/*
* 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 "xanvolumeextitf.h"
#include "xanokiavolumeextitfadaptationmmf.h"

/**
 * XANokiaVolumeExtItfImpl* GetImpl(XANokiaVolumeExtItf self)
 * Description: Validated interface pointer and cast it to implementations pointer.
 **/
static XANokiaVolumeExtItfImpl* GetImpl(XANokiaVolumeExtItf self)
{
    if(self)
    {
        XANokiaVolumeExtItfImpl* impl = (XANokiaVolumeExtItfImpl*)(*self);
        if(impl && impl == impl->self)
        {
            return impl;
        }
    }
    return NULL;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_RegisterVolumeCallback(XANokiaVolumeExtItf self,
 *                                               xaNokiaVolumeExtCallback callback,
 *                                               void * pContext)
 * Description: Sets or clears the xaVolumeCallback.
 **/
XAresult XANokiaVolumeExtItfImpl_RegisterVolumeCallback(XANokiaVolumeExtItf self,
                                              xaNokiaVolumeExtCallback callback,
                                              void * pContext)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl* impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_RegisterVolumeCallback");

    if(!impl)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        /* invalid parameter */
        DEBUG_API("<-XANokiaVolumeExtItfImpl_RegisterVolumeCallback");
        return XA_RESULT_PARAMETER_INVALID;
    }

    impl->callback = callback;
    impl->context = pContext;
    impl->cbPtrToSelf = self;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_RegisterVolumeCallback");
    return ret;
}

/**
 * Base interface XANokiaVolumeExtItf implementation
 */

/**
 * XAresult XANokiaVolumeExtItfImpl_SetVolumeLevel(XANokiaVolumeExtItf self, XAmillibel level)
 * Description: Sets the object's volume level.
 **/
XAresult XANokiaVolumeExtItfImpl_SetVolumeLevel(XANokiaVolumeExtItf self, XAmillibel level)
{
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    XAresult ret = XA_RESULT_SUCCESS;

    XAmillibel maximumLevel = 0; 
 
    DEBUG_API("->XANokiaVolumeExtItfImpl_SetVolumeLevel");

    /* check maximum volume level */
  	if(XANokiaVolumeExtItfImpl_GetMaxVolumeLevel(self, &maximumLevel) != XA_RESULT_SUCCESS)
   	{
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_SetVolumeLevel");
        /* cannot solve maximum volume level */
        return XA_RESULT_PARAMETER_INVALID;
   	}
    
    if(!impl || level > maximumLevel)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_SetVolumeLevel");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    impl->volumeLevel = level;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_SetVolumeLevel");
    return ret ;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_GetVolumeLevel(XANokiaVolumeExtItf self, XAmillibel *pLevel)
 * Description: Gets the object’s volume level.
 **/
XAresult XANokiaVolumeExtItfImpl_GetVolumeLevel(XANokiaVolumeExtItf self, XAmillibel *pLevel)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_GetVolumeLevel");

    if(!impl || !pLevel)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_GetVolumeLevel");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    *pLevel = impl->volumeLevel;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_GetVolumeLevel");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_GetMaxVolumeLevel(XANokiaVolumeExtItf  self, XAmillibel *pMaxLevel)
 * Description: Gets the maximum supported level.
 **/
XAresult XANokiaVolumeExtItfImpl_GetMaxVolumeLevel(XANokiaVolumeExtItf  self, XAmillibel *pMaxLevel)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_GetVolumeLevel");

    if(!impl || !pMaxLevel)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_GetMaxVolumeLevel");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    *pMaxLevel = MAX_SUPPORT_VOLUME_LEVEL;
    
    DEBUG_API("<-XANokiaVolumeExtItfImpl_GetMaxVolumeLevel");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_SetMute(XANokiaVolumeExtItf self, XAboolean mute)
 * Description: Mutes or unmutes the object.
 **/
XAresult XANokiaVolumeExtItfImpl_SetMute(XANokiaVolumeExtItf self, XAboolean mute)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_SetMute");

    if(!impl)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_SetMute");
        /* 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("<-XANokiaVolumeExtItfImpl_SetMute");
        return ret;
    }
    /* check is mute state changed */
    if(mute != impl->mute)
    {
        if(impl->adapCtx->fwtype == FWMgrFWMMF)
        {
        ret = XANokiaVolumeExtItfAdapt_SetMute((XAAdaptationMMFCtx*)impl->adapCtx,  mute);
        }

        if(ret == XA_RESULT_SUCCESS)
        {
            impl->mute = mute;
        }
    }

    XAAdaptationBase_ThreadExit(impl->adapCtx);
    DEBUG_API("<-XANokiaVolumeExtItfImpl_SetMute");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_GetMute(XANokiaVolumeExtItf self, XAboolean *pMute)
 * Description: Retrieves the object's state.
 **/
XAresult XANokiaVolumeExtItfImpl_GetMute(XANokiaVolumeExtItf self, XAboolean *pMute)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_GetMute");

    if(!impl || !pMute)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_GetMute");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    *pMute = impl->mute;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_GetMute");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_EnableStereoPosition(XANokiaVolumeExtItf self, XAboolean enable)
 * Description: Enables or disables the stereo positioning effect.
 **/
XAresult XANokiaVolumeExtItfImpl_EnableStereoPosition(XANokiaVolumeExtItf self, XAboolean enable)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_EnableStereoPosition");

    if(!impl)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_EnableStereoPosition");
        /* 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("<-XANokiaVolumeExtItfImpl_EnableStereoPosition");
        return ret;
    }
    /* Check is stereo position state changed */
    if(enable != impl->enableStereoPos)
    {
        if(impl->adapCtx->fwtype == FWMgrFWMMF)
        {
        ret = XANokiaVolumeExtItfAdapt_EnableStereoPosition((XAAdaptationMMFCtx*)impl->adapCtx,
                                                    enable);
        }

        if(ret == XA_RESULT_SUCCESS)
        {
            impl->enableStereoPos = enable;
        }
    }

    XAAdaptationBase_ThreadExit(impl->adapCtx);
    DEBUG_API("<-XANokiaVolumeExtItfImpl_EnableStereoPosition");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_IsEnabledStereoPosition(XANokiaVolumeExtItf self,
 *                                                  XAboolean *pEnable)
 * Description: Returns the enabled state of the stereo positioning effect.
 **/
XAresult XANokiaVolumeExtItfImpl_IsEnabledStereoPosition(XANokiaVolumeExtItf self,
                                                 XAboolean *pEnable)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_IsEnabledStereoPosition");

    if(!impl || !pEnable)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_IsEnabledStereoPosition");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    *pEnable = impl->enableStereoPos;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_IsEnabledStereoPosition");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_SetStereoPosition(XANokiaVolumeExtItf self,
 *                                            XApermille stereoPosition)
 * Description: Sets the stereo position of the object.
 **/
XAresult XANokiaVolumeExtItfImpl_SetStereoPosition(XANokiaVolumeExtItf self,
                                           XApermille stereoPosition)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_SetStereoPosition");

    if(!impl || (stereoPosition < STEREO_POSITION_LEFT) ||
        (stereoPosition > STEREO_POSITION_RIGHT))
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_SetStereoPosition");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    impl->stereoPosition = stereoPosition;

    ret = XAAdaptationBase_ThreadEntry(impl->adapCtx);
    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )
    {
        DEBUG_API("<-XANokiaVolumeExtItfImpl_SetStereoPosition");
        return ret;
    }
    /* check is stereo position effect enabled if is then handle effect */
    if(impl->enableStereoPos)
    {
    if(impl->adapCtx->fwtype == FWMgrFWMMF)
        {
        ret = XANokiaVolumeExtItfAdapt_SetStereoPosition((XAAdaptationMMFCtx*)impl->adapCtx,
                                                 stereoPosition);
        
        }
    }

    XAAdaptationBase_ThreadExit(impl->adapCtx);
    DEBUG_API("<-XANokiaVolumeExtItfImpl_SetStereoPosition");
    return ret;
}

/**
 * XAresult XANokiaVolumeExtItfImpl_GetStereoPosition(XANokiaVolumeExtItf self,
 *                                            XApermille *pStereoPosition)
 * Description: Gets the object’s stereo position setting.
 **/
XAresult XANokiaVolumeExtItfImpl_GetStereoPosition(XANokiaVolumeExtItf self,
                                           XApermille *pStereoPosition)
{
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl *impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_GetStereoPosition");

    if(!impl || !pStereoPosition)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_GetStereoPosition");
        /* invalid parameter */
        return XA_RESULT_PARAMETER_INVALID;
    }

    *pStereoPosition = impl->stereoPosition;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_GetStereoPosition");
    return ret;
}

XAresult XANokiaVolumeExtItfImpl_SetCallbackEventsMask(XANokiaVolumeExtItf self, XAuint32 eventFlags )
    {
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl* impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_SetCallbackEventsMask");

    if(!impl)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        /* invalid parameter */
        DEBUG_API("<-XANokiaVolumeExtItfImpl_SetCallbackEventsMask");
        return XA_RESULT_PARAMETER_INVALID;
    }

    impl->eventFlags = eventFlags;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_SetCallbackEventsMask");
    return ret;    
    }

XAresult XANokiaVolumeExtItfImpl_GetCallbackEventsMask(XANokiaVolumeExtItf self, XAuint32 * pEventFlags)
    {
    XAresult ret = XA_RESULT_SUCCESS;
    XANokiaVolumeExtItfImpl* impl = GetImpl(self);
    DEBUG_API("->XANokiaVolumeExtItfImpl_GetCallbackEventsMask");

    if(!impl || !pEventFlags)
    {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        /* invalid parameter */
        DEBUG_API("<-XANokiaVolumeExtItfImpl_GetCallbackEventsMask");
        return XA_RESULT_PARAMETER_INVALID;
    }

    *pEventFlags = impl->eventFlags;

    DEBUG_API("<-XANokiaVolumeExtItfImpl_GetCallbackEventsMask");
    return ret;    
    }


/**
 * XANokiaVolumeExtItfImpl -specific methods
 **/

/**
 * XANokiaVolumeExtItfImpl* XANokiaVolumeExtItfImpl_Create()
 * Description: Allocate and initialize VolumeItfImpl
 **/
XANokiaVolumeExtItfImpl* XANokiaVolumeExtItfImpl_Create(XAAdaptationBaseCtx *adapCtx )
{
    XANokiaVolumeExtItfImpl *self = (XANokiaVolumeExtItfImpl*)
        calloc(1,sizeof(XANokiaVolumeExtItfImpl));
    DEBUG_API("->XANokiaVolumeExtItfImpl_Create");

    if(self)
    {
        /* init itf default implementation */
        self->itf.EnableStereoPosition = XANokiaVolumeExtItfImpl_EnableStereoPosition;
        self->itf.GetMaxVolumeLevel = XANokiaVolumeExtItfImpl_GetMaxVolumeLevel;
        self->itf.GetMute = XANokiaVolumeExtItfImpl_GetMute;
        self->itf.GetStereoPosition = XANokiaVolumeExtItfImpl_GetStereoPosition;
        self->itf.GetVolumeLevel = XANokiaVolumeExtItfImpl_GetVolumeLevel;
        self->itf.IsEnabledStereoPosition = XANokiaVolumeExtItfImpl_IsEnabledStereoPosition;
        self->itf.SetMute = XANokiaVolumeExtItfImpl_SetMute;
        self->itf.SetStereoPosition = XANokiaVolumeExtItfImpl_SetStereoPosition;
        self->itf.SetVolumeLevel = XANokiaVolumeExtItfImpl_SetVolumeLevel;
       	self->itf.RegisterVolumeCallback = XANokiaVolumeExtItfImpl_RegisterVolumeCallback;
       	self->itf.SetCallbackEventsMask = XANokiaVolumeExtItfImpl_SetCallbackEventsMask;
       	self->itf.GetCallbackEventsMask = XANokiaVolumeExtItfImpl_GetCallbackEventsMask;

        /* init variables */
        self->volumeLevel = 0;
        self->mute = XA_BOOLEAN_FALSE;
        self->enableStereoPos = XA_BOOLEAN_FALSE;
        self->stereoPosition = STEREO_POSITION_CENTER;

        self->adapCtx = adapCtx;

        XAAdaptationBase_AddEventHandler(adapCtx, &XANokiaVolumeExtItfImpl_AdaptCb, XA_NOKIAEXTVOLITFEVENTS, self );
        
        self->self = self;
    }

    DEBUG_API("<-XANokiaVolumeExtItfImpl_Create");
    return self;
}

/**
 * void XANokiaVolumeExtItfImpl_Free(XANokiaVolumeExtItfImpl* self)
 * Description: Free all resources reserved at XANokiaVolumeExtItfImpl_Create
 **/
void XANokiaVolumeExtItfImpl_Free(XANokiaVolumeExtItfImpl* self)
{
    DEBUG_API("->XANokiaVolumeExtItfImpl_Free");
    assert(self==self->self);
    free(self);
    DEBUG_API("<-XANokiaVolumeExtItfImpl_Free");
}

/* void XANokiaVolumeExtItfimpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event )
 * Description: Event handler for adaptation events
 */
void XANokiaVolumeExtItfImpl_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event )
{
    XANokiaVolumeExtItfImpl* impl =(XANokiaVolumeExtItfImpl*)pHandlerCtx;
    XAboolean eventBoolean = XA_BOOLEAN_FALSE;
    
    DEBUG_API("->XANokiaVolumeExtItfimpl_AdaptCb");

    if(!impl)
    {
        DEBUG_ERR("XANokiaVolumeExtItfImpl_AdaptCb, invalid context pointer!");
        DEBUG_API("<-XANokiaVolumeExtItfImpl_AdaptCb");
        return;
    }
    assert(event);
    
    if( event->eventid == XA_ADAPT_VOLUME_MUTE_CHANGED && impl->callback )
    {
        if(impl->eventFlags & XA_NOKIAVOLUMEEXT_EVENT_MUTE_CHANGED)
            {
            DEBUG_API("Mute Status  changed in adaptation");
            eventBoolean = *(XAboolean*)event->data;    
            impl->callback( impl->cbPtrToSelf, impl->context, XA_NOKIAVOLUMEEXT_EVENT_MUTE_CHANGED, eventBoolean  );
            }
    }
       
    else if (event->eventid == XA_ADAPT_VOLUME_VOLUME_CHANGED)
    {
        if(impl->eventFlags & XA_NOKIAVOLUMEEXT_EVENT_VOLUME_CHANGED)
            {
            DEBUG_API("Volume Status  changed in adaptation");
            eventBoolean = *(XAboolean*)event->data;    
            impl->callback( impl->cbPtrToSelf, impl->context, XA_NOKIAVOLUMEEXT_EVENT_VOLUME_CHANGED, eventBoolean  );
            }
    }
    else if (event->eventid == XA_ADAPT_VULOME_STEREOPOSITION_CHANGED)
    {
        if(impl->eventFlags & XA_NOKIAVOLUMEEXT_EVENT_STEREO_POSITION_CHANGED)
            {
            DEBUG_API("StereoPosituin Status  changed in adaptation");
            eventBoolean = *(XAboolean*)event->data;    
            impl->callback( impl->cbPtrToSelf, impl->context, XA_NOKIAVOLUMEEXT_EVENT_STEREO_POSITION_CHANGED, eventBoolean  );
            }
    }
    
    DEBUG_API("<-XANokiaVolumeExtItfimpl_AdaptCb");
}