omadrm/drmhelper/drmhelperserver/inc/MDRMHelper.h
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     1 /*
       
     2 * Copyright (c) 2003 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:  
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef __MDRMHELPER_H__
       
    20 #define __MDRMHELPER_H__
       
    21 
       
    22 //  INCLUDES
       
    23 // CONSTANTS
       
    24 // MACROS
       
    25 // DATA TYPES
       
    26 // FUNCTION PROTOTYPES
       
    27 // FORWARD DECLARATIONS
       
    28 class CDRMRightsConstraints;
       
    29 class TDataType;
       
    30 class CCoeEnv;
       
    31 
       
    32 // CLASS DECLARATION
       
    33 
       
    34 class MDRMHelper
       
    35     {
       
    36     public:
       
    37     
       
    38     enum TNotificationID
       
    39         {
       
    40         ETActivateTextId = 1,
       
    41         ETCountBasedErrorTextId = 2 ,
       
    42         ETCountUsageReduceId = 3,
       
    43         ETCountUsageReduceMediaId = 4
       
    44         };
       
    45 
       
    46     enum TConsumeAction
       
    47         {
       
    48         EStart,
       
    49         EFinish,
       
    50         };
       
    51 
       
    52     enum TOMALevel
       
    53         {
       
    54         EOMA_None, 
       
    55         EOMA_1_0,
       
    56         EOMA_2_0
       
    57         };
       
    58 
       
    59     public: // New functions
       
    60         
       
    61         /**
       
    62         * Displays appropriate error note depending on error code.
       
    63         * @param aError: error code returned by DRM engine
       
    64         * @param aURI: URI of the file
       
    65         * @return 
       
    66         * - Button code, if user selected "buy rights" or "launch rights 
       
    67         *   manager" in query.
       
    68         * - 0 if user selected "No", "Back" or "Cancel" (or whatever which 
       
    69         *   just dismiss the query)
       
    70         * - 0 if just a simple error note is displayed
       
    71         */
       
    72         virtual TInt HandleErrorL( TInt aError, 
       
    73            const TDesC8& aURI ) = 0;
       
    74 
       
    75         /**
       
    76         * Displays appropriate error note depending on error code.
       
    77         * @param aError: error code returned by DRM engine
       
    78         * @param aFileName: full path to file
       
    79         * @return 
       
    80         * - Button code, if user selected "buy rights" or "launch rights 
       
    81         *   manager" in query.
       
    82         * - 0 if user selected "No", "Back" or "Cancel" (or whatever which 
       
    83         *   just dismiss the query)
       
    84         * - 0 if just a simple error note is displayed
       
    85         */
       
    86         virtual TInt HandleErrorL( TInt aError, 
       
    87            const TDesC& aFileName ) = 0;
       
    88 
       
    89         /**
       
    90         * Handle the general UI based error notes 
       
    91         * @param aTextId The code for DRM general notification note.
       
    92         * @param aURI The DRM files URI, that caused the DRM error.
       
    93         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
    94         */
       
    95         virtual TInt ShowDRMUINotificationL( TNotificationID aTextId,
       
    96             const TDesC8& aURI ) = 0;
       
    97 
       
    98         /**
       
    99         * Handle the general UI based error notes 
       
   100         * @param aTextId The code for DRM general notification note.
       
   101         * @param aFileName The DRM file's name and path, that caused the DRM error.
       
   102         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   103         */
       
   104         virtual TInt ShowDRMUINotificationL( TNotificationID aTextId,
       
   105             const TDesC& aFileName ) = 0;
       
   106 
       
   107         /**
       
   108         * Set count limit for CheckRightsAmountL
       
   109         * @param aCounts: new count limit for displaying the note.
       
   110         * @return -
       
   111         */
       
   112         virtual void SetCountLimitL( TUint aCounts ) = 0;
       
   113         
       
   114         /**
       
   115         * Set time limit in days for CheckRightsAmountL
       
   116         * @param aDays: new time limit for displaying the note.
       
   117         * @return -
       
   118         */
       
   119         virtual void SetTimeLimitL( TUint aDays ) = 0;
       
   120 
       
   121         /**
       
   122         * Set percentage limit for CheckRightsAmountL. Applies to both counts and time.
       
   123         * @param aPercentage: new limit for displaying the note.
       
   124         * @return -
       
   125         */
       
   126         virtual void SetPercentageLimitL( TUint aPercentage ) = 0;
       
   127 
       
   128         /**
       
   129         * Launches DRM Rights Manager UI embedded with details view related 
       
   130         * to given content.
       
   131         * @param aURI: URI of the file
       
   132         * @return -
       
   133         */
       
   134         virtual void LaunchDetailsViewEmbeddedL( 
       
   135             const TDesC8& aURI ) = 0;
       
   136         
       
   137         /**
       
   138         * Launches DRM Rights Manager UI embedded with details view related 
       
   139         * to given file.
       
   140         * @param aFileName: Full path to file
       
   141         * @return -
       
   142         */      
       
   143         virtual void LaunchDetailsViewEmbeddedL( 
       
   144             const TDesC& aFileName ) = 0;
       
   145 
       
   146         /**
       
   147         * Gets details of rights object associated of given file.
       
   148         * @param aFileName: Full path to file
       
   149         * @param aIntent: bitmask of DRMCommon::EPlay, DRMCommon::EDisplay, 
       
   150         *                 DRMCommon::EExecute and DRMCommon::EPrint
       
   151         * @param aExpired: (out) ETrue if rights are expired
       
   152         * @param aSendingAllowed: (out) ETrue if content can be sent
       
   153         * @param aPlay: (out) play constraints, must be deleted by caller
       
   154         * @param aDisplay: (out) display constraints, must be deleted by caller
       
   155         * @param aExecute: (out) execute constraints, must be deleted by caller
       
   156         * @param aPrint: (out) print constraints, must be deleted by caller
       
   157         * @return -
       
   158         */
       
   159         virtual void GetRightsDetailsL( const TDesC& aFileName, 
       
   160             TUint32 aIntent, TBool& aExpired, TBool& aSendingAllowed, 
       
   161             CDRMRightsConstraints*& aPlay, 
       
   162             CDRMRightsConstraints*& aDisplay, 
       
   163             CDRMRightsConstraints*& aExecute, 
       
   164             CDRMRightsConstraints*& aPrint ) = 0; 
       
   165 
       
   166         /**
       
   167         * Checks whether some content can be used as automated content or not.
       
   168         * @param aURI: URI of the file
       
   169         * @param aValue: (out) result of the query
       
   170         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   171         */
       
   172         virtual TInt CanSetAutomated( const TDesC8& aURI, TBool& aValue ) = 0;
       
   173         
       
   174         /**
       
   175         * Checks whether some content can be used as automated content or not.
       
   176         * @param aFileName: Full path to the file
       
   177         * @param aValue: (out) result of the query
       
   178         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   179         */
       
   180         virtual TInt CanSetAutomated( const TDesC& aFilename, TBool& aValue ) = 0;
       
   181         
       
   182         /**
       
   183         * Registers some content for automated usage (e.g. default ring tone).
       
   184         * @param aURI: URI of the file
       
   185         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   186         */
       
   187         virtual TInt SetAutomated( const TDesC8& aURI ) = 0;
       
   188         
       
   189         /**
       
   190         * Registers some content for automated usage (e.g. default ring tone).
       
   191         * @param aFileName: Full path to the file
       
   192         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   193         */
       
   194         virtual TInt SetAutomated( const TDesC& aFilename ) = 0;
       
   195         
       
   196         /**
       
   197         * Removes automated content. Used to indicated that the given content is 
       
   198         * not anymore used automaticallly by the device.
       
   199         * @param aURI: URI of the file
       
   200         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   201         */
       
   202         virtual TInt RemoveAutomated( const TDesC8& aURI ) = 0;
       
   203         
       
   204         /**
       
   205         * Removes automated content. Used to indicated that the given content is 
       
   206         * not anymore used automaticallly by the device.
       
   207         * @param aFileName: Full path to the file
       
   208         * @return KErrnone if everything went ok, else wide scale of Symbian errors
       
   209         */
       
   210         virtual TInt RemoveAutomated( const TDesC& aFilename ) = 0;
       
   211 
       
   212         /**
       
   213         * Sends an idle-signal to DRM Helper Server. This indicates 
       
   214         * that the device is on idle state to the DRM Helper Server.
       
   215         * @return -
       
   216         */
       
   217         virtual void IndicateIdle() = 0;
       
   218 
       
   219         /**
       
   220         * GetContentURIList
       
   221         *
       
   222         * Returns a list of all content URIs that have rights in the rights 
       
   223         * database.
       
   224         *
       
   225         * @since  2.5
       
   226         * @param  aURIList: Out parameter for the URI list.
       
   227         * @return Ok if the URI list could be retreived.
       
   228         */
       
   229         virtual TInt GetContentURIList(
       
   230             RPointerArray<HBufC8>*& aURIList) = 0;
       
   231     
       
   232         /**
       
   233         * DataTypesCount
       
   234         *
       
   235         * Returns the number of previously registered datatypes which are
       
   236         * supported by the DRM system and associated applications.
       
   237         *
       
   238         * @since  2.0
       
   239         * @param  aCount: Out parameter for the datatype count
       
   240         * @return EOk if the number of datatypes has been returned correctly
       
   241         */
       
   242         virtual TInt DataTypesCount(
       
   243             TInt& aCount) = 0;
       
   244     
       
   245         /**
       
   246         * SupportedDataType
       
   247         *
       
   248         * Returns a specific datatype which has been registered before by giving an index
       
   249         *
       
   250         * @since  2.0
       
   251         * @param  aIndex: Number of the datatype to return
       
   252         * @param  aDataType: Out parameter for the datatype
       
   253         * @return EOk if the datatype was returned correctly
       
   254         */
       
   255     
       
   256         virtual TInt SupportedDataType(
       
   257             const TInt aIndex, TDataType& aDataType) = 0;
       
   258     
       
   259         /**
       
   260         * RegisterDataType
       
   261         *
       
   262         * Registers a datatype as a supported datatype.
       
   263         *
       
   264         * @since  2.0
       
   265         * @param  aDataType: Datatype to register
       
   266         * @return EOk if the datatype has been registered
       
   267         */
       
   268     
       
   269         virtual TInt RegisterDataType(
       
   270             const TDataType& aDataType) = 0;
       
   271     
       
   272         /**
       
   273         * UnRegisterDataType
       
   274         *
       
   275         * Unregisters a datatype via its index.
       
   276         *
       
   277         * @since  2.5
       
   278         * @param  aIndex: Number of the datatype to unregister
       
   279         * @return EOk if the datatype has been unregistered
       
   280         */
       
   281     
       
   282         virtual TInt UnRegisterDataType(
       
   283             const TInt aIndex) = 0;
       
   284     
       
   285         /**
       
   286         * SupportedDRMMethods
       
   287         *
       
   288         * Returns the supported DRM protection methods and the OMA compliance
       
   289         * level of the DRM engine
       
   290         *
       
   291         * @since  2.0
       
   292         * @param  aDRMMethod: Out parameter, bit mask containing any 
       
   293         *         combination of EForwardLock, ECombinedDelivery, 
       
   294         *         ESeparateDelivery etc.
       
   295         * @param  aOMALevel: OMA compliance of the DRM engine
       
   296         * @return DRMCommon error code
       
   297         */
       
   298     
       
   299         virtual TInt SupportedDRMMethods(
       
   300             TInt& aDRMMethod, TOMALevel& aOMALevel) = 0;
       
   301 
       
   302         /**
       
   303         * Consume
       
   304         *
       
   305         * Overrides any rights consumption. This function must only be used by
       
   306         * applications with user interaction and not by intermediate components.
       
   307         * The main use cases are signalling that content is to be installed
       
   308         * (including thumbnail generation), or that content is to be consumed.
       
   309         * They are characterized as calls to this function with the correct
       
   310         * intent (i.e. EPlay or EInstall) and the corresponding action (i.e.
       
   311         * telling whether the indicated intent is started or finished).
       
   312         * Calls to this function must be the result of a user interaction or
       
   313         * otherwise high level event.
       
   314         *
       
   315         * @since  2.5
       
   316         * @param  aContentURI: URI of the content which will be consumed
       
   317         * @param  aRightsSpec: the consumption intent (EPlay, EDisplay, EPrint,
       
   318         *         EExecute or EInstall)
       
   319         * @param  anAction: the consumption action, telling whether the
       
   320         *         content consumption starts or finishes.
       
   321         * @return EOk if consume action was successfully signalled to the engine.
       
   322         */
       
   323         virtual TInt Consume(
       
   324             const TDesC8& aContentURI,
       
   325             TUint32 aRightsSpec,
       
   326             TConsumeAction anAction) = 0;
       
   327     
       
   328         /**
       
   329         * ConsumeFile
       
   330         *
       
   331         * Overrides any rights consumption. This function must only be used by
       
   332         * applications with user interaction and not by intermediate components.
       
   333         * The main use cases are signalling that content is to be installed
       
   334         * (including thumbnail generation), or that content is to be consumed.
       
   335         * They are characterized as calls to this function with the correct
       
   336         * intent (i.e. EPlay or EInstall) and the corresponding action (i.e.
       
   337         * telling whether the indicated intent is started or finished).
       
   338         * Calls to this function must be the result of a user interaction or
       
   339         * otherwise high level event.
       
   340         *
       
   341         * @since  2.5
       
   342         * @param  
       
   343         * @param  aRightsSpec: the consumption intent (EPlay, EDisplay, EPrint,
       
   344         *         EExecute or EInstall)
       
   345         * @param  anAction: the consumption action, telling whether the
       
   346         *         content consumption starts or finishes.
       
   347         * @return EOk if consume action was successfully signalled to the engine.
       
   348         */
       
   349         virtual TInt ConsumeFile(
       
   350             const TDesC& aFileName,
       
   351             TUint32 aRightsSpec,
       
   352             TConsumeAction anAction) = 0;
       
   353     
       
   354     };
       
   355 
       
   356 class MDRMHelperFactory
       
   357     {
       
   358 public:
       
   359 
       
   360     IMPORT_C static MDRMHelper* CreateL(CCoeEnv& aCoeEnv);
       
   361     IMPORT_C static MDRMHelper* CreateLC(CCoeEnv& aCoeEnv);
       
   362 
       
   363     IMPORT_C static MDRMHelper* CreateL();
       
   364     IMPORT_C static MDRMHelper* CreateLC();
       
   365 
       
   366     };
       
   367 
       
   368 #endif      // MDRMHELPER_H   
       
   369             
       
   370 // End of File