/*

* 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:  provides interface for application to set UID and 

 *                provisioning adapters to set the settings application ID.

 *                PNPMS client get these values before activating service.

 *                This class can be used for launching online support in different modes

 *

*/

#include <PnpProvUtil.h>

#include <centralrepository.h>

#include "PnpUtilPrivateCRKeys.h"

#include <apgcli.h>

#include <apacmdln.h>

_LIT( KSpace," ");

_LIT( KQuote, "\"" );

_LIT( KServerParam, "s" );

_LIT( KPageParam, "p" );

_LIT( KReasonParam, "r" );

_LIT( KQueryParam, "q" );

_LIT( KAutoStartParam, "a" );

_LIT( KTokenOverrideParam, "t" );

_LIT( KServerPrefix, "www");

_LIT( KPageString, "page1");

_LIT( KHelpquery, "query");

const TUid KServiceHelpUID = { 0x10204338 };

const TInt KBufferMaxLength = 128; 

const TInt KBufferMinLength = 2;

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

// CPnpProvUtil::CPnpProvUtil

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CPnpProvUtil::CPnpProvUtil()

    {

    }

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

// CPnpProvUtil::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPnpProvUtil::ConstructL()

    {

    //No values to assign	

    }

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

// CPnpProvUtil::NewL

// Two-phased constructor.

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

//

EXPORT_C CPnpProvUtil* CPnpProvUtil::NewL()

    {

    CPnpProvUtil* self = NewLC();

    CleanupStack::Pop();

    return self; 

    }

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

// CPnpProvUtil::NewLC

// Two-phased constructor.

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

//

EXPORT_C CPnpProvUtil* CPnpProvUtil::NewLC()

    {

    CPnpProvUtil* self = new( ELeave ) CPnpProvUtil;

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor

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

CPnpProvUtil::~CPnpProvUtil()

    {   

    }

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

// SetLaunchedApplicationDetailsL

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

EXPORT_C void CPnpProvUtil::SetApplicationUidL(TUint32 aUid)

    {

    // Set UID of application into Cenrep Key for identifying the application

    // that triggered PNPMS client for service activation

    TBuf<50> uidval;

    // In case of resetting the cenrep value 	 

    if(aUid == 0)

        uidval= KNullDesC;

    else	

        uidval.Num(aUid, EHex);

    SetCenrepValueL(KCRUidPnpUtil,KPnPProvUtilAppUID, uidval);

    }

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

// GetLaunchedApplicationDetailsL

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

EXPORT_C TUint32 CPnpProvUtil::GetApplicationUidL()

    {

    // Get UID of application from Cenrep set by SetApplicationUidL

    // Return application UID to PNPMS client for service activation

    TUint32 uidval = 0; 

    TBuf<50> buf;

    GetCenrepValueL(KCRUidPnpUtil,KPnPProvUtilAppUID,buf);

    // If Cenrep value is empty then return UID with 0

    if( buf.Compare(KNullDesC) != 0 ) 

        {

        TLex lex(buf);

        lex.Val(uidval, EHex);

        }

    return uidval;

    }

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

// SetProvAdapterAppIdL

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

EXPORT_C void CPnpProvUtil::SetProvAdapterAppIdL(TDesC& appID)

    {	

    // This function set Provisioning adapter Application ID

    // for example: Email Provisioning settings: 110,143 

    TBuf<KBufferMaxLength> getValue;

    GetCenrepValueL(KCRUidPnpUtil,KPnPProvUtilProvAdapID, getValue );

    // Passing Null reference indicates clearing the Provisioning application

    // ID keys

    if(appID.Compare(_L(""))==0)

        SetCenrepValueL(KCRUidPnpUtil,KPnPProvUtilProvAdapID, appID );

    else

        {

        // If same adapter requests to set more than one application ID then

        // new application ID will be appended to existing one 

        // for example: Email app can have more than one app ID(POP3 and IMPA4)

        if(getValue.Compare(_L("")))

            {

            getValue.Append(_L(","));

            getValue.Append(appID);	

            }

        else	

            {

            getValue.Append(appID); 

            }

        SetCenrepValueL(KCRUidPnpUtil,KPnPProvUtilProvAdapID, getValue );

        }

    }

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

// GetProvAdapterAppIdsL

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

EXPORT_C void CPnpProvUtil::GetProvAdapterAppIdsL(RPointerArray<HBufC>& array)

    {

    // Get list of provisioning application IDs set by a particular 

    // provisioning adapter

    TBuf<KBufferMaxLength> getValue;

    GetCenrepValueL(KCRUidPnpUtil,KPnPProvUtilProvAdapID, getValue);

    ParseValueL(getValue, array);

    TBufC<KBufferMinLength> buf(_L(""));

    SetProvAdapterAppIdL(buf);

    }

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

// LaunchOnlineSupportL

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

EXPORT_C void CPnpProvUtil::LaunchOnlineSupportL(TDesC& aUri,TConnectReason aConnectReason, TStartMode aMode, TBool aTokenOverride , TDesC& aQueryString )

    {

    TBuf<KBufferMaxLength> cmdLineString;

    // Get constructed command line string and pass it as command line argument for starting the application

    ConstructCmdLineStringL(aUri, aConnectReason, aMode, aTokenOverride, aQueryString,cmdLineString );

    //online Support is launched from Command Line Symbian Framework	 

    RApaLsSession appArcSession;

    User::LeaveIfError( appArcSession.Connect() );

    CleanupClosePushL( appArcSession );

    TApaAppInfo info;

    User::LeaveIfError( appArcSession.GetAppInfo( info,KServiceHelpUID  ) );

    CApaCommandLine* cmdLine = CApaCommandLine::NewLC();

    cmdLine->SetExecutableNameL( info.iFullName );

    TBuf8<KBufferMaxLength> params;

    params.Copy( cmdLineString.Left( KBufferMaxLength) );

    cmdLine->SetTailEndL( params );

    TInt err = appArcSession.StartApp( *cmdLine );

    if( err != KErrNone )

        {

        User::Leave( err );

        }

    CleanupStack::PopAndDestroy( cmdLine );

    CleanupStack::PopAndDestroy(); // appArcSession.Close();

    }

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

// ConstructUriWithPnPUtilL

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

EXPORT_C void CPnpProvUtil::ConstructUriWithPnPUtilL(TDes& /*aUri*/, TServers /*aServer*/)

    {

    User::Leave(KErrNotSupported);

    }

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

// SetCenrepValueL

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

void CPnpProvUtil::SetCenrepValueL(TUid aRepositoryUid,TUint32 aKey,TDesC& aValue)

    {

    // Set cenrep value to key specified as parameter to this function

    CRepository * rep = NULL;

    TInt errorStatus = KErrNone;

    TBuf<KBufferMaxLength> getValue(aValue);

    TRAPD( errVal, rep = CRepository::NewL(aRepositoryUid));

    if(errVal == KErrNone)

        {

        errorStatus =  rep->Set( aKey , getValue );

        }

    else

        {

        errorStatus = errVal;

        }

    if(rep)

        {

        delete rep;

        }

    if(errorStatus != KErrNone )

        {

        User::Leave(errorStatus);

        }

    }

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

// GetCenrepValueL

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

void CPnpProvUtil::GetCenrepValueL(TUid aRepositoryUid,TUint32 aKey, TDes& aValue)

    {

    // Get cenrep value of key specified as parameter to this function

    CRepository * rep = NULL;

    TInt errorStatus = KErrNone;

    TRAPD( errVal, rep = CRepository::NewL(aRepositoryUid));

    if(errVal == KErrNone)

        {

        errorStatus =  rep->Get( aKey , aValue );

        }

    else

        {

        errorStatus =  errVal;

        }

    if(rep)

        {

        delete rep;

        }

    if(errorStatus != KErrNone )

        {

        User::Leave(errorStatus);

        }

    }

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

// ParseValueL 

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

void CPnpProvUtil::ParseValueL(TDesC& aValue, RPointerArray<HBufC>& array )

    {

    // Parse buffer with comma as delimiter and return list of items	

    TLex aLex(aValue);

    while(aLex.Peek() != '\x00')

        {

        aLex.Mark();

        while(aLex.Peek()!=',' && aLex.Peek()!='\x00')

            aLex.Inc();

        TPtrC aPtr = aLex.MarkedToken(); 

        HBufC *buf18 = aPtr.AllocL();

        if(aLex.Peek()=='\x00') // end of string

            break; 

        aLex.Inc();

        }

    }

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

// ConstructCmdLineStringL

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

void CPnpProvUtil::ConstructCmdLineStringL(TDesC& aUri,TConnectReason aConnectReason, TStartMode aMode, TBool aTokenOverride, TDesC& aQueryString, TDes& aPnPUtilUri)

    {

    TInt tokennum;

    TBuf<KBufferMaxLength> cmdLineString;

    cmdLineString.Zero();

    cmdLineString.Append( KServerParam );

    cmdLineString.Append( KQuote );

    cmdLineString.Append( KServerPrefix );

    cmdLineString.Append( KQuote );

    cmdLineString.Append( KSpace );

    cmdLineString.Append( KPageParam );

    cmdLineString.Append( KQuote );

    cmdLineString.Append( KPageString );

    cmdLineString.Append( KQuote );

    cmdLineString.Append( KSpace );

    cmdLineString.Append( KReasonParam );

    cmdLineString.AppendNum( aConnectReason );

    // Non interactive mode of settings download is not supported at server side and only interactive mode is supported

    if(aMode == EStartInteractive)

        {

        cmdLineString.Append( KSpace );

        cmdLineString.Append( KAutoStartParam );

        cmdLineString.AppendNum( 0 );

        }

    else

        {

        //Silent mode is not supported by PnPMS server

        User::Leave(KErrNotSupported);

        }

    cmdLineString.Append( KSpace );

    cmdLineString.Append( KTokenOverrideParam );

    if(aTokenOverride == EFalse)

        tokennum = 0;

    else

        tokennum = 1;

    cmdLineString.AppendNum( tokennum );

    //Help Query parameter is not supported by Server so default "query" string will be set

    cmdLineString.Append( KSpace );

    cmdLineString.Append( KQueryParam );

    cmdLineString.Append( KQuote );

    cmdLineString.Append( KHelpquery );

    cmdLineString.Append( KQuote );

    aPnPUtilUri.Copy(cmdLineString);

    }