/*

* Copyright (c) 2007 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:  Container class for compose view

*

*/

#ifndef CNCSADDRESSINPUTFIELD_H

#define CNCSADDRESSINPUTFIELD_H

// INCLUDES

#include <aknview.h>

#include <AknDef.h>

//<cmail>

#include <eikedwob.h>

//</cmail>

#include "ncscontrol.h"

class CAknPhysics;

//<cmail>  Temporary hardcoded layout values

//Horizontal values

const TInt KButtonXa = 5;

const TInt KButtonXb = 80;

const TInt KTxtFieldXa = KButtonXb + 7;

const TInt KTxtFieldXb = 445;

//To-field

const TInt KToAy = 5;

const TInt KToBy = KToAy + 45;

const TInt KToFieldAy = 5;

const TInt KToFieldBy = KToFieldAy + 45;

//Cc-field

const TInt KCcAy = KToBy + 7;

const TInt KCcBy = KCcAy + 45;

const TInt KCcFieldAy = KToFieldBy + 7;

const TInt KCcFieldBy = KCcFieldAy + 45;

//Bcc-field

const TInt KBccAy = KCcBy + 7;

const TInt KBccBy = KBccAy + 45;

const TInt KBccFieldAy = KCcFieldBy + 7;

const TInt KBccFieldBy = KBccFieldAy + 45;

//Subject field

const TInt KSubjectLblRectAy = KBccBy + 7;

const TInt KSubjectLblRectBy = KSubjectLblRectAy + 45;

const TInt KSubjectFieldRectAy = KBccFieldBy + 7;

const TInt KSubjectFieldRectBy = KSubjectFieldRectAy + 45;

//A konst for empty return values

_LIT( KEmptyReturnValue, "" );

//</cmail>

class CEikImage;

class CAknButton;

class CNcsAifEditor;

class CNcsEmailAddressObject;

class CNcsHeaderContainer;

/**

*  CNcsAddressInputField container control class.

*/

class MNcsAddressPopupList

    {

public:

    virtual void UpdatePopupContactListL( const TDesC& aMatchString, TBool iListAll ) = 0;

	virtual void ClosePopupContactListL() = 0;

    };

/**

*  CNcsAddressInputField container control class.

*/

class CNcsAddressInputField: public CCoeControl, public MEikEdwinSizeObserver,

                             public MNcsControl, public MCoeControlObserver

    {

public: // enum

    enum TNcsInputFieldType

        {

        EInputFieldTo,

        EInputFieldCc,

        EInputFieldBcc

        };

public: // Constructors and destructor

        /**

        * NewL

        * Create a CNcsAddressInputField object, which will draw itself to aRect

        */

    static CNcsAddressInputField* NewL( 

        TInt aLabelId,

        TNcsInputFieldType aFieldType,

        MNcsFieldSizeObserver* aSizeObserver,

        MNcsAddressPopupList* aAddressPopupList,

        CNcsHeaderContainer* aParentControl );

    /**

    * ~CNcsAddressInputField

    * Destructor

    */

    virtual ~CNcsAddressInputField();

public: // new functions

    TInt MinimumHeight() const;

    void SetAddressesL( const RPointerArray<CNcsEmailAddressObject>& aAddress );

    const RPointerArray<CNcsEmailAddressObject>& GetAddressesL( TBool aParseNow=ETrue );

    void SetMaxLabelLength( TInt aMaxLength );

    TInt GetMinLabelLength() const;

    void AddAddressL( const CNcsEmailAddressObject& aAddress ); 

    void AddAddressL( const TDesC& aDisplayName, const TDesC& aEmail );   

    void AddAddressL( const TDesC& aEmail );

    void AppendAddressesL( const RPointerArray<CNcsEmailAddressObject>& aAddress );

    CEikEdwin* TextEditor() const;

    HBufC* GetLookupTextLC() const;

    const CNcsEmailAddressObject* EmailAddressObjectBySelection() const;

    void SelectAllTextL();

    void SetTextColorL( TLogicalRgb aColor );

    CNcsEditor* Editor() const;

    TBool IsEmpty() const;

    void SetLabelTextColorL (TRgb aColor);

    void FixSemicolonAtTheEndL();

    void SetPhysicsEmulationOngoing( TBool aPhysOngoing );

public: // from CoeControl

    /**

    * SetContainerWinowL

    * Set the cotainer window this control should raw in

    * @since S60 v3.0

    * @param aContainer The window continer that owns this control

    */

    void SetContainerWindowL(const CCoeControl& aContainer);

    /**

    * Draw

    * Draw this CNcsAddressInputField to the screen.

    * @since S60 v3.0

    * @param aRect the rectangle of this view that needs updating

    */

    void Draw( const TRect& aRect ) const;

    void SizeChanged();

	void PositionChanged();

    //<cmail>

    void HandlePointerEventL( const TPointerEvent& aPointerEvent );

    //</cmail>

    TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

    void FocusChanged(TDrawNow aDrawNow);

    void HandleResourceChange( TInt aType );

public: // from MEikEdwinSizeObserver

    TBool HandleEdwinSizeEventL( CEikEdwin* aEdwin, TEdwinSizeEvent aEventType, TSize aDesirableEdwinSize );

public: // from MNcsControl

    virtual TInt LineCount() const;

    virtual TInt ScrollableLines() const;

    virtual TInt GetNumChars() const;

    virtual TInt CursorLineNumber() const;

    virtual TInt CursorPosition() const;

    virtual void Reposition(TPoint& aPt, TInt aWidth);

    virtual const TDesC& GetLabelText() const;

    // <cmail> Platform layout change       

    TInt LayoutLineCount() const;

    // </cmail> Platform layout change

    void EnableKineticScrollingL( CAknPhysics* aPhysics );

//<cmail>

private:

    void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );

//</cmail>

private: // methods

    CNcsAddressInputField( 

        TNcsInputFieldType aFieldType,

        MNcsFieldSizeObserver* aSizeObserver,

        MNcsAddressPopupList* aAddressPopupList,

        CNcsHeaderContainer* aParentControl );

    void ConstructL( TInt aLabelTextId );

    void UpdateFontSize();

    //<cmail>

    void CreateControlsL( const TDesC& aControlText );

    void LayoutTouch();

    void LayoutNonTouch();  

    //</cmail>

private: // data

    CNcsHeaderContainer* iParentControl; // not owned

    MNcsAddressPopupList* iAddressPopupList;

    /*

    * text field

    * Own

    */

    CNcsLabel* iLabel;

// <cmail> Platform layout changes

    const CFont* iFont; // not owned, needs to be released in the end

    CAknButton* iButton;

// </cmail> Platform layout changes   

    /*

    * text field

    * Own

    */

    CNcsAifEditor* iTextEditor;

    TNcsInputFieldType iFieldType;

    TBool iFocusChanged;

    TInt iEditorMinimumHeight;

// <cmail> Platform layout changes

    TInt iEditorLineCount;

// </cmail> Platform layout changes

    TInt iMaximumLabelLength;

    RTimer iPopupTimer;

    TRgb iBorderColor;

    TRgb iBgColor;

    // for keeping buttons in view while scrolling

    TPoint iOriginalFieldPos;

    TPoint iOriginalButtonPos;

    // panning related

    CAknPhysics* iPhysics;

    TBool iIsDraggingStarted;

    TPoint iStartPosition;

    };

#endif // CNCSADDRESSINPUTFIELD_H