iaupdate/IAD/engine/controller/src/iaupdatedownloadoperation.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2008 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:   CIAUpdateDownloadOperation 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #include <ncdquery.h>
       
    21 #include <ncdprogress.h>
       
    22 #include <ncdoperation.h>
       
    23 #include <ncdnodedownload.h>
       
    24 #include <ncddownloadoperation.h>
       
    25 #include <ncdnode.h>
       
    26 
       
    27 #include "iaupdatedownloadoperation.h"
       
    28 #include "iaupdatenodeimpl.h"
       
    29 
       
    30 
       
    31 
       
    32 #include "iaupdatedebug.h"
       
    33 
       
    34 
       
    35 // ---------------------------------------------------------------------------
       
    36 // CIAUpdateDownloadOperation::NewL
       
    37 // 
       
    38 // ---------------------------------------------------------------------------
       
    39 //
       
    40 CIAUpdateDownloadOperation* CIAUpdateDownloadOperation::NewL(
       
    41     CIAUpdateNode& aNode,
       
    42     MIAUpdateContentOperationObserver& aObserver )
       
    43     {
       
    44     CIAUpdateDownloadOperation* self = 
       
    45         CIAUpdateDownloadOperation::NewLC( aNode, aObserver );
       
    46     CleanupStack::Pop( self );
       
    47     return self;
       
    48     }
       
    49     
       
    50     
       
    51 // ---------------------------------------------------------------------------
       
    52 // CIAUpdateDownloadOperation::NewLC
       
    53 // 
       
    54 // ---------------------------------------------------------------------------
       
    55 //
       
    56 CIAUpdateDownloadOperation* CIAUpdateDownloadOperation::NewLC(
       
    57     CIAUpdateNode& aNode,
       
    58     MIAUpdateContentOperationObserver& aObserver )
       
    59     {
       
    60     CIAUpdateDownloadOperation* self =
       
    61         new( ELeave ) CIAUpdateDownloadOperation( aNode, aObserver );
       
    62     CleanupStack::PushL( self );
       
    63     self->ConstructL();
       
    64     return self;
       
    65     }
       
    66 
       
    67 
       
    68 // ---------------------------------------------------------------------------
       
    69 // CIAUpdateDownloadOperation::CIAUpdateDownloadOperation
       
    70 // 
       
    71 // ---------------------------------------------------------------------------
       
    72 //
       
    73 CIAUpdateDownloadOperation::CIAUpdateDownloadOperation(
       
    74     CIAUpdateNode& aNode,
       
    75     MIAUpdateContentOperationObserver& aObserver )
       
    76 : CIAUpdateNormalContentOperation( aNode, aObserver )
       
    77     {
       
    78     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::CIAUpdateDownloadOperation");
       
    79     }
       
    80 
       
    81 
       
    82 // ---------------------------------------------------------------------------
       
    83 // CIAUpdateDownloadOperation::ConstructL
       
    84 // 
       
    85 // ---------------------------------------------------------------------------
       
    86 //
       
    87 void CIAUpdateDownloadOperation::ConstructL()
       
    88     {
       
    89     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::ConstructL begin");
       
    90     
       
    91     CIAUpdateNormalContentOperation::ConstructL();
       
    92 
       
    93     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::ConstructL end");
       
    94     }
       
    95     
       
    96 
       
    97 // ---------------------------------------------------------------------------
       
    98 // CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation
       
    99 // 
       
   100 // ---------------------------------------------------------------------------
       
   101 //
       
   102 CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation()
       
   103     {
       
   104     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation begin");
       
   105 
       
   106     // This will also reset and delete all the necessary data if needed.
       
   107     CancelOperation();
       
   108 
       
   109     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation end");
       
   110     }
       
   111 
       
   112 
       
   113 // ---------------------------------------------------------------------------
       
   114 // CIAUpdateDownloadOperation::DownloadProgress
       
   115 // Content download functions
       
   116 // ---------------------------------------------------------------------------
       
   117 //
       
   118 void CIAUpdateDownloadOperation::DownloadProgress( MNcdDownloadOperation& /*aOperation*/, 
       
   119                                                    TNcdProgress aProgress )
       
   120     {
       
   121     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadProgress() begin");
       
   122 
       
   123     OperationProgress( aProgress.iProgress, aProgress.iMaxProgress );
       
   124 
       
   125     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadProgress() end");
       
   126     }
       
   127 
       
   128 
       
   129 // ---------------------------------------------------------------------------
       
   130 // CIAUpdateDownloadOperation::QueryReceived
       
   131 // 
       
   132 // ---------------------------------------------------------------------------
       
   133 //
       
   134 void CIAUpdateDownloadOperation::QueryReceived( MNcdDownloadOperation& aOperation, 
       
   135                                                 MNcdQuery* aQuery )
       
   136     {
       
   137     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::QueryReceived() begin");
       
   138 
       
   139     ContentQueryReceived( aOperation, aQuery );
       
   140 
       
   141     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::QueryReceived() end");
       
   142     }
       
   143 
       
   144 
       
   145 // ---------------------------------------------------------------------------
       
   146 // CIAUpdateDownloadOperation::OperationComplete
       
   147 // 
       
   148 // ---------------------------------------------------------------------------
       
   149 //
       
   150 void CIAUpdateDownloadOperation::OperationComplete( MNcdDownloadOperation& aOperation, 
       
   151                                                     TInt aError )
       
   152     {
       
   153     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateInstallOperation::OperationComplete() begin");
       
   154 
       
   155     ContentOperationComplete( aOperation, aError );
       
   156     
       
   157     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateInstallOperation::OperationComplete() end");
       
   158     }        
       
   159 
       
   160 
       
   161 // ---------------------------------------------------------------------------
       
   162 // CIAUpdateDownloadOperation::HandleContentL
       
   163 // 
       
   164 // ---------------------------------------------------------------------------
       
   165 //
       
   166 MNcdOperation* CIAUpdateDownloadOperation::HandleContentL()
       
   167     {
       
   168     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::HandleContentL begin");
       
   169 
       
   170     MNcdOperation* operation( NULL );
       
   171 
       
   172     // If node is already installed, then do not download it again.
       
   173     // Notice, that casting is safe here, because NewLC function uses
       
   174     // CIAUpdateNode which is given to the constructor and for parent class. 
       
   175     // So, the node is CIAUpdateNode even if the parent operation class uses
       
   176     // pointer to node's parent. 
       
   177     CIAUpdateNode& node( static_cast< CIAUpdateNode& >( Node() ) );
       
   178     if ( !node.IsInstalled() )
       
   179         {
       
   180         IAUPDATE_TRACE("[IAUPDATE] Create download operation.");
       
   181         operation = DownloadL();
       
   182         }
       
   183 
       
   184     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::HandleContentL end");
       
   185 
       
   186     return operation;
       
   187     }
       
   188 
       
   189 
       
   190 // ---------------------------------------------------------------------------
       
   191 // CIAUpdateDownloadOperation::DownloadL
       
   192 // 
       
   193 // ---------------------------------------------------------------------------
       
   194 //    
       
   195 MNcdOperation* CIAUpdateDownloadOperation::DownloadL()
       
   196     {
       
   197     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadL() begin");
       
   198 
       
   199     MNcdOperation* operation( NULL );
       
   200     
       
   201     MNcdNodeDownload* download = 
       
   202         Node().Node().QueryInterfaceLC< MNcdNodeDownload >();
       
   203     
       
   204     if ( download )
       
   205         {
       
   206         // Download interface exists. So, we can do downloading.
       
   207         if( !download->IsDownloadedL() )
       
   208             {
       
   209             // Only do download operation if we have not already downloaded.
       
   210             operation = download->DownloadContentL( *this );
       
   211             
       
   212             if( !operation )
       
   213                 {
       
   214                 // Could not create the operation for some reason.
       
   215                 IAUPDATE_TRACE("[IAUPDATE] ERROR Could not create the operation.");
       
   216                 User::Leave( KErrGeneral );
       
   217                 }
       
   218             }
       
   219 
       
   220         CleanupStack::PopAndDestroy( download );
       
   221         }
       
   222     else
       
   223         {
       
   224         IAUPDATE_TRACE("[IAUPDATE] Download interface was not found.");
       
   225         User::Leave( KErrNotFound );
       
   226         }
       
   227 
       
   228     IAUPDATE_TRACE("[IAUPDATE] CIAUpdateNode::DownloadL() end");
       
   229 
       
   230     return operation;
       
   231     }
       
   232         
       
   233 
       
   234