phonebookui/Phonebook2/Presentation/src/CPbk2ImageReaderBase.cpp
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     1 /*
       
     2 * Copyright (c) 2005-2007 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: 
       
    15 *       Provides methods for CPbk2ImageManager implementation classes.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "CPbk2ImageReaderBase.h"
       
    22 
       
    23 // From Phonebook2
       
    24 #include "CPbk2ImageReader.h"
       
    25 #include "MPbk2ImageOperationObservers.h"
       
    26 
       
    27 // From system
       
    28 #include <fbs.h>
       
    29 #include <imageconversion.h>
       
    30 
       
    31 /// Unnamed namespace for local defintions
       
    32 namespace {
       
    33 
       
    34 enum TPanicCode
       
    35     {
       
    36     EPanicPreCond_CancelRead = 1,
       
    37     EPanicPreCond_StartReadL,
       
    38     EPanic_ImageReadComplete_Called,
       
    39     EPanic_ImageReadFailed_Called
       
    40     };
       
    41 
       
    42 #ifdef _DEBUG
       
    43 void Panic(TPanicCode aPanicCode)
       
    44     {
       
    45     _LIT(KPanicText, "CPbk2ImageReaderBase");
       
    46     User::Panic(KPanicText, aPanicCode);
       
    47     }
       
    48 #endif // _DEBUG
       
    49 
       
    50 } // namespace
       
    51 
       
    52 // ================= MEMBER FUNCTIONS =======================
       
    53 
       
    54 // --------------------------------------------------------------------------
       
    55 // CPbk2ImageReaderBase::CPbk2ImageReaderBase
       
    56 // --------------------------------------------------------------------------
       
    57 //
       
    58 CPbk2ImageReaderBase::CPbk2ImageReaderBase
       
    59         (MPbk2ImageGetObserver& aObserver) :
       
    60     iObserver(aObserver)
       
    61     {
       
    62     }
       
    63 
       
    64 // --------------------------------------------------------------------------
       
    65 // CPbk2ImageReaderBase::~CPbk2ImageReaderBase
       
    66 // --------------------------------------------------------------------------
       
    67 //
       
    68 CPbk2ImageReaderBase::~CPbk2ImageReaderBase()
       
    69     {
       
    70     delete iImageReader;
       
    71     }
       
    72     
       
    73 // --------------------------------------------------------------------------
       
    74 // CPbk2ImageReaderBase::ConstructL
       
    75 // --------------------------------------------------------------------------
       
    76 //
       
    77 void CPbk2ImageReaderBase::ConstructL()
       
    78     {
       
    79     iImageReader = CPbk2ImageReader::NewL(*this);
       
    80     }
       
    81 
       
    82 // --------------------------------------------------------------------------
       
    83 // CPbk2ImageReaderBase::CancelRead
       
    84 // --------------------------------------------------------------------------
       
    85 //
       
    86 void CPbk2ImageReaderBase::CancelRead()
       
    87     {
       
    88     __ASSERT_DEBUG(iImageReader, Panic(EPanicPreCond_CancelRead));
       
    89     iImageReader->Cancel();
       
    90     }
       
    91 
       
    92 // --------------------------------------------------------------------------
       
    93 // CPbk2ImageReaderBase::ImageReadComplete
       
    94 // --------------------------------------------------------------------------
       
    95 //
       
    96 void CPbk2ImageReaderBase::ImageReadComplete
       
    97         (CPbk2ImageReader& /*aReader*/, CFbsBitmap* aBitmap)
       
    98     {
       
    99     iObserver.Pbk2ImageGetComplete(*this,aBitmap);
       
   100     }
       
   101 
       
   102 // --------------------------------------------------------------------------
       
   103 // CPbk2ImageReaderBase::ImageReadFailed
       
   104 // --------------------------------------------------------------------------
       
   105 //
       
   106 void CPbk2ImageReaderBase::ImageReadFailed
       
   107         (CPbk2ImageReader& /*aReader*/, TInt aError)
       
   108     {
       
   109     iObserver.Pbk2ImageGetFailed(*this,aError);
       
   110     }
       
   111     
       
   112 // --------------------------------------------------------------------------
       
   113 // CPbk2ImageReaderBase::ImageOpenComplete
       
   114 // --------------------------------------------------------------------------
       
   115 //
       
   116 void CPbk2ImageReaderBase::ImageOpenComplete(CPbk2ImageReader& /*aReader*/)
       
   117 	{
       
   118 	// do nothing
       
   119 	}
       
   120 
       
   121 //  End of File