// Copyright (c) 1997-2009 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:

#include <eiknotapi.h>

#include <AknUtils.h>

#include <AknLayoutFont.h>

#include <AknBidiTextUtils.h>

#include <AknsUtils.h>

#include <AknsDrawUtils.h>

#include <ecom/implementationproxy.h>

#include <AknsBasicBackgroundControlContext.h>

#include <AknWsEventObserver.h>

#include <apgwgnam.h> 

//#include <aknappui.h> 

#include "alfappfwproxyops.h"

#include "huiskinbackroundlayout.h"

// hollow notifier implementation to get access on AppFw inside eikon server

class CAlfAppFwNotifier : public CBase, public MEikSrvNotifierBase2, public MCoeMessageMonitorObserver	

    {

public:    

    ~CAlfAppFwNotifier()

        {

        delete iBitmap;

        delete iTempSkinBmp;

        delete iTempMaskBmp;

        delete iSkinControlContext;

        }

    void MonitorWsMessage(const TWsEvent& aEvent)

        {

        if (aEvent.Type() == EEventWindowGroupListChanged)

            {

            UpdateWgListL();

            }

       else if (aEvent.Type() == KEikDynamicLayoutVariantSwitch ||

                aEvent.Type() == KEikInputLanguageChange)

           {

           if (iLayoutMirrored != AknLayoutUtils::LayoutMirrored())

               {

               iLayoutMirrored  = AknLayoutUtils::LayoutMirrored();

               if (iLayoutMirroredMessage.IsNull())

                    { 

                    iLayoutMirroredUpdated = ETrue;

                    }

               else

                    {

                    iLayoutMirroredMessage.Complete(iLayoutMirrored);

                    iLayoutMirroredUpdated = EFalse;

                    }      

                } 

            }

        }        

    CAlfAppFwNotifier(

        TUid aNotifierUid, 

        TUid aChannel, 

        TInt aPriority )

        : iWsSession(CCoeEnv::Static()->WsSession())

        {

        iInfo.iUid = aNotifierUid;

        iInfo.iChannel= aChannel;

        iInfo.iPriority = aPriority;

        *iWgIdArray = -1; // indicates array uninitialized

        iLayoutMirrored  = AknLayoutUtils::LayoutMirrored();

        iLayoutMirroredUpdated = ETrue;    

        CCoeEnv::Static()->AddMessageMonitorObserverL(*this);

        CCoeEnv::Static()->RootWin().EnableScreenChangeEvents();

        }        

public:

    // from MEikSrvNotifierBase2

    TPtrC8 UpdateL(const TDesC8&)

        {

        return KNullDesC8();

        }

   void Cancel()

        {

        }

    void StartL(const TDesC8& aBuffer, TInt aReplySlot, const RMessagePtr2& aMessage)

        {

        TInt err = KErrNone;

        TAlfCommandParams* params =  (TAlfCommandParams*) aBuffer.Ptr();

        switch (params->iCommand)

            {

            case EAlfIsMirrorred:

                {

                if (iLayoutMirroredUpdated)

                    {

                    aMessage.Complete(iLayoutMirrored);

                    iLayoutMirroredUpdated = EFalse;

                    }    

                else

                    {            

                    iLayoutMirroredMessage = aMessage;

                    }

                return;    

                }            

            case EAlfCbaLocation:

                {

                err = AknLayoutUtils::CbaLocation();

                break;

                }            

            case EAlfLayoutMetricsRect:

                {

                TRect rect(0,0,0,0);

                AknLayoutUtils::LayoutMetricsRect((AknLayoutUtils::TAknLayoutMetrics)params->iInt1, rect);

                TPckgC<TRect> response(rect);

                err = aMessage.Write(aReplySlot, response);

                break;

                }            

            case EAlfGetCachedColor:

                {

                TAknsItemID id;

                id.iMajor = params->iInt1;

                id.iMinor = params->iInt2;

                MAknsSkinInstance* skin = AknsUtils::SkinInstance();

                TRgb color = KRgbBlack;

                err = AknsUtils::GetCachedColor(skin, color, id, params->iInt3 );

                if (!err)

                    {

                    TPckgC<TRgb> ret(color);

                    err = aMessage.Write(aReplySlot, ret);

                    }

                break;

                }

            case EAlfConvertVisualAndClip:

                {

                TUint desLength = aMessage.GetDesMaxLength(aReplySlot);

                HBufC* replyDes = HBufC::NewLC(desLength/2+1);

                TPtr ptr = replyDes->Des();                

                aMessage.Read(aReplySlot, ptr);

                // ToDo: Wo to get font from client..

                //CFont font = Use Font spec to get the font??

                //AknBidiTextUtils::ConvertToVisualAndClipL(ptr, font, params->iInt2, params->iInt3);

                err = aMessage.Write(aReplySlot, ptr);

                CleanupStack::PopAndDestroy();

                break;

                }

            case EAlfGetSkinBackgroundBitmap:

                {

                TRect dummy;

                TRect skinRect;

                TAknsItemID id;

                id.iMajor = params->iInt1;

                id.iMinor = params->iInt2;

                GetRectForItem(id, dummy, skinRect);

                if (!iBitmap)

                    {

                    iBitmap = new (ELeave) CFbsBitmap();

                    User::LeaveIfError( iBitmap->Create(skinRect.Size(), EColor16MAP) );         

                    }

                User::LeaveIfError(iBitmap->Resize(skinRect.Size()));

                if (!iSkinControlContext)

                    {

                    iSkinControlContext = CAknsBasicBackgroundControlContext::NewL(

                    KAknsIIDQsnBgScreen, TRect(TPoint(0, 0), CCoeEnv::Static()->ScreenDevice()->SizeInPixels()), ETrue);

                    }

                CFbsBitmapDevice* device = CFbsBitmapDevice::NewL(iBitmap);

                CleanupStack::PushL(device);

                CFbsBitGc* gc = 0;

                User::LeaveIfError( device->CreateContext(gc) );

                CleanupStack::PushL(gc);

                iSkinControlContext->SetRect(skinRect);

                iSkinControlContext->SetBitmap(id);

                AknsDrawUtils::DrawBackground(AknsUtils::SkinInstance(), iSkinControlContext, NULL, *gc, TPoint(0,0), skinRect,

                                  KAknsDrawParamDefault);

                CleanupStack::PopAndDestroy(gc);

                CleanupStack::PopAndDestroy(device);

                TPckg<TInt> ret(iBitmap->Handle());

                err = aMessage.Write(aReplySlot, ret);

                break;

                }

            case EAlfGetSkinBitmap:

                {

                // local override input params

                TAlfCommandParams2* params =  (TAlfCommandParams2*) aBuffer.Ptr();                

                TAknsItemID id;

                id.iMajor = params->iInt1;

                id.iMinor = params->iInt2;

                // recycle ownership through these, assuming synchronized client implementation !!

                delete iTempSkinBmp;

                iTempSkinBmp = 0;

                delete iTempMaskBmp;

                iTempMaskBmp = 0;

                TRAP(err, AknsUtils::CreateIconL(	AknsUtils::SkinInstance(), id,

					                    iTempSkinBmp, iTempMaskBmp, 

					                    params->iFileName, params->iInt3,params->iInt4));

                if (err == KErrNotFound) // lets retry without mask

                    { 

                    delete iTempSkinBmp;

                    iTempSkinBmp = 0;

                    delete iTempMaskBmp;

                    iTempMaskBmp = 0;

                    // try if we have better luck without mask

                    AknsUtils::CreateIconL(	AknsUtils::SkinInstance(), id,

					                    iTempSkinBmp, params->iFileName, params->iInt3);

                    }

                if (iTempSkinBmp)

                    {

                    AknIconUtils::DisableCompression(iTempSkinBmp);

                    AknIconUtils::SetSize( iTempSkinBmp, params->iSize, params->iScaleMode );    

                    }

                if (iTempMaskBmp)

                    {

                    AknIconUtils::DisableCompression(iTempSkinBmp);

                    AknIconUtils::SetSize( iTempMaskBmp, params->iSize, params->iScaleMode );    

                    }

                TInt2 ret;

                ret.iInt1 = iTempSkinBmp->Handle();

                ret.iInt2 = iTempMaskBmp?iTempMaskBmp->Handle():0;

                TPckg<TInt2> retp = ret;

                err = aMessage.Write(aReplySlot, retp);

                break;

                }

            case EGetCachedSkinItemData:

                {

                TAknsItemID id;

                id.iMajor = params->iInt1;

                id.iMinor = params->iInt2;

                TAlfCachedSkinItemArray array;

                array.iCount = 0;

                CAknsItemData* data = AknsUtils::SkinInstance()->CreateUncachedItemDataL( id, (TAknsItemType)params->iInt3 );

                if (data)

                    {

                    CAknsImageTableItemData* itdata = static_cast<CAknsImageTableItemData*>(data);    

                    array.iCount = Min(9, itdata->NumberOfImages());   

                    for(TInt i = 0; i<array.iCount;i++)

                        {

                        array.iImages[i] = itdata->ImageIID(i);

                        } 

                    delete data;        

                    }

                TPckgC<TAlfCachedSkinItemArray> retp(array);

                err = aMessage.Write(aReplySlot, retp);

                break;

                }

            case EGetListOfWindowGroups:

                {

                if (*iWgIdArray == -1) // uninitialized  

                    {

                    CCoeEnv::Static()->RootWin().EnableGroupListChangeEvents();

                    UpdateWgListL();

                    }

                if (*iWgIdArray != 0)

                    { // updated array exists, return it

                    CompleteWgListMessage(aMessage, aReplySlot);

                    }

                else

                    { // let messages wait for updates

                    iWgMessage = aMessage;

                    iWgReplySlot = aReplySlot;            

                    }

                return; // message completed asynchronously

                }    

            default:

                {

                err = KErrNotSupported;

                break;

                }

            }

        aMessage.Complete(err);

        }

    TPtrC8 StartL(const TDesC8&)

        { 

        return KNullDesC8();

        }

   MEikSrvNotifierBase2::TNotifierInfo Info() const        

        {

        return iInfo;

        }

   MEikSrvNotifierBase2::TNotifierInfo RegisterL()

        {

        return iInfo;

        }

   void Release()

        {

        delete this;

        }    

    void UpdateWgListL()

        {

        TInt wgId=0;

        TInt count=iWsSession.NumWindowGroups();

        if (count)

            {

            TInt* ptr = iWgIdArray;    

            Mem::FillZ(iWgIdArray,160);

            CArrayFixFlat<TInt>* wgIdArray=new(ELeave) CArrayFixFlat<TInt>(count);

            CleanupStack::PushL(wgIdArray);

            CApaWindowGroupName* wgName=CApaWindowGroupName::NewL(iWsSession);

            CleanupStack::PushL(wgName);

            User::LeaveIfError(iWsSession.WindowGroupList(wgIdArray)); // all groups

            count = wgIdArray->Count(); // count might have changed

            iWgEntriesWritten = 0;

            for (TInt ii=0; ii < count-1; ii++)

                { 

                wgId=(*wgIdArray)[ii];

                wgName->ConstructFromWgIdL(wgId);

                if(!wgName->Hidden() && wgName->AppUid().iUid) // lets skip the hidden groups  and groups w/o AppUid at the time being

                    {

                    *ptr = wgId;

                    ptr++;

                    *ptr = wgName->AppUid().iUid;

                    ptr++;                           

                    iWgEntriesWritten++;

                    }

                if (iWgEntriesWritten == 20) // magic, interim patch until we have better way to pair wg ids & clien app uids

                    {

                    break;

                    }    

                }

            CleanupStack::PopAndDestroy(2); // wgIdArray, wgName

            if (iWgIdArray[0] && !iWgMessage.IsNull())

                {

                CompleteWgListMessage(iWgMessage, iWgReplySlot);

                }

            }

        }

    void CompleteWgListMessage(const RMessagePtr2& aMessage, TInt aReplySlot)

        {

        if (Mem::Compare((TUint8*)iWgIdArray, 8*iWgEntriesWritten, (TUint8*)iWgIdArray2,8*iWgEntriesWritten))

            {

            TPtrC8 ret((TUint8*)iWgIdArray, 160);   

            if (!aMessage.IsNull())

                {

                TInt err = aMessage.Write(aReplySlot, ret);

                aMessage.Complete(err);

                }

            Mem::Copy((TUint8*)iWgIdArray2, (TUint8*)iWgIdArray,160);

            }

        Mem::FillZ(iWgIdArray, 160);

        }

private:

    MEikSrvNotifierBase2::TNotifierInfo iInfo;

    CFbsBitmap* iBitmap;

    CFbsBitmap* iTempSkinBmp;

    CFbsBitmap* iTempMaskBmp;

    CAknsBasicBackgroundControlContext* iSkinControlContext;

    TInt iWgIdArray[40]; // magic, cool

    TInt iWgIdArray2[40]; // magic, cool

    RMessagePtr2 iWgMessage;

    TInt iWgReplySlot;

    RWsSession& iWsSession;

    TUint iWgEntriesWritten;

    RMessagePtr2 iLayoutMirroredMessage;

    TBool iLayoutMirrored;

    TBool iLayoutMirroredUpdated;

    };

CArrayPtr<MEikSrvNotifierBase2>* NotifierArray()

    {

    CArrayPtrFlat<MEikSrvNotifierBase2>* array = new CArrayPtrFlat<MEikSrvNotifierBase2>(1);

    if ( array )

        {

        CAlfAppFwNotifier* notif = new CAlfAppFwNotifier(TUid::Uid(KAlfAppFwProxyUid),TUid::Uid(KAlfAppFwProxyUid), MEikSrvNotifierBase2::ENotifierPriorityHigh); 

        if ( notif )

            {

            TRAP_IGNORE(array->AppendL(notif));  // we have reserver granularity of one already

            }

        }

    return array;

    }

const TImplementationProxy ImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY(KAlfAppFwProxyUid,NotifierArray)

    };

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    {

    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy) ;

    return ImplementationTable;

    }

// end of file