/*

* Copyright (c) 2006 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:  Email interface implementation + utilities.

*

*/

//<cmail>

#include "msgstore.h"

#include "msgstoresearchcriteria.h"

#include "mfsmailboxsearchobserver.h"

//</cmail>

#include "baseplugin.h"

#include "basepluginpanic.h"

#include "baseplugincommonutils.h"

#include "baseplugindelayedopsprivate.h"

/**

 * Base plugin has no particular id.

 */

EXPORT_C TUint CBasePlugin::GetPluginId()

    {

    return 0;

    }

/**

 *

 */

EXPORT_C TFSMailBoxStatus CBasePlugin::GetMailBoxStatus(

    const TFSMailMsgId& /*aMailBoxId*/ )

    {

    return EFSMailBoxOnline;

    }

/**

 *

 */

EXPORT_C TBool CBasePlugin::MailboxHasCapabilityL(

    TFSMailBoxCapabilities /*aCapability*/,

    TFSMailMsgId /*aMailBoxId*/ )

    {

    return EFalse;

    }

/**

 *

 */

EXPORT_C TInt CBasePlugin::WizardDataAvailableL()

    {

    return KErrNotSupported;

    }

/**

 *

 */

EXPORT_C void CBasePlugin::AuthenticateL(

    MFSMailRequestObserver& /*aOperationObserver*/,

    TInt /*aRequestId*/ )

    {

    }

/**

 */

EXPORT_C void CBasePlugin::SetCredentialsL(

    const TFSMailMsgId& /* aMailBoxId */,

    const TDesC& /* aUsername */,

    const TDesC& /* aPassword */ )

    {

    User::Leave( KErrNotSupported );

    }

/**

 *

 */

EXPORT_C TDesC& CBasePlugin::GetBrandingIdL( const TFSMailMsgId& aMailboxId )

    {

    CMailboxInfo& mailbox = GetMailboxInfoL( aMailboxId.Id() );

    return *mailbox.iBrandingId;

    }

/**

 *

 */

EXPORT_C TInt CBasePlugin::CancelSyncL( const TFSMailMsgId& /*aMailBoxId*/ )

	{

	return KErrNotSupported;

	}

#pragma mark -

#pragma mark ---  SEARCH  ---

/**

 *

 */

class CSearchHandler : public CBase, public MMsgStoreSearchClient

    {

    public:

        CSearchHandler(

            MFSMailBoxSearchObserver& aFsObserver,

            CBasePlugin& aBasePlugin,

            const TFSMailMsgId& aMailBox )

            : iFsObserver( aFsObserver ), iBasePlugin( aBasePlugin ), iMailBox( aMailBox )

            {

            };

        ~CSearchHandler()

            {

            TRAP_IGNORE( iFsObserver.SearchCompletedL() );

            };

    public:

        void MatchFound(

            CMsgStorePropertyContainer*& aMessageSummary )

            {

            TRAP_IGNORE( MatchFoundL( aMessageSummary ) );

            };

        void MatchFoundL(

            CMsgStorePropertyContainer*& aMessageSummary )

            {

            TFSMailMsgId msgId( iBasePlugin.GetPluginId(), aMessageSummary->Id() );

            CFSMailMessage* fsMsg = CFSMailMessage::NewLC( msgId );

            fsMsg->SetContentType( KNullDesC() );

            fsMsg->SetContentDescription( KNullDesC() );

            fsMsg->SetContentDisposition( KNullDesC() );

            fsMsg->SetMailBoxId( iMailBox );

            iBasePlugin.TranslateMsgStorePropsL( iMailBox, *aMessageSummary, *fsMsg );

            CleanupStack::Pop( fsMsg );

            iFsObserver.MatchFoundL( fsMsg );

            };

        void SearchCompleted()

            {

            delete this;

            };

    private:

        MFSMailBoxSearchObserver& iFsObserver;

        CBasePlugin& iBasePlugin;

        TFSMailMsgId iMailBox;

    };

/**

 *

 */

EXPORT_C void CBasePlugin::SearchL(

    const TFSMailMsgId& aMailBoxId,

    const RArray<TFSMailMsgId>& aFolderIds,

    const RPointerArray<TDesC>& aSearchStrings,

    const TFSMailSortCriteria& aSortCriteria,

    MFSMailBoxSearchObserver& aSearchObserver )

    {

    /**@ search result details?*/

    RMsgStoreSearchCriteria criteria;

    CleanupClosePushL( criteria );

    criteria.iSortBy = static_cast<TMsgStoreSortByField>( aSortCriteria.iField - 1 );

    criteria.iSortOrder = static_cast<TMsgStoreSortOrder>( aSortCriteria.iOrder );

    TInt count = aSearchStrings.Count();

    for ( TInt i = 0; i < count; i++ )

        {

        criteria.AddSearchStringL( *(aSearchStrings[i]) );

        }

    count = aFolderIds.Count();

    for ( TInt i = 0; i < count; i++ )

        {

        criteria.AddFolderId( aFolderIds[i].Id() );

        }

    criteria.AddResultPropertyL( KMsgStorePropertyReceivedAt );

    criteria.AddResultPropertyL( KMsgStorePropertyFlags );

    criteria.AddResultPropertyL( KMsgStorePropertySize );

    criteria.AddResultPropertyL( KMsgStorePropertyFrom );

    criteria.AddResultPropertyL( KMsgStorePropertySubject );

    /**@ figure the lifecycle mgmnt of the handler.*/

    CSearchHandler* searchHandler = new (ELeave) CSearchHandler( aSearchObserver, *this, aMailBoxId );

    CleanupStack::PushL( searchHandler );

    CMailboxInfo& mailBox = GetMailboxInfoL( aMailBoxId.Id() );

    mailBox().SearchL( criteria, *searchHandler );

    CleanupStack::Pop( searchHandler );

    CleanupStack::PopAndDestroy( &criteria );

    }

/**

 *

 */

EXPORT_C void CBasePlugin::CancelSearch(

    const TFSMailMsgId& aMailBoxId )

    {

    TRAP_IGNORE( DoCancelSearchL( aMailBoxId ) );

    }

/**

 *

 */

EXPORT_C void CBasePlugin::ClearSearchResultCache(

    const TFSMailMsgId& aMailBoxId )

    {

    TRAP_IGNORE( DoClearSearchResultCacheL( aMailBoxId ) );

    }

#pragma mark --- "MFSMAILPLUGIN - SYNC PLUGIN CONTROL" ---

/**

 *

 */

EXPORT_C void CBasePlugin::GoOfflineL(

    const TFSMailMsgId& /*aMailBoxId*/ )

    {

    }

/**

 *

 */

EXPORT_C void CBasePlugin::GoOnlineL(

    const TFSMailMsgId& /*aMailBoxId*/ )

    {

    }

/**

 *

 */

EXPORT_C void CBasePlugin::RefreshNowL(

    const TFSMailMsgId& /*aMailBoxId*/,

 	MFSMailRequestObserver& /*aOperationObserver*/,

 	TInt /*aRequestId*/ )

    {

    }

#pragma mark -

#pragma mark --- MRU SUPPORT ---

/**

 *

 */

EXPORT_C MDesCArray* CBasePlugin::GetMrusL(

    const TFSMailMsgId& aMailBoxId )

    {

    CMailboxInfo& mailBox = GetMailboxInfoL( aMailBoxId.Id() );

    RPointerArray<CMsgStoreAddress> addressArray;

    CleanupResetAndDestroyClosePushL( addressArray );

    mailBox().MruAddressesL( addressArray );

    //defione consts to avoid codescanner errors

    const TUint KDefaultGranularity = 8;

    TInt granularity = addressArray.Count() > 0 ? 2 * addressArray.Count() : KDefaultGranularity;

    CDesCArrayFlat* result = new (ELeave) CDesCArrayFlat( granularity );

    CleanupStack::PushL( result );

    TInt count = addressArray.Count();

    for ( TInt i = 0; i < count; i++ )

        {

        result->AppendL( addressArray[i]->DisplayName() );

        result->AppendL( addressArray[i]->EmailAddress() );

        }

    CleanupStack::Pop( result );

    CleanupStack::PopAndDestroy( &addressArray );

    return result;

    }

/**

 *

 */

EXPORT_C void CBasePlugin::SetMrusL(

    const TFSMailMsgId& aMailBoxId,

    MDesCArray* aNewMruList )

    {

    CMailboxInfo& mailBox = GetMailboxInfoL( aMailBoxId.Id() );

    __ASSERT_DEBUG(

        0 == ( aNewMruList->MdcaCount() % 2 ),

        ::BasePluginPanic( ESetMrusInvalidAssert ) );

    RPointerArray<CMsgStoreAddress> addressArray;

    CleanupResetAndDestroyClosePushL( addressArray );

    CMsgStoreAddress* address;

    for ( TInt i = 0; i < aNewMruList->MdcaCount(); i+=2 )

        {

        TPtrC display = aNewMruList->MdcaPoint( i );

        TPtrC email = aNewMruList->MdcaPoint( 1 + i );

        address = CMsgStoreAddress::NewL( email, display );

        CleanupStack::PushL( address );

        addressArray.AppendL( address );

        CleanupStack::Pop( address );

        }

    mailBox().AddMruAddressesL( addressArray );

    CleanupStack::PopAndDestroy( &addressArray );

    }

#pragma mark --- "MFSMAILPLUGINAPI - STATUS INFO" ---

/**

 *

 */

EXPORT_C TFSProgress CBasePlugin::StatusL( TInt /*aRequestId*/ )

    {

    TFSProgress result = { TFSProgress::EFSStatus_Waiting, 0, 0, 0 };

    return result;

    }

/**

 * Concrete plugins need to call the base plugin's implementation.

 * @param aRequestId

 */

EXPORT_C void CBasePlugin::CancelL( TInt aRequestId )

    {

    //find the fetch request and notify the observer.

    TInt count = iReqs.Count();

    for ( TInt i = 0; i < count; i++ )

    	{

    	if ( iReqs[i]->iRequestId == aRequestId )

    		{

    		CFetchRequester* request = iReqs[i];

    		TFSProgress progress;

    		progress.iProgressStatus = TFSProgress::EFSStatus_RequestCancelled;

    		progress.iCounter = progress.iMaxCount = 1;

    		progress.iError = KErrNone;

    		request->iObserver.RequestResponseL( progress, aRequestId );

    		iReqs.Remove( i );

    		delete request;

    		break;

    		}

    	}

    }

/**

 *

 */

EXPORT_C const TFSProgress CBasePlugin::GetLastSyncStatusL(

    const TFSMailMsgId& /*aMailBoxId*/ )

    {

    User::Leave( KErrNotSupported );

    TFSProgress result = { TFSProgress::EFSStatus_Waiting, 0, 0, 0 };

    return result;

    }

/**

 *

 */

EXPORT_C TSSMailSyncState CBasePlugin::CurrentSyncState(

            const TFSMailMsgId& /*aMailboxId*/ )

    {

    return Idle;

    }

/**

 *

 */

EXPORT_C CMsgStoreAccount* CBasePlugin::GetAccountForMsgBoxL(

    const TFSMailMsgId& aMailboxId )

    {

    CMsgStoreAccount* result = NULL;

    RPointerArray< CMsgStoreAccount > accounts;

    iMsgStore->AccountsL( accounts );

    CleanupResetAndDestroyClosePushL( accounts );

    TInt count = accounts.Count();

    for ( TInt i = 0; i < count; i++ )

        {

        if ( accounts[i]->Owner() == GetPluginId() )

            {

            CMsgStoreMailBox* msbox = iMsgStore->OpenAccountL( *accounts[i] );

            CleanupStack::PushL( msbox );

            if ( msbox->Id() == aMailboxId.Id() )

                {

                CleanupStack::PopAndDestroy( msbox );

                result = accounts[i];

                accounts.Remove( i );

                break;

                }

            CleanupStack::PopAndDestroy( msbox );

            }

        }

    CleanupStack::PopAndDestroy( &accounts );

    return result;

    }

/**

 *

 */

void CBasePlugin::DoCancelSearchL(

    const TFSMailMsgId& aMailBoxId )

    {

    CMailboxInfo& mailBox = GetMailboxInfoL( aMailBoxId.Id() );

    mailBox().CancelSearch();

    }

void CBasePlugin::DoClearSearchResultCacheL(

    const TFSMailMsgId& aMailBoxId )

    {

    CMailboxInfo& mailBox = GetMailboxInfoL( aMailBoxId.Id() );

    mailBox().ClearSearchResultCache();

    }

/**

 *

 */

EXPORT_C /*virtual*/ void CBasePlugin::SetMailboxName(

    const TFSMailMsgId& /*aMailboxId*/,

    const TDesC& /*aMailboxName*/ )

    {

    }

/**

 *

 */

/*protected*/ EXPORT_C void CBasePlugin::ResetCache()

    {

    __LOG_ENTER_SUPPRESS( "ResetCache" );

    ResetBodyCache();

    iCacheLine.iMsgChildren.ResetAndDestroy();

    iCacheLine.iMsgChildren.Close();

    delete iCacheLine.iMsg;

    iCacheLine.iMsg = NULL;

    __LOG_WRITE_INFO( "Reset the base plugin msg and msg parts cache." );

    }

/**

 *

 */

/*protected*/ EXPORT_C void CBasePlugin::ResetBodyCache()

    {

    __LOG_ENTER_SUPPRESS( "ResetCache" );

    iCacheLine.iBodyChildren.ResetAndDestroy();

    iCacheLine.iBodyChildren.Close();

    delete iCacheLine.iBody;

    iCacheLine.iBody = NULL;

    __LOG_WRITE_INFO( "Reset the base plugin body and body parts cache." );

    }

/**

 *

 */

/*protected*/ EXPORT_C CMsgStoreMessage* CBasePlugin::GetCachedMsgL(

    TMsgStoreId aMailBoxId,

    TMsgStoreId aMsgId )

    {

    __LOG_ENTER_SUPPRESS( "GetCachedMsgL" );

    CMsgStoreMessage* result = NULL;

    if ( iCacheLine.iMsg )

        {