devsoundextensions/restrictedaudiooutput/RestrictedAudioOutputBase/src/RestrictedAudioOutputImpl.cpp
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     1 /*
       
     2 * Copyright (c) 2007 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 is the implementation of the CRestrictedAudioOutputImpl class.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 // INCLUDE FILES
       
    22 #include <e32svr.h>
       
    23 #include "RestrictedAudioOutputImpl.h"
       
    24 
       
    25 #ifdef _DEBUG
       
    26 #define DEBPRN0(str)                RDebug::Print(str, this)
       
    27 #define DEBPRN1(str)    RDebug::Printf( "%s %s", __PRETTY_FUNCTION__, str );
       
    28 #else
       
    29 #define DEBPRN0
       
    30 #define DEBPRN1(str)
       
    31 #endif
       
    32 
       
    33 const TInt KGranularity=20;
       
    34 
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CRestrictedAudioOutputImpl::CRestrictedAudioOutputImpl
       
    38 // C++ default constructor can NOT contain any code, that
       
    39 // might leave.
       
    40 // -----------------------------------------------------------------------------
       
    41 //
       
    42 CRestrictedAudioOutputImpl::CRestrictedAudioOutputImpl()
       
    43 : iAllowedOutputPrefArray(KGranularity)
       
    44     {
       
    45 	DEBPRN0(_L("CRestrictedAudioOutputImpl::[0x%x]::CRestrictedAudioOutputImpl\n"));  
       
    46 	iAllowedOutputPrefArray.Reset();  
       
    47     }
       
    48 
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // CRestrictedAudioOutputImpl::ConstructL
       
    52 // Symbian 2nd phase constructor can leave.
       
    53 // assumes that iParent has already been set up properly
       
    54 // -----------------------------------------------------------------------------
       
    55 //
       
    56 void CRestrictedAudioOutputImpl::ConstructL()
       
    57     {
       
    58 	   
       
    59     }
       
    60 
       
    61 
       
    62 // Two-phased constructor.
       
    63 CRestrictedAudioOutputImpl* CRestrictedAudioOutputImpl::NewL()
       
    64     {
       
    65 #ifdef _DEBUG    
       
    66 	RDebug::Print(_L("CRestrictedAudioOutputImpl::NewL\n"));
       
    67 #endif	
       
    68 	    
       
    69 	CRestrictedAudioOutputImpl* self = new(ELeave) CRestrictedAudioOutputImpl();
       
    70 	CleanupStack::PushL(self);
       
    71 	self->ConstructL();
       
    72 	CleanupStack::Pop(self);
       
    73 	return self;  
       
    74 
       
    75     }
       
    76     
       
    77 // -----------------------------------------------------------------------------
       
    78 // CRestrictedAudioOutputImpl::~CRestrictedAudioOutputImpl
       
    79 // Destructor
       
    80 // -----------------------------------------------------------------------------
       
    81 //
       
    82 CRestrictedAudioOutputImpl::~CRestrictedAudioOutputImpl()
       
    83     {
       
    84 	DEBPRN0(_L("CRestrictedAudioOutputImpl[0x%x]::~CRestrictedAudioOutputImpl\n"));     
       
    85 	
       
    86 	iAllowedOutputPrefArray.Close();
       
    87  
       
    88     DEBPRN0(_L("CRestrictedAudioOutputImpl[0x%x]::~CRestrictedAudioOutputImpl:EXIT"));
       
    89     } 
       
    90        
       
    91 // ---------------------------------------------------------
       
    92 // CRestrictedAudioOutputImpl::AppendAllowedOutput
       
    93 // ?implementation_description
       
    94 // (other items were commented in a header).
       
    95 // ---------------------------------------------------------
       
    96 //
       
    97 TInt CRestrictedAudioOutputImpl::AppendAllowedOutput( CRestrictedAudioOutput::TAllowedOutputPreference aOutput)
       
    98     {
       
    99 	DEBPRN0(_L("CRestrictedAudioOutputImpl[0x%x]::AppendAllowedOutput\n"));
       
   100 	
       
   101 #ifdef _DEBUG	
       
   102     RDebug::Print(_L("Append Output: %d\n"), aOutput);
       
   103 #endif    
       
   104     
       
   105     // Check to see if it's in array already
       
   106   	TBool found = ExistsInArray(aOutput);
       
   107     if (found)
       
   108     {
       
   109 #ifdef _DEBUG    
       
   110 		RDebug::Print(_L("Append Output ERROR. Output already in List\n"));  
       
   111 #endif		  
       
   112     	return KErrAlreadyExists;
       
   113     }
       
   114   
       
   115   	TInt err = KErrNone;
       
   116 	TRAP(err,iAllowedOutputPrefArray.AppendL(aOutput)); 
       
   117 	if (err != KErrNone)
       
   118 		return err;
       
   119     
       
   120     return KErrNone;
       
   121     }
       
   122 
       
   123 // ---------------------------------------------------------
       
   124 // CRestrictedAudioOutputImpl::RemoveAllowedOutput
       
   125 // ?implementation_description
       
   126 // (other items were commented in a header).
       
   127 // ---------------------------------------------------------
       
   128 //
       
   129 TInt CRestrictedAudioOutputImpl::RemoveAllowedOutput(CRestrictedAudioOutput::TAllowedOutputPreference aOutput)
       
   130     {
       
   131 #ifdef _DEBUG    
       
   132  	RDebug::Print(_L("Remove Output: %d\n"), aOutput); 
       
   133 #endif
       
   134  	   
       
   135     // Make sure it's in list
       
   136   	TBool found = ExistsInArray(aOutput);
       
   137     if (!found)
       
   138     {
       
   139 	#ifdef _DEBUG    
       
   140 		RDebug::Print(_L("Remove Output ERROR. Output not in List\n"));  
       
   141 	#endif		  
       
   142     	return KErrNotFound;
       
   143     } 
       
   144     
       
   145     for (TInt i = 0; i < iAllowedOutputPrefArray.Count(); i++)
       
   146     {
       
   147     	if (iAllowedOutputPrefArray[i] == aOutput)
       
   148     	{
       
   149     		iAllowedOutputPrefArray.Remove(i);
       
   150  	#ifdef _DEBUG   		
       
   151     		RDebug::Print(_L("RemoveAllowedOutput: Item Removed\n"));
       
   152  	#endif   		
       
   153     		break;	
       
   154     	}
       
   155     }
       
   156     	
       
   157     return KErrNone;
       
   158     }
       
   159 
       
   160 // ---------------------------------------------------------
       
   161 // CRestrictedAudioOutputImpl::GetAllowedOutput
       
   162 // ?implementation_description
       
   163 // (other items were commented in a header).
       
   164 // ---------------------------------------------------------
       
   165 //
       
   166 TInt CRestrictedAudioOutputImpl::GetAllowedOutput(TInt aIndex, CRestrictedAudioOutput::TAllowedOutputPreference& aOutput)
       
   167     {   
       
   168 #ifdef _DEBUG    
       
   169 	RDebug::Print(_L("CRestrictedAudioOutputImpl::GetAllowedOutput for index: %d\n"), aIndex);   
       
   170 #endif
       
   171 	   
       
   172     // Verify aIndex valid:
       
   173     if (aIndex >= iAllowedOutputPrefArray.Count())
       
   174     {
       
   175     #ifdef _DEBUG
       
   176 		RDebug::Print(_L("GetAllowedOutput ERROR. Invalid Index: %d\n"),aIndex);   
       
   177 	#endif 
       
   178     	return KErrNotFound;    	
       
   179     }
       
   180     aOutput = iAllowedOutputPrefArray[aIndex];
       
   181     #ifdef _DEBUG
       
   182 	RDebug::Print(_L("GetAllowedOutput: Returning %d\n"),aOutput);  
       
   183 	#endif     
       
   184     return KErrNone;
       
   185     }
       
   186     
       
   187 // ---------------------------------------------------------
       
   188 // CRestrictedAudioOutputImpl::GetAllowedOutputCount
       
   189 // ?implementation_description
       
   190 // (other items were commented in a header).
       
   191 // ---------------------------------------------------------
       
   192 //
       
   193 TInt CRestrictedAudioOutputImpl::GetAllowedOutputCount(TInt& aSize)
       
   194     {
       
   195 #ifdef _DEBUG    
       
   196 	RDebug::Print(_L("CRestrictedAudioOutputImpl::GetAllowedOutputCount\n")); 
       
   197 #endif    
       
   198     aSize = iAllowedOutputPrefArray.Count();
       
   199     return KErrNone;
       
   200     }
       
   201     
       
   202 // ---------------------------------------------------------
       
   203 // CRestrictedAudioOutputImpl::Reset
       
   204 // ?implementation_description
       
   205 // (other items were commented in a header).
       
   206 // ---------------------------------------------------------
       
   207 //
       
   208 TInt CRestrictedAudioOutputImpl::Reset()
       
   209     {
       
   210     iAllowedOutputPrefArray.Reset();
       
   211     return KErrNone;
       
   212     }
       
   213     
       
   214 // ---------------------------------------------------------
       
   215 // CRestrictedAudioOutputImpl::Commit
       
   216 // ?implementation_description
       
   217 // (other items were commented in a header).
       
   218 // ---------------------------------------------------------
       
   219 //
       
   220 TInt CRestrictedAudioOutputImpl::Commit()
       
   221     {
       
   222     return KErrNone;
       
   223     }    
       
   224     
       
   225 // ---------------------------------------------------------
       
   226 // CRestrictedAudioOutputImpl::ExistsInArray
       
   227 // ?implementation_description
       
   228 // (other items were commented in a header).
       
   229 // ---------------------------------------------------------
       
   230 //
       
   231 TBool CRestrictedAudioOutputImpl::ExistsInArray(CRestrictedAudioOutput::TAllowedOutputPreference& aOutput)
       
   232     {
       
   233     
       
   234     for (TInt i = 0; i < iAllowedOutputPrefArray.Count(); i++)
       
   235     {
       
   236     	if (iAllowedOutputPrefArray[i] == aOutput)
       
   237     	return ETrue;
       
   238     }
       
   239     
       
   240     return EFalse;
       
   241     }       
       
   242     
       
   243 // End of file
       
   244