1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

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

    15  *                (database that contains info on all applications installed

    16  *                 to the device)

    17  *                It tells AppArc whether Java application installed

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

    19  *

    20 */

    21 

    22 

    23 #include <e32std.h>

    24 #include <implementationproxy.h>

    25 #include <appversion.h>

    26 

    27 #include "javauids.h"

    28 #include "javasidchecker.h"

    29 #include "logger.h"

    30 

    31 

    32 // DLL Entry point

    33 TBool E32Dll()

    34 {

    35     return ETrue;

    36 }

    37 

    38 // ECOM Implementation Table

    39 const TImplementationProxy ImplementationTable[] =

    40 {

    41     IMPLEMENTATION_PROXY_ENTRY(KSidCheckerEcomImplUid, CJavaSidChecker::NewL)

    42 };

    43 

    44 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

    45 {

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

    47     return ImplementationTable;

    48 }

    49 

    50 

    51 CJavaSidChecker* CJavaSidChecker::NewL()

    52 {

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

    54     return new(ELeave) CJavaSidChecker;

    55 }

    56 

    57 CJavaSidChecker::CJavaSidChecker()

    58 {

    59     iJavaRegistry = NULL;

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

    61 }

    62 

    63 CJavaSidChecker::~CJavaSidChecker()

    64 {

    65     if (NULL != iJavaRegistry)

    66     {

    67         delete iJavaRegistry;

    68         iJavaRegistry = NULL;

    69     }

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

    71 }

    72 

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

    74 {

    75     TBool installed = EFalse;

    76 

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

    78 

    79     // No Java application can have Uid 0

    80     if (aSid.iUid == 0)

    81     {

    82         return installed;

    83     }

    84 

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

    86     if (KErrNone != err)

    87     {

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

    89     }

    90 

    91     return installed;

    92 }

    93 

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

    95 {

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

    97     if (NULL == iJavaRegistry)

    98     {

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

   100     }

   101 

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

   103     return iJavaRegistry->RegistryEntryExistsL(aSid);

   104 }

   105 

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

   107 {

   108     // Do nothing

   109     return;

   110 }