browserutilities/downloadmgr/DownloadMgrUiLib/Src/CDownloadMgrUiLibRegistry.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2004 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:  Supports registration of UI Lib modules.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    "CDownloadMgrUiLibRegistry.h"
       
    22 #include    "CDownloadMgrUiDownloadsList.h"
       
    23 #include    "CDownloadMgrUiUserInteractions.h"
       
    24 #include    "DMgrUiLibPanic.h"
       
    25 #include    "UiLibLogger.h"
       
    26 
       
    27 /**
       
    28 * Extension class.
       
    29 * 
       
    30 * This class also acts a common exit observer when UILib is used. It is used not only for 
       
    31 * deciding if an embedded handler application is runnong or not, but also for indicating 
       
    32 * if eg. a COD Service Flow is running.
       
    33 */
       
    34 NONSHARABLE_CLASS( CUiLibRegistryExtension ) : public CBase
       
    35     {
       
    36     public:  // Constructors and destructor
       
    37         
       
    38         /**
       
    39         * Two-phased constructor.
       
    40         */
       
    41         static CUiLibRegistryExtension* NewL
       
    42              ( CDownloadMgrUiLibRegistry& aRegistry );
       
    43         
       
    44         /**
       
    45         * Destructor.
       
    46         */
       
    47         virtual ~CUiLibRegistryExtension();
       
    48 
       
    49     protected: // Constructors
       
    50 
       
    51         /**
       
    52         * C++ default constructor.
       
    53         */
       
    54         CUiLibRegistryExtension( CDownloadMgrUiLibRegistry& aRegistry );
       
    55 
       
    56         /**
       
    57         * By default Symbian 2nd phase constructor is private.
       
    58         */
       
    59         void ConstructL();
       
    60 
       
    61     private: // Data
       
    62 
       
    63         CDownloadMgrUiLibRegistry& iRegistry;
       
    64     };
       
    65 
       
    66 // ============================ MEMBER FUNCTIONS ===============================
       
    67 
       
    68 // -----------------------------------------------------------------------------
       
    69 // CUiLibRegistryExtension::CUiLibRegistryExtension
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 CUiLibRegistryExtension::CUiLibRegistryExtension
       
    73     ( CDownloadMgrUiLibRegistry& aRegistry ) 
       
    74 :   iRegistry( aRegistry )
       
    75     {
       
    76     }
       
    77 
       
    78 // -----------------------------------------------------------------------------
       
    79 // CUiLibRegistryExtension::ConstructL
       
    80 // -----------------------------------------------------------------------------
       
    81 //
       
    82 void CUiLibRegistryExtension::ConstructL()
       
    83     {
       
    84     CLOG_ENTERFN("CUiLibRegistryExtension::ConstructL");
       
    85     CLOG_LEAVEFN("CUiLibRegistryExtension::ConstructL");
       
    86     }
       
    87 
       
    88 // -----------------------------------------------------------------------------
       
    89 // CUiLibRegistryExtension::NewL
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 CUiLibRegistryExtension* CUiLibRegistryExtension::NewL
       
    93     ( CDownloadMgrUiLibRegistry& aRegistry )
       
    94     {
       
    95     CUiLibRegistryExtension* self = 
       
    96         new (ELeave) CUiLibRegistryExtension( aRegistry );
       
    97     CleanupStack::PushL( self );
       
    98     self->ConstructL();
       
    99     CleanupStack::Pop();
       
   100     return self;
       
   101     }
       
   102 
       
   103 // Destructor
       
   104 CUiLibRegistryExtension::~CUiLibRegistryExtension()
       
   105     {
       
   106     CLOG_ENTERFN("CUiLibRegistryExtension::~CUiLibRegistryExtension");
       
   107     CLOG_LEAVEFN("CUiLibRegistryExtension::~CUiLibRegistryExtension");
       
   108     }
       
   109 
       
   110 // ============================ MEMBER FUNCTIONS ===============================
       
   111 
       
   112 // -----------------------------------------------------------------------------
       
   113 // CDownloadMgrUiLibRegistry::CDownloadMgrUiLibRegistry
       
   114 // -----------------------------------------------------------------------------
       
   115 //
       
   116 CDownloadMgrUiLibRegistry::CDownloadMgrUiLibRegistry( RHttpDownloadMgr& aDownloadMgr )
       
   117 :   iDownloadMgr( aDownloadMgr )
       
   118     {
       
   119     }
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CDownloadMgrUiLibRegistry::ConstructL
       
   123 // -----------------------------------------------------------------------------
       
   124 //
       
   125 void CDownloadMgrUiLibRegistry::ConstructL()
       
   126     {
       
   127     // Create the log file
       
   128     LOG_CREATE;
       
   129     iExtension = CUiLibRegistryExtension::NewL( *this );
       
   130     //////////////////////
       
   131     // EDlMgrAppUid
       
   132     TInt32 appUid( 0 );
       
   133     User::LeaveIfError( iDownloadMgr.GetIntAttribute( EDlMgrAppUid, appUid ) );
       
   134     iClientAppUid = TUid::Uid( (TInt)appUid );
       
   135     }
       
   136 
       
   137 // -----------------------------------------------------------------------------
       
   138 // CDownloadMgrUiLibRegistry::NewL
       
   139 // -----------------------------------------------------------------------------
       
   140 //
       
   141 EXPORT_C 
       
   142 CDownloadMgrUiLibRegistry* CDownloadMgrUiLibRegistry::NewL( RHttpDownloadMgr& aDownloadMgr )
       
   143     {
       
   144     CDownloadMgrUiLibRegistry* self = 
       
   145         new ( ELeave ) CDownloadMgrUiLibRegistry( aDownloadMgr );
       
   146     CleanupStack::PushL( self );
       
   147     self->ConstructL();
       
   148     CleanupStack::Pop();
       
   149     return self;
       
   150     }
       
   151 
       
   152 // Destructor
       
   153 EXPORT_C 
       
   154 CDownloadMgrUiLibRegistry::~CDownloadMgrUiLibRegistry()
       
   155     {
       
   156     CLOG_ENTERFN("CDownloadMgrUiLibRegistry::~CDownloadMgrUiLibRegistry");
       
   157     RemoveUiComponentsAsObservers();
       
   158     //
       
   159     delete iUserInteractions;
       
   160     iUserInteractions = 0;
       
   161     CLOG_WRITE("iUserInteractions deleted");
       
   162     delete iDownloadsList;
       
   163     iDownloadsList = 0;
       
   164     CLOG_WRITE("iDownloadsList deleted");
       
   165     delete iExtension;
       
   166     iExtension = 0;
       
   167     CLOG_LEAVEFN("CDownloadMgrUiLibRegistry::~CDownloadMgrUiLibRegistry");
       
   168     }
       
   169 
       
   170 // -----------------------------------------------------------------------------
       
   171 // CDownloadMgrUiLibRegistry::RegisterUserInteractionsL
       
   172 // -----------------------------------------------------------------------------
       
   173 //
       
   174 EXPORT_C 
       
   175 CDownloadMgrUiUserInteractions& CDownloadMgrUiLibRegistry::RegisterUserInteractionsL()
       
   176     {
       
   177     CLOG_ENTERFN("CDownloadMgrUiLibRegistry::RegisterUserInteractionsL");
       
   178     
       
   179     __ASSERT_ALWAYS( iUserInteractions == NULL, Panic( EUiLibPanNotNull ) );
       
   180 
       
   181     iUserInteractions = CDownloadMgrUiUserInteractions::NewL( *this );
       
   182     // Register UI component as observer if not done yet
       
   183     TRAPD( err, SetUiComponentsAsObserversL() );
       
   184         if ( err )
       
   185             {
       
   186             CLOG_WRITE_FORMAT(" err: %d", err);
       
   187             RemoveUiComponentsAsObservers();
       
   188             User::Leave( err );
       
   189             }
       
   190             
       
   191     CLOG_LEAVEFN("CDownloadMgrUiLibRegistry::RegisterUserInteractionsL");
       
   192     return *iUserInteractions;
       
   193     }
       
   194 
       
   195 // -----------------------------------------------------------------------------
       
   196 // CDownloadMgrUiLibRegistry::RegisterDownloadsListL
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 EXPORT_C 
       
   200 CDownloadMgrUiDownloadsList& CDownloadMgrUiLibRegistry::RegisterDownloadsListL()
       
   201     {
       
   202     CLOG_ENTERFN("CDownloadMgrUiLibRegistry::RegisterDownloadsListL");
       
   203     
       
   204     __ASSERT_ALWAYS( iDownloadsList == NULL, Panic( EUiLibPanNotNull ) );
       
   205 
       
   206     iDownloadsList = CDownloadMgrUiDownloadsList::NewL( *this );
       
   207     // Register UI component as observer if not done yet
       
   208     TRAPD( err, SetUiComponentsAsObserversL() );
       
   209         if ( err )
       
   210             {
       
   211             CLOG_WRITE_FORMAT(" err: %d", err);
       
   212             RemoveUiComponentsAsObservers();
       
   213             User::Leave( err );
       
   214             }
       
   215             
       
   216     CLOG_LEAVEFN("CDownloadMgrUiLibRegistry::RegisterDownloadsListL");
       
   217     return *iDownloadsList;
       
   218     }
       
   219 
       
   220 // -----------------------------------------------------------------------------
       
   221 // CDownloadMgrUiLibRegistry::ClientAppUid
       
   222 // -----------------------------------------------------------------------------
       
   223 //
       
   224 TUid CDownloadMgrUiLibRegistry::ClientAppUid() const
       
   225     {
       
   226     CLOG_WRITE_FORMAT("iClientAppUid: %d", iClientAppUid);
       
   227     return (iClientAppUid);
       
   228     }
       
   229 
       
   230 // -----------------------------------------------------------------------------
       
   231 // CDownloadMgrUiLibRegistry::DownloadsListInstalled
       
   232 // -----------------------------------------------------------------------------
       
   233 //
       
   234 TBool CDownloadMgrUiLibRegistry::DownloadsListInstalled() const
       
   235     {
       
   236     CLOG_WRITE_FORMAT("DownloadsListInstalled: %x", iDownloadsList);
       
   237     return (iDownloadsList!=NULL);
       
   238     }
       
   239 
       
   240 // -----------------------------------------------------------------------------
       
   241 // CDownloadMgrUiLibRegistry::DownloadsList
       
   242 // -----------------------------------------------------------------------------
       
   243 //
       
   244 CDownloadMgrUiDownloadsList& CDownloadMgrUiLibRegistry::DownloadsList() const
       
   245     {
       
   246     __ASSERT_DEBUG( iDownloadsList, Panic( EUiLibPanNull ) );
       
   247     return (*iDownloadsList);
       
   248     }
       
   249 
       
   250 // -----------------------------------------------------------------------------
       
   251 // CDownloadMgrUiLibRegistry::UserInteractionsInstalled
       
   252 // -----------------------------------------------------------------------------
       
   253 //
       
   254 TBool CDownloadMgrUiLibRegistry::UserInteractionsInstalled() const
       
   255     {
       
   256     CLOG_WRITE_FORMAT("UserInteractionsInstalled: %x", iUserInteractions);
       
   257     return (iUserInteractions!=NULL);
       
   258     }
       
   259 
       
   260 // -----------------------------------------------------------------------------
       
   261 // CDownloadMgrUiLibRegistry::UserInteractions
       
   262 // -----------------------------------------------------------------------------
       
   263 //
       
   264 CDownloadMgrUiUserInteractions& CDownloadMgrUiLibRegistry::UserInteractions() const
       
   265     {
       
   266     __ASSERT_DEBUG( iUserInteractions, Panic( EUiLibPanNull ) );
       
   267     return (*iUserInteractions);
       
   268     }
       
   269 
       
   270 // -----------------------------------------------------------------------------
       
   271 // CDownloadMgrUiLibRegistry::DownloadMgr
       
   272 // -----------------------------------------------------------------------------
       
   273 //
       
   274 RHttpDownloadMgr& CDownloadMgrUiLibRegistry::DownloadMgr() const
       
   275     {
       
   276     CLOG_WRITE_FORMAT("DownloadMgr: %x", &iDownloadMgr);
       
   277     return (iDownloadMgr);
       
   278     }
       
   279 
       
   280 // -----------------------------------------------------------------------------
       
   281 // CDownloadMgrUiLibRegistry::DownloadCount
       
   282 // -----------------------------------------------------------------------------
       
   283 //
       
   284 TInt CDownloadMgrUiLibRegistry::DownloadCount() const
       
   285     {
       
   286     return (iDownloadMgr.CurrentDownloads().Count());
       
   287     }
       
   288 
       
   289 // -----------------------------------------------------------------------------
       
   290 // CDownloadMgrUiLibRegistry::SetUiComponentsAsObserversL
       
   291 // -----------------------------------------------------------------------------
       
   292 //
       
   293 void CDownloadMgrUiLibRegistry::SetUiComponentsAsObserversL()
       
   294     {
       
   295     if ( iUserInteractions )
       
   296         {
       
   297         CLOG_WRITE(" AddObserverL iUserInteractions ...");
       
   298         iDownloadMgr.AddObserverL( *iUserInteractions );
       
   299         CLOG_WRITE(" AddObserverL iUserInteractions OK");
       
   300         }
       
   301     if ( iDownloadsList )
       
   302         {
       
   303         CLOG_WRITE(" AddObserverL iDownloadsList ...");
       
   304         iDownloadMgr.AddObserverL( *iDownloadsList );
       
   305         CLOG_WRITE(" AddObserverL iDownloadsList OK");
       
   306         }
       
   307     }
       
   308 
       
   309 // -----------------------------------------------------------------------------
       
   310 // CDownloadMgrUiLibRegistry::RemoveUiComponentsAsObservers
       
   311 // -----------------------------------------------------------------------------
       
   312 //
       
   313 void CDownloadMgrUiLibRegistry::RemoveUiComponentsAsObservers()
       
   314     {
       
   315     if ( iUserInteractions )
       
   316         {
       
   317         CLOG_WRITE(" RemoveObserver iUserInteractions ...");
       
   318         iDownloadMgr.RemoveObserver( *iUserInteractions );
       
   319         CLOG_WRITE(" RemoveObserver iUserInteractions OK");
       
   320         }
       
   321     if ( iDownloadsList )
       
   322         {
       
   323         CLOG_WRITE(" RemoveObserver iDownloadsList ...");
       
   324         iDownloadMgr.RemoveObserver( *iDownloadsList );
       
   325         CLOG_WRITE(" RemoveObserver iDownloadsList OK");
       
   326         }
       
   327     }
       
   328 
       
   329 // End of file.