--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/khronosfws/openmax_al/src/common/xanokialinearvolumeitf.c	Tue Aug 31 15:43:02 2010 +0300
@@ -0,0 +1,314 @@
+/*
+ * 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: Nokia Linear Volume Interface Implementation
+ *
+ */
+
+#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_SUCCESS)
+        {
+        if (impl->adapCtx && 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;
+        }
+
+    ret = XAAdaptationBase_ThreadEntry(impl->adapCtx);
+    if (ret == XA_RESULT_SUCCESS)
+        {
+        if (impl->adapCtx && impl->adapCtx->fwtype == FWMgrFWMMF)
+            {
+            ret = XANokiaLinearVolumeItfAdapt_GetVolumeLevel(
+                    (XAAdaptationMMFCtx*) impl->adapCtx, percentage);
+            if (ret == XA_RESULT_SUCCESS)
+                {
+                impl->volumeLevel = *percentage;
+                }
+            }
+        XAAdaptationBase_ThreadExit(impl->adapCtx);
+        }
+
+    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_SUCCESS)
+        {
+        if (impl->adapCtx && 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 || !event)
+        {
+        DEBUG_ERR("XANokiaLinearVolumeItfImpl_AdaptCb, invalid context pointer!");
+        DEBUG_API("<-XANokiaLinearVolumeItfImpl_AdaptCb");
+        return;
+        }
+    
+    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);
+            }
+        }
+    DEBUG_API("<-XANokiaLinearVolumeItfimpl_AdaptCb");
+    }