/*

* Copyright (c) 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 the  TAknFepInputStateEntryHalfQwerty definition.

 *

*/

#ifndef T_AKNFEPINPUTSTATEENTRYHALFQWERTYPINYINPHRASE_H

#define T_AKNFEPINPUTSTATEENTRYHALFQWERTYPINYINPHRASE_H

#include "AknFepUiInputStateEntryQwertyBaseChinesePhrase.h"

#include "aknfepuiinputstateminiqwertystrokephrase.h"

#include "AknFepUiInputStateEntryZhuyinPhrase.h"

#include "AknFepUiInputStateChineseBase.h"

// the entry of the pinyin inputmethod 

class TAknFepInputStateEntryHalfQwertyPinyinPhrase :

public TAknFepInputStateEntryQwertyBaseChinesePhrase

    {

public:

    /**

     * C++ default constructor

     *

     * @since S60 v3.2.3

     * @param aOwner Pointer to UI manager state interface

     * @param aUIContainer Pointer to Chinese UI container

     */

    TAknFepInputStateEntryHalfQwertyPinyinPhrase(

        MAknFepUIManagerStateInterface* aOwner,

        MAknFepUICtrlContainerChinese* aUIContainer );

    /**

     * Handle system key press event

     *

     * @since S60 v3.2.3

     * @param aKey System key

     * @param aLength Key press length

     * @return ETrue if handle, otherwise this class do not handle this key

     */

    TBool HandleKeyL( TInt aKey, TKeyPressLength aLength );

private:

    /**

     * update the selection 

     *

     * @since S60 v3.2.3

     */

    void DeliberatelyUpdateSelection( );

    /**

     * update the selection  

     *

     * @since S60 v3.2.3

     */

    void ImplicitlyUpdateSelection( );

    /**

     * clear the deliberate selection

     *

     * @since S60 v3.2.3

     */

    void ClearDeliberateSelection( );

    /**

     * refresh the ui 

     *

     * @since S60 v3.2.3

     */

    void RefreshUI( TInt aSelection );

    /**

     * change the cba 

     *

     * @since S60 v3.2.3

     */

    void InitializeStateL( );

    /**

     * update the indicator  

     *

     * @since S60 v3.2.3

     */

    void UpdateIndicator( );

    /**

     * to check whether the key stroke is a character key or not 

     *

     * @since S60 v3.2.3

     * @param aKey System key

     * @return ETrue if it is a character key , otherwise not

     */

    TBool IsCharacterKey( const TInt aKey );

    };

// the entry state of the stroke inputmethod  

class TAknFepInputStateEntryHalfQwertyStrokePhrase :

public TAknFepInputStateEntryQwertyBaseChinesePhrase

    {

public:

    /**

     * C++ default constructor

     *

     * @since S60 v3.2.3

     * @param aOwner Pointer to UI manager state interface

     * @param aUIContainer Pointer to Chinese UI container

     */

    TAknFepInputStateEntryHalfQwertyStrokePhrase(

        MAknFepUIManagerStateInterface* aOwner,

        MAknFepUICtrlContainerChinese* aUIContainer );

    /**

     * Handle system key press event

     *

     * @since S60 v3.2.3

     * @param aKey System key

     * @param aLength Key press length

     * @return ETrue if handle, otherwise this class do not handle this key

     */

    TBool HandleKeyL( TInt aKey, TKeyPressLength aLength );

private:

    /**

     * change the cba 

     *

     * @since S60 v3.2.3

     */

    void InitializeStateL( );

    /**

     * to check whether the key stroke is a character key or not 

     *

     * @since S60 v3.2.3

     * @param aKey System key

     * @return ETrue if it is a character key , otherwise not

     */

    TBool IsCharacterKey( const TInt aKey );

    /**

     * update the indicator  

     *

     * @since S60 v3.2.3

     */

    void UpdateIndicator( );

    };

// the zhuyin inputmethod entry state 

class TAknFepInputStateEntryHalfQwertyZhuyinPhrase :

public TAknFepInputStateEntryQwertyBaseChinesePhrase

    {

public:

    /**

     * C++ default constructor

     *

     * @since S60 v3.2.3

     * @param aOwner Pointer to UI manager state interface

     * @param aUIContainer Pointer to Chinese UI container

     */

    TAknFepInputStateEntryHalfQwertyZhuyinPhrase(

        MAknFepUIManagerStateInterface* aOwner,

        MAknFepUICtrlContainerChinese* aUIContainer );

    /**

     * Handle system key press event

     *

     * @since S60 v3.2.3

     * @param aKey System key

     * @param aLength Key press length

     * @return ETrue if handle, otherwise this class do not handle this key

     */

    TBool HandleKeyL( TInt aKey, TKeyPressLength aLength );

public:

    // Functions from MPtiObserver interface

    void KeyTimerExpired( );

private:

    /**

     * update the indicator  

     *

     * @since S60 v3.2.3

     */

    void UpdateIndicator( );

    };

#endif T_AKNFEPINPUTSTATEENTRYHALFQWERTYPINYINPHRASE_H

//end of the file