/*

* 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:  Java Sid Checker is an ECOM plugin for Symbian AppArc

 *                (database that contains info on all applications installed

 *                 to the device)

 *                It tells AppArc whether Java application installed

 *                to a removable storage media is present and can be executed.

 *

*/

#include <e32std.h>

#include <appversion.h>

#include "javauids.h"

#include "javasidchecker.h"

#include "logger.h"

// DLL Entry point

TBool E32Dll()

{

    return ETrue;

}

// ECOM Implementation Table

const TImplementationProxy ImplementationTable[] =

{

    IMPLEMENTATION_PROXY_ENTRY(KSidCheckerEcomImplUid, CJavaSidChecker::NewL)

};

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

{

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

    return ImplementationTable;

}

CJavaSidChecker* CJavaSidChecker::NewL()

{

    // Minimal construction (we don't want this to fail)

    return new(ELeave) CJavaSidChecker;

}

CJavaSidChecker::CJavaSidChecker()

{

    iJavaRegistry = NULL;

    LOG(EUtils, EInfo, "CJavaSidChecker: Constructor called");

}

CJavaSidChecker::~CJavaSidChecker()

{

    if (NULL != iJavaRegistry)

    {

        delete iJavaRegistry;

        iJavaRegistry = NULL;

    }

    LOG(EUtils, EInfo, "CJavaSidChecker: Destructor called");

}

TBool CJavaSidChecker::AppRegisteredAt(const TUid& aSid, TDriveUnit aDrive)

{

    TBool installed = EFalse;

    LOG1(EUtils, EInfo, "CJavaSidChecker: AppRegisteredAt called, %x", aSid.iUid);

    // No Java application can have Uid 0

    if (aSid.iUid == 0)

    {

        return installed;

    }

    TRAPD(err, installed = AppRegisteredAtL(aSid, aDrive));

    if (KErrNone != err)

    {

        ELOG1(EUtils, "CJavaSidChecker: AppRegisteredAt error %d", err);

    }

    return installed;

}

TBool CJavaSidChecker::AppRegisteredAtL(const TUid& aSid, TDriveUnit /*aDrive*/)

{

    // Create the Java Registry if it has not been created already

    if (NULL == iJavaRegistry)

    {

        iJavaRegistry = Java::CJavaRegistry::NewL();

    }

    // JavaRegistry does not return entries that are not present.

    return iJavaRegistry->RegistryEntryExistsL(aSid);

}

void CJavaSidChecker::SetRescanCallBackL(const TCallBack &/*aCallBack*/)

{

    // Do nothing

    return;

}