--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mricalviewer/src/cesmricalviewerresponsetomrcmd.cpp	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,380 @@
+/*
+* 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:  Resolving meeting request method asynchronoysly
+*
+*/
+
+
+// INCLUDE FILES
+#include "emailtrace.h"
+#include "cesmricalviewerresponsetomrcmd.h"
+#include "cesmruilauncher.h"
+#include "cesmricalvieweremailasynccmd.h"
+#include "cesmricalvieweremailsynccmd.h"
+#include "esmricalviewerutils.h"
+#include "cesmrattachmentinfo.h"
+
+//<cmail>
+#include "esmricalvieweropcodes.hrh"
+#include <calsession.h>
+#include "CFSMailClient.h"
+//</cmail>
+#include <calentry.h>
+
+#include "cesmrmrinfoicalretriever.h"
+#include "cesmrimapicalretriever.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::CESMRIcalViewerResponseToMRCmd
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerResponseToMRCmd::CESMRIcalViewerResponseToMRCmd(
+        MESMRIcalViewerCallback& aCallback,
+        CCalSession& aCalSession,
+        CFSMailClient& aMailClient,
+        TESMRAttendeeStatus aAttendeeStatus )
+:   CESMRIcalViewerAsyncCommand( EESMRResponseToMR, aCalSession ),
+    iCallback( aCallback ),
+    iMailClient( aMailClient ),
+    iAttendeeStatus( aAttendeeStatus ),
+    iCurrentCbCommand( EESMREmailCommand )
+    {
+    FUNC_LOG;
+    //do nothing
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::~CESMRIcalViewerResponseToMRCmd
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerResponseToMRCmd::~CESMRIcalViewerResponseToMRCmd()
+    {
+    FUNC_LOG;
+    CancelCommand();
+    delete iUILauncher;
+
+    iMRRetrieverCommands.ResetAndDestroy();
+    iMRRetrieverCommands.Close();
+    delete iEmailCommand;
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::NewL
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerResponseToMRCmd* CESMRIcalViewerResponseToMRCmd::NewL(
+        MESMRIcalViewerCallback& aCallback,
+        CCalSession& aCalSession,
+        CFSMailClient& aMailClient,
+        TESMRAttendeeStatus aAttendeeStatus )
+    {
+    FUNC_LOG;
+    CESMRIcalViewerResponseToMRCmd* self =
+            new (ELeave) CESMRIcalViewerResponseToMRCmd(
+                    aCallback,
+                    aCalSession,
+                    aMailClient,
+                    aAttendeeStatus );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::ConstructL()
+    {
+    FUNC_LOG;
+    BaseConstructL();
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::OperationCompleted
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::OperationCompleted(
+        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )
+    {
+    FUNC_LOG;
+    TRAPD( err, HandleOperationCompletedL(aResult) );
+    if (KErrNone != err )
+        {
+        aResult.iOpType = OperationType();
+        aResult.iResultCode = err;
+        Observer()->OperationError( aResult );
+        }
+    else if ( !iUILauncher && ((EESMREmailCommand == iCurrentCbCommand) ||
+    		  (iCurrentCbCommand == EESMRCmdMailDelete)) )
+        {
+        aResult.iOpType = OperationType();
+        aResult.iAttendeeStatus = iAttendeeStatus;
+        Observer()->OperationCompleted( aResult );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::LaunchUiL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::LaunchUiL()
+    {
+    FUNC_LOG;
+    if ( !iUILauncher )
+        {
+        iUILauncher = CESMRUiLauncher::NewL(
+                            CalSession(),
+                            iESMRInputParams,
+                            *this );
+        }
+
+    iUILauncher->ExecuteCommandL( *Message(), *this );
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::OperationError
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::OperationError(
+        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )
+    {
+    FUNC_LOG;
+    if ( aResult.iOpType == EESMRLoadMRInfoData )
+        {
+        if ( aResult.iResultCode == KErrNotFound && iMRRetrieverCommands.Count() > iCurrentCommand + 1 )
+            {
+            TRAPD( error, iMRRetrieverCommands[++iCurrentCommand]->ExecuteCommandL(
+                    *Message(),
+                    *this ) );
+            if ( error != KErrNone )
+                {
+                aResult.iOpType = OperationType();
+                aResult.iResultCode = error;
+                aResult.iMessage = Message();
+                Observer()->OperationError( aResult );
+                }
+            }
+        else
+            {
+            aResult.iOpType  = OperationType();
+            aResult.iMessage = Message();
+            Observer()->OperationError( aResult );
+            }
+        }
+    else
+        {
+        aResult.iOpType  = OperationType();
+        aResult.iMessage = Message();
+        aResult.iResultCode = KErrNotSupported;
+
+        Observer()->OperationError( aResult );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::ExecuteAsyncCommandL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::ExecuteAsyncCommandL()
+    {
+    FUNC_LOG;
+    CESMRInfoIcalRetrieverCmd* cmd = CESMRInfoIcalRetrieverCmd::NewL(
+                CalSession(),
+                iESMRInputParams );
+
+    CleanupStack::PushL( cmd );
+    User::LeaveIfError(
+            iMRRetrieverCommands.Append( cmd ) );
+    CleanupStack::Pop( cmd ); cmd = NULL;
+
+    CESMRImapIcalRetrieverCmd* cmd2 =
+        CESMRImapIcalRetrieverCmd::NewL(
+            CalSession(),
+            iMailClient,
+            iESMRInputParams );
+
+    CleanupStack::PushL( cmd2 );
+    User::LeaveIfError(
+            iMRRetrieverCommands.Append( cmd2 ) );
+    CleanupStack::Pop( cmd2 ); cmd2 = NULL;
+
+    iCurrentCommand = 0;
+
+    if(iMRRetrieverCommands.Count() > iCurrentCommand)
+        {
+        iMRRetrieverCommands[iCurrentCommand]->ExecuteCommandL(
+                       *Message(),
+                       *this );
+        }
+    else
+        {
+        User::Leave(KErrOverflow);
+        }
+    
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResolveMRMethodASyncCmd::CancelAsyncCommand
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::CancelAsyncCommand()
+    {
+    FUNC_LOG;
+    TInt commandCount( iMRRetrieverCommands.Count() );
+
+    for ( TInt i(0); i < commandCount; ++i )
+        {
+        iMRRetrieverCommands[iCurrentCommand]->CancelCommand();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::ProcessCommandL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::ProcessCommandL(TInt aCommandId)
+    {
+    FUNC_LOG;
+    ProcessCommandWithResultL( aCommandId );
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::ProcessCommandWithResultL
+// -----------------------------------------------------------------------------
+//
+TInt CESMRIcalViewerResponseToMRCmd::ProcessCommandWithResultL( TInt aCommandId )
+    {
+    FUNC_LOG;
+    TInt retValue( KErrNotSupported );
+
+    if ( IsCommandAvailable( aCommandId ) )
+        {
+        iMRViewerCommand = aCommandId;
+
+        iCurrentCbCommand =
+                ESMRIcalViewerUtils::EmailOperation(aCommandId);
+
+        TBool asyncCommand(
+                ESMRIcalViewerUtils::IsAsyncEmailCommand( iCurrentCbCommand ) );
+
+        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;
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::IsCommandAvailable
+// -----------------------------------------------------------------------------
+//
+TBool CESMRIcalViewerResponseToMRCmd::IsCommandAvailable( TInt aCommandId )
+    {
+    FUNC_LOG;
+    TESMRIcalViewerOperationType command(
+             ESMRIcalViewerUtils::EmailOperation(aCommandId) );
+
+    return iCallback.CanProcessCommand( command );
+    }
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerResponseToMRCmd::HandleOperationCompletedL
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerResponseToMRCmd::HandleOperationCompletedL(
+        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )
+    {
+    FUNC_LOG;
+    if ( EESMRLaunchUI == aResult.iOpType )
+        {
+        delete iUILauncher;
+        iUILauncher = NULL;
+        }
+
+    if ( aResult.iOpType == EESMRLoadMRInfoData ||
+         aResult.iOpType == EESMRLoadMRIcalData ||
+         (aResult.iOpType == iCurrentCbCommand &&
+          aResult.iOpType != EESMRCmdMailDelete) ) // <cmail>
+        {
+        // MRINFO data was parsed succesfully
+        CCalEntry::TMethod method( CCalEntry::EMethodNone );
+        method = iESMRInputParams.iCalEntry->MethodL();
+
+        if ( CCalEntry::EMethodRequest == method )
+            {
+            iESMRInputParams.iMailClient = &iMailClient;
+            iESMRInputParams.iMailMessage = Message();
+            iESMRInputParams.iCommand = EESMRCmdAcceptMR;
+            iESMRInputParams.iSpare = 0;
+
+            if ( EESMRAttendeeStatusTentative == iAttendeeStatus )
+                {
+                iESMRInputParams.iCommand = EESMRCmdTentativeMR;
+                }
+            else if ( EESMRAttendeeStatusDecline == iAttendeeStatus )
+                {
+                iESMRInputParams.iCommand = EESMRCmdDeclineMR;
+                }
+            if ( ESMRIcalViewerUtils::ContainsAttachments(iESMRInputParams) &&
+                 iMRViewerCommand != iCurrentCbCommand &&
+                 aResult.iOpType == iCurrentCbCommand )
+                {
+                iCurrentCbCommand = EESMREmailCommand;
+                iESMRInputParams.iCommand =
+                        ESMRIcalViewerUtils::MRResponseCommandWithoutAttachmentCheck(
+                                iMRViewerCommand);
+                }
+            LaunchUiL();
+            }
+
+        if ( iCurrentCbCommand == EESMREmailCommand &&
+             method != CCalEntry::EMethodNone &&
+             !iUILauncher )
+            {
+            // No email command in execution --> Notify observer
+            aResult.iOpType = OperationType();
+            aResult.iAttendeeStatus = iAttendeeStatus;
+            Observer()->OperationCompleted( aResult );
+            }
+        }
+    }
+
+// EOF
+