/*

* 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:

* loads widget manager resources and icons

*

*/

// INCLUDE FILES

#include <eikenv.h>

#include <eikappui.h>

#include <aknapp.h>

#include <bautils.h>

#include <gdi.h>

#include <aknbutton.h>

#include <AknIconUtils.h>

#include <StringLoader.h>

#include <aknnotewrappers.h>

#include <widgetmanagerview.rsg>

#include "wmresourceloader.h"

// CONSTANTS

_LIT( KZdrive, "Z:" );

_LIT( KRelativeMifPath, "\\resource\\apps\\widgetmanager.mif" );

_LIT( KRelativeResourcePathWithWildcard, "\\resource\\widgetmanagerview.r*" );

_LIT( KRelativeResourcePath, "\\resource\\widgetmanagerview.rsc" );

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

// CWmResourceLoader::NewL

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

//

CWmResourceLoader* CWmResourceLoader::NewL(

        CEikonEnv& aEnv )

    {

    CWmResourceLoader* self = new (ELeave) CWmResourceLoader( aEnv );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CWmResourceLoader::CWmResourceLoader

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

//

CWmResourceLoader::CWmResourceLoader( CEikonEnv& aEnv )

    : iEnv( aEnv )

    {

    }

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

// CWmResourceLoader::~CWmResourceLoader

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

//

CWmResourceLoader::~CWmResourceLoader()

    {

    UnloadResources();

    delete iNote;

    delete iDescription;

    }

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

// CWmResourceLoader::ConstructL

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

//

void CWmResourceLoader::ConstructL()

    {

    Dll::FileName( iDllName );

    LoadResourcesL();

    DetermineIconFilePath();

    iDescription = StringLoader::LoadL( 

            R_QTN_WM_DETAILS_NO_DESCRIPTION, &iEnv  );

    }

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

// CWmResourceLoader::LoadResourcesL

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

//

void CWmResourceLoader::LoadResourcesL()

    {    

    TFileName resourceFile;

    RFs& fs = iEnv.FsSession();

    TPtrC dllDrive = iDllName.Left(2); 

    resourceFile.Copy( dllDrive );

    resourceFile.Append( KRelativeResourcePathWithWildcard );

    BaflUtils::NearestLanguageFile( fs, resourceFile );

    if ( !BaflUtils::FileExists( fs, resourceFile ) )

        {

        resourceFile.Copy( dllDrive );

        resourceFile.Append( KRelativeResourcePath );

        BaflUtils::NearestLanguageFile( fs, resourceFile );

        if ( !BaflUtils::FileExists( fs, resourceFile ) &&

            dllDrive != KZdrive() )

            {

            // try to load resource from ROM ( partial upgrade case )

            resourceFile.Copy( KZdrive );

            resourceFile.Append( KRelativeResourcePathWithWildcard );

            BaflUtils::NearestLanguageFile( fs, resourceFile );

            if ( !BaflUtils::FileExists( fs, resourceFile ) )

                {

                resourceFile.Copy( KZdrive );

                resourceFile.Append( KRelativeResourcePath );

                BaflUtils::NearestLanguageFile( fs, resourceFile );

                }

            }

        }

    iResourceFileOffset = iEnv.AddResourceFileL( resourceFile );

    }

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

// CWmResourceLoader::UnloadResources

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

//

void CWmResourceLoader::UnloadResources()

    {

    if ( iResourceFileOffset )

        {

        iEnv.DeleteResourceFile( iResourceFileOffset );        

        }

    }

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

// CWmResourceLoader::DetermineIconFilePath

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

//

void CWmResourceLoader::DetermineIconFilePath()

    {

    RFs& fs = iEnv.FsSession();

    iMifFile.Copy( iDllName.Left(2) );

    iMifFile.Append( KRelativeMifPath );

    if ( !BaflUtils::FileExists( fs, iMifFile ) )

        {

        // Load from ROM ( partial upgrade case )

        iMifFile.Copy( KZdrive );

        iMifFile.Append( KRelativeMifPath );        

        }

    }

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

// CWmResourceLoader::IconFilePath

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

//

const TDesC& CWmResourceLoader::IconFilePath()

    {

    return iMifFile;

    }

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

// CWmResourceLoader::LoadButtonL

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

void CWmResourceLoader::LoadButtonL(

        CAknButton& aResource,

        TInt aResourceId )

    {

    TResourceReader reader;

    iEnv.CreateResourceReaderLC( reader, aResourceId );

    aResource.ConstructFromResourceL( reader );

    CleanupStack::PopAndDestroy(); // reader

    }

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

// LoadStringLC

// loads a string from resource. If an additional string is

// given (the length is greater than zero) uses a different

// StringLoader method to load.

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

//

HBufC* LoadStringLC( TInt aResourceId, const TDesC& aString, CEikonEnv* aEnv )

    {

    if ( aString.Length() > 0 )

        return StringLoader::LoadLC( aResourceId, aString, aEnv );

    else

        return StringLoader::LoadLC( aResourceId, aEnv );

    }

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

// CWmResourceLoader::InfoPopupL

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

//

void CWmResourceLoader::InfoPopupL( TInt aResourceId, const TDesC& aString )

    {

    HBufC* infoMsg = LoadStringLC( aResourceId, aString, &iEnv );

    iNote = new (ELeave) CAknInformationNote( &iNote );

    iNote->SetTimeout( CAknNoteDialog::ELongTimeout );

    iNote->ExecuteLD( *infoMsg );

    CleanupStack::PopAndDestroy( infoMsg );

    }

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

// CWmResourceLoader::ErrorPopup

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

//

void CWmResourceLoader::ErrorPopup( TInt aErrorCode )

    {

    iEnv.HandleError( aErrorCode );

    }

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

// CWmResourceLoader::NoDescriptionText

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

//

const TDesC& CWmResourceLoader::NoDescriptionText()

    {

    return *iDescription;

    }

// end of file