/*

* 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 "xaglobals.h"

#include "xadevicevolumeitf.h"

#include "xadevicevolumeitfadaptation.h"

static XADeviceVolumeItfImpl* GetImpl(XADeviceVolumeItf self)

{

    if( self )

    {

        XADeviceVolumeItfImpl* impl = (XADeviceVolumeItfImpl*)(*self);

        if( impl && (impl == impl->self) )

        {

            return impl;

        }

    }

    return NULL;

}

/**

 * Base interface XADeviceVolumeItf implementation

 */

/* XAresult XADeviceVolumeItfImpl_GetVolumeScale( XADeviceVolumeItf self,

 *                                                XAuint32 deviceID,

 *                                                XAint32* pMinValue,

 *                                                XAint32* pMaxValue,

 *                                                XAboolean* pIsMillibelScale)

 * Description: Gets the properties of the volume scale supported by the given device.

 */

XAresult XADeviceVolumeItfImpl_GetVolumeScale( XADeviceVolumeItf self,

                                               XAuint32 deviceID,

                                               XAint32* pMinValue,

                                               XAint32* pMaxValue,

                                               XAboolean* pIsMillibelScale)

{

    XADeviceVolumeItfImpl* impl = GetImpl(self);

    XAresult ret = XA_RESULT_SUCCESS;

    XAboolean supported = XA_BOOLEAN_FALSE;

    DEBUG_API("->XADeviceVolumeItfImpl_GetVolumeScale");

    if( !impl || !pMinValue || !pMaxValue || !pIsMillibelScale )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XADeviceVolumeItfImpl_GetVolumeScale");

        return XA_RESULT_PARAMETER_INVALID;

    }

    ret = XADeviceVolumeItfAdapt_IsDeviceIDSupported((XAAdaptationGstCtx*)impl->adapCtx, deviceID, &supported);

    if( ret != XA_RESULT_SUCCESS || supported != XA_BOOLEAN_TRUE )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XADeviceVolumeItfImpl_GetVolumeScale");

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pMinValue = impl->minVolume;

    *pMaxValue = impl->maxVolume;

    *pIsMillibelScale = impl->ismBscale;

    DEBUG_API("<-XADeviceVolumeItfImpl_GetVolumeScale");

    return ret;

}

/* XAresult XADeviceVolumeItfImpl_SetVolume( XADeviceVolumeItf self,

 *                                           XAuint32 deviceID,

 *                                           XAint32 volume)

 * Description: Sets the device's volume.

 */

XAresult XADeviceVolumeItfImpl_SetVolume( XADeviceVolumeItf self,

                                          XAuint32 deviceID,

                                          XAint32 volume)

{

    XADeviceVolumeItfImpl* impl = GetImpl(self);

    XAresult ret = XA_RESULT_SUCCESS;

    XAboolean supported = XA_BOOLEAN_FALSE;

    DEBUG_API("->XADeviceVolumeItfImpl_SetVolume");

    if( !impl || volume < impl->minVolume || volume > impl->maxVolume )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XADeviceVolumeItfImpl_SetVolume");

        return XA_RESULT_PARAMETER_INVALID;

    }

    ret = XADeviceVolumeItfAdapt_IsDeviceIDSupported((XAAdaptationGstCtx*)impl->adapCtx, deviceID, &supported);

    if( ret != XA_RESULT_SUCCESS || supported != XA_BOOLEAN_TRUE )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XADeviceVolumeItfImpl_SetVolume");

        return XA_RESULT_PARAMETER_INVALID;

    }

    ret = XADeviceVolumeItfAdapt_SetVolume((XAAdaptationGstCtx*)impl->adapCtx, deviceID, volume);

    if( ret == XA_RESULT_SUCCESS )

    {

        impl->curVolume = volume;

    }

    DEBUG_API("<-XADeviceVolumeItfImpl_SetVolume");

    return ret;

}

/* XAresult XADeviceVolumeItfImpl_GetVolume( XADeviceVolumeItf self,

 *                                           XAuint32 deviceID,

 *                                           XAint32 * pVolume)

 * Description: Gets the device's volume.

 */

XAresult XADeviceVolumeItfImpl_GetVolume( XADeviceVolumeItf self,

                                          XAuint32 deviceID,

                                          XAint32 * pVolume)

{

    XADeviceVolumeItfImpl* impl = GetImpl(self);

    XAresult ret = XA_RESULT_SUCCESS;

    XAboolean supported = XA_BOOLEAN_FALSE;

    DEBUG_API("->XADeviceVolumeItfImpl_GetVolume");

    if( !impl || !pVolume )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XADeviceVolumeItfImpl_GetVolume");

        return XA_RESULT_PARAMETER_INVALID;

    }

    ret = XADeviceVolumeItfAdapt_IsDeviceIDSupported((XAAdaptationGstCtx*)impl->adapCtx, deviceID, &supported);

    if( ret != XA_RESULT_SUCCESS || supported != XA_BOOLEAN_TRUE )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XADeviceVolumeItfImpl_GetVolume");

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pVolume = impl->curVolume;

    DEBUG_API("<-XADeviceVolumeItfImpl_GetVolume");

    return XA_RESULT_SUCCESS;

}

/**

 * XADeviceVolumeItfImpl -specific methods

 **/

/**

 * XADeviceVolumeItfImpl* XADeviceVolumeItfImpl_Create(XAAdaptationBaseCtx *adapCtx)

 * Description: Allocate and initialize DeviceVolumeImpl

 **/

XADeviceVolumeItfImpl* XADeviceVolumeItfImpl_Create(XAAdaptationBaseCtx *adapCtx)

{

    XADeviceVolumeItfImpl* self = (XADeviceVolumeItfImpl*)

        calloc(1,sizeof(XADeviceVolumeItfImpl));

    DEBUG_API("->XADeviceVolumeItfImpl_Create");

    if(self)

    {

        /* init itf default implementation */

        self->itf.GetVolumeScale =

            XADeviceVolumeItfImpl_GetVolumeScale;

        self->itf.GetVolume =

            XADeviceVolumeItfImpl_GetVolume;

        self->itf.SetVolume =

            XADeviceVolumeItfImpl_SetVolume;

        /* init variables */

        /* these values are replaced by adaptation in init phase */

        self->curVolume = DEFAULTDEVICEVOLUME;

        self->minVolume = DEFAULTDEVICEMINVOLUME;

        self->maxVolume = DEFAULTDEVICEMAXVOLUME;

        self->ismBscale = DEFAULTSCALEISMILLIBEL;

        self->adapCtx = adapCtx;

        self->self = self;

    }

    DEBUG_API("<-XADeviceVolumeItfImpl_Create");

    return self;

}

/* void XADeviceVolumeItfImpl_Free(XADeviceVolumeItfImpl* self)

 * Description: Free all resources reserved at XADeviceVolumeItfImpl_Create

 */

void XADeviceVolumeItfImpl_Free(XADeviceVolumeItfImpl* self)

{

    DEBUG_API("->XADeviceVolumeItfImpl_Free");

    assert(self==self->self);

    free(self);

    DEBUG_API("<-XADeviceVolumeItfImpl_Free");

}