/*

* Copyright (c) 2002 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: 

*     Header file for Setting page implementations for Date, Time, duration 

*       and IP addresses 

*

*/

#ifndef __AKNMFNESETTINGPAGE_H__

#define __AKNMFNESETTINGPAGE_H__ 

#include <eikdef.h>

#include <eikbtgpc.h>

#include <eikmfne.h>

#include <aknipfed.h>

#include <in_sock.h>

#include <aknsettingpage.h>

// FORWARD DECLARATIONS

class CAknButton;

/** 

 *

 * This class is used as the base for the date, time, duration and Ip editor

 * setting page types.  It performs all the layout.

 *

 */

class CAknMfneSettingPage : public CAknSettingPage

{

public: 

    /**

     * From CCoeControl.     

     * Handles pointer events

     */

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

    /**

    * Destructor.

    */

    IMPORT_C virtual ~CAknMfneSettingPage();

protected:

    /**

     * Constructor using purely Setting page resource

     *

     * @param   aResourceId     Setting page resource Id

     */

    IMPORT_C CAknMfneSettingPage(TInt ResourceId );

     /**

     * Constructor that allows separate setting page and editor resources

     * 

     * @param aSettingTitleText Text at top of setting pane ; Externally owned

     * @param aSettingNumber        Number at top left (if present)

     * @param aControlType          Determines the type constructed and how its

     *                              resource is read

     * @param aEditorResourceId Editor resource to use in the setting page 

     *                          (if present)

     */

    IMPORT_C CAknMfneSettingPage(   const TDesC* aSettingTitleText, 

                                TInt aSettingNumber, 

                                TInt aControlType,

                                TInt aEditorResourceId, 

                                TInt aSettingPageResourceId );

    /**

    *

    * Framework method called when the control needs to be re-laid out

    *

    */

    IMPORT_C virtual void SizeChanged();

    /** 

    * Draws the control. Framework method

    */

    IMPORT_C void Draw(const TRect& aRect) const;

    /**

    * Type-specific access to control

    */

    IMPORT_C CEikMfne* Mfne() const;

    /**

    * Implementation of of validity framework method for mfnes.

    * Checks if the current focused field in the mfne is valid and sets the 

    * setting page validity accordingly.

    * 

    * This method is called in order for the softkeys to be updated

    */

    IMPORT_C void CheckAndSetDataValidity();

    /**

    * From MCoeControlObserver:

    * Acts upon changes in the hosted control's state. 

    * 

    * This observer method performs

    *  - Updates the value if EUpdateWhenChanged is the setting page's update

    *    mode

    *  - updates CBA labels depending on the data validity

    *

    * @param    aControl    The control changing its state (not used)

    * @param    aEventType  The type of control event 

    */

    IMPORT_C virtual void HandleControlEventL(CCoeControl* aControl,

                                            TCoeEvent aEventType);

    /**

    *

    * 2nd stage construction. This creates the editing buttons in 

    * touch enabled builds.

    *

    */

    IMPORT_C virtual void ConstructL();

    /**

     * Standard CCoeControl routine to return the number of componentn controls

     *

     * @param	aIndex	index at which to return control

     */

    IMPORT_C TInt CountComponentControls() const;

    /**

     * Standard CCoeControl routine to return the control at a given index

     *

     * @param	aIndex	index at which to return control

     */ 

    IMPORT_C CCoeControl* ComponentControl(TInt anIndex) const;

protected:

    // Buttons for modifying the value of the active MFNE field with stylus.

    // The derived classes which require the buttons, must call this class'

    // ConstructL function in their second phase constructor. This class

    // takes care of the button positioning and functionality.

    CAknButton* iIncreaseValueButton;

    CAknButton* iDecreaseValueButton;

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

private:

    // Layout information is stored here and not in the derived classes

    TAknLayoutRect iMfneLayoutRect;

    TAknLayoutRect iHorizontalShadow;

    TAknLayoutRect iVerticalShadow;

    TAknLayoutRect iOutlineFrame;

    TInt iSpare_1;

};

/** 

*

* This class is used for entering Dates in a "Code" setting page

*

*/

class CAknDateSettingPage : public CAknMfneSettingPage

{

public:

    /**

     * Constructor using purely Setting page resource

     *

     * @param   aResourceId     Setting page resource Id

     * @param   aDateValue      Reference to a date value set to the initial 

     *                          date

     */

    IMPORT_C CAknDateSettingPage(

        TInt aResourceID, 

        TTime& aDateValue);

    /**

     * Constructor that allows separate setting page and editor resources

     * 

     * This constructor allows the use of setting page using only the editor 

     * resource. Other combinations are also possible

     *

     * In all cases the number (if supplied i.e. <> 0 ) is used.  

     *

     *      Editor Resource     Setting Page Resource

     *          present             present             Both are used 

     *                                                  (but text 

     *                                                  & number overridden)

     *           = 0                present             Editor resource is used

     *                                                  via SP resource 

     *                                                  (Effectively like the

     *                                                  other constructor)

     *          present             = 0                 Default Avkon SP 

     *                                                  resource if used + this

     *                                                  editor resource

     *           = 0                = 0                 uses default resource

     *                                                  for both SP and editor.

     *                                                  This is OK if:

     *   i) control type is present, 

     *  ii) a default resource exists ( OK for text, integer, date, time, 

     *      duration )

     *

     * Note: The first argument is a TDesC* (rather than TDesC&) because the

     * other constructor cannot initialize such a member without allocation or

     * having an internal dummy buffer.

     * Note that this descriptor must be owned by the client at least until the

     * ExecuteLD().

     *

     * Rules for text and numbers: The rules are the same for both:  

     * (non-zero length) text or number other than 

     * EAknSettingPageNoOrdinalDisplayed if given in this constructor will not

     * override resource (unless that is zero length or 

     * EAknSettingPageNoOrdinalDisplayed).  Note, however, that text or number

     * given via the specific API for setting them, WILL override resource.

     * It is assumed that number from resource is very rare.  Special text is

     * somewhat more likely.

     * 

     * @param aSettingTitleText Text at top of setting pane; OWNED EXTERNALLY

     * @param aSettingNumber        Number at top left (if present)

     * @param aControlType          Determines the type constructed and how its

     *                              resource is read

     * @param aEditorResourceId Editor resource to use in the setting page 

     *                          (if present)

     * @param aSettingPageResourceId        Setting Page to use (if present)

     * @param aDateValue                reference to date

     */

    IMPORT_C CAknDateSettingPage(   

                                const TDesC* aSettingTitleText, 

                                TInt aSettingNumber, 

                                TInt aControlType,

                                TInt aEditorResourceId, 

                                TInt aSettingPageResourceId,    

                                TTime& aDateValue );

    /**

    *

    * 2nd stage construction.  This uses stored values from the conststuctor

    * to allocate the required aggregate objects, and then set the Date value.

    *

    */

    IMPORT_C virtual void ConstructL();

    /**

     * Type-specific access to the editor 

     *

     * @return the hosted editor

     */

    IMPORT_C CEikDateEditor* DateEditor();

    /**

    *  From CCoeControl

    */ 

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

protected:

    /**

    * Destructor

    */

    IMPORT_C virtual ~CAknDateSettingPage();

    /**

    * This framework method is called when the editor changes its value and the

    * mode of execution of the setting page is a continuous update mode.

    *

    */

    IMPORT_C virtual void UpdateSettingL();

    /**

    * Called when the user has accepted the value.

    * The external value is updated once again, in case we were not in

    * continuous update mode. 

    * A specific observer event is generated for the observer to say that the

    * value is accepted.

    */

    IMPORT_C virtual void AcceptSettingL();

    /**

    * The backup value, stored at construction time, is re-loaded into the 

    * referenced Date. An event is sent to the observer saying that the event

    * was dismissed.

    */

    IMPORT_C virtual void RestoreOriginalSettingL();

//

// CoeControl Framework and reserved methods

//

protected:

/**

 * Writes the internal state of the control and its components to aStream.

 * Does nothing in release mode.

 * Designed to be overidden and base called by subclasses.

 *

 * @param   aWriteSteam     A connected write stream

 */ 

    IMPORT_C virtual void WriteInternalStateL(RWriteStream& aWriteStream) const;

private:

/**

 *  Reserved method derived from CCoeControl

 */

    IMPORT_C virtual void Reserved_2();

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

/**

 * New reserved methods for CAknSettingPage hierarchy

 */ 

private: 

    IMPORT_C virtual void CAknSettingPage_Reserved_1();

    IMPORT_C virtual void CAknSettingPage_Reserved_2();

private:

    TTime& iDateValue;

    TTime iBackupDateValue;

};

/** 

 *

 * This class is used for entering Times in a "Code" setting page

 *

 */

class CAknTimeSettingPage : public CAknMfneSettingPage

{

public:

    /**

     * Constructor using purely Setting page resource

     *

     * @param   aResourceId     Setting page resource Id

     * @param   aTimeValue      Reference to a time value for the initial time

     */

    IMPORT_C CAknTimeSettingPage(

        TInt aResourceID, 

        TTime& aTimeValue);

    /**

     * Constructor that allows separate setting page and editor resources

     * 

     * This constructor allows the use of setting page using only the editor 

     * resource.  Other combinations are also possible

     *

     * In all cases the number (if supplied i.e. <> 0 ) is used.  

     *

     *      Editor Resource     Setting Page Resource

     *          present             present             Both are used (but text

     *                                                  & number overridden)

     *           = 0                present             Editor resource is used

     *                                                  via SP resource 

     *                                                  (Effectively like the

     *                                                  other constructor)

     *          present              = 0                Default Avkon SP 

     *                                                  resource if used + this

     *                                                  editor resource

     *           = 0                 = 0                uses default resource

     *                                                  for both SP and editor.

     *                                                  This is OK if:

     *   i) control type is present, 

     *  ii) a default resource exists ( OK for text, integer, 

     *      date, time, duration )

     *

     * Note: The first argument is a TDesC* (rather than TDesC&) because the

     * other constructor cannot initialize such a member without allocation or

     * having an internal dummy buffer.

     * Note that this descriptor must be owned by the client at least until the

     * ExecuteLD().

     *

     * Rules for text and numbers: The rules are the same for both:  

     * (non-zero length) text or number other than 

     * EAknSettingPageNoOrdinalDisplayed if given in this constructor will not

     * override resource (unless that is zero length or 

     * EAknSettingPageNoOrdinalDisplayed).  Note, however, that text or number

     * given via the specific API for setting them, WILL override resource.

     * It is assumed that number from resource is very rare.  Special text is

     * somewhat more likely.

     * 

     * @param aSettingTitleText Text at top of setting pane

     * @param aSettingNumber        Number at top left (if present)

     * @param aControlType          Determines the type constructed and how its

     *                              resource is read

     * @param aEditorResourceId Editor resource to use in the setting page 

     *                          (if present)

     * @param aSettingPageResourceId        Setting Page to use (if present)

     * @param aTimeValue                reference to a time

     */

    IMPORT_C CAknTimeSettingPage(   const TDesC* aSettingTitleText, 

                                TInt aSettingNumber, 

                                TInt aControlType,

                                TInt aEditorResourceId, 

                                TInt aSettingPageResourceId,    

                                TTime& aTimeValue );

    /**

    * Specific 2nd stage contructor for this type. Construction is performed

    * according to the resources and parameters set in the C++ constructors

    *

    */ 

    IMPORT_C virtual void ConstructL();

    /**

     * Type-specific access to the editor 

     */

    IMPORT_C CEikTimeEditor* TimeEditor();

    /**

    *  From CCoeControl

    */ 

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

protected:

    /**

    * Destructor

    */

    IMPORT_C virtual ~CAknTimeSettingPage();

    /**

    * This framework method is called when the editor changes its value and 

    * the mode of execution of the setting page is a continuous update mode.

    *

    */

    IMPORT_C virtual void UpdateSettingL();

    /**

    * Called when the user has accepted the value.

    * The external value is updated once again, in case we were not in

    * continuous update mode. 

    * A specific observer event is generated for the observer to say that the

    * value is accepted.

    */

    IMPORT_C virtual void AcceptSettingL();

    /**

    * The backup value, stored at construction time, is re-loaded into the 

    * referenced Date.

    * An event is sent to the observer saying that the event was dismissed.

    */

    IMPORT_C virtual void RestoreOriginalSettingL();

//

// CoeControl Framework and reserved methods

//

protected:

/**

 * Writes the internal state of the control and its components to aStream.

 * Does nothing in release mode.

 * Designed to be overidden and base called by subclasses.

 *

 * @param   aWriteSteam     A connected write stream

 */ 

    IMPORT_C virtual void WriteInternalStateL(RWriteStream& aWriteStream) const;

private:

/**

 *  Reserved method derived from CCoeControl

 */

    IMPORT_C virtual void Reserved_2();

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

/**

 * New reserved methods for CAknSettingPage hierarchy

 */ 

private: 

    IMPORT_C virtual void CAknSettingPage_Reserved_1();

    IMPORT_C virtual void CAknSettingPage_Reserved_2();

private:

    TTime& iTimeValue;

    TTime iBackupTimeValue;

};

/** 

 *

 * This class is used for entering duration in a "Code" setting page

 *

 */

class CAknDurationSettingPage : public CAknMfneSettingPage

{

public:

    /**

     * Constructor using purely Setting page resource

     *

     * @param   aResourceId     Setting page resource Id

     * @param   aDurationValue      Reference to the maintained duration value

     */

    IMPORT_C CAknDurationSettingPage(

        TInt                    aResourceID, 

        TTimeIntervalSeconds&   aDurationValue);

    /**

     * Constructor that allows separate setting page and editor resources

     * 

     * This constructor allows the use of setting page using only the editor 

     * resource.  Other combinations are also possible

     *

     * In all cases the number (if supplied i.e. <> 0 ) is used.  

     *

     *      Editor Resource     Setting Page Resource

     *          present             present             Both are used 

     *                                                  (but text & number 

     *                                                  overridden)

     *           = 0                    present         Editor resource is used

     *                                                  via SP resource 

     *                                                  (Effectively like the 

     *                                                  other constructor)

     *          present             = 0                 Default Avkon SP 

     *                                                  resource if used + this

     *                                                  editor resource

     *           = 0                    = 0             uses default resource 

     *                                                  for both SP and editor.

     *                                                  This is OK if:

     *   i) control type is present, 

     *  ii) a default resource exists ( OK for text, integer, 

     *      date, time, duration )

     *

     * Note: The first argument is a TDesC* (rather than TDesC&) because the 

     * other constructor cannot initialize such a member without allocation or

     * having an internal dummy buffer.

     * Note that this descriptor must be owned by the client at least until the

     * ExecuteLD().

     *

     * Rules for text and numbers: The rules are the same for both:

     * (non-zero length) text or number other than 

     * EAknSettingPageNoOrdinalDisplayed if given in this constructor will not

     * override resource (unless that is zero length or 

     * EAknSettingPageNoOrdinalDisplayed).  Note, however, that text or number

     * given via the specific API for setting them, WILL override resource.

     * It is assumed that number from resource is very rare.  Special text is

     * somewhat more likely.

     * 

     * @param aSettingTitleText Text at top of setting pane; OWNED EXTERNALLY

     * @param aSettingNumber        Number at top left (if present)

     * @param aControlType          Determines the type constructed and how its

     *                              resource is read

     * @param aEditorResourceId Editor resource to use in the setting page 

     *                          (if present)

     * @param aSettingPageResourceId        Setting Page to use (if present)

     * @param aDurationValue                reference to a duration

     */

    IMPORT_C CAknDurationSettingPage(   const TDesC* aSettingTitleText, 

                                TInt aSettingNumber, 

                                TInt aControlType,

                                TInt aEditorResourceId, 

                                TInt aSettingPageResourceId,    

                                TTimeIntervalSeconds&   aDurationValue);

    /**

    * Specific 2nd stage contructor for this type. Construction is performed

    * according to the resources and parameters set in the C++ constructors

    *

    */ 

    IMPORT_C virtual void ConstructL();

    /**

     * Type-specific access to the editor 

     */

    IMPORT_C CEikDurationEditor* DurationEditor();

    /**

     * From CCoeControl.     

     * Handles pointer events

     */

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

protected:

    /**

    * Destructor

    */

    IMPORT_C virtual ~CAknDurationSettingPage();

    /**

    * This framework method is called when the editor changes its value and 

    * the mode of execution of the setting page is a continuous update mode.

    *

    */

    IMPORT_C virtual void UpdateSettingL();

    /**

    * Called when the user has accepted the value.

    * The external value is updated once again, in case we were not in

    * continuous update mode. 

    * A specific observer event is generated for the observer to say that the

    * value is accepted.

    */

    IMPORT_C virtual void AcceptSettingL();

    /**

    * The backup value, stored at construction time, is re-loaded into the 

    * referenced Date.

    * An event is sent to the observer saying that the event was dismissed.

    */

    IMPORT_C virtual void RestoreOriginalSettingL();

//

// CoeControl Framework and reserved methods

//

protected:

/**

 * Writes the internal state of the control and its components to aStream.

 * Does nothing in release mode.

 * Designed to be overidden and base called by subclasses.

 *

 * @param   aWriteSteam     A connected write stream

 */ 

    IMPORT_C virtual void WriteInternalStateL(RWriteStream& aWriteStream) const;

private:

/**

 *  Reserved method derived from CCoeControl

 */

    IMPORT_C virtual void Reserved_2();

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

/**

 * New reserved methods for CAknSettingPage hierarchy

 */ 

private: 

    IMPORT_C virtual void CAknSettingPage_Reserved_1();

    IMPORT_C virtual void CAknSettingPage_Reserved_2();

private:

    TTimeIntervalSeconds& iDurationValue;

    TTimeIntervalSeconds iBackupDurationValue;

};

/**

*  Time offset setting page.

*

*  @lib avkon

*  @since 2.0

*/

class CAknTimeOffsetSettingPage : public CAknMfneSettingPage

{

public:

    /**

     * Constructor using purely Setting page resource

     *

     * @since 2.0

     * @param   aResourceId     Setting page resource Id

     * @param   aTimeOffsetValue        Reference to the maintained 

     *                                  offset value

     */

    IMPORT_C CAknTimeOffsetSettingPage(

        TInt                    aResourceID, 

        TTimeIntervalSeconds&   aTimeOffsetValue);

    /**

     * Constructor that allows separate setting page and editor resources

     * 

     * This constructor allows the use of setting page using only the editor 

     * resource. Other combinations are also possible

     *

     * In all cases the number (if supplied i.e. <> 0 ) is used.  

     *

     *      Editor Resource     Setting Page Resource

     *          present             present             Both are used 

     *                                                  (but text & number 

     *                                                  overridden)

     *           = 0                present             Editor resource is 

     *                                                  used via SP resource 

     *                                                  (Effectively like the 

     *                                                  other constructor)

     *          present             = 0                 Default Avkon SP 

     *                                                  resource if used + 

     *                                                  this editor resource

     *           = 0                = 0                 uses default resource 

     *                                                  for both SP and editor. 

     *                                                  This is OK if:

     * i) control type is present, 

     * ii) a default resource exists ( OK for text, integer, 

     *     date, time, duration )

     *

     * Note: The first argument is a TDesC* (rather than TDesC&) because 

     * the other constructor cannot initialize such a member without allocation

     * or having an internal dummy buffer.

     * Note that this descriptor must be owned by the client at least until the

     * ExecuteLD().

     *

     * Rules for text and numbers: The rules are the same for both:  

     * (non-zero length) text or number other than 

     * EAknSettingPageNoOrdinalDisplayed if given in this constructor will not 

     * override resource (unless that is zero length or 

     * EAknSettingPageNoOrdinalDisplayed).  Note, however, that text or number 

     * given via the specific API for setting them, WILL override resource.

     * It is assumed that number from resource is very rare.  Special text is 

     * somewhat more likely.

     * 

     * @since 2.0

     * @param aSettingTitleText Text at top of setting pane; OWNED EXTERNALLY

     * @param aSettingNumber        Number at top left (if present)

     * @param aControlType          Determines the type constructed 

     *                              and how its resource is read

     * @param aEditorResourceId Editor resource to use in the setting page 

     *                                 (if present)

     * @param aSettingPageResourceId        Setting Page to use (if present)

     * @param aTimeOffsetValue              reference to time offset

     */

    IMPORT_C CAknTimeOffsetSettingPage( const TDesC* aSettingTitleText, 

                                TInt aSettingNumber, 

                                TInt aControlType,

                                TInt aEditorResourceId, 

                                TInt aSettingPageResourceId,    

                                TTimeIntervalSeconds&   aTimeOffsetValue);

    /**

    * Specific 2nd stage contructor for this type. Construction is performed

    * according to the resources and parameters set in the C++ constructors

    *

    */ 

    IMPORT_C virtual void ConstructL();

    /**

     * Type-specific access to the editor 

     */

    IMPORT_C CEikTimeOffsetEditor* TimeOffsetEditor();

    /**

    *  From CCoeControl

    */	

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

protected:

    /**

    * Destructor

    */

    IMPORT_C virtual ~CAknTimeOffsetSettingPage();

    /**

    * This framework method is called when the editor changes its 

    * value and the mode of execution of the setting page is a continuous 

    * update mode.

    *

    * @since 2.0

    */

    IMPORT_C virtual void UpdateSettingL();

    /**

    * Called when the user has accepted the value.

    * The external value is updated once again, in case we were not in

    * continuous update mode. 

    * A specific observer event is generated for the observer to say that the

    * value is accepted.

    *

    * @since 2.0

    */

    IMPORT_C virtual void AcceptSettingL();

    /**

    * The backup value, stored at construction time, is re-loaded into the 

    * referenced Date.

    * An event is sent to the observer saying that the event was dismissed.

    *

    * @since 2.0

    */

    IMPORT_C virtual void RestoreOriginalSettingL();

//

// CoeControl Framework and reserved methods

//

protected:

/**

 * Writes the internal state of the control and its components to aStream.

 * Does nothing in release mode.

 * Designed to be overidden and base called by subclasses.

 *

 * @since 2.0

 * @param   aWriteSteam     A connected write stream

 */ 

    IMPORT_C virtual void WriteInternalStateL(RWriteStream& aWriteStream) const;

private:

/**

 *  Reserved method derived from CCoeControl

 *

 * @since 2.0

 */

    IMPORT_C virtual void Reserved_2();

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

/**

 * New reserved methods for CAknSettingPage hierarchy

 */ 

private: 

    IMPORT_C virtual void CAknSettingPage_Reserved_1();

    IMPORT_C virtual void CAknSettingPage_Reserved_2();

private:

    TTimeIntervalSeconds& iTimeOffsetValue;

    TTimeIntervalSeconds iBackupTimeOffsetValue;

};

/** 

 *

 * Setting page class for entering an IP Address

 *

 */

class CAknIpFieldSettingPage : public CAknMfneSettingPage

{

public:

    /**

     * Constructor using purely Setting page resource

     *

     * @param   aResourceId     Setting page resource Id

     * @param   aIpAddress      Reference to the maintained IP address

     */

    IMPORT_C CAknIpFieldSettingPage(

        TInt                    aResourceID, 

        TInetAddr&          aIpAddress);

    /**

     * Constructor that allows separate setting page and editor resources

     * 

     * This constructor allows the use of setting page using only the editor 

     * resource.  Other combinations are also possible

     *

     * In all cases the number (if supplied i.e. <> 0 ) is used.  

     *

     *      Editor Resource     Setting Page Resource

     *          present             present             Both are used (but text

     *                                                  & number overridden)

     *           = 0                    present         Editor resource is 

     *                                                  used via SP resource 

     *                                                  (Effectively like the 

     *                                                  other constructor)

     *          present             = 0                 Default Avkon SP 

     *                                                  resource if used + this

     *                                                  editor resource

     *           = 0                    = 0             uses default resource 

     *                                                  for both SP and editor. 

     *                                                  This is OK if:

     *   i) control type is present, 

     *  ii) a default resource exists ( OK for text, integer, 

     *      date, time, duration )

     *

     * Note: The first argument is a TDesC* (rather than TDesC&) because the 

     * other constructor cannot initialize such a member without allocation 

     * or having an internal dummy buffer.

     * Note that this descriptor must be owned by the client at least until 

     * the ExecuteLD().

     *

     * Rules for text and numbers: The rules are the same for both: 

     * (non-zero length) text or number other than 

     * EAknSettingPageNoOrdinalDisplayed if given in this constructor will not 

     * override resource (unless that is zero length or 

     * EAknSettingPageNoOrdinalDisplayed).  Note, however, that text or number 

     * given via the specific API for setting them, WILL override resource.

     * It is assumed that number from resource is very rare. Special text is 

     * somewhat more likely.

     * 

     * @param aSettingTitleText Text at top of setting pane; OWNED EXTERNALLY

     * @param aSettingNumber        Number at top left (if present)

     * @param aControlType          Determines the type constructed and how its 

     *                              resource is read

     * @param aEditorResourceId Editor resource to use in the setting page 

     *                          (if present)

     * @param aSettingPageResourceId        Setting Page to use (if present)

     * @param aIpAddress                reference to a duration

     */

    IMPORT_C CAknIpFieldSettingPage(    const TDesC* aSettingTitleText, 

                                TInt aSettingNumber, 

                                TInt aControlType,

                                TInt aEditorResourceId, 

                                TInt aSettingPageResourceId,    

                                TInetAddr&  aIpAddress);

    /**

    * Specific 2nd stage contructor for this type. Construction is performed

    * according to the resources and parameters set in the C++ constructors

    *

    */ 

    IMPORT_C virtual void ConstructL();

    /**

     * Type-specific access to the editor 

     */

    IMPORT_C CAknIpFieldEditor* IpFieldEditor();

    /**

    *  From CCoeControl

    */	 

    IMPORT_C void HandlePointerEventL(const TPointerEvent& aPointerEvent);

protected:

    /**

    * Destructor

    */

    IMPORT_C virtual ~CAknIpFieldSettingPage();

    /**

    * This framework method is called when the editor changes its value and 

    * the mode of execution of the setting page is a continuous update mode.

    *

    */

    IMPORT_C virtual void UpdateSettingL();

    /**

    * Called when the user has accepted the value.

    * The external value is updated once again, in case we were not in

    * continuous update mode. 

    * A specific observer  event is generated for the observer to say that the

    * value is accepted.

    */

    IMPORT_C virtual void AcceptSettingL();

    /**

    * The backup value, stored at construction time, is re-loaded into 

    * the referenced Date.

    * An event is sent to the observer saying that the event was dismissed.

    */

    IMPORT_C virtual void RestoreOriginalSettingL();

//

// CoeControl Framework and reserved methods

//

protected:

/**

 * Writes the internal state of the control and its components to aStream.

 * Does nothing in release mode.

 * Designed to be overidden and base called by subclasses.

 *

 * @param   aWriteSteam     A connected write stream

 */ 

    IMPORT_C virtual void WriteInternalStateL(RWriteStream& aWriteStream) const;

private:

/**

 *  Reserved method derived from CCoeControl

 */

    IMPORT_C virtual void Reserved_2();

private:

    /**

    * From CAknControl

    */

    IMPORT_C void* ExtensionInterface( TUid aInterface );

/**

 * New reserved methods for CAknSettingPage hierarchy

 */ 

private: 

    IMPORT_C virtual void CAknSettingPage_Reserved_1();

    IMPORT_C virtual void CAknSettingPage_Reserved_2();

private:

    TInetAddr& iIpAddress;

    TInetAddr iBackupIpAddress; // Not a reference

    };

#endif