#include <eikenv.h>          // Eikon environment

#include <bautils.h>         // BAFL utils (for language file)

#include <utf.h>             // Unicode character conversion utilities

#include <StringLoader.h>    // Localisation stringloader

#include <AknQueryDialog.h> 

#include <aknnotewrappers.h>

#include <usbuinotif.rsg>                   // Own resources

#include <secondarydisplay/usbuinotifsecondarydisplay.h>     // Dialog index for cover UI

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

// CUSBUIQueriesNotifier::StartL

// Synchronic notifier launch. 

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

//

TPtrC8 CUSBUIQueriesNotifier::StartL(const TDesC8& aBuffer)

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::StartL()"));

    TUSBQueriesNotiferParams params; //stores parameters from aBuffef

    TPckgC<TUSBQueriesNotiferParams> pckg( params );

    pckg.Set( aBuffer );

    // Save the type of the query for later use (dialog selection)

    //

    if (pckg().iQuery == EUSBNoMemoryCard)

        {

        TRAPD( err, GetParamsL( aBuffer, 0, iMessage ));

        if (err)

            {

            iNeedToCompleteMessage = EFalse;

            User::Leave( err );

            }

        }

    TPtrC8 ret( KNullDesC8 );

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::StartL() completed"));

    return (ret);

    }

//  Jump to RunL as soon as possible.

void CUSBUIQueriesNotifier::GetParamsL(const TDesC8& aBuffer,

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::GetParamsL"));

    if (iUSBQueryDlg || iReplySlot != 0 || iNeedToCompleteMessage)

    if (iQueryType == EUSBNoMemoryCard)

        iNeedToCompleteMessage = EFalse;

    // Call SetActive() so RunL() will be called by the active scheduler

    //

    SetActive();

    iStatus = KRequestPending;

    TRequestStatus* stat = &iStatus;

    User::RequestComplete( stat, KErrNone );

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::GetParamsL() completed"));

    }

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

// CUSBUIQueriesNotifier::RunL

// Ask user response and return it to caller.

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

//

void CUSBUIQueriesNotifier::RunL()

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::RunL"));

    TBool isCancelKey = EFalse;

    TBool isErrorQuery = EFalse;

    TInt returnValue = KErrNone;

    // for cover display support

    TInt coverDialogId = EUSBCoverInvalidDialogId;

    // Choose text and other query attributes

    //

    HBufC* stringHolder = GetQueryAttributesLC( coverDialogId, isCancelKey, isErrorQuery );

    //check if query text string loading was successful

    if (NULL != stringHolder)

        DisableKeylock();

        SuppressAppSwitching( ETrue );

        returnValue = QueryUserResponseL( *stringHolder, coverDialogId,

                isCancelKey, isErrorQuery );

        SuppressAppSwitching( EFalse );

        RestoreKeylock();

        CleanupStack::PopAndDestroy( stringHolder );

    else

        {

        returnValue = KErrUnknown;

        }

    CompleteMessage( returnValue );

    // cancelling the notifier so that next one on the queue can be displayed.

    // it may be that the client calls cancel too, but it is ok

    iManager->CancelNotifier( iInfo.iUid );

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::RunL() completed"));

    CompleteMessage( KErrCancel );

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

// CUSBUIQueriesNotifier::QueryUserResponseL

// Show query dialog. 

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

//

TInt CUSBUIQueriesNotifier::QueryUserResponseL(const TDesC& aStringHolder,

        TInt aCoverDialogId, TBool aIsCancelKey, TBool aIsErrorQuery)

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::QueryUserResponseL"));

    TInt returnValue = KErrNone;

    iUSBQueryDlg = CAknQueryDialog::NewL( CAknQueryDialog::EConfirmationTone );

    // Show dialog with or without the Cancel

    //

    if (aIsErrorQuery) 

        {

        // aIsErrorQuery flag is set in GetQueryAttributesLC()

        // there is no defined QueryDialogError in resources so QueryOTGerror is used (contains Stop icon)

        iUSBQueryDlg->PrepareLC( R_USB_QUERY_OTG_ERROR );

        }

    else if (aIsCancelKey)

        {

        iUSBQueryDlg->PrepareLC( R_USB_QUERY_WITH_CANCEL );

        }

    else

        {

        iUSBQueryDlg->PrepareLC( R_USB_QUERY_WITHOUT_CANCEL );

        }

    if (iCoverDisplaySupported)

        {

        iUSBQueryDlg->PublishDialogL( aCoverDialogId, KUSBUINotifCategory );

        }

    iUSBQueryDlg->SetPromptL( aStringHolder );

    iUSBQueryDlg->SetFocus( ETrue );

        FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::QueryUserResponseL calling RunLD"));

    TInt keypress = iUSBQueryDlg->RunLD();

    iUSBQueryDlg = NULL;

    if (keypress) // User has accepted the dialog

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::QueryUserResponseL keypress"));

        }

    else

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::QueryUserResponseL NO keypress"));

        FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::QueryUserResponseL completed"));

    return returnValue;

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

// CUSBUIQueriesNotifier::GetQueryAttributesLC

// Get query text and the other attributes for the query dialog. 

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

//

HBufC* CUSBUIQueriesNotifier::GetQueryAttributesLC(TInt& aCoverDialogId,

        TBool& aIsCancelKey, TBool& aIsErrorQuery)

    {

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::GetQueryAttributesLC"));

    HBufC* stringHolder = NULL; // The text for the query

    aIsCancelKey = EFalse;

    aIsErrorQuery = EFalse;

    switch (iQueryType)

        {

        case EUSBStorageMediaFailure:

            {

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::EUSBStorageMediaFailure"));

            stringHolder = StringLoader::LoadLC( R_USB_STORAGE_MEDIA_FAILURE );

            aCoverDialogId = EUSBCoverStorageMediaFailure;

            break;

            }

        case EUSBChangeFromMassStorage:

            {

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::EUSBChangeFromMassStorage"));

            stringHolder = StringLoader::LoadLC( R_USB_CHANGE_FROM_MASS_STORAGE );

            aIsCancelKey = ETrue;

            aCoverDialogId = EUSBCoverChangeFromMassStorage;

            break;

            }

        case EUSBNoMemoryCard:

            {

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::EUSBNoMemoryCard"));

            stringHolder = StringLoader::LoadLC( R_USB_NO_MEMORY_CARD );

            aCoverDialogId = EUSBCoverNoMemoryCard;

            break;

            } 

        case EUSBNotEnoughRam:

          	{

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::EUSBNotEnoughRam"));

            stringHolder = StringLoader::LoadLC( R_USB_ERROR_MEMORY_NOT_ENOUGH );

            aCoverDialogId = EUSBCoverNoMemoryCard;

            //set flag to change the icon of querydialog (see QueryUserResponseL())

            aIsErrorQuery = ETrue;

            break;

            }

        case EUSBDiskFull:

          	{

            FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::EUSBDiskFull"));

            stringHolder = StringLoader::LoadLC( R_USB_ERROR_DISK_FULL );

            aCoverDialogId = EUSBCoverNoMemoryCard;

            //set flag to change the icon of querydialog (see QueryUserResponseL())

            aIsErrorQuery = ETrue;

            break;

            }

        default:

            {

            FTRACE( FPrint( _L( "[USBUINOTIF]\t CUSBUIQueriesNotifier::ERROR! Unknown query type: %d" ),

                            iQueryType ) );

            }

        }

    FLOG(_L("[USBUINOTIF]\t CUSBUIQueriesNotifier::GetQueryAttributesLC completed"));

    return stringHolder;

    }