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:  The JNI code for Java Installer class FileWriter.

    15 *

    16 */

    17 

    18 #include "com_nokia_mj_impl_installer_utils_PropertyProvider.h"

    19 #include "logger.h"

    20 #include "propertylistener.h"

    21 

    22 // NAMESPACE DECLARATION

    23 using namespace java::installer;

    24 using namespace java::util;

    25 

    26 /*

    27  * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider

    28  * Method:    _subscribe

    29  * Signature: (II)I

    30  */

    31 JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1subscribe

    32 (JNIEnv */*aEnv*/, jclass, jint aCategory, jint aKey)

    33 {

    34     TUid uid = TUid::Uid(aCategory);

    35     TUint key = (TUint)aKey;

    36     // Construct PropertyListener.

    37     CPropertyListener* propertyListener = 0;

    38     TRAPD(err, propertyListener = CPropertyListener::NewL(uid, key));

    39     if (KErrNone != err)

    40     {

    41         ELOG3(EJavaInstaller,

    42               "PropertyProvider__1subscribe: creating property listener "

    43               "failed, uid: 0x%x, key: 0x%x, err=%d", uid.iUid, key, err);

    44         return err;

    45     }

    46 

    47     // Return handle to session. Utilize the fact that in Symbian

    48     // all pointer addresses are MOD 4 so the last 2 bits are 0

    49     // and can be shifted out. This way the returned handle is

    50     // always positive whereas Symbian error codes are always negative.

    51     return reinterpret_cast<TUint>(propertyListener)>>2;

    52 }

    53 

    54 /*

    55  * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider

    56  * Method:    _processEvents

    57  * Signature: (ILcom/nokia/mj/impl/installer/utils/PropertyProvider;)I

    58  */

    59 JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1processEvents

    60   (JNIEnv *aEnv, jclass, jint aHandle, jobject aProvider)

    61 {

    62     CPropertyListener* propertyListener =

    63         reinterpret_cast<CPropertyListener*>(aHandle<<2);

    64     // Start propertyListener for event sending.

    65     TRAPD(err, propertyListener->ProcessEventsL(aEnv, aProvider));

    66     if (KErrNone != err)

    67     {

    68         ELOG1(EJavaInstaller,

    69               "PropertyProvider__1processEvents: initializing "

    70               "propertyListener failed, err=%d", err);

    71     }

    72     return err;

    73 }

    74 

    75 /*

    76  * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider

    77  * Method:    _unsubscribe

    78  * Signature: (I)I

    79  */

    80 JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1unsubscribe

    81   (JNIEnv *, jclass, jint aHandle)

    82 {

    83     CPropertyListener* propertyListener =

    84         reinterpret_cast<CPropertyListener*>(aHandle<<2);

    85 

    86     // Delete PropertyListener.

    87     delete propertyListener;

    88     propertyListener = 0;

    89 

    90     return KErrNone;

    91 }