/*

* 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 CMMATempoControl

*

*/

#include <jutils.h>

#include "com_nokia_microedition_media_control_TempoControl.h"

#include "cmmaeventsource.h"

#include "cmmamiditempocontrol.h"

#include <jdebug.h>

//

// Wrapper functions which are needed in event source execution.

// If method to be called can leave ExecuteTrap must be used,

// otherwise Execute and ExecuteV can be used.

//

//

/**

 * Local function which can be used to call CMMATempoControl class methods.

 * Type of of the function pointer must be

 * TInt CMMATempoControl::aFunc( TInt aData )

 *

 * @param aTempoControl CMMATempoControl pointer.

 * @param aFunc Pointer to the CMMATempoControl method.

 * @param aData Parameter to passed to the aFunc method

 * @param aReturnValue The return value of the aFunc will

 *                     be assigned to this parameter.

 */

LOCAL_C void ReturnIntParamIntFuncL(CMMAMIDITempoControl* aTempoControl,

                                    TInt(CMMAMIDITempoControl::*aFuncL)(TInt),

                                    TInt aData,

                                    TInt* aReturnValue)

{

    // call TInt CMMATempoControl::aFunc( TInt aData ) method.

    *aReturnValue = (aTempoControl->*aFuncL)(aData);

}

/**

 * Local function which can be used to call CMMATempoControl class methods.

 * Type of of the function pointer must be

 * TInt CMMATempoControl::aFunc()

 *

 * @param aTempoControl CMMATempoControl pointer.

 * @param aFunc Pointer to the CMMATempoControl method.

 * @param aReturnValue The return value of the aFunc will

 *                     be assigned to this parameter.

 */

LOCAL_C void ReturnIntFuncL(CMMAMIDITempoControl* aTempoControl,

                            TInt(CMMAMIDITempoControl::*aFuncL)(),

                            TInt* aReturnValue)

{

    // call TInt CMMATempoControl::aFunc() method.

    *aReturnValue = (aTempoControl->*aFuncL)();

}

//

// JNI functions. Prototypes are generated and commented in Java class

// com_nokia_microedition_media_control_TempoControl

//

/**

 * JNI function from com.nokia.microedition.media.control.TempoControl

 */

JNIEXPORT jint JNICALL

Java_com_nokia_microedition_media_control_TempoControl__1setTempo

(JNIEnv*,

 jobject,

 jint aControlHandle,

 jint aEventSourceHandle,

 jint aTempo)  // parameter boundary is checked in Java side.

{

    // Get pointer to native event source.

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAMIDITempoControl* tempoControl =

        JavaUnhand< CMMAMIDITempoControl >(aControlHandle);

    // Value returned from SetTempo method will be assigned to returnValue.

    TInt returnValue = 0;

    // Setting tempo will not leave, it just assigns default

    // value to the returnValue variable.

    TInt error;

    error = eventSource->ExecuteTrap(&ReturnIntParamIntFuncL,

                                     tempoControl,

                                     &CMMAMIDITempoControl::SetTempoL,

                                     aTempo,

                                     &returnValue);

    DEBUG_INT("TempoControl__1setTempo return value %d", returnValue);

    return (error == KErrNone) ? returnValue : error;

}

/**

 * JNI function from com.nokia.microedition.media.control.TempoControl

 */

JNIEXPORT jint JNICALL

Java_com_nokia_microedition_media_control_TempoControl__1getTempo

(JNIEnv*,

 jobject,

 jint aControlHandle,

 jint aEventSourceHandle)

{

    // Get pointer to native event source.

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAMIDITempoControl* tempoControl =

        JavaUnhand< CMMAMIDITempoControl >(aControlHandle);

    TInt returnValue = 0;

    TInt error;

    error = eventSource->ExecuteTrap(&ReturnIntFuncL,

                                     tempoControl,

                                     &CMMAMIDITempoControl::TempoL,

                                     &returnValue);

    DEBUG_INT("TempoControl__1getTempo return value %d", returnValue);

    return (error == KErrNone) ? returnValue : error;

}

//  END OF FILE