author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:39:26 +0200 | |
branch | RCL_3 |
changeset 15 | e8e3147d53eb |
parent 0 | e686773b3f54 |
child 24 | 0ba2181d7c28 |
child 26 | 0d28c1c5b6dd |
permissions | -rw-r--r-- |
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// Copyright (c) 2004-2009 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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@file |
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@internalComponent |
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@released |
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*/ |
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#include "persistencelayerimpl.h" |
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#include "clplcontactproperties.h" |
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#include "cntfilesearch.h" |
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#include <bautils.h> |
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#include "persistencelayer.h" |
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const TInt KDriveNameWidth = 2; // e.g. "C:" |
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_LIT(KSqLiteFilePrefix, "SQLite__"); |
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// Transaction constants (only used by CPplContactsFile) |
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_LIT(KStartTransaction,"BEGIN TRANSACTION;"); |
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_LIT(KCommitTransaction,"COMMIT;"); |
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_LIT(KRollbackTransaction,"ROLLBACK;"); |
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/** |
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@SYMPatchable |
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@publishedPartner |
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@released |
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Patchable optional constant that overrides the cache size of the Contacts model databases set in the |
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SqlServer.cfg file in the SQL data cage. |
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If this value is left at 0, the cache size from the SqlServer.cfg file is used. |
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The cache size affects the size of the cache in Kb that opens and creates Contacts model files. |
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See SQLite documentation for more details. |
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The constant can be changed at ROM build time using patchdata OBY keyword. |
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*/ |
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IMPORT_C extern const TInt KContactsModelSqliteDbCacheSize; |
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const TInt KCacheDataSize = 8; // The size in chars of patchable constant 'KContactsModelSqliteDbCacheSize' passed in |
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//configure string used to create and open sqlite database |
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_LIT8(KSqliteCacheSize, "cache_size=%d"); |
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/** |
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CPplContactsFile NewL. |
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*/ |
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CPplContactsFile* CPplContactsFile::NewL(CLplContactProperties& aProps, MContactDbObserver* aObserver) |
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{ |
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CPplContactsFile* self = new (ELeave) CPplContactsFile(aProps, aObserver); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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/** |
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CPplContactsFile ConstructL. |
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*/ |
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void CPplContactsFile::ConstructL() |
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{ |
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iItemManager = CPplContactItemManager::NewL(iDatabase, *this, iContactProperties, iIccContactStore); |
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iContactProperties.SetContactItemManagerL(*iItemManager); |
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iConfigureStr = NULL; |
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if(KContactsModelSqliteDbCacheSize > 0) |
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{ |
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//Create configure string to be used when creating/opening database |
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iConfigureStr = HBufC8::NewL(KSqliteCacheSize().Length() + KCacheDataSize); |
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TPtr8 ptrConfigureStr = iConfigureStr->Des(); |
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ptrConfigureStr.Format(KSqliteCacheSize(), KContactsModelSqliteDbCacheSize); |
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} |
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} |
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/** |
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CPplContactsFile constructor. |
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*/ |
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CPplContactsFile::CPplContactsFile(CLplContactProperties& aProps, MContactDbObserver* aObserver) |
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: |
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iActive(EFalse), |
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iDbObserver(aObserver), |
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iContactProperties(aProps), |
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iIccContactStore(aProps) |
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{ |
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} |
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/** |
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CPplContactsFile destructor. |
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*/ |
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CPplContactsFile::~CPplContactsFile() |
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{ |
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Close(); |
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delete iItemManager; |
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delete iConfigureStr; |
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} |
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109 |
|
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110 |
|
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/** |
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Set the database observer for event propagation. |
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113 |
*/ |
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void CPplContactsFile::RegisterDbObserver(MContactDbObserver& aDbObserver) |
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115 |
{ |
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iDbObserver = &aDbObserver; |
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} |
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118 |
|
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119 |
/** |
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120 |
Utility method used to construct physical path for a given file name |
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121 |
|
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@param aPhysicalFileName in/out paramter; file name to which physical path will be append |
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@param aSecuredFileName secured file name |
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*/ |
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void CPplContactsFile::GetPhysicalFileNameL(TDes& aPhysicalFileName, const TDesC& aSecuredFileName) |
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126 |
{ |
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GetPhysicalPathL(aPhysicalFileName, aSecuredFileName); |
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aPhysicalFileName.Append(KSqLiteFilePrefix); |
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aPhysicalFileName.Append(aSecuredFileName.Right(aSecuredFileName.Length() - KDriveNameWidth)); |
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} |
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131 |
|
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132 |
/** |
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133 |
Utility method used to construct physical path for a given file name |
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134 |
|
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@param aPhysicalFileName in/out paramter; file name to which physical path will be append |
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@param aSecuredFileName secured file name |
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*/ |
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void CPplContactsFile::GetPhysicalPathL(TDes& aPhysicalFileName, const TDesC& aSecuredFileName) |
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139 |
{ |
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const TUint16 KDriveDelimiter = ':'; |
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141 |
|
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// Check for the drive delimiter. |
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__ASSERT_ALWAYS(aSecuredFileName.Length() > 2 && |
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aSecuredFileName[1] == KDriveDelimiter, User::Leave(KErrBadName)); |
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145 |
|
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// Check for malformed file name (path included explicitly). |
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__ASSERT_ALWAYS(aSecuredFileName.Locate('\\') == KErrNotFound, User::Leave(KErrBadName)); |
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148 |
|
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// Get the private path from the file session. |
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const TInt KMaxPrivatePathLength = 32; |
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TBuf<KMaxPrivatePathLength> privatePath; |
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152 |
|
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LocalFsL(); |
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iLocalFs.PrivatePath(privatePath); |
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155 |
|
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aPhysicalFileName = aSecuredFileName.Left(KDriveNameWidth); |
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157 |
|
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// Set current drive. |
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iDatabaseDrive = aPhysicalFileName; |
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160 |
|
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aPhysicalFileName.Append(privatePath); |
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162 |
|
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// Make sure private path exists. |
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TInt err = iLocalFs.MkDirAll(aPhysicalFileName); |
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if (err != KErrNone && err != KErrAlreadyExists) |
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166 |
{ |
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User::Leave(err); |
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168 |
} |
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169 |
} |
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170 |
|
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171 |
/** |
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172 |
Open the given database file. |
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173 |
*/ |
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void CPplContactsFile::OpenL(const TDesC& aFileName, TBool aNotify) |
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175 |
{ |
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// Contact databases are in the Contact model private directory. |
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TFileName fileName; |
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GetPhysicalFileNameL(fileName, aFileName); |
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179 |
|
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iDatabase.Close(); |
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iDatabase.OpenL(fileName, iConfigureStr); |
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182 |
|
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iFileIsOpen = ETrue; |
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GenerateNotificationEventL(aNotify); |
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185 |
} |
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186 |
|
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187 |
/** |
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188 |
Utility method used to generate EContactDbObserverEventTablesOpened event |
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189 |
*/ |
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void CPplContactsFile::GenerateNotificationEventL(TBool aNotify) |
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191 |
{ |
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#if defined(__PROFILE_DEBUG__) |
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RDebug::Print(_L("[CNTMODEL] MTD: CPplContactsFile::GenerateNotificationEventL")); |
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#endif |
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195 |
|
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// Generate an event - this event is generated if this was an explicit call from the |
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// server to opentables or recover database - ie A call on the contactsDatabase API |
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if (iDbObserver && aNotify) |
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199 |
{ |
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TContactDbObserverEvent event; |
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event.iType = EContactDbObserverEventTablesOpened; |
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event.iContactId = 0; |
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event.iConnectionId = 0; |
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TRAP_IGNORE(iDbObserver->HandleDatabaseEventL(event)); |
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205 |
} |
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206 |
} |
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/** |
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Open the database tables (a state change, no action on file necessary). |
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*/ |
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void CPplContactsFile::OpenTablesL(TBool aNotify) |
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{ |
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// Do nothing but notify |
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#if defined(__PROFILE_DEBUG__) |
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_LIT(KMessage, "[CNTMODEL] MTD: CPplContactsFile::OpenTablesL"); |
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RDebug::Print(KMessage); |
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#endif |
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|
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iFileIsOpen = ETrue; |
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GenerateNotificationEventL(aNotify); |
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} |
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|
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|
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/** |
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Close the database tables leaving the iDatabase itself open. |
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Despite the trailing 'L', this method cannot leave. |
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*/ |
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void CPplContactsFile::CloseTablesL(TBool aNotify) |
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{ |
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// Do nothing but notify |
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|
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if (iDbObserver && aNotify) // Observer is optional. |
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{ |
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// Notify observers that table is closed. |
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TContactDbObserverEvent event; |
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event.iType = EContactDbObserverEventTablesClosed; |
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event.iContactId = 0; |
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event.iConnectionId = 0; |
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TRAP_IGNORE(iDbObserver->HandleDatabaseEventL(event)); |
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} |
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} |
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|
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/** |
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File cleanup class used if creating database and its tables leaves. |
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*/ |
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class TFileCleanup |
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{ |
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public: |
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TFileCleanup(RSqlDatabase& aDb, RFs& aFs, const TDesC& aFileName) : iDb(aDb),iFs(aFs),iFileName(aFileName) {} |
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static void Cleanup(TAny* aSelf) { STATIC_CAST(TFileCleanup*,aSelf)->DoCleanup(); } |
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|
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private: |
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void DoCleanup() |
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{ |
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iDb.Close(); |
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(void)iFs.Delete(iFileName); |
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} |
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|
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public: |
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RSqlDatabase& iDb; |
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RFs& iFs; |
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const TDesC& iFileName; |
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}; |
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|
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|
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/** |
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Create a new database. |
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*/ |
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EXPORT_C void CPplContactsFile::CreateL(const TDesC& aFileName, TPlCreateMode aMode) |
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{ |
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TFileName fileName; |
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GetPhysicalFileNameL(fileName, aFileName); |
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|
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TUint attVal; |
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LocalFsL(); |
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TInt err = iLocalFs.Att(fileName, attVal); |
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TBool fileExists = (err == KErrNone); |
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|
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if (fileExists) |
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{ |
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switch (aMode) |
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{ |
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case EPlLeaveIfExist: |
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User::Leave(KErrAlreadyExists); |
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break; |
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|
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case EPlOverwrite: |
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err = iLocalFs.Delete(fileName); |
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break; |
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} |
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} |
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|
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// If the database is not created propertly delete the database file using |
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// the cleanup item. |
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TFileCleanup cleanupData(iDatabase, iLocalFs, fileName); |
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CleanupStack::PushL(TCleanupItem(TFileCleanup::Cleanup,&cleanupData)); |
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|
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if ((err != KErrNone) && (err != KErrNotFound)) |
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{ |
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User::LeaveIfError(err); |
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} |
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305 |
|
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User::LeaveIfError(iDatabase.Create(fileName, iConfigureStr)); |
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iItemManager->CreateTablesL(); |
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iContactProperties.SystemTemplateManager().RecreateSystemTemplateL(); |
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309 |
|
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CleanupStack::Pop(); // The TCleanupItem. |
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311 |
|
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iDatabase.Close(); |
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} |
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314 |
|
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|
315 |
|
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/** |
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Delete the given database. |
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*/ |
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void CPplContactsFile::DeleteL(const TDesC& aFileName) |
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{ |
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TFileName fileName; |
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GetPhysicalFileNameL(fileName, aFileName); |
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323 |
|
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User::LeaveIfError(iLocalFs.Delete(fileName)); |
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iFileIsOpen = EFalse; |
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} |
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327 |
|
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328 |
|
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329 |
/** |
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Get a list of the contacts database on the given drive. |
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*/ |
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CDesCArray* CPplContactsFile::ListL(TDriveUnit* aDriveUnit) |
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333 |
{ |
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LocalFsL(); |
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return CCntFileScanner::ListFilesL(iLocalFs, aDriveUnit); |
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} |
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337 |
|
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338 |
|
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339 |
/** |
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Close the database. |
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341 |
*/ |
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void CPplContactsFile::Close(TBool aNotify) |
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343 |
{ |
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iDatabase.Close(); |
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iFileIsOpen = EFalse; |
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346 |
|
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REComSession::FinalClose(); // This line is necessary to make sure the plug-in is unloaded properly |
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iLocalFs.Close(); //we now use a local File Session |
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349 |
|
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iIccContactStore.Close(); |
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|
351 |
|
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TRAP_IGNORE(CloseTablesL(aNotify) ); // CloseTablesL() cannot leave anyway but still |
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353 |
// trap in case implementation changes later |
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354 |
} |
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|
355 |
|
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|
356 |
|
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357 |
/** |
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358 |
Starts a new transaction if one is not currently active otherwise leave. |
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|
359 |
*/ |
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360 |
void CPplContactsFile::StartTransactionL() |
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|
361 |
{ |
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362 |
if (iActive) |
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363 |
{ |
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User::Leave(KErrInUse); |
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365 |
} |
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User::LeaveIfError(iDatabase.Exec(KStartTransaction)); |
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iIccContactStore.StartTransactionL(); |
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iActive = ETrue; |
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369 |
} |
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|
370 |
|
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|
371 |
|
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372 |
/** |
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373 |
Commit all changes made since the transaction was started. |
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374 |
*/ |
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void CPplContactsFile::CommitCurrentTransactionL(TUint aSessionId) |
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376 |
{ |
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|
377 |
|
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378 |
if (!iActive) |
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|
379 |
{ |
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380 |
User::Leave(KErrNotReady); |
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|
381 |
} |
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382 |
iIccContactStore.CommitCurrentTransactionL(aSessionId); |
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Revision: 201003
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|
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User::LeaveIfError(iDatabase.Exec(KCommitTransaction)); |
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|
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iActive = EFalse; |
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Revision: 201003
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|
385 |
} |
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Revision: 201003
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|
386 |
|
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Revision: 201003
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|
387 |
|
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|
388 |
/** |
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|
389 |
Rollback all changes made since the active the transaction was started. |
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|
390 |
*/ |
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Revision: 201003
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|
391 |
void CPplContactsFile::RollbackCurrentTransactionL(TUint aSessionId) |
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|
392 |
{ |
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Revision: 201003
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|
393 |
// Check that the database is open before rolling back. |
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|
394 |
if (iFileIsOpen && iActive) |
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|
395 |
{ |
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Revision: 201003
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396 |
iActive = EFalse; |
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Revision: 201003
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|
397 |
iIccContactStore.RollbackCurrentTransaction(aSessionId); |
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User::LeaveIfError(iDatabase.Exec(KRollbackTransaction)); |
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Revision: 201003
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|
399 |
} |
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Revision: 201003
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|
400 |
} |
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Revision: 201003
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diff
changeset
|
401 |
|
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Revision: 201003
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|
402 |
/** |
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Revision: 201003
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|
403 |
Gets the size of the database file in bytes. |
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Revision: 201003
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|
404 |
|
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Revision: 201003
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|
405 |
@return The size of the contact database. |
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Revision: 201003
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|
406 |
*/ |
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Revision: 201003
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|
407 |
TInt CPplContactsFile::FileSize() const |
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Revision: 201003
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|
408 |
{ |
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Revision: 201003
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|
409 |
return iDatabase.Size(); |
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Revision: 201003
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|
410 |
} |
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Revision: 201003
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diff
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|
411 |
|
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diff
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|
412 |
|
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Revision: 201003
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|
413 |
/** |
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Revision: 201003
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|
414 |
Gets the current database drive. The database drive is the drive on which |
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Revision: 201003
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parents:
diff
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|
415 |
the default contact database is located. |
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Revision: 201003
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diff
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|
416 |
|
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Revision: 201003
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|
417 |
@param aDriveUnit On return, contains the database drive. |
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Revision: 201003
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|
418 |
*/ |
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Revision: 201003
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diff
changeset
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void CPplContactsFile::DatabaseDrive(TDriveUnit& aDriveUnit) |
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{ |
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aDriveUnit = iDatabaseDrive; |
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} |
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/** |
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A static method to determine if a given Contacts database exists. |
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@param aFileName The Contacts database to search for. |
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@return ETrue if the Contacts database is found, EFalse otherwise. |
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*/ |
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TBool CPplContactsFile::DatabaseExistsL(const TDesC& aFileName) |
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{ |
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TFileName fileName; |
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GetPhysicalFileNameL(fileName, aFileName); |
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LocalFsL(); |
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return BaflUtils::FileExists(iLocalFs, fileName); |
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} |
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