devsoundextensions/effectspresets/AudioEqualizerUtility/src/TempAudioEqualizer.cpp
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     1 /*
       
     2 * Copyright (c) 2004 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:   Implementation of the audio equalizer proxy class
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 // INCLUDE FILES
       
    22 
       
    23 #ifdef _DEBUG
       
    24 #include <e32svr.h>
       
    25 #endif
       
    26 
       
    27 #include "TempAudioEqualizer.h"
       
    28 
       
    29 // ============================ MEMBER FUNCTIONS ===============================
       
    30 
       
    31 // -----------------------------------------------------------------------------
       
    32 // CTempAudioEqualizer::CTempAudioEqualizer
       
    33 // C++ default constructor can NOT contain any code, that
       
    34 // might leave.
       
    35 // -----------------------------------------------------------------------------
       
    36 //
       
    37 CTempAudioEqualizer::CTempAudioEqualizer()
       
    38     {
       
    39     }
       
    40 
       
    41 // Destructor
       
    42 CTempAudioEqualizer::~CTempAudioEqualizer()
       
    43     {
       
    44 	}
       
    45 
       
    46 // -----------------------------------------------------------------------------
       
    47 // CTempAudioEqualizer::NewL
       
    48 // Static function for creating an instance of the Audio Equalizer object.
       
    49 // -----------------------------------------------------------------------------
       
    50 //
       
    51 EXPORT_C CTempAudioEqualizer* CTempAudioEqualizer::NewL(TInt aNumberOfBands,CAudioEqualizer* aAudioEqualizer)
       
    52     {
       
    53 #ifdef _DEBUG
       
    54 		    RDebug::Print(_L("CTempAudioEqualizer::NewL"));
       
    55 #endif
       
    56 
       
    57     CTempAudioEqualizer* self = new (ELeave) CTempAudioEqualizer();
       
    58     CleanupStack::PushL( self );
       
    59 	self->ConstructL(aNumberOfBands,aAudioEqualizer);
       
    60 	CleanupStack::Pop(self);
       
    61     return self;
       
    62 	}
       
    63 
       
    64 // -----------------------------------------------------------------------------
       
    65 // CTempAudioEqualizer::ConstructL
       
    66 // -----------------------------------------------------------------------------
       
    67 //
       
    68 void CTempAudioEqualizer::ConstructL(TInt aNumberOfBands, CAudioEqualizer* aAudioEqualizer)
       
    69     {
       
    70 #ifdef _DEBUG
       
    71     RDebug::Print(_L("CTempAudioEqualizer::ConstructL"));
       
    72 #endif
       
    73 
       
    74 	iAudioEqualizer = aAudioEqualizer;
       
    75 	iNumberOfBands = aNumberOfBands;
       
    76 
       
    77 	TEfAudioEqualizerBand bandData;
       
    78 	for(TInt i=0; i< aNumberOfBands; i++)
       
    79 		{
       
    80 		if(iBandsData.Append(bandData))
       
    81 			{
       
    82 			User::Leave(KErrNoMemory);
       
    83 			}
       
    84 		}
       
    85 
       
    86 
       
    87 	}
       
    88 
       
    89 
       
    90 // -----------------------------------------------------------------------------
       
    91 // CTempAudioEqualizer::ApplyL
       
    92 // Apply the Audio Equalizer settings.
       
    93 // -----------------------------------------------------------------------------
       
    94 //
       
    95 EXPORT_C void CTempAudioEqualizer::ApplyL()
       
    96 	{
       
    97 #ifdef _DEBUG
       
    98     RDebug::Print(_L("CTempAudioEqualizer::Apply"));
       
    99 #endif
       
   100 
       
   101 	for(TInt i = 1; i <= iNumberOfBands; i++)
       
   102 		{
       
   103 			if(BandLevel(i) != iAudioEqualizer->BandLevel(i))
       
   104 				{
       
   105 #ifdef _DEBUG
       
   106     RDebug::Print(_L("CTempAudioEqualizer::Band %d Level %d"),i,BandLevel(i));
       
   107 #endif
       
   108 
       
   109 					iAudioEqualizer->SetBandLevelL(i,BandLevel(i));
       
   110 				}
       
   111 		}
       
   112 	if(iAudioEqualizer)
       
   113 		{
       
   114 		iAudioEqualizer->EnableL();
       
   115 		//	iAudioEqualizer->ApplyL();
       
   116 		}
       
   117 
       
   118 	}
       
   119 
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CTempAudioEqualizer::EnableL
       
   123 // Enable the Audio EnvironmentalReverb settings.
       
   124 // -----------------------------------------------------------------------------
       
   125 //
       
   126 EXPORT_C void CTempAudioEqualizer::EnableL()
       
   127    {
       
   128     #ifdef _DEBUG
       
   129    	RDebug::Print(_L("CTempAudioEqualizer::EnableL"));
       
   130    	#endif
       
   131    	
       
   132    	iEnabled = ETrue;
       
   133     ApplyL();   
       
   134    }
       
   135 
       
   136 // -----------------------------------------------------------------------------
       
   137 // CTempAudioEqualizer::DisableL
       
   138 // Disable the Audio EnvironmentalReverb settings.
       
   139 // -----------------------------------------------------------------------------
       
   140 //
       
   141 EXPORT_C void CTempAudioEqualizer::DisableL()
       
   142    {
       
   143    #ifdef _DEBUG   
       
   144    	 RDebug::Print(_L("CTempAudioEqualizer::DisableL"));
       
   145    #endif
       
   146    	 
       
   147    	iEnabled = EFalse; 
       
   148 	
       
   149 	if(iAudioEqualizer)
       
   150 	  iAudioEqualizer->DisableL();	    
       
   151    }
       
   152 
       
   153 // -----------------------------------------------------------------------------
       
   154 // CTempAudioEqualizer::IsEnableL
       
   155 // Return enable flag.
       
   156 // -----------------------------------------------------------------------------
       
   157 //
       
   158 EXPORT_C TBool CTempAudioEqualizer::IsEnabled() const
       
   159    {
       
   160     #ifdef _DEBUG 
       
   161    	 RDebug::Print(_L("CTempAudioEqualizer::IsEnabled"));
       
   162    #endif
       
   163    
       
   164     TBool ifEnabled = EFalse;
       
   165     if(iAudioEqualizer)
       
   166 	   ifEnabled = iAudioEqualizer->IsEnabled();	    
       
   167     
       
   168     return ifEnabled;
       
   169    }
       
   170 
       
   171 
       
   172 
       
   173 // -----------------------------------------------------------------------------
       
   174 // CTempAudioEqualizer::IsEnforced
       
   175 // Return enForce flag
       
   176 // -----------------------------------------------------------------------------
       
   177 //
       
   178 EXPORT_C TBool CTempAudioEqualizer::IsEnforced() const
       
   179    {
       
   180      #ifdef _DEBUG 
       
   181    RDebug::Print(_L("CTempAudioEqualizer::IsEnforced"));
       
   182    #endif
       
   183    
       
   184     TBool ifEnforced = EFalse;   
       
   185     if(iAudioEqualizer)
       
   186 	  ifEnforced = iAudioEqualizer->IsEnforced();	    	
       
   187     
       
   188     return ifEnforced;
       
   189    
       
   190    }
       
   191 
       
   192 // -----------------------------------------------------------------------------
       
   193 // CTempAudioEqualizer::EnforceL
       
   194 // Enforce the effect
       
   195 // -----------------------------------------------------------------------------
       
   196 //
       
   197 EXPORT_C void CTempAudioEqualizer::EnforceL( TBool aEnforced )
       
   198    {
       
   199    #ifdef _DEBUG 
       
   200    RDebug::Print(_L("CTempAudioEqualizer::EnforceL"));
       
   201    #endif    
       
   202 
       
   203    iEnforced = aEnforced;
       
   204    
       
   205    if(iAudioEqualizer)
       
   206 	  iAudioEqualizer->EnforceL(aEnforced);	   	
       
   207    }
       
   208 
       
   209 
       
   210 
       
   211 // -----------------------------------------------------------------------------
       
   212 // CTempAudioEqualizer::HaveUpdateRights
       
   213 // Return enForce flag
       
   214 // -----------------------------------------------------------------------------
       
   215 //
       
   216 EXPORT_C TBool CTempAudioEqualizer::HaveUpdateRights() const
       
   217    {
       
   218    #ifdef _DEBUG 
       
   219    RDebug::Print(_L("CTempAudioEqualizer::HaveUpdateRights"));
       
   220    #endif
       
   221     
       
   222     TBool ifHaveUpdateRights = EFalse;   
       
   223     if(iAudioEqualizer)
       
   224 	  ifHaveUpdateRights = iAudioEqualizer->HaveUpdateRights();	    	
       
   225     
       
   226     return ifHaveUpdateRights;
       
   227 	
       
   228    }
       
   229 
       
   230 
       
   231 
       
   232 // ========================== OTHER EXPORTED FUNCTIONS =========================
       
   233 
       
   234 // End of File