/*

* Copyright (c) 2006-2008 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:  

*

*/

// INCLUDE FILES

#include <CPbkViewState.h>

#include <PbkUID.h>

#include <StringLoader.h>

#include <vasmbasepbkhandler.h>

#include <vuivoicerecognition.rsg>

#include "vuivoicerecognition.hrh"

#include "vuicstate.h"

#include "vuiccontactresultsstate.h"

#include "vuicplaystate.h"

#include "vuicabortstate.h"

#include "vuicerrorstate.h"

#include "vuicexitstate.h"

#include "vuicdatastorage.h"

#include "vuicvoicerecogdialogimpl.h"

#include "vuicnbestlistdialog.h"

#include "vuicttsplayer.h"

#include "vuivoiceicondefs.h"

#include "rubydebug.h"

// Constants

_LIT( KTab, "\t" );

_LIT( KStringPosition, "%U" );

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

// CContactResultsState::NewL

// Two-phased constructor.

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

//

CContactResultsState* CContactResultsState::NewL( CDataStorage& aDataStorage, CUiModel& aUiModel )

    {

    CContactResultsState* self = new (ELeave) CContactResultsState( aDataStorage, aUiModel );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }       

// Destructor       

CContactResultsState::~CContactResultsState()

    {

    RUBY_DEBUG0( "CContactResultsState::~CContactResultsState START" );

    DataStorage().TtsPlayer()->Stop();

    delete iNBestListDialog;

    delete iTagList; // Only copies of pointers, do not reset and destroy

    DataStorage().SetAdditionalTagList( NULL ); // Reset for next time

    delete iNssVasDbManager;

    iNssTagManager = NULL;

    RUBY_DEBUG0( "CContactResultsState::~CContactResultsState EXIT" );

    }

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

// CContactResultsState::HandleEventL

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

//       

void CContactResultsState::HandleEventL( TInt aEvent )

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::HandleEventL" );

    CState* nextState = NULL;

    switch( aEvent )

        {

        case KErrNone:

            if ( iInternalState == ENotStarted )

                {

                nextState = this;

                }

            else if ( iInternalState == EStarted )

                {

                iInternalState = EInitialized;

                nextState = this;

                }

            else if ( iInternalState == EInitialized )

                {

                iInternalState = ECompleted;

                nextState = this;

                }

            break;

        case EVoiceTagSoftKeySelect:

            nextState = CPlayState::NewL( DataStorage(), UiModel() );

            break;

        case EAknSoftkeyQuit:

        case EAknSoftkeyNo:

        case EVoiceTagSoftKeyQuit:

        case EEndCallKeypress:

        case ELongKeypress:

            nextState = CAbortState::NewL( DataStorage(), UiModel() );

            break;

        case EShortKeypress:

        case EUpKeypress:

        case EDownKeypress:

        case ESelectKeypress:

        case EDirectSelectKeypress:

        case EDragKeypress:

        case EScrollKeypress:

            iKeypress = aEvent;

            nextState = this;

            break;

        default:

            nextState = CErrorState::NewL( DataStorage(), UiModel(), aEvent );

            break;

        }

    DataStorage().VoiceRecognitionImpl()->ChangeState( nextState );

    }

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

// CContactResultsState::ExecuteL

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

//       

void CContactResultsState::ExecuteL()

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::ExecuteL" );

    if ( HandleKeypressL() )

        {

        iKeypress = ENoKeypress;

        }

    else if ( iInternalState == EInitialized )

        {

        // If automatic confirmation or device lock is on then start the timer

        if ( DataStorage().VerificationMode() == EAutomatic ||

             DataStorage().DeviceLockMode() )

            {

            TInt timeoutValue = DataStorage().PlayDuration().Int64();

            if ( timeoutValue < KTimeoutMicroseconds )

                {

                timeoutValue = KTimeoutMicroseconds;

                }

            StartTimerL( *this, timeoutValue, timeoutValue );

            }

        }

    else if ( iInternalState == ECompleted )

        {

        DataStorage().TtsPlayer()->Stop();

        }

    else

        {

        if ( !DataStorage().AdditionalTagList() )

            {

            if ( iNssTagManager->GetTagList( DataStorage().VoiceRecognitionImpl(),

                                             DataStorage().Tag()->Context(),

                                             DataStorage().Tag()->RRD()->IntArray()->At( KVasContactIdRrdLocation ),

                                             KVasContactIdRrdLocation ) != KErrNone )

                {

                HandleEventL( KErrGeneral );

                }

            }

        else

            {

            iInternalState = EStarted;

            TInt returnValue = KErrNoResults;

            // Get the name for the n-best list title

            HBufC* name = DataStorage().Tag()->SpeechItem()->PartialTextL( KNameTrainingIndex );

            CleanupStack::PushL( name );

            CreateContactInfoArrayL();

            if ( iTagList->Count() != KErrNone )

                {

                iNBestListDialog = CNBestListDialog::NewL();

                iNBestListDialog->CreateNBestListPopupLC( CreateItemsArrayL(), *name );

                PlaySelectedNameL();

                BringToForeground();

                iNBestListDialog->RegisterForKeyCallback( DataStorage().VoiceRecognitionImpl() );            

                returnValue = iNBestListDialog->ShowNBestListPopupL(); // Pops things pushed in CreateNBestListPopupLC

                }

            CleanupStack::PopAndDestroy( name );

            if ( returnValue != KErrNone )

                {

                iInternalState = ECompleted;

                SelectTag();

                HandleEventL( returnValue );

                }

            }

        }

    }

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

// CContactResultsState::CContactResultsState

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

//              

CContactResultsState::CContactResultsState( CDataStorage& aDataStorage, CUiModel& aUiModel )

 : CState( aDataStorage, aUiModel ), iKeypress( ENoKeypress ),

   iInternalState( ENotStarted )

    {

    }

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

// CContactResultsState::ConstructL

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

//           

void CContactResultsState::ConstructL()

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::ConstructL" );

    CState::ConstructL();

    iNssVasDbManager = CNssVASDBMgr::NewL();

    iNssVasDbManager->InitializeL();

    iNssTagManager = iNssVasDbManager->GetTagMgr();

    DataStorage().SetVerificationMode();

    }

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

// CContactResultsState::DoTimedEventL

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

//

void CContactResultsState::DoTimedEventL()

   {   

   SelectTag();

   HandleEventL( EVoiceTagSoftKeySelect );

   }

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

// CContactResultsState::HandleKeypressL

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

//           

TBool CContactResultsState::HandleKeypressL()

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::HandleKeypressL" );

    TBool handled = ETrue;

    if ( iKeypress == EShortKeypress )

        {       

        if ( iNBestListDialog->HandleShortKeypressL( NULL ) )

            {

            iInternalState = EStarted;

            PlaySelectedNameL();

            }

        else

            {

            HandleEventL( KErrNoResults );

            }

        }

    else if ( iKeypress == EUpKeypress || iKeypress == EDownKeypress ||

              iKeypress == EDragKeypress )

        {

        iInternalState = EStarted;

        PlaySelectedNameL();

        }

    else if ( iKeypress == EScrollKeypress )

        {

        StopTimer();

        }

    else if ( iKeypress == ESelectKeypress || iKeypress == EDirectSelectKeypress )

        {        

        if ( !DataStorage().Tag() )

            {

            SelectTag();

            HandleEventL( EVoiceTagSoftKeySelect );

            }

        }

    else

        {

        handled = EFalse;

        }

    return handled;

    }

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

// CContactResultsState::PlaySelectedNameL

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

//

void CContactResultsState::PlaySelectedNameL()

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::PlaySelectedNameL" );

    // if TTS is used

    if ( ( DataStorage().SynthesizerMode() != KErrNone ||

         DataStorage().DeviceLockMode() ) &&

         iTagList->Count() > 0 )

        {

        TInt index = iNBestListDialog->SelectedIndex();        

        MNssTag* tag = iTagList->At( index );

        if ( tag->Context()->ContextName() == KVoiceDialContext &&

             tag->RRD()->IntArray()->At( KVasExtensionRrdLocation ) == EDial )

            {

            HBufC* ttsText = StringLoader::LoadLC( R_QAN_VC_TTS_DIALLING );

            TInt position = ttsText->FindC( KStringPosition );

            User::LeaveIfError( position );            

            CleanupStack::PopAndDestroy( ttsText );

            ttsText = StringLoader::LoadLC( R_QAN_VC_TTS_DIALLING,

                                            tag->SpeechItem()->Text() );

            HBufC* text = tag->SpeechItem()->PartialTextL( KNameTrainingIndex );        

            CleanupStack::PushL( text ); 

            DataStorage().TtsPlayer()->PlayL( *ttsText, position,

                                              tag->SpeechItem()->Text().Length() , *text );

            CleanupStack::PopAndDestroy( text );

            CleanupStack::PopAndDestroy( ttsText );

            }

        else if ( tag->Context()->ContextName() == KVoiceDialContext )

            {           

            HBufC* text = tag->SpeechItem()->PartialTextL( KNameTrainingIndex );        

            CleanupStack::PushL( text ); 

            DataStorage().TtsPlayer()->PlayL( tag->SpeechItem()->Text(), 0,

                                              tag->SpeechItem()->Text().Length(), *text );

            CleanupStack::PopAndDestroy( text );

            }

        }

    else

        {

        DataStorage().SetPlayDuration( KTimeoutMicroseconds );

        HandleEventL( KErrNone );

        }

    }

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

// CContactResultsState::CreateContactInfoArrayL

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

//

void CContactResultsState::CreateContactInfoArrayL()

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::CreateContactInfoArrayL" );

    CArrayPtrFlat<MNssTag>* completeTagList = DataStorage().CompleteTagList();

    CArrayPtrFlat<MNssTag>* additionalTags = DataStorage().AdditionalTagList();

    iTagList = new ( ELeave ) CArrayPtrFlat<MNssTag>( KSindMaxResults );

    iTagList->AppendL( DataStorage().Tag() );

    // Add all commands from selected contact to taglist

    for ( TInt i = 0; i < completeTagList->Count(); ++i )

        {

        MNssTag* tag = completeTagList->At( i );

        if ( tag->Context()->ContextName() == KVoiceDialContext &&

             ( !DataStorage().DeviceLockMode() || tag->RRD()->IntArray()->At( KVasExtensionRrdLocation ) == EDial ) &&

             tag->RRD()->IntArray()->At( KVasContactIdRrdLocation ) ==

             DataStorage().Tag()->RRD()->IntArray()->At( KVasContactIdRrdLocation ) &&

             CompareContactNamesL( tag ) )

            {

            // Add tag to list

            iTagList->AppendL( tag );

            }

        }

    // Add all additional commands from selected contact to taglist if not added already    

    for ( TInt i = 0; i < additionalTags->Count(); ++i )

        {

        MNssTag* tag = additionalTags->At( i );

        if ( !CheckIfAlreadyAdded( tag ) && CompareContactNamesL( tag ) &&

             ( !DataStorage().DeviceLockMode() || tag->RRD()->IntArray()->At( KVasExtensionRrdLocation ) == EDial ) )

            {

            // Add tag to list

            iTagList->AppendL( tag );

            }

        }

    // Add selected tag back to tag list

    completeTagList->AppendL( DataStorage().Tag() );

    // Clear selected tag    

    DataStorage().SetTag( NULL, EFalse );

    }

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

// CContactResultsState::CompareContactNamesL

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

//     

TBool CContactResultsState::CompareContactNamesL( MNssTag* aTag )

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::CompareContactNamesL" );

    TBool returnValue = EFalse;

    HBufC* firstName = DataStorage().Tag()->SpeechItem()->PartialTextL( KNameTrainingIndex );

    CleanupStack::PushL( firstName );

    HBufC* secondName = aTag->SpeechItem()->PartialTextL( KNameTrainingIndex );

    CleanupStack::PushL( secondName );

    returnValue = ( *firstName == *secondName );

    CleanupStack::PopAndDestroy( secondName );

    CleanupStack::PopAndDestroy( firstName );

    return returnValue;

    }

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

// CContactResultsState::CheckIfAlreadyAdded

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

//    

TBool CContactResultsState::CheckIfAlreadyAdded( MNssTag* aTag )

    {

    RUBY_DEBUG0( "CContactResultsState::CheckIfAlreadyAdded START" );

    TBool returnValue = EFalse;

    for ( TInt i = 0; i < iTagList->Count(); ++i )

        {

        if ( aTag->SpeechItem()->RawText() ==

             iTagList->At( i )->SpeechItem()->RawText() ||

             aTag->SpeechItem()->RawText() ==

             DataStorage().Tag()->SpeechItem()->RawText() )

            {

            returnValue = ETrue;

            break;

            }

        }

    RUBY_DEBUG0( "CContactResultsState::CheckIfAlreadyAdded EXIT" );

    return returnValue;

    }

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

// CContactResultsState::CreateItemsArrayLC

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

//    

CDesC16ArrayFlat* CContactResultsState::CreateItemsArrayL()

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::CreateItemsArrayL" );

    TInt count = iTagList->Count();

    CDesC16ArrayFlat* items = new ( ELeave ) CDesC16ArrayFlat( KSindMaxResults );

    CleanupStack::PushL( items );

    TFullName buffer;

    for ( TInt i = 0; i < count; ++i )

        {

        MNssTag* tag = iTagList->At( i );        

        FillDialContextBufferL( tag, buffer );

        items->AppendL( buffer );

        }

    CleanupStack::Pop( items );

    return items;

    }

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

// CContactResultsState::FillDialContextBufferL

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

//

void CContactResultsState::FillDialContextBufferL( MNssTag* aTag, TDes& aBuffer )

    {

    RUBY_DEBUG_BLOCK( "CContactResultsState::FillDialContextBufferL" );

    TPtrC type = KNullDesC();

    DataStorage().PbkHandler()->FindContactFieldL( aTag );

    TBufC<KMaxFieldLength> phoneNumber = DataStorage().PbkHandler()->TextL();

    type.Set( GetContactIconType( DataStorage().PbkHandler()->FieldTypeL() ) );

    aBuffer.Zero();

    aBuffer.Append( type );

    aBuffer.Append( KTab );

    HBufC* label = NULL;

    TRAPD( error, label = aTag->SpeechItem()->PartialTextL( KExtensionTrainingIndex ) );

    if ( error == KErrNone || error == KErrNotFound )

        {

        // If there is no extension then the phonebook label is shown