/*

* Copyright (c) 2002-2006 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:  MsgBodyControlEditor  declaration

*

*/

#ifndef CMSGBODYCONTROLEDITOR_H

#define CMSGBODYCONTROLEDITOR_H

// ========== INCLUDE FILES ================================

#include <ItemFinder.h>

#include <itemfinderobserver.h>

#include "MsgExpandableControlEditor.h"            // for CMsgExpandableControlEditor

#include "MsgEditor.hrh"

// ========== CONSTANTS ====================================

// ========== MACROS =======================================

// ========== DATA TYPES ===================================

// ========== FUNCTION PROTOTYPES ==========================

// ========== FORWARD DECLARATIONS =========================

class CMsgEditorCustomDraw;

// ========== CLASS DECLARATION ============================

/**

* Defines an editor for the body control.

*/

class CMsgBodyControlEditor : public CMsgExpandableControlEditor,

                              public MItemFinderObserver,

                              public MAknItemFinderObserver

    {

    public:

        /**

        * Constructor.

        * @param aFlags

        */

        CMsgBodyControlEditor(

            const CCoeControl*       aParent,

            TUint32&                 aFlags,

            MMsgBaseControlObserver* aBaseControlObserver );

        /**

        * Destructor.

        */

        virtual ~CMsgBodyControlEditor();

        /**

        * 2nd phase constructor.

        */

        void ConstructL();

        /**

        * Calculates and sets the size of the control and returns new size as reference aSize.

        * @param aSize

        */

        void SetAndGetSizeL( TSize& aSize );

        /**

        * Inserts a character to the editor.

        * @param aCharacter

        */

        void InsertCharacterL( const TChar& aCharacter );

        /**

        * Inserts text to the editor.

        * @param aText

        */

        void InsertTextL( const TDesC& aText );

        /**

        * Prepares focus transition.

        */

        void PrepareFocusTransition();

    public:  // from CMsgExpandableControlEditor

        /**

        * Checks if the cursor is on the last line.

        * @return

        */

        TBool CursorInLastLine();

        /**

        * Reads layout data from "LAF".

        */

        void ResolveLayouts();

        /**

        * Sets text format.

        */

        void LayoutEdwin();

        /**

        * Sets the currently applicable text skin color ID. 

        * Overwrites expandable editor behaviour and sets

        * only single text color independent of the control state.

        */

        void SetTextSkinColorIdL();

        /**

         * For handling dynamic layout switch.

         */

         void HandleResourceChange( TInt aType );

         /**

         * Preparing for readonly/ viewers

         */

         void PrepareForReadOnlyL( TBool aReadOnly );

    public:  // from CEikRichTextEditor

        /**

        * Handles key events.

        * @param aKeyEvent

        * @param aType

        * @return

        */

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

        /**

        * From CCoeControl. See coecntrl.h

        */

        void HandlePointerEventL( const TPointerEvent& aPointerEvent );

    public: // from MItemFinderObserver

        void HandleParsingComplete();

    public: // from MAknItemFinderObserver  

        void HandleFindItemEventL(

                        const CItemFinder::CFindItemExt& aItem,

                        MAknItemFinderObserver::TEventFlag aEvent,

                        TUint aFlags = 0 );

    public: // new

        /**

        * 

        */

        TBool IsFocusChangePossibleL( TMsgFocusDirection aDirection );

        /**

        * Should be called when focus is changed to body. 

        * @param aBeginning: ETrue if search started from the beginning of the body text, EFalse if from the end

        */

        void SetupAutomaticFindAfterFocusChangeL( TBool aBeginning );

    protected: // new

        /**

        *

        */

        void SetHighlightL( TInt aCursorPos, TMsgFocusDirection aDirection, TBool aInit = EFalse );

    private:  // from CCoeControl

        /**

        *

        */

        void ActivateL();

    private:

        /**

        * Constructor (not available).

        */

        CMsgBodyControlEditor();

        /**

        * Performs parsing complete handling.

        */

        void DoHandleParsingCompleteL();

    private:

        TBool iTextParsed;

        TBool iFocusChangedBeforeParseFinish;

        TBool iInitTop; // ETrue if start from top, EFalse if bottom

        CMsgEditorCustomDraw* iCustomDraw;

        TInt iPreviousItemStart;

        TInt iPreviousItemLength;

    };

#endif // CMSGBODYCONTROLEDITOR_H

// End of File