Symaptic: os/mm/devsound/a3fdevsound/src/mmfdevsoundproxy/mmfdevsoundcallbackhandler.cpp@260cb5ec6c19

     1 // Copyright (c) 2006-2009 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 //

    18 // INCLUDE FILES

    19 #include "mmfdevsoundproxy.h"

    20 #include "mmfdevsoundcallbackhandler.h"

    21 #ifdef _DEBUG

    22 #include <e32debug.h>

    24 #define SYMBIAN_DEBPRN0(str)                RDebug::Print(str, this)

    25 #define SYMBIAN_DEBPRN1(str, val1)          RDebug::Print(str, this, val1)

    26 #define SYMBIAN_DEBPRN2(str, val1, val2)    RDebug::Print(str, this, val1, val2)

    27 #else

    28 #define SYMBIAN_DEBPRN0(str)

    29 #define SYMBIAN_DEBPRN1(str, val1)

    30 #define SYMBIAN_DEBPRN2(str, val1, val2)

    31 #endif //_DEBUG

    33 // ============================ MEMBER FUNCTIONS ==============================

    35 // ----------------------------------------------------------------------------

    36 // CMsgQueueHandler::NewL

    37 // Two-phased constructor.

    38 // ----------------------------------------------------------------------------

    39 //

    40 CMsgQueueHandler* CMsgQueueHandler::NewL(

    41 						RMMFDevSoundProxy* aDevSoundProxy,

    42 						MDevSoundObserver& aDevSoundObserver,

    43 						RMsgQueue<TMMFDevSoundQueueItem>* aMsgQueue,

    44 						MMMFDevSoundCustomInterfaceObserver& aDevSoundCIObserver)

    45 	{

    46 	CMsgQueueHandler* self = new(ELeave) CMsgQueueHandler(aDevSoundProxy,

    47 														aDevSoundObserver,

    48 														aMsgQueue,

    49 														aDevSoundCIObserver);

    50 	CleanupStack::PushL(self);

    51 	self->ConstructL();

    52 	CleanupStack::Pop(self);

    53 	return self;

    54 	}

    56 // ----------------------------------------------------------------------------

    57 // CMsgQueueHandler::CMsgQueueHandler

    58 // C++ default constructor can NOT contain any code, that might leave.

    59 // ----------------------------------------------------------------------------

    60 //

    61 CMsgQueueHandler::CMsgQueueHandler (RMMFDevSoundProxy* aDevSoundProxy,

    62 									MDevSoundObserver& aDevSoundObserver,

    63 									RMsgQueue<TMMFDevSoundQueueItem>* aMsgQueue,

    64 									MMMFDevSoundCustomInterfaceObserver& aDevSoundCIObserver)

    65 :	CActive(EPriorityStandard),

    66 	iDevSoundProxy(aDevSoundProxy),

    67 	iDevSoundObserver(aDevSoundObserver),

    68 	iMsgQueue(aMsgQueue),

    69 	iChunkDataPtr(0, 0, 0),

    70 	iDevSoundCIObserver(aDevSoundCIObserver)

    71 	{

    72 	CActiveScheduler::Add(this);

    73 	}

    75 // ----------------------------------------------------------------------------

    76 // CMsgQueueHandler::ConstructL

    77 // Symbian 2nd phase constructor can leave.

    78 // ----------------------------------------------------------------------------

    79 //

    80 void CMsgQueueHandler::ConstructL()

    81 	{

    82 	iEmptyBuffer = CMMFDescriptorBuffer::NewL(0);

    83 	iAsyncQueueFinish = new (ELeave) CAsyncCallBack(CActive::EPriorityStandard);

    84 	TCallBack asyncCallback(AsyncQueueFinishCallback, this);

    85 	iAsyncQueueFinish->Set(asyncCallback);

    86 	}

    88 // ----------------------------------------------------------------------------

    89 // CMsgQueueHandler::~CMsgQueueHandler

    90 // Destructor.

    91 // ----------------------------------------------------------------------------

    92 //

    93 CMsgQueueHandler::~CMsgQueueHandler()

    94 	{

    95 	Cancel();

    96 	if ( iMsgQueue )

    97 		{

    98 		iMsgQueue->Close();

    99 		}

   100 	iChunk.Close();

   102 	delete iDataBuffer;

   103 	delete iEmptyBuffer;

   104 	delete iAsyncQueueFinish;

   105 	}

   107 // ----------------------------------------------------------------------------

   108 // CMsgQueueHandler::ReceiveEvents

   109 // Subscribes for Play Error event from the DevSound server.

   110 // ----------------------------------------------------------------------------

   111 //

   112 void CMsgQueueHandler::ReceiveEvents()

   113 	{

   114     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::ReceiveEvents - Enter"));

   115     if (!IsActive())

   116 		{

   117 		iMsgQueue->NotifyDataAvailable(iStatus);

   118 		SetActive();

   119 		}

   120     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::ReceiveEvents - Exit"));

   121 	}

   123 // ----------------------------------------------------------------------------

   124 // CMsgQueueHandler::RunL

   125 // Handles active object’s request completion event.

   126 //

   127 // ----------------------------------------------------------------------------

   128 //

   129 void CMsgQueueHandler::RunL()

   130 	{

   131     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::RunL - Enter"));

   132     TInt err = iMsgQueue->Receive(iCurrentItem);

   134 	if (err == KErrNone || err == KErrUnderflow)

   135 		{

   136 		// Signal that we're ready to process the next message

   137 		ReceiveEvents();

   138 		}

   140 	if (err == KErrNone)

   141 		{

   142 		switch (iCurrentItem.iRequest)

   143 			{

   144 			case EMMFDevSoundProxyICEvent:

   145 				{

   146 				DoInitComplete();

   147 				break;

   148 				}

   149 			case EMMFDevSoundProxyBTBFEvent:

   150 				{

   151 				iAsyncQueueFinish->Cancel(); // if still active, means previous cycle did not Finish(). Cancel.

   152 				TRAP(err, DoBTBFCompleteL());

   153 				if (err)

   154 					{

   155 					iAsyncQueueFinish->CallBack(); // async call to Finish()

   156 					iDevSoundObserver.PlayError(err);

   157 					}

   158 				}

   159 				break;

   160 			case EMMFDevSoundProxyBTBEEvent:

   161 				{

   162 				iAsyncQueueFinish->Cancel(); // if still active, means previous cycle did not Finish(). Cancel.

   163 				TRAP(err, DoBTBECompleteL());

   164 				if (err)

   165 					{

   166 					iAsyncQueueFinish->CallBack(); // async call to Finish()

   167 					iDevSoundObserver.RecordError(err);

   168 					}

   169 				}

   170 				break;

   171 			case EMMFDevSoundProxyPEEvent:

   172 				{

   173 				if (iCurrentItem.iErrorCode == KErrDied ||

   174 					iCurrentItem.iErrorCode == KErrNotReady)

   175 					{

   176 					DoPlayErrorComplete();

   177 					// "this" pointer is no longer valid here as the associated

   178 					// instance of the DevSound has been deleted along with this

   179 					// CMsgQueueHandler object. So, we can only return here.

   180 					return;

   181 					}

   182 				else

   183 					{

   184 					DoPlayErrorComplete();

   185 					break;

   186 					}

   187 				}

   188 			case EMMFDevSoundProxyREEvent:

   189 				{

   190 				DoRecordErrorComplete();

   191 				break;

   192 				}

   193 			case EMMFDevSoundProxyTFEvent:

   194 				{

   195 				DoToneFinishedComplete();

   196 				break;

   197 				}

   198 			case EMMFDevSoundProxySETCEvent:

   199 				{

   200 				DoSendEventToClientComplete();

   201 				break;

   202 				}

   203 			case EMMFDevSoundCustomCommandCloseMuxDemuxPair:

   204 				{

   205 				TMMFEvent pckgevent = iCurrentItem.iEventPckg();

   206 				TInt handle = pckgevent.iEventType.iUid;

   207 				iDevSoundCIObserver.CloseCustomInterface(handle);

   208 				break;

   209 				}

   210 			case EMMFDevSoundProxyPausedRecordCompleteEvent:

   211 				{

   212 				DoPausedRecordComplete();

   213 				break;

   214 				}

   215 			default:

   216 				{

   217 				break;

   218 				}

   219 			}

   220 		}

   221 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::RunL - Exit"));

   222 	}

   224 // ----------------------------------------------------------------------------

   225 // CMsgQueueHandler::RunError

   226 // Called by CActive object framework if RunL leaves.

   227 // ----------------------------------------------------------------------------

   228 //

   229 TInt CMsgQueueHandler::RunError(TInt aError)

   230 	{

   231     SYMBIAN_DEBPRN1(_L("CMsgQueueHandler[0x%x]::RunError - Enter. Error [%d]"), aError);

   232     TMMFEvent event;

   233 	event.iErrorCode = aError;

   234 	iDevSoundObserver.SendEventToClient(event);

   235 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::RunError - Exit"));

   236 	return KErrNone;

   237 	}

   239 // ----------------------------------------------------------------------------

   240 // CMsgQueueHandler::DoCancel

   241 // Called when client cancels the wait for a completion of an outstanding

   242 // request.

   243 // ----------------------------------------------------------------------------

   244 //

   245 void CMsgQueueHandler::DoCancel()

   246 	{

   247     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoCancel - Enter"));

   248     iMsgQueue->CancelDataAvailable();

   249     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoCancel - Exit"));

   250 	}

   252 // ----------------------------------------------------------------------------

   253 // CMsgQueueHandler::DoInitComplete

   254 // Handles initialization completion event.

   255 // ----------------------------------------------------------------------------

   256 //

   257 void CMsgQueueHandler::DoInitComplete()

   258 	{

   259     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoInitComplete - Enter"));

   260     iDevSoundObserver.InitializeComplete(iCurrentItem.iErrorCode);

   261     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoInitComplete - Exit"));

   262 	}

   264 // ----------------------------------------------------------------------------

   265 // CMsgQueueHandler::DoPlayErrorComplete

   266 // Handles play completion or cancel event.

   267 // ----------------------------------------------------------------------------

   268 //

   269 void CMsgQueueHandler::DoPlayErrorComplete()

   270 	{

   271     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoPlayErrorComplete - Enter"));

   272     iAsyncQueueFinish->CallBack(); // async call to Finish()

   273 	iDevSoundObserver.PlayError(iCurrentItem.iErrorCode);

   274 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoPlayErrorComplete - Exit"));

   275 	}

   277 // ----------------------------------------------------------------------------

   278 // CMsgQueueHandler::DoBTBFCompleteL

   279 // Handles CMMFDevSound object's data request event to supply CMMFDevSound

   280 // with the buffer that it needs to play.

   281 // ----------------------------------------------------------------------------

   282 //

   283 void CMsgQueueHandler::DoBTBFCompleteL()

   284 	{

   285     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoBTBFCompleteL - Enter"));

   286     // Returns either chunk handle or NULL

   287 	// any error is assumed to be due to a pending PlayError(), so the error here is ignored - the PlayError() call will ensure the client remains lively

   288 	// the chunk has been closed by the server. No action should be taken.

   289 	TBool requestChunk = iDataBuffer==NULL; // if we have no buffer, tell server we need a chunk handle

   290 	TInt handle = iDevSoundProxy->BufferToBeFilledData(requestChunk, iSetPckg);

   291 	if(handle >= KErrNone)

   292 		{

   293 		if ( iSetPckg().iChunkOp == EOpen )

   294 			{

   295 			AssignDataBufferToChunkL(handle);

   296 			}

   297 		else

   298 			{

   299 			UpdateDataBufferL();

   300 			}

   301 		iDataBuffer->SetStatus(EAvailable);

   303 		// Let the MMF fill the buffer with data

   305 		iDevSoundObserver.BufferToBeFilled(iDataBuffer);

   306 		}

   307 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoBTBFCompleteL - Exit"));

   308 	}

   310 // ----------------------------------------------------------------------------

   311 // CMsgQueueHandler::DoBTBECompleteL

   312 // Handles CMMFDevSound object's data request event to supply CMMFDevSound

   313 // with the buffer that it needs to record.

   314 // ----------------------------------------------------------------------------

   315 //

   316 void CMsgQueueHandler::DoBTBECompleteL()

   317 	{

   318     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoBTBECompleteL - Enter"));

   319     // Returns either chunk handle or NULL

   320 	// any error is assumed to be due to a pending RecordError(), so the error here is ignored - the RecordError() call will ensure the client remains lively

   321 	// the chunk has been closed by the server. No action should be taken.

   322 	TInt handle = iDevSoundProxy->BufferToBeEmptiedData(iSetPckg);

   323 	if(handle >= KErrNone)

   324 		{

   325 		if ( iSetPckg().iChunkOp == EOpen )

   326 			{

   327 			AssignDataBufferToChunkL(handle);

   328 			}

   329 		iDataBuffer->SetStatus(EFull);

   330 		iDataBuffer->Data().SetLength(iSetPckg().iRequestSize);

   331 		iDevSoundObserver.BufferToBeEmptied(iDataBuffer);

   332 		}

   333 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoBTBECompleteL - Exit"));

   334 	}

   336 // ----------------------------------------------------------------------------

   337 // CMsgQueueHandler::DoRecordErrorComplete

   338 // Handles record completion or cancel event.

   339 // ----------------------------------------------------------------------------

   340 //

   341 void CMsgQueueHandler::DoRecordErrorComplete()

   342 	{

   343     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoRecordErrorComplete - Enter"));

   344     iAsyncQueueFinish->CallBack(); // async call to Finish()

   345 	iDevSoundObserver.RecordError(iCurrentItem.iErrorCode);

   346 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoRecordErrorComplete - Exit"));

   347 	}

   349 // ----------------------------------------------------------------------------

   350 // CMsgQueueHandler::DoToneFinishedComplete

   351 // Handles tone play completion event.

   352 // ----------------------------------------------------------------------------

   353 //

   354 void CMsgQueueHandler::DoToneFinishedComplete()

   355 	{

   356     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoToneFinishedComplete - Enter"));

   357     iDevSoundObserver.ToneFinished(iCurrentItem.iErrorCode);

   358     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoToneFinishedComplete - Exit"));

   359 	}

   361 // ----------------------------------------------------------------------------

   362 // CMsgQueueHandler::DoSendEventToClientComplete

   363 // Sends DevSound server event completion notification to the client.

   364 // ----------------------------------------------------------------------------

   365 //

   366 void CMsgQueueHandler::DoSendEventToClientComplete()

   367 	{

   368     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoSendEventToClientComplete - Enter"));

   369     iDevSoundObserver.SendEventToClient(iCurrentItem.iEventPckg());

   370     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoSendEventToClientComplete - Exit"));

   371 	}

   373 // ----------------------------------------------------------------------------

   374 // CMsgQueueHandler::DoPausedRecordComplete

   375 // Handles CMMFDevSound object's data request event to supply CMMFDevSound

   376 // with the last buffer that it needs to record.

   377 // ----------------------------------------------------------------------------

   378 //

   379 void CMsgQueueHandler::DoPausedRecordComplete()

   380 	{

   381     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoPausedRecordComplete - Enter"));

   382     ASSERT(iEmptyBuffer);

   383 	iEmptyBuffer->SetLastBuffer(ETrue);

   384 	iDevSoundObserver.BufferToBeEmptied(iEmptyBuffer);

   385 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoPausedRecordComplete - Exit"));

   386 	}

   388 // ----------------------------------------------------------------------------

   389 // CMsgQueueHandler::AssignDataBufferToChunkL

   390 // Updates chunk handle.

   391 // ----------------------------------------------------------------------------

   392 //

   393 void CMsgQueueHandler::AssignDataBufferToChunkL(TInt aHandle)

   394 	{

   395     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::AssignDataBufferToChunkL - Enter"));

   396     if ( iChunk.Handle() )

   397 		{

   398 		iChunk.Close();

   399 		}

   400 	User::LeaveIfError(iChunk.SetReturnedHandle(aHandle));

   401 	// Adjust ptr to map only requested size

   402 	// The existing clients should handle TPtr with length zero and max length

   403 	// iSetPckg().iBufferSize.

   404 	// When we make sure every client handles it, replace second parameter with

   405 	// zero.

   406 	//iChunkDataPtr.Set(iChunk.Base(), 0, iSetPckg().iBufferSize);

   407 	iChunkDataPtr.Set(iChunk.Base(), iSetPckg().iBufferSize, iSetPckg().iBufferSize);

   408 	if (!iDataBuffer)

   409 		{

   410 		iDataBuffer = CMMFPtrBuffer::NewL();

   411 		}

   412 	UpdateDataBufferL();

   413 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::AssignDataBufferToChunkL - Exit"));

   414 	}

   416 void CMsgQueueHandler::UpdateDataBufferL()

   417 	{

   418     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::UpdateDataBufferL - Enter"));

   419     ASSERT(iDataBuffer); // to get here, we should have a data buffer

   420 	iDataBuffer->SetPtr(iChunkDataPtr);

   421 	iDataBuffer->SetRequestSizeL(iSetPckg().iRequestSize);

   422 	iDataBuffer->SetLastBuffer(EFalse);

   423 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::UpdateDataBufferL - Exit"));

   424 	}

   426 void CMsgQueueHandler::Finish()

   427 	{

   428     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::Finish - Enter"));

   429     if (iDataBuffer)

   430 		{

   431 		delete iDataBuffer;

   432 		iDataBuffer = NULL;

   433 		}

   434 	if (iChunk.Handle())

   435 		{

   436 		iChunk.Close();

   437 		}

   438 	SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::Finish - Exit"));

   439 	}

   441 // 	AsyncQueueStartCallback

   444 TInt CMsgQueueHandler::AsyncQueueFinishCallback(TAny* aPtr)

   445 	{

   446     CMsgQueueHandler* self = static_cast<CMsgQueueHandler*>(aPtr);

   447 	self->DoAsyncQueueFinishCallback();

   448 	return KErrNone;

   449 	}

   451 void CMsgQueueHandler::DoAsyncQueueFinishCallback()

   452 	{

   453     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoAsyncQueueFinishCallback - Enter"));

   454     Finish();

   455     SYMBIAN_DEBPRN0(_L("CMsgQueueHandler[0x%x]::DoAsyncQueueFinishCallback - Exit"));

   456 	}

   459 // End of File

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--