multimediacommscontroller/mmcccontroller/inc/mccresourceiterators.h
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     1 /*
       
     2 * Copyright (c) 2007 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:    
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef MCCRESOURCEITERATORS_H
       
    22 #define MCCRESOURCEITERATORS_H
       
    23 
       
    24 #include <e32std.h>
       
    25 
       
    26 class CMccResourceContainer;
       
    27 class CMccResourceItem;
       
    28 class TMccResourceParams;
       
    29 
       
    30 enum TMccIteratorMatchType
       
    31     {
       
    32     ExactMatch,
       
    33     ExactReverseMatch    
       
    34     };
       
    35         
       
    36         
       
    37 /**
       
    38  * Resource container iterator.
       
    39  *
       
    40  * @lib 
       
    41  */
       
    42 class TMccResourceContainerIterator
       
    43     {
       
    44     public: // Constructors & Destructor
       
    45 
       
    46         TMccResourceContainerIterator( const RPointerArray<CMccResourceContainer>& aContainers );
       
    47 
       
    48         TMccResourceContainerIterator( const RPointerArray<CMccResourceContainer>& aContainers,
       
    49                                        TMccResourceParams& aResourceParams );
       
    50         
       
    51         TMccResourceContainerIterator( const RPointerArray<CMccResourceContainer>& aContainers,
       
    52                                        TUint32 aEndpointId );
       
    53         
       
    54     public: // new functions
       
    55                             
       
    56          TBool Next( CMccResourceContainer*& aCandidate,
       
    57                      TMccIteratorMatchType aMatchType = ExactMatch );
       
    58         
       
    59          void Reset();
       
    60          
       
    61          TInt Current();
       
    62          
       
    63          TBool IsEof(); 
       
    64          
       
    65          TInt Delete( RPointerArray<CMccResourceContainer>& aContainers );
       
    66 
       
    67     private: // NOT owned data
       
    68 
       
    69         const RPointerArray<CMccResourceContainer>& iContainers;
       
    70 
       
    71         TInt iCurrentIndex;
       
    72         
       
    73         TMccResourceParams* iResourceParams;
       
    74         
       
    75         TUint32 iEndpointId;
       
    76     
       
    77     };
       
    78 
       
    79 /**
       
    80  * Resource item iterator.
       
    81  *
       
    82  * @lib 
       
    83  */
       
    84 class TMccResourceItemIterator
       
    85     {
       
    86     public: // Constructors & Destructor
       
    87 
       
    88         TMccResourceItemIterator( 
       
    89             const RPointerArray<CMccResourceItem>& aItems,
       
    90             TBool aOnlyInternals = EFalse,
       
    91             TBool aOnlySinks = EFalse,
       
    92             TBool aOnlySources = EFalse );
       
    93 
       
    94         TMccResourceItemIterator( 
       
    95             const RPointerArray<CMccResourceItem>& aItems, 
       
    96             TUid aUid );
       
    97             
       
    98         TMccResourceItemIterator( 
       
    99             const RPointerArray<CMccResourceItem>& aItems,
       
   100             TUid aUid,
       
   101             TMccResourceParams& aResourceParams );
       
   102         
       
   103         TMccResourceItemIterator( 
       
   104             const RPointerArray<CMccResourceItem>& aItems,
       
   105             TMccResourceParams& aResourceParams );
       
   106         
       
   107         TMccResourceItemIterator( 
       
   108             const RPointerArray<CMccResourceItem>& aItems,
       
   109             TUint32 aEndpointId );
       
   110         
       
   111     public: // new functions
       
   112                             
       
   113          TBool Next( CMccResourceItem*& aCandidate,
       
   114                      TMccIteratorMatchType aMatchType = ExactMatch );
       
   115         
       
   116          void Reset();
       
   117          
       
   118          TInt Current();
       
   119          
       
   120          TBool IsEof(); 
       
   121 
       
   122     private: // NOT owned data
       
   123 
       
   124         const RPointerArray<CMccResourceItem>& iItems;
       
   125 
       
   126         TInt iCurrentIndex;
       
   127         
       
   128         TBool iOnlyInternals;
       
   129         
       
   130         TBool iOnlySinks;
       
   131         
       
   132         TBool iOnlySources;
       
   133         
       
   134         TUid iUid;
       
   135         
       
   136         TMccResourceParams* iResourceParams;
       
   137         
       
   138         TUint32 iEndpointId;
       
   139     
       
   140     };
       
   141 
       
   142 #endif //MCCRESOURCEITERATORS_H
       
   143