meetingrequest/mricalviewer/src/cesmricalviewercmdhandler.cpp
branchRCL_3
changeset 25 3533d4323edc
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24:d189ee25cf9d 25:3533d4323edc
       
     1 /*
       
     2 * Copyright (c) 2007-2009 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:  ESMR esmricalviewer implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 
       
    21 #include "emailtrace.h"
       
    22 #include "cesmricalviewercmdhandler.h"
       
    23 #include "cesmricalvieweropenmrcmd.h"
       
    24 #include "cesmricalviewercanviewmr.h"
       
    25 #include "cesmricalviewerresolvemrmethodsync.h"
       
    26 #include "cesmricalviewerresolvemrmethodasync.h"
       
    27 #include "cesmricalviewerresponsetomrcmd.h"
       
    28 #include "cesmricalviewerremovemrfromcalcmd.h"
       
    29 
       
    30 #include <calsession.h>
       
    31 //<cmail>
       
    32 #include "cfsmailclient.h"
       
    33 #include "esmricalvieweropcodes.hrh"
       
    34 #include "esmricalviewerdefs.hrh"
       
    35 //</cmail>
       
    36 #include <eikenv.h>
       
    37 
       
    38 /// Unnamed namespace for local definitions
       
    39 namespace {
       
    40 
       
    41 // Panic literal
       
    42 _LIT( KESMRIcalViewerCmdHandler, "ESMRIcalViewerCmdHandler" );
       
    43 
       
    44 enum TESMRIcalViewerCmdHandlerPanic
       
    45     {
       
    46     EInvalidCommand = 0, // Trying to execute invalid command
       
    47     EInvalidObserverCall
       
    48     };
       
    49 
       
    50 void Panic( TESMRIcalViewerCmdHandlerPanic aPanic )
       
    51     {
       
    52     User::Panic( KESMRIcalViewerCmdHandler, aPanic );
       
    53     }
       
    54 
       
    55 }  // namespace
       
    56 
       
    57 // ======== MEMBER FUNCTIONS ========
       
    58 
       
    59 // -----------------------------------------------------------------------------
       
    60 // CESMRIcalViewerCmdHandler::CESMRIcalViewerCmdHandler
       
    61 // -----------------------------------------------------------------------------
       
    62 //
       
    63 CESMRIcalViewerCmdHandler::CESMRIcalViewerCmdHandler(
       
    64         MESMRIcalViewerCallback& aCallback )
       
    65 :   iCallback( aCallback )
       
    66     {
       
    67     FUNC_LOG;
       
    68     //do nothing
       
    69     }
       
    70 
       
    71 // -----------------------------------------------------------------------------
       
    72 // CESMRIcalViewerCmdHandler::~CESMRIcalViewerCmdHandler
       
    73 // -----------------------------------------------------------------------------
       
    74 //
       
    75 CESMRIcalViewerCmdHandler::~CESMRIcalViewerCmdHandler()
       
    76     {
       
    77     FUNC_LOG;
       
    78     CancelOperation();
       
    79 
       
    80     delete iCommand;
       
    81     delete iMessage;
       
    82     if ( iMailClient )
       
    83         {
       
    84         iMailClient->Close();
       
    85         }
       
    86     delete iCalSession;
       
    87     }
       
    88 
       
    89 // -----------------------------------------------------------------------------
       
    90 // CESMRIcalViewerCmdHandler::NewL
       
    91 // -----------------------------------------------------------------------------
       
    92 //
       
    93 CESMRIcalViewerCmdHandler* CESMRIcalViewerCmdHandler::NewL(
       
    94         MESMRIcalViewerCallback& aCallback )
       
    95     {
       
    96     FUNC_LOG;
       
    97     CESMRIcalViewerCmdHandler* self =
       
    98             new (ELeave) CESMRIcalViewerCmdHandler( aCallback );
       
    99     CleanupStack::PushL( self );
       
   100     self->ConstructL();
       
   101     CleanupStack::Pop( self );
       
   102     return self;
       
   103     }
       
   104 
       
   105 // -----------------------------------------------------------------------------
       
   106 // CESMRIcalViewerCmdHandler::ConstructL
       
   107 // -----------------------------------------------------------------------------
       
   108 //
       
   109 void CESMRIcalViewerCmdHandler::ConstructL()
       
   110     {
       
   111     FUNC_LOG;
       
   112     iCalSession = CCalSession::NewL();
       
   113     iCalSession->OpenL( KNullDesC );
       
   114     iMailClient = CFSMailClient::NewL();
       
   115     }
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CESMRIcalViewerCmdHandler::ExecuteCommandL
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 void CESMRIcalViewerCmdHandler::ExecuteCommandL(
       
   122         TESMRIcalViewerOperationType aOpType,
       
   123         MESMRIcalViewerObserver* aObserver,
       
   124         CFSMailMessage& aMessage )
       
   125     {
       
   126     FUNC_LOG;
       
   127     ExecuteCommandL( aOpType, aObserver, aMessage, NULL );
       
   128     }
       
   129 
       
   130 // -----------------------------------------------------------------------------
       
   131 // CESMRIcalViewerCmdHandler::ExecuteCommandL
       
   132 // -----------------------------------------------------------------------------
       
   133 //
       
   134 void CESMRIcalViewerCmdHandler::ExecuteCommandL(
       
   135         TESMRIcalViewerOperationType aOpType,
       
   136         MESMRIcalViewerObserver* aObserver,
       
   137         CFSMailMessage& aMessage,
       
   138         TAny* aParam )
       
   139     {
       
   140     FUNC_LOG;
       
   141     TRAPD( err, ExecuteCommandInternalL( aOpType,
       
   142                                         aObserver,
       
   143                                         aMessage,
       
   144                                         aParam ) );
       
   145     
       
   146     if ( KErrNone != err && EIdle != iState )
       
   147         {
       
   148         // Make sure that error is notified to caller in all cases
       
   149         if ( iObserver)
       
   150             {
       
   151             iResult.iMessage = &aMessage;
       
   152             iResult.iResultCode = err;
       
   153             iResult.iOpType = aOpType;        
       
   154             iObserver->OperationError( iResult );
       
   155             }
       
   156         iState = EIdle;
       
   157         }
       
   158     }
       
   159 
       
   160 // -----------------------------------------------------------------------------
       
   161 // CESMRIcalViewerCmdHandler::CancelOperation
       
   162 // -----------------------------------------------------------------------------
       
   163 //
       
   164 void CESMRIcalViewerCmdHandler::CancelOperation()
       
   165     {
       
   166     FUNC_LOG;
       
   167     if ( iCommand )
       
   168         {
       
   169         iCommand->CancelCommand();
       
   170         }
       
   171 
       
   172     iState = EIdle;
       
   173     }
       
   174 
       
   175 // -----------------------------------------------------------------------------
       
   176 // CESMRIcalViewerCmdHandler::OperationCompleted
       
   177 // -----------------------------------------------------------------------------
       
   178 //
       
   179 void CESMRIcalViewerCmdHandler::OperationCompleted(
       
   180         TIcalViewerOperationResult aResult )
       
   181     {
       
   182     FUNC_LOG;
       
   183     __ASSERT_DEBUG( iCommand, Panic(EInvalidObserverCall) );
       
   184     __ASSERT_DEBUG(
       
   185             iCommand->OperationType() == aResult.iOpType,
       
   186             Panic(EInvalidObserverCall) );
       
   187 
       
   188     if ( iObserver )
       
   189         {
       
   190         aResult.iOpType = iCommand->OperationType();
       
   191         iObserver->OperationCompleted( aResult );
       
   192         }
       
   193 
       
   194     iState = EIdle;
       
   195     }
       
   196 
       
   197 // -----------------------------------------------------------------------------
       
   198 // CESMRIcalViewerCmdHandler::OperationError
       
   199 // -----------------------------------------------------------------------------
       
   200 //
       
   201 void CESMRIcalViewerCmdHandler::OperationError(
       
   202                 TIcalViewerOperationResult aResult )
       
   203     {
       
   204     FUNC_LOG;
       
   205     __ASSERT_DEBUG( iCommand, Panic(EInvalidObserverCall) );
       
   206     __ASSERT_DEBUG(
       
   207             iCommand->OperationType() == aResult.iOpType,
       
   208             Panic(EInvalidObserverCall) );
       
   209 
       
   210     if ( iObserver )
       
   211         {
       
   212         aResult.iOpType = iCommand->OperationType();
       
   213         iObserver->OperationError( aResult );
       
   214         }
       
   215 
       
   216     iState = EIdle;
       
   217     }
       
   218 
       
   219 // -----------------------------------------------------------------------------
       
   220 // CESMRIcalViewerCmdHandler::ExecuteCommandInternalL
       
   221 // -----------------------------------------------------------------------------
       
   222 //
       
   223 void CESMRIcalViewerCmdHandler::ExecuteCommandInternalL( 
       
   224         TESMRIcalViewerOperationType aOpType,
       
   225         MESMRIcalViewerObserver* aObserver,
       
   226         CFSMailMessage& aMessage,
       
   227         TAny* aParam )
       
   228     {
       
   229     FUNC_LOG;
       
   230     if ( EExecuting == iState )
       
   231         {
       
   232         User::Leave( KErrInUse );
       
   233         }
       
   234 
       
   235     delete iCommand; iCommand = NULL;
       
   236 
       
   237     iState = EExecuting;
       
   238     iObserver = aObserver;
       
   239 
       
   240     // Get own copy of the message before executing commands
       
   241     delete iMessage; iMessage = NULL;
       
   242     iMessage = iMailClient->GetMessageByUidL(
       
   243             aMessage.GetMailBoxId(),
       
   244             aMessage.GetFolderId(),
       
   245             aMessage.GetMessageId(),
       
   246             EFSMsgDataStructure );
       
   247 
       
   248     switch ( aOpType )
       
   249         {
       
   250         case EESMRViewLaunch:
       
   251             {
       
   252             iCommand = CESMRIcalViewerOpenMRCmd:: NewL(
       
   253                     iCallback,
       
   254                     *iMailClient,
       
   255                     *iCalSession );
       
   256             }
       
   257             break;
       
   258 
       
   259         case EESMRCanViewMR:
       
   260             {
       
   261             TBool* flag = static_cast<TBool*>( aParam );
       
   262             iCommand = CESMRIcalViewerCanViewMsgCmd:: NewL(
       
   263                     *iCalSession,
       
   264                     *flag );
       
   265             }
       
   266             break;
       
   267 
       
   268         case EESMRResolveMRMethod:
       
   269             {
       
   270             iCommand = CESMRIcalViewerResolveMRMethodASyncCmd::NewL(
       
   271                                 *iCalSession,
       
   272                                 *iMailClient );
       
   273             }
       
   274             break;
       
   275 
       
   276         case EESMRResolveMRMethodSync:
       
   277             {
       
   278             TESMRMeetingRequestMethod* mrMethod =
       
   279                     static_cast<TESMRMeetingRequestMethod*>( aParam );
       
   280 
       
   281             iCommand = CESMRIcalViewerResolveMRMethodSyncCmd::NewL(
       
   282                                     *iCalSession,
       
   283                                     *iMailClient,
       
   284                                     *mrMethod );
       
   285             }
       
   286             break;
       
   287 
       
   288         case EESMRResponseToMR:
       
   289             {
       
   290             TESMRAttendeeStatus* attendeeStatus =
       
   291                     static_cast<TESMRAttendeeStatus*>( aParam );
       
   292 
       
   293             iCommand = CESMRIcalViewerResponseToMRCmd::NewL(
       
   294                             iCallback,
       
   295                             *iCalSession,
       
   296                             *iMailClient,
       
   297                             *attendeeStatus);
       
   298 
       
   299             }
       
   300             break;
       
   301 
       
   302         case EESMRRemoveMR:
       
   303             {
       
   304             iCommand = CESMRIcalViewerRemoveMRFromCalCmd::NewL(
       
   305                             *iCalSession,
       
   306                             *iMailClient );
       
   307             }
       
   308             break;
       
   309 
       
   310         default:
       
   311             break;
       
   312         }
       
   313 
       
   314     __ASSERT_ALWAYS( iCommand, Panic( EInvalidCommand) );
       
   315     iCommand->ExecuteCommandL( *iMessage, *this );
       
   316     }
       
   317 
       
   318 // EOF
       
   319