author | sl |
Tue, 10 Jun 2014 14:32:02 +0200 | |
changeset 1 | 260cb5ec6c19 |
permissions | -rw-r--r-- |
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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 the License "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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|
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|
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#include "activewaiter.h" |
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|
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CActiveWaiter::CActiveWaiter() |
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: CActive(CActive::EPriorityStandard) |
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{ |
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CActiveScheduler::Add(this); |
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} |
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|
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CActiveWaiter::~CActiveWaiter() |
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{ Cancel(); } |
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|
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|
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void CActiveWaiter::WaitActiveL(TInt aExpectedStatus /*=KErrNone*/) |
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{ |
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ASSERT(!iScheduler.IsStarted()); |
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SetActive(); |
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|
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iScheduler.Start(); |
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|
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if(iStatus.Int() != aExpectedStatus) |
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{ |
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User::Leave(iStatus.Int()); |
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} |
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} |
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|
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/** |
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Sets the active scheduler active and immidiately Cancels, calling the |
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supplied cancel observer during DoCancel(); |
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@param aCancelObserver performs and DoCancel() operations on behalf of this object |
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*/ |
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void CActiveWaiter::SetActiveAndCancel(MActiveWaiterObserver& aCancelObserver) |
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{ |
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ASSERT(!iScheduler.IsStarted()); |
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ASSERT(iCancelObserver == NULL); |
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SetActive(); |
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|
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iCancelObserver = &aCancelObserver; |
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|
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Cancel(); |
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} |
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|
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/** |
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Cancels the current operation, and stops the active scheduler loop, |
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allowing a previous call to WaitActiveL() to return. |
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@param aCancelObserver performs and DoCancel() operations on behalf of this object |
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*/ |
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void CActiveWaiter::CancelWaitActive(MActiveWaiterObserver& aCancelObserver) |
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{ |
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ASSERT(iScheduler.IsStarted()); |
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ASSERT(iCancelObserver == NULL); |
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|
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iCancelObserver = &aCancelObserver; |
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|
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Cancel(); |
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|
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ASSERT(iScheduler.CanStopNow()); |
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iScheduler.AsyncStop(); |
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} |
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|
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void CActiveWaiter::RunL() |
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{ |
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if (iScheduler.IsStarted()) |
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{ |
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ASSERT(iScheduler.CanStopNow()); |
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iScheduler.AsyncStop(); |
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} |
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} |
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|
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void CActiveWaiter::DoCancel() |
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{ |
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ASSERT(iCancelObserver != NULL); |
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|
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iCancelObserver->DoCancel(); |
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iCancelObserver = NULL; |
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} |