filedetails/filedetailsdialog/inc/MediaPlayerDrmHelper.h
branchRCL_3
changeset 23 befca0ec475f
parent 0 96612d01cf9f
equal deleted inserted replaced
22:839377eedc2b 23:befca0ec475f
       
     1 /*
       
     2 * Copyright (c) 2004 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:   DRM helper for Media files.*
       
    15 */
       
    16 
       
    17 
       
    18 
       
    19 #ifndef MEDIAPLAYERDRMHELPER_H
       
    20 #define MEDIAPLAYERDRMHELPER_H
       
    21 
       
    22 // INCLUDES
       
    23 #include <e32std.h>
       
    24 #include <MPFileDetails.h>  
       
    25 
       
    26 // FORWARD DECLARATIONS
       
    27 class CDRMHelper;
       
    28 class CDRMHelperRightsConstraints;
       
    29 class MDesCArray;
       
    30 class CCoeEnv;
       
    31 class CMPFileDetails;
       
    32 namespace DRM
       
    33 {
       
    34 class CDrmUtility;	
       
    35 class CDrmUiHandling;
       
    36 }
       
    37 
       
    38 // CONSTANTS
       
    39 const TInt KMediaPlayerRightsAboutToExpire = -40000;
       
    40 
       
    41 // CLASS DECLARATION
       
    42 
       
    43 /**
       
    44 *  DRM helper for Media files.
       
    45 *
       
    46 *  @lib MPFileDetailsDialog.lib
       
    47 *  @since 3.2
       
    48 */
       
    49 NONSHARABLE_CLASS( CMediaPlayerDrmHelper ) : public CBase
       
    50     {
       
    51     public:  // Constructors and destructor
       
    52 
       
    53         /**
       
    54         * Two-phased constructor called by CMPVideoPlayerUIController class
       
    55         * @param aDrmHelper Pointer to CDRMHelper class. Ownership is not transferred.
       
    56         */
       
    57         static CMediaPlayerDrmHelper* NewL(CDRMHelper* aDrmHelper, CMPVideoPlayerUIController* aUIController);
       
    58 
       
    59         /**
       
    60         * Two-phased constructor called by CMPFileDetailsDialog class or MediaPlayerUtility class
       
    61         * @param aDrmHelper Pointer to CDRMHelper class. Ownership is not transferred.
       
    62         */
       
    63         static CMediaPlayerDrmHelper* NewL(CDRMHelper* aDrmHelper );
       
    64 
       
    65         /**
       
    66         * Destructor.
       
    67         */
       
    68         virtual ~CMediaPlayerDrmHelper();
       
    69 
       
    70     public: // New functions
       
    71 
       
    72         /**
       
    73         * Loads usage rights information for a particular media file using
       
    74         * CDRMHelper. The loaded constraint is DRMCommon::EPlay.
       
    75         * @since 3.2
       
    76         * @param aFileName File path, which usage rights info is loaded.
       
    77         */
       
    78         void LoadDrmUsageRightsInfoL(const TDesC& aFileName);
       
    79 
       
    80         /**
       
    81         * Loads usage rights information for a particular media file using
       
    82         * CDRMHelper. The loaded constraint is DRMCommon::EPlay.
       
    83         * @since 3.2
       
    84         * @param aFile File handle, which usage rights info is loaded.
       
    85         */
       
    86         void LoadDrmUsageRightsInfoL(
       
    87 #ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API
       
    88                                      RFile64& aFile);
       
    89 #else
       
    90                                      RFile& aFile);
       
    91 #endif // SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API
       
    92 
       
    93         /**
       
    94         * Gets usage rigths status.
       
    95         * @since 3.2
       
    96         * @param aStatus:
       
    97         *           EMediaPlayerDrmFull:        Full rights
       
    98         *           EMediaPlayerDrmMissing:     Rights missing
       
    99         *           EMediaPlayerDrmRestricted:  Restricted rights
       
   100         *           EMediaPlayerDrmExpired:     Expired rights (could be also future rights)
       
   101         *           EMediaPlayerDrmPreview:     Preview rights
       
   102         */
       
   103         void GetDrmUsageRightsStatus(TMediaPlayerRightsStatus& aStatus);
       
   104 
       
   105         /**
       
   106         * Gets start time of time based rights.
       
   107         * @since 3.2
       
   108         * @param aStartTime Start time.
       
   109         * @return Error code:
       
   110         *           KErrNone:       Start time returned.
       
   111         *           KErrNotFound:   Object doesn't have time based rights.
       
   112         *           KErrNotReady:   Usage rights info not loaded.
       
   113         */
       
   114         TInt GetDrmStartTime(TTime& aStartTime);
       
   115 
       
   116         /**
       
   117         * Get pointer to DRMHelper object (as given in constructor).
       
   118         * @since 3.2
       
   119         * @return Pointer to DRMHelper. Ownership not transferred.
       
   120         */
       
   121         CDRMHelper* DrmHelper(); 
       
   122 
       
   123         /**
       
   124         * Creates a file handle to the file passed in the aName parameter.
       
   125         * @param aHandle      Handle to a file
       
   126         * @param aName        Name of the file
       
   127         * @param aFileMode    Mode to open file handle in
       
   128         */
       
   129         static void CreateFileHandleLC(
       
   130 #ifdef SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API
       
   131                                        RFile64& aHandle, 
       
   132 #else
       
   133                                        RFile& aHandle, 
       
   134 #endif // SYMBIAN_ENABLE_64_BIT_FILE_SERVER_API
       
   135                                        const TDesC& aName, 
       
   136 									   TUint aFileMode);
       
   137 
       
   138     private: // Private contructors
       
   139 
       
   140         /**
       
   141         * C++ default constructor.
       
   142         */
       
   143         CMediaPlayerDrmHelper(CDRMHelper* aDrmHelper, CMPVideoPlayerUIController* aUIController);
       
   144 
       
   145         /**
       
   146         * C++ default constructor.
       
   147         */
       
   148         CMediaPlayerDrmHelper(CDRMHelper* aDrmHelper );
       
   149 
       
   150         /**
       
   151         * By default Symbian 2nd phase constructor is private.
       
   152         */
       
   153         void ConstructL();
       
   154 
       
   155     private:    // Data
       
   156 
       
   157         CDRMHelper* iDrmHelper;
       
   158         HBufC* iFileName;
       
   159         CDRMHelperRightsConstraints* iRightsConstraints;
       
   160         CCoeEnv* iEnv;
       
   161         DRM::CDrmUtility* iDrmUtility;  // not owned
       
   162         DRM::CDrmUiHandling* iDrmUiHandling;
       
   163         TBool iOMAProtected; // ETrue if protected content is OMA, EFalse if it is WMDRM
       
   164 
       
   165         TBool iProtected;
       
   166         TBool iExpired;
       
   167         TBool iDrmSendingAllowed;
       
   168         HBufC8* iInfoUrl;
       
   169         HBufC8* iPreviewUri;
       
   170     };
       
   171 
       
   172 #endif      // MEDIAPLAYERDRMHELPER_H
       
   173 
       
   174 // End of File