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os/mm/mmlibs/mmfw/MIDI/src/midicustomcommandparser.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <mmf/common/midistandardcustomcommands.h>

    17 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS

    18 #include <mmf/common/midieventreceiver.h>

    19 #include <mmf/common/mmfmidiconfig.h>

    20 #endif

    21 const TInt KMimeTypeLength = 256;

    22 

    23 

    24 /**

    25 Creates a new MIDI custom command parser capable of handling MIDI controller commands.

    26 

    27 @param	aImplementor A reference to the controller plugin that owns this new object.

    28 @leave	This function may leave with one of the system-wide error codes.

    29 */

    30 EXPORT_C CMidiCustomCommandParser* CMidiCustomCommandParser::NewL(MMidiCustomCommandImplementor& aImplementor)

    31 	{

    32 	return new(ELeave) CMidiCustomCommandParser(aImplementor);

    33 	}

    34 

    35 CMidiCustomCommandParser::CMidiCustomCommandParser(MMidiCustomCommandImplementor& aImplementor) :

    36 	CMMFCustomCommandParserBase(KUidInterfaceMidi),

    37 	iImplementor(aImplementor)

    38 	{

    39 	}

    40 

    41 /**

    42 Destructor.

    43 */

    44 EXPORT_C CMidiCustomCommandParser::~CMidiCustomCommandParser()

    45 	{

    46 	delete iMidiEventReceiver;

    47 	delete iInstrumentName;

    48 	delete iPercussionKeyName;

    49 	iMidiEvents.ResetAndDestroy();

    50 	iMidiEvents.Close();

    51 	}

    52 

    53 /**

    54 Handles a request from the client. Called by the controller framework.

    55 

    56 @param aMessage The message to be handled.

    57 */

    58 void CMidiCustomCommandParser::HandleRequest(TMMFMessage& aMessage)

    59 	{

    60 	if (aMessage.Destination().InterfaceId() == KUidInterfaceMidi)

    61 		{

    62 		TRAPD(error, DoHandleRequestL(aMessage));

    63 		if (error)

    64 			aMessage.Complete(error);

    65 		}

    66 	else

    67 		{

    68 		aMessage.Complete(KErrNotSupported);

    69 		}

    70 	}

    71 

    72 void CMidiCustomCommandParser::DoHandleRequestL(TMMFMessage& aMessage)

    73 	{

    74 	TBool complete = ETrue;

    75 	switch (aMessage.Function())

    76 		{

    77 	case EMMFMidiControllerSetPositionMicroBeats:

    78 		complete = DoSetPositionMicroBeatsL(aMessage);

    79 		break;

    80 	case EMMFMidiControllerPositionMicroBeats:

    81 		complete = DoPositionMicroBeatsL(aMessage);

    82 		break;

    83 	case EMMFMidiControllerPlayNote:

    84 		complete = DoPlayNoteL(aMessage);

    85 		break;

    86 	case EMMFMidiControllerPlayNoteWithStartTime:

    87 		complete = DoPlayNoteWithStartTimeL(aMessage);

    88 		break;

    89 	case EMMFMidiControllerStopNotes:

    90 		complete = DoStopNotesL(aMessage);

    91 		break;

    92 	case EMMFMidiControllerNoteOn:

    93 		complete = DoNoteOnL(aMessage);

    94 		break;

    95 	case EMMFMidiControllerNoteOff:

    96 		complete = DoNoteOffL(aMessage);

    97 		break;

    98 	case EMMFMidiControllerPlaybackRate:

    99 		complete = DoPlaybackRateL(aMessage);

   100 		break;

   101 	case EMMFMidiControllerSetPlaybackRate:

   102 		complete = DoSetPlaybackRateL(aMessage);

   103 		break;

   104 	case EMMFMidiControllerMaxPlaybackRate:

   105 		complete = DoMaxPlaybackRateL(aMessage);

   106 		break;

   107 	case EMMFMidiControllerMinPlaybackRate:

   108 		complete = DoMinPlaybackRateL(aMessage);

   109 		break;

   110 	case EMMFMidiControllerTempo:

   111 		complete = DoTempoMicroBeatsPerMinuteL(aMessage);

   112 		break;

   113 	case EMMFMidiControllerSetTempo:

   114 		complete = DoSetTempoL(aMessage);

   115 		break;

   116 	case EMMFMidiControllerPitch:

   117 		complete = DoPitchTranspositionCentsL(aMessage);

   118 		break;

   119 	case EMMFMidiControllerSetPitch:

   120 		complete = DoSetPitchTranspositionL(aMessage);

   121 		break;

   122 	case EMMFMidiControllerDurationMicroBeats:

   123 		complete = DoDurationMicroBeatsL(aMessage);

   124 		break;

   125 	case EMMFMidiControllerNumTracks:

   126 		complete = DoNumTracksL(aMessage);

   127 		break;

   128 	case EMMFMidiControllerSetTrackMute:

   129 		complete = DoSetTrackMuteL(aMessage);

   130 		break;

   131 	case EMMFMidiControllerMimeType:

   132 		complete = DoMimeTypeL(aMessage);

   133 		break;

   134 	case EMMFMidiControllerSetSyncUpdateCallbackInterval:

   135 		complete = DoSetSyncUpdateCallbackIntervalL(aMessage);

   136 		break;

   137 	case EMMFMidiControllerSendMessage:

   138 		complete = DoSendMessageL(aMessage);

   139 		break;

   140 	case EMMFMidiControllerSendMessageWithTimeStamp:

   141 		complete = DoSendMessageWithTimeStampL(aMessage);

   142 		break;

   143 	case EMMFMidiControllerSendMipMessage:

   144 		complete = DoSendMipMessageL(aMessage);

   145 		break;

   146 	case EMMFMidiControllerNumberOfBanks:

   147 		complete = DoNumberOfBanksL(aMessage);

   148 		break;

   149 	case EMMFMidiControllerGetBankId:

   150 		complete = DoGetBankIdL(aMessage);

   151 		break;

   152 	case EMMFMidiControllerLoadCustomBank:

   153 		complete = DoLoadCustomBankL(aMessage);

   154 		break;

   155 	case EMMFMidiControllerLoadCustomBankData:

   156 		complete = DoLoadCustomBankDataL(aMessage);

   157 		break;

   158 	case EMMFMidiControllerUnloadCustomBank:

   159 		complete = DoUnloadCustomBankL(aMessage);

   160 		break;

   161 	case EMMFMidiControllerCustomBankLoaded:

   162 		complete = DoCustomBankLoadedL(aMessage);

   163 		break;

   164 	case EMMFMidiControllerUnloadAllCustomBanks:

   165 		complete = DoUnloadAllCustomBanksL(aMessage);

   166 		break;

   167 	case EMMFMidiControllerNumberOfInstruments:

   168 		complete = DoNumberOfInstrumentsL(aMessage);

   169 		break;

   170 	case EMMFMidiControllerGetInstrumentId:

   171 		complete = DoGetInstrumentIdL(aMessage);

   172 		break;

   173 	case EMMFMidiControllerInstrumentName:

   174 		complete = DoInstrumentNameL(aMessage);

   175 		break;

   176 	case EMMFMidiControllerCopyInstrumentName:

   177 		complete = DoCopyInstrumentNameL(aMessage);

   178 		break;

   179 	case EMMFMidiControllerSetInstrument:

   180 		complete = DoSetInstrumentL(aMessage);

   181 		break;

   182 	case EMMFMidiControllerLoadCustomInstrument:

   183 		complete = DoLoadCustomInstrumentL(aMessage);

   184 		break;

   185 	case EMMFMidiControllerLoadCustomInstrumentData:

   186 		complete = DoLoadCustomInstrumentDataL(aMessage);

   187 		break;

   188 	case EMMFMidiControllerUnloadCustomInstrument:

   189 		complete = DoUnloadCustomInstrumentL(aMessage);

   190 		break;

   191 	case EMMFMidiControllerPercussionKeyName:

   192 		complete = DoPercussionKeyNameL(aMessage);

   193 		break;

   194 	case EMMFMidiControllerCopyPercussionKeyName:

   195 		complete = DoCopyPercussionKeyNameL(aMessage);

   196 		break;

   197 	case EMMFMidiControllerStopTime:

   198 		complete = DoStopTimeL(aMessage);

   199 		break;

   200 	case EMMFMidiControllerSetStopTime:

   201 		complete = DoSetStopTimeL(aMessage);

   202 		break;

   203 	case EMMFMidiControllerPolyphony:

   204 		complete = DoPolyphonyL(aMessage);

   205 		break;

   206 	case EMMFMidiControllerChannelsSupported:

   207 		complete = DoChannelsSupportedL(aMessage);

   208 		break;

   209 	case EMMFMidiControllerChannelVolume:

   210 		complete = DoChannelVolumeL(aMessage);

   211 		break;

   212 	case EMMFMidiControllerMaxChannelVolume:

   213 		complete = DoMaxChannelVolumeL(aMessage);

   214 		break;

   215 	case EMMFMidiControllerSetChannelVolume:

   216 		complete = DoSetChannelVolumeL(aMessage);

   217 		break;

   218 	case EMMFMidiControllerSetChannelMute:

   219 		complete = DoSetChannelMuteL(aMessage);

   220 		break;

   221 	case EMMFMidiControllerVolume:

   222 		complete = DoVolumeL(aMessage);

   223 		break;

   224 	case EMMFMidiControllerMaxVolume:

   225 		complete = DoMaxVolumeL(aMessage);

   226 		break;

   227 	case EMMFMidiControllerSetVolume:

   228 		complete = DoSetVolumeL(aMessage);

   229 		break;

   230 	case EMMFMidiControllerSetVolumeRamp:

   231 		complete = DoSetVolumeRampL(aMessage);

   232 		break;

   233 	case EMMFMidiControllerGetBalance:

   234 		complete = DoGetBalanceL(aMessage);

   235 		break;

   236 	case EMMFMidiControllerSetBalance:

   237 		complete = DoSetBalanceL(aMessage);

   238 		break;

   239 	case EMMFMidiControllerSetMaxPolyphony:

   240 		complete = DoSetMaxPolyphonyL(aMessage);

   241 		break;

   242 	case EMMFMidiControllerGetRepeats:

   243 		complete = DoGetRepeatsL(aMessage);

   244 		break;

   245 	case EMMFMidiControllerSetRepeats:

   246 		complete = DoSetRepeatsL(aMessage);

   247 		break;

   248 	case EMMFMidiControllerSetBank:

   249 		DoSetBankL(aMessage);

   250 		break;

   251 	case EMMFMidiControllerIsTrackMute:

   252 		DoIsTrackMuteL(aMessage);

   253 		break;

   254 	case EMMFMidiControllerIsChannelMute:

   255 		DoIsChannelMuteL(aMessage);

   256 		break;

   257 	case EMMFMidiControllerGetInstrument:

   258 		DoGetInstrumentL(aMessage);

   259 		break;

   260 	case EMMFMidiControllerClose:

   261 		complete = DoCloseL(aMessage);

   262 		break;

   263 	case EMMFMidiControllerStop:

   264 		complete = DoStopL(aMessage);

   265 		break;

   266 	case EMMFMidiControllerReceiveEvents:

   267 		complete = DoReceiveEventsL(aMessage);

   268 		break;

   269 	case EMMFMidiControllerRetrieveEvent:

   270 		complete = DoRetrieveEventL(aMessage);

   271 		break;

   272 	case EMMFMidiControllerCancelReceiveEvents:

   273 		complete = DoCancelReceiveEventsL(aMessage);

   274 		break;

   275 	case EMMFMidiControllerMaxPolyphony:

   276 		complete = DoMaxPolyphonyL(aMessage);

   277 		break;

   278 	default:

   279 		User::Leave(KErrNotSupported);

   280 		break;

   281 		}

   282 	if (complete)

   283 		aMessage.Complete(KErrNone);

   284 	}

   285 

   286 TBool CMidiCustomCommandParser::DoSetPositionMicroBeatsL(TMMFMessage& aMessage)

   287 	{

   288 	TPckgBuf<TMMFMidiConfig2> pckg;

   289 	aMessage.ReadData1FromClientL(pckg);

   290 	iImplementor.MmcSetPositionMicroBeatsL(pckg().iPositionMicroBeats);

   291 	return ETrue;

   292 	}

   293 

   294 TBool CMidiCustomCommandParser::DoPositionMicroBeatsL(TMMFMessage& aMessage)

   295 	{

   296 	TInt64 microBeats = 0;

   297 	iImplementor.MmcPositionMicroBeatsL(microBeats);

   298 	TPckgBuf<TMMFMidiConfig2> pckg;

   299 	pckg().iPositionMicroBeats = microBeats;

   300 	aMessage.WriteDataToClientL(pckg);

   301 	return ETrue;

   302 	}

   303 

   304 TBool CMidiCustomCommandParser::DoPlayNoteL(TMMFMessage& aMessage)

   305 	{

   306 	TPckgBuf<TMMFMidiConfig2> pckg;

   307 	aMessage.ReadData1FromClientL(pckg);

   308 	iImplementor.MmcPlayNoteL(pckg().iChannel, pckg().iNote, pckg().iDurationMicroSeconds, pckg().iNoteOnVelocity, pckg().iNoteOffVelocity);

   309 	return ETrue;

   310 	}

   311 

   312 TBool CMidiCustomCommandParser::DoPlayNoteWithStartTimeL(TMMFMessage& aMessage)

   313 	{

   314 	TPckgBuf<TMMFMidiConfig2> pckg;

   315 	aMessage.ReadData1FromClientL(pckg);

   316 	iImplementor.MmcPlayNoteL(pckg().iChannel, pckg().iNote, pckg().iStartTime, pckg().iDurationMicroSeconds, pckg().iNoteOnVelocity, pckg().iNoteOffVelocity);

   317 	return ETrue;

   318 	}

   319 

   320 TBool CMidiCustomCommandParser::DoStopNotesL(TMMFMessage& aMessage)

   321 	{

   322 	TPckgBuf<TMMFMidiConfig2> pckg;

   323 	aMessage.ReadData1FromClientL(pckg);

   324 	iImplementor.MmcStopNotesL(pckg().iChannel);

   325 	return ETrue;

   326 	}

   327 

   328 TBool CMidiCustomCommandParser::DoNoteOnL(TMMFMessage& aMessage)

   329 	{

   330 	TPckgBuf<TMMFMidiConfig2> pckg;

   331 	aMessage.ReadData1FromClientL(pckg);

   332 	iImplementor.MmcNoteOnL(pckg().iChannel, pckg().iNote, pckg().iNoteOnVelocity);

   333 	return ETrue;

   334 	}

   335 

   336 TBool CMidiCustomCommandParser::DoNoteOffL(TMMFMessage& aMessage)

   337 	{

   338 	TPckgBuf<TMMFMidiConfig2> pckg;

   339 	aMessage.ReadData1FromClientL(pckg);

   340 	iImplementor.MmcNoteOffL(pckg().iChannel, pckg().iNote, pckg().iNoteOffVelocity);

   341 	return ETrue;

   342 	}

   343 

   344 TBool CMidiCustomCommandParser::DoPlaybackRateL(TMMFMessage& aMessage)

   345 	{

   346 	TInt playBackRate;

   347 	iImplementor.MmcPlaybackRateL(playBackRate);

   348 	TPckgBuf<TMMFMidiConfig3> pckg;

   349 	pckg().iPlayBackRate = playBackRate;

   350 	aMessage.WriteDataToClientL(pckg);

   351 	return ETrue;

   352 	}

   353 

   354 TBool CMidiCustomCommandParser::DoSetPlaybackRateL(TMMFMessage& aMessage)

   355 	{

   356 	TPckgBuf<TMMFMidiConfig3> pckg;

   357 	aMessage.ReadData1FromClientL(pckg);

   358 	iImplementor.MmcSetPlaybackRateL(pckg().iPlayBackRate);

   359 	return ETrue;

   360 	}

   361 

   362 TBool CMidiCustomCommandParser::DoMaxPlaybackRateL(TMMFMessage& aMessage)

   363 	{

   364 	TInt maxRate;

   365 	iImplementor.MmcMaxPlaybackRateL(maxRate);

   366 	TPckgBuf<TMMFMidiConfig3> pckg;

   367 	pckg().iPlayBackMaxRate = maxRate;

   368 	aMessage.WriteDataToClientL(pckg);

   369 	return ETrue;

   370 	}

   371 

   372 TBool CMidiCustomCommandParser::DoMinPlaybackRateL(TMMFMessage& aMessage)

   373 	{

   374 	TInt minRate;

   375 	iImplementor.MmcMinPlaybackRateL(minRate);

   376 	TPckgBuf<TMMFMidiConfig3> pckg;

   377 	pckg().iPlayBackMinRate = minRate;

   378 	aMessage.WriteDataToClientL(pckg);

   379 	return ETrue;

   380 	}

   381 

   382 TBool CMidiCustomCommandParser::DoTempoMicroBeatsPerMinuteL(TMMFMessage& aMessage)

   383 	{

   384 	TInt microBeatsPerMinute;

   385 	iImplementor.MmcTempoMicroBeatsPerMinuteL(microBeatsPerMinute);

   386 	TPckgBuf<TMMFMidiConfig1> pckg;

   387 	pckg().iTempo = microBeatsPerMinute;

   388 	aMessage.WriteDataToClientL(pckg);

   389 	return ETrue;

   390 	}

   391 

   392 TBool CMidiCustomCommandParser::DoSetTempoL(TMMFMessage& aMessage)

   393 	{

   394 	TPckgBuf<TMMFMidiConfig1> pckg;

   395 	aMessage.ReadData1FromClientL(pckg);

   396 	iImplementor.MmcSetTempoL(pckg().iTempo);

   397 	return ETrue;

   398 	}

   399 

   400 TBool CMidiCustomCommandParser::DoPitchTranspositionCentsL(TMMFMessage& aMessage)

   401 	{

   402 	TInt pitch;

   403 	iImplementor.MmcPitchTranspositionCentsL(pitch);

   404 	TPckgBuf<TMMFMidiConfig1> pckg;

   405 	pckg().iPitch = pitch;

   406 	aMessage.WriteDataToClientL(pckg);

   407 	return ETrue;

   408 	}

   409 

   410 TBool CMidiCustomCommandParser::DoSetPitchTranspositionL(TMMFMessage& aMessage)

   411 	{

   412 	TPckgBuf<TMMFMidiConfig1> pckg;

   413 	aMessage.ReadData1FromClientL(pckg);

   414 	TInt centsApplied;

   415 	iImplementor.MmcSetPitchTranspositionL(pckg().iPitch, centsApplied);

   416 	pckg().iPitch = centsApplied;

   417 	aMessage.WriteDataToClientL(pckg);

   418 	return ETrue;

   419 	}

   420 

   421 TBool CMidiCustomCommandParser::DoDurationMicroBeatsL(TMMFMessage& aMessage)

   422 	{

   423 	TInt64 duration;

   424 	iImplementor.MmcDurationMicroBeatsL(duration);

   425 	TPckgBuf<TMMFMidiConfig2> pckg;

   426 	pckg().iDurationMicroBeats = duration;

   427 	aMessage.WriteDataToClientL(pckg);

   428 	return ETrue;

   429 	}

   430 

   431 TBool CMidiCustomCommandParser::DoNumTracksL(TMMFMessage& aMessage)

   432 	{

   433 	TInt numTracks;

   434 	iImplementor.MmcNumTracksL(numTracks);

   435 	TPckgBuf<TMMFMidiConfig1> pckg;

   436 	pckg().iNumTracks = numTracks;

   437 	aMessage.WriteDataToClientL(pckg);

   438 	return ETrue;

   439 	}

   440 

   441 TBool CMidiCustomCommandParser::DoSetTrackMuteL(TMMFMessage& aMessage)

   442 	{

   443 	TPckgBuf<TMMFMidiConfig2> pckg;

   444 	aMessage.ReadData1FromClientL(pckg);

   445 	iImplementor.MmcSetTrackMuteL(pckg().iTrack, pckg().iMuted);

   446 	return ETrue;

   447 	}

   448 

   449 TBool CMidiCustomCommandParser::DoMimeTypeL(TMMFMessage& aMessage)

   450 	{

   451 	HBufC8* mimeType = HBufC8::NewL(KMimeTypeLength);

   452 	TPtr8 des = mimeType->Des();

   453 	CleanupStack::PushL(mimeType);

   454 	iImplementor.MmcMimeTypeL(des);

   455 	aMessage.WriteDataToClientL(des);

   456 	CleanupStack::PopAndDestroy();//mimeType

   457 	return ETrue;

   458 	}

   459 

   460 TBool CMidiCustomCommandParser::DoSetSyncUpdateCallbackIntervalL(TMMFMessage& aMessage)

   461 	{

   462 	TPckgBuf<TMMFMidiConfig3> pckg;

   463 	aMessage.ReadData1FromClientL(pckg);

   464 	iImplementor.MmcSetSyncUpdateCallbackIntervalL(pckg().iCallbackIntervalMicroSeconds, pckg().iCallbackIntervalMicroBeats);

   465 	return ETrue;

   466 	}

   467 

   468 TBool CMidiCustomCommandParser::DoSendMessageL(TMMFMessage& aMessage)

   469 	{

   470 	TPckgBuf<TMMFMidiConfig3> pckg;

   471 	aMessage.ReadData1FromClientL(pckg);

   472 	TInt bytesProcessed;

   473 	iImplementor.MmcSendMessageL(*(pckg().iMidiMessage), bytesProcessed);

   474 	pckg().iBytesProcessed = bytesProcessed;

   475 	aMessage.WriteDataToClientL(pckg);

   476 	return ETrue;

   477 	}

   478 

   479 TBool CMidiCustomCommandParser::DoSendMessageWithTimeStampL(TMMFMessage& aMessage)

   480 	{

   481 	TPckgBuf<TMMFMidiConfig3> pckg;

   482 	aMessage.ReadData1FromClientL(pckg);

   483 	TInt bytesProcessed;

   484 	iImplementor.MmcSendMessageL(*(pckg().iMidiMessage), pckg().iTimeStamp, bytesProcessed);

   485 	pckg().iBytesProcessed = bytesProcessed;

   486 	aMessage.WriteDataToClientL(pckg);

   487 	return ETrue;

   488 	}

   489 

   490 TBool CMidiCustomCommandParser::DoSendMipMessageL(TMMFMessage& aMessage)

   491 	{

   492 	TPckgBuf<TMMFMidiConfig1> pckg;

   493 	aMessage.ReadData1FromClientL(pckg);

   494 	iImplementor.MmcSendMipMessageL(*(pckg().iMipMessage));

   495 	return ETrue;

   496 	}

   497 

   498 TBool CMidiCustomCommandParser::DoNumberOfBanksL(TMMFMessage& aMessage)

   499 	{

   500 	TPckgBuf<TMMFMidiConfig2> pckg;

   501 	aMessage.ReadData1FromClientL(pckg);

   502 	TInt numBanks;

   503 	iImplementor.MmcNumberOfBanksL(pckg().iCustom, numBanks);

   504 	pckg().iNumBanks = numBanks;

   505 	aMessage.WriteDataToClientL(pckg);

   506 	return ETrue;

   507 	}

   508 

   509 TBool CMidiCustomCommandParser::DoGetBankIdL(TMMFMessage& aMessage)

   510 	{

   511 	TPckgBuf<TMMFMidiConfig2> pckg;

   512 	aMessage.ReadData1FromClientL(pckg);

   513 	TInt bankId;

   514 	iImplementor.MmcGetBankIdL(pckg().iCustom, pckg().iBankIndex, bankId);

   515 	pckg().iBankId = bankId;

   516 	aMessage.WriteDataToClientL(pckg);

   517 	return ETrue;

   518 	}

   519 

   520 TBool CMidiCustomCommandParser::DoLoadCustomBankL(TMMFMessage& aMessage)

   521 	{

   522 	TPckgBuf<TMMFMidiConfig2> pckg;

   523 	aMessage.ReadData1FromClientL(pckg);

   524 	TInt bankId;

   525 	iImplementor.MmcLoadCustomBankL(*(pckg().iFileName), bankId);

   526 	pckg().iBankId = bankId;

   527 	aMessage.WriteDataToClientL(pckg);

   528 	return ETrue;

   529 	}

   530 

   531 TBool CMidiCustomCommandParser::DoLoadCustomBankDataL(TMMFMessage& aMessage)

   532 	{

   533 	TPckgBuf<TMMFMidiConfig2> pckg;

   534 	aMessage.ReadData1FromClientL(pckg);

   535 	TInt bankId;

   536 	iImplementor.MmcLoadCustomBankDataL(*(pckg().iBankData), bankId);

   537 	pckg().iBankId = bankId;

   538 	aMessage.WriteDataToClientL(pckg);

   539 	return ETrue;

   540 	}

   541 

   542 TBool CMidiCustomCommandParser::DoUnloadCustomBankL(TMMFMessage& aMessage)

   543 	{

   544 	TPckgBuf<TMMFMidiConfig2> pckg;

   545 	aMessage.ReadData1FromClientL(pckg);

   546 	iImplementor.MmcUnloadCustomBankL(pckg().iBankId);

   547 	return ETrue;

   548 	}

   549 

   550 TBool CMidiCustomCommandParser::DoCustomBankLoadedL(TMMFMessage& aMessage)

   551 	{

   552 	TPckgBuf<TMMFMidiConfig2> pckg;

   553 	aMessage.ReadData1FromClientL(pckg);

   554 	TBool bankLoaded;

   555 	iImplementor.MmcCustomBankLoadedL(pckg().iBankId, bankLoaded);

   556 	pckg().iBankLoaded = bankLoaded;

   557 	aMessage.WriteDataToClientL(pckg);

   558 	return ETrue;

   559 	}

   560 

   561 TBool CMidiCustomCommandParser::DoUnloadAllCustomBanksL(TMMFMessage& /*aMessage*/)

   562 	{

   563 	iImplementor.MmcUnloadAllCustomBanksL();

   564 	return ETrue;

   565 	}

   566 

   567 TBool CMidiCustomCommandParser::DoNumberOfInstrumentsL(TMMFMessage& aMessage)

   568 	{

   569 	TPckgBuf<TMMFMidiConfig2> pckg;

   570 	aMessage.ReadData1FromClientL(pckg);

   571 	TInt numInstruments;

   572 	iImplementor.MmcNumberOfInstrumentsL(pckg().iBankId, pckg().iCustom, numInstruments);	

   573 	pckg().iNumInstruments = numInstruments;

   574 	aMessage.WriteDataToClientL(pckg);

   575 	return ETrue;

   576 	}

   577 

   578 TBool CMidiCustomCommandParser::DoGetInstrumentIdL(TMMFMessage& aMessage)

   579 	{

   580 	TPckgBuf<TMMFMidiConfig2> pckg;

   581 	aMessage.ReadData1FromClientL(pckg);

   582 	TInt instrumentId;

   583 	iImplementor.MmcGetInstrumentIdL(pckg().iBankId, pckg().iCustom, pckg().iInstrumentIndex, instrumentId);

   584 	pckg().iInstrumentId = instrumentId;

   585 	aMessage.WriteDataToClientL(pckg);

   586 	return ETrue;

   587 	}

   588 

   589 TBool CMidiCustomCommandParser::DoInstrumentNameL(TMMFMessage& aMessage)

   590 	{

   591 	TPckgBuf<TMMFMidiConfig2> pckg;

   592 	aMessage.ReadData1FromClientL(pckg);

   593 

   594 	// Prevent memory leaks by deleting old instrument name - something must have gone wrong in the client

   595 	// if it already exists

   596 	delete iInstrumentName;

   597 	iInstrumentName = NULL;

   598 

   599 	// Get the instrument name from the controller

   600 	const TDesC& instrumentName = iImplementor.MmcInstrumentNameL(pckg().iBankId, pckg().iCustom, pckg().iInstrumentId);

   601 

   602 	iInstrumentName = CBufFlat::NewL(32);

   603 	RBufWriteStream stream;

   604 	stream.Open(*iInstrumentName);

   605 	CleanupClosePushL(stream);

   606 	stream << instrumentName;

   607 	CleanupStack::PopAndDestroy();//s

   608 

   609 	// Write the size of the descriptor back to the client

   610 	TPckgBuf<TInt> descriptorSizePckg(iInstrumentName->Ptr(0).Length());	

   611 	aMessage.WriteDataToClientL(descriptorSizePckg);

   612 

   613 	return ETrue;

   614 	}

   615 

   616 TBool CMidiCustomCommandParser::DoCopyInstrumentNameL(TMMFMessage& aMessage)

   617 	{

   618 	if (!iInstrumentName)

   619 		User::Leave(KErrNotReady);

   620 

   621 	// Copy the instrument name back to the client

   622 	aMessage.WriteDataToClientL(iInstrumentName->Ptr(0));

   623 	delete iInstrumentName;

   624 	iInstrumentName = NULL;

   625 	return ETrue;

   626 	}

   627 

   628 TBool CMidiCustomCommandParser::DoSetInstrumentL(TMMFMessage& aMessage)

   629 	{

   630 	TPckgBuf<TMMFMidiConfig2> pckg;

   631 	aMessage.ReadData1FromClientL(pckg);

   632 	iImplementor.MmcSetInstrumentL(pckg().iChannel, pckg().iBankId, pckg().iInstrumentId);

   633 	return ETrue;

   634 	}

   635 

   636 TBool CMidiCustomCommandParser::DoLoadCustomInstrumentL(TMMFMessage& aMessage)

   637 	{

   638 	TPckgBuf<TMMFMidiConfig2> pckg;

   639 	aMessage.ReadData1FromClientL(pckg);

   640 	iImplementor.MmcLoadCustomInstrumentL(*(pckg().iFileName), pckg().iBankId, pckg().iInstrumentId, pckg().iMemoryBankId,  pckg().iMemoryInstrumentId);

   641 	return ETrue;

   642 	}

   643 

   644 TBool CMidiCustomCommandParser::DoLoadCustomInstrumentDataL(TMMFMessage& aMessage)

   645 	{

   646 	TPckgBuf<TMMFMidiConfig2> pckg;

   647 	aMessage.ReadData1FromClientL(pckg);

   648 	iImplementor.MmcLoadCustomInstrumentDataL(*(pckg().iInstrumentData), pckg().iBankId, pckg().iInstrumentId, pckg().iMemoryBankId,  pckg().iMemoryInstrumentId);

   649 	return ETrue;

   650 	}

   651 

   652 TBool CMidiCustomCommandParser::DoUnloadCustomInstrumentL(TMMFMessage& aMessage)

   653 	{

   654 	TPckgBuf<TMMFMidiConfig2> pckg;

   655 	aMessage.ReadData1FromClientL(pckg);

   656 	iImplementor.MmcUnloadCustomInstrumentL(pckg().iBankId, pckg().iInstrumentId);

   657 	return ETrue;

   658 	}

   659 

   660 TBool CMidiCustomCommandParser::DoPercussionKeyNameL(TMMFMessage& aMessage)

   661 	{

   662 	TPckgBuf<TMMFMidiConfig2> pckg;

   663 	aMessage.ReadData1FromClientL(pckg);

   664 

   665 	// Prevent memory leaks by deleting old key name - something must have gone wrong in the client

   666 	// if it already exists

   667 	delete iPercussionKeyName;

   668 	iPercussionKeyName = NULL;

   669 

   670 	const TDesC& percussionKeyName = iImplementor.MmcPercussionKeyNameL(pckg().iNote, pckg().iBankId, pckg().iCustom, pckg().iInstrumentId);

   671 

   672 	iPercussionKeyName = CBufFlat::NewL(32);

   673 	RBufWriteStream stream;

   674 	stream.Open(*iPercussionKeyName);

   675 	CleanupClosePushL(stream);

   676 	stream << percussionKeyName;

   677 	CleanupStack::PopAndDestroy();//s

   678 

   679 	// Write the size of the descriptor back to the client

   680 	TPckgBuf<TInt> descriptorSizePckg(iPercussionKeyName->Ptr(0).Length());	

   681 	aMessage.WriteDataToClientL(descriptorSizePckg);	

   682 	

   683 	return ETrue;

   684 	}

   685 

   686 

   687 TBool CMidiCustomCommandParser::DoCopyPercussionKeyNameL(TMMFMessage& aMessage)

   688 	{

   689 	if (!iPercussionKeyName)

   690 		User::Leave(KErrNotReady);

   691 

   692 	// Copy the instrument name back to the client

   693 	aMessage.WriteDataToClientL(iPercussionKeyName->Ptr(0));

   694 	delete iPercussionKeyName;

   695 	iPercussionKeyName = NULL;

   696 	return ETrue;

   697 	}

   698 

   699 

   700 TBool CMidiCustomCommandParser::DoStopTimeL(TMMFMessage& aMessage)

   701 	{

   702 	TTimeIntervalMicroSeconds stopTime;

   703 	iImplementor.MmcStopTimeL(stopTime);

   704 	TPckgBuf<TMMFMidiConfig2> pckg;

   705 	pckg().iStopTime = stopTime;

   706 	aMessage.WriteDataToClientL(pckg);

   707 	return ETrue;

   708 	}

   709 

   710 TBool CMidiCustomCommandParser::DoSetStopTimeL(TMMFMessage& aMessage)

   711 	{

   712 	TPckgBuf<TMMFMidiConfig2> pckg;

   713 	aMessage.ReadData1FromClientL(pckg);

   714 	iImplementor.MmcSetStopTimeL(pckg().iStopTime);

   715 	return ETrue;

   716 	}

   717 

   718 TBool CMidiCustomCommandParser::DoPolyphonyL(TMMFMessage& aMessage)

   719 	{

   720 	TInt numNotes;

   721 	iImplementor.MmcPolyphonyL(numNotes);

   722 	TPckgBuf<TMMFMidiConfig1> pckg;

   723 	pckg().iNumNotes = numNotes;

   724 	aMessage.WriteDataToClientL(pckg);

   725 	return ETrue;

   726 	}

   727 

   728 TBool CMidiCustomCommandParser::DoMaxPolyphonyL(TMMFMessage& aMessage)

   729 	{

   730 	TInt maxNotes;

   731 	iImplementor.MmcMaxPolyphonyL(maxNotes);

   732 	TPckgBuf<TMMFMidiConfig1> pckg;

   733 	pckg().iMaxNotes = maxNotes;

   734 	aMessage.WriteDataToClientL(pckg);

   735 	return ETrue;

   736 	}

   737 

   738 TBool CMidiCustomCommandParser::DoChannelsSupportedL(TMMFMessage& aMessage)

   739 	{

   740 	TInt channels;

   741 	iImplementor.MmcChannelsSupportedL(channels);

   742 	TPckgBuf<TMMFMidiConfig2> pckg;

   743 	pckg().iChannel = channels;

   744 	aMessage.WriteDataToClientL(pckg);

   745 	return ETrue;

   746 	}

   747 

   748 TBool CMidiCustomCommandParser::DoChannelVolumeL(TMMFMessage& aMessage)

   749 	{

   750 	TPckgBuf<TMMFMidiConfig2> pckg;

   751 	aMessage.ReadData1FromClientL(pckg);

   752 	TReal32 channelVol;

   753 	iImplementor.MmcChannelVolumeL(pckg().iChannel, channelVol);

   754 	pckg().iChannelVol = channelVol;

   755 	aMessage.WriteDataToClientL(pckg);

   756 	return ETrue;

   757 	}

   758 

   759 TBool CMidiCustomCommandParser::DoMaxChannelVolumeL(TMMFMessage& aMessage)

   760 	{

   761 	TReal32 maxVol;

   762 	iImplementor.MmcMaxChannelVolumeL(maxVol);

   763 	TPckgBuf<TMMFMidiConfig2> pckg;

   764 	pckg().iMaxChannelVol = maxVol;

   765 	aMessage.WriteDataToClientL(pckg);

   766 	return ETrue;

   767 	}

   768 

   769 TBool CMidiCustomCommandParser::DoSetChannelVolumeL(TMMFMessage& aMessage)

   770 	{

   771 	TPckgBuf<TMMFMidiConfig2> pckg;

   772 	aMessage.ReadData1FromClientL(pckg);

   773 	iImplementor.MmcSetChannelVolumeL(pckg().iChannel, pckg().iChannelVol);

   774 	return ETrue;

   775 	}

   776 

   777 TBool CMidiCustomCommandParser::DoSetChannelMuteL(TMMFMessage& aMessage)

   778 	{

   779 	TPckgBuf<TMMFMidiConfig2> pckg;

   780 	aMessage.ReadData1FromClientL(pckg);

   781 	iImplementor.MmcSetChannelMuteL(pckg().iChannel, pckg().iMuted);

   782 	return ETrue;

   783 	}

   784 

   785 TBool CMidiCustomCommandParser::DoVolumeL(TMMFMessage& aMessage)

   786 	{

   787 	TInt vol;  

   788 	iImplementor.MmcVolumeL(vol);

   789 	TPckgBuf<TMMFMidiConfig1> pckg;

   790 	pckg().iVolume = vol;

   791 	aMessage.WriteDataToClientL(pckg);

   792 	return ETrue;

   793 	}

   794 

   795 TBool CMidiCustomCommandParser::DoMaxVolumeL(TMMFMessage& aMessage)

   796 	{

   797 	TInt maxVol;

   798 	iImplementor.MmcMaxVolumeL(maxVol);

   799 	TPckgBuf<TMMFMidiConfig1> pckg;

   800 	pckg().iMaxVolume = maxVol;

   801 	aMessage.WriteDataToClientL(pckg);

   802 	return ETrue;

   803 	}

   804 

   805 TBool CMidiCustomCommandParser::DoSetVolumeL(TMMFMessage& aMessage)

   806 	{

   807 	TPckgBuf<TMMFMidiConfig1> pckg;

   808 	aMessage.ReadData1FromClientL(pckg);

   809 	iImplementor.MmcSetVolumeL(pckg().iVolume);

   810 	return ETrue;

   811 	}

   812 

   813 TBool CMidiCustomCommandParser::DoSetVolumeRampL(TMMFMessage& aMessage)

   814 	{

   815 	TPckgBuf<TMMFMidiConfig1> pckg;

   816 	aMessage.ReadData1FromClientL(pckg);

   817 	iImplementor.MmcSetVolumeRampL(pckg().iRampDuration);

   818 	return ETrue;

   819 	}

   820 

   821 TBool CMidiCustomCommandParser::DoGetBalanceL(TMMFMessage& aMessage)

   822 	{

   823 	TInt balance;

   824 	iImplementor.MmcGetBalanceL(balance);

   825 	TPckgBuf<TMMFMidiConfig1> pckg;

   826 	pckg().iBalance = balance;

   827 	aMessage.WriteDataToClientL(pckg);

   828 	return ETrue;

   829 	}

   830 

   831 TBool CMidiCustomCommandParser::DoSetBalanceL(TMMFMessage& aMessage)

   832 	{

   833 	TPckgBuf<TMMFMidiConfig1> pckg;

   834 	aMessage.ReadData1FromClientL(pckg);

   835 	iImplementor.MmcSetBalanceL(pckg().iBalance);

   836 	return ETrue;

   837 	}

   838 

   839 TBool CMidiCustomCommandParser::DoSetMaxPolyphonyL(TMMFMessage& aMessage)

   840 	{

   841 	TPckgBuf<TMMFMidiConfig1> pckg;

   842 	aMessage.ReadData1FromClientL(pckg);

   843 	iImplementor.MmcSetMaxPolyphonyL(pckg().iMaxNotes);

   844 	return ETrue;

   845 	}

   846 

   847 TBool CMidiCustomCommandParser::DoGetRepeatsL(TMMFMessage& aMessage)

   848 	{

   849 	TInt numRepeats;

   850 	iImplementor.MmcGetRepeatsL(numRepeats);

   851 	TPckgBuf<TMMFMidiConfig1> pckg;

   852 	pckg().iNumRepeats = numRepeats;

   853 	aMessage.WriteDataToClientL(pckg);

   854 	return ETrue;

   855 	}

   856 

   857 TBool CMidiCustomCommandParser::DoSetRepeatsL(TMMFMessage& aMessage)

   858 	{

   859 	TPckgBuf<TMMFMidiConfig3> pckg;

   860 	aMessage.ReadData1FromClientL(pckg);

   861 	iImplementor.MmcSetRepeatsL(pckg().iRepeatNumberOfTimes, pckg().iTrailingSilence);

   862 	return ETrue;

   863 	}

   864 

   865 TBool CMidiCustomCommandParser::DoSetBankL(TMMFMessage& aMessage)

   866 	{

   867 	TPckgBuf<TMMFMidiConfig2> pckg;

   868 	aMessage.ReadData1FromClientL(pckg);

   869 	iImplementor.MmcSetBankL(pckg().iCustom);

   870 	return ETrue;

   871 	}

   872 

   873 TBool CMidiCustomCommandParser::DoIsTrackMuteL(TMMFMessage& aMessage)

   874 	{

   875 	TPckgBuf<TMMFMidiConfig2> pckg;

   876 	aMessage.ReadData1FromClientL(pckg);

   877 	TBool mute;

   878 	iImplementor.MmcIsTrackMuteL(pckg().iTrack, mute);

   879 	pckg().iMuted = mute;

   880 	aMessage.WriteDataToClientL(pckg);

   881 	return ETrue;

   882 	}

   883 

   884 TBool CMidiCustomCommandParser::DoIsChannelMuteL(TMMFMessage& aMessage)

   885 	{

   886 	TPckgBuf<TMMFMidiConfig2> pckg;

   887 	aMessage.ReadData1FromClientL(pckg);

   888 	TBool mute;

   889 	iImplementor.MmcIsChannelMuteL(pckg().iChannel, mute);

   890 	pckg().iMuted = mute;

   891 	aMessage.WriteDataToClientL(pckg);

   892 	return ETrue;

   893 	}

   894 

   895 TBool CMidiCustomCommandParser::DoGetInstrumentL(TMMFMessage& aMessage)

   896 	{

   897 	TPckgBuf<TMMFMidiConfig2> pckg;

   898 	aMessage.ReadData1FromClientL(pckg);

   899 	TInt instrumentId;

   900 	TInt bankId;

   901 	iImplementor.MmcGetInstrumentL(pckg().iChannel, instrumentId, bankId);

   902 	pckg().iInstrumentId = instrumentId;

   903 	pckg().iBankId = bankId;

   904 	aMessage.WriteDataToClientL(pckg);

   905 	return ETrue;

   906 	}

   907 

   908 TBool CMidiCustomCommandParser::DoCloseL(TMMFMessage& /*aMessage*/)

   909 	{

   910 	iImplementor.MmcCloseL();

   911 	return ETrue;

   912 	}

   913 

   914 TBool CMidiCustomCommandParser::DoStopL(TMMFMessage& aMessage)

   915 	{

   916 	TPckgBuf<TMMFMidiConfig1> pckg;

   917 	aMessage.ReadData1FromClientL(pckg);

   918 	iImplementor.MmcStopL(pckg().iFadeOutDuration);

   919 	return ETrue;

   920 	}

   921 

   922 TBool CMidiCustomCommandParser::DoReceiveEventsL(TMMFMessage& aMessage)

   923 	{

   924 	if (iMidiEventReceiver)

   925 		{

   926 		if (iMidiEventReceiver->IsWaitingToSendEvent())

   927 			{

   928 			//Something must have gone wrong in the client

   929 			// - we're waiting to get a RetrieveEvent() call, but it didn't come.

   930 			// So, delete the existing event receiver

   931 			delete iMidiEventReceiver;

   932 			iMidiEventReceiver = NULL;

   933 			}

   934 		else

   935 			{

   936 			User::Leave(KErrAlreadyExists);

   937 			}

   938 		}

   939 	ASSERT(!iMidiEventReceiver);

   940 	iMidiEventReceiver = CMidiEventReceiver::NewL(aMessage);

   941 	//send the next cached event (if any) to the client

   942 	if (iMidiEvents.Count() > 0)

   943 		{

   944 		CMMFMidiEvent* midiEvent = iMidiEvents[0];

   945 		iMidiEventReceiver->PrepareEventL(*midiEvent);

   946 		iMidiEvents.Remove(0);

   947 		delete midiEvent;

   948 		}

   949 	return EFalse;

   950 	}

   951 

   952 TBool CMidiCustomCommandParser::DoRetrieveEventL(TMMFMessage& aMessage)

   953 	{

   954 	if (iMidiEventReceiver)

   955 		{

   956 		iMidiEventReceiver->SendEventL(aMessage);

   957 		delete iMidiEventReceiver;

   958 		iMidiEventReceiver = NULL;

   959 		}

   960 	else

   961 		{

   962 		User::Leave(KErrNotReady);

   963 		}

   964 

   965 	return ETrue;

   966 	}

   967 

   968 /**

   969 Sent a MIDI event back to the client.

   970 

   971 @param aEvent MIDI event to be sent to the client.

   972 @return One of the system-wide error codes.

   973 */

   974 TInt CMidiCustomCommandParser::SendMidiEventToClient(const CMMFMidiEvent& aEvent)

   975 	{

   976 	TInt error = KErrNone;

   977 	if (iMidiEventReceiver && !iMidiEventReceiver->IsWaitingToSendEvent())

   978 		{

   979 		//prepare to send event to client

   980 		TRAP(error, iMidiEventReceiver->PrepareEventL(aEvent));

   981 		}

   982 	else

   983 		{

   984 		//queue the request for later

   985 		CMMFMidiEvent* midiEvent = new CMMFMidiEvent();

   986 		if (!midiEvent)

   987 			return KErrNoMemory;

   988 

   989 		// coverity[leave_without_push]

   990 		TRAP(error, midiEvent->CopyL(aEvent));

   991 		//if we've exceeded the max number of cached messages, delete the first and append this one to the end

   992 		if (!error)

   993 			{

   994 			error = iMidiEvents.Append(midiEvent);

   995 			}

   996 

   997 		if(error != KErrNone)

   998 			delete midiEvent;

   999 		}

  1000 	return error;

  1001 	}

  1002 

  1003 

  1004 TBool CMidiCustomCommandParser::DoCancelReceiveEventsL(TMMFMessage& /*aMessage*/)

  1005 	{

  1006 	delete iMidiEventReceiver;

  1007 	iMidiEventReceiver = NULL;

  1008 	return ETrue;

  1009 	}
Symaptic