1 /*

     2 * Copyright (c) 2004 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:  Records AknLayoutFont registrations. List of pointers to CAknLayoutFont is

    15 *  maintained by AknEnv.

    16 *

    17 *

    18 */

    19 

    20 

    21 #ifndef AKNFONTREGISTRY_H

    22 #define AKNFONTREGISTRY_H

    23 

    24 #include <e32base.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class CFont;

    28 class CAknLayoutFont;

    29 

    30 /**

    31 * CAknLayoutFont registration.  This is implemented with an RArray of pointers.  They can be searched

    32 * to give a type check for the client to see if their CFont pointers are actually CAknLayoutFont pointers.

    33 *

    34 */

    35 NONSHARABLE_CLASS(CAknFontRegistry) : public CBase

    36     {

    37 public:

    38 	

    39     /**

    40     * Two-phased constructor.

    41     *

    42     * @return Fully constructed object if there was no Leave

    43     */

    44     static CAknFontRegistry* NewL();

    45    

    46     /** 

    47     * Called to put the CAknLayoutFont object's pointer in the list

    48     * @param    aFont   Pointer to a valid CAknLayoutFont-conformant object

    49     */

    50     void RegisterFont( const CAknLayoutFont* aFont );

    51 

    52     /** 

    53     * Called to remove the CAknLayoutFont object's pointer from the list. This will not

    54     * panic under OOM or if the pointer is not registered.

    55     * 

    56     * @param    aFont   Pointer to a valid CAknLayoutFont-conformant object

    57     */

    58     void DeRegisterFont( const CAknLayoutFont* aFont );

    59 

    60     /** 

    61     * Used to find out if a CFont is amoung the registered CAknLayoutFonts

    62     * @param    aFont   Pointer to a valid CFont-conformant object

    63     * @return   EFalse  iff the pointer is not in the registed CAknLayoutFont pointers

    64     */

    65     TBool IsRegistered( const CFont* aFont ) const;

    66 

    67     /** 

    68     * Destructor

    69     *

    70     */

    71     virtual ~CAknFontRegistry();

    72 

    73 private: 

    74     /** 

    75     * Default constructor

    76     */

    77     CAknFontRegistry();

    78 

    79     /**

    80     * @return index of the found font, or KErrNotFound

    81     */

    82     TInt FindFont( const CFont* aFont ) const;

    83 

    84 private:    // Data

    85     RPointerArray<CFont> iArray;

    86     };

    87 

    88 #endif // AKNFONTREGISTRY_H