upnpharvester/common/cmsqlwrapper/inc/cmsqlmain.h
branchIOP_Improvements
changeset 40 08b5eae9f9ff
parent 39 6369bfd1b60d
child 41 b4d83ea1d6e2
equal deleted inserted replaced
39:6369bfd1b60d 40:08b5eae9f9ff
     1 /*
       
     2 * Copyright (c) 2008 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:      Main class in the SQL wrapper component
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 
       
    23 #ifndef C_CMSQLMAIN_H
       
    24 #define C_CMSQLMAIN_H
       
    25 
       
    26 #include <e32base.h>
       
    27 #include "mcmsqlmain.h"
       
    28 
       
    29 // Forward declarations
       
    30 class RFs;
       
    31 
       
    32 /**
       
    33  *  CCmSqlMain class ( Interface to sql wrapper )
       
    34  *  Part of SQL wrapper. SQL wrapper is part of
       
    35  *  Content manager component.
       
    36  *
       
    37  *  @lib cmsqlwrapper.lib
       
    38  *
       
    39  *  @since S60 5.1
       
    40  */
       
    41 class CCmSqlMain : public CBase,
       
    42                    public MCmSqlMain
       
    43     {
       
    44 
       
    45 public:
       
    46 
       
    47     /**
       
    48      * Two-phased constructor.
       
    49      *
       
    50      * @since S60 5.1
       
    51      * @param aFs, ref to file server session
       
    52      * @return  pointer to CCmSqlMain class
       
    53      */
       
    54     static CCmSqlMain* NewL( RFs& aFs );
       
    55     
       
    56     /**
       
    57      * Two-phased constructor.
       
    58      *
       
    59      * @since S60 5.1
       
    60      * @param aFs, ref to file server session
       
    61      * @return  pointer to CCmSqlMain class
       
    62      */
       
    63     static CCmSqlMain* NewLC( RFs& aFs );
       
    64 
       
    65     /**
       
    66      * Destructor.
       
    67      */
       
    68     virtual ~CCmSqlMain();
       
    69 
       
    70     /**
       
    71      * Canceling operation
       
    72      *
       
    73      * @since S60 5.1
       
    74      * @param None
       
    75      * @return None
       
    76      */
       
    77     void CancelAsyncOperation();
       
    78 
       
    79     /**
       
    80      * Setting media server id
       
    81      *
       
    82      * @since S60 5.1
       
    83      * @param aId, id to be used
       
    84      * @return None
       
    85      */ 
       
    86     void SetMsId( TUint aId );
       
    87 
       
    88     /**
       
    89      * Setting mmc quota
       
    90      *
       
    91      * @since S60 5.1
       
    92      * @param aQuota, quota to be used in unlimited fill lists
       
    93      * @return None
       
    94      */     
       
    95     void SetQuota( TInt64 aQuota );
       
    96 
       
    97     /**
       
    98      * Setting dlna profile filters
       
    99      *
       
   100      * @since S60 5.1
       
   101      * @param aProfileIds, unsupported profile ids
       
   102      * @return None
       
   103      */    
       
   104     void SetDlnaProfileFilters( const RArray<TInt64>& aProfileIds );
       
   105      
       
   106     /**
       
   107      * Asyncronous batch add
       
   108      *
       
   109      * @since S60 5.1
       
   110      * @param aItems, items to be added
       
   111      * @param aStatus, request status to be completed
       
   112      * @return None
       
   113      */
       
   114     void AsyncBatchAdd( RPointerArray<CCmSqlGenericItem>& aItems, 
       
   115         TRequestStatus& aStatus );
       
   116 
       
   117     /**
       
   118      * Asyncronous batch property value add
       
   119      *
       
   120      * @since S60 5.1
       
   121      * @param aItems, property items to be added
       
   122      * @param aField, property identifier
       
   123      * @param aStatus, request status to be completed
       
   124      * @return None
       
   125      */ 
       
   126     void AsyncBatchAddPropertyItems( 
       
   127          RPointerArray<CCmSqlPropertyItem>& aItems, TCmMetadataField aField, 
       
   128          TRequestStatus& aStatus );
       
   129 
       
   130     /**
       
   131      * Syncronous property value add
       
   132      *
       
   133      * @since S60 5.1
       
   134      * @param aItem, property item to be added
       
   135      * @param aField, property identifier     
       
   136      * @return None
       
   137      */         
       
   138     void SyncAddPropertyItemL( CCmSqlPropertyItem& aItem, 
       
   139         TCmMetadataField aField );
       
   140     
       
   141     /**
       
   142      * Asyncronous batch delete
       
   143      *
       
   144      * @since S60 5.1
       
   145      * @param aItems, items to be deleted
       
   146      * @param aStatus, request status to be completed
       
   147      * @return None
       
   148      */       
       
   149     void AsyncBatchDelete( RPointerArray<CCmSqlBaseItem>& aItems, 
       
   150         TRequestStatus& aStatus );
       
   151 
       
   152     /**
       
   153      * Asyncronous metadata delete
       
   154      *
       
   155      * @since S60 5.1
       
   156      * @param aMsIds, defines where metadata is harvested
       
   157      * @param aStatus, request status to be completed
       
   158      * @return None
       
   159      */ 
       
   160     void AsyncMetadataDelete( RArray<TInt>& aMsIds, 
       
   161         TRequestStatus& aStatus );
       
   162 
       
   163     /**
       
   164      * SELECT XXX oldest and delete those
       
   165      * Delete defined amount of media items
       
   166      *
       
   167      * @since S60 5.1
       
   168      * @param aType, media type identifier
       
   169      * @param aCount, amount to be deleted
       
   170      * @return None
       
   171      */    
       
   172     void DeleteOldestMediaItemsL( TCmMediaType aType, 
       
   173         TInt64 aCount );
       
   174 
       
   175     /**
       
   176      * Deletes unused propertys
       
   177      *
       
   178      * @since S60 5.1
       
   179      * @param None
       
   180      * @return None
       
   181      */     
       
   182     void DeleteUnusedPropertys( );
       
   183         
       
   184     /**
       
   185      * Asyncronous metadata query
       
   186      *
       
   187      * @since S60 5.1
       
   188      * @param aItems, result array reference
       
   189      * @param aStatus, request status to be completed
       
   190      * @return None
       
   191      */        
       
   192     void GetItemsL( RPointerArray<CCmSqlBaseItem>& aItems, 
       
   193         TRequestStatus& aStatus );
       
   194 
       
   195     /**
       
   196      * Asyncronous fill list item query
       
   197      *
       
   198      * @since S60 5.1
       
   199      * @param aItems, result array reference
       
   200      * @param aRule, fill list used as a query clause parameter
       
   201      * @param aStatus, request status to be completed
       
   202      * @return None 
       
   203      */
       
   204     void GetFillItemsL( RPointerArray<CCmFillListItem>& aItems,
       
   205         CCmFillRule& aRule, TRequestStatus& aStatus );
       
   206         
       
   207     /**
       
   208      * Asyncronous metadata property values query
       
   209      *
       
   210      * @since S60 5.1
       
   211      * @param aItems, result array reference
       
   212      * @param aStatus, request status to be completed     
       
   213      * @param aField, property identifier ( e.g. artist )
       
   214      * @param aMedia, media type identifier ( e.g. audio )
       
   215      * @return None
       
   216      */   
       
   217     void GetPropertyValuesL( 
       
   218         RPointerArray<CCmSqlPropertyItem>& aItems, TRequestStatus& aStatus, 
       
   219         TCmMetadataField aField, TCmMediaType aMedia = ECmAll );
       
   220 
       
   221     /**
       
   222      * Asyncronous metadata filtered property values query
       
   223      *
       
   224      * @since S60 5.1
       
   225      * @param aPropertys, result array reference
       
   226      * @param aStatus, request status to be completed     
       
   227      * @return None
       
   228      */         
       
   229     void GetFilteredPropertyValuesL( 
       
   230         CCmSqlPropertyCollector& aPropertys, TRequestStatus& aStatus );
       
   231 
       
   232      /**
       
   233      * Returns amount of media items
       
   234      *
       
   235      * @since S60 5.1
       
   236      * @param aCount, media amount on return
       
   237      * @param aType, media type
       
   238      * @return None
       
   239      */    
       
   240     void GetMediaCountL( TInt64& aCount, TCmMediaType aType );
       
   241     
       
   242      /**
       
   243      * Returns ETrue if item exist in db
       
   244      *
       
   245      * @since S60 5.1
       
   246      * @param aItem, item
       
   247      * @param aDevId, device id
       
   248      * @return ETrue if exists
       
   249      */ 
       
   250     TBool ExistsL( const CCmBaseListItem& aItem, const TInt aDevId );
       
   251     
       
   252     /**
       
   253      * Deletes the object
       
   254      *
       
   255      * @since S60 5.1
       
   256      * @param None
       
   257      * @return None     
       
   258      */
       
   259 	void Close();
       
   260 	
       
   261 private:
       
   262 
       
   263     /**
       
   264      * Performs the first phase of two phase construction.
       
   265      *
       
   266      * @since S60 5.1
       
   267      * @param aFs, file server
       
   268      * @return None
       
   269      */
       
   270     CCmSqlMain( RFs& aFs );
       
   271 
       
   272     /**
       
   273      * Performs the second phase construction.
       
   274      */
       
   275     void ConstructL();
       
   276     
       
   277 
       
   278 private:
       
   279 
       
   280     /**
       
   281      * Clause format class
       
   282      */
       
   283     CCmSqlDbClause* iClause;                        // Owned
       
   284     
       
   285     /**
       
   286      * Database maintenance class
       
   287      */
       
   288     CCmSqlDbMaintenance* iMaintenance;              // Owned
       
   289     
       
   290     /**
       
   291      * Database connection class
       
   292      */
       
   293     CCmSqlConnection* iConnection;                  // Owned
       
   294     
       
   295     /**
       
   296      * Reference to file server session
       
   297      */
       
   298     RFs& iFs;
       
   299 
       
   300     };
       
   301 
       
   302 #endif //  C_CMSQLMAIN_H