diff -r d189ee25cf9d -r 3533d4323edc meetingrequest/mricalviewer/src/cesmricalvieweropenmrcmd.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mricalviewer/src/cesmricalvieweropenmrcmd.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,426 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Open meeting request command implementation
+*
+*/
+
+
+// INCLUDE FILES
+#include "emailtrace.h"
+#include "cesmricalvieweropenmrcmd.h"
+#include "cesmricalviewerloadmrdatacmd.h"
+#include "cesmricalvieweremailasynccmd.h"
+#include "cesmricalvieweremailsynccmd.h"
+#include "cesmruilauncher.h"
+#include "cmrattachmentinfofetcher.h"
+#include "esmricalviewerutils.h"
+
+//<cmail>
+#include "esmricalvieweropcodes.hrh"
+//</cmail>
+#include <calsession.h>
+
+// ======== MEMBER FUNCTIONS ========
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd(
+        MESMRIcalViewerCallback& aCallback,
+        CFSMailClient& aMailClient,
+        CCalSession& aCalSession )
+:   CESMRIcalViewerAsyncCommand( EESMRViewLaunch, aCalSession ),
+    iCallback( aCallback ),
+    iMailClient( aMailClient ),
+    iCurrentCbCommand( EESMREmailCommand )
+    {
+    FUNC_LOG;
+    iResult.iResultCode = KErrNone;
+    iResult.iOpType = OperationType();
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerOpenMRCmd::~CESMRIcalViewerOpenMRCmd()
+    {
+    FUNC_LOG;
+    CancelCommand();
+    delete iLoadMRDataCmd;
+    delete iUILauncher;
+    delete iAttachmentInfoFetcher;
+
+    if( iEmailCommand )
+        {
+        delete iEmailCommand;
+        iEmailCommand = NULL;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerOpenMRCmd* CESMRIcalViewerOpenMRCmd::NewL(
+        MESMRIcalViewerCallback& aCallback,
+        CFSMailClient& aMailClient,
+        CCalSession& aCalSession )
+    {
+    FUNC_LOG;
+    CESMRIcalViewerOpenMRCmd* self =
+            new (ELeave) CESMRIcalViewerOpenMRCmd(
+                    aCallback,
+                    aMailClient,
+                    aCalSession );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::ConstructL()
+    {
+    FUNC_LOG;
+    BaseConstructL();
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::ExecuteAsyncCommandL()
+    {
+    FUNC_LOG;
+    iResult.iOpType = OperationType();
+    iResult.iMessage = Message();
+    iResult.iResultCode = KErrNone;
+
+    iLoadMRDataCmd =
+            CESMRIcalViewerLoadMRDataCmd::NewL(
+                    CalSession(),
+                    iMailClient,
+                    iInputParameters );
+
+    iLoadMRDataCmd->ExecuteCommandL( *Message(), *this );
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::CancelAsyncCommand()
+    {
+    FUNC_LOG;
+    if ( iLoadMRDataCmd )
+        {
+        iLoadMRDataCmd->CancelCommand();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::OperationCompleted(
+         MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )
+    {
+    FUNC_LOG;
+    TRAPD( err, HandleOperationCompeletedL( aResult ) );
+    HandleError( err );
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::OperationError(
+        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )
+    {
+    FUNC_LOG;
+    iResult = aResult;
+    iResult.iOpType = OperationType();
+
+    if ( EESMRLaunchUI == aResult.iOpType )
+        {
+        delete iUILauncher;
+        iUILauncher = NULL;
+        }
+    if ( !iUILauncher &&
+          EESMREmailCommand == iCurrentCbCommand &&
+          KErrCancel == aResult.iResultCode )
+        {
+        // We would like to launch mr again
+        iInputParameters.iMailClient = &iMailClient;
+        iInputParameters.iMailMessage = Message();
+        iInputParameters.iCommand = EESMRCmdUndefined;
+        iInputParameters.iSpare = 0;
+        TRAPD( err, LaunchUIL() );
+        iResult.iResultCode = err;
+
+        if ( err != KErrNone )
+            {
+            Observer()->OperationError( iResult );
+            }
+        }
+    else
+        {
+        Observer()->OperationError( iResult );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::ProcessCommandL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::ProcessCommandL(TInt aCommandId)
+    {
+    FUNC_LOG;
+    ProcessCommandWithResultL( aCommandId );
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::ProcessCommandWithResultL
+// -----------------------------------------------------------------------------
+//
+TInt CESMRIcalViewerOpenMRCmd::ProcessCommandWithResultL( TInt aCommandId )
+    {
+    FUNC_LOG;
+
+    TInt retValue( KErrNotSupported );
+
+    if ( IsCommandAvailable( aCommandId ) )
+        {
+        iMRViewerCommand = aCommandId;
+
+        iCurrentCbCommand =
+                ESMRIcalViewerUtils::EmailOperation(aCommandId);
+
+        TBool asyncCommand(
+                ESMRIcalViewerUtils::IsAsyncEmailCommand( iCurrentCbCommand ) );
+
+        if( iEmailCommand )
+            {
+            delete iEmailCommand;
+            iEmailCommand = NULL;
+            }
+
+        if ( asyncCommand )
+            {
+            iEmailCommand = CESMRIcalViewerEmailAsyncCmd::NewL(
+                    iCurrentCbCommand,
+                    CalSession(),
+                    iCallback );
+            }
+        else
+            {
+            iEmailCommand = CESMRIcalViewerEmailSyncCmd::NewL(
+                                    iCurrentCbCommand,
+                                    CalSession(),
+                                    iCallback );
+            }
+
+        iEmailCommand->ExecuteCommandL( *Message(), *this );
+
+        if ( !asyncCommand )
+            {
+            // Email specific sync command has been executed.
+            iCurrentCbCommand = EESMREmailCommand;
+            }
+        retValue = KErrNone;
+        }
+
+
+    return retValue;
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::IsCommandAvailable
+// -----------------------------------------------------------------------------
+//
+TBool CESMRIcalViewerOpenMRCmd::IsCommandAvailable( TInt aCommandId )
+    {
+    FUNC_LOG;
+
+    TESMRIcalViewerOperationType command(
+             ESMRIcalViewerUtils::EmailOperation(aCommandId) );
+
+    TBool canProcessCommand( iCallback.CanProcessCommand( command  ) );
+
+    return canProcessCommand;
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::HandleOperationCompeletedL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::HandleOperationCompeletedL(
+        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )
+    {
+    FUNC_LOG;
+
+
+    if ( EESMRLaunchUI == aResult.iOpType )
+            {
+            delete iUILauncher;
+            iUILauncher = NULL;
+            }
+    else if ( aResult.iOpType == EESMRLoadMRData )
+        {
+        // MR data is loaded
+        FillAttachmentInfoL();
+        }
+    else if( aResult.iOpType == EESMRFetchAttachmentInfo )
+        {
+        // Attachment information is loaded
+        iInputParameters.iMailClient = &iMailClient;
+        iInputParameters.iMailMessage = Message();
+        iInputParameters.iCommand = EESMRCmdUndefined;
+        iInputParameters.iSpare = 0;
+        LaunchUIL();
+        }
+    else if ( aResult.iOpType == iCurrentCbCommand )
+        {
+        TBool asyncCommand( ESMRIcalViewerUtils::IsAsyncEmailCommand(iCurrentCbCommand) );
+
+        switch ( aResult.iOpType )
+            {
+            case EESMRCmdOpenAttachment://fallthrough
+            case EESMRCmdOpenAttachmentView://fallthrough
+            case EESMRCmdDownloadAttachment://fallthrough
+            case EESMRCmdDownloadAllAttachments://fallthrough
+            case EESMRCmdSaveAttachment://fallthrough
+            case EESMRCmdSaveAllAttachments://fallthrough
+                {
+                if ( ESMRIcalViewerUtils::ContainsAttachments(iInputParameters) &&
+                     iMRViewerCommand != iCurrentCbCommand )
+                    {
+                    iInputParameters.iCommand =
+                            ESMRIcalViewerUtils::MRResponseCommandWithoutAttachmentCheck(
+                                    iMRViewerCommand);
+                    }
+                iCurrentCbCommand = EESMREmailCommand;
+                LaunchUIL();
+                }
+                break;
+
+            case EESMRCmdMailForwardAsMessage://fallthrough
+            case EESMRCmdMailCopyMessage://fallthrough
+            case EESMRCmdMailComposeMessage://fallthrough
+            case EESMRCmdMailMessageDetails://fallthrough
+            case EESMRCmdDownloadManager://fallthrough
+            case EESMRCmdMailReply://fallthrough
+            case EESMRCmdMailReplyAll://fallthrough
+                {
+                // Ui needs to be relaunched
+                iCurrentCbCommand = EESMREmailCommand;
+                LaunchUIL();
+                }
+                break;
+
+            case EESMRCmdMailMoveMessage:
+                {
+                iCurrentCbCommand = EESMREmailCommand;
+                if ( KErrCancel == aResult.iResultCode )
+                    {
+                    LaunchUIL();
+                    }
+                }
+                break;
+
+            case EESMRCmdMailPreviousMessage:
+            case EESMRCmdMailNextMessage:
+            case EESMRCmdMailMoveMessageToDrafts:
+            case EESMRCmdMailDelete:
+                {
+                //ui won't be relaunched
+                iCurrentCbCommand = EESMREmailCommand;
+                }
+                break;
+            default:
+                break;
+            }
+        }
+
+    if ( !iUILauncher &&
+         EESMREmailCommand == iCurrentCbCommand &&
+         aResult.iOpType != EESMRLoadMRData)
+        {
+        iResult.iAttendeeStatus =
+                ESMRIcalViewerUtils::UserResponsedToMRL(
+                        *iInputParameters.iCalEntry );
+        Observer()->OperationCompleted( iResult );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::HandleError
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::HandleError( TInt aError )
+    {
+    FUNC_LOG;
+    if ( KErrNone != aError )
+        {
+        iResult.iResultCode = aError;
+        Observer()->OperationError( iResult );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::LaunchUIL
+// ---------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::LaunchUIL()
+    {
+    FUNC_LOG;
+    if ( !iUILauncher )
+        {
+        iUILauncher = CESMRUiLauncher::NewL(
+                            CalSession(),
+                            iInputParameters,
+                            *this );
+        }
+
+    iUILauncher->ExecuteCommandL( *Message(), *this );
+    }
+
+// ---------------------------------------------------------------------------
+// CESMRIcalViewerOpenMRCmd::FillAttachmentInfoL
+// ---------------------------------------------------------------------------
+//
+void CESMRIcalViewerOpenMRCmd::FillAttachmentInfoL()
+    {
+    FUNC_LOG;
+
+    if ( !iAttachmentInfoFetcher )
+        {
+        iAttachmentInfoFetcher =
+                CMRAttachmentInfoFetcher::NewL(
+                        iMailClient,
+                        CalSession(),
+                        *(iInputParameters.iCalEntry) );
+        }
+
+    iAttachmentInfoFetcher->ExecuteCommandL( *Message(), *this );
+    }
+
+// EOF
+
+