Symaptic: os/mm/devsoundextensions/telephonyaudiorouting/Session/src/TelephonyAudioRoutingSession.cpp@bde4ae8d615e

     1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   This class is the main interface to the TelephonyAudioRoutingServer.

    15 *				 It implements the client-side session.

    16 *

    17 */

    21 #include <e32math.h>

    22 #include <s32mem.h>

    23 #include "TelephonyAudioRoutingClientServer.h"

    24 #include "TelephonyAudioRoutingSession.h"

    25 #include "TelephonyAudioRoutingRequest.h"

    26 #include "TelephonyAudioRoutingPolicyRequest.h"

    28 const TInt KReqSetOutput					= 0;

    29 const TInt KReqNotifyIfOutputChanged		= 1;

    30 const TInt KReqNotifyIfAvailOutputsChanged	= 2;

    31 const TInt KReqMaxSize 						= 3;

    33 // -----------------------------------------------------------------------------

    34 // RTelephonyAudioRoutingSession::RTelephonyAudioRoutingSession

    35 // C++ default constructor can NOT contain any code, that

    36 // might leave.

    37 // -----------------------------------------------------------------------------

    38 //

    39 EXPORT_C RTelephonyAudioRoutingSession::RTelephonyAudioRoutingSession()

    40 	: RSessionBase(), iConnected(EFalse)

    41     {

    42     // No implementation required

    44     }

    46 // -----------------------------------------------------------------------------

    47 // RTelephonyAudioRoutingSession::ConnectL

    48 // Connects a client to the  server

    49 // (other items were commented in a header).

    50 // -----------------------------------------------------------------------------

    51 //

    52 EXPORT_C TInt RTelephonyAudioRoutingSession::ConnectL(

    53 	CTelephonyAudioRouting& aAudioRouting,

    54 	MTelephonyAudioRoutingObserver& aObserver)

    55     {

    57     TELAUDRTNG_RDEBUG(_L("[TELAUDRTNG]\t TelephonyAudioRoutingSession::ConnectL "));

    59 	TInt retry=2;

    60   	TInt err = KErrGeneral;

    63 	for (;;)

    64 		{

    65 		err=CreateSession(KTelAudRtngServName,TVersion(0,0,0));

    66 		if (err!=KErrNotFound && err!=KErrServerTerminated && err!=KErrPermissionDenied)

    67 		break;

    69 		if (--retry==0)

    70 		break;

    71 		}

    73 	if ( err == KErrNone )

    74 		{

    75 		// Create active object receive handlers and add it to scheduler

    76 		TRAP(err, StartRequestHandlersL(aAudioRouting, aObserver));

    77 		if ( err == KErrNone )

    78 			{

    79 			iConnected = ETrue;

    80 			}

    82 		SendReceive(ETelAudRtngServInitialize, TIpcArgs());

    84 		}

    86 	return err;

    88     }

    90 // -----------------------------------------------------------------------------

    91 // RTelephonyAudioRoutingSession::Close

    92 // Closes connection to the server.

    93 // (other items were commented in a header).

    94 // -----------------------------------------------------------------------------

    95 //

    96 EXPORT_C void RTelephonyAudioRoutingSession::Close()

    97 	{

    98 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::Close "),this);

    99 	if ( iConnected )

   100 		{

   102 		for (TInt i = 0; i < KReqMaxSize; i++)

   103 		{

   104 			delete iRequests[i];

   105 		}

   106 		iRequests.Close();

   107 		iAvailableOutputs.Close();

   108 		RSessionBase::Close();

   109 		iConnected = EFalse;

   111 		}

   113 	}

   115 // -----------------------------------------------------------------------------

   116 // RTelephonyAudioRoutingSession::Version

   117 // Gets the client side version number.

   118 // (other items were commented in a header).

   119 // -----------------------------------------------------------------------------

   120 //

   121 EXPORT_C TVersion RTelephonyAudioRoutingSession::Version() const

   122     {

   123     return(TVersion(0,0,0));

   124     }

   126 // -----------------------------------------------------------------------------

   127 // RTelephonyAudioRoutingSession::GetDefaultValues

   128 // Gets default values for current audio output, previous audio output, and

   129 // show note mode from the server.

   130 // (other items were commented in a header).

   131 // -----------------------------------------------------------------------------

   132 //

   133 EXPORT_C void RTelephonyAudioRoutingSession::GetDefaultValuesL()

   134     {

   135 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::GetDefaultValuesL "),this);

   137 	User::LeaveIfError( SendReceive(ETelAudRtngServGetDefaultValues, TIpcArgs(&iDefaultValuePkg)) );

   139 	// Set session attributes with values retrieved from Server:

   140 	TTelephonyAudioRoutingDefaultParams defParams = iDefaultValuePkg();

   142 	CTelephonyAudioRouting::TAudioOutput currentAudioOutput = defParams.iCurrentAudio;

   143 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t GetDefaultValuesL: current audio output = %d "), currentAudioOutput);

   144 	iCurrentAudioOutputPkg() = currentAudioOutput;

   146 	CTelephonyAudioRouting::TAudioOutput previousAudioOutput = defParams.iPreviousAudio;

   147 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t GetDefaultValuesL: Previous audio output = %d "), previousAudioOutput);

   148 	iPreviousAudioOutputPkg() = previousAudioOutput;

   150 	TBool showNoteMode = defParams.iShowNoteMode;

   151 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t GetDefaultValuesL: showNoteMode = %d "), showNoteMode);

   152 	iShowNoteModePkg() = showNoteMode;

   154  	}

   156 // -----------------------------------------------------------------------------

   157 // RTelephonyAudioRoutingSession::SetOutput

   158 // Send a SetOutput request to server.

   159 // (other items were commented in a header).

   160 // -----------------------------------------------------------------------------

   161 //

   162 EXPORT_C void RTelephonyAudioRoutingSession::SetOutput(

   163 	CTelephonyAudioRouting::TAudioOutput aOutput, TBool aShowNote)

   164     {

   165 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::SetOutput "),this);

   167 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession::SetOutput: ShowNote = %d "), aShowNote);

   169 	iRequests[KReqSetOutput]->Cancel();

   171 	iCurrentAudioOutputPkg() = aOutput;

   172 	iPreviousAudioOutputPkg() = CTelephonyAudioRouting::ENone;

   173 	iErrPkg() = KErrNone;

   174 	iShowNoteModePkg() = aShowNote;

   176   	iRequests[KReqSetOutput]->SetActive();

   177 	SendReceive(ETelAudRtngServDoSetOutput, TIpcArgs(&iCurrentAudioOutputPkg, &iPreviousAudioOutputPkg, &iErrPkg, &iShowNoteModePkg), iRequests[KReqSetOutput]->iStatus);

   179     }

   181 // -----------------------------------------------------------------------------

   182 // RTelephonyAudioRoutingSession::GetAvailableOutputsL

   183 // Get the available audio outputs from the server.

   184 // (other items were commented in a header).

   185 // -----------------------------------------------------------------------------

   186 //

   187 EXPORT_C void RTelephonyAudioRoutingSession::GetAvailableOutputsL()

   188 	{

   189 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::GetAvailableOutputsL"),this);

   190 	iAvailableOutputs.Reset();

   192 	TPckgBuf<TInt> numOfOutputs;

   193 	User::LeaveIfError(SendReceive(ETelAudRtngServGetNoOutputs, TIpcArgs(&numOfOutputs)));

   194 	HBufC8* buf = HBufC8::NewLC(numOfOutputs()*sizeof(CTelephonyAudioRouting::TAudioOutput));

   195 	TPtr8 ptr = buf->Des();

   197 	User::LeaveIfError(SendReceive(ETelAudRtngServGetAvailableOutputs, TIpcArgs(&ptr)));

   198 	RDesReadStream stream(ptr);

   199 	CleanupClosePushL(stream);

   201 	for (TInt i=0; i<numOfOutputs(); i++)

   202 		{

   203 		TInt err = iAvailableOutputs.Append((CTelephonyAudioRouting::TAudioOutput)stream.ReadInt32L());

   204 		if (err)

   205 			{

   206 			iAvailableOutputs.Reset();

   207 			User::Leave(err);

   208 			}

   209 		}

   211 	CleanupStack::PopAndDestroy(2, buf);//stream, buf

   213 	}

   215 // -----------------------------------------------------------------------------

   216 // RTelephonyAudioRoutingSession::NotifyIfOutputChanged

   217 // Send a request to server to receive notification whenever current audio output changes.

   218 // (other items were commented in a header).

   219 // -----------------------------------------------------------------------------

   220 //

   221 EXPORT_C void RTelephonyAudioRoutingSession::NotifyIfOutputChanged()

   222 	{

   223 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::NotifyIfOutputChanged"),this);

   225 	iRequests[KReqNotifyIfOutputChanged]->Cancel();

   227 	SendReceive(ETelAudRtngServNotifyIfOutputChanged, TIpcArgs(&iCurrentAudioOutputPkg, &iPreviousAudioOutputPkg, &iErrPkg, &iShowNoteModePkg), iRequests[KReqNotifyIfOutputChanged]->iStatus);

   228 	iRequests[KReqNotifyIfOutputChanged]->SetActive();

   230 	}

   232 // -----------------------------------------------------------------------------

   233 // RTelephonyAudioRoutingSession::NotifyIfAvailableOutputsChanged

   234 // Send a request to server to receive notification whenever available audio output changes.

   235 // (other items were commented in a header).

   236 // -----------------------------------------------------------------------------

   237 //

   238 EXPORT_C void RTelephonyAudioRoutingSession::NotifyIfAvailableOutputsChanged()

   239 	{

   240 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::NotifyIfAvailbleOutputsChanged"),this);

   241 	iRequests[KReqNotifyIfAvailOutputsChanged]->Cancel();

   243 	SendReceive(ETelAudRtngServNotifyIfAvailOutputsChanged, TIpcArgs(&iCurrentAudioOutputPkg), iRequests[KReqNotifyIfAvailOutputsChanged]->iStatus);

   244 	iRequests[KReqNotifyIfAvailOutputsChanged]->SetActive();

   246 	}

   248 // -----------------------------------------------------------------------------

   249 // RTelephonyAudioRoutingSession::CancelRequest

   250 // Cancel a previously sent request.

   251 // aRequestOpcode = index into array as to which request object to cancel.

   252 // (other items were commented in a header).

   253 // -----------------------------------------------------------------------------

   254 //

   255 EXPORT_C void RTelephonyAudioRoutingSession::CancelRequest(TTelAudRtngServRqst aRequestOpcode)

   256 	{

   257 	TPckgBuf<TInt> request;

   258   	request() = aRequestOpcode;

   260 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t CTelephonyAudioRoutingSession::CancelRequest Number: %d"), aRequestOpcode);

   261 	SendReceive(ETelAudRtngServCancelRequest, TIpcArgs(&request));

   263 	}

   265 // -----------------------------------------------------------------------------

   266 // RTelephonyAudioRoutingSession::CurrentAudioOutputPkg

   267 // Accessor method returns iCurrentAudioOutputPkg to caller.

   268 // (other items were commented in a header).

   269 // -----------------------------------------------------------------------------

   270 //

   271 EXPORT_C TPckgBuf<CTelephonyAudioRouting::TAudioOutput>& RTelephonyAudioRoutingSession::CurrentAudioOutputPkg()

   272 	{

   273 		return iCurrentAudioOutputPkg;

   274 	}

   276 // -----------------------------------------------------------------------------

   277 // RTelephonyAudioRoutingSession::PreviousAudioOutputPkg

   278 // Accessor method returns iPreviousAudioOutputPkg to caller.

   279 // (other items were commented in a header).

   280 // -----------------------------------------------------------------------------

   281 //

   282 EXPORT_C TPckgBuf<CTelephonyAudioRouting::TAudioOutput>& RTelephonyAudioRoutingSession::PreviousAudioOutputPkg()

   283 	{

   284 		return iPreviousAudioOutputPkg;

   285 	}

   287 // -----------------------------------------------------------------------------

   288 // RTelephonyAudioRoutingSession::ErrPkg

   289 // Accessor method returns iErrPkg to caller.

   290 // (other items were commented in a header).

   291 // -----------------------------------------------------------------------------

   292 //

   293 EXPORT_C TPckgBuf<TInt>& RTelephonyAudioRoutingSession::ErrPkg()

   294 	{

   295 		return iErrPkg;

   296 	}

   298 // -----------------------------------------------------------------------------

   299 // RTelephonyAudioRoutingSession::AvailableOutputs

   300 // Accessor method returns iAvailableOutputs to caller.

   301 // (other items were commented in a header).

   302 // -----------------------------------------------------------------------------

   303 //

   304 EXPORT_C RArray<CTelephonyAudioRouting::TAudioOutput>& RTelephonyAudioRoutingSession::AvailableOutputs()

   305 	{

   306 		return iAvailableOutputs;

   307 	}

   309 // -----------------------------------------------------------------------------

   310 // RTelephonyAudioRoutingSession::StartRequestHandlersL

   311 // Start asynchronous request handlers.

   312 // (other items were commented in a header).

   313 // -----------------------------------------------------------------------------

   314 //

   315 void RTelephonyAudioRoutingSession::StartRequestHandlersL(

   316 	CTelephonyAudioRouting& aAudioRouting,

   317 	MTelephonyAudioRoutingObserver& aObserver )

   318 	{

   320 	CTelephonyAudioRoutingRequest* req = NULL;

   322 	req = CTelephonyAudioRoutingRequest::NewL(*this, aObserver, aAudioRouting, ETelAudRtngServDoSetOutput);

   323 	User::LeaveIfError( iRequests.Append(req) );

   325 	req = CTelephonyAudioRoutingRequest::NewL(*this, aObserver, aAudioRouting, ETelAudRtngServNotifyIfOutputChanged);

   326 	User::LeaveIfError( iRequests.Append(req) );

   328 	req = CTelephonyAudioRoutingRequest::NewL(*this, aObserver, aAudioRouting, ETelAudRtngServNotifyIfAvailOutputsChanged);

   329 	User::LeaveIfError( iRequests.Append(req) );

   331 	}

   333 // -----------------------------------------------------------------------------

   334 // RTelephonyAudioRoutingSession::SetShowNoteMode

   335 // Sets session flag iOkToGetShowNoteMode to indicate that it is OK to retrieve value of

   336 // iShowNoteMode from the server.

   337 // (other items were commented in a header).

   338 // -----------------------------------------------------------------------------

   339 //

   340 EXPORT_C void RTelephonyAudioRoutingSession::SetShowNoteMode()

   341 	{

   342 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::SetShowNoteMode"),this);

   343 	iOkToGetShowNoteMode = ETrue;

   344 	}

   346 // -----------------------------------------------------------------------------

   347 // RTelephonyAudioRoutingSession::ShowNoteMode

   348 // Provide caller with value of iShowNoteModePkg from server

   349 // (other items were commented in a header).

   350 // -----------------------------------------------------------------------------

   351 //

   352 EXPORT_C TPckgBuf<TBool>& RTelephonyAudioRoutingSession::ShowNoteMode()

   353 	{

   354 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::ShowNoteMode"),this);

   356 	return iShowNoteModePkg;

   357 	}

   360 // -----------------------------------------------------------------------------

   361 // RTelephonyAudioRoutingSession::ResetShowNoteMode

   362 // Resets the session flag iOkToGetShowNoteMode to indicate it's not ok to retrieve

   363 // value of iSetShowNoteMode from server. (Client can only retrieve it once after a

   364 // SetOutputComplete call). (But it can be set internally from an OutputChanged call).

   365 // (other items were commented in a header).

   366 // -----------------------------------------------------------------------------

   367 //

   368 EXPORT_C void RTelephonyAudioRoutingSession::ResetShowNoteMode()

   369 	{

   370 	TELAUDRTNG_RDEBUG1(_L("[TELAUDRTNG]\t RTelephonyAudioRoutingSession[%x]::ResetShowNoteMode"),this);

   371 	iOkToGetShowNoteMode = EFalse;

   372 	}

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

   374 // RTelephonyAudioRoutingSession::OkToGetShowNoteMode

   375 // Provide caller with value of iOkToGetShowNoteMode

   376 // (other items were commented in a header).

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

   378 //

   379 EXPORT_C TBool RTelephonyAudioRoutingSession::OkToGetShowNoteMode()

   380 	{

   381 	return iOkToGetShowNoteMode;

   382 	}

   383 // End of File

author	sl@SLION-WIN7.fritz.box
	Fri, 15 Jun 2012 03:10:57 +0200
changeset 0	bde4ae8d615e
permissions	-rw-r--r--