bluetoothappprofiles/avrcp/remconbeareravrcp/src/avrcpcommand.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 12:06:42 +0200
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permissions -rw-r--r--
Revision: 201001 Kit: 201004
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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "avrcpcommand.h"
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#include "avrcplog.h"
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CAvrcpCommand::CAvrcpCommand(TUint aRemConId,
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	SymbianAvctp::TTransactionLabel aTransactionLabel, 
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	const TBTDevAddr& aAddr)
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	: iRemConId(aRemConId)
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	, iTransactionLabel(aTransactionLabel)
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	, iRemoteAddr(aAddr)
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	{
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	LOG_FUNC
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	}
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//------------------------------------------------------------------------------------
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// Called by handlers, router and bearer
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//------------------------------------------------------------------------------------
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/** Decrement the users of this command.
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This must be called by users of the command when they
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no longer require the command to remain in existence.
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When the number of users reaches zero, the command
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is deleted.
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*/
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void CAvrcpCommand::DecrementUsers()
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	{
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	LOG_FUNC
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	if(--iUsers < 1)
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		{
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		iHandlingLink.Deque();
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		delete this;
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		}
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	}
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/** Increment the users of this command.
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This must be called by users of the command to signify
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they require it to remain in existence.
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*/
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void CAvrcpCommand::IncrementUsers()
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	{
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	LOG_FUNC
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	iUsers++;
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	}
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//------------------------------------------------------------------------------------
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// Called by bearer
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//------------------------------------------------------------------------------------
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/** Get info needed by RemCon for this command.
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@param aInterfaceUid On return, the RemCon interface of this command.
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@param aId On return, the RemCon transaction id of this command.
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@param aOperationId On return, the RemCon operation id of this command.
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@param aCommandData On return, the command data for this operation. 
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					Ownership is returned.
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@param aAddr On return, the originating device for this command.
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*/
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void CAvrcpCommand::GetCommandInfo(TUid& aInterfaceUid, 
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		TUint& aId, 
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		TUint& aOperationId, 
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		RBuf8& aCommandData, 
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		TBTDevAddr& aAddr)
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	{
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	LOG_FUNC
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	aInterfaceUid = iInterfaceUid;
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	aId = iRemConId;
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	aOperationId = iOperationId;
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	// RemCon will take ownership of command data
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	aCommandData.Assign(iCommandData);
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	iCommandData.Assign(NULL);
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	aAddr = iRemoteAddr;
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	}
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//------------------------------------------------------------------------------------
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// Called by handlers
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//------------------------------------------------------------------------------------
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/** Gets the remote associated with this command.
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This may be the source or the destination, depending
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on if the originated locally or remotely.
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@return The BT address of the remote device.
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*/
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const TBTDevAddr& CAvrcpCommand::RemoteAddress() const
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	{
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	LOG_FUNC
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	return iRemoteAddr;
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	}	
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/** Gets the AVCTP transaction label for this command.
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This is used to match commands with responses.
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@return The AVCTP transaction label for this command.
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*/
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SymbianAvctp::TTransactionLabel CAvrcpCommand::TransactionLabel() const
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	{
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	LOG_FUNC
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	return iTransactionLabel;
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	}
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/** Gets the RemCon id of this command.
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This is used to uniquely identify a transaction to RemCon.
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@return The RemCon command id.
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*/	
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TUint CAvrcpCommand::RemConCommandId() const
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	{
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	LOG_FUNC
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	return iRemConId;
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	}
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/** Gets the RemCon interface uid of this command.
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This is used with the operation id to uniquely identify an operation to RemCon.
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@param aOperation
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@return The RemCon operation id.
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*/	
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const TUid& CAvrcpCommand::RemConInterfaceUid() const
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	{
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	LOG_FUNC
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	return iInterfaceUid;
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	}
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/** Gets the RemCon operation id of this command.
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This is used with the interface uid to uniquely identify an operation to RemCon.
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@param aOperation
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@return The RemCon operation id.
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*/	
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TUint CAvrcpCommand::RemConOperationId() const
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	{
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	LOG_FUNC
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	return iOperationId;
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	}
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/**
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Whether the Bearer is aware of this command.  If not we shouldn't
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inform the bearer of responses.
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*/
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TBool CAvrcpCommand::KnownToBearer() const
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	{
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	return iKnownToBearer;
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	}