msg_plat/messaging_editor_api/inc/MsgAddressControl.h
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     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:  MsgAddressControl  declaration
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef CMSGADDRESSCONTROL_H
       
    21 #define CMSGADDRESSCONTROL_H
       
    22 
       
    23 // ========== INCLUDE FILES ================================
       
    24 #include <cntdef.h>             // for TContactItemId
       
    25 
       
    26 #include "MsgExpandableControl.h"
       
    27 #include "MsgRecipientItem.h"              // for CMsgRecipientItem
       
    28 
       
    29 // ========== CONSTANTS ====================================
       
    30 
       
    31 // ========== MACROS =======================================
       
    32 
       
    33 #define iAddressControlEditor ( static_cast<CMsgAddressControlEditor*>( iEditor ) )
       
    34 
       
    35 // ========== FUNCTION PROTOTYPES ==========================
       
    36 
       
    37 // ========== FORWARD DECLARATIONS =========================
       
    38 class MVPbkContactLink;
       
    39 class CAknButton;
       
    40 
       
    41 // ========== DATA TYPES ===================================
       
    42 
       
    43 // ========== CLASS DECLARATION ============================
       
    44 
       
    45 /**
       
    46 * Defines a parsing info class that is used for storing information about a
       
    47 * found entry string.
       
    48 */
       
    49 class TParsingInfo
       
    50     {
       
    51     public:
       
    52 
       
    53         /**
       
    54         * Constructor.
       
    55         */
       
    56         inline TParsingInfo();
       
    57 
       
    58         /**
       
    59         * Constructor.
       
    60         * @param aEntryNum
       
    61         * @param aStartPos
       
    62         * @param aEndPos
       
    63         */
       
    64         inline TParsingInfo( TInt aEntryNum, TInt aStartPos, TInt aEndPos );
       
    65 
       
    66         /**
       
    67         *
       
    68         * @param aEntryNum
       
    69         * @param aStartPos
       
    70         * @param aEndPos
       
    71         */
       
    72         inline void SetInfo( TInt aEntryNum, TInt aStartPos, TInt aEndPos );
       
    73 
       
    74     private:
       
    75 
       
    76         /**
       
    77         * Constructor (not available).
       
    78         */
       
    79         TParsingInfo( const TParsingInfo& aSource );
       
    80 
       
    81         /**
       
    82         * Assignment operator (not available).
       
    83         */
       
    84         const TParsingInfo& operator=( const TParsingInfo& aSource );
       
    85 
       
    86     public:
       
    87 
       
    88         TInt iEntryNum;
       
    89         TInt iStartPos;
       
    90         TInt iEndPos;
       
    91     };
       
    92 
       
    93 /**
       
    94 * Defines an address control for message editors/viewers.
       
    95 */
       
    96 class CMsgAddressControl : public CMsgExpandableControl
       
    97     {
       
    98     public:
       
    99 
       
   100         enum TMsgAddressControlEditPermissionFlags
       
   101             {
       
   102             EMsgEditCharInsert         = EMsgFirstReservedFlag << 1,    // Inserting a character is possible
       
   103             EMsgEditParagraphDelimiter = EMsgFirstReservedFlag << 2,    // Enter key press is possible
       
   104             EMsgEditBackspace          = EMsgFirstReservedFlag << 3,    // Pressing Backspace is possible
       
   105             EMsgEditDelete             = EMsgFirstReservedFlag << 4,    // Pressing Delete is possible
       
   106             EMsgEditBackspaceMove      = EMsgFirstReservedFlag << 5,    // Pressing Backspace is possible but it does not remove a char
       
   107             EMsgEditRemoveEntry        = EMsgFirstReservedFlag << 6     // Removing entry is possible
       
   108             };
       
   109 
       
   110     public:
       
   111 
       
   112         /**
       
   113         * Constructor.
       
   114         * @param aBaseControlObserver
       
   115         */
       
   116         CMsgAddressControl( MMsgBaseControlObserver& aBaseControlObserver );
       
   117 
       
   118         /**
       
   119         * Destructor.
       
   120         */
       
   121         virtual ~CMsgAddressControl();
       
   122 
       
   123     public:
       
   124 
       
   125         /**
       
   126         * Adds one recipient to the address control.
       
   127         * @param aName
       
   128         * @param aAddress
       
   129         * @param aId
       
   130         * @param aVerified
       
   131         */
       
   132         IMPORT_C void AddRecipientL( const TDesC& aName,
       
   133                                      const TDesC& aAddress,
       
   134                                      TBool aVerified,
       
   135                                      MVPbkContactLink* aContactLink );        
       
   136 
       
   137         /**
       
   138         * Adds list of recipients to the address control.
       
   139         * @param aRecipients
       
   140         */
       
   141         IMPORT_C void AddRecipientsL( const CMsgRecipientList& aRecipients );
       
   142 
       
   143         /**
       
   144         * Returns recipients from the address control.
       
   145         * @return
       
   146         */
       
   147         IMPORT_C CMsgRecipientArray* GetRecipientsL();
       
   148 
       
   149         /**
       
   150         * Clears content of the address control.
       
   151         * @return
       
   152         */
       
   153         IMPORT_C TInt ResetL();
       
   154 
       
   155         /**
       
   156         * Clears content of the address control (non-leaving version; from CMsgBaseControl).
       
   157         */
       
   158         IMPORT_C void Reset();
       
   159 
       
   160         /**
       
   161         * Finds the first unverified string and updates also the iParserInfo
       
   162         * correspondingly.
       
   163         * @param aString
       
   164         * @return
       
   165         */
       
   166         IMPORT_C TInt GetFirstUnverifiedStringL( HBufC*& aString );
       
   167 
       
   168         /**
       
   169         * Finds the next unverified string.
       
   170         * @param aString
       
   171         * @return
       
   172         */
       
   173         IMPORT_C TInt GetNextUnverifiedStringL( HBufC*& aString );
       
   174 
       
   175         /**
       
   176         * Refreshes the contents of address control.
       
   177         * OBSOLETE! User RefreshL instead.
       
   178         *
       
   179         * @param aArray
       
   180         * @return
       
   181         */
       
   182         IMPORT_C TInt ReplaceUnverifiedStringL( CMsgRecipientArray& aArray );
       
   183 
       
   184         /**
       
   185         * Refreshes the contents of address control.
       
   186         *
       
   187         * @param aArray
       
   188         * @return
       
   189         */
       
   190         IMPORT_C TInt RefreshL( const CMsgRecipientArray& aArray );
       
   191 
       
   192         /**
       
   193         * Highlights the found unverified entry.
       
   194         * @return
       
   195         */
       
   196         IMPORT_C TInt HighlightUnverifiedStringL();
       
   197 
       
   198         /**
       
   199         * Returns size of addresses.
       
   200         * @param aEntryCount      entry count
       
   201         * @param aSizeOfAddresses total size of addresses.
       
   202         * @return
       
   203         */
       
   204         IMPORT_C void GetSizeOfAddresses( TInt& aEntryCount, TInt& aSizeOfAddresses );
       
   205 
       
   206         /**
       
   207         * Highlight unvalidated entry.
       
   208         */
       
   209         IMPORT_C TInt HighlightUnvalidatedStringL();
       
   210 
       
   211         /**
       
   212         * Checks whether prior character is semicolon. Needed to variable
       
   213         *  selection key functionality in editors.
       
   214         * @param none
       
   215         * @return ETrue if it is, otherwise EFalse.
       
   216         */
       
   217         IMPORT_C TBool IsPriorCharSemicolonL() const;
       
   218 
       
   219         /**
       
   220        * Sets address highlighting for automatic find function on/off. 
       
   221        * 
       
   222        * @param    aValidHighlightable    ETrue for on / EFalse for off.
       
   223        * @return   none
       
   224        */
       
   225         IMPORT_C void SetAddressFieldAutoHighlight( TBool aValidHighlightable = EFalse );
       
   226 
       
   227         /**
       
   228        * Returns address highlighting value for automatic find function. 
       
   229        * 
       
   230        * @param
       
   231        * @return   aValidHighlightable    ETrue for on / EFalse for off.
       
   232        */
       
   233         IMPORT_C TBool AddressFieldAutoHighlight();
       
   234 
       
   235     public:   // from CMsgExpandableControl
       
   236 
       
   237         /**
       
   238         * Creates this control from resource.
       
   239         * @param aResourceId
       
   240         */
       
   241         void ConstructFromResourceL( TInt aResourceId );
       
   242 
       
   243         /**
       
   244         * Prepares control for viewing.
       
   245         * @param aEvent
       
   246         * @param aParam
       
   247         */
       
   248         void NotifyViewEvent( TMsgViewEvent aEvent, TInt aParam );
       
   249 
       
   250         /**
       
   251         * Reads control properties from resource.
       
   252         * @param aReader
       
   253         */
       
   254         void ReadControlPropertiesFromResourceL( TResourceReader& aReader );
       
   255 
       
   256         /**
       
   257         * Creates editor (CEikRichTextEditor) for the control from resource and returns
       
   258         * pointer to it.
       
   259         * @param aReader
       
   260         * @return
       
   261         */
       
   262         CMsgExpandableControlEditor* CreateEditorFromResourceL( TResourceReader& aReader );
       
   263 
       
   264         /**
       
   265         * Checks and returns control's edit permissions. Edit permissions are needed
       
   266         * to check in order to know whether some key press is allowed to pass
       
   267         * to the control or not.
       
   268         * @return
       
   269         */
       
   270         TUint32 EditPermission() const;
       
   271 
       
   272     public:   // from CCoeControl
       
   273 
       
   274         /**
       
   275         * Handles key events.
       
   276         * @param aKeyEvent
       
   277         * @param aType
       
   278         * @return
       
   279         */
       
   280         TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );
       
   281         
       
   282         /**
       
   283         * For handling dynamic layout switch.
       
   284         */
       
   285         void HandleResourceChange( TInt aType );
       
   286     
       
   287     public:  // from MEikEdwinObserver
       
   288 
       
   289         /**
       
   290         * Handle edwin events.
       
   291         * @param aEdwin
       
   292         * @param aEventType
       
   293         */
       
   294         void HandleEdwinEventL( CEikEdwin* aEdwin, TEdwinEvent aEventType );
       
   295         
       
   296     protected:   // from CMsgExpandableControl
       
   297     
       
   298         /**
       
   299         * Sets the correct layout for button.
       
   300         */    
       
   301         void LayoutButton();       
       
   302         
       
   303     protected:  // from CMsgBaseControl
       
   304 
       
   305         /**
       
   306         * Prepares for read only or non read only state.
       
   307         * @param aReadOnly
       
   308         */
       
   309         void PrepareForReadOnly( TBool aReadOnly );
       
   310 
       
   311     protected:  // from CCoeControl
       
   312 
       
   313         /**
       
   314         * This is called when the focus of the control is changed.
       
   315         * @param aDrawNow
       
   316         */
       
   317         void FocusChanged( TDrawNow aDrawNow );
       
   318         
       
   319     private:
       
   320 
       
   321         /**
       
   322         * Finds the next unverified string on entry and updates parsing info
       
   323         * correspondingly. Returns ETrue if found.
       
   324         * @param aEntryBuf
       
   325         * @return
       
   326         */
       
   327         TInt GetNextItemOnEntry( TDes& aEntryBuf );
       
   328 
       
   329         /**
       
   330         * Finds and returns an unverified string aEntryItem from aString starting at
       
   331         * position aStartPos. Returns a start position aStartPos and an end position
       
   332         * aEndPos of the searched range. Returns KErrNotFound if a string cannot be found.
       
   333         * @param aEntryItem
       
   334         * @param aEntryItem
       
   335         * @param aStartPos
       
   336         * @param aEndPos
       
   337         * @return
       
   338         */
       
   339         TInt ParseString( TDes& aEntryItem, const TPtrC& aString, TInt& aStartPos, TInt& aEndPos );
       
   340 
       
   341         /**
       
   342         * Formats and sets the cursor to the beginning of the formatted band.
       
   343         */
       
   344         void FormatAndSetCursorPosL( TInt aPos );
       
   345 
       
   346         /**
       
   347         *
       
   348         */
       
   349         inline void ResetParsingInfo();
       
   350 
       
   351         /**
       
   352         *
       
   353         * @param aEntryNum
       
   354         * @param aStartPos
       
   355         * @param aStartPos
       
   356         */
       
   357         inline void SetParsingInfo( TInt aEntryNum, TInt aStartPos, TInt aEndPos );
       
   358         
       
   359         /**
       
   360         * Removes highlighted entry.
       
   361         */
       
   362         void RemoveHighlightedEntryL();
       
   363         
       
   364         /**
       
   365         * Creates button with label text.
       
   366         */
       
   367         void CreateButtonL();
       
   368         
       
   369     private:
       
   370 
       
   371         TParsingInfo iParsingInfo;
       
   372         TBool iDuplicateEvent;
       
   373 
       
   374         CMsgRecipientArray* iRecipientArray;
       
   375     };
       
   376 
       
   377 #include <MsgAddressControl.inl>
       
   378 
       
   379 #endif // CMSGADDRESSCONTROL_H
       
   380 
       
   381 // End of File