1 /*

     2 * Copyright (c) 2005 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:   This file declares all helper classes 

    15 *                for ScreenSaverAnimPlugin

    16 *

    17 */

    18 

    19 

    20 

    21 #ifndef C_SCREENSAVERANIMPLUGINHELPER_H

    22 #define C_SCREENSAVERANIMPLUGINHELPER_H

    23 

    24 //  INCLUDES

    25 #include <e32base.h>

    26 #include <MMGFetchVerifier.h>

    27 #include <cenrepnotifyhandler.h>

    28 

    29 // FORWARD DECLARATIONS

    30 class CDRMHelper;

    31 class CCoeEnv;

    32 class CScreenSaverAnimPlugin;

    33 class CRepository;

    34 

    35 // CLASS DECLARATION

    36 

    37 /**

    38 * Implementation for File Validity Check.

    39 * @since 3.1

    40 * @internal

    41 */

    42 class CScreenSaverAnimPluginVerifier : public CBase, public MMGFetchVerifier

    43     {

    44     public:  // Constructors and destructor

    45         

    46         /**

    47         * Two-phased constructor.

    48         */

    49         static CScreenSaverAnimPluginVerifier* NewL( 

    50                              CScreenSaverAnimPlugin* aFileVerify );

    51 

    52         /**

    53         * Destructor.

    54         */

    55         ~CScreenSaverAnimPluginVerifier();

    56 

    57     public: // Functions from base classes

    58 

    59         /**

    60         * From MFLDFileObserver.

    61         */

    62         TBool VerifySelectionL( const MDesCArray* aSelectedFiles );

    63 

    64     private:

    65 

    66         /**

    67         * C++ default constructor.

    68         */

    69         CScreenSaverAnimPluginVerifier( CScreenSaverAnimPlugin* aFileVerify );

    70 

    71         /**

    72         * By default Symbian 2nd phase constructor is private.

    73         */

    74         void ConstructL();

    75         void ShowErrorNoteL( TInt  aResourceId  ) const;

    76 

    77     private:    // Data

    78         // Own: DRM helper

    79         CDRMHelper* iDRMHelper;

    80         

    81         // Environment pointer

    82         CCoeEnv* iCoeEnv;

    83 

    84         CScreenSaverAnimPlugin* iFileVerify;

    85 

    86     };

    87     

    88     

    89 // CLASS DECLARATION

    90 

    91 /**

    92 * Helper Class to watch Central Repository Changes.

    93 * @since 3.1

    94 * @internal

    95 */    

    96 class CScreensaverRepositoryWatcher : public CBase, public MCenRepNotifyHandlerCallback

    97     {

    98 public:

    99     static CScreensaverRepositoryWatcher* NewL(

   100         const TUid aUid,

   101         const TUint32 aKey,

   102         CCenRepNotifyHandler::TCenRepKeyType aKeyType,

   103         TCallBack aCallBack,

   104         CRepository* aRepository );

   105 

   106     static CScreensaverRepositoryWatcher* NewL(

   107         const TUid aUid,

   108         TCallBack aCallBack,

   109         CRepository* aRepository );

   110 

   111     ~CScreensaverRepositoryWatcher();

   112 

   113     TUint32 ChangedKey();

   114 

   115 public: // from MCenRepNotifyHandlerCallback

   116     void HandleNotifyInt    ( TUint32 aKey, TInt aNewValue );

   117     void HandleNotifyString ( TUint32 aKey, const TDesC16& aNewValue );

   118     void HandleNotifyGeneric( TUint32 aKey );

   119     void HandleNotifyError  ( TUint32 aKey, TInt aError, CCenRepNotifyHandler* aHandler );

   120 

   121 private:

   122     CScreensaverRepositoryWatcher(

   123         const TUid aUid,

   124         const TUint32 aKey,

   125         TCallBack aCallBack,

   126         CRepository* aRepository );

   127 

   128     void ConstructL( CCenRepNotifyHandler::TCenRepKeyType aKeyType );

   129 

   130     void ConstructL();

   131 

   132 private:

   133     TUid                    iUid;

   134     TUint32                 iKey;

   135     TUint32                 iChangedKey;

   136     TCallBack               iCallBack;

   137     CRepository*            iRepository;

   138     CCenRepNotifyHandler*   iNotifyHandler;

   139 

   140     };

   141 

   142 #endif // C_SCREENSAVERANIMPLUGINHELPER_H

   143             

   144 // End of File