = iInterfaceUid;

    aOperationId = iOperationId;

    // Pass ownership of this to RemCon.

    TRAPD_ERR( err, aData.CreateL(iData) );

    ERROR( err, "Remcon ownership change failed" );

    aAddr.BearerUid() = Uid();

    aAddr.Addr() = KNullDesC8();

    aTransactionId = iTransactionId;

    return KErrNone;

    }

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

// CMMKeyBearer::SetSVKOperationIdAndData()

//

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

//

void CMMKeyBearer::SetSVKOperationIdAndData(TInt aEnumValue)

    {

    FUNC_LOG;

    INFO_1( "SetSVKOperationIdAndData: enumValue = %d", aEnumValue );

    switch (aEnumValue)

        {

        case KPSVolumeUpPressed:

            iOperationId = ERemConCoreApiVolumeUp;

            iData.Format(KFormatString,ERemConCoreApiButtonPress);

            break;

        case KPSVolumeUpReleased:

            iOperationId = ERemConCoreApiVolumeUp;

            iData.Format(KFormatString,ERemConCoreApiButtonRelease);

            break;

        case KPSVolumeUpClicked:

            iOperationId = ERemConCoreApiVolumeUp;

            iData.Format(KFormatString,ERemConCoreApiButtonClick);

            break;

        case KPSVolumeDownPressed:

            iOperationId = ERemConCoreApiVolumeDown;

            iData.Format(KFormatString,ERemConCoreApiButtonPress);

            break;

        case KPSVolumeDownReleased:

            iOperationId = ERemConCoreApiVolumeDown;

            iData.Format(KFormatString,ERemConCoreApiButtonRelease);

            break;

        case KPSVolumeDownClicked:

            iOperationId = ERemConCoreApiVolumeDown;

            iData.Format(KFormatString,ERemConCoreApiButtonClick);

            break;

        case KPSVolumeNoKey:  // This should never execute

        default:

            iOperationId = aEnumValue;

            iData.Format(KFormatString,ERemConCoreApiButtonClick);

            break;

        }

    }

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

// CMMKeyBearer::SetMediaKeyOperationIdAndData()

//

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

//

void CMMKeyBearer::SetMediaKeyOperationIdAndData(TInt aEnumValue)

    {

    FUNC_LOG;

    INFO_1( "SetMediaKeyOperationIdAndData: enumValue = %d", aEnumValue );

    switch (aEnumValue)

        {

        SET_MEDIAKEY_OPID (EPlayReleased, ERemConCoreApiPausePlayFunction,

                           ERemConCoreApiButtonRelease);

        SET_MEDIAKEY_OPID (EPlayPressed,  ERemConCoreApiPausePlayFunction,

                           ERemConCoreApiButtonPress);

        SET_MEDIAKEY_OPID (EPlayClicked,  ERemConCoreApiPausePlayFunction,

                           ERemConCoreApiButtonClick);

        SET_MEDIAKEY_OPID (EStopReleased, ERemConCoreApiStop,

                           ERemConCoreApiButtonRelease);

        SET_MEDIAKEY_OPID (EStopPressed,  ERemConCoreApiStop,

                           ERemConCoreApiButtonPress);

        SET_MEDIAKEY_OPID (EStopClicked,  ERemConCoreApiStop,

                           ERemConCoreApiButtonClick);

        SET_MEDIAKEY_OPID (EForwardReleased, ERemConCoreApiForward,

                           ERemConCoreApiButtonRelease);

        SET_MEDIAKEY_OPID (EForwardPressed,  ERemConCoreApiForward,

                           ERemConCoreApiButtonPress);

        SET_MEDIAKEY_OPID (EForwardClicked,  ERemConCoreApiForward,

                           ERemConCoreApiButtonClick);

        SET_MEDIAKEY_OPID (ERewindReleased, ERemConCoreApiRewind,

                           ERemConCoreApiButtonRelease);

        SET_MEDIAKEY_OPID (ERewindPressed,  ERemConCoreApiRewind,

                           ERemConCoreApiButtonPress);

        SET_MEDIAKEY_OPID (ERewindClicked,  ERemConCoreApiRewind,

                           ERemConCoreApiButtonClick);

        SET_MEDIAKEY_OPID (EFastForwardReleased, ERemConCoreApiFastForward,

                           ERemConCoreApiButtonRelease);

        SET_MEDIAKEY_OPID (EFastForwardPressed,  ERemConCoreApiFastForward,

                           ERemConCoreApiButtonPress);

        SET_MEDIAKEY_OPID (EFastForwardClicked,  ERemConCoreApiFastForward,

                           ERemConCoreApiButtonClick);

        SET_MEDIAKEY_OPID (EBackwardReleased, ERemConCoreApiBackward,

                           ERemConCoreApiButtonRelease);

        SET_MEDIAKEY_OPID (EBackwardPressed,  ERemConCoreApiBackward,

                           ERemConCoreApiButtonPress);

        SET_MEDIAKEY_OPID (EBackwardClicked,  ERemConCoreApiBackward,

                           ERemConCoreApiButtonClick);

        // This should never execute

        default:

            iOperationId = aEnumValue;

            iData.Format(KFormatString,ERemConCoreApiButtonClick);

            break;

        }

    }

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

// CMMKeyBearer::ReceivedKeyEvent()

//

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

//

void CMMKeyBearer::ReceivedKeyEvent(TInt aEnumValue, TInt aKeyType)

    {

    FUNC_LOG;

    INFO_3( "Received key: enumValue = %d, keyType = %d, usbFileTransfer = %d",

        aEnumValue, aKeyType, iUSBFileTransfer );

    // Mediakeys must be disabled when MTP (Music Transfer) is happening.

    if (aKeyType == EFileTransferStatus)

        {

        iUSBFileTransferObserver->Start(); // Ensure first that no status change gets missed

        iUSBFileTransfer = iUSBFileTransferObserver->GetValue(); // Read the MTP status

        return;

        }

    if ((aKeyType == EMediaKeys) &&

        (iUSBFileTransfer == KUsbPersonalityIdMTP ||

         iUSBFileTransfer == KUsbPersonalityIdPCSuiteMTP))

        {

        iMediaKeyObserver->Start();

        return;

        }

    // Check for keypadlock if the events are from device keypad

    // If events are from accessory device,then do not check for keypadlock

    if (aKeyType != EAccessoryVolumeKeys && aKeyType != ESideVolumeKeys )

        {

        TBool keysLocked = EFalse;

        if (!(iAknServerConnected))  // Connect to server for first time

            {

            if(iAknServer.Connect() == KErrNone)

                {

                iAknServerConnected = ETrue;

                }

            else if (aKeyType == EMediaKeys)                 // If connection fails, then return

                {

                iMediaKeyObserver->Start();

	    	return ;

                }

            }

        iAknServer.ShowKeysLockedNote(keysLocked);

        if (keysLocked && aKeyType == EMediaKeys)

            {

            // Device is locked , Discard the key event

            iMediaKeyObserver->Start();

            return;

            }

        }

    /* To keep the background light on */

    User::ResetInactivityTime();

    // 1. Interface ID is required when Getcommand is called

    iInterfaceUid = TUid::Uid(KRemConCoreApiUid); // from Remconcoreapi.h

    // 2. Transaction ID

    iTransactionId = Observer().NewTransactionId();

    // 3. Addr

    TRemConAddress addr;

    addr.BearerUid() = Uid();

    addr.Addr() = KNullDesC8();

    // 4 & 5. Operation ID and Data

    if ((aKeyType == ESideVolumeKeys) || (aKeyType == EAccessoryVolumeKeys))

        {

        SetSVKOperationIdAndData(aEnumValue);

        }

    else

        {

        SetMediaKeyOperationIdAndData(aEnumValue);

        }

    // Msgtype  is ERemConCommand

    TInt aError = Observer().NewCommand(addr);

    //Start the listener once again

    if (aKeyType == ESideVolumeKeys)

        {

        iMMKeyBearerObserver->Start();

        }

    else if (aKeyType == EMediaKeys)

        {

        iMediaKeyObserver->Start();

        }

    else if (aKeyType == EAccessoryVolumeKeys)

        {

        iAccessoryVolKeyObserver->Start();

        }

    }

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

// CMMKeyBearer::SecurityPolicy()

//

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

//

TSecurityPolicy CMMKeyBearer::SecurityPolicy() const

    {

    FUNC_LOG;

    return TSecurityPolicy(ECapabilityLocalServices);

    }

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

// CMMKeyBearer::ClientStatus()

//

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

//

void CMMKeyBearer::ClientStatus(TBool /*aControllerPresent*/,

                                TBool /*aTargetPresent*/)

    {

    FUNC_LOG;

    //Pass

    }

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

// CMMKeyBearer::GetInterface()

//

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

//

TAny* CMMKeyBearer::GetInterface(TUid aUid)

    {

    FUNC_LOG;

    TAny* ret = NULL;

    if ( aUid == TUid::Uid(KRemConBearerInterface1) )

        {

        ret = reinterpret_cast<TAny*>(

                    static_cast<MRemConBearerInterface*>(this)

                    );

        }

    return ret;

    }

// End of file