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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Utility class to manage attribute retrieval errors
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*
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*/
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#include "glxerrormanager.h"
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//#include <glxerrors.h>
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#include "glxfetcherrorarray.h"
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#include "glxcachemanager.h"
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#include "glxmedialist.h"
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#include <glxtracer.h> // For Logs
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#include <glxlog.h> // For Logs
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/** Error attribute content ID */
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const TInt KGlxErrorContentId = 0x200071AC;
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const TMPXAttributeData KGlxMediaErrorArray = { KGlxErrorContentId, 0x01 }; // CGlxFetchErrorArray
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const TInt KGlxErrorTimeOut = -10033;
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// -----------------------------------------------------------------------------
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// Return errors
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// -----------------------------------------------------------------------------
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//
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inline CGlxFetchErrorArray* Errors( const CGlxMedia& aMedia )
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{
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TRACER("GlxErrorManager::Errors");
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return const_cast<CGlxFetchErrorArray*>(
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static_cast<const CGlxFetchErrorArray*>( aMedia.ValueCObject(
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KGlxMediaErrorArray ) ) );
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}
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// -----------------------------------------------------------------------------
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// SetAttributeErrorL
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// -----------------------------------------------------------------------------
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//
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void GlxErrorManager::SetAttributeErrorL(CGlxMedia* aItem, const RArray<TMPXAttribute>& aAttributes, TInt aError)
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{
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TRACER("GlxErrorManager::SetAttributeErrorL");
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if ( aItem )
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{
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CGlxFetchErrorArray* errorArray = NULL;
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if ( aItem->IsSupported(KGlxMediaErrorArray) )
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{
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const CGlxFetchErrorArray* existingArray = static_cast<const CGlxFetchErrorArray*>(aItem->ValueCObject(KGlxMediaErrorArray));
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if ( existingArray )
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{
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errorArray = CGlxFetchErrorArray::NewLC(existingArray);
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}
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}
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if ( !errorArray )
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{
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errorArray = new(ELeave) CGlxFetchErrorArray();
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CleanupStack::PushL(errorArray);
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}
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TInt attrCount = aAttributes.Count();
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for ( TInt attrIndex = 0; attrIndex < attrCount; attrIndex++ )
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{
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errorArray->AddErrorL(TGlxFetchError(aAttributes[attrIndex], aError));
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}
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aItem->SetCObjectValueL(KGlxMediaErrorArray, errorArray);
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CleanupStack::Pop(errorArray);
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}
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}
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// -----------------------------------------------------------------------------
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// HasAttributeErrorL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt GlxErrorManager::HasAttributeErrorL(const CGlxMedia* aMedia,
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const TMPXAttribute& aAttribute)
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{
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TRACER("GlxErrorManager::HasAttributeErrorL");
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TInt retVal = KErrNone;
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if ( aMedia )
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{
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const CGlxFetchErrorArray* errors = Errors( *aMedia );
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if ( errors )
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{
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TInt index = errors->FindError(aAttribute);
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if ( KErrNotFound != index )
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{
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TGlxFetchError error = errors->Error(index);
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retVal = error.iError;
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if ( IsExpired( error ) )
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{
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retVal = KErrNone;
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}
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if ( KErrNone != retVal )
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{
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if ( IsTemporaryError(retVal) )
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{
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// Inform cache manager that at least one temporary error still exists
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CGlxCacheManager* cacheManager = CGlxCacheManager::InstanceL();
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cacheManager->SetTemporaryErrorFlag();
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cacheManager->Close();
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}
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}
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}
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}
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}
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return retVal;
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}
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// -----------------------------------------------------------------------------
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// HasAttributeErrorL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TInt GlxErrorManager::HasAttributeErrorL(const CGlxMedia* aMedia,
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TInt aContentId)
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{
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TRACER("GlxErrorManager::HasAttributeErrorL");
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TInt retVal = KErrNone;
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if ( aMedia )
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{
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const CGlxFetchErrorArray* errors = Errors( *aMedia );
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if ( errors )
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{
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TInt index = errors->FindError(aContentId);
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if ( KErrNotFound != index )
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{
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TGlxFetchError error = errors->Error(index);
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retVal = error.iError;
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if ( IsExpired( error ) )
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{
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retVal = KGlxErrorTimeOut;
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}
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if ( KErrNone != retVal && KGlxErrorTimeOut != retVal)
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{
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if ( IsTemporaryError(retVal) )
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{
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// Inform cache manager that at least one temporary error still exists
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CGlxCacheManager* cacheManager = CGlxCacheManager::InstanceL();
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cacheManager->SetTemporaryErrorFlag();
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cacheManager->Close();
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}
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}
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}
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}
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}
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return retVal;
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}
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// -----------------------------------------------------------------------------
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// IsTemporaryError
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// -----------------------------------------------------------------------------
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//
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TBool GlxErrorManager::IsTemporaryError(TInt aErrorCode)
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{
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TRACER("GlxErrorManager::IsTemporaryError");
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GLX_DEBUG2("GlxErrorManager::IsTemporaryError() aErrorCode=%d", aErrorCode);
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/// @todo Implement this when list of temporary and permanent errors are known. Currently assume
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/// all errors are temporary
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switch ( aErrorCode )
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{
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case KErrArgument: // fallthrough
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case KErrNotSupported: // fallthrough
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case KErrNoMemory: // fallthrough
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case KErrCorrupt: // fallthrough
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case KErrDiskFull:
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// add other permanent error codes here
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return EFalse;
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default:
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return ETrue;
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};
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}
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// -----------------------------------------------------------------------------
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// IsErrorStillVal
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// -----------------------------------------------------------------------------
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//
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TBool GlxErrorManager::IsExpired( const TGlxFetchError& aError )
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{
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TRACER("GlxErrorManager::IsExpired");
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if ( IsTemporaryError(aError.iError) )
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{
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TTime now;
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now.UniversalTime();
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TTime errorTime(aError.iTimestamp);
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if ( now - TTimeIntervalSeconds(KGlxTemporaryErrorValidityPeriodInSeconds) > errorTime )
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{
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return ETrue;
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}
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}
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return EFalse;
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}
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// -----------------------------------------------------------------------------
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// HasError
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// -----------------------------------------------------------------------------
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//
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TBool GlxErrorManager::HasError(const CGlxMedia* aMedia)
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{
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TRACER("GlxErrorManager::HasError");
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if ( aMedia )
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{
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return ( Errors( *aMedia ) != NULL );
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}
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return EFalse;
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}
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// -----------------------------------------------------------------------------
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// ClearExpiredAndUnusedErrorsL
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// -----------------------------------------------------------------------------
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//
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void GlxErrorManager::ClearExpiredAndUnusedErrorsL( CGlxMedia& aMedia,
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const RArray<TMPXAttribute>& aAttributesInUse )
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{
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TRACER("GlxErrorManager::ClearExpiredAndUnusedErrorsL");
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CGlxFetchErrorArray* errors = Errors( aMedia );
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if ( errors )
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{
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// Iterate through the list of errors backwards, so that removal is more
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// efficient, and loop control easier
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for ( TInt i = errors->ErrorCount() - 1; i >= 0; i-- )
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{
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TGlxFetchError error = errors->Error( i );
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// remove the error if it has expired, or if the attribute
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// that the error is for is no longer in use
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if ( IsExpired( error ) ||
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KErrNotFound == aAttributesInUse.Find( error.iAttr, TMPXAttribute::Match ) )
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{
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errors->Remove( i );
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}
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}
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// no further errors are remaining, so can remove the error array
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// attribute from the media object
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if ( errors->ErrorCount() == 0 )
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{
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aMedia.DeleteAttribute( KGlxMediaErrorArray );
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}
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}
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}
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// -----------------------------------------------------------------------------
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// Return error attribute's id
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// -----------------------------------------------------------------------------
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//
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TMPXAttribute GlxErrorManager::ErrorAttribute()
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{
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TRACER("GlxErrorManager::ErrorAttribute");
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return KGlxMediaErrorArray;
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}
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