videofeeds/clientapi/inc/CIptvVodDlDownloadEvent.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 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:    Vod Dl event object*
       
    15 */
       
    16 
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef CIPTVVODDLDOWNLOADEVENT_H
       
    22 #define CIPTVVODDLDOWNLOADEVENT_H
       
    23 
       
    24 //  INCLUDES
       
    25 #include <e32base.h>
       
    26 #include "CIptvUtil.h"
       
    27 
       
    28 #include "MIptvEvent.h"
       
    29 #include "TIptvVodDlDownloadId.h"
       
    30 
       
    31 // CONSTANTS
       
    32 
       
    33 
       
    34 // MACROS
       
    35 
       
    36 // DATA TYPES
       
    37 
       
    38 // FUNCTION PROTOTYPES
       
    39 
       
    40 // FORWARD DECLARATIONS
       
    41 
       
    42 // CLASS DECLARATION
       
    43 class RDesReadStream;
       
    44 class RDesWriteStream;
       
    45 class CIptvMyVideosGlobalFileId;
       
    46 
       
    47 /**
       
    48 *  Used for sending download events from VOD DL Manager to client.
       
    49 *
       
    50 *  @lib IptvClientApi.lib
       
    51 */
       
    52 class CIptvVodDlDownloadEvent : public CBase, public MIptvEvent
       
    53     {
       
    54     public:
       
    55     
       
    56         /**
       
    57         * Identifies the type of the event. Type specifies which member fields contain
       
    58         * valid data.
       
    59         */
       
    60         enum TEvent
       
    61             {
       
    62             /**
       
    63             * VOD download state change event.
       
    64             * All members are valid.
       
    65             */ 
       
    66             EDownloadState = 0,
       
    67             
       
    68             /**
       
    69             * Response event to CIptvVodDlClient::DownloadReqL() method call.
       
    70             * iGlobalFileIsValid and iServiceIdAndContentIdAreValid members indicate which ids are usable.
       
    71             * iProgress and iState members do not contain valid data.
       
    72             * Download request failed, no download instance was created, iError and iGlobalError members
       
    73             * contain reason codes.
       
    74             */
       
    75             EDownloadReqFailed,
       
    76 
       
    77             /**
       
    78             * Response event to CIptvVodDlClient::DownloadReqL() method call.
       
    79             * iGlobalFileIsValid and iServiceIdAndContentIdAreValid members indicate which ids are usable.
       
    80             * iProgress and iState members do not contain valid data.
       
    81             * Download request succeeded, download instance was created, EDownloadState
       
    82             * messages will follow.
       
    83             */
       
    84             EDownloadReqSucceeded,
       
    85             
       
    86             /**
       
    87             * Response event to CIptvVodDlClient::CancelDownloadReqL() method call.
       
    88             * iGlobalFileIsValid and iServiceIdAndContentIdAreValid members indicate which ids are usable.
       
    89             * iProgress and iState members do not contain valid data.
       
    90             * Request failed, iError and iGlobalError members contain reason codes.
       
    91             */
       
    92             ECancelReqFailed,
       
    93             
       
    94             /**
       
    95             * Response event to CIptvVodDlClient::CancelDownloadReqL() method call.
       
    96             * iGlobalFileIsValid and iServiceIdAndContentIdAreValid members indicate which ids are usable.
       
    97             * iProgress and iState members do not contain valid data.
       
    98             * Request succeeded and cancel process started, EDownloadState messages
       
    99             * show when download is gone (iState = KIptvVodDlDownloadDeletedCompletely).
       
   100             * Notice that client might get ECancelReqSucceeded message after KIptvVodDlDownloadDeletedCompletely.
       
   101             */            
       
   102             ECancelReqSucceeded,
       
   103             
       
   104             /**
       
   105             * Event indicating that details of download item(s) has been modified. Occurs if EPG
       
   106             * data related to download has been modified during download. Forces client to rebuild
       
   107             * its information about on-going downloads.
       
   108             */
       
   109             EDownloadItemsModified,
       
   110             
       
   111             /**
       
   112             * Response event to CIptvVodDlClient::DownloadReqL() method call.
       
   113             * This is response for single file download.
       
   114             * iServiceId is only usable ident. iContentIndex will contain original request.
       
   115             * iState contain result. iProgress member do not contain valid data.
       
   116             * Download request is completed.
       
   117             */
       
   118             EDownloadSingleFileCompleted
       
   119             };
       
   120             
       
   121     public:  // Constructors and destructor
       
   122         
       
   123         /**
       
   124         * Two-phased constructor.
       
   125         */
       
   126         IMPORT_C static CIptvVodDlDownloadEvent* NewL();
       
   127         
       
   128         /**
       
   129         * Destructor.
       
   130         */
       
   131         IMPORT_C virtual ~CIptvVodDlDownloadEvent();
       
   132 
       
   133     public:
       
   134         
       
   135         //from MIptvEvent
       
   136         IMPORT_C void InternalizeL(RReadStream& aStream);
       
   137         IMPORT_C void ExternalizeL(RWriteStream& aStream);
       
   138         IMPORT_C TUint32 CountExternalizeSize();
       
   139         IMPORT_C MIptvEvent* GetCopyL();
       
   140         IMPORT_C void Destruct();
       
   141 
       
   142         IMPORT_C void Set(CIptvVodDlDownloadEvent& aEvent);
       
   143         
       
   144     private:
       
   145 
       
   146         /**
       
   147         * C++ default constructor.
       
   148         */
       
   149         CIptvVodDlDownloadEvent();
       
   150 
       
   151         /**
       
   152         * By default Symbian 2nd phase constructor is private.
       
   153         */
       
   154         void ConstructL();
       
   155 
       
   156     public:     // Data
       
   157                 
       
   158         /**
       
   159         * Identifies the type of the event. Type specifies which member fields contain
       
   160         * valid data.
       
   161         */
       
   162         TEvent iEvent;
       
   163 
       
   164         /**
       
   165         * ETrue if global file ID is valid and can be used.
       
   166         */
       
   167         TBool iGlobalFileIdIsValid;
       
   168         
       
   169         /**
       
   170         * File ID in My Videos.
       
   171         */
       
   172         CIptvMyVideosGlobalFileId* iGlobalFileId;
       
   173 
       
   174         /**
       
   175         * If ETrue, then iServiceId and iContentId contain valid data.
       
   176         */
       
   177         TBool iServiceIdAndContentIdAreValid;
       
   178                         
       
   179         /**
       
   180         * Service ID in Service Manager database.
       
   181         */
       
   182         TUint32 iServiceId;
       
   183         
       
   184         /**
       
   185         * Content ID in EPG database.
       
   186         */
       
   187         TUint32 iContentId;
       
   188 
       
   189         /**
       
   190         * Content index in EPG database.
       
   191         */
       
   192         TUint32 iContentIndex;
       
   193         
       
   194         /**
       
   195         * Download progress in percentages.
       
   196         */
       
   197         TUint8 iProgress;
       
   198         
       
   199         /**
       
   200         * Download state, see possible states from CIptvUtil.h
       
   201         */        
       
   202         TUint32 iState;
       
   203         
       
   204         /**
       
   205         * VOD DL specific error code is stored here.
       
   206         */        
       
   207         TIptvDlError iError;
       
   208 
       
   209         /**
       
   210         * Global error code is stored here. This variable is used
       
   211         * when functions leave or return error value and they are
       
   212         * not directly related to download, e.g memory runs out etc.
       
   213         * If iGlobalError != KErrNone then iError is EIptvDlGeneral. 
       
   214         */        
       
   215         TInt iGlobalError;
       
   216         
       
   217     };
       
   218 
       
   219 #endif      // CIPTVVODDLEVENT_H   
       
   220             
       
   221 // End of File