/*

* 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");

}