remotecontrol/avrcp/remconbeareravrcp/src/avrcpadvancedcontrol.cpp
author hgs
Wed, 13 Oct 2010 16:20:29 +0300
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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 <remconaddress.h>
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#include <remcon/avrcpspec.h>
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#include "avrcpinternalinterface.h"
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#include "avrcplog.h"
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#include "avrcputils.h"
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#include "browsecommand.h"
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#include "browsingframe.h"
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#include "mediabrowse.h"
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#include "nowplaying.h"
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TInt CBrowseCommand::HandleSetBrowsedPlayer()
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	{
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	LOG_FUNC	
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	TPtrC8 payload;
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	AvrcpBrowsing::BrowsingFrame::Payload(iFrame, payload);
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	if (payload.Length() < KMinLengthSetBrowsedPlayerPdu)
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		{
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		return KErrAvrcpAirInvalidCommand;
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		}
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	iOperationId = ESetBrowsedPlayerOperationId;
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	iInterfaceUid = TUid::Uid(KRemConMediaBrowseApiUid);
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	RRemConSetBrowsedPlayerRequest request;
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	request.iPlayerId = static_cast<TUint16>(payload[0]) << 8;
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	request.iPlayerId |= payload[1];
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	request.iMaxResponse = iMaxResponse;
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	TBuf8<KMediaBrowseOutBufMaxLength> buf;
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	// Only reason for WriteL to leave is insufficently large buffer
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	TRAP_IGNORE(request.WriteL(buf));
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	TInt err = AppendIncomingPayload(buf);
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	return (err == KErrNone) ? KErrAvrcpFurtherProcessingRequired : err;
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	}
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TInt CBrowseCommand::HandleGetFolderItems()
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	{
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	LOG_FUNC	
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	TPtrC8 payload;
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	AvrcpBrowsing::BrowsingFrame::Payload(iFrame, payload);
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	if (payload.Length() < KMinLengthGetFolderItemsPdu)
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		{
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		return KErrAvrcpAirInvalidCommand;
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		}
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	TInt err = KErrAvrcpInvalidScope;
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	switch(iFrame[3])
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		{
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	case AvrcpBrowsing::KMediaPlayerScope:
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		{
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		iOperationId = EAvrcpInternalGetFolderItems;
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		iInterfaceUid = TUid::Uid(KUidAvrcpInternalInterface);
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		err = (AppendIncomingPayload(payload) == KErrNone) ? KErrAvrcpInternalCommand : err;
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		break;
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		}
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	case AvrcpBrowsing::KVirtualFilesystemScope:
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	case AvrcpBrowsing::KSearchScope:
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	case AvrcpBrowsing::KNowPlayingScope:
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		{
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		iOperationId = EGetFolderItemsOperationId;
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		iInterfaceUid = TUid::Uid(KRemConMediaBrowseApiUid);
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		err = AppendIncomingPayload(payload);
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		break;
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		}
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		};
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	return err;
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	}
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TInt CBrowseCommand::HandleChangePath()
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	{
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	LOG_FUNC	
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	TPtrC8 payload;
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	AvrcpBrowsing::BrowsingFrame::Payload(iFrame, payload);
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	if (payload.Length() < KMinLengthChangePathPdu)
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		{
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		return KErrAvrcpAirInvalidCommand;
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		}
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	iOperationId = EChangePathOperationId;
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	iInterfaceUid = TUid::Uid(KRemConMediaBrowseApiUid);
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	return AppendIncomingPayload(payload);
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	}
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TInt CBrowseCommand::HandleGetItemAttributes()
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	{
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	LOG_FUNC	
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	TPtrC8 payload;
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	AvrcpBrowsing::BrowsingFrame::Payload(iFrame, payload);
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	if (payload.Length() < KMinLengthGetItemAttributesPdu)
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		{
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		return KErrAvrcpAirInvalidCommand;
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		}
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	iInterfaceUid = TUid::Uid(KRemConMediaBrowseApiUid);
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	iOperationId = EGetItemAttributesOperationId;
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	return AppendIncomingPayload(payload);
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	}
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TInt CBrowseCommand::HandleSearch()
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	{
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	LOG_FUNC	
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	TPtrC8 payload;
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	AvrcpBrowsing::BrowsingFrame::Payload(iFrame, payload);
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	if (payload.Length() < KMinLengthSearchPdu)
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		{
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		return KErrAvrcpAirInvalidCommand;
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		}
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	iOperationId = ESearchOperationId;
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	iInterfaceUid = TUid::Uid(KRemConMediaBrowseApiUid);
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	return AppendIncomingPayload(payload);
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	}
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/** Allocate correct space and append the payload to iCommandData
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 */
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TInt CBrowseCommand::AppendIncomingPayload(const TPtrC8& aPayload)
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	{
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	iCommandData.Close();
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	if (iCommandData.Create(aPayload.Length()) != KErrNone)
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		{
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		return KErrAvrcpAirInternalError;
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		}
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	iCommandData.Append(aPayload);
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	return KErrNone;
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	}
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TInt CBrowseCommand::HandleUnknownPdu()
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	{
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	iFrame.Close();
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	TInt err = iFrame.CreateMax(KMinLengthGeneralReject);
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	if(!err)
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		{
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		iFrame[0] = AvrcpBrowsing::EGeneralReject;
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		iFrame[1] = (KMinLengthGeneralReject - AvrcpBrowsing::KHeaderLength) >> 8;
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		iFrame[2] = (KMinLengthGeneralReject - AvrcpBrowsing::KHeaderLength);
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		iFrame[3] = KErrAvrcpAirInvalidCommand - KErrAvrcpAirBase;
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		}
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	return err ? err : KErrAvrcpHandledInternallyRespondNow;
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	}