/*

* Copyright (c) 2008 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:  CAknIconSrvPrecacher class.

*

*

*/

#ifdef PRECACHE2

#include <e32std.h>

#include <fbs.h>

#include <barsread.h>

#include <barsc.h>

#include "AknIconSrvPrecacher.h"

#include "AknIconSrv.h"

#include "AknIconTraces.h"

#include "AknIconSrv.h"

#include "AknIconLoader.h"

#include "AknIconSrvCache.h"

#include "AknIconSrvDef.h"

#include "AknIconManager.h"

#include "AknIconSrvIconItem.h"

#include "AknIconSrvUtils.h"

#include "AknIconUtils.h"

#include "mifconvdefs.h"

#include "AknSvgFormatHandler.h"

#include "akniconconfig.h"

#include "AknIconFormatHandlerFactory.h"

_LIT( KAknIconResourceFile, "z:\\resource\\akniconsrv.rsc" );

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

// 2 Phase Construction

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

CAknIconSrvPrecacher::CAknIconSrvPrecacher( CAknIconServer& aServer ) :

    iServer(aServer)

    {

    }

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

// 2 Phase Construction

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

CAknIconSrvPrecacher* CAknIconSrvPrecacher::NewL( CAknIconServer& aServer )

    {

    CAknIconSrvPrecacher* self = new( ELeave ) CAknIconSrvPrecacher( aServer );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// 2 Phase Construction

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

void CAknIconSrvPrecacher::ConstructL()

    {

    User::LeaveIfError( iFs.Connect() );

    iSvgFormatHandler = CAknSvgFormatHandler::NewL();

    User::LeaveIfError( RFbsSession::Connect() );

    }

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

// Destructor

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

CAknIconSrvPrecacher::~CAknIconSrvPrecacher()

    {

    delete iLoader;

    delete iSvgFormatHandler;

    RFbsSession::Disconnect();

    iFs.Close();

    }

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

// Start reading from precache list

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

void CAknIconSrvPrecacher::Start()

    {

    HBufC8* res = NULL ;

    TRAPD(err, res = SetupL());

    if (err == KErrNone)

        {

        TResourceReader reader;

        reader.SetBuffer( res );

        TRAPD(merror, ReadPrecacheItemsL( reader));

        if(merror != KErrNone)

            {

#ifdef __AKNICON_TRACES

            RDebug::Printf("Error Processing Precacher List");

#endif

            }

        iServer.iPrecacheComplete = ETrue;

        RThread thread;

        thread.Suspend();

        while (iServer.iFreePrecacheBitmapHandles.Count())

            {

            CFbsBitmap* bitmap = iServer.iFreePrecacheBitmapHandles[0];

            delete bitmap;

            iServer.iFreePrecacheBitmapHandles.Remove(0);

            }

        iServer.iFreePrecacheBitmapHandles.Close();

        }

        if(res)

            {

            delete res;

            }

    }

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

// read each item from the list

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

TInt CAknIconSrvPrecacher::ReadPrecacheItemsL(TResourceReader& aReader)

    {

    TInt count = aReader.ReadInt16();

    if (count > 0)

        {

        User::LeaveIfError( iSkinSession.Connect( ) );

        CAknsSrvChunkLookup* lookup = iSkinSession.CreateChunkLookupL();

        CleanupStack::PushL( lookup );

        iCurrentFileName.Zero();

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

            {

#ifdef __AKNICON_TRACES

            RDebug::Printf("precache loop,%d,%d",i,count);

#endif

            TRAPD(error,ProcessEntryL(lookup, aReader));

            if(error != KErrNone)

                {

#ifdef __AKNICON_TRACES

                RDebug::Printf("Error Processing Precacher List");

#endif

                }

            }

        CleanupStack::PopAndDestroy( 1 ); // lookup

        iSkinSession.Close();

        }

    return count;

    }

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

// read each entry into iNewprecached items

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

void CAknIconSrvPrecacher::ProcessEntryL(CAknsSrvChunkLookup* lookup, TResourceReader& aReader)

    {

    TAknIconParams info;

    info.iRotationAngle = 0;

    info.iColor = KColorNotDefined;

    TFileName file;

    TInt skinIdMajor = aReader.ReadInt32();

    TInt skinIdMinor = aReader.ReadInt32();

    HBufC* temp;

    temp = aReader.ReadHBufC16L();

    if (temp)

        {

        file.Copy(temp->Des());

        delete temp;

        }

    else

        {

        file.Zero();

        }

    info.iBitmapId = aReader.ReadInt32();

    info.iMaskId = aReader.ReadInt32();

    TInt width = aReader.ReadInt32();

    TInt height = aReader.ReadInt32();

    info.iSize = TSize(width,height);

    info.iMode = (TScaleMode)aReader.ReadInt32();

    info.iAppIcon = EFalse;

    // Convert icon ID to MIF ID

    if ( info.iBitmapId >= KMifIdFirst )

        {

        info.iBitmapId -= KMifIdFirst;

        }

    if ( info.iMaskId >= KMifIdFirst )

        {

        info.iMaskId -= KMifIdFirst;

        }

    if (skinIdMajor != -1 || skinIdMinor != -1)

        {

        TAknsItemID id = { skinIdMajor, skinIdMinor };

        CAknsItemDef* def = lookup->LookupAndCreateDefL( id );

        if ( def )

            {

            CleanupStack::PushL( def );

            TAknsItemType type = def->Type();

            switch ( type )

                {

                case EAknsITBitmap:

                    {

                    info.iBitmapId=(*static_cast<CAknsBitmapItemDef*>( def )).Index();

                    if ( info.iBitmapId >= KMifIdFirst )

                        {

                        info.iBitmapId -= KMifIdFirst;

                        }

                    info.iMaskId = -1;

                    file = (*static_cast<CAknsBitmapItemDef*>( def )).Filename();

                    break;

                    }

                case EAknsITMaskedBitmap:

                    {

                    info.iBitmapId=(*static_cast<CAknsBitmapItemDef*>( def )).Index();

                    if ( info.iBitmapId >= KMifIdFirst )

                        {

                        info.iBitmapId -= KMifIdFirst;

                        }

                    info.iMaskId = info.iBitmapId + 1;

                    file = (*static_cast<CAknsBitmapItemDef*>( def )).Filename();

                    break;

                    }

                default:

                    {

                    break;

                    }

                }

            CleanupStack::PopAndDestroy(); // def

            }

        }

    if (file.Length() == 0)

        {

        #ifdef __AKNICON_TRACES

        RDebug::Printf("Precacher resource: File name invalid");

        #endif

        return;

        }

    if ( iCurrentFileName != file || iLoader == NULL )

        {

        delete iLoader;

        iLoader = NULL;

        iLoader = CAknIconLoader::NewL( iFs, file );

#ifdef _NGATESTING

        iLoader->SetIconTypeConfig(iServer.iConfigIconType, iServer.iNGADirectory);

#endif

        iCurrentFileName = file;

        }

    if( iLoader == NULL )

        {

        #ifdef __AKNICON_TRACES

        RDebug::Printf("Precacher resource: Unable to create iLoader");

        #endif

        return;

        }

    TPtrC8 iconData ;

    iconData.Set(iLoader->IconL( info.iBitmapId ));

    TDisplayMode bitmapDepth;

    bitmapDepth = (TDisplayMode)iLoader->IconDepthL( info.iBitmapId );

  /*  TDisplayMode maskDepth;

    maskDepth =  */(TDisplayMode)iLoader->MaskDepthL( info.iBitmapId );

    iSvgFormatHandler->SupportedDisplayMode(bitmapDepth, iServer.iIconMode );

    TInt iconHandle;

    iSvgFormatHandler->PrepareIconL( iconData, iconHandle );

    iLoader->FreeIcon();

    iSvgFormatHandler->UsePreparedIconL( iconHandle );

    CFbsBitmap* bitmap = new( ELeave ) CFbsBitmap;

    CleanupStack::PushL( bitmap );

    CFbsBitmap* mask = NULL;

    if ( info.iMaskId >= 0 )

        {

        mask = new( ELeave ) CFbsBitmap;

        CleanupStack::PushL( mask );

        }

    TAknContentDimensions dimensions;

    dimensions = AknIconSrvUtils::RenderPreparedIconL(

        *iSvgFormatHandler,

        bitmap,

        mask,

        bitmapDepth,

        iServer.IconDepth(),

        info.iSize,

        (TScaleMode)info.iMode,

        0 //RotationAngle 

        );

    iSvgFormatHandler->UnprepareIcon( iconHandle );

    //

    if (file.Left( KAknIconDefaultDirLength ) == KAknIconDefaultDir )

        {

        info.iFileName = file.Mid( KAknIconDefaultDirLength );

        info.SetDefaultIconDirUsed();

        }

    else

        {

        info.iFileName = file;

        }

    //

    CAknIconSrvIconItem* item;

    item = CAknIconSrvIconItem::NewL( info, bitmap, mask, dimensions, *(iServer.iFileNameCache ));

    CleanupStack::PushL(item);//item

    item->iUserCount--;

   if ( mask )

        {

        item->iUserCount--;

        }

   item->iPrecacheItem = ETrue;

   iServer.iNewPrecachedItems.AppendL(item);

   CleanupStack::Pop(); // item

   if ( mask )

        {

        CleanupStack::Pop(); // mask

        }

   CleanupStack::Pop(); //bitmap             

   }

HBufC8* CAknIconSrvPrecacher::SetupL()

    {

    RResourceFile file;

    file.OpenL( iFs, KAknIconResourceFile ) ;

    CleanupClosePushL( file );

    HBufC8* res =file.AllocReadLC( R_PRECACHE_LIST2 );

    CleanupStack::Pop(1); // res

    CleanupStack::PopAndDestroy(1);//file

    return res;

    }

    #endif

// ------------------------------EndOfFile-------------------------------------------