1 /*

     2 * Copyright (c) 2002-2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  MsgBodyControlEditor  declaration

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CMSGBODYCONTROLEDITOR_H

    21 #define CMSGBODYCONTROLEDITOR_H

    22 

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

    24 

    25 #include <ItemFinder.h>

    26 #include "MsgExpandableControlEditor.h"            // for CMsgExpandableControlEditor

    27 #include "MsgEditor.hrh"

    28 

    29 // ========== CONSTANTS ====================================

    30 

    31 // ========== MACROS =======================================

    32 

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

    34 

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

    36 

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

    38 class CMsgEditorCustomDraw;

    39 

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

    41 

    42 

    43 /**

    44 * Defines an editor for the body control.

    45 */

    46 class CMsgBodyControlEditor : public CMsgExpandableControlEditor,

    47                               public MItemFinderObserver

    48     {

    49     public:

    50 

    51         /**

    52         * Constructor.

    53         * @param aFlags

    54         */

    55         CMsgBodyControlEditor(

    56             const CCoeControl*       aParent,

    57             TUint32&                 aFlags,

    58             MMsgBaseControlObserver* aBaseControlObserver );

    59 

    60         /**

    61         * Destructor.

    62         */

    63         virtual ~CMsgBodyControlEditor();

    64 

    65         /**

    66         * 2nd phase constructor.

    67         */

    68         void ConstructL();

    69 

    70         /**

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

    72         * @param aSize

    73         */

    74         void SetAndGetSizeL( TSize& aSize );

    75 

    76         /**

    77         * Inserts a character to the editor.

    78         * @param aCharacter

    79         */

    80         void InsertCharacterL( const TChar& aCharacter );

    81 

    82         /**

    83         * Inserts text to the editor.

    84         * @param aText

    85         */

    86         void InsertTextL( const TDesC& aText );

    87         

    88         /**

    89         * Prepares focus transition.

    90         */

    91         void PrepareFocusTransition();

    92 

    93     public:  // from CMsgExpandableControlEditor

    94 

    95         /**

    96         * Checks if the cursor is on the last line.

    97         * @return

    98         */

    99         TBool CursorInLastLine();

   100         

   101         /**

   102         * Reads layout data from "LAF".

   103         */

   104         void ResolveLayouts();

   105         

   106         /**

   107         * Sets text format.

   108         */

   109         void LayoutEdwin();

   110         

   111         /**

   112         * Sets the currently applicable text skin color ID. 

   113         * Overwrites expandable editor behaviour and sets

   114         * only single text color independent of the control state.

   115         */

   116         void SetTextSkinColorIdL();

   117         

   118         /**

   119          * For handling dynamic layout switch.

   120          */

   121          void HandleResourceChange( TInt aType );

   122         

   123     public:  // from CEikRichTextEditor

   124 

   125         /**

   126         * Handles key events.

   127         * @param aKeyEvent

   128         * @param aType

   129         * @return

   130         */

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

   132 

   133         /**

   134         * From CCoeControl. See coecntrl.h

   135         */

   136         void HandlePointerEventL( const TPointerEvent& aPointerEvent );

   137         

   138     public: // from MItemFinderObserver

   139 

   140         void HandleParsingComplete();

   141 

   142     public: // new

   143 

   144         /**

   145         * 

   146         */

   147         TBool IsFocusChangePossibleL( TMsgFocusDirection aDirection );

   148 

   149         /**

   150         * Should be called when focus is changed to body. 

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

   152         */

   153         void SetupAutomaticFindAfterFocusChangeL( TBool aBeginning );

   154 

   155     protected: // new

   156 

   157         /**

   158         *

   159         */

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

   161 

   162     private:  // from CCoeControl

   163 

   164         /**

   165         *

   166         */

   167         void ActivateL();

   168 

   169     private:

   170 

   171         /**

   172         * Constructor (not available).

   173         */

   174         CMsgBodyControlEditor();

   175 

   176         /**

   177         * Performs parsing complete handling.

   178         */

   179         void DoHandleParsingCompleteL();

   180         

   181     private:

   182 

   183         TBool iTextParsed;

   184         TBool iFocusChangedBeforeParseFinish;

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

   186         

   187         CMsgEditorCustomDraw* iCustomDraw;

   188         

   189         TInt iPreviousItemStart;

   190         TInt iPreviousItemLength;

   191     };

   192 

   193 #endif // CMSGBODYCONTROLEDITOR_H

   194 

   195 // End of File