/*

 * 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))

        {

        /* 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;

        }

    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;

        }

    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");

    }