/*

* Copyright (c) 2002 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:  This class has JNI wrappers for CMMAMetaDataControl

*

*/

#include <jdebug.h>

#include "com_nokia_microedition_media_control_MetaDataControl.h"

#include "cmmaeventsource.h"

#include "cmmametadatacontrol.h"

/* ...getKeyCount

 *

 * Returns the number of metadata keys or symbian error code

 */

JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_control_MetaDataControl__1getKeysCount

(JNIEnv* /*aJniEnv*/, jobject, jint aEventSourceHandle, jint aMetaDataControlHandle)

{

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAMetaDataControl* metaDataControl =

        JavaUnhand< CMMAMetaDataControl >(aMetaDataControlHandle);

    TInt keys;

    TInt err = eventSource->ExecuteTrap(&CMMAMetaDataControl::StaticKeysCountL, metaDataControl, &keys);

    return err == KErrNone ? keys : err;

}

/* ... getKey

 *

 * Get the key name at the given index from the actual native implementation. If no key is available,

 * return null.

 *

 * The ownership of the native data is received from the actual native implementation.

 * The data is duplicated to the Java side and the native data is destroyed here.

 */

JNIEXPORT jstring JNICALL Java_com_nokia_microedition_media_control_MetaDataControl__1getKey

(JNIEnv* aJniEnv, jobject, jint aEventSourceHandle, jint aMetaDataControlHandle, jint aIndex)

{

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAMetaDataControl* metaDataControl =

        JavaUnhand< CMMAMetaDataControl >(aMetaDataControlHandle);

    HBufC* key = NULL;

    jstring javaStr = NULL;

    TInt err = eventSource->ExecuteTrap(&CMMAMetaDataControl::StaticKeyL, metaDataControl, &key, aIndex);

    if (err == KErrNone)

    {

        javaStr = CreateJavaString(*aJniEnv, key->Des());

    }

    delete key;

    return javaStr;

}

/* ...getKeyValue

 *

 * Get the value of the given key from the actual native implementation. If no key is available,

 * return null (as specified in the MetaDataControl interface).

 *

 * The ownership of the native data is received from the actual native implementation.

 * The data is duplicated to the Java side and the native data is destroyed here.

 */

JNIEXPORT jstring JNICALL Java_com_nokia_microedition_media_control_MetaDataControl__1getKeyValue

(JNIEnv* aJniEnv, jobject, jint aEventSourceHandle, jint aMetaDataControlHandle, jstring aKey)

{

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAMetaDataControl* metaDataControl =

        JavaUnhand< CMMAMetaDataControl >(aMetaDataControlHandle);

    HBufC* value = NULL;

    RJString key(*aJniEnv, aKey);

    TInt retVal = eventSource->ExecuteTrap(

                      &CMMAMetaDataControl::StaticKeyValueL,

                      metaDataControl,

                      &value,

                      (TDesC*) &key);

    jstring retString = NULL;

    if (KErrNone == retVal)

    {

        retString = CreateJavaString(*aJniEnv, *value);

    }

    delete value;

    return retString;

}

//  END OF FILE