devsoundextensions/audiorouting/Input/AudioInputMessageHandler/src/AudioInputMessageHandler.cpp
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     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: Audio input msg handler implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    "AudioInputMessageHandler.h"
       
    22 #include    "AudioInputMessageTypes.h"
       
    23 #include    "AudioInput.h"
       
    24 
       
    25 // ================= MEMBER FUNCTIONS =======================
       
    26 
       
    27 // C++ default constructor can NOT contain any code, that
       
    28 // might leave.
       
    29 //
       
    30 CAudioInputMessageHandler::CAudioInputMessageHandler(CAudioInput*         aAudioInput,
       
    31                                                      CMMFObjectContainer& aContainer) :
       
    32 	CMMFObject(KUidAudioInput),
       
    33 	iContainer(aContainer)
       
    34     {
       
    35     iAudioInput = aAudioInput;
       
    36     }
       
    37 
       
    38 // Two-phased constructor.
       
    39 EXPORT_C CAudioInputMessageHandler* CAudioInputMessageHandler::NewL(TAny*                aCustomInterface,
       
    40                                                            CMMFObjectContainer& aContainer)
       
    41     {
       
    42     CAudioInput* audioInput = (CAudioInput*)aCustomInterface;
       
    43     CAudioInputMessageHandler* self = new (ELeave) CAudioInputMessageHandler(audioInput,
       
    44                                                                              aContainer);
       
    45     
       
    46     return self;
       
    47     }
       
    48 
       
    49     
       
    50 // Destructor
       
    51 CAudioInputMessageHandler::~CAudioInputMessageHandler()
       
    52 	{
       
    53 	delete iAudioInput;
       
    54 	}
       
    55 
       
    56 
       
    57 // ---------------------------------------------------------
       
    58 // CAudioInput::AudioInput
       
    59 // ?implementation_description
       
    60 // (other items were commented in a header).
       
    61 // ---------------------------------------------------------
       
    62 //
       
    63 EXPORT_C TUid CAudioInputMessageHandler::Uid()
       
    64 	{
       
    65 	return KUidAudioInput;
       
    66 	}
       
    67 
       
    68 // ---------------------------------------------------------
       
    69 // CAudioInput::SetAudioInputL
       
    70 // ?implementation_description
       
    71 // (other items were commented in a header).
       
    72 // ---------------------------------------------------------
       
    73 //
       
    74 void CAudioInputMessageHandler::HandleRequest(TMMFMessage& aMessage)
       
    75 	{
       
    76 	ASSERT(aMessage.Destination().InterfaceId() == KUidAudioInput);
       
    77 	TRAPD(error,DoHandleRequestL(aMessage));
       
    78 	if(error)
       
    79 		{
       
    80 		aMessage.Complete(error);
       
    81 		}
       
    82 	}
       
    83 
       
    84 // ---------------------------------------------------------
       
    85 // CAudioInput::SetAudioInputL
       
    86 // ?implementation_description
       
    87 // (other items were commented in a header).
       
    88 // ---------------------------------------------------------
       
    89 //
       
    90 void CAudioInputMessageHandler::DoHandleRequestL(TMMFMessage& aMessage)
       
    91 	{
       
    92 	switch(aMessage.Function())
       
    93 		{
       
    94 		case EAifDelete:
       
    95 			{
       
    96 			DoDeleteL(aMessage);
       
    97 			break;
       
    98 			}
       
    99 		case EAifSetInputs:
       
   100 			{
       
   101 			DoSetInputsL(aMessage);
       
   102 			break;
       
   103 			}
       
   104 		default:
       
   105 			{
       
   106 			aMessage.Complete(KErrNotSupported);
       
   107 			}
       
   108 		}
       
   109 	}
       
   110 
       
   111 // ---------------------------------------------------------
       
   112 // CAudioInput::SetAudioInputL
       
   113 // ?implementation_description
       
   114 // (other items were commented in a header).
       
   115 // ---------------------------------------------------------
       
   116 //
       
   117 void CAudioInputMessageHandler::DoDeleteL(TMMFMessage& aMessage)
       
   118 	{
       
   119 	aMessage.Complete(KErrNone);
       
   120 	iContainer.RemoveAndDestroyMMFObject(*this);
       
   121 	}
       
   122 
       
   123 // ---------------------------------------------------------
       
   124 // CAudioInput::SetAudioInputL
       
   125 // ?implementation_description
       
   126 // (other items were commented in a header).
       
   127 // ---------------------------------------------------------
       
   128 //
       
   129 void CAudioInputMessageHandler::DoSetInputsL(TMMFMessage& aMessage)
       
   130 	{
       
   131 	TPckgBuf<TInt> countPckg;
       
   132 	aMessage.ReadData1FromClient(countPckg);
       
   133 	TInt count = countPckg();
       
   134 	
       
   135 	CArrayFixFlat<CAudioInput::TAudioInputPreference>* inputArray =
       
   136 		new(ELeave) CArrayFixFlat<CAudioInput::TAudioInputPreference>(4);
       
   137 	CleanupStack::PushL(inputArray);
       
   138 	inputArray->ResizeL(count);
       
   139 	
       
   140 	TInt length = count * inputArray->Length();
       
   141 	TPtr8 inputArrayPtr((TUint8*)&(*inputArray)[0],length, length);
       
   142 	aMessage.ReadData2FromClient(inputArrayPtr);
       
   143 
       
   144 	iAudioInput->SetAudioInputL(inputArray->Array());
       
   145 	CleanupStack::PopAndDestroy(inputArray);//inputArray
       
   146 	
       
   147 	aMessage.Complete(KErrNone);
       
   148 	}
       
   149 
       
   150 
       
   151 // ========================== OTHER EXPORTED FUNCTIONS =========================
       
   152 
       
   153 
       
   154 
       
   155 // End of File