author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 01:03:15 +0200 | |
changeset 0 | 307788aac0a8 |
permissions | -rw-r--r-- |
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// Copyright (c) 2002-2009 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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// Name : DeleteMgr.cpp |
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// Part of : SIPCommon |
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// Version : SIP/3.0 |
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// |
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#include "DeleteMgr.h" |
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::NewL |
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// Start listening for requests |
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// ----------------------------------------------------------------------------- |
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// |
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CDeleteMgr* CDeleteMgr::NewL() |
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{ |
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CDeleteMgr* self = new (ELeave) CDeleteMgr; |
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CActiveScheduler::Add(self); |
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self->WaitForRequests(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::CDeleteMgr |
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// ----------------------------------------------------------------------------- |
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// |
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CDeleteMgr::CDeleteMgr() : CActive(EPriorityStandard) |
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#ifdef CPPUNIT_TEST |
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//For unit tests the granularity of arrays is set to 1 to cause them to |
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//allocate memory every time an item is appended to array |
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, iDeleteRequests(1) |
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#endif |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::~CDeleteMgr |
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// ----------------------------------------------------------------------------- |
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// |
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CDeleteMgr::~CDeleteMgr() |
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{ |
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iDeleteRequests.ResetAndDestroy(); |
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//Make sure CDeleteMgr isn't active anymore |
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Cancel(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::WaitForRequests |
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// ----------------------------------------------------------------------------- |
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// |
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void CDeleteMgr::WaitForRequests() |
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{ |
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__ASSERT_DEBUG(!IsActive(), |
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User::Panic(_L("CDeleteMgr::WaitForRequests() already active"), |
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EDeleteMgrFncPrecondNotMet)); |
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if (!IsActive()) |
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{ |
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iStatus = KRequestPending; |
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SetActive(); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::AddDeleteRequest |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CDeleteMgr::AddDeleteRequest(const CBase* aItemToDelete) |
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{ |
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if (!aItemToDelete) |
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{ |
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return KErrArgument; |
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} |
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//It is not allowed to delete CDeleteMgr itself |
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if (aItemToDelete == this) |
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{ |
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return KErrArgument; |
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} |
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//Duplicate entries are not allowed |
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if (iDeleteRequests.Find(aItemToDelete) != KErrNotFound) |
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{ |
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return KErrAlreadyExists; |
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} |
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//CActive::iActive won't tell whether User::RequestComplete() has already |
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//been called, so iStatus is inspected to see whether a previous call to |
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//AddDeleteRequestL() has already called User::RequestComplete(). |
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if (iStatus == KRequestPending) |
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{ |
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//Wake up to process the request |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete(status, KErrNone); |
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} |
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110 |
|
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return iDeleteRequests.Append(aItemToDelete); |
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} |
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113 |
|
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::DoCancel |
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// ----------------------------------------------------------------------------- |
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// |
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void CDeleteMgr::DoCancel() |
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{ |
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//Complete the request |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete(status, KErrCancel); |
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} |
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124 |
|
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::RunL |
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// Handle all requests and then start waiting for the next request |
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// ----------------------------------------------------------------------------- |
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// |
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void CDeleteMgr::RunL() |
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{ |
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iDeleteRequests.ResetAndDestroy(); |
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WaitForRequests(); |
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} |
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135 |
|
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// ----------------------------------------------------------------------------- |
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// CDeleteMgr::RunError |
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// Since RunL() won't leave this shouldn't be called. |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CDeleteMgr::RunError(TInt aError) |
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{ |
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if (aError == KErrNoMemory) |
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{ |
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return aError; |
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} |
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|
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return KErrNone; |
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} |