diff -r 80975da52420 -r 43d09473c595 khronosfws/openmax_al/src/common/xanokialinearvolumeitf.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/khronosfws/openmax_al/src/common/xanokialinearvolumeitf.c	Fri May 14 16:22:35 2010 +0300
@@ -0,0 +1,296 @@
+/*
+* Copyright (c) 2009 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: 
+*
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#include "xanlinearvolumeitf.h"
+#include "xanokialinearvolumeitfadaptationmmf.h"
+
+/**
+ * XANokiaLinearVolumeItfImpl* GetImpl(XANokiaLinearVolumeItf self)
+ * Description: Validated interface pointer and cast it to implementations pointer.
+ **/
+static XANokiaLinearVolumeItfImpl* GetImpl(XANokiaLinearVolumeItf self)
+{
+    if(self)
+    {
+        XANokiaLinearVolumeItfImpl* impl = (XANokiaLinearVolumeItfImpl*)(*self);
+        if(impl && impl == impl->self)
+        {
+            return impl;
+        }
+    }
+    return NULL;
+}
+
+/**
+ * XAresult XANokiaLinearVolumeItfImpl_RegisterVolumeCallback(XANokiaLinearVolumeItf self,
+ *                                               xaNokiaLinearVolumeCallback callback,
+ *                                               void * pContext)
+ * Description: Sets or clears the xaVolumeCallback.
+ **/
+XAresult XANokiaLinearVolumeItfImpl_RegisterVolumeCallback(XANokiaLinearVolumeItf self,
+                                              xaNokiaLinearVolumeCallback callback,
+                                              void * pContext)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    XANokiaLinearVolumeItfImpl* impl = GetImpl(self);
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_RegisterVolumeCallback");
+
+    if(!impl)
+    {
+        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
+        /* invalid parameter */
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_RegisterVolumeCallback");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    impl->callback = callback;
+    impl->context = pContext;
+    impl->cbPtrToSelf = self;
+
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_RegisterVolumeCallback");
+    return ret;
+}
+
+/**
+ * Base interface XANokiaLinearVolumeItf implementation
+ */
+
+/**
+ * XAresult XANokiaLinearVolumeItfImpl_SetVolumeLevel(XANokiaLinearVolumeItf self, XAuint32 percentage)
+ * Description: Sets the object's volume level.
+ **/
+XAresult XANokiaLinearVolumeItfImpl_SetVolumeLevel(XANokiaLinearVolumeItf self, XAuint32 *percentage)
+{
+    XANokiaLinearVolumeItfImpl *impl = GetImpl(self);
+    XAresult ret = XA_RESULT_SUCCESS;     
+    XAuint32 vol = *percentage;
+    
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_SetVolumeLevel");
+
+  
+    if((!impl) || (vol > MAX_PERCENTAGE_VOLUME))
+    {
+        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_SetVolumeLevel");
+        /* invalid parameter */
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    ret = XAAdaptationBase_ThreadEntry(impl->adapCtx);
+    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )
+    {
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_SetVolumeLevel");
+        return ret;
+    }
+    if(impl->adapCtx->fwtype == FWMgrFWMMF)
+        {
+        ret = XANokiaLinearVolumeItfAdapt_SetVolumeLevel((XAAdaptationMMFCtx*)impl->adapCtx,  vol);
+        }
+
+    if(ret == XA_RESULT_SUCCESS)
+    {
+        impl->volumeLevel = vol;
+    }
+
+    XAAdaptationBase_ThreadExit(impl->adapCtx);
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_SetVolumeLevel");
+    return ret ;
+}
+
+/**
+ * XAresult XANokiaLinearVolumeItfImpl_GetVolumeLevel(XANokiaLinearVolumeItf self, XAmillibel *pLevel)
+ * Description: Gets the object’s volume level.
+ **/
+XAresult XANokiaLinearVolumeItfImpl_GetVolumeLevel(XANokiaLinearVolumeItf self, XAuint32 *percentage)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    XANokiaLinearVolumeItfImpl *impl = GetImpl(self);
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_GetVolumeLevel");
+
+    if(!impl || !percentage)
+    {
+        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetVolumeLevel");
+        /* invalid parameter */
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    *percentage = impl->volumeLevel;
+
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetVolumeLevel");
+    return ret;
+}
+
+/**
+ * XAresult XANokiaLinearVolumeItfImpl_GetMaxVolumeLevel(XANokiaLinearVolumeItf  self, XAmillibel *pMaxLevel)
+ * Description: Gets the maximum supported level.
+ **/
+XAresult XANokiaLinearVolumeItfImpl_GetStepCount(XANokiaLinearVolumeItf  self, XAuint32 *pStepCount)
+{
+    XAresult ret = XA_RESULT_SUCCESS;
+    XANokiaLinearVolumeItfImpl *impl = GetImpl(self);
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_GetVolumeLevel");
+
+    if(!impl || !pStepCount)
+    {
+        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetMaxVolumeLevel");
+        /* invalid parameter */
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    ret = XAAdaptationBase_ThreadEntry(impl->adapCtx);
+    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )
+    {
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetMaxVolumeLevel");
+        return ret;
+    }
+    if(impl->adapCtx->fwtype == FWMgrFWMMF)
+        {
+        ret = XANokiaLinearVolumeItfAdapt_GetStepCount((XAAdaptationMMFCtx*)impl->adapCtx, pStepCount);
+        }
+
+    XAAdaptationBase_ThreadExit(impl->adapCtx);
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetMaxVolumeLevel");
+    return ret;
+}
+
+XAresult XANokiaLinearVolumeItfImpl_SetCallbackEventsMask(XANokiaLinearVolumeItf self, XAuint32 eventFlags )
+    {
+    XAresult ret = XA_RESULT_SUCCESS;
+    XANokiaLinearVolumeItfImpl* impl = GetImpl(self);
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_SetCallbackEventsMask");
+
+    if(!impl)
+    {
+        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
+        /* invalid parameter */
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_SetCallbackEventsMask");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    impl->eventFlags = eventFlags;
+
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_SetCallbackEventsMask");
+    return ret;    
+    }
+
+XAresult XANokiaLinearVolumeItfImpl_GetCallbackEventsMask(XANokiaLinearVolumeItf self, XAuint32 * pEventFlags)
+    {
+    XAresult ret = XA_RESULT_SUCCESS;
+    XANokiaLinearVolumeItfImpl* impl = GetImpl(self);
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_GetCallbackEventsMask");
+
+    if(!impl || !pEventFlags)
+    {
+        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
+        /* invalid parameter */
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetCallbackEventsMask");
+        return XA_RESULT_PARAMETER_INVALID;
+    }
+
+    *pEventFlags = impl->eventFlags;
+
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_GetCallbackEventsMask");
+    return ret;    
+    }
+
+/**
+ * XANokiaLinearVolumeItfImpl -specific methods
+ **/
+
+/**
+ * XANokiaLinearVolumeItfImpl* XANokiaLinearVolumeItfImpl_Create()
+ * Description: Allocate and initialize VolumeItfImpl
+ **/
+XANokiaLinearVolumeItfImpl* XANokiaLinearVolumeItfImpl_Create(XAAdaptationBaseCtx *adapCtx )
+{
+    XANokiaLinearVolumeItfImpl *self = (XANokiaLinearVolumeItfImpl*)
+        calloc(1,sizeof(XANokiaLinearVolumeItfImpl));
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_Create");
+
+    if(self)
+    {
+        /* init itf default implementation */
+        self->itf.GetStepCount = XANokiaLinearVolumeItfImpl_GetStepCount;
+        self->itf.GetVolumeLevel = XANokiaLinearVolumeItfImpl_GetVolumeLevel;
+        self->itf.SetVolumeLevel = XANokiaLinearVolumeItfImpl_SetVolumeLevel;
+       	self->itf.RegisterVolumeCallback = XANokiaLinearVolumeItfImpl_RegisterVolumeCallback;        
+       	self->itf.SetCallbackEventsMask = XANokiaLinearVolumeItfImpl_SetCallbackEventsMask;
+       	self->itf.GetCallbackEventsMask = XANokiaLinearVolumeItfImpl_GetCallbackEventsMask;
+        /* init variables */
+        self->volumeLevel = 0;
+
+        self->adapCtx = adapCtx;
+
+        XAAdaptationBase_AddEventHandler( adapCtx, &XANokiaLinearVolumeItfImpl_AdaptCb, XA_NOKIALINEARVOLITFEVENTS, self );
+        
+        self->self = self;
+    }
+
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_Create");
+    return self;
+}
+
+/**
+ * void XANokiaLinearVolumeItfImpl_Free(XANokiaLinearVolumeItfImpl* self)
+ * Description: Free all resources reserved at XANokiaLinearVolumeItfImpl_Create
+ **/
+void XANokiaLinearVolumeItfImpl_Free(XANokiaLinearVolumeItfImpl* self)
+{
+    DEBUG_API("->XANokiaLinearVolumeItfImpl_Free");
+    assert(self==self->self);
+    free(self);
+    DEBUG_API("<-XANokiaLinearVolumeItfImpl_Free");
+}
+
+/* void XANokiaLinearVolumeItfimpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event )
+ * Description: Event handler for adaptation events
+ */
+void XANokiaLinearVolumeItfImpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event )
+{
+    XANokiaLinearVolumeItfImpl* impl =(XANokiaLinearVolumeItfImpl*)pHandlerCtx;
+    XAboolean eventBoolean = XA_BOOLEAN_FALSE;
+    
+    DEBUG_API("->XANokiaLinearVolumeItfimpl_AdaptCb");
+
+    if(!impl)
+    {
+        DEBUG_ERR("XANokiaLinearVolumeItfImpl_AdaptCb, invalid context pointer!");
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_AdaptCb");
+        return;
+    }
+    assert(event);
+
+    if( event->eventid == XA_ADAPT_VOLUME_VOLUME_CHANGED && impl->callback )
+    {
+        if(XA_NOKIALINEARVOLUME_EVENT_VOLUME_CHANGED & impl->eventFlags)
+            {
+            DEBUG_API("Volume level changed in adaptation"); 
+            impl->callback( impl->cbPtrToSelf, impl->context, XA_NOKIALINEARVOLUME_EVENT_VOLUME_CHANGED, eventBoolean );
+            }
+    }       
+    else
+    {
+        /* do nothing */
+    }
+    DEBUG_API("<-XANokiaLinearVolumeItfimpl_AdaptCb");
+}