// Copyright (c) 2004-2009 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:

//

/**

 @file

 @internalComponent

 @released

*/

#include <bluetoothav.h>

#include "avrcpcommandframer.h"

#include "avcframe.h"

#include "avrcplog.h"

#include <remcon/avrcpspec.h>

#include <absolutevolumeapi.h>

// The Bluetooth SIG registered VendorId, see table 4.7

const AVC::TAVCVendorId KBluetoothSIGVendorId = 0x001958;

/** Returns a new CAVCFrame representing an AV/C passthrough command.

@param aOperationId The AV/C operation id of this command.

@param aButtonAction The AV/C button action.

@return An AV/C frame representing a passthrough command.

@leave error

*/

CAVCFrame* AvrcpCommandFramer::PassthroughL(AVCPanel::TOperationId aOperationId, AVCPanel::TButtonAction aButtonAction)

	{

	LOG_STATIC_FUNC

	CAVCFrame* frame = CAVCFrame::NewL(AVC::ECommand, AVC::EControl, AVC::EPanel, AVC::EID0);

	frame->Append(TChar(AVC::EPassThrough));

	frame->Append(TChar(aOperationId | aButtonAction));

	frame->Append(TChar(0));

	return frame;

	}

/** Returns a new CAVCFrame representing an AV/C Unit Info response.

@return An AV/C frame representing a Unit Info response.

@leave error

*/	

CAVCFrame* AvrcpCommandFramer::UnitInfoResponseL()

	{

	LOG_STATIC_FUNC

	CAVCFrame* frame = CAVCFrame::NewL(AVC::EResponse, AVC::EStable, AVC::EUnit, AVC::EIgnore);

	frame->Append(TChar(AVC::EUnitInfo));

	frame->Append(TChar(0x7));

	frame->Append(TChar(0x48));

	frame->Append(TChar(0xff));

	frame->Append(TChar(0xff));

	frame->Append(TChar(0xff));

	return frame;

	}

/** Returns a new CAVCFrame representing an AV/C Subunit Info response.

@return An AV/C frame representing a Subunit Info response.

@leave error

*/	

CAVCFrame* AvrcpCommandFramer::SubunitInfoResponseL()

	{

	LOG_STATIC_FUNC

	CAVCFrame* frame = CAVCFrame::NewL(AVC::EResponse, AVC::EStable, AVC::EUnit, AVC::EIgnore);

	frame->Append(TChar(AVC::ESubunitInfo));

	frame->Append(TChar(0x7));

	frame->Append(TChar(0x48));

	frame->Append(TChar(0xff));

	frame->Append(TChar(0xff));

	frame->Append(TChar(0xff));

	return frame;

	}

/** Returns a new CAVCFrame representing an AV/C 'set absolute volume' command

@return An AV/C frame representing a 'set absolute volume' command.

@leave error

*/	

CAVCFrame* AvrcpCommandFramer::SetAbsoluteVolumeCommandL(TUint8 aAbsVol)

	{

	LOG_STATIC_FUNC

	CAVCFrame* frame = CAVCFrame::NewL(AVC::ECommand, AVC::EControl, AVC::EPanel, AVC::EID0);

	frame->Append(TChar(AVC::EVendorDependent));

	frame->Append(KBluetoothSIGVendorId>>16 & 0xff);	

	frame->Append(KBluetoothSIGVendorId>>8 & 0xff);	

	frame->Append(KBluetoothSIGVendorId & 0xff);

	frame->Append(ESetAbsoluteVolume);

	frame->Append(TChar(AVC::EASingle));

	TUint16 len = KLengthSetAbsoluteVolumeRequestParameter<<8 & 0xffff;

	TPckgBuf<TUint16> parameterLength(len);

	frame->Append(parameterLength);

	frame->Append(aAbsVol);

	return frame;

	}

/** Returns a new CAVCFrame representing an AV/C 'Register notification absolute volume changed' command.

@return An AV/C frame representing a 'Register notification absolute volume changed' command.

@leave error

*/	

CAVCFrame* AvrcpCommandFramer::NotifyVolumeChangeCommandL()

	{

	LOG_STATIC_FUNC

	CAVCFrame* frame = CAVCFrame::NewL(AVC::ECommand, AVC::ENotify, AVC::EPanel, AVC::EID0);

	frame->Append(TChar(AVC::EVendorDependent));

	frame->Append(KBluetoothSIGVendorId>>16 & 0xff);	

	frame->Append(KBluetoothSIGVendorId>>8 & 0xff);	

	frame->Append(KBluetoothSIGVendorId & 0xff);

	frame->Append(ERegisterNotification);

	frame->Append(TChar(AVC::EASingle));

	TUint16 len = KLengthNotifyVolumeChangeRequestParameter<<8 & 0xffff;

	TPckgBuf<TUint16> parameterLength(len);

	frame->Append(parameterLength);

	frame->Append(ERegisterNotificationVolumeChanged);

	TBuf8<4> reservedBuffer(KLengthNotifyVolumeChangeRequestParameter - 1);

	reservedBuffer.FillZ();

	frame->Append(reservedBuffer);

	return frame;

	}