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// Copyright (c) 2010 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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/**
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@file
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@internalComponent
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*/
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#include "cmtpplaybackcommandchecker.h"
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#include "cmtpplaybackcontrolimpl.h"
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// Constants
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__FLOG_STMT(_LIT8(KComponent,"PlaybackCommandChecker");)
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CMTPPlaybackCommandChecker::NewL
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// ---------------------------------------------------------------------------
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//
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CMTPPlaybackCommandChecker* CMTPPlaybackCommandChecker::NewL(
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CMTPPlaybackControlImpl& aControlImpl )
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{
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CMTPPlaybackCommandChecker* self = new ( ELeave )
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CMTPPlaybackCommandChecker( aControlImpl );
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return self;
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}
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// ---------------------------------------------------------------------------
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// CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker
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// ---------------------------------------------------------------------------
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//
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CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker()
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{
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__FLOG(_L8("+CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker"));
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__FLOG(_L8("-CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker"));
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__FLOG_CLOSE;
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}
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// ---------------------------------------------------------------------------
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// CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL
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// ---------------------------------------------------------------------------
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//
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void CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL( TMTPPlaybackCommand aMTPPBCommand )
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{
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__FLOG(_L8("+CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL"));
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MTPPlaybackControlImpl().SetMTPPBCmd( aMTPPBCommand );
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switch ( aMTPPBCommand )
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{
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case EPlaybackCmdInitObject:
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case EPlaybackCmdGetVolumeSet:
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case EPlaybackCmdGetVolume:
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case EPlaybackCmdGetState:
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case EPlaybackCmdSetVolume:
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{
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__FLOG(_L8("no context check for init object command"));
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}
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break;
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case EPlaybackCmdInitIndex:
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case EPlaybackCmdSkip:
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case EPlaybackCmdGetIndex:
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{
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if ( MTPPlaybackControlImpl().SongCount() < 0 )
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{
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User::Leave( KPlaybackErrContextInvalid );
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}
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}
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break;
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case EPlaybackCmdPlay:
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case EPlaybackCmdPause:
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case EPlaybackCmdStop:
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case EPlaybackCmdSeekForward:
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case EPlaybackCmdSeekBackward:
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case EPlaybackCmdGetObject:
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case EPlaybackCmdSetPosition:
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case EPlaybackCmdGetPosition:
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{
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switch ( MTPPlaybackControlImpl().CurrentState())
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{
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case EPbStateNotInitialised:
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{
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User::Leave( KPlaybackErrContextInvalid );
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}
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default:
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break;
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}
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}
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break;
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default:
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{
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__FLOG(_L8("Not support command!"));
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User::Leave( KPlaybackErrParamInvalid );
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}
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break;
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}
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__FLOG(_L8("-CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL"));
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}
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// ---------------------------------------------------------------------------
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// CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL
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// ---------------------------------------------------------------------------
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//
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void CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL( CMTPPlaybackCommand& aMTPPPBSourceCmd,
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CMTPPbCmdParam** aMTPPPBTargetParam )
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{
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__FLOG(_L8("+CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL"));
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delete *aMTPPPBTargetParam;
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*aMTPPPBTargetParam = NULL;
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switch ( aMTPPPBSourceCmd.PlaybackCommand())
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{
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case EPlaybackCmdInitObject:
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{
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const TMTPPbCategory category = aMTPPPBSourceCmd.ParamL().SuidSetL().Category();
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TFileName suid = aMTPPPBSourceCmd.ParamL().SuidSetL().Suid();
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*aMTPPPBTargetParam = CMTPPbCmdParam::NewL( category, suid );
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}
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break;
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case EPlaybackCmdInitIndex:
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{
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TUint32 songIndex = aMTPPPBSourceCmd.ParamL().Uint32L();
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if ( songIndex > ( MTPPlaybackControlImpl().SongCount()-1 ))
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{
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User::Leave( KPlaybackErrParamInvalid );
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}
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*aMTPPPBTargetParam = CMTPPbCmdParam::NewL( songIndex );
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}
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break;
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case EPlaybackCmdSkip:
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{
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TInt32 songIndex = MTPPlaybackControlImpl().SongIndex() + aMTPPPBSourceCmd.ParamL().Int32L();
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TUint32 songCount = MTPPlaybackControlImpl().SongCount();
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if ( songIndex < 0 )
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{
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songIndex = ( - songIndex ) % songCount;
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songIndex = ( songCount - songIndex ) % songCount;
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}
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else
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{
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songIndex = songIndex % songCount;
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}
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*aMTPPPBTargetParam = CMTPPbCmdParam::NewL( songIndex);
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}
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break;
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case EPlaybackCmdSetVolume:
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{
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TUint32 volume = aMTPPPBSourceCmd.ParamL().Uint32L();
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if( volume > KPbPlaybackVolumeLevelMax )
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{
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User::Leave( KPlaybackErrParamInvalid );
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}
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*aMTPPPBTargetParam = CMTPPbCmdParam::NewL( volume );
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}
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break;
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case EPlaybackCmdSetPosition:
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{
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TUint32 position= aMTPPPBSourceCmd.ParamL().Uint32L();
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*aMTPPPBTargetParam = CMTPPbCmdParam::NewL( position );
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}
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break;
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default:
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{
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__FLOG(_L8("No param, just cache command"));
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}
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break;
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}
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__FLOG(_L8("-CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL"));
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}
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// ---------------------------------------------------------------------------
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// CMTPPlaybackCommandChecker::CMTPPlaybackCommandChecker
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// ---------------------------------------------------------------------------
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//
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CMTPPlaybackCommandChecker::CMTPPlaybackCommandChecker(
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CMTPPlaybackControlImpl& aControlImpl )
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: iMTPPlaybackControl( aControlImpl )
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{
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__FLOG_OPEN(KMTPSubsystem, KComponent);
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}
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// ---------------------------------------------------------------------------
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// CMTPPlaybackCommandChecker::MTPPlaybackControlImpl
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// ---------------------------------------------------------------------------
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//
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CMTPPlaybackControlImpl& CMTPPlaybackCommandChecker::MTPPlaybackControlImpl()
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{
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return iMTPPlaybackControl;
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}
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