/*

* Copyright (c) 2009 - 2010 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: This file implements class CMailMailboxDetails.

*

*/

#include <cmailhandlerplugin.mbg> // icons

#include <StringLoader.h>

#include <emailwidget.rsg>

#include <memaildata.h>

#include <emailobserverplugin.h>

#include <memailmailboxdata.h>

#include <memailapplaunchdata.h>

#include "emailtrace.h"

#include "cmailpluginproxy.h"

#include "cmailexternalaccount.h"

#include "cmailcpsif.h"

#include "cmailcpsutils.h"

using namespace EmailInterface;

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

// CMailPluginProxy::NewL

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

//

CMailPluginProxy* CMailPluginProxy::NewL(

    const TInt aPluginId,

    CMailCpsIf& aPublisher )

    {

    FUNC_LOG;

    CMailPluginProxy* self = new(ELeave) CMailPluginProxy( aPluginId, aPublisher );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CMailPluginProxy::CMailPluginProxy

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

//

CMailPluginProxy::CMailPluginProxy(

    const TInt aPluginId,

    CMailCpsIf& aPublisher ) :

    iPluginId( aPluginId ),

    iPublisher( aPublisher )

    {

    FUNC_LOG;

    }

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

// CMailPluginProxy::~CMailPluginProxy

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

//

CMailPluginProxy::~CMailPluginProxy()

    {

    FUNC_LOG;

    delete iPlugin;

    TRAP_IGNORE( RemoveAccountsL() );

    iAccounts.ResetAndDestroy();

    }

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

// CMailPluginProxy::ConstructL

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

//

void CMailPluginProxy::ConstructL()

    {

    FUNC_LOG;

    TUid implUid = TUid::Uid( iPluginId ); 

    iPlugin = EmailInterface::CEmailObserverPlugin::NewL( implUid, this );

    }

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

// CMailPluginProxy::EmailObserverEvent

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

//

void CMailPluginProxy::EmailObserverEvent( MEmailData& /*aData*/ )

    {

    FUNC_LOG;

    TRAP_IGNORE( PublishAccountsL() );

    }

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

// CMailPluginProxy::PluginId

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

//

TInt CMailPluginProxy::PluginId()

    {

    FUNC_LOG;

    return iPluginId;

    }

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

// CMailPluginProxy::RemoveAccountsL

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

//

void CMailPluginProxy::RemoveAccountsL()

    {

    FUNC_LOG;

    while ( iAccounts.Count() )

        {

        delete iAccounts[0];

        iAccounts.Remove(0);

        }

    }

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

// CMailPluginProxy::ResetAccountL

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

//

void CMailPluginProxy::ResetAccountL( const TDesC& aContentId )

    {

    FUNC_LOG;

    TInt instId = ResolveWidgetInstance( aContentId );

    if ( instId >= 0 )

        {

        TFSMailMsgId dummy;

        iPublisher.PublishMailboxIconL( instId, KNullDesC );

        iPublisher.PublishActiveMailboxNameL( instId, 1, KNullDesC);

        iPublisher.PublishIndicatorIconL( instId, 1, KNullIcon );

        ResetMessageRowL( instId, 2 ); // 1st message row

        ResetMessageRowL( instId, 3 ); // 2nd..

        }

    }

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

// CMailPluginProxy::ResetMessageRowL

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

//

void CMailPluginProxy::ResetMessageRowL( const TInt aWidgetInstanceId, const TInt aRow )

    {

    FUNC_LOG;

    TFSMailMsgId dummy;

    iPublisher.PublishMailboxIconL( aWidgetInstanceId, aRow, KNullIcon, dummy );

    iPublisher.PublishMailDetailL( aWidgetInstanceId, aRow, KNullDesC, ESender );

    iPublisher.PublishMailDetailL( aWidgetInstanceId, aRow, KNullDesC, ETime );

    }

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

// CMailPluginProxy::SelectOwnAccountsL

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

//

void CMailPluginProxy::SelectOwnAccountsL( RPointerArray<CMailExternalAccount>& aAccounts )

    {

    FUNC_LOG;

    for ( TInt i = 0; i < aAccounts.Count(); i++ )

        {

        if ( aAccounts[i]->PluginId() == iPluginId )

            {

            // own account, take ownership

            iAccounts.AppendL( aAccounts[i] );

            aAccounts.Remove(i);

            i--; // update loop indexing

            }

        }

    }

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

// CMailPluginProxy::PublishAccountsL

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

//

void CMailPluginProxy::PublishAccountsL()

    {

    FUNC_LOG;

    // Loops through all external accounts of this plugin (that are configured

    // to be published), and calls publish on them

    for ( TInt i = 0; i < iAccounts.Count(); i++ )

        {

        TInt instId = ResolveWidgetInstance( iAccounts[i]->ContentId() );

        if ( instId != KErrNotFound && iPublisher.AllowedToPublish( instId ) )

            {

            PublishAccountL( instId, iAccounts[i]->MailboxId() );

            }

        else

            {

            INFO("Correct widget not found, not publishing..");

            }

        }

    }

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

// CMailPluginProxy::PublishAccountL

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

//

void CMailPluginProxy::PublishAccountL( const TInt aWidgetInstanceId, const TInt aMailboxId )

    {

    FUNC_LOG;

    // Loops through plugin's mailbox array and finds matching mailbox

    MEmailData& data( iPlugin->EmailDataL() );

    RPointerArray<MMailboxData> mailboxes = data.MailboxesL();

    for ( TInt j = 0; j < mailboxes.Count(); j++ )

        {

        if ( mailboxes[j]->MailboxId() == aMailboxId )

            {

            PublishAccountL( aWidgetInstanceId, *(mailboxes[j]) );

            }

        }

    }

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

// CMailPluginProxy::PublishAccountL

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

//

void CMailPluginProxy::PublishAccountL( const TInt aWidgetInstanceId, MMailboxData& aMailboxData )

    {

    FUNC_LOG;    

    // 1st row

    PublishFirstRowL( aWidgetInstanceId, aMailboxData );

    // message rows

    TInt msgCount = aMailboxData.LatestMessagesL().Count();

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

        {

        if ( msgCount > i )

            {

            // enough messages for this row

            PublishMessageRowL( aWidgetInstanceId, *(aMailboxData.LatestMessagesL()[i]), i+2 ); // message-rows start from 2

            }

        else

            {

            // make sure this row is empty

            TFSMailMsgId dummy;

            iPublisher.PublishMailboxIconL( aWidgetInstanceId, i+2, KNullIcon, dummy );

            iPublisher.PublishMailDetailL( aWidgetInstanceId, i+2, KNullDesC, ESender );

            iPublisher.PublishMailDetailL( aWidgetInstanceId, i+2, KNullDesC, ESubject );            

            iPublisher.PublishMailDetailL( aWidgetInstanceId, i+2, KNullDesC, ETime );

            }

        }

    }

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

// CMailPluginProxy::PublishMessageL

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

//

void CMailPluginProxy::PublishMessageRowL( const TInt aWidgetInstanceId, EmailInterface::MMessageData& aMessageData, const TInt aRow )

    {

    FUNC_LOG;

    TFSMailMsgId dummy;

    TInt iconId = TMailCpsUtils::ResolveIcon(

        aMessageData.Unread(),

        aMessageData.CalendarMsg(),

        aMessageData.Attachments(),

        aMessageData.Priority(),

        aMessageData.Replied(),

        aMessageData.Forwarded() );

    iPublisher.PublishMailboxIconL( aWidgetInstanceId, aRow, iconId, dummy );

    iPublisher.PublishMailDetailL( aWidgetInstanceId, aRow, aMessageData.Sender(), ESender );

    iPublisher.PublishMailDetailL( aWidgetInstanceId, aRow, aMessageData.Subject(), ESubject );

    HBufC* timeString = CMailCpsHandler::GetMessageTimeStringL( aMessageData.TimeStamp() );

    CleanupStack::PushL( timeString );

    iPublisher.PublishMailDetailL( aWidgetInstanceId, aRow, *timeString, ETime );

    CleanupStack::PopAndDestroy( timeString );

    }

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

// CMailPluginProxy::PublishFirstRowL

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

//

void CMailPluginProxy::PublishFirstRowL( const TInt aWidgetInstanceId, EmailInterface::MMailboxData& aMailboxData )

    {

    FUNC_LOG;

    HBufC* firstLineText = ConstructMailboxNameWithMessageCountLC( aMailboxData );

    TInt indicator = ResolveIndicatorIcon( aMailboxData );

    iPublisher.PublishMailboxIconL( aWidgetInstanceId, aMailboxData.BrandingIcon() );

    iPublisher.PublishMailboxNameL( aWidgetInstanceId, *firstLineText, KTriggerEmailUi8 );

    iPublisher.PublishIndicatorIconL( aWidgetInstanceId, 1, indicator );

    CleanupStack::PopAndDestroy( firstLineText );

    }

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

// CMailPluginProxy::ConstructMailboxNameWithMessageCountLC

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

//

HBufC* CMailPluginProxy::ConstructMailboxNameWithMessageCountLC( MMailboxData& aMailboxData )

    {

    FUNC_LOG;

    HBufC* mailboxAndCount( NULL );

    TInt unreadCount = UnreadCountL( aMailboxData );

    if ( unreadCount > 0 )

        {

        // Arrays must be used when loc string contains indexed parameters

        CDesCArrayFlat* strings = new CDesCArrayFlat( 1 );

        CleanupStack::PushL( strings );

        strings->AppendL( aMailboxData.Name() ); // replace "%0U" with mailbox name

        CArrayFix<TInt>* ints = new(ELeave) CArrayFixFlat<TInt>( 1 );

        CleanupStack::PushL( ints );

        ints->AppendL( unreadCount ); // replace "%1N" with number of unread messages

        mailboxAndCount = StringLoader::LoadL( R_EMAILWIDGET_TEXT_MAILBOX_AND_MAILCOUNT, *strings, *ints );

        CleanupStack::PopAndDestroy(ints);

        CleanupStack::PopAndDestroy(strings);

        CleanupStack::PushL( mailboxAndCount );

        }

    else

        {

        // if 0 messages, first line text is pure mailbox name

        mailboxAndCount = aMailboxData.Name().AllocLC();

        }

    INFO_1("first line: %S", mailboxAndCount);

    return mailboxAndCount;

    }

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

// CMailPluginProxy::UnreadCountL

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

//

TInt CMailPluginProxy::UnreadCountL( EmailInterface::MMailboxData& aMailboxData )

    {

    FUNC_LOG;

    TInt count( 0 );

    for ( TInt i = 0; i < aMailboxData.LatestMessagesL().Count(); i++ )

        {

        if ( aMailboxData.LatestMessagesL()[i]->Unread() )

            {

            count++;

            }

        }

    return count;

    }

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

// CMailPluginProxy::ResolveIndicatorIcon

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

//

TInt CMailPluginProxy::ResolveIndicatorIcon( EmailInterface::MMailboxData& aMailboxData )

    {

    FUNC_LOG;

    TInt indicator( 0 );

    if ( aMailboxData.Unseen() )

        {

        }

    else if ( !aMailboxData.IsOutboxEmpty() )

        {

        indicator = EMbmCmailhandlerpluginQgn_indi_cmail_outbox_msg;

        }

    else

        {

        indicator = KNullIcon;

        }

    return indicator;

    }

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

// CMailPluginProxy::ResolveWidgetInstance

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

//

TInt CMailPluginProxy::ResolveWidgetInstance( const TDesC& aContentId )

    {

    FUNC_LOG;

    TInt id( KErrNotFound );

    for ( TInt i = 0; i < iPublisher.iInstIdList.Count(); i++ )

        {

        if ( aContentId.Compare( iPublisher.iInstIdList[i].iCid ) == 0 )            

            {

            id = i;

            }

        }

    return id;

    }

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

// CMailPluginProxy::HasAccount

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

//

TBool CMailPluginProxy::HasAccount( const TDesC& aContentId )

    {

    FUNC_LOG;

    TBool found( EFalse );

    for ( TInt i = 0; i < iAccounts.Count(); i++ )

        {

        if ( !( iAccounts[i]->ContentId().Compare( aContentId ) ) )

            {

            found = ETrue;

            }

        }

    return found;

    }

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

// CMailPluginProxy::LaunchExtAppL

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

//

void CMailPluginProxy::LaunchExtAppL( const TDesC& aContentId )

    {

    FUNC_LOG;

    MMailboxData& mailbox = GetMailboxDataL( GetMailboxId( aContentId ) );

    MEmailLaunchParameters& launchParams = mailbox.LaunchParameters();

    CEikonEnv* env = CEikonEnv::Static();

    TVwsViewId view( launchParams.ApplicationUid(), launchParams.ViewId() );

    if ( launchParams.CustomMessageId().iUid == 0 )

        {

        env->EikAppUi()->ActivateViewL( view, launchParams.CustomMessageId(), launchParams.CustomMessage() );

        }

    else

        {

        env->EikAppUi()->ActivateViewL( view );

        }

    }

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

// CMailPluginProxy::ResolveMailboxId

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

//

TInt CMailPluginProxy::GetMailboxId( const TDesC& aContentId )

    {

    FUNC_LOG;

    TInt mailboxId( 0 );

    for ( TInt i = 0; i < iAccounts.Count(); i++ )

        {

        if ( !(iAccounts[i]->ContentId().Compare( aContentId )) )

            {

            mailboxId = iAccounts[i]->MailboxId();

            }

        }

    return mailboxId;

    }

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

// CMailPluginProxy::GetMailboxDataL

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

//

EmailInterface::MMailboxData& CMailPluginProxy::GetMailboxDataL( TInt aMailboxId )

    {

    FUNC_LOG;

    TInt index( KErrNotFound );

    RPointerArray<MMailboxData> mailboxes = iPlugin->EmailDataL().MailboxesL();

    for ( TInt i = 0; i < mailboxes.Count(); i++ )

        {

        if ( mailboxes[i]->MailboxId() == aMailboxId )

            {

            index = i;

            }

        }

    if ( index == KErrNotFound )

        {

        User::Leave( KErrNotFound );

        }

    return *(mailboxes[index]);

    }

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

// CMailPluginProxy::SelectAndUpdateAccountsL

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

//

void CMailPluginProxy::SelectAndUpdateAccountsL( RPointerArray<CMailExternalAccount>& aAccounts )

    {

    FUNC_LOG;

    RemoveAccountsL();

    SelectOwnAccountsL( aAccounts );

    PublishAccountsL();

    }

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

// CMailPluginProxy::UpdateAccountL

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

//

void CMailPluginProxy::UpdateAccountL( const TDesC& aContentId )

    {

    FUNC_LOG;

    PublishAccountL(

        ResolveWidgetInstance( aContentId ), 

        GetMailboxId( aContentId ) );

    }