mpxplugins/serviceplugins/collectionplugins/mpxinmemoryplugin/inc/mpxmusicmemoryplugin.h
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     1 /*
       
     2 * Copyright (c) 2006 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:  Music derivative of the in-memory plugin
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef CMPXMUSICMEMORYPLUGIN_H
       
    20 #define CMPXMUSICMEMORYPLUGIN_H
       
    21 
       
    22 #include <apgcli.h>
       
    23 #include "mpxinmemoryplugin.h"
       
    24 
       
    25 // FORWARD DECLARATIONS
       
    26 class CMPXMetadataExtractor;
       
    27 
       
    28 /**
       
    29  *  Music Specific memory plugin
       
    30  *
       
    31  *  @lib mpx
       
    32  *  @since S60 ?S60_version *** for example, S60 v3.0
       
    33  */
       
    34 NONSHARABLE_CLASS( CMPXMusicMemoryPlugin ) : public CMPXInMemoryPlugin
       
    35     {
       
    36 public:
       
    37 
       
    38     /**
       
    39     * Two-phased constructor
       
    40     *
       
    41     * @param aInitParams, initialization parameter
       
    42     * @return object of constructed
       
    43     */
       
    44     static CMPXMusicMemoryPlugin* NewL();
       
    45 
       
    46     /**
       
    47     * destructor
       
    48     */
       
    49     virtual ~CMPXMusicMemoryPlugin();
       
    50 
       
    51 private:
       
    52 
       
    53     /**
       
    54     * From CMPXCollectionPlugin     
       
    55     * Get the extended properties of the current file (async)
       
    56     * @param aPath: a path   
       
    57     * @param aAttrs: array of attributes requested             
       
    58     * @param aCaps platsec capabilities of client requesting media; plug-in should also
       
    59     *        verify its process capabilities
       
    60     * @aParam aSpecs, specifications for attributes
       
    61     */
       
    62     void MediaL(const CMPXCollectionPath& aPath, 
       
    63                 const TArray<TMPXAttribute>& aAttrs,
       
    64                 const TArray<TCapability>& aCaps,
       
    65                 CMPXAttributeSpecs* aSpecs);
       
    66 
       
    67     /**
       
    68     * Extract metadata for a given media object
       
    69     * metadata will be extracted if a URI exists
       
    70     * @param aUri, uri for the item
       
    71     * @param attrs, attributes requested
       
    72     * @return new CMPXMedia object or NULL if bad
       
    73     */
       
    74     CMPXMedia* ExtractMetadataL( const TDesC& aUri, 
       
    75                                  const TArray<TMPXAttribute>& aAttrs );
       
    76     
       
    77                                                                        
       
    78     /**
       
    79     * Set all the attributes in CMPXMedia corresponding to KMPXMediaIdDrm
       
    80     * @param aMedia, media to update
       
    81     * @param aDrmAttributes, bitwise or of the flags we want
       
    82     * @param aDrmMedia, aMedia with drm attributes
       
    83     */
       
    84     void DoSetMediaDrmL(CMPXMedia& aMedia, 
       
    85                         const TArray<TMPXAttribute>& aAttrs, 
       
    86                         const TDesC& aLocation );
       
    87 private:
       
    88 
       
    89     /**
       
    90     * Constructor
       
    91     */
       
    92     CMPXMusicMemoryPlugin();
       
    93 
       
    94     /**
       
    95     * 2nd phased constructor
       
    96     */
       
    97     void ConstructL();
       
    98 
       
    99 private: // data
       
   100     CMPXMetadataExtractor*  iMetadataExtractor; // Metadata extractor
       
   101     RFs                     iFs;                // File Session
       
   102     RApaLsSession           iAppArc;            // App arc, dummy
       
   103     RArray<TMPXAttribute>   iAttributes;        // List of attributes to fetch
       
   104     };
       
   105 
       
   106 #endif // CMPXMUSICMEMORYPLUGIN_H