1 /*

     2 * Copyright (c) 2010 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:

    15 *

    16 */

    17 

    18 #include <e32base.h>

    19 #include <centralrepository.h>

    20 

    21 #include "coreinterface.h"

    22 #include "eventconsumerinterface.h"

    23 

    24 #include "logger.h"

    25 #include "cenreplistener.h"

    26 #include "settingschangeeventsprovidermessages.h"

    27 

    28 namespace java

    29 {

    30 namespace captain

    31 {

    32 

    33 // General listener used as a base value indicating that whole repository is being

    34 // listened instead of individual key.

    35 CenRepListener::CenRepListener() : mKeyType(CenRepListener::GENERAL_LISTENER)

    36 {

    37 }

    38 

    39 CenRepListener::~CenRepListener()

    40 {

    41     close();

    42 }

    43 

    44 void CenRepListener::close()

    45 {

    46     if (mNotifyHandler)

    47     {

    48         mNotifyHandler->StopListening();

    49         delete mNotifyHandler;

    50         mNotifyHandler = 0;

    51     }

    52     if (mCenRepSession)

    53     {

    54         delete mCenRepSession;

    55         mCenRepSession = 0;

    56     }

    57 }

    58 

    59 CenRepListener* CenRepListener::NewL(CoreInterface* aCore, TUid aRepoId, TUint32 aKeyId,

    60                                      CCenRepNotifyHandler::TCenRepKeyType aKeyType)

    61 {

    62     CenRepListener* crListener = new(ELeave)  CenRepListener();

    63     CleanupStack::PushL(crListener);

    64     crListener->ConstructL(aCore, aRepoId, aKeyId, aKeyType);

    65     CleanupStack::Pop(crListener);

    66     return (crListener);

    67 }

    68 

    69 void CenRepListener::ConstructL(CoreInterface* aCore, TUid aRepoId, TUint32 aKeyId,

    70                                 CCenRepNotifyHandler::TCenRepKeyType aKeyType)

    71 {

    72     mCore = aCore;

    73     mRepoId = aRepoId;

    74     mKeyType = aKeyType;

    75     mCenRepSession = CRepository::NewL(mRepoId);

    76     mNotifyHandler = CCenRepNotifyHandler::NewL(*this, *mCenRepSession,

    77                      aKeyType, aKeyId);

    78     mNotifyHandler->StartListeningL();

    79 }

    80 

    81 void CenRepListener::HandleNotifyString(TUint32 aKeyId, const TDesC16& /*aNewValue*/)

    82 {

    83     if (KCRUidJavaRuntime == mRepoId && KJavaRuntimeMIDPClasspath == aKeyId)

    84     {

    85         ILOG(EJavaCaptain, "CenRepListener::HandleNotifyString: change notified "

    86              "in key KJavaRuntimeMIDPClasspath");

    87         dispatchEvent(SETTINGS_CHANGE_EVENT_PROVIDER,

    88                       MIDP_CLASS_PATH_CHANGE);

    89     }

    90     else

    91     {

    92         WLOG1(EJavaCaptain, "Change in Unrecognised cenrep string key noticed! "

    93               "CR Key= %0x", aKeyId);

    94     }

    95 }

    96 

    97 void CenRepListener::HandleNotifyError(TUint32 aKeyId, TInt aError, CCenRepNotifyHandler* /* aHandler */)

    98 {

    99     ELOG2(EJavaCaptain, "Error (code: %d) occured when listening changes on "

   100           "Cenrep key (Key ID: %0x). Listening stopped!", aError, aKeyId);

   101     close();

   102 }

   103 

   104 void CenRepListener::dispatchEvent(const std::string& aEvent,

   105                                    const SettingsChangeEventType_t& aType) const

   106 {

   107     ILOG2(EJavaCaptain, "CenRepListener::dispatchEvent: dispatching event=%s "

   108           "type=%d", aEvent.c_str(), aType);

   109     CommsMessage eventMsg;

   110     setSettingsChangeEventMessageParams(eventMsg, aType);

   111     mCore->getEventDispatcher()->event(aEvent, eventMsg);

   112 }

   113 

   114 } // namespace captain

   115 } // namespace java

   116