author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 15:52:22 +0300 | |
changeset 29 | 2c833fc9e98f |
parent 23 | 74c9f037fd5d |
permissions | -rw-r--r-- |
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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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105 |
|
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if ( errors ) |
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107 |
{ |
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TInt index = errors->FindError(aAttribute); |
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if ( KErrNotFound != index ) |
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110 |
{ |
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TGlxFetchError error = errors->Error(index); |
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retVal = error.iError; |
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113 |
|
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if ( IsExpired( error ) ) |
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115 |
{ |
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retVal = KErrNone; |
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} |
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118 |
|
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if ( KErrNone != retVal ) |
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120 |
{ |
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if ( IsTemporaryError(retVal) ) |
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122 |
{ |
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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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130 |
} |
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} |
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132 |
|
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return retVal; |
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} |
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135 |
|
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136 |
// ----------------------------------------------------------------------------- |
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137 |
// HasAttributeErrorL |
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// ----------------------------------------------------------------------------- |
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139 |
// |
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EXPORT_C TInt GlxErrorManager::HasAttributeErrorL(const CGlxMedia* aMedia, |
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141 |
TInt aContentId) |
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142 |
{ |
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TRACER("GlxErrorManager::HasAttributeErrorL"); |
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144 |
|
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145 |
TInt retVal = KErrNone; |
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146 |
if ( aMedia ) |
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147 |
{ |
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const CGlxFetchErrorArray* errors = Errors( *aMedia ); |
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149 |
|
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150 |
if ( errors ) |
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151 |
{ |
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TInt index = errors->FindError(aContentId); |
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if ( KErrNotFound != index ) |
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154 |
{ |
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TGlxFetchError error = errors->Error(index); |
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retVal = error.iError; |
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157 |
|
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if ( IsExpired( error ) ) |
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159 |
{ |
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retVal = KGlxErrorTimeOut; |
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161 |
} |
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162 |
|
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163 |
if ( KErrNone != retVal && KGlxErrorTimeOut != retVal) |
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164 |
{ |
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if ( IsTemporaryError(retVal) ) |
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166 |
{ |
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167 |
// Inform cache manager that at least one temporary error still exists |
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CGlxCacheManager* cacheManager = CGlxCacheManager::InstanceL(); |
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169 |
cacheManager->SetTemporaryErrorFlag(); |
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cacheManager->Close(); |
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171 |
} |
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172 |
} |
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173 |
} |
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174 |
|
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175 |
} |
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176 |
} |
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177 |
|
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178 |
return retVal; |
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179 |
} |
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180 |
|
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181 |
// ----------------------------------------------------------------------------- |
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182 |
// IsTemporaryError |
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183 |
// ----------------------------------------------------------------------------- |
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184 |
// |
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185 |
TBool GlxErrorManager::IsTemporaryError(TInt aErrorCode) |
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186 |
{ |
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TRACER("GlxErrorManager::IsTemporaryError"); |
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GLX_DEBUG2("GlxErrorManager::IsTemporaryError() aErrorCode=%d", aErrorCode); |
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189 |
|
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/// @todo Implement this when list of temporary and permanent errors are known. Currently assume |
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191 |
/// all errors are temporary |
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192 |
switch ( aErrorCode ) |
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193 |
{ |
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194 |
case KErrArgument: // fallthrough |
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195 |
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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200 |
return EFalse; |
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201 |
|
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202 |
default: |
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203 |
return ETrue; |
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204 |
}; |
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205 |
} |
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206 |
|
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207 |
// ----------------------------------------------------------------------------- |
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208 |
// IsErrorStillVal |
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209 |
// ----------------------------------------------------------------------------- |
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210 |
// |
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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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|
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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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|
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TTime errorTime(aError.iTimestamp); |
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|
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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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|
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return EFalse; |
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} |
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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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|
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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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|
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return EFalse; |
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} |
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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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|
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CGlxFetchErrorArray* errors = Errors( aMedia ); |
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|
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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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|
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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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// ----------------------------------------------------------------------------- |
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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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|
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return KGlxMediaErrorArray; |
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} |