diff -r 2a9601315dfc -r 98ccebc37403 javauis/mmapi_qt/baseline/src/ratecontrol.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/javauis/mmapi_qt/baseline/src/ratecontrol.cpp Fri May 14 15:47:24 2010 +0300 @@ -0,0 +1,202 @@ +/* +* 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 CMMARateControl +* +*/ + +//#include +//#include "mmapiutils.h" + +#include "com_nokia_microedition_media_control_RateControl.h" +#include "mmafunctionserver.h" +#include "cmmaratecontrol.h" +#include + +// +// 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 CMMARateControl class methods. + * Type of of the function pointer must be + * TInt CMMARateControl::aFunc( TInt aData ) + * + * @param aRateControl CMMARateControl pointer. + * @param aFunc Pointer to the CMMARateControl 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(CMMARateControl* aRateControl, + TInt(CMMARateControl::*aFuncL)(TInt), + TInt aData, + TInt* aReturnValue) +{ + // call TInt CMMARateControl::aFunc( TInt aData ) method. + *aReturnValue = (aRateControl->*aFuncL)(aData); +} + +/** + * Local function which can be used to call CMMARateControl class methods. + * Type of of the function pointer must be + * TInt CMMARateControl::aFunc() + * + * @param aRateControl CMMARateControl pointer. + * @param aFunc Pointer to the CMMARateControl method. + * @param aReturnValue The return value of the aFunc will + * be assigned to this parameter. + */ +LOCAL_C void ReturnIntFuncL(CMMARateControl* aRateControl, + TInt(CMMARateControl::*aFuncL)(), + TInt* aReturnValue) +{ + // call TInt CMMARateControl::aFunc() method. + *aReturnValue = (aRateControl->*aFuncL)(); +} + +// +// JNI functions. Prototypes are generated and commented in Java class +// com_nokia_microedition_media_control_RateControl +// + +/** + * JNI function from com.nokia.microedition.media.control.RateControl + */ +JNIEXPORT jint JNICALL +Java_com_nokia_microedition_media_control_RateControl__1getMinRate +(JNIEnv*, + jobject, + jint aControlHandle, + jint aEventSourceHandle) +{ + // Get pointer to native event source. + MMAFunctionServer* eventSource = + reinterpret_cast< MMAFunctionServer *>(aEventSourceHandle); + + CMMARateControl* RateControl = + reinterpret_cast< CMMARateControl *>(aControlHandle); + + TInt returnValue = 0; + + // Get value or the default. + TInt error; + error = eventSource->ExecuteTrap(&ReturnIntFuncL, + RateControl, + &CMMARateControl::MinRateL, + &returnValue); + + LOG1( EJavaMMAPI, EInfo, "RateControl__1getMinRate return value %d", returnValue); + + return (error == KErrNone) ? returnValue : error; +} + +/** + * JNI function from com.nokia.microedition.media.control.RateControl + */ +JNIEXPORT jint JNICALL +Java_com_nokia_microedition_media_control_RateControl__1getRate +(JNIEnv*, + jobject, + jint aControlHandle, + jint aEventSourceHandle) +{ + // Get pointer to native event source. + MMAFunctionServer* eventSource = + reinterpret_cast< MMAFunctionServer *>(aEventSourceHandle); + + CMMARateControl* RateControl = + reinterpret_cast< CMMARateControl *>(aControlHandle); + + + TInt returnValue = 0; + + // Get actual rate or the default value to the returnValue. + TInt error; + error = eventSource->ExecuteTrap(&ReturnIntFuncL, + RateControl, + &CMMARateControl::RateL, + &returnValue); + + LOG1( EJavaMMAPI, EInfo, "RateControl__1getRate return value %d", returnValue); + + return (error == KErrNone) ? returnValue : error; +} + +/** + * JNI function from com.nokia.microedition.media.control.RateControl + */ +JNIEXPORT jint JNICALL +Java_com_nokia_microedition_media_control_RateControl__1setRate +(JNIEnv*, + jobject, + jint aControlHandle, + jint aEventSourceHandle, + jint aRate) +{ + // Get pointer to native event source. + MMAFunctionServer* eventSource = + reinterpret_cast< MMAFunctionServer *>(aEventSourceHandle); + + CMMARateControl* RateControl = + reinterpret_cast< CMMARateControl *>(aControlHandle); + + // Return value will be actual rate set or default value if rate is not + // available. + TInt returnValue = 0; + + TInt error; + error = eventSource->ExecuteTrap(&ReturnIntParamIntFuncL, + RateControl, + &CMMARateControl::SetRateL, + aRate, + &returnValue); + + LOG1( EJavaMMAPI, EInfo, "RateControl__1setRate return value %d", returnValue); + + return (error == KErrNone) ? returnValue : error; +} + +/** + * JNI function from com.nokia.microedition.media.control.RateControl + */ +JNIEXPORT jint JNICALL +Java_com_nokia_microedition_media_control_RateControl__1getMaxRate +(JNIEnv*, + jobject, + jint aControlHandle, + jint aEventSourceHandle) +{ + // Get pointer to native event source. + MMAFunctionServer* eventSource = + reinterpret_cast< MMAFunctionServer *>(aEventSourceHandle); + + CMMARateControl* RateControl = + reinterpret_cast< CMMARateControl *>(aControlHandle); + + TInt returnValue = 0; + TInt error; + + error = eventSource->ExecuteTrap(&ReturnIntFuncL, + RateControl, + &CMMARateControl::MaxRateL, + &returnValue); + LOG1( EJavaMMAPI, EInfo, "RateControl__1getMaxRate return value %d", returnValue); + + return (error == KErrNone) ? returnValue : error; +} + +// END OF FILE