videofeeds/server/IptvServiceManager/inc/CIptvServiceMsgHandler.h
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     1 /*
       
     2 * Copyright (c) 2006-2007 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: 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 #ifndef CIPTVSERVICEMSGHANDLER_H
       
    23 #define CIPTVSERVICEMSGHANDLER_H
       
    24 
       
    25 //  INCLUDES
       
    26 #include <e32base.h>
       
    27 #include "CIptvServiceManager.h"
       
    28 #include "MIptvServiceManagerObserver.h"
       
    29 
       
    30 // CONSTANTS
       
    31 
       
    32 // MACROS
       
    33 
       
    34 // DATA TYPES
       
    35 
       
    36 // FUNCTION PROTOTYPES
       
    37 
       
    38 // FORWARD DECLARATIONS
       
    39 class CIptvServer;
       
    40 class CIptvEventGenerator;
       
    41 class CIptvSmEvent;
       
    42 
       
    43 // CLASS DECLARATION
       
    44 
       
    45 /**
       
    46 * Handles IPC messages from the client process. Uses CIptvServiceManager.
       
    47 * This class is instantiated when client uses service management methods from
       
    48 * CIptvServiceManagementClient class. Owned by CIptvServerSession.
       
    49 */
       
    50 class CIptvServiceMsgHandler : public CBase, public MIptvServiceManagerObserver
       
    51     {
       
    52                 
       
    53     public:
       
    54 
       
    55         /**
       
    56         * Two-phased constructor.
       
    57         *
       
    58         * @param aServer IPTV Server, needed for accessing EPG and Service Manager.
       
    59         */
       
    60         static CIptvServiceMsgHandler* NewL(CIptvServer& aServer);
       
    61         
       
    62         /**
       
    63         * Destructor.
       
    64         */
       
    65         virtual ~CIptvServiceMsgHandler();
       
    66  
       
    67         /**
       
    68         * Handles messages from the client.
       
    69         *
       
    70         * @param aMessage A message to handle.
       
    71         */
       
    72         void HandleServiceManagerMsgL(const RMessage2& aMessage);
       
    73 
       
    74     private:
       
    75         
       
    76         /**
       
    77          * Handles EIptvEngineServerGetServicesSizeReq message.
       
    78          *
       
    79          * @param aMessage IPC message where the response is written.
       
    80          */
       
    81         void HandleGetServicesSizeReqL(const RMessage2& aMessage);
       
    82 
       
    83         /**
       
    84          * Called by HandleGetServicesSizeReqL().
       
    85          *
       
    86          * @param aMessage  IPC message where the response is written.
       
    87          */
       
    88         void GetServicesSizeReqL(const RMessage2& aMessage);
       
    89 
       
    90         /**
       
    91          * Handles EIptvEngineServerGetServicesDataReq message.
       
    92          *
       
    93          * @param aMessage IPC message where the response is written.
       
    94          */
       
    95         void HandleGetServicesDataReqL(const RMessage2& aMessage);
       
    96 
       
    97         /**
       
    98          * Called by HandleGetServicesDataReqL().
       
    99          *
       
   100          * @param aMessage IPC message where the response is written.
       
   101          */
       
   102         void GetServicesDataReqL(const RMessage2& aMessage);
       
   103 
       
   104         /**
       
   105          * Constructs and sends size response to GetServicesUsingIdSizeReq message.
       
   106          *
       
   107          * @param aMessage IPC message where the response is written.
       
   108          */
       
   109         void HandleGetServicesUsingIdSizeReqL(const RMessage2& aMessage);
       
   110 
       
   111         /**
       
   112          * Constructs and sends size response to GetServicesUsingIdDataReq message.
       
   113          *
       
   114          * @param aMessage IPC message where the response is written.
       
   115          */
       
   116         void HandleGetServicesUsingIdDataReqL(const RMessage2& aMessage);
       
   117 
       
   118         /**
       
   119          * Handles EIptvEngineSmAddServiceReq message.
       
   120          *
       
   121          * @param aMessage Message from client-server framework
       
   122          */         
       
   123         void HandleAddServiceReqL(const RMessage2& aMessage);
       
   124 
       
   125         /**
       
   126          * Handles EIptvEngineSmDeleteServiceReq message.
       
   127          *
       
   128          * @param aMessage Message from client-server framework
       
   129          */         
       
   130         void HandleDeleteServiceReqL(const RMessage2& aMessage);
       
   131 
       
   132         /**
       
   133          * Handles EIptvEngineSmUpdateServiceReq message.
       
   134          *
       
   135          * @param aMessage Message from client-server framework
       
   136          */         
       
   137         void HandleUpdateServiceReqL(const RMessage2& aMessage);
       
   138 
       
   139         /**
       
   140          * Handles EIptvEngineSmGetServiceSizeUsingProviderId message.
       
   141          *
       
   142          * @param aMessage Message from client-server framework
       
   143          */         
       
   144         void HandleGetServiceSizeUsingProviderIdL(const RMessage2& aMessage);
       
   145 
       
   146         /**
       
   147          * Handles EIptvEngineSmGetServiceDataUsingProviderId message.
       
   148          *
       
   149          * @param aMessage Message from client-server framework
       
   150          */         
       
   151         void HandleGetServiceDataUsingProviderIdL(const RMessage2& aMessage);
       
   152 
       
   153         /**
       
   154          * Creates HBufC* and copies data from client address space
       
   155          * into it.
       
   156          *
       
   157          * @param aMessage Message from client-server framework
       
   158          * @return         Pointer to data.
       
   159          */
       
   160         HBufC8* GetDataFromClientAddrSpaceLC(const RMessage2& aMessage);
       
   161 
       
   162         /**
       
   163          * Used for EIptvEngineSmGetServicesReq and EIptvEngineSmGetServicesUsingIdReq.
       
   164          * Builds size (= iServicesSizeRespIpcMsg) and data (= iServicesDataRespIpcMsg)
       
   165          * messages from iServicesArray.
       
   166          * iServicesSizeRespIpcMsg message contains iServicesDataRespIpcMsg length. 
       
   167          */
       
   168         void BuildServiceIpcMsgRespsL();
       
   169 
       
   170         /**
       
   171          * Updates last update time to Service db LastUpdate column.
       
   172          * @param aServiceId The service id.
       
   173          * @param aLastUpdate The last update time.
       
   174          */
       
   175         void SetEpgLastUpdateTimeL( TUint32 aServiceId, TTime& aLastUpdate );
       
   176 
       
   177         /**
       
   178          * Completes the request with status information.
       
   179          *
       
   180          * @param aMessage
       
   181          * @param aError       Error code from Service Manager
       
   182          * @param aGlobalError If operation leaved this contains the reason code.
       
   183          */
       
   184         void SendStatusRespL( const RMessage2& aMessage,
       
   185                               MIptvServiceManagementClientObserver::TRespStatus aError,
       
   186                               TInt aGlobalError );
       
   187 
       
   188         /**
       
   189          * Deletes service group with all belog feeeds.
       
   190          *
       
   191          * @param aGroupId a group id of service(s) to be deleted
       
   192          * @return         error code.
       
   193          */         
       
   194         TInt DeleteGroupL( const TUint32 aGroupId );
       
   195 
       
   196         /**
       
   197          * Handles EIptvEngineSmDeleteServiceReq message.
       
   198          *
       
   199          * @param aServiceId a service id of service to be deleted
       
   200          * @param aServiceType a type of service to be deleted
       
   201          * @return         error code.
       
   202          */         
       
   203         TInt DeleteServiceL( const TUint32 aServiceId,
       
   204                              const CIptvService::TServiceType aServiceType );
       
   205         
       
   206     public:
       
   207                    
       
   208         /**
       
   209         * From MIptvServiceManagerObserver
       
   210         */
       
   211         void HandleSmEvent(CIptvSmEvent& aEvent);
       
   212 
       
   213         /**
       
   214         * Actual implementation for HandleSmEvent.
       
   215         */
       
   216         void HandleSmEventL(CIptvSmEvent& aEvent);
       
   217         
       
   218     private:
       
   219 
       
   220         /**
       
   221          * C++ default constructor.
       
   222          */
       
   223         CIptvServiceMsgHandler(CIptvServer& aServer);
       
   224 
       
   225         /**
       
   226          * Symbian 2nd phase constructor.
       
   227          */
       
   228         void ConstructL();
       
   229 
       
   230     private:    // Data
       
   231 		
       
   232         /**
       
   233         * Owner of this object
       
   234         */
       
   235         CIptvServer&       iServer;	
       
   236 
       
   237         /**
       
   238         * Used to store services data resp IPC msg
       
   239         */
       
   240         HBufC8*            iServicesDataRespIpcMsg;
       
   241         
       
   242         /**
       
   243         * Used to store services size resp IPC msg
       
   244         */
       
   245         HBufC8*            iServicesSizeRespIpcMsg;
       
   246                 
       
   247         /**
       
   248         * Stores CIptvServices object
       
   249         */
       
   250         CIptvServices*     iServices;
       
   251 
       
   252         /**
       
   253         * Generates events, CIptvEventListener catches them in client process.
       
   254         */
       
   255     	  CIptvEventGenerator* iEventGenerator;
       
   256 
       
   257     };
       
   258 
       
   259 #endif      // CIPTVSERVICEMSGHANDLER_H   
       
   260             
       
   261 // End of File