/*

* Copyright (c) 2002 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:  

*     Handles different mce bitmaps.

*     First collects all the bitmaps from different mtm's and also local

*     folder's bitmaps to icon array.

*

*/

// INCLUDE FILES

#include <mtudcbas.h>       // cbasemtmuidata

#include "MtmRegistryObserver.h" // mmtmuidataregistryobserver

#include <msvuids.h>

#include <msvids.h>         // fixed entry ids

#include <gulicon.h>        // CGulIcon

#include <AknIconArray.h>   // cakniconarray

#include <fbs.h>            // CFbsFont

#include <muiu.mbg>         // bitmap enums

#include <avkon.mbg>        // bitmap enums

#include <mtud.hrh>         // EMtudEntryStateOpen

#include <SenduiMtmUids.h>  // mtm uids

#include "MceUtils.h"

#include "MceListItem.h"

#include "MceBitmapResolver.h"

#include "MceIds.h"         //kmcedocumentsentryid

// security data caging

#include <data_caging_path_literals.hrh>

#include <bldvariant.hrh>

#include <AknIconUtils.h>

// LOCAL CONSTANTS AND MACROS

_LIT( KMceDirAndFileMuiu,"muiu.mbm" );

const TInt KMceIconArrayGranularity = 10;

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

CMceBitmapResolver* CMceBitmapResolver::NewL(

    CMsvSessionPtr aSession,

    MMtmUiDataRegistryObserver& aRegObserver,

    TBool aLargeIcons )

    { // static

    CMceBitmapResolver* self=new(ELeave) CMceBitmapResolver(

        aSession, aRegObserver, aLargeIcons );

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

CMceBitmapResolver::CMceBitmapResolver(

    CMsvSessionPtr aSession,

    MMtmUiDataRegistryObserver& aRegObserver,

    TBool aLargeIcons) :

    iRegObserver(aRegObserver),

    iSession( aSession),

    iLargeIcons( aLargeIcons ),

    iBitmapsLoaded( 0 ),

    iDescriptionLength( KMceVisibleTextLength )

    {

    }

CMceBitmapResolver::~CMceBitmapResolver()

    {

    if ( iIcons )

        {

        iIcons->ResetAndDestroy();

        }

    delete iIcons;

    delete iIconIndexes;

    // iSession deleted by Ui class.

    }

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

// CMceBitmapResolver::ConstructL

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

void CMceBitmapResolver::ConstructL()

    {

    // security data caging

    TParse fp;

    fp.Set( AknIconUtils::AvkonIconFileName(), &KDC_RESOURCE_FILES_DIR , NULL );

    iFilenameAvkon = fp.FullName();

    fp.Set( KMceDirAndFileMuiu, &KDC_APP_BITMAP_DIR , NULL );

    iFilenameMuiu = fp.FullName();

    iIcons = new(ELeave) CAknIconArray( KMceIconArrayGranularity );

    iIconIndexes = new(ELeave) CArrayFixFlat<TMceBitmapListItem>(

        KMceIconArrayGranularity );

    TMceBitmapListItem listItem;

    listItem.iExtraItem = EFalse;

    listItem.iMtm.iUid = KUidMsvLocalServiceMtmValue;

    listItem.iType.iUid = KUidMsvFolderEntryValue;

    listItem.iId = KErrNone;

    listItem.iExtraItem = ETrue; 

    CreateAndAppendIconL( KAknsIIDQgnIndiMarkedAdd, iFilenameAvkon, EMbmAvkonQgn_indi_marked_add, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceWriteSub, EMbmMuiuQgn_prop_mce_write_sub, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceRemoteSub, EMbmMuiuQgn_prop_mce_remote_sub, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceRemoteNewSub, EMbmMuiuQgn_prop_mce_remote_new_sub, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceDrSub, EMbmMuiuQgn_prop_mce_dr_sub, &listItem );

    listItem.iExtraItem = EFalse;

    listItem.iId = KMsvGlobalInBoxIndexEntryId;

    CreateAndAppendIconL( KAknsIIDQgnPropMceInboxSub, EMbmMuiuQgn_prop_mce_inbox_sub, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceInboxNewSub, EMbmMuiuQgn_prop_mce_inbox_new_sub, &listItem );

    listItem.iId = KMceDocumentsEntryId;

    CreateAndAppendIconL( KAknsIIDQgnPropMceDocumentsSub, EMbmMuiuQgn_prop_mce_documents_sub, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceDocumentsNewSub, EMbmMuiuQgn_prop_mce_documents_new_sub, &listItem );

    listItem.iId = KMsvDraftEntryId;

    CreateAndAppendIconL( KAknsIIDQgnPropMceDraftsSub, EMbmMuiuQgn_prop_mce_drafts_sub, &listItem );

    listItem.iId = KMsvSentEntryId;

    CreateAndAppendIconL( KAknsIIDQgnPropMceSentSub, EMbmMuiuQgn_prop_mce_sent_sub, &listItem );

    listItem.iId = KMsvGlobalOutBoxIndexEntryId;

    CreateAndAppendIconL( KAknsIIDQgnPropMceOutboxSub, EMbmMuiuQgn_prop_mce_outbox_sub, &listItem );

    listItem.iId = KErrNone;

    CreateAndAppendIconL( KAknsIIDQgnPropMceUnknownRead, EMbmMuiuQgn_prop_mce_unknown_read, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropMceTemplate, iFilenameAvkon, EMbmAvkonQgn_prop_folder_temp, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropFolderSmall, iFilenameAvkon, EMbmAvkonQgn_prop_folder_small, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnPropFolderSmallNew, iFilenameAvkon, EMbmAvkonQgn_prop_folder_small_new, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnIndiAttachementAdd, iFilenameMuiu, EMbmMuiuQgn_indi_attach_add, &listItem, ETrue );

    CreateAndAppendIconL( KAknsIIDQgnIndiConnectionOnAdd, iFilenameMuiu, EMbmMuiuQgn_indi_connection_on_add, &listItem, ETrue );

    CreateAndAppendIconL( KAknsIIDQgnIndiConnectionAlwaysAdd, iFilenameMuiu, EMbmMuiuQgn_indi_connection_always_add, &listItem, ETrue );

    CreateAndAppendIconL( KAknsIIDQgnIndiConnectionInactiveAdd, iFilenameMuiu, EMbmMuiuQgn_indi_connection_inactive_add, &listItem, ETrue );

    CreateAndAppendIconL( KAknsIIDQgnIndiConnectionInactiveAdd, iFilenameMuiu, EMbmMuiuQgn_indi_connection_on_roam_add, &listItem, ETrue );

    CreateAndAppendIconL( KAknsIIDQgnIndiMcePriorityHigh, iFilenameAvkon, EMbmAvkonQgn_indi_mce_priority_high, &listItem );

    CreateAndAppendIconL( KAknsIIDQgnIndiMcePriorityLow, iFilenameAvkon, EMbmAvkonQgn_indi_mce_priority_low, &listItem );

    // add one dummy item which will be replaced when querying message items icons

    CreateAndAppendIconL( KAknsIIDQgnPropMceUnknownRead, EMbmMuiuQgn_prop_mce_unknown_read );

    iDescriptionLength = MceUtils::DescriptionLengthL();

    }

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

// CMceBitmapResolver::CreateAndAppendIconL

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

void CMceBitmapResolver::CreateAndAppendIconL(  TAknsItemID aId, TInt aBitmapIndex, const TMceBitmapListItem* aListItem /* = NULL */ )

    {

    CreateAndAppendIconL( aId, iFilenameMuiu, aBitmapIndex, aListItem );

    }

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

// CMceBitmapResolver::CreateAndAppendIconL

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

void CMceBitmapResolver::CreateAndAppendIconL(

    TAknsItemID aId,

    const TDesC& aFileName,

    TInt aBitmapIndex,

    const TMceBitmapListItem* aListItem /* = NULL */,

    TBool aColorSkinnedIcon /*= EFalse */ )

    {

    MAknsSkinInstance* skins = AknsUtils::SkinInstance();

    CFbsBitmap* bitmap = NULL;

    CFbsBitmap* mask = NULL;

    if ( aListItem && 

         aListItem->iExtraItem && 

         aListItem->iType.iUid > 0 &&

         aListItem->iType.iUid != KUidMsvFolderEntryValue

       )

        {

        // this is extra item and it has application uid, try to load it!

        TUid uid = aListItem->iType;

        AknsUtils::CreateAppIconLC( 

            skins, 

            uid,

            EAknsAppIconTypeList, 

            bitmap,

            mask );

        CleanupStack::Pop(2);

        }

    if ( !bitmap )    

        {

        if ( aColorSkinnedIcon )

            {

            TRgb rgb; // What to add here?

            AknsUtils::CreateColorIconL(

                skins, 

                aId, 

                KAknsIIDQsnIconColors,

                EAknsCIQsnIconColorsCG13,

                bitmap,

                mask, 

                aFileName, 

                aBitmapIndex, 

                aBitmapIndex + 1,

                rgb );  

            }

        else

            {

            AknsUtils::CreateIconL( skins, aId, bitmap,

                mask, aFileName, aBitmapIndex, aBitmapIndex + 1 );  

            }

        }

    CGulIcon* icon = CGulIcon::NewL( bitmap, mask );

    CleanupStack::PushL( icon );

    if ( aListItem && aListItem->iExtraItem && aListItem->iId >= KMceFirstExtraItemId )

        {

        iIcons->InsertL( iIconIndexes->Count(), icon );

        }

    else

        {

        iIcons->AppendL( icon );

        }

    CleanupStack::Pop( icon );

    if ( aListItem )

        {

        iIconIndexes->AppendL( *aListItem );

        }

    iBitmapsLoaded = iIconIndexes->Count();

    }

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

// CMceBitmapResolver::IconArray

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

CArrayPtrFlat<CGulIcon>* CMceBitmapResolver::IconArray()

    {

    return iIcons;

    }

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

// CMceBitmapResolver::BitmapIndex

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

TInt CMceBitmapResolver::BitmapIndex( const TMceBitmapListItem& aItem ) const

    {

    TInt foundIndex = KErrNotFound;

    if ( aItem.iExtraItem )

        {

        if ( aItem.iId == KMceWriteMessageId )

            {

            foundIndex = EMceBitmapIndexWrite;

            }

        else if ( aItem.iId == KMceDeliveryReportsId )

            {

            foundIndex = EMceBitmapIndexDr;

            }

        else if ( aItem.iId == KMceNoMailboxesListId )

            {

            foundIndex = EMceBitmapIndexRemote;

            }

        else

            {

            const TInt count = iIconIndexes->Count();

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

                {

                const TMceBitmapListItem item = (*iIconIndexes)[i];

                if ( (*iIconIndexes)[i].iId == aItem.iId )

                    {

                    foundIndex = i;

                    }

                }

            if ( foundIndex == KErrNotFound )

                {

                foundIndex = EMceBitmapIndexUnknown;

                }

            }

        }

    if ( foundIndex == KErrNotFound &&

        aItem.iMtm.iUid == KUidMsvLocalServiceMtmValue &&

        aItem.iType.iUid == KUidMsvFolderEntryValue )

        {

        foundIndex = LocalEntryBitmapIndex( aItem.iId );

        }

    if ( foundIndex == KErrNotFound &&

         aItem.iType.iUid == KUidMsvServiceEntryValue )

        {

        // item is service entry (remote mailbox usually) so this

        // icon is loaded from mtm uid data when needed and

        // its index is last in icon array

        foundIndex = iIcons->Count()-1;

        }

    return ( foundIndex == KErrNotFound ?

        EMceBitmapIndexUnknown :

        foundIndex );

    }

#ifndef RD_MSG_NAVIPANE_IMPROVEMENT

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

// CMceBitmapResolver::BitmapIndex

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

TInt CMceBitmapResolver::BitmapIndex( const TMsvEntry& aEntry )

    {

    TInt foundIndex = KErrNotFound;

    const TMsvId id = aEntry.Id();

    if ( aEntry.iMtm == KUidMsvLocalServiceMtm &&

         aEntry.iType == KUidMsvFolderEntry )

        {

        foundIndex = LocalEntryBitmapIndex( id );        

        // check if folder has unread messages

        if ( id ==  KMsvGlobalInBoxIndexEntryId ||

            id ==  KMceDocumentsEntryId ||

            id >= KFirstFreeEntryId

            )

            {

            TBool unreadMessages = EFalse;

            TRAPD(err, ( unreadMessages = HasUnreadMessagesL( id ) ) );

            if (err == KErrNone && unreadMessages )

                {

                foundIndex++;

                }

            }

        }

    // special handling for remote mailboxes to make main view appear faster in startup

    if ( aEntry.iType == KUidMsvServiceEntry &&

         ( aEntry.iMtm == KSenduiMtmImap4Uid ||

           aEntry.iMtm == KSenduiMtmPop3Uid )

         )

        {

        foundIndex = EMceBitmapIndexRemote;

        TBool unreadMessages = EFalse;

        TRAPD(err, ( unreadMessages = HasUnreadMessagesL( id ) ) );

        if (err == KErrNone && unreadMessages )

            {

            foundIndex++;

            }

        }

    if ( foundIndex == KErrNotFound )

        {

        TRAPD(err, ( foundIndex = LoadBitmapL( aEntry ) ) );

        if (err != KErrNone )

            {

            foundIndex = KErrNotFound;

            }

        }

    return ( foundIndex == KErrNotFound ?

        EMceBitmapIndexUnknown : foundIndex );

    }

#else

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

// CMceBitmapResolver::BitmapIndex

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

TInt CMceBitmapResolver::BitmapIndex( const TMsvEntry& aEntry )

    {

    TInt messageCount = 0;

    return BitmapIndex( aEntry, messageCount );

    }

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

// CMceBitmapResolver::BitmapIndex

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

TInt CMceBitmapResolver::BitmapIndex( const TMsvEntry& aEntry, TInt& aMessageCount )

    {

    TInt foundIndex = KErrNotFound;

    aMessageCount = 0;

    TInt unreadCount = 0;

    TBool unreadMessages = EFalse;

    const TMsvId id = aEntry.Id();

    if ( aEntry.iMtm == KUidMsvLocalServiceMtm &&

         aEntry.iType == KUidMsvFolderEntry )

        {

        foundIndex = LocalEntryBitmapIndex( id );        

        // check if folder has unread messages

        if ( id ==  KMsvGlobalInBoxIndexEntryId ||

            id ==  KMceDocumentsEntryId ||

            id == KMsvDraftEntryIdValue ||

            id == KMsvSentEntryIdValue ||

            id == KMsvGlobalOutBoxIndexEntryIdValue ||

            id >= KFirstFreeEntryId

            )

            {

            TRAPD(err, ( unreadMessages = HasUnreadMessagesL( id, aMessageCount, unreadCount ) ) );

            if (err == KErrNone && unreadMessages )

                {

                foundIndex++;

                }

            }

        }

    // special handling for remote mailboxes to make main view appear faster in startup

    if ( aEntry.iType == KUidMsvServiceEntry &&

         ( aEntry.iMtm == KSenduiMtmImap4Uid ||

           aEntry.iMtm == KSenduiMtmPop3Uid )

         )

        {

        foundIndex = EMceBitmapIndexRemote;

        TRAPD(err, ( unreadMessages = HasUnreadMessagesL( id, aMessageCount, unreadCount ) ) );

        if (err == KErrNone && unreadMessages )

            {

            foundIndex++;

            }

        }

    if ( foundIndex == KErrNotFound )

        {

        TInt err = KErrNone;

        if ( aEntry.iType == KUidMsvServiceEntry ||

            aEntry.iType == KUidMsvFolderEntry)

            {

            TRAP(err, ( unreadMessages = HasUnreadMessagesL( id, aMessageCount, unreadCount ) ) );

            }

        TRAP(err, ( foundIndex = LoadBitmapL( aEntry, unreadCount ) ) );

        if (err != KErrNone )

            {

            foundIndex = KErrNotFound;

            }

        }

    return ( foundIndex == KErrNotFound ?

        EMceBitmapIndexUnknown : foundIndex );

    }

#endif // RD_MSG_NAVIPANE_IMPROVEMENT

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

// CMceBitmapResolver::LoadBitmapL

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

#ifndef RD_MSG_NAVIPANE_IMPROVEMENT

TInt CMceBitmapResolver::LoadBitmapL( const TMsvEntry& aEntry, TInt aPriority )

#else

TInt CMceBitmapResolver::LoadBitmapL( const TMsvEntry& aEntry, TBool aHasUnreadMessages )

#endif

    {

    CBaseMtmUiData* uiData=iRegObserver.GetMtmUiDataL( aEntry.iMtm );

    if ( uiData )

        {

        TInt flags = 0;

        if ( aEntry.iType == KUidMsvServiceEntry ||

            aEntry.iType == KUidMsvFolderEntry)

            {

            TBool unreadMessages = EFalse;

            TInt err = KErrNone;

#ifndef RD_MSG_NAVIPANE_IMPROVEMENT

            TRAP( err, ( unreadMessages = HasUnreadMessagesL( aEntry.Id() ) ) );

#else

            unreadMessages = aHasUnreadMessages;

#endif // RD_MSG_NAVIPANE_IMPROVEMENT

            // leave error codes are filtered, because it is not important to know

            // if there are unread messages or not, 

            // just different icon would be displayed

            if (err == KErrNone && unreadMessages )

                {

                flags = EMtudEntryStateOpen; // includes unread messages

                }

            //check for sub folders           

            TMsvSelectionOrdering selectionOrdering( KMsvGroupByType, EMsvSortByNone, ETrue );

	        CMsvEntry* entry = iSession->GetEntryL( aEntry.Id() );

            entry->SetSortTypeL( selectionOrdering ); 

            CleanupStack::PushL( entry );

            TInt index = entry->Count()-1;

            while ( ( index>=0 ) && ( (*entry)[index].iType != KUidMsvFolderEntry ) )

                {

                index--;

                }

            CleanupStack::PopAndDestroy( entry );

            if( index != -1 )

                {                

                flags |= EMtudEntryStateSubFolder;

                }

            }

        const CBaseMtmUiData::CBitmapArray* bitmaps = NULL;

#ifndef RD_MSG_NAVIPANE_IMPROVEMENT

        if ( aPriority == KMceMmsPriority )

            {

            bitmaps = &uiData->ContextIcon( aEntry, ETrue );

            }

        else

            {

            bitmaps = &uiData->ContextIcon( aEntry, flags );

            }

#else

        bitmaps = &uiData->ContextIcon( aEntry, flags );

#endif        

        if ( bitmaps )

            {

            CGulIcon* tempBmp = NULL;

            if ( bitmaps->Count() == 1 )

                {

                tempBmp = CGulIcon::NewL( bitmaps->At( 0 ) );

                }

            else if ( bitmaps->Count() > 1 )

                {

                tempBmp = CGulIcon::NewL( bitmaps->At( 0 ), bitmaps->At( 1 ) );

                }

            if ( tempBmp )

                {

                CleanupStack::PushL( tempBmp );

                tempBmp->SetBitmapsOwnedExternally( ETrue );

#ifndef RD_MSG_NAVIPANE_IMPROVEMENT