/*

* Copyright (c) 2002-2004 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 the TAknFepUiInputStateEntryLatinJapanese methods.

*

*/

// INCLUDE FILES

#include "AknFepUiInputStateEntryLatinJapanese.h"

#include "AknFepUIManagerStateInterface.h"   // MAknFepUIManagerStateInterface

#include "AknFepManagerUIInterface.h"        // MAknFepManagerUIInterface

#include "AknFepCaseManager.h"               // CAknFepCaseManager

#include "AknFepManager.h"

#include "AknFepGlobalEnums.h"

#include <PtiEngine.h>

#include <PtiCompositionDataIF.h>        // MPtiEngineCompositionDataInterface

// CONSTANTS

/**

 *  TAknFepUiInputStateEntryLatinJapanese class.

 *

 */

//============================ MEMBER FUNCTIONS ==============================

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

// TAknFepUiInputStateEntryLatinJapanese::

//                                  TAknFepUiInputStateEntryLatinJapanese

// Default constructor

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

//

TAknFepUiInputStateEntryLatinJapanese::TAknFepUiInputStateEntryLatinJapanese(

                                MAknFepUIManagerStateInterface* aOwner,

                                MAknFepUICtrlContainerJapanese* aUIContainer)

    :TAknFepUiInputStateEntryJapaneseMultitap(aOwner, aUIContainer)

    {

    }

/**

 * MPtiObserver interface.

 */

//============================ MEMBER FUNCTIONS ==============================

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

// TAknFepUiInputStateEntryLatinJapanese::KeyTimerExpired

// Call this function when Multitap timer of PtiEngine was time-out

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

//

void TAknFepUiInputStateEntryLatinJapanese::KeyTimerExpired()

    {

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    const MPtiEngineCompositionDataInterface* data = ptiEngine->CompositionData();

    TPtrC text = data->CompletedString();

    if (text.Length() > 0)

        {

        MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

        if (fepMan->IsSupportsSecretText()

         && fepMan->IsFlagSet(CAknFepManager::EFlagInsideMultitapInlineEditingTransaction))

            {

            TRAP_IGNORE(fepMan->CommitInlineEditL());

            // Update case without Qwerty

            if (!iOwner->IsQwerty())

                {

                UpdateCase(text);

                }

            }

        else

            {

            iOwner->ChangeState(EMultiCompletion);

            // Update case without Qwerty

            if (!iOwner->IsQwerty())

                {

                UpdateCase(text);

                }

            // Commit a character

            TRAP_IGNORE(iOwner->FepMan()->CommitInlineEditL(text, text.Length()));

            // Update case with Qwerty

            if (iOwner->IsQwerty())

                {

                CAknFepCaseManager* caseMan = iOwner->CaseMan();

                caseMan->UpdateCase(ENullNaviEvent);

                }

            }

        }

    iData = 0;

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    ptiengine->ClearCurrentWord();

    iOwner->ChangeState(EInitial);

   }

/**

*  TAknFepUiInputStateEntryLatinJapanese class.

*

*/

//============================ MEMBER FUNCTIONS ==============================

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

// TAknFepUiInputStateEntryLatinJapanese::HandleNumericShortKeyL

// Handling short keypress events of the numeric and the star.

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

//

TBool TAknFepUiInputStateEntryLatinJapanese::HandleNumericShortKeyL(TInt aKey)

    {

    CPtiEngine* ptiEngine = iOwner->PtiEngine();

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    TBool ret = EFalse;

    if (iData && iData != aKey)

        {

        if (!iOwner->IsQwerty()

         && iOwner->FepMan()->IsSupportsSecretText()

         && fepMan->IsFlagSet(CAknFepManager::EFlagInsideMultitapInlineEditingTransaction))

            {

            const MPtiEngineCompositionDataInterface* data = ptiEngine->CompositionData();

            TPtrC text = data->ConvertingString();

            if (text.Length() > 0)

                {

                fepMan->CommitInlineEditL();

                if (!iOwner->IsQwerty())

                    {

                    UpdateCase(text);

                    }

                }

            ptiEngine->ClearCurrentWord();

            iOwner->ChangeState(EInitial);

            iData = 0;

            ret = EFalse;

            }

        else

            {

            ptiEngine->HandleCommandL(EPtiCommandUserActionComplete);

            iOwner->ChangeState(EMultiCompletion);

            }

        }

    else

        {

        iData = aKey;

        const MPtiEngineCompositionDataInterface* previousData = ptiEngine->CompositionData();

        TChar previousChar = 0;

        TPtrC previousText(previousData->ConvertingString());

        if (previousText.Length() > 0)

            {

            previousChar = previousText[0];

            }

        // Append a key to PtiEngine

        ptiEngine->AppendKeyPress((TPtiKey)aKey);

        const MPtiEngineCompositionDataInterface* data = ptiEngine->CompositionData();

        TPtrC text(data->ConvertingString());

        if (text.Length() > 0)

            {

            TChar ch = text[0];

            TBool validNewCandidate = fepMan->CharIsValidInEditor(ch);

            // Check if the character is valid for the editor.

            if ( !validNewCandidate )

                {

                TChar firstNewCandidate = ch;

                TBool goneThroughAllCandidates(EFalse);

                TPtrC8 sequence = ptiEngine->CurrentInputSequence();

                if ( sequence.Length() )

                    {

                    TPtiKey key = (TPtiKey)sequence[0];

                    // Go through candidates and check if valid characters are found.

                    do  {

                        TPtrC text = ptiEngine->AppendKeyPress(key);

                        ch = text[0];

                        goneThroughAllCandidates = (ch == firstNewCandidate);

                        validNewCandidate = fepMan->CharIsValidInEditor(ch);

                        }

                    while (!validNewCandidate && !goneThroughAllCandidates);

                    }

                if (!validNewCandidate)

                    {

                    // No valid characters at all.

                    ptiEngine->DeleteKeyPress();

                    iOwner->ChangeState(EMultiCompletion);

                    ptiEngine->HandleCommandL(EPtiCommandUserActionComplete);

                    iOwner->FepMan()->CommitInlineEditL();

                    ptiEngine->ClearCurrentWord();

                    iOwner->ChangeState(EInitial);

                    return ETrue;

                    }

                else if (ch == previousChar)

                    {

                    // The valid key loop count is 1.

                    // The current characters are committed, and send the same key again.

                    iOwner->ChangeState(EMultiCompletion);

                    ptiEngine->HandleCommandL(EPtiCommandUserActionComplete);

                    iOwner->FepMan()->CommitInlineEditL();

                    ptiEngine->ClearCurrentWord();

                    iOwner->ChangeState(EInitial);

                    iOwner->FepMan()->SimulateKeyEventL(aKey, ETrue);

                    return ETrue;

                    }

                }

            }

        ret = UpdateInlineEditingCharacterL();

        // Qwerty input without Secret input mode is continuing to Comleteion.

        if (ret && iOwner->IsQwerty())

            {

            if (iOwner->FepMan()->IsSupportsSecretText()

             || iOwner->FepMan()->IsFlagSet(CAknFepManager::EFlagPassNextKey))

                {

                iOwner->ChangeState(EMultiCompletion);

                ptiEngine->HandleCommandL(EPtiCommandUserActionComplete);

                iOwner->FepMan()->CommitInlineEditL();

                ptiEngine->ClearCurrentWord();

                iOwner->ChangeState(EInitial);

                ret = ETrue;

                }

            else

                {

                // Qwerty need to change status

                ptiEngine->HandleCommandL(EPtiCommandUserActionComplete);

                iOwner->ChangeState(EMultiCompletion);

                ret = EFalse;

                }

            }

        }

    return ret;

    }

// End of file