author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:37:10 +0300 | |
changeset 104 | 9b022b1f357c |
parent 103 | b99b84bcd2d1 |
permissions | -rw-r--r-- |
103
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/* |
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* Copyright (c) 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: |
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* |
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*/ |
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#include <s32mem.h> |
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#include "afstorageasynctask.h" |
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#include "activitycmd.h" |
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_LIT(KUnsupportedStorageAsyncTask, "Unsupported async storage task"); |
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// ----------------------------------------------------------------------------- |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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LOCAL_C void ReadEntryL(CAfEntry& entry, const RMessage2& msg) |
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{ |
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RBuf8 serializedEntry; |
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CleanupClosePushL(serializedEntry); |
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serializedEntry.CreateL(msg.GetDesLengthL(0)); |
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msg.ReadL(0, serializedEntry); |
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RDesReadStream reader(serializedEntry); |
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CleanupClosePushL(reader); |
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|
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reader >> entry; |
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|
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CleanupStack::PopAndDestroy(&reader); |
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CleanupStack::PopAndDestroy(&serializedEntry); |
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} |
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// ----------------------------------------------------------------------------- |
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/** |
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* Constructor for performing 1st stage construction |
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*/ |
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CAfStorageAsyncTask::CAfStorageAsyncTask() |
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{ |
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// No implementation required |
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} |
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// ----------------------------------------------------------------------------- |
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/** |
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* Destructor. |
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*/ |
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CAfStorageAsyncTask::~CAfStorageAsyncTask() |
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{ |
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mExternalizedData.Close(); |
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mInternalizedData.ResetAndDestroy(); |
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} |
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// ----------------------------------------------------------------------------- |
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/** |
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* Handle asynchronous data storage requests |
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* @param taskStorage - data tasks storage |
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* @param dataStorage - data storage |
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* @param msg - request message |
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*/ |
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void CAfStorageAsyncTask::ExecuteLD(MAfTaskStorage& taskStorage, |
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CAfStorage& dataStorage, |
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const RMessage2& msg) |
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{ |
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CAfStorageAsyncTask* self = new (ELeave) CAfStorageAsyncTask(); |
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CleanupStack::PushL(self); |
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self->ExecuteL(dataStorage, msg); |
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taskStorage.PushL(self); |
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CleanupStack::Pop(self); |
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if (EFalse == msg.IsNull()) { |
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msg.Complete(KErrNone); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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/** |
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* Interface implementation |
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* @see CActivityTask::Data() |
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*/ |
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const TDesC8& CAfStorageAsyncTask::CAfStorageAsyncTask::Data() const |
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{ |
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return mExternalizedData; |
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} |
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// ----------------------------------------------------------------------------- |
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/** |
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* Interface implementation |
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* @see CActivityTask::BroadcastReceivedL(const RMessage2 &) |
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*/ |
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void CAfStorageAsyncTask::BroadcastReceivedL(const RMessage2& ) |
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{ |
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// No implementation required |
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} |
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|
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// ----------------------------------------------------------------------------- |
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/** |
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* Handle asynchronous data storage requests |
b99b84bcd2d1
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|
105 |
* @param dataStorage - data storage |
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|
106 |
* @param msg - request message |
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|
107 |
*/ |
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|
108 |
void CAfStorageAsyncTask::ExecuteL(CAfStorage& dataStorage, |
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|
109 |
const RMessage2& msg) |
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|
110 |
{ |
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|
111 |
switch (msg.Function()) { |
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|
112 |
case Activities: |
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113 |
AllActivitiesL(dataStorage, msg); |
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|
114 |
break; |
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115 |
case ApplicationActivities: |
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ApplicationActivitiesL(dataStorage, msg); |
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117 |
break; |
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118 |
case ApplicationActivity: |
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119 |
ApplicationActivityL(dataStorage, msg); |
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|
120 |
break; |
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121 |
default: |
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122 |
//this code shouldn't be called. fatal error: means wrong session implementation |
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123 |
User::Panic(KUnsupportedStorageAsyncTask, KErrGeneral); |
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124 |
}; |
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125 |
} |
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126 |
|
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127 |
// ----------------------------------------------------------------------------- |
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128 |
/** |
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129 |
* Handle getting all activities request |
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130 |
* @param dataStorage - data storage |
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131 |
* @param msg - requested message |
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132 |
*/ |
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133 |
void CAfStorageAsyncTask::AllActivitiesL(CAfStorage& dataStorage, |
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134 |
const RMessage2& msg) |
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135 |
{ |
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136 |
dataStorage.ActivitiesL(mInternalizedData); |
b99b84bcd2d1
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137 |
ExternalizeL(); |
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|
138 |
WriteResponseL(msg); |
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139 |
} |
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|
140 |
|
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141 |
// ----------------------------------------------------------------------------- |
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142 |
/** |
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143 |
* Handle getting application activities request |
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144 |
* @param dataStorage - data storage |
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145 |
* @param msg - requested message |
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146 |
*/ |
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147 |
void CAfStorageAsyncTask::ApplicationActivitiesL(CAfStorage& dataStorage, |
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148 |
const RMessage2& msg) |
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149 |
{ |
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150 |
CAfEntry *entry = CAfEntry::NewLC(); |
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151 |
ReadEntryL(*entry, msg); |
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152 |
dataStorage.ActivitiesL(mInternalizedData, entry->ApplicationId()); |
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153 |
CleanupStack::PopAndDestroy(entry); |
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154 |
ExternalizeL(); |
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|
155 |
WriteResponseL(msg); |
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156 |
} |
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|
157 |
|
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|
158 |
// ----------------------------------------------------------------------------- |
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|
159 |
/** |
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|
160 |
* Handle getting application activity request |
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|
161 |
* @param dataStorage - data storage |
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|
162 |
* @param msg - requested message |
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|
163 |
*/ |
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|
164 |
void CAfStorageAsyncTask::ApplicationActivityL(CAfStorage& dataStorage, |
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|
165 |
const RMessage2& msg) |
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|
166 |
{ |
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|
167 |
CAfEntry *src(CAfEntry::NewLC()) , *dst(0); |
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|
168 |
ReadEntryL(*src, msg); |
b99b84bcd2d1
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|
169 |
dataStorage.ActivityL(dst, *src); |
b99b84bcd2d1
Revision: 201023
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|
170 |
CleanupStack::PushL(dst); |
b99b84bcd2d1
Revision: 201023
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|
171 |
ExternalizeL(*dst); |
b99b84bcd2d1
Revision: 201023
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|
172 |
CleanupStack::PopAndDestroy(dst); |
b99b84bcd2d1
Revision: 201023
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|
173 |
CleanupStack::PopAndDestroy(src); |
b99b84bcd2d1
Revision: 201023
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|
174 |
WriteResponseL(msg); |
b99b84bcd2d1
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|
175 |
} |
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|
176 |
|
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|
177 |
// ----------------------------------------------------------------------------- |
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|
178 |
void CAfStorageAsyncTask::ExternalizeL() |
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|
179 |
{ |
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Revision: 201023
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|
180 |
mExternalizedData << mInternalizedData; |
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|
181 |
mInternalizedData.ResetAndDestroy(); |
b99b84bcd2d1
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|
182 |
} |
b99b84bcd2d1
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|
183 |
|
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|
184 |
// ----------------------------------------------------------------------------- |
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|
185 |
/** |
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|
186 |
* Externalzie entry into output buffer |
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|
187 |
* @param entry - source entry |
b99b84bcd2d1
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|
188 |
*/ |
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|
189 |
void CAfStorageAsyncTask::ExternalizeL(const CAfEntry &entry) |
b99b84bcd2d1
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|
190 |
{ |
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|
191 |
CAfEntry::ReallocL(mExternalizedData, entry.Size()); |
b99b84bcd2d1
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|
192 |
RDesWriteStream writer(mExternalizedData); |
b99b84bcd2d1
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|
193 |
CleanupClosePushL(writer); |
b99b84bcd2d1
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|
194 |
writer << entry; |
b99b84bcd2d1
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|
195 |
CleanupStack::PopAndDestroy(&writer); |
b99b84bcd2d1
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|
196 |
} |
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|
197 |
|
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|
198 |
// ----------------------------------------------------------------------------- |
b99b84bcd2d1
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|
199 |
/** |
b99b84bcd2d1
Revision: 201023
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|
200 |
* Write response data into request message |
b99b84bcd2d1
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|
201 |
* @param msg - destination message |
b99b84bcd2d1
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|
202 |
*/ |
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Revision: 201023
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|
203 |
void CAfStorageAsyncTask::WriteResponseL(const RMessage2& msg) |
b99b84bcd2d1
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|
204 |
{ |
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|
205 |
if (EFalse == msg.IsNull()) { |
b99b84bcd2d1
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|
206 |
msg.WriteL(1, |
b99b84bcd2d1
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|
207 |
TPckgBuf<TInt>(mExternalizedData.Length()));//write data size |
b99b84bcd2d1
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|
208 |
msg.WriteL(2, |
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TPckgBuf<CBase*>(this));//task identyfier |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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/** |
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* Returns ETrue if task is related with session argument |
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*/ |
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TBool CAfStorageAsyncTask::IsSessionTask(const CSession2* /*session*/) |
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{ |
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return EFalse; |
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} |