javauis/mmapi_qt/baseline/src/cmmamiditempocontrol.cpp
branchRCL_3
changeset 18 9ac0a0a7da70
parent 17 0fd27995241b
child 19 71c436fe3ce0
--- a/javauis/mmapi_qt/baseline/src/cmmamiditempocontrol.cpp	Tue May 11 16:07:20 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,213 +0,0 @@
-/*
-* Copyright (c) 2002 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:  This class is a TempoControl.
-*
-*/
-
-
-//  INCLUDE FILES
-#include <logger.h>
-#include <e32base.h>
-
-#include "cmmamiditempocontrol.h"
-#include "cmmamidiplayer.h"
-
-static const TInt KMicroBeatsInMiliBeat = 1000;
-static const TInt KMMAMIDIMinimumTempo = 10000;
-static const TInt KMMAMIDIMaximumTempo = 300000;
-static const TInt KMMAMIDIDefaultTempoInMicroBeats = 120000000;
-_LIT(KMMAMidiTempoStateChangedError, "Tempo error in state change");
-
-CMMAMIDITempoControl* CMMAMIDITempoControl::NewL(CMMAMIDIPlayer* aPlayer)
-{
-    CMMAMIDITempoControl* self = new(ELeave) CMMAMIDITempoControl(aPlayer);
-    CleanupStack::PushL(self);
-    self->ConstructL();
-    CleanupStack::Pop();
-    return self;
-}
-
-CMMAMIDITempoControl::CMMAMIDITempoControl(CMMAMIDIPlayer* aPlayer)
-{
-    iPlayer = aPlayer;
-    iTempo = KMMAMIDIDefaultTempoInMicroBeats;
-
-    LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::CMMAMIDITempoControl");
-}
-
-CMMAMIDITempoControl::~CMMAMIDITempoControl()
-{
-    LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::~CMMAMIDITempoControl");
-}
-
-inline void CMMAMIDITempoControl::ConstructL()
-{
-    LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::ConstructL");
-
-    iPlayer->addObserverL(this);
-    iPlayer->AddStateListenerL(this);
-}
-
-const TDesC& CMMAMIDITempoControl::ClassName() const
-{
-    LOG( EJavaMMAPI, EInfo, "MMA:CMMAMIDITempoControl::ClassName");
-    return KMIDITempoControlName;
-}
-
-
-TInt CMMAMIDITempoControl::TempoL()
-{
-    LOG( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: TempoL");
-
-    return iTempo / KMicroBeatsInMiliBeat;
-}
-
-TInt CMMAMIDITempoControl::SetTempoL(TInt aTempo)
-{
-    LOG( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL");
-    TInt tempo = aTempo;
-    if (tempo < KMMAMIDIMinimumTempo)
-    {
-        tempo = KMMAMIDIMinimumTempo;
-    }
-    if (tempo > KMMAMIDIMaximumTempo)
-    {
-        tempo = KMMAMIDIMaximumTempo;
-    }
-
-    LOG1( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL: setting tempo %d",
-              tempo);
-
-    // Convert tempo to micro-beats.
-    tempo *= KMicroBeatsInMiliBeat;
-
-    // Set the tempo to the midi client if the player state is not REALIZED.
-    // (Tempo cannot be set to the midi client if the player
-    // has not been prefetched).
-    if (iPlayer->State() != CMMAPlayer::ERealized)
-    {
-        CMidiClientUtility* midi = iPlayer->MidiClient();
-        midi->SetTempoL(tempo);
-        tempo = iPlayer->MidiClient()->TempoMicroBeatsPerMinuteL();
-    }
-
-    iTempo = tempo;
-
-    LOG1( EJavaMMAPI, EInfo, "MMA: CMMAMIDITempoControl: SetTempoL: Tempo set: %d",
-              tempo / KMicroBeatsInMiliBeat);
-
-    return tempo / KMicroBeatsInMiliBeat;
-}
-
-TInt CMMAMIDITempoControl::SetRateL(TInt aRate)
-{
-    TInt rate = aRate;
-    TInt maxRate = MaxRateL();
-    TInt minRate = MinRateL();
-
-    if (rate > maxRate)
-    {
-        rate = maxRate;
-    }
-    else if (rate < minRate)
-    {
-        rate = minRate;
-    }
-    iPlayer->MidiClient()->SetPlaybackRateL(rate);
-    return RateL();         // return the actual tempo
-}
-
-TInt CMMAMIDITempoControl::RateL()
-{
-    return iPlayer->MidiClient()->PlaybackRateL();
-}
-
-TInt CMMAMIDITempoControl::MaxRateL()
-{
-    return iPlayer->MidiClient()->MaxPlaybackRateL();
-}
-
-TInt CMMAMIDITempoControl::MinRateL()
-{
-    return iPlayer->MidiClient()->MinPlaybackRateL();
-}
-
-void CMMAMIDITempoControl::StateChanged(TInt aState)
-{
-    LOG1( EJavaMMAPI, EInfo, "CMMAMIDITempoControl:: StateChanged, state = %d", aState);
-
-    // If tempo was set when the player was in REALIZED state, set the tempo
-    // now when the player has been prefetched.
-    if ((aState == CMMAPlayer::EPrefetched) &&
-            (iTempo != KMMAMIDIDefaultTempoInMicroBeats))
-    {
-        CMidiClientUtility* midi = iPlayer->MidiClient();
-        TRAPD(err, midi->SetTempoL(iTempo));
-
-        ELOG1( EJavaMMAPI, "CMMAMIDITempoControl:: StateChanged, err = %d", err);
-
-        if (err != KErrNone)
-        {
-            iPlayer->PostStringEvent(CMMAPlayerEvent::EError,
-                                     KMMAMidiTempoStateChangedError);
-        }
-    }
-    else if (aState == CMMAPlayer::ERealized)
-    {
-        // If the player was deallocated, set the tempo to the default value.
-        iTempo = KMMAMIDIDefaultTempoInMicroBeats;
-    }
-}
-void CMMAMIDITempoControl::MmcuoStateChanged(TMidiState /*aOldState*/,
-        TMidiState /*aNewState*/,
-        const TTimeIntervalMicroSeconds& /*aTime*/,
-        TInt /*aError*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoTempoChanged(TInt aMicroBeatsPerMinute)
-{
-    LOG( EJavaMMAPI, EInfo, "CMMAMIDITempoControl:: MmcuoTempoChanged");
-
-    iTempo = aMicroBeatsPerMinute;
-}
-
-void CMMAMIDITempoControl::MmcuoVolumeChanged(TInt /*aChannel*/,TReal32 /*aVolumeInDecibels*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoMuteChanged(TInt /*aChannel*/,TBool /*aMuted*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoSyncUpdate(const TTimeIntervalMicroSeconds& /*aMicroSeconds*/,TInt64 /*aMicroBeats*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoMetaDataEntryFound(const TInt /*aMetaDataEntryId*/,const TTimeIntervalMicroSeconds& /*aPosition*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoMipMessageReceived(const RArray<TMipMessageEntry>& /*aMessage*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoPolyphonyChanged(TInt /*aNewPolyphony*/)
-{
-}
-
-void CMMAMIDITempoControl::MmcuoInstrumentChanged(TInt /*aChannel*/,TInt /*aBankId*/,TInt /*aInstrumentId*/)
-{
-}
-//  END OF FILE