javauis/mmapi_akn/baseline/src/framepositioningcontrol.cpp
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/framepositioningcontrol.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,224 @@
+/*
+* 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