1 /*

     2 * Copyright (c) 2007-2009 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:  ESMR calendar entry conflict checker

    15 *

    16 */

    17 

    18 

    19 #ifndef CESMRCONFLICTCHECKER_H

    20 #define CESMRCONFLICTCHECKER_H		

    21 

    22 #include <e32base.h>

    23 

    24 class CCalEntry;

    25 class MESMRCalDbMgr;

    26 

    27 /**

    28  *  CESMRConflictChecker is responsible for finding

    29  *  conflicting entries from symbian calendar database.

    30  *

    31  *  @lib esmrentry.lib

    32  */

    33 NONSHARABLE_CLASS(CESMRConflictChecker) :

    34         public CBase

    35     {

    36 public: // Construction and destruction

    37     /**

    38      * Two-phased constructor. Creates and initializes

    39      * CESMRConflictChecker object.

    40      * @param aDbMgr Reference to cal db manager.

    41      * @return Pointer to esmr policy checker object.

    42      */

    43     static CESMRConflictChecker* NewL(

    44             MESMRCalDbMgr& aDbMgr );

    45 

    46     /**

    47      * C++ destructor.

    48      */

    49     ~CESMRConflictChecker();

    50 

    51 public: // Interface

    52     /**

    53      * Finds conflicting entries. Conflicting entries are

    54      * stored to table given as parameter. Ownership of the

    55      * conflicting entries are transferred to caller.

    56      *

    57      * @param aEntry Reference to calendar entry

    58      * @param aConflicts Reference to calendar entry table

    59      */

    60     void FindConflictsL(

    61             const CCalEntry& aEntry,

    62             RPointerArray<CCalEntry>& aConflicts );

    63 

    64     /**

    65      * Finds instances for this entry occuring between specified

    66      * time range.

    67      * @param aStart Start time

    68      * @param aEnd End time

    69      * @param aEntry Reference to entry

    70      * @param aInstances On return contains the instances 

    71      * 

    72      */

    73     void FindInstancesForEntryL(

    74             TTime aStart, 

    75             TTime aEnd,

    76             const CCalEntry& aEntry,

    77             RPointerArray<CCalEntry>& aInstances );

    78 

    79 private: // Implementation

    80     CESMRConflictChecker(

    81             MESMRCalDbMgr& aDbMgr );

    82 

    83 private: // Data

    84     /// Ref: Reference to cal db manager

    85     MESMRCalDbMgr& iDbMgr;

    86     };

    87 

    88 #endif // CESMRCONFLICTCHECKER_H

    89 

    90 // EOF