email/mail/ViewerSrc/CMailForwardoperation.cpp
changeset 0 72b543305e3a
equal deleted inserted replaced
-1:000000000000 0:72b543305e3a
       
     1 /*
       
     2 * Copyright (c) 2002-2006 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 "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:  Mail forward operation
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 #include    "CMailForwardOperation.h"
       
    20 #include    "MsgMailViewerDocument.h"
       
    21 #include    "MailLog.h"
       
    22 #include    "MailUtils.h"
       
    23 #include    "MsgMailDRMHandler.h"
       
    24 #include    "cmailwaitoperation.h"
       
    25 #include    <CMailMessage.h>
       
    26 #include    <MsgMailViewer.rsg>
       
    27 #include    <e32base.h>
       
    28 #include    <mtmuibas.h>
       
    29 #include    <mtmuidef.hrh>
       
    30 #include    <mtmdef.h>
       
    31 #include    <impicmds.h>
       
    32 #include    <imapcmds.h>
       
    33 #include    <MsgAttachmentInfo.h>
       
    34 #include    <mmsvattachmentmanager.h>
       
    35 #include    <MsvPrgReporter.h>
       
    36 #include    <MuiuMsvSingleOpWatcher.h>
       
    37 
       
    38 // CONSTANTS
       
    39 enum TOperationState
       
    40     {
       
    41     ESuspendOperation = 1,
       
    42     ELoadAttachments,
       
    43     EGetAttachments,
       
    44     EConnectToService,
       
    45     EUpdateEntryFlags,
       
    46     EForwardMessage
       
    47     };
       
    48     
       
    49 // ============================ MEMBER FUNCTIONS ===============================
       
    50 
       
    51 // -----------------------------------------------------------------------------
       
    52 // CMailForwardOperation::CMailForwardOperation
       
    53 // C++ default constructor can NOT contain any code, that
       
    54 // might leave.
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CMailForwardOperation::CMailForwardOperation(
       
    58     CMsgMailViewerDocument& aDocument,
       
    59     TRequestStatus& aObserverRequestStatus ): 
       
    60     CMailOperation( aDocument.Session(), 
       
    61     CActive::EPriorityStandard, 
       
    62     aObserverRequestStatus ),
       
    63     iDocument( aDocument ),
       
    64     iOperationState( KErrArgument )
       
    65     {
       
    66     CActiveScheduler::Add( this );   
       
    67     }
       
    68 
       
    69 // -----------------------------------------------------------------------------
       
    70 // CMailForwardOperation::ConstructL
       
    71 // Symbian 2nd phase constructor can leave.
       
    72 // -----------------------------------------------------------------------------
       
    73 //
       
    74 inline void CMailForwardOperation::ConstructL()
       
    75     {
       
    76     iSelection = new(ELeave) CMsvEntrySelection;
       
    77     iMtm = iDocument.Mtm().Type();
       
    78     // Issue first step
       
    79     NexStateL();    
       
    80     }
       
    81 
       
    82 // -----------------------------------------------------------------------------
       
    83 // CMailForwardOperation::NewL
       
    84 // Two-phased constructor.
       
    85 // -----------------------------------------------------------------------------
       
    86 //
       
    87 CMailForwardOperation* CMailForwardOperation::NewL(
       
    88     MMsvProgressReporter& aReporter,
       
    89     CMsgMailViewerDocument& aDocument,
       
    90     TRequestStatus& aObserverRequestStatus,
       
    91     TBool aSetSuspend )
       
    92     {
       
    93     CMailForwardOperation* self = new( ELeave ) CMailForwardOperation( 
       
    94         aDocument,
       
    95         aObserverRequestStatus );
       
    96     
       
    97     CleanupStack::PushL( self );
       
    98     self->iReporter = &aReporter;
       
    99     self->iOperationState = aSetSuspend ? ESuspendOperation : ELoadAttachments;
       
   100     self->ConstructL();
       
   101 	CleanupStack::Pop( self );
       
   102     return self;
       
   103     }
       
   104 
       
   105     
       
   106 // Destructor
       
   107 CMailForwardOperation::~CMailForwardOperation()
       
   108     {
       
   109     LOG("CMailForwardOperation::~CMailForwardOperation");       
       
   110     Cancel();
       
   111     delete iOperation;
       
   112     delete iSelection;
       
   113     }
       
   114 
       
   115 // -----------------------------------------------------------------------------
       
   116 // CMailForwardOperation::SuspendL
       
   117 // -----------------------------------------------------------------------------
       
   118 //
       
   119 void CMailForwardOperation::SuspendL( TBool aSetSuspend )
       
   120     {
       
   121     LOG1("CMailForwardOperation::SuspendL:%d", aSetSuspend);
       
   122     if ( aSetSuspend )
       
   123         {
       
   124         ASSERT( iOperation == NULL );
       
   125         iOperation = CMailWaitOperation::NewL( 
       
   126     	    iDocument.Session(), 
       
   127     	    iStatus );
       
   128         LOG1("CMailForwardOperation::SuspendL::%08x", 
       
   129             iOperation);     
       
   130     	SetActive();         
       
   131         iOperationState = ESuspendOperation;
       
   132         }
       
   133     else
       
   134         {
       
   135         if ( iOperationState == ESuspendOperation )
       
   136             {
       
   137             delete iOperation;
       
   138             iOperation = NULL;
       
   139             iOperationState = ELoadAttachments;
       
   140             }
       
   141         }
       
   142     }
       
   143 
       
   144 // -----------------------------------------------------------------------------
       
   145 // Called when UI gets Operation completed notification 
       
   146 // -----------------------------------------------------------------------------
       
   147 //
       
   148 TBool CMailForwardOperation::CompletedL( TInt /*aCompletionCode*/ )
       
   149     {
       
   150     TBool ret(ETrue);
       
   151    /* if ( aCompletionCode == KErrCancel && 
       
   152         (iOperationState == ESuspendOperation ||
       
   153         iOperationState == EGetAttachments || 
       
   154         iOperationState == EConnectToService ) )
       
   155         {
       
   156         LOG("CMailForwardOperation::CompletedL - continue");
       
   157         // Let's forward what we can
       
   158         iOperationState = EUpdateEntryFlags;
       
   159         NexStateL();
       
   160         ret = EFalse;
       
   161         }*/
       
   162     return ret;    
       
   163     }
       
   164 
       
   165 // -----------------------------------------------------------------------------
       
   166 // CMailForwardOperation::ProgressL
       
   167 // -----------------------------------------------------------------------------
       
   168 //
       
   169 const TDesC8& CMailForwardOperation::ProgressL()
       
   170     {
       
   171     LOG("CMailForwardOperation::ProgressL");
       
   172     // Used CMsvProgressReporterOperation is set to display only wait bar.
       
   173     // --> So there is no need to resolve the progress
       
   174     return KNullDesC8();     
       
   175     }
       
   176 // -----------------------------------------------------------------------------
       
   177 // CMailForwardOperation::DoCancel
       
   178 // -----------------------------------------------------------------------------
       
   179 //	    
       
   180 void CMailForwardOperation::DoCancel()
       
   181     {
       
   182     LOG1("CMailForwardOperation::DoCancel iOperationState:%d", 
       
   183         iOperationState);        
       
   184     LOG1("CMailForwardOperation::DoCancel iOperation::%08x", 
       
   185         iOperation);        
       
   186     if ( iOperation )
       
   187         {
       
   188         iOperation->Cancel();
       
   189         }
       
   190         
       
   191 	if( iOperationState == EGetAttachments ) 
       
   192 		{ // Actually we are still LOADING attachments in this case, but this
       
   193 		  // state machine has been implemented so that iOperationState has
       
   194 		  // already been incremented...
       
   195 		LOG("CMailForwardOperation::DoCancel, Canceling attachment loading");
       
   196 		iDocument.MailMessage().Cancel();
       
   197 		// Note: Canceling CMailMessage::LoadAttachmentsL() does not cancel
       
   198 		// our own pending request or even notify us, so we must do it manually		
       
   199 		TRequestStatus* status = &iStatus;
       
   200 		User::RequestComplete( status, KErrCancel );
       
   201 		}        
       
   202         
       
   203     // Complete observer
       
   204     CompleteObserver( iStatus.Int() );         
       
   205     }
       
   206 // -----------------------------------------------------------------------------
       
   207 // CMailForwardOperation::RunL
       
   208 // -----------------------------------------------------------------------------
       
   209 //	    
       
   210 void CMailForwardOperation::RunL()
       
   211     {
       
   212     LOG1("CMailForwardOperation::RunL iStatus:%d", iStatus.Int());
       
   213     
       
   214     if ( iStatus.Int() != KErrNone || !NexStateL() )
       
   215         {
       
   216         CompleteObserver( iStatus.Int() );
       
   217        // Deque();
       
   218         }
       
   219     }
       
   220 // -----------------------------------------------------------------------------
       
   221 // CMailForwardOperation::RunError
       
   222 // -----------------------------------------------------------------------------
       
   223 //	    
       
   224 TInt CMailForwardOperation::RunError( TInt aError )
       
   225     {
       
   226     LOG1("CMailForwardOperation::RunError aError:%d", aError);
       
   227     CompleteObserver( aError );
       
   228     return KErrNone; // must return KErrNone to active sheduler
       
   229     }
       
   230 
       
   231 // -----------------------------------------------------------------------------
       
   232 // CMailForwardOperation::MessageLoadingL 
       
   233 // From 
       
   234 // -----------------------------------------------------------------------------
       
   235 // 
       
   236 void CMailForwardOperation::MessageLoadingL(
       
   237     TInt aStatus, CMailMessage& /*aMessage*/)
       
   238 	{
       
   239 	if( aStatus == CMailMessage::EAttachmentsReady ) 
       
   240 		{
       
   241 		// next state
       
   242 		LOG("CMailForwardOperation::MessageLoadingL");
       
   243 		TRequestStatus* status = &iStatus;
       
   244 		User::RequestComplete( status, KErrNone );
       
   245 		}
       
   246 	}      
       
   247 // -----------------------------------------------------------------------------
       
   248 // CMailForwardOperation::CompleteObserver
       
   249 // -----------------------------------------------------------------------------
       
   250 //
       
   251 void CMailForwardOperation::CompleteObserver( TInt aStatus )
       
   252     {
       
   253     TRequestStatus* status = &iObserverRequestStatus;
       
   254     User::RequestComplete( status, aStatus ); 
       
   255     }
       
   256 
       
   257 
       
   258 // -----------------------------------------------------------------------------
       
   259 // CMailForwardOperation::ConnectToServiceL
       
   260 // -----------------------------------------------------------------------------
       
   261 //
       
   262 void CMailForwardOperation::ConnectToServiceL()
       
   263     {
       
   264     LOG("CMailForwardOperation::ConnectToServiceL");      
       
   265 	// connect to service
       
   266 	TBuf8<1> param;
       
   267 
       
   268 	// set context to imap service
       
   269 	TMsvId imapservice = iDocument.Mtm().Entry().OwningService();
       
   270 	iDocument.Mtm().SwitchCurrentEntryL( imapservice );
       
   271 	
       
   272 	if ( !iDocument.Mtm().Entry().Entry().Connected() )
       
   273 	    {	    
       
   274     	CMsvEntrySelection* imapbox = new(ELeave) CMsvEntrySelection;
       
   275         CleanupStack::PushL(imapbox);
       
   276         imapbox->AppendL( imapservice );
       
   277         ASSERT( iOperation == NULL );
       
   278     
       
   279     	iOperation = 
       
   280     	    iDocument.MtmUi().InvokeAsyncFunctionL( 
       
   281     	        KIMAP4MTMConnect, *imapbox, iStatus, param );
       
   282         LOG1("CMailForwardOperation::ConnectToServiceL::%08x", 
       
   283             iOperation);        
       
   284     	CleanupStack::PopAndDestroy( imapbox );        
       
   285     	SetActive();
       
   286 	    }
       
   287 	 else
       
   288 	    {
       
   289 	    // We are online, start fetch
       
   290 	    ASSERT( iSelection );
       
   291 	    FetchAttachmentsL( *iSelection );
       
   292 	    }
       
   293     }
       
   294 
       
   295 // -----------------------------------------------------------------------------
       
   296 // CMailForwardOperation::CheckAttachmentsL
       
   297 // -----------------------------------------------------------------------------
       
   298 //
       
   299 void CMailForwardOperation::CheckAttachmentsL()
       
   300     {
       
   301     MMsvAttachmentManager& attachmentManager = 
       
   302         iDocument.MailMessage().AttachmentManager();
       
   303     LOG1("CMailForwardOperation::CheckAttachmentsL attachmentCount:%d", 
       
   304          attachmentManager.AttachmentCount());	
       
   305     
       
   306     TInt maxSize(0);    
       
   307     // attachment count not static
       
   308     for( TInt index(0); index<attachmentManager.AttachmentCount(); ++index )    
       
   309         {
       
   310         CMsvAttachment* info = attachmentManager.GetAttachmentInfoL( index );
       
   311         CleanupStack::PushL( info );
       
   312         
       
   313         if( !info->Complete() )
       
   314             {
       
   315 			// if not fetched, append to the list
       
   316 			iSelection->AppendL( info->Id() );
       
   317 			// check if this is 1st or largest unfetched attachment
       
   318 			if ( info->Size() > maxSize )
       
   319 				{
       
   320 				maxSize = info->Size();
       
   321 				}			                
       
   322             }
       
   323         CleanupStack::PopAndDestroy( info ); 
       
   324         }      
       
   325 
       
   326     FetchAttachmentsL( *iSelection, maxSize );           
       
   327     }
       
   328 
       
   329 // -----------------------------------------------------------------------------
       
   330 // CMailForwardOperation::LoadAttachmentsL
       
   331 // -----------------------------------------------------------------------------
       
   332 //
       
   333 void CMailForwardOperation::LoadAttachmentsL()
       
   334     {
       
   335     iDocument.MailMessage().LoadAttachmentsL( *this );    
       
   336     iStatus = KRequestPending;
       
   337     SetActive();
       
   338     }
       
   339 // -----------------------------------------------------------------------------
       
   340 // CMailForwardOperation::ForwardMessageL
       
   341 // -----------------------------------------------------------------------------
       
   342 //
       
   343 void CMailForwardOperation::ForwardMessageL()
       
   344     {
       
   345     LOG("CMailForwardOperation::ForwardMessageL");    
       
   346         
       
   347     iOperationState = EForwardMessage;  
       
   348     TMsvId msgId = iDocument.MailMessage().MessageEntry().Id();    
       
   349     TMsvPartList parts =
       
   350         KMsvMessagePartBody |
       
   351         KMsvMessagePartDescription |
       
   352         KMsvMessagePartAttachments;
       
   353     iDocument.SetEntryWithoutNotificationL( msgId );
       
   354     CBaseMtmUi& mtmUi = iDocument.MtmUi();
       
   355 
       
   356     mtmUi.SetPreferences( 
       
   357         mtmUi.Preferences() | 
       
   358         EMtmUiFlagEditorPreferEmbedded );
       
   359     // Set context to message
       
   360     iDocument.Mtm().SwitchCurrentEntryL( msgId );
       
   361     iDocument.Mtm().Entry().Entry();
       
   362 
       
   363     // hide the progress note
       
   364     iReporter->MakeProgressVisibleL( EFalse );
       
   365 
       
   366     ASSERT( iOperation == NULL );    
       
   367     iOperation = mtmUi.ForwardL( 
       
   368         iDocument.DefaultMsgFolder(), 
       
   369         parts, 
       
   370         iStatus );
       
   371     LOG1("CMailForwardOperation::ForwardMessageL::%08x", 
       
   372         iOperation); 
       
   373     SetActive();    
       
   374     }
       
   375 
       
   376 // -----------------------------------------------------------------------------
       
   377 // CMailForwardOperation::UpdateEntryFlagsL
       
   378 // -----------------------------------------------------------------------------
       
   379 //
       
   380 void CMailForwardOperation::UpdateEntryFlagsL()
       
   381     {
       
   382     LOG("CMailForwardOperation::UpdateEntryFlagsL");
       
   383     TMsvId msgID = iDocument.MailMessage().MessageEntry().Id();
       
   384     iDocument.Mtm().SwitchCurrentEntryL( msgID );
       
   385     
       
   386     TMsvEntry msgEntry = iDocument.Mtm().Entry().Entry();
       
   387     ASSERT( msgEntry.iType == KUidMsvMessageEntry );
       
   388     msgEntry.SetComplete( ETrue );
       
   389   
       
   390     ASSERT( iOperation == NULL );   
       
   391     iOperation =  iDocument.Mtm().Entry().ChangeL( 
       
   392         msgEntry, 
       
   393         iStatus );
       
   394     LOG1("CMailForwardOperation::UpdateEntryFlagsL::%08x", 
       
   395         iOperation);     
       
   396     iOperationState = EUpdateEntryFlags;
       
   397     SetActive();
       
   398     }
       
   399     
       
   400 // ------------------------------------------------------------------------------
       
   401 // CMailForwardOperation::FetchAttachmentsL()
       
   402 // ------------------------------------------------------------------------------
       
   403 //
       
   404 void CMailForwardOperation::FetchAttachmentsL( 
       
   405     CMsvEntrySelection& aSelection, TInt aMaxSize)
       
   406 	{
       
   407     LOG1("CMailForwardOperation::FetchAttachmentsL aMaxSize:%d", aMaxSize);	
       
   408 	// if some files are not on device, fetch them
       
   409     if ( aSelection.Count() )
       
   410         {
       
   411         TInt status( MailUtils::EQueryForward );
       
   412         if ( !iDocument.IsOnLineL() )
       
   413         	{
       
   414         	status |= MailUtils::EConnectionOffline;
       
   415         	}
       
   416         // check if large attachment is not fetched and if user
       
   417 		// wants to fetch it
       
   418 		if ( MailUtils::LargeAttachmentQueryL( aMaxSize, status ) )
       
   419 			{
       
   420 			ConnectToServiceL();
       
   421 			}
       
   422 		else
       
   423 			{
       
   424 			// User does not want to fetch, let's just forward the message.
       
   425 			// After this entry completed flag is updated incorrectly, but 
       
   426 			// that should not cause any problems. If completed flag is not set
       
   427 			// forward operation tries to make connection to mailbox.
       
   428 			UpdateEntryFlagsL();
       
   429 			}
       
   430 		}
       
   431 	else
       
   432 	    {
       
   433 	    // Attachments are fetched, make sure entry flag is updated
       
   434 	    UpdateEntryFlagsL();
       
   435 	    }
       
   436         	
       
   437 	}    
       
   438 
       
   439 // ------------------------------------------------------------------------------
       
   440 // CMailForwardOperation::FetchAttachmentsL()
       
   441 // ------------------------------------------------------------------------------
       
   442 //
       
   443 void CMailForwardOperation::FetchAttachmentsL( 
       
   444     CMsvEntrySelection& aSelection )
       
   445     {
       
   446     TBuf8<1> param;    
       
   447 	// Do actual fetch operation
       
   448     ASSERT( iOperation == NULL );
       
   449     iOperation = iDocument.Mtm().InvokeAsyncFunctionL( 
       
   450 	    KIMAP4MTMPopulate, aSelection, param, iStatus );
       
   451     LOG1("CMailForwardOperation::FetchAttachmentsL::%08x", 
       
   452         iOperation); 	    
       
   453 	SetActive();    
       
   454     }
       
   455 
       
   456 // ------------------------------------------------------------------------------
       
   457 // void CMailForwardOperation::NexStateL()
       
   458 // ------------------------------------------------------------------------------
       
   459 //
       
   460 TBool CMailForwardOperation::NexStateL()
       
   461     {
       
   462     // Reset previous operation
       
   463     delete iOperation;
       
   464     iOperation = NULL;
       
   465         
       
   466     TBool valid( ETrue );
       
   467     switch( iOperationState )
       
   468         {
       
   469         case ESuspendOperation:
       
   470             SuspendL( ETrue );
       
   471             break;
       
   472             
       
   473         case ELoadAttachments:
       
   474             LoadAttachmentsL();
       
   475             iOperationState++;
       
   476             break;
       
   477             
       
   478         case EGetAttachments:
       
   479             CheckAttachmentsL();
       
   480             iOperationState++;
       
   481             break;
       
   482         
       
   483         case EConnectToService:
       
   484             // Now we are online let's fetch 'em
       
   485             FetchAttachmentsL( *iSelection );
       
   486             iOperationState++;
       
   487             break;            
       
   488             
       
   489         case EUpdateEntryFlags:
       
   490             // Now we are ready to forward
       
   491             // Attachment model is not updated, but that's not a problem?
       
   492             UpdateEntryFlagsL();
       
   493             iOperationState++;
       
   494             break;     
       
   495                         
       
   496         case EForwardMessage:
       
   497             ForwardMessageL();
       
   498             iOperationState++;
       
   499             break;
       
   500         default:
       
   501             LOG("CMailForwardOperation::NexStateL - all done");
       
   502             valid = EFalse;
       
   503             break;
       
   504         };
       
   505     
       
   506     return valid;    
       
   507     }
       
   508 
       
   509 //  End of File