/*

* 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 CMMAFramePositioningControl

*

*/

#include <jutils.h>

#include "com_nokia_microedition_media_control_FramePositioningControl.h"

#include "cmmaeventsource.h"

#include "cmmaframepositioningcontrol.h"

#include <jdebug.h>

/**

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

 * Type of of the function pointer must be

 * TInt CMMAFramePositioningControl::aFunc( TInt )

 *

 * @param aFramePositioningControl CMMAFramePositioningControl pointer.

 * @param aFuncL Pointer to the CMMAFramePositioningControl method.

 * @param aParam Parameter value for aFuncL method.

 * @param aReturnValue The return value of the aFunc will

 *                     be assigned to this parameter.

 */

LOCAL_C void ReturnIntFuncIntL(CMMAFramePositioningControl* aFramePositioningControl,

                               TInt(CMMAFramePositioningControl::*aFuncL)(TInt aParam),

                               TInt aParam,

                               TInt* aReturnValue)

{

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

    *aReturnValue = (aFramePositioningControl->*aFuncL)(aParam);

}

//

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

// com_nokia_microedition_media_control_FramePositioningControl

//

/**

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

 */

JNIEXPORT jint JNICALL

Java_com_nokia_microedition_media_control_FramePositioningControl__1seek

(JNIEnv*,

 jobject,

 jint aControlHandle,

 jint aEventSourceHandle,

 jint aFrameNumber)

{

    DEBUG("FramePositioningControl__1seek");

    // Get pointer to native event source.

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAFramePositioningControl* FramePositioningControl =

        JavaUnhand< CMMAFramePositioningControl >(aControlHandle);

    // Will leave on error. Otherwise returnValue contains frame number

    // to which the implementation has seeked.

    TInt returnValue = 0;

    TInt error = eventSource->ExecuteTrap(&ReturnIntFuncIntL,

                                          FramePositioningControl,

                                          &CMMAFramePositioningControl::SeekL,

                                          aFrameNumber,

                                          &returnValue);

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

}

/**

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

 */

JNIEXPORT jintArray JNICALL

Java_com_nokia_microedition_media_control_FramePositioningControl__1skip

(JNIEnv* aJniEnv,

 jobject,

 jint aControlHandle,

 jint aEventSourceHandle,

 jintArray aValues)

{

    DEBUG("FramePositioningControl__1skip");

    // Get pointer to native event source.

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAFramePositioningControl* FramePositioningControl =

        JavaUnhand< CMMAFramePositioningControl >(aControlHandle);

    TInt value[ 2 ];

    aJniEnv->GetIntArrayRegion(aValues, 0, 2, &value[ 0 ]);

    // Will leave on error. Otherwise returnValue contains number of frames

    // skipped.

    value[ 1 ] = eventSource->ExecuteTrap(&ReturnIntFuncIntL,

                                          FramePositioningControl,

                                          &CMMAFramePositioningControl::SkipL,

                                          value[ 0 ],

                                          &value[ 0 ]);

    if (aValues)

    {

        aJniEnv->SetIntArrayRegion(aValues, 0, 2, &value[ 0 ]);

    }

    return aValues;

}

/**

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

 * Type of of the function pointer must be

 * void CMMAFramePositioningControl::aFunc( TInt, TInt64* )

 *

 * @param aFramePositioningControl CMMAFramePositioningControl pointer.

 * @param aFuncL Pointer to the CMMAFramePositioningControl method.

 * @param aParam Parameter value for aFuncL

 * @param aReturnValue The return value of the aFunc will

 *                     be assigned to this parameter.

 */

LOCAL_C void VoidFuncInt64L(CMMAFramePositioningControl* aFramePositioningControl,

                            void (CMMAFramePositioningControl::*aFuncL)(

                                TInt aParam,

                                TInt64* aReturnValue),

                            TInt aParam,

                            TInt64* aReturnValue)

{

    // call void CMMAFramePositioningControl::aFunc( TInt, TInt64 ) method.

    (aFramePositioningControl->*aFuncL)(aParam, aReturnValue);

}

/**

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

 */

JNIEXPORT jlong JNICALL

Java_com_nokia_microedition_media_control_FramePositioningControl__1mapFrameToTime

(JNIEnv*,

 jobject,

 jint aControlHandle,

 jint aEventSourceHandle,

 jint aFrameNumber)

{

    DEBUG("FramePositioningControl__1mapFrameToTime");

    // Get pointer to native event source.

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAFramePositioningControl* FramePositioningControl =

        JavaUnhand< CMMAFramePositioningControl >(aControlHandle);

    // Will leave on error. Media time of frame in question.

    TInt64 returnValue(0);

    TInt error = eventSource->ExecuteTrap(&VoidFuncInt64L,

                                          FramePositioningControl,

                                          &CMMAFramePositioningControl::MapFrameToTimeL,

                                          aFrameNumber,

                                          &returnValue);

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

}

/**

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

 * Type of of the function pointer must be

 * TInt CMMAFramePositioningControl::aFunc( TInt64* )

 *

 * @param aFramePositioningControl CMMAFramePositioningControl pointer.

 * @param aFuncL Pointer to the CMMAFramePositioningControl method.

 * @param aParam Parameter value for aFuncL method.

 * @param aReturnValue The return value of the aFunc will

 *                     be assigned to this parameter.

 */

LOCAL_C void ReturnIntFuncInt64L(CMMAFramePositioningControl* aFramePositioningControl,

                                 TInt(CMMAFramePositioningControl::*aFuncL)(TInt64* aParam),

                                 TInt64* aParam,

                                 TInt* aReturnValue)

{

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

    *aReturnValue = (aFramePositioningControl->*aFuncL)(aParam);

}

/**

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

 */

JNIEXPORT jint JNICALL

Java_com_nokia_microedition_media_control_FramePositioningControl__1mapTimeToFrame

(JNIEnv*,

 jobject,

 jint aControlHandle,

 jint aEventSourceHandle,

 jlong aMediaTime)

{

    DEBUG("FramePositioningControl__1mapFrameToTime");

    // Get pointer to native event source.

    CMMAEventSource* eventSource =

        JavaUnhand< CMMAEventSource >(aEventSourceHandle);

    CMMAFramePositioningControl* FramePositioningControl =

        JavaUnhand< CMMAFramePositioningControl >(aControlHandle);

    // Will leave on error. Media time of frame in question.

    TInt returnValue = 0;

    TInt error = eventSource->ExecuteTrap(&ReturnIntFuncInt64L,

                                          FramePositioningControl,

                                          &CMMAFramePositioningControl::MapTimeToFrameL,

                                          &aMediaTime,

                                          &returnValue);

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

}

//  END OF FILE