/*

* Copyright (c) 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:

* CWmWidgetData implementation.

*

*/

// INCLUDE FILES

#include <fbs.h>

#include <bautils.h>

#include <s32file.h>

#include <hscontentinfo.h>

#include <widgetregistryclient.h> // widgetreqistry

#include <StringLoader.h>

#include <eikenv.h>

#include "wmwidgetdata.h"

#include "wmwidgetdataobserver.h"

#include "wmpersistentwidgetorder.h"

#include "wmcommon.h"

#include <widgetmanagerview.rsg>

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

// CWmWidgetData::NewL

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

//

CWmWidgetData* CWmWidgetData::NewL( 

        CHsContentInfo* aHsContentInfo,

        RWidgetRegistryClientSession* aRegistryClientSession )

    {

    CWmWidgetData* self = CWmWidgetData::NewLC( 

            aHsContentInfo, aRegistryClientSession );

    CleanupStack::Pop(); // self;

    return self;

    }

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

// CWmWidgetData::NewLC

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

//

CWmWidgetData* CWmWidgetData::NewLC( 

        CHsContentInfo* aHsContentInfo,

        RWidgetRegistryClientSession* aRegistryClientSession )

    {

    CWmWidgetData* self = new ( ELeave ) CWmWidgetData();

    CleanupStack::PushL(self);

    self->ConstructL( aHsContentInfo, aRegistryClientSession );

    return self;

    }

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

// CWmWidgetData::CWmWidgetData

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

//

CWmWidgetData::CWmWidgetData()

    {

    iIdle = NULL;

    iLogoImage = NULL;    

    iLogoImageMask = NULL;

    iHsContentInfo = NULL;

    iWidgetType = CWmWidgetData::EUnknown;

    iInstallAnimationIndex = KErrNotFound;

    iPublisherUid = KNullUid;

    iLogoSize = TSize( 0, 0 );

    }

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

// CWmWidgetData::ConstructL

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

//

void CWmWidgetData::ConstructL( 

        CHsContentInfo* aHsContentInfo,

        RWidgetRegistryClientSession* aRegistryClientSession )

    {

    InitL( aHsContentInfo, aRegistryClientSession );

    // start decoding the icon

    iImageConverter = CWmImageConverter::NewL( this );

    iIdle = CIdle::NewL( CActive::EPriorityLow );

    iIdle->Start( TCallBack( HandleAsyncIconString, this ) );

    }

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

// CWmWidgetData::InitL

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

//

void CWmWidgetData::InitL(

        CHsContentInfo* aHsContentInfo,

        RWidgetRegistryClientSession* aRegistryClientSession )

    {

    // analyse the widget type

    if ( aHsContentInfo->Type() == KContentTemplate )

        {

        iWidgetType = CWmWidgetData::ECps; // wrt widgets included in this gategory

        }

    else if ( aHsContentInfo->Type() == KContentWidget )

        {

        iWidgetType = CWmWidgetData::ENative;

        }

    // take ownership of the content info

    iHsContentInfo = aHsContentInfo;

    // get publisher uid from widget registry

    FetchPublisherUidL( aRegistryClientSession );

    }

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

// CWmWidgetData::~CWmWidgetData

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

//

CWmWidgetData::~CWmWidgetData()

    {

    if ( iIdle && iIdle->IsActive() )

        {

        iIdle->Cancel();

        }

    delete iIdle;

    SetObserver( NULL );

    delete iLogoImage;

    delete iLogoImageMask;

    delete iImageConverter;

    delete iHsContentInfo;

    }

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

// CWmWidgetData::SetObserver

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

//

void CWmWidgetData::SetObserver( MWmWidgetDataObserver* aObserver )

    {

    iObserver = aObserver;

    }

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

// CWmWidgetData::SetObserver

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

//

void CWmWidgetData::SetPersistentWidgetOrder(

        const CWmPersistentWidgetOrder* aPersistentWidgetOrder )

    {

    iPersistentWidgetOrder = aPersistentWidgetOrder;

    }

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

// CWmWidgetData::EqualsTo

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

//

TBool CWmWidgetData::EqualsTo( CHsContentInfo& aContentInfo )

    {

    return (

        HsContentInfo().Uid() == aContentInfo.Uid() &&

        HsContentInfo().PublisherId() == aContentInfo.PublisherId() );

    }

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

// CWmWidgetData::CompareByName

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

//

TInt CWmWidgetData::CompareByName( 

        const CWmWidgetData& aDataOne, const CWmWidgetData& aDataTwo )

    {

    // negate the result for ascending alphabetical order

    TInt result = aDataOne.Name().CompareC( aDataTwo.Name() );

    return result;

    }

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

// CWmWidgetData::CompareByPersistentWidgetOrder

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

//

TInt CWmWidgetData::CompareByPersistentWidgetOrder( 

        const CWmWidgetData& aDataOne, const CWmWidgetData& aDataTwo )

    {

    TInt result;

    const CWmPersistentWidgetOrder* order = aDataOne.iPersistentWidgetOrder;

    if ( order && !order->IsEmpty() )

        {

        result = order->IndexOf( aDataOne ) - order->IndexOf( aDataTwo );

        }

    else

        {

        // fallback: if persistent widget order is not available

        // or it is empty (this is the case on first start, or if the persistent

        // file is corrupted or deleted) -> order widgets by name.

        result = CompareByName( aDataOne, aDataTwo );

        }

    return result;

    }

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

// CWmWidgetData::NotifyCompletion

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

//

void CWmWidgetData::NotifyCompletion( TInt aError )

    {

    delete iLogoImage;

    iLogoImage = NULL;

    delete iLogoImageMask;

    iLogoImageMask = NULL;

    if ( KErrNone != aError )

        {

        // no image available. Do nothing.

        }

    else

        {

        iLogoImage = iImageConverter->Bitmap();

        iLogoImageMask = iImageConverter->Mask();

        FireDataChanged();

        }

    }

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

// CWmWidgetData::HandleIconStringL

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

//

void CWmWidgetData::HandleIconStringL( const TDesC& aIconStr )

    {

    HBufC* iconStr = NULL;

    if ( aIconStr.Length() == 0 && 

        iPublisherUid != KNullUid )

        {

        // workaround for wrt widgets icon

        _LIT( KUidTag, "uid(0x%x)" );

        const TInt KLength = 32;

        iconStr = HBufC::NewLC( KLength );

        iconStr->Des().Format( KUidTag, iPublisherUid.iUid );

        }

    else

        {

        iconStr = aIconStr.AllocLC();

        }

    TSize size( iLogoSize );

    if ( iLogoImage ) { size = iLogoImage->SizeInPixels(); }

    if ( size != iLogoSize &&

        iLogoSize.iWidth > 0 && iLogoSize.iHeight > 0 )

        {

        size = iLogoSize;

        }

    iImageConverter->HandleIconStringL( 

            size.iWidth, size.iHeight, *iconStr );

    CleanupStack::PopAndDestroy( iconStr );    

    }

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

// CWmWidgetData::FireDataChanged

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

//

void CWmWidgetData::FireDataChanged()

    {

    if ( iObserver )

        {

        iObserver->HandleWidgetDataChanged( this );

        }

    }

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

// CWmWidgetData::UidFromString

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

//

TUid CWmWidgetData::UidFromString( const TDesC8& aUidString ) const

    {

    TUid uid( TUid::Null() );

    const TInt KHexPrefixLength = 2;

    if ( aUidString.Length() > KHexPrefixLength )

        {

        TUint id = 0;

        TLex8 lex( aUidString.Mid( KHexPrefixLength ) );

        if ( lex.Val( id, EHex ) == KErrNone )

            {

            uid.iUid = (TInt32)id;

            }

        }

    return uid;

    }

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

// CWmWidgetData::PublisherUid

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

//

TUid CWmWidgetData::PublisherUid()

    {    

    return iPublisherUid;

    }

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

// CWmWidgetData::FetchPublisherUidL

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

//

void CWmWidgetData::FetchPublisherUidL( 

            RWidgetRegistryClientSession* aRegistryClientSession )

    {

    if ( iPublisherUid == KNullUid && 

        PublisherId() != KNullDesC &&

        iWidgetType != CWmWidgetData::ENative &&

        aRegistryClientSession )

        {

        TInt widgetUid = aRegistryClientSession->GetWidgetUidL( PublisherId() );

        if ( widgetUid != 0 )

            {

            // WRT widget

            iPublisherUid = TUid::Uid( widgetUid );

            HBufC* desc = StringLoader::LoadLC( R_QTN_WM_WIDGET_DETAILS_WRT, 

                    CEikonEnv::Static() );

            iHsContentInfo->SetDescriptionL( *desc );

            CleanupStack::PopAndDestroy( desc );

            }

        else

            {

            iPublisherUid = KNullUid;

            }

        }

    }

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

// CWmWidgetData::SetLogoSize

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

//

void CWmWidgetData::SetLogoSize( const TSize& aSize )

    {

    iLogoSize = aSize;

    if ( iImageConverter )

        {

        iImageConverter->SetLogoSize( aSize );

        }

    }

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

// CWmWidgetData::HandleAsyncIconString

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

//

TInt CWmWidgetData::HandleAsyncIconString( TAny* aPtr )

    {

    CWmWidgetData* self = static_cast< CWmWidgetData* >( aPtr );    

    if ( self->iIdle->IsActive() )

      { 

      self->iIdle->Cancel(); 

      }

    TRAP_IGNORE( self->HandleIconStringL( 

            self->HsContentInfo().IconPath() ); );

    return KErrNone;

    }

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

// CWmWidgetData::ReCreateLogo

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

//

void CWmWidgetData::ReCreateLogo( const TSize& aSize )

    {

    iLogoSize = aSize;

    delete iLogoImage;

    iLogoImage = NULL;

    delete iLogoImageMask;

    iLogoImageMask = NULL;

    if ( iIdle && !iIdle->IsActive() )

        {

        // start decoding the icon

        iIdle->Start( TCallBack( HandleAsyncIconString, this ) );

        }

    }

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

// CWmWidgetData::ReplaceContentInfoL

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

//

TBool CWmWidgetData::ReplaceContentInfoL(

        CHsContentInfo* aHsContentInfo )

    {

    TBool sameAppearance = (

            iHsContentInfo->Name() == aHsContentInfo->Name() &&

            iHsContentInfo->Description() == aHsContentInfo->Description() &&

            iHsContentInfo->CanBeAdded() == aHsContentInfo->CanBeAdded() );

    TBool sameLogo = (

            iHsContentInfo->IconPath() == aHsContentInfo->IconPath() );

    // delete the old content info

    delete iHsContentInfo;

    iHsContentInfo = NULL;

    // re-init the object

    InitL( aHsContentInfo, NULL );

    if ( !sameAppearance )

        {

        // fire change event -> widget redrawn

        FireDataChanged();

        }

    if ( !sameLogo )

        {

        // re-convert image

        // change event will be fired later when bitmap is ready

        ReCreateLogo( iLogoSize );

        }

    return !( sameAppearance && sameLogo );

    }

// End of file