/*

* Copyright (c) 2002-2005 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: MeetingRequestSender implementation

*

*/

// INCLUDE FILES

#include <e32base.h>

#include <e32std.h>

#include <SendUi.h>                     // TSendingCapabilities

#include <e32svr.h>

#include <mtclreg.h>                    // CClientMtmRegistry

#include <mtclbase.h>                   // CBaseMtm

#include <miuthdr.h>

#include <txtrich.h>

#include <MuiuMsvUiServiceUtilities.h>

#include <s32mem.h>                     // CBufStore

#include <apmstd.h>

#include <mtmextendedcapabilities.hrh>  // KUidMsvMtmQuerySupportLinks

#include <apgcli.h>

#include <mtmuids.h>

#include <mtmdef.h>

#include <CSendingServiceInfo.h>

#include <CMessageAddress.h>

#include <SendUiConsts.h>               // UIDs for provider and service

#include <CMessageData.h>               // CMessageData

#include <MeetingRequestData.h>         // CMeetingRequestData

#include <senduisingleton.h>

#include "SendUiDummyMtm.h"

#include "SendUiOperationWait.h"

#include "SenduiDataUtils.h"

#include "SenduiFileRightsEngine.h"

#include "CSendUiAttachment.h"

#include <MeetingRequestIds.hrh>

#include "MeetingRequestSender.h"

namespace

    {

    _LIT8( KContentType, "multipart" );

    _LIT8( KContentSubType,"/alternative; boundary=mr_part; method=");

    _LIT( KMsgInvalidSessionEvent, "CMeetingRequestSender: Invalid session event %x" );

    _LIT( KMsgEmptyAddreesseeArray,"CMeetingRequestSender:: Addressee array is empty! Message cannot be created." );

    _LIT( KMailtoMatchPattern, "mailto:*" ); // this is never localized

    const TInt KMailtoLength = 7; // "mailto:" length

    //  LOCAL CONSTANTS 

    // For address information separation (start)

    const TUint KSendUiMsgAddressStartChar         ('<');

    // For address information separation (end)

    const TUint KSendUiMsgAddressEndChar           ('>');

    const TInt KRichTextStoreGranularity = 512;

    const TInt KContentSubTypeMaxLength( 60 );

    const TUint KTransferBufAdditionalInfoMaxLen = 20;

    }

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CMeetingRequestSender::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CMeetingRequestSender* CMeetingRequestSender::NewL( TSendingServiceParams* aParams )

    {

    CMeetingRequestSender* self = CMeetingRequestSender::NewLC( aParams );

    CleanupStack::Pop();

    return self;

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::NewLC

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CMeetingRequestSender* CMeetingRequestSender::NewLC( TSendingServiceParams* aParams )

    {

    CMeetingRequestSender* self = new( ELeave ) CMeetingRequestSender( aParams->iCoeEnv, aParams->iSingleton );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::~CMeetingRequestSender()

// Destructor.

// -----------------------------------------------------------------------------

//

CMeetingRequestSender::~CMeetingRequestSender()

    {

    iServiceArray.ResetAndDestroy();

    iServiceArray.Close();

    delete iStore;

    delete iClientMtm;

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::CMeetingRequestSender

// Constructor.

// -----------------------------------------------------------------------------

//

CMeetingRequestSender::CMeetingRequestSender( CCoeEnv& aCoeEnv, CSendUiSingleton& aSingleton ) : 

    CSendingService( aCoeEnv, aSingleton )

    {

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::ConstructL()

    {

    InitializeServiceL();   

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::PopulateServicesListL

// Populates given list with the services provided by this plugin.

// The ownership of the pointed objects remains.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::PopulateServicesListL(

    RPointerArray<CSendingServiceInfo>& aList )

    {

    for ( TInt cc = 0; cc < iServiceArray.Count(); cc++ )

        {

        User::LeaveIfError( aList.Append( iServiceArray[cc] ) );

        }

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::CreateAndSendMessageL

// Creates message to be sent and calls MTM to send the message.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::CreateAndSendMessageL(

    TUid aServiceUid,

    const CMessageData* aMessageData,

    TBool /*aLaunchEditorEmbedded*/)

    {

    if( !aMessageData ||

        aServiceUid != KMeetingRequestSender ||

        aMessageData->DataType() != KSenduiMsgDataMeetingRequest ) 

        {

        User::Leave( KErrNotSupported );

        }

    CMeetingRequestData* mrData = CMeetingRequestData::NewLC();

    mrData->ReadFromBufferL( aMessageData->OpaqueData() );

    InitResourcesL( mrData );

    //In case of SMTP we just create message and don't check capabilities,

    //because SMTP MTM doesn't understand capabilities at the moment.

    if( iClientMtm->Type() == KSenduiMtmSmtpUid )

        {

        DoCreateAndSendMessageL( *aMessageData, mrData );

        }

    else

        {

        TUid supportMeetingRequestUid =  TUid::Uid(KMtmUiSupportMeetingRequest);

        TUid supportICalCapability =  TUid::Uid(KMtmUiSupportICalCapability);

        TInt capabilityResponse;

        TInt errorCode = iClientMtm->QueryCapability(supportMeetingRequestUid, capabilityResponse);

        //Check if Meeting request is supported at all. If not then leave.

        if(errorCode == KErrNotSupported || capabilityResponse == 0)

            {

            User::Leave( KErrNotSupported );

            }

        errorCode = iClientMtm->QueryCapability(supportICalCapability, capabilityResponse);

        //Check if MTM supports supportICalCapability. 

        if ( (errorCode != KErrNotSupported) && (capabilityResponse != 0))

            {

            DoCreateAndSendMessageL( *aMessageData, mrData );

            }

        else

            {

            TransferIdsToClientL( *aMessageData );

            DoCreateAndSendMessageL( *aMessageData, mrData );

            }

        }

    CleanupStack::PopAndDestroy( mrData );

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::DoCreateAndSendMessageL

// Creates message to be sent and calls MTM to send the message.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::DoCreateAndSendMessageL(

    const CMessageData& aMessageData,

    CMeetingRequestData* aMeetingRequestData )

    {

    CreateMessageL( aMessageData );

    TInt capabilityResponse;

    //Capability to support some kind of body checked 

    TInt errorCode = iClientMtm->QueryCapability( 

        TUid::Uid( KUidMtmQuerySupportedBodyValue ), 

        capabilityResponse );

    if(capabilityResponse)

        {

        SetBodyL( aMessageData );    

        }

    AddAttachmentsL( aMessageData );

    // Create message header(s)

    CreateHeaderL( aMessageData, aMeetingRequestData );

    iClientMtm->SaveMessageL();

    //QueryCapability() can't be used here because client gives false answer.

    //So only way to do this is check MTM type.

    if(iClientMtm->Type() == KSenduiMtmSmtpUid)

        {

        if( !ValidateEmail( ) )

            {

            User::Leave( KErrCompletion );

            }

        }

    SendEmailL( );

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::TransferIdsToClientL

// Transfers meeting request IDs to client MTM.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::TransferIdsToClientL(

    const CMessageData& aMessageData )

    {

    // Create copy of opaque data. Needed because InvokeSyncFunctionL wants 

    // non-const buffer.

    HBufC8* tempBuf = aMessageData.OpaqueData().AllocLC();

    TPtr8 ptr = tempBuf->Des();

    // Dummy entry selection

    CMsvEntrySelection* entrySelection = new ( ELeave ) CMsvEntrySelection;

    CleanupStack::PushL( entrySelection );

    //Send data to MTM with InvokeSyncFunction()

    iClientMtm->InvokeSyncFunctionL(

            KMTMSendMeetingRequestFunctionId,

            *entrySelection,

            ptr );

   CleanupStack::PopAndDestroy( 2, tempBuf ); // entrySelection, buf

   }

// ---------------------------------------------------------

// CMeetingRequestSender::ServiceProviderId

// Returns the id of the service provider.

// (other items were commented in a header).

// ---------------------------------------------------------

//

TUid CMeetingRequestSender::ServiceProviderId() const

    {

    return KMeetingRequestSender; // defined in SendUiConsts.h

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::InitializeServiceL

// Initializes service info.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::InitializeServiceL()

    {

    if( iServiceArray.Count() )

        {

        // Already initialized so do nothing

        return;

        }

    CSendingServiceInfo* serviceInfo = CSendingServiceInfo::NewLC();

    // Set service type.

    serviceInfo->SetServiceProviderId( KMeetingRequestSender );

    serviceInfo->SetServiceId( KMeetingRequestSender );

    iServiceArray.AppendL( serviceInfo );

    CleanupStack::Pop( serviceInfo );

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::CreateMessageL

// Creates new message with subject. Index entry is initialized and 

// new message is created in drafs folder. 

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::CreateMessageL(

    const CMessageData& aMessageData )

    {

    CMsvEntry* draftEntry = iSingleton.MsvSessionL().GetEntryL( KMsvDraftEntryId );

    CleanupStack::PushL(draftEntry);

    iClientMtm->SetCurrentEntryL( draftEntry ); // mtm takes ownership

    CleanupStack::Pop(draftEntry);

    // Create new message under drafts

    iClientMtm->CreateMessageL( iMailServiceId );

    // Load email signature, if any

    iClientMtm->LoadMessageL();

    // Set message subject

    iClientMtm->SetSubjectL( aMessageData.Subject() );

    // Set attributes on index entry

    TMsvEntry indexEntry = iClientMtm->Entry().Entry();

    indexEntry.SetInPreparation( ETrue );

    indexEntry.SetVisible( EFalse );

    indexEntry.iDate.UniversalTime();

    indexEntry.SetAttachment( EFalse );

    iClientMtm->Entry().ChangeL( indexEntry );

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::InitResourcesL

// Client MTM is initialized. Used SMTP service is validated. 

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::InitResourcesL(

    CMeetingRequestData* aMeetingRequestData )

    {

    iMailServiceId = aMeetingRequestData->Mailbox();

    if ( iMailServiceId == KMsvNullIndexEntryId )

        {

        User::Leave( KErrArgument );

        }

    ResolveClientMTMTypeL( iMailServiceId );

    if ( iClientMtmType == KNullUid )

        {

        User::Leave( KErrArgument );

        }

    // Create client side MTM object.

    delete iClientMtm;

    iClientMtm = NULL;

    iClientMtm = iSingleton.ClientMtmRegistryL().NewMtmL( iClientMtmType );

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::ResolveClientMTMTypeL

// Resolves the client MTM type by using service id. KNullUid is returned if

// service id doesn't match to any available service.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::ResolveClientMTMTypeL( TMsvId aServiceId )

    {

    TInt i = 0;

    CMsvEntrySelection* entrySelection = 

        MsvUiServiceUtilities::GetListOfAccountsL( iSingleton.MsvSessionL(), ETrue );

    CleanupStack::PushL( entrySelection );

    CMsvEntry* rootEntry = CMsvEntry::NewL(

        iSingleton.MsvSessionL(),

        KMsvRootIndexEntryId,

        TMsvSelectionOrdering( KMsvNoGrouping, EMsvSortByNone, ETrue ) );

    CleanupStack::PushL( rootEntry );    

    TMsvId msvId;

    for ( i = 0; i < entrySelection->Count(); i++ )

        {

        msvId = entrySelection->At( i );

        if ( msvId == aServiceId )

            {

            TMsvEntry tEntry = rootEntry->ChildDataL( msvId );

            iClientMtmType = tEntry.iMtm;

            break;    

            }

        }

    CleanupStack::PopAndDestroy( 2, entrySelection ); // entrySelection, rootEntry

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::SetBodyL

// Sets email body. 

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::SetBodyL(

    const CMessageData& aMessageData )

    {

    // If body has been not set return immediately

    if( !aMessageData.BodyText()->DocumentLength() )

        {

        return;

        }

    const CRichText& bodyText = *( aMessageData.BodyText() );

    CRichText& mtmBody = iClientMtm->Body();

    delete iStore;

    iStore = NULL;

    iStore = CBufStore::NewL( KRichTextStoreGranularity );

    // If signature has been set then append it at the end of email

    if ( mtmBody.DocumentLength() )

        {

        CRichText* text = CRichText::NewL(

            static_cast<CEikonEnv&>( iCoeEnv ).SystemParaFormatLayerL(),

            static_cast<CEikonEnv&>( iCoeEnv ).SystemCharFormatLayerL() );

        CleanupStack::PushL( text );

        TInt len1 = bodyText.DocumentLength();

        TInt len2 = mtmBody.DocumentLength();

        HBufC* buf = HBufC::NewLC( len1 );

        TPtr ptr = buf->Des();

        bodyText.Extract( ptr, 0 );

        text->InsertL( 0, *buf );

        CleanupStack::PopAndDestroy( buf );

        len1 = text->DocumentLength();

        text->InsertL( len1, CEditableText::EParagraphDelimiter );

        len1 = text->DocumentLength();

        text->InsertL( len1, mtmBody.Read( 0, len2 ) );

        // Save and restore the rich text

        TStreamId id = text->StoreL( *iStore );

        mtmBody.RestoreL( *iStore, id );

        CleanupStack::PopAndDestroy(text);

        }

    else

        {

        // Save and restore the rich text

        TStreamId id = bodyText.StoreL( *iStore );

        mtmBody.RestoreL( *iStore, id );

        }

    // Get access to protected data

    CSendUiDummyMtm* mtm = ( CSendUiDummyMtm* ) iClientMtm;

    mtm->SetCharFormatL( *bodyText.GlobalCharFormatLayer() );

    mtm->SetParaFormatL( *bodyText.GlobalParaFormatLayer() );

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::CreateHeaderL

// Create email headers. "Standard" and MIME header is initialized.  

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::CreateHeaderL(

    const CMessageData& aMessageData,

    CMeetingRequestData* aMeetingRequestData )

    {

    InitStdHeaderL( aMessageData );

    //At the moment only way to check mime capability is to use iClientMtm->Type()

    if(iClientMtm->Type() == KSenduiMtmSmtpUid)

        {

        InitMimeHeaderL( aMeetingRequestData );

        }

    }

// -----------------------------------------------------------------------------

// CMeetingRequestSender::InitStdHeaderL

// Initialize standard header. To, cc and bcc fields are set. 

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CMeetingRequestSender::InitStdHeaderL(

    const CMessageData& aMessageData )

    {

    // Nothing to do if aTo array is empty

    if ( aMessageData.ToAddressArray().Count() == 0 ) 

        {

        RDebug::Print( KMsgEmptyAddreesseeArray );

        User::Leave( KErrArgument );

        }

    AddAddresseesL( EMsvRecipientTo, aMessageData.ToAddressArray() );

    AddAddresseesL( EMsvRecipientCc, aMessageData.CcAddressArray() );