/*

* Copyright (c) 2010 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:  The JNI code for Java Installer class FileWriter.

*

*/

#include "com_nokia_mj_impl_installer_utils_PropertyProvider.h"

#include "logger.h"

#include "propertylistener.h"

// NAMESPACE DECLARATION

using namespace java::installer;

using namespace java::util;

/*

 * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider

 * Method:    _subscribe

 * Signature: (II)I

 */

JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1subscribe

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

{

    TUid uid = TUid::Uid(aCategory);

    TUint key = (TUint)aKey;

    // Construct PropertyListener.

    CPropertyListener* propertyListener = 0;

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

    if (KErrNone != err)

    {

        ELOG3(EJavaInstaller,

              "PropertyProvider__1subscribe: creating property listener "

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

        return err;

    }

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

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

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

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

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

}

/*

 * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider

 * Method:    _processEvents

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

 */

JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1processEvents

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

{

    CPropertyListener* propertyListener =

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

    // Start propertyListener for event sending.

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

    if (KErrNone != err)

    {

        ELOG1(EJavaInstaller,

              "PropertyProvider__1processEvents: initializing "

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

    }

    return err;

}

/*

 * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider

 * Method:    _unsubscribe

 * Signature: (I)I

 */

JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1unsubscribe

  (JNIEnv *, jclass, jint aHandle)

{

    CPropertyListener* propertyListener =

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

    // Delete PropertyListener.

    delete propertyListener;

    propertyListener = 0;

    return KErrNone;

}