imagingandcamerafws/imagingunittest/testcodec/src/TestAsyncCodec.cpp
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     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include "TestAsyncCodec.h"
       
    17 
       
    18 
       
    19 // CTestAsyncReadCodec
       
    20 CTestAsyncReadCodec::CTestAsyncReadCodec(CTestAsyncDecoder& aDecoder):
       
    21 	iDecoder(aDecoder)
       
    22 	{
       
    23 	}
       
    24 
       
    25 void CTestAsyncReadCodec::ConstructL ()
       
    26 	{ 
       
    27 	CImageReadCodec::ConstructL(); 
       
    28 
       
    29 	TTimeIntervalMicroSeconds32 KQuarterSecond = 250000;
       
    30 	iTimer = CUtilityTimer::NewL(KQuarterSecond, *this);
       
    31 	}
       
    32 
       
    33 CTestAsyncReadCodec* CTestAsyncReadCodec::NewL(CTestAsyncDecoder &aDecoder)
       
    34 	{
       
    35 	CTestAsyncReadCodec* self = new (ELeave) CTestAsyncReadCodec(aDecoder);
       
    36 	CleanupStack::PushL(self);
       
    37 	self->ConstructL();
       
    38 	CleanupStack::Pop(self);
       
    39 	return self;
       
    40 	}
       
    41 
       
    42 CTestAsyncReadCodec::~CTestAsyncReadCodec()
       
    43 	{
       
    44 	delete iTimer;
       
    45 	}
       
    46 
       
    47 TFrameState CTestAsyncReadCodec::ProcessFrameL(TBufPtr8& /*aSrc*/)
       
    48 	{
       
    49 	// pause for a quarter of a second to look like we're doing somthing
       
    50 	iTimer->InitializeTimer();
       
    51 
       
    52 	return EFrameComplete;
       
    53 	}
       
    54 
       
    55 TFrameState CTestAsyncReadCodec::ProcessFrameHeaderL(TBufPtr8& /*aData*/)
       
    56 	{
       
    57 	return EFrameComplete;
       
    58 	}
       
    59 
       
    60 void CTestAsyncReadCodec::Complete()
       
    61 	{
       
    62 	iTimer->Cancel();
       
    63 	}
       
    64 
       
    65 void CTestAsyncReadCodec::InitFrameL(TFrameInfo& /*aFrameInfo*/, CFrameImageData& /*aFrameImageData*/, TBool /*aDisableErrorDiffusion*/, CFbsBitmap& /*aDestination*/, CFbsBitmap* /*aDestinationMask*/)
       
    66 	{
       
    67 	}
       
    68 
       
    69 void CTestAsyncReadCodec::TimerExpired()
       
    70 	{
       
    71 	iDecoder.ProcessFrameComplete(KErrNone);
       
    72 	}
       
    73 
       
    74 
       
    75 // CTestAsyncWriteCodec
       
    76 CTestAsyncWriteCodec::CTestAsyncWriteCodec(CTestAsyncEncoder& aEncoder):
       
    77 	iEncoder(aEncoder)
       
    78 	{
       
    79 	}
       
    80 
       
    81 void CTestAsyncWriteCodec::ConstructL ()
       
    82 	{ 
       
    83 	CImageWriteCodec::ConstructL(); 
       
    84 
       
    85 	TTimeIntervalMicroSeconds32 KQuarterSecond = 250000;
       
    86 	iTimer = CUtilityTimer::NewL(KQuarterSecond, *this);
       
    87 	}
       
    88 
       
    89 CTestAsyncWriteCodec* CTestAsyncWriteCodec::NewL(CTestAsyncEncoder &aEncoder)
       
    90 	{
       
    91 	CTestAsyncWriteCodec* self = new (ELeave) CTestAsyncWriteCodec(aEncoder);
       
    92 	CleanupStack::PushL(self);
       
    93 	self->ConstructL();
       
    94 	CleanupStack::Pop(self);
       
    95 	return self;
       
    96 	}
       
    97 
       
    98 CTestAsyncWriteCodec::~CTestAsyncWriteCodec()
       
    99 	{
       
   100 	delete iTimer;
       
   101 	}
       
   102 
       
   103 void CTestAsyncWriteCodec::InitFrameL(TBufPtr8& aDst, const CFbsBitmap& /*aSource*/)
       
   104 	{
       
   105 	iDst = &aDst;
       
   106 	}
       
   107 
       
   108 TFrameState CTestAsyncWriteCodec::ProcessFrameL(TBufPtr8& /*aDst*/)
       
   109 	{
       
   110 	// pause for a quarter of a second to look like we're doing somthing
       
   111 	iTimer->InitializeTimer();
       
   112 
       
   113 	return EFrameComplete;
       
   114 	}
       
   115 
       
   116 
       
   117 
       
   118 void CTestAsyncWriteCodec::Complete()
       
   119 	{
       
   120 	iTimer->Cancel();
       
   121 	}
       
   122 
       
   123 
       
   124 void CTestAsyncWriteCodec::TimerExpired()
       
   125 	{
       
   126 	iEncoder.ProcessFrameComplete(KErrNone);
       
   127 	}
       
   128 
       
   129 
       
   130 // CUtilityTimer
       
   131 CUtilityTimer* CUtilityTimer::NewL(TTimeIntervalMicroSeconds32& aDelay, MTimerObserver& aObserver)
       
   132     {
       
   133     CUtilityTimer* self = new (ELeave) CUtilityTimer(aObserver);
       
   134     CleanupStack::PushL(self);
       
   135     self->ConstructL(aDelay);
       
   136     CleanupStack::Pop(self);
       
   137     return self;
       
   138     }
       
   139 
       
   140 void CUtilityTimer::ConstructL(TTimeIntervalMicroSeconds32& aDelay)
       
   141     {
       
   142     CTimer::ConstructL();
       
   143 
       
   144     iDelay = aDelay;
       
   145     CActiveScheduler::Add(this);
       
   146     }
       
   147 
       
   148 CUtilityTimer::~CUtilityTimer()
       
   149     {
       
   150     Cancel();
       
   151     }
       
   152 
       
   153 void CUtilityTimer::InitializeTimer()
       
   154     {
       
   155 	// Request another wait - assume not active
       
   156 	CTimer::After(iDelay);
       
   157     }
       
   158 
       
   159 void CUtilityTimer::RunL()
       
   160     {
       
   161 	if (iStatus.Int() == KErrNone)
       
   162 		iObserver.TimerExpired();
       
   163     }
       
   164 
       
   165 void CUtilityTimer::DoCancel()
       
   166 	{
       
   167 	}
       
   168 
       
   169 
       
   170 CUtilityTimer::CUtilityTimer(MTimerObserver& aObserver) :
       
   171 	CTimer(CActive::EPriorityUserInput),
       
   172     iObserver(aObserver)
       
   173 	{
       
   174     }
       
   175