videofeeds/utils/inc/CIptvIapList.h
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     1 /*
       
     2 * Copyright (c) 2006-2007 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 the License "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:    Class for handling groups of IAPs.*
       
    15 */
       
    16 
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef __CIPTVIAPLIST_H__
       
    22 #define __CIPTVIAPLIST_H__
       
    23 
       
    24 // INCLUDE FILES
       
    25 #include <s32mem.h>
       
    26 #include "TIptvIap.h"
       
    27 #include "CIptvUtil.h"
       
    28 #include <e32base.h>
       
    29 
       
    30 // CLASS DECLARATION
       
    31 /**
       
    32 * Class for handling groups of IAPs.
       
    33 * @lib IptvUtil.lib
       
    34 */
       
    35 class CIptvIapList: public CBase
       
    36     {
       
    37     public:
       
    38  
       
    39         /**
       
    40         * Constructor.
       
    41         */
       
    42         IMPORT_C static CIptvIapList* NewL();
       
    43         
       
    44         /**
       
    45         * Destructor.
       
    46         */
       
    47         IMPORT_C ~CIptvIapList();
       
    48             
       
    49         /**
       
    50          * Adds Internet access point.\n
       
    51          * Maximum of KIptvSmServicesDbMaxIaps access points are allowed,\n
       
    52          * function call fails if tried to add more.\n
       
    53          *
       
    54          * @param  aIap IAP to add.
       
    55          * @return      System wide error code.
       
    56          */
       
    57         IMPORT_C TInt AddIap(TIptvIap& aIap);
       
    58 
       
    59         /**
       
    60          * Adds Internet access point.\n
       
    61          * If you add more than KIptvSmServicesDbMaxIaps IAPs with this method,
       
    62          * don't send them to Service Manager.
       
    63          *
       
    64          * @param aIap       IAP to add.
       
    65          * @param aIgnoreMax If ETrue, ignores KIptvSmServicesDbMaxIaps limit.
       
    66          * @return           System wide error code.
       
    67          */
       
    68         IMPORT_C TInt AddIap(TIptvIap& aIap, TBool aIgnoreMax);
       
    69         
       
    70         /**
       
    71          * Deletes Internet access point.\n
       
    72          *
       
    73          * @param aIndex Index of the IAP to delete.
       
    74          * @return       KErrNone on success, KErrNotFound if not found.
       
    75          */
       
    76         IMPORT_C TInt DeleteIap(TUint8 aIndex);
       
    77 
       
    78         /**
       
    79          * Deletes Internet access point.\n
       
    80          *
       
    81          * @param aIap IAP to delete, iId member is used to identify IAPs.
       
    82          * @return     KErrNone on success, KErrNotFound if not found.
       
    83          */
       
    84         IMPORT_C TInt DeleteIap(TIptvIap& aIap);
       
    85 
       
    86         /**
       
    87          * Modifies Internet access point.
       
    88          *
       
    89          * @param aIndex  Index of the access point to modify.
       
    90          * @param aIap    New access point.
       
    91          * @return        System wide error code.
       
    92          */		
       
    93         IMPORT_C TInt ModifyIap(TUint8 aIndex, TIptvIap& aIap);
       
    94         
       
    95         /**
       
    96          * Returns Internet access point. Leaves with KErrOverFlow
       
    97          * if index is out of range.
       
    98          *
       
    99          * @param aIndex Index of the IAP on the list.
       
   100          * @return       Reference to TIptvIap.
       
   101          */
       
   102         IMPORT_C TIptvIap& IapL( TUint8 aIndex );
       
   103 
       
   104         /**
       
   105          * Gets IAP from aIndex position. 
       
   106          *
       
   107          * @param aIndex Index of the IAP on the list.
       
   108          * @param aIap   IAP values are written here.
       
   109          * @return Returns KErrOverFlow if aIndex is out of bounds.
       
   110          */
       
   111         IMPORT_C TInt GetIap( TUint8 aIndex, TIptvIap& aIap );
       
   112         
       
   113         /**
       
   114          * Gets Internet access point count.
       
   115          *
       
   116          * @return Internet access point count.
       
   117          */
       
   118         IMPORT_C TUint8 Count();
       
   119         
       
   120         /**
       
   121          * Externalizes this object to aStream.
       
   122          *
       
   123          * @param aStream
       
   124          */
       
   125         IMPORT_C void ExternalizeL(RDesWriteStream& aStream) const;
       
   126 
       
   127         /**
       
   128          * Internalizes this object from aStream.
       
   129          *
       
   130          * @param aStream
       
   131          */
       
   132         IMPORT_C void InternalizeL(RDesReadStream& aStream);
       
   133 
       
   134         /**
       
   135          * Counts the memory block needed for the externalize call.
       
   136          *
       
   137          * @return Memory size (in bytes) needed for the externalize.
       
   138          */        
       
   139         IMPORT_C TUint32 CountExternalizeSize();
       
   140 
       
   141         /**
       
   142          * Set this object from aIapList (Copies data).
       
   143          *
       
   144          * @param aIapList
       
   145          */                
       
   146         IMPORT_C void SetL(CIptvIapList& aIapList);
       
   147         
       
   148         /**
       
   149          * Sorts the list, the highest priority to index 0, 2nd highest to 1, and so on.
       
   150          */
       
   151         IMPORT_C void SortByPriorityL();
       
   152         
       
   153         /**
       
   154          * Finds the first occurance of IAP which has aIapId as ID.
       
   155          *
       
   156          * @param aIapId IAP ID in CommsDB.
       
   157          * @param aIndex Index of the found IAP
       
   158          * @return       System-wide error code.
       
   159          */
       
   160         IMPORT_C TInt FindIap(TUint32 aIapId, TUint8& aIndex);
       
   161 
       
   162     private:
       
   163     
       
   164         /**
       
   165          * Does the leaving part of the construction.
       
   166          */
       
   167         void ConstructL();
       
   168 
       
   169         /**
       
   170          * Gets index which has the highest priority IAP in it.
       
   171          *
       
   172          * @return List index
       
   173          */                
       
   174         TUint8 GetHighestPriorityIapIndexL();
       
   175 
       
   176         /*
       
   177         * Constructor.
       
   178         */
       
   179         CIptvIapList();
       
   180         
       
   181     private:
       
   182     
       
   183         /*
       
   184         * Array of IAPs.
       
   185         */
       
   186         RArray<TIptvIap> iIapList;
       
   187     };
       
   188 
       
   189 #endif // __CIPTVIAPLIST_H__