--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/midicontrol.cpp Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,301 @@
+/*
+* 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 CMMAMIDIControl
+*
+*/
+
+#include <jutils.h>
+
+#include "com_nokia_microedition_media_control_MIDIControl.h"
+#include "cmmaeventsource.h"
+#include "cmmamidicontrol.h"
+#include <jdebug.h>
+
+/**
+ * Local function which is used to call CMMAMIDIControl class method.
+ * Type of of the function pointer must be
+ * void CMMAMIDIControl::aFunc( TInt, TInt, TInt )
+ *
+ * @param aMIDIControl CMMAMIDIControl pointer.
+ * @param aFunc Pointer to the CMMAMIDIControl method.
+ * @param aParam1 Parameter passed to the aFunc.
+ * @param aParam2 Parameter passed to the aFunc.
+ * @param aParam3 Parameter passed to the aFunc.
+ */
+LOCAL_C void ReturnVoidParam3IntFuncL(
+ CMMAMIDIControl* aMIDIControl,
+ void (CMMAMIDIControl::*aFuncL)(TInt, TInt, TInt),
+ TInt aParam1,
+ TInt aParam2,
+ TInt aParam3)
+{
+ // call TInt CMMAMIDIControl::aFunc( TInt, TInt, TInt ) method.
+ (aMIDIControl->*aFuncL)(aParam1, aParam2, aParam3);
+}
+
+/**
+ * Implements generated JNI function prototype.
+ */
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_MIDIControl__1setProgram
+(
+ JNIEnv*,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle,
+ jint aChannel,
+ jint aBank,
+ jint aProgram)
+{
+ CMMAEventSource* eventSource =
+ JavaUnhand< CMMAEventSource >(aEventSourceHandle);
+
+ CMMAMIDIControl* midiControl =
+ JavaUnhand< CMMAMIDIControl >(aControlHandle);
+
+ TInt error;
+ error = eventSource->ExecuteTrap(&ReturnVoidParam3IntFuncL,
+ midiControl,
+ &CMMAMIDIControl::SetProgramL,
+ aChannel,
+ aBank,
+ aProgram);
+
+ return error;
+}
+
+/**
+ * Local function which is used to call CMMAMIDIControl class method.
+ * Type of of the function pointer must be
+ * TInt CMMAMIDIControl::aFunc( TInt )
+ *
+ * @param aMIDIControl CMMAMIDIControl pointer.
+ * @param aFunc Pointer to the CMMAMIDIControl method.
+ * @param aData Parameter passed to the aFunc.
+ * @param aReturnValue The return value of the aFunc will
+ * be assigned to this parameter.
+ */
+LOCAL_C void ReturnIntParamIntFuncL(
+ CMMAMIDIControl* aMIDIControl,
+ TInt(CMMAMIDIControl::*aFuncL)(TInt aData),
+ TInt aData,
+ TInt* aReturnValue)
+{
+ // call TInt CMMAMIDIControl::aFunc( TDesC* aData ) method.
+ *aReturnValue = (aMIDIControl->*aFuncL)(aData);
+}
+
+/**
+ * Implements generated JNI function prototype.
+ */
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_MIDIControl__1getChannelVolume
+(JNIEnv*,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle,
+ jint aChannel)
+{
+ // Get pointer to native event source.
+ CMMAEventSource* eventSource =
+ JavaUnhand< CMMAEventSource >(aEventSourceHandle);
+
+ CMMAMIDIControl* midiControl =
+ JavaUnhand< CMMAMIDIControl >(aControlHandle);
+
+
+ TInt returnValue = 0;
+ TInt error;
+
+ error = eventSource->ExecuteTrap(&ReturnIntParamIntFuncL,
+ midiControl,
+ &CMMAMIDIControl::ChannelVolumeL,
+ aChannel,
+ &returnValue);
+
+ return (error == KErrNone) ? returnValue : error;
+}
+
+/**
+ * Local function which is used to call CMMAMIDIControl class method.
+ * Type of of the function pointer must be
+ * void CMMAMIDIControl::aFunc( TInt, TInt )
+ *
+ * @param aMIDIControl CMMAMIDIControl pointer.
+ * @param aFunc Pointer to the CMMAMIDIControl method.
+ * @param aParam1 Parameter passed to the aFunc.
+ * @param aParam2 Parameter passed to the aFunc.
+ */
+LOCAL_C void ReturnVoidParamIntIntFuncL(
+ CMMAMIDIControl* aMIDIControl,
+ void (CMMAMIDIControl::*aFuncL)(TInt, TInt),
+ TInt aParam1,
+ TInt aParam2)
+{
+ // call TInt CMMAMIDIControl::aFunc( TInt, TInt ) method.
+ (aMIDIControl->*aFuncL)(aParam1, aParam2);
+}
+
+/**
+ * Implements generated JNI function prototype.
+ */
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_MIDIControl__1setChannelVolume
+(JNIEnv*,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle,
+ jint aChannel,
+ jint aVolume)
+{
+ // Get pointer to native event source.
+ CMMAEventSource* eventSource =
+ JavaUnhand< CMMAEventSource >(aEventSourceHandle);
+
+ CMMAMIDIControl* midiControl =
+ JavaUnhand< CMMAMIDIControl >(aControlHandle);
+
+ TInt error = eventSource->ExecuteTrap(&ReturnVoidParamIntIntFuncL,
+ midiControl,
+ &CMMAMIDIControl::SetChannelVolumeL,
+ aChannel,
+ aVolume);
+
+ return error;
+}
+
+/**
+ * Local function which can be used to call CMMAMIDIControl class methods.
+ * Type of of the function pointer must be
+ * TInt CMMAMIDIControl::aFunc( TDesC* aData )
+ *
+ * @param aMIDIControl CMMAMIDIControl pointer.
+ * @param aFunc Pointer to the CMMAMIDIControl method.
+ * @param aData Parameter passed to the aFunc.
+ * @param aReturnValue The return value of the aFunc will
+ * be assigned to this parameter.
+ */
+LOCAL_C void SendMIDIEventFuncL(
+ CMMAMIDIControl* aMIDIControl,
+ TInt(CMMAMIDIControl::*aFuncL)(const TDesC8* aData),
+ const TDesC8* aData,
+ TInt* aReturnValue)
+{
+ // call TInt CMMAMIDIControl::aFunc( TDesC* aData ) method.
+ *aReturnValue = (aMIDIControl->*aFuncL)(aData);
+}
+
+/**
+ * Implements generated JNI function prototype.
+ */
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_MIDIControl__1sendMidiEvent
+(JNIEnv* aJni,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle,
+ jbyteArray aData,
+ jint aOffset,
+ jint aLength)
+{
+ // Get pointer to native event source.
+ CMMAEventSource* eventSource =
+ JavaUnhand< CMMAEventSource >(aEventSourceHandle);
+
+ CMMAMIDIControl* midiControl =
+ JavaUnhand< CMMAMIDIControl >(aControlHandle);
+
+ // Get pointer to Java data
+ jbyte* data = aJni->GetByteArrayElements(aData, NULL);
+
+ // Assert only in debug builds, array size must be checked in Java.
+ __ASSERT_DEBUG(aJni->GetArrayLength(aData) >= aOffset + aLength &&
+ aOffset >= 0 &&
+ aLength > 0,
+ User::Invariant());
+
+ // Create descriptor from Java data starting from offset
+ jbyte* tempJbyte = &data[ aOffset ];
+ TUint8* tempPtr = (TUint8*) tempJbyte;
+ TPtrC8 dataPtr(tempPtr, aLength);
+
+ TInt returnValue = 0;
+
+ TInt err = eventSource->ExecuteTrap(&SendMIDIEventFuncL,
+ midiControl,
+ &CMMAMIDIControl::SendMIDIEventL,
+ (const TDesC8*)(&dataPtr),
+ &returnValue);
+
+ // Java bytes are not needed anymore
+ aJni->ReleaseByteArrayElements(aData, data, 0);
+
+ if (err != KErrNone)
+ {
+ // return error code to Java
+ returnValue = err;
+ }
+
+ return returnValue;
+}
+
+JNIEXPORT jint JNICALL
+Java_com_nokia_microedition_media_control_MIDIControl__1reInitializeMidi
+(JNIEnv* aJni,
+ jobject,
+ jint aControlHandle,
+ jint aEventSourceHandle,
+ jbyteArray aMidiSequence,
+ jint aOffset,
+ jint aLength)
+{
+ // Get pointer to native event source.
+ CMMAEventSource* eventSource =
+ JavaUnhand< CMMAEventSource >(aEventSourceHandle);
+
+ CMMAMIDIControl* midiControl =
+ JavaUnhand< CMMAMIDIControl >(aControlHandle);
+
+ // Assert only in debug builds, array size must be checked in Java.
+ __ASSERT_DEBUG(aJni->GetArrayLength(aMidiSequence) >= aOffset + aLength &&
+ aOffset >= 0 &&
+ aLength > 0,
+ User::Invariant());
+
+ // Get pointer to Java data
+ jbyte* data = aJni->GetByteArrayElements(aMidiSequence, NULL);
+
+ // Create descriptor from Java data starting from offset
+ jbyte* tempJbyte = &data[ aOffset ];
+ TUint8* tempPtr = (TUint8*) tempJbyte;
+ TPtrC8 dataPtr(tempPtr, aLength);
+
+ // SendMIDIEventFuncL has suitable enough footprint for this call too.
+ // Return value is not used but needs to be there for method footprint.
+
+ TInt returnValue = 0;
+ TInt err = eventSource->ExecuteTrap(&SendMIDIEventFuncL,
+ midiControl,
+ &CMMAMIDIControl::ReInitializeMidiL,
+ (const TDesC8*)(&dataPtr),
+ &returnValue);
+
+ // Release Java bytes
+ aJni->ReleaseByteArrayElements(aMidiSequence, data, 0);
+ return err;
+}
+
+
+
+// END OF FILE