upnpsharing/upnpsharingalgorithm/inc/upnpcdsliteobjectarray.h
branchIOP_Improvements
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39:6369bfd1b60d 40:08b5eae9f9ff
       
     1 /*
       
     2 * Copyright (c) 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: Array to store the CUpnpCdsLiteObject objects
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef C_UPNP_CDS_LITE_OBJECT_ARRAY_H
       
    19 #define C_UPNP_CDS_LITE_OBJECT_ARRAY_H
       
    20 
       
    21 //  INCLUDES
       
    22 #include <e32base.h>
       
    23 
       
    24 // FORWARD DECLARATIONS
       
    25 class CUpnpCdsLiteObject;
       
    26 class CUpnpObject;
       
    27 
       
    28 /**
       
    29  * Defines the CUpnpCdsLiteObjectArray class. Used to store container/item
       
    30  * structure of the CDS.
       
    31  *
       
    32  * @lib upnpsharingalgorithm.lib
       
    33  * @since S60 5.2
       
    34  */
       
    35 class CUpnpCdsLiteObjectArray : public CBase
       
    36     {
       
    37 
       
    38     public: // Constructors and destructors
       
    39 
       
    40         /**
       
    41          * Two-phased constructor. Leaves in case of out-of-memory.
       
    42          *
       
    43          * @since S60 5.2
       
    44          * @return array of cdsliteobjects
       
    45          */
       
    46         IMPORT_C static CUpnpCdsLiteObjectArray* NewL();
       
    47 
       
    48         /**
       
    49          * Destructor.
       
    50          *
       
    51          * @since S60 5.2
       
    52          */
       
    53         IMPORT_C virtual ~CUpnpCdsLiteObjectArray();
       
    54 
       
    55     public: // Business logic methods
       
    56 
       
    57         /**
       
    58         * Adds one object to the array. Ownership of the object is transfered.
       
    59         * Leaves with KErrArgument if the given object is not valid.
       
    60         *
       
    61         * @since S60 5.2
       
    62         * @param aObject, the object
       
    63         */
       
    64         IMPORT_C void AppendL( CUpnpCdsLiteObject *aObject );
       
    65 
       
    66         /**
       
    67         * Adds one object to the array. Leaves with KErrArgument if the given
       
    68         * object is not valid.
       
    69         *
       
    70         * @since S60 5.2
       
    71         * @param aObject, the UPnPObject object
       
    72         */
       
    73         IMPORT_C void AppendL( const CUpnpObject *aObject );
       
    74 
       
    75         /**
       
    76         * Finds a CUpnpCdsLiteObject object from the array. Returns
       
    77         * KErrNotFound if object not found.
       
    78         *
       
    79         * @since S60 5.2
       
    80         * @param aName, title of a container / filename
       
    81         * @return index of the array where the object resides
       
    82         */
       
    83         IMPORT_C TInt FindByName( TDesC8& aName );
       
    84 
       
    85         /**
       
    86         * Finds a CUpnpCdsLiteObject object with defined parent id
       
    87         * from the array. Returns KErrNotFound if object not found.
       
    88         *
       
    89         * @since S60 5.2
       
    90         * @param aName, title of a container / filename
       
    91         * @param aParentId, parent id of a container / filename
       
    92         * @return index of the array where the object resides
       
    93         */
       
    94         IMPORT_C TInt FindByNameAndParentId( const TDesC8& aName,
       
    95                                     const TDesC8& aParentId );
       
    96 
       
    97         /**
       
    98         * Finds a CUpnpCdsLiteObject object that have defined media
       
    99         * class and parent id. Returns KErrNotFound if object not found.
       
   100         *
       
   101         * @since S60 5.2
       
   102         * @param aMediaClass, class type of a container / filename
       
   103         * @param aParentId, parent id of a container / filename
       
   104         * @return index of the array where the object resides
       
   105         */
       
   106         IMPORT_C TInt FindByMediaClassAndParentId( const TDesC8& aMediaClass,
       
   107                                           const TDesC8& aParentId );
       
   108 
       
   109         /**
       
   110         * Finds a CUpnpCdsLiteObject object from the array. Returns
       
   111         * KErrNotFound if object not found.
       
   112         *
       
   113         * @since S60 5.2
       
   114         * @param aObjectId, the object ID
       
   115         * @return index of the array where the object resides
       
   116         */
       
   117         IMPORT_C TInt FindByObjectId( const TDesC8& aObjectId );
       
   118 
       
   119         /**
       
   120         * Finds a CUpnpCdsLiteObject object index from the array using
       
   121         * original item's id as a search parameter. Returns KErrNotFound
       
   122         * if object not found.
       
   123         * Can leave with symbian error codes.
       
   124         *
       
   125         * @since S60 5.2
       
   126         * @param aOriginalId, original item id
       
   127         * @return index of the array where the object resides
       
   128         */
       
   129         IMPORT_C TInt FindRefItemIdByOriginalIdL(
       
   130                                         const TDesC8& aOriginalId );
       
   131 
       
   132         /**
       
   133         * Returns the child count of a container
       
   134         *
       
   135         * @since S60 5.2
       
   136         * @param aParentId, parent object id
       
   137         * @return child count
       
   138         */
       
   139         IMPORT_C TInt ChildCount( const TDesC8& aParentId );
       
   140 
       
   141         /**
       
   142         * Returns the object count of the array
       
   143         *
       
   144         * @since S60 5.2
       
   145         * @return item count
       
   146         */
       
   147         IMPORT_C TInt Count( );
       
   148 
       
   149         /**
       
   150         * Returns an object from the array. Does not remove the object from
       
   151         * the array. Leaves with KErrArgument if the given index is out of
       
   152         * bounds.
       
   153         *
       
   154         * @since S60 5.2
       
   155         * @param aIndex, index of the array
       
   156         * @return the object
       
   157         */
       
   158         IMPORT_C CUpnpCdsLiteObject& ObjectAtL( TUint aIndex );
       
   159 
       
   160         /**
       
   161         * Removes an object from the array. Leaves with KErrArgument if the
       
   162         * given index is out of bounds.
       
   163         *
       
   164         * @since S60 5.2
       
   165         * @param aIndex, index of the array
       
   166         */
       
   167         IMPORT_C void RemoveObjectAtL( TUint aIndex );
       
   168 
       
   169         /**
       
   170         * Searches the array looking for the matching item, if one is found
       
   171         * it is removed from the array. Leaves with KErrArgument if the given
       
   172         * object is not valid.
       
   173         *
       
   174         * @since S60 5.2
       
   175         * @param aObject, the UPnPObject object
       
   176         */
       
   177         IMPORT_C void RemoveL( const CUpnpObject *aObject );
       
   178 
       
   179     private: // Private business logic methods
       
   180 
       
   181         /**
       
   182         * Creates an CUpnpCdsLiteObject. Leaves with KErrArgument if the
       
   183         * given object is not valid.
       
   184         *
       
   185         * @since S60 5.2
       
   186         * @param aObject, the UPnPObject object
       
   187         * @return a new CUpnpCdsLiteObject
       
   188         */
       
   189         CUpnpCdsLiteObject* CreateUpnpCdsLiteObjectL(
       
   190                                         const CUpnpObject *aObject );
       
   191 
       
   192         /**
       
   193         * Resolves the filename information from the given UpnpObject. Leaves
       
   194         * with KErrArgument if the given object is not valid.
       
   195         * Allocates memory for the returned descriptor. Does not handle the
       
   196         * freeing of the allocation.
       
   197         *
       
   198         * @since S60 5.2
       
   199         * @param aObject, the UPnPObject object
       
   200         * @return the filename (including path)
       
   201         */
       
   202         HBufC8* ResolveFileNameL( const CUpnpObject *aObject );
       
   203 
       
   204     private: // Constructors
       
   205 
       
   206         /**
       
   207          * Default c++ constructor
       
   208          *
       
   209          * @since S60 5.2
       
   210          */
       
   211         CUpnpCdsLiteObjectArray() {};
       
   212 
       
   213         /**
       
   214          * Second-phase constructor.
       
   215          *
       
   216          * @since S60 5.2
       
   217          */
       
   218         void ConstructL() {};
       
   219 
       
   220     private: // Data members
       
   221 
       
   222         /**
       
   223          * The array of objects. Owned.
       
   224          */
       
   225         RPointerArray<CUpnpCdsLiteObject>   iArray;
       
   226 
       
   227     };
       
   228 
       
   229 #endif /* C_UPNP_CDS_LITE_OBJECT_ARRAY_H */
       
   230 //  End of File