author | hgs |
Tue, 05 Oct 2010 13:32:14 +0530 | |
changeset 26 | 367228f82b66 |
parent 0 | ccd0fd43f247 |
child 27 | 7a8855317cbd |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 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: MDE object queuemanager for indexing scheduling |
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* |
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*/ |
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|
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#include "mdeobjectqueuemanager.h" |
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#include "harvesterserverlogger.h" |
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// DEFINES |
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#define INDEXING_QUEUE_MAX 300 // Maximum number of objects in the queue |
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#define INDEXING_DELAY 3000000 // Nano seconds to delay the monitored object |
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#define MAX_RETRY_COUNT 3 //maximum number of retry on not found object |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::NewL() |
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// ----------------------------------------------------------------------------- |
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// |
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CMdeObjectQueueManager* CMdeObjectQueueManager::NewL(MMediaObjectHandler* aHandler) |
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{ |
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CMdeObjectQueueManager* self = CMdeObjectQueueManager::NewLC(aHandler); |
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CleanupStack::Pop(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::NewLC() |
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// ----------------------------------------------------------------------------- |
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// |
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CMdeObjectQueueManager* CMdeObjectQueueManager::NewLC(MMediaObjectHandler* aHandler) |
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{ |
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CMdeObjectQueueManager* self = new (ELeave) CMdeObjectQueueManager(aHandler); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::~CMdeObjectQueueManager() |
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// ----------------------------------------------------------------------------- |
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// |
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CMdeObjectQueueManager::~CMdeObjectQueueManager() |
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{ |
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Cancel(); |
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iTimer.Close(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::CMdeObjectQueueManager() |
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// ----------------------------------------------------------------------------- |
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// |
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CMdeObjectQueueManager::CMdeObjectQueueManager(MMediaObjectHandler* aHandler): |
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CActive(CActive::EPriorityStandard), |
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iState(EStateNone), |
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iMdeObjectHandler(aHandler) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::ConstructL() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMdeObjectQueueManager::ConstructL() |
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{ |
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CActiveScheduler::Add(this); |
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User::LeaveIfError(iTimer.CreateLocal()); |
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iHState = EStateResume; |
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} |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::AddMdeItemToQueueL() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMdeObjectQueueManager::AddMdeItemToQueueL( TItemId aMsgId, |
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TCPixActionType aActionType) |
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{ |
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OverWriteOrAddToQueueL(aMsgId,aActionType); |
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ActivateAO(); |
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} |
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::OverWriteOrAddToQueueL() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMdeObjectQueueManager::OverWriteOrAddToQueueL( TItemId aObjId, |
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TCPixActionType aActionType) |
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{ |
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// Overwrite or add the index to the queue |
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TMdeActionRecord object; |
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object.iObjectId = aObjId; |
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object.iAction = aActionType; |
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for (TInt i=0; i<iJobQueue.Count(); i++) |
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{ |
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if (iJobQueue[i].iObjectId ==aObjId) |
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{ |
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// Older version found |
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iJobQueue[i] = object; |
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return; |
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} |
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} |
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|
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// older not found, append |
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iJobQueue.AppendL(object); |
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} |
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|
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void CMdeObjectQueueManager::ActivateAO() |
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{ |
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// Proceed only if the plugin is not in pause state |
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if ( iHState == EStateResume ) |
|
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{ |
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// Check the size against maximum queue size |
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if (iJobQueue.Count() > INDEXING_QUEUE_MAX) |
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{ |
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// Maximum is exceeded, force the write immediately |
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if (iState == EStateWaiting) |
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{ |
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iTimer.Cancel(); // RunL will be called with iStatus of KErrCancelled |
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} |
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else if (iState == EStateNone) |
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{ |
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SetActive(); |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete(status, KErrNone); // RunL will be called with iStatus of KErrNone |
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} |
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} |
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else |
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{ |
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// Maximum is not exceeded, keep waiting |
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if (iState == EStateNone) |
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{ |
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iState = EStateWaiting; |
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iTimer.After(iStatus, INDEXING_DELAY); // Wait 5 seconds before putting this to index |
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SetActive(); |
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} |
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} |
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} |
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} |
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0
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::RunL() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMdeObjectQueueManager::RunL() |
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{ |
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CPIXLOGSTRING("START CMdeObjectQueueManager::RunL"); |
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if ( iHState == EStatePause ) |
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{ |
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iState = EStateNone; |
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CPIXLOGSTRING("END CMdeObjectQueueManager::RunL as Harvester in Pause state"); |
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return; |
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} |
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while (iJobQueue.Count()>0 ) |
|
0
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{ |
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TMdeActionRecord object = iJobQueue[0]; |
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//iJobQueue.Remove(0); |
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//Let the indexer handle this object TRAP it as it can leave |
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TRAPD(err,iMdeObjectHandler->HandleMdeItemL(object.iObjectId, object.iAction)); |
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/*Process the Item for three time maximum if in case not able to be found from |
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MDS*/ |
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if(KErrNone == err) |
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{ |
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iJobQueue.Remove(0); |
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} |
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else if(KErrNotFound == err && object.iRetryCount < MAX_RETRY_COUNT) |
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{ |
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iJobQueue.Remove(0); //remove existing and add new one |
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object.iRetryCount++; |
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iJobQueue.AppendL(object); |
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CPIXLOGSTRING3("CMdeObjectQueueManager::RunL HandleMdeItemL Item Not found err = %d, iRetry = %d",err,object.iRetryCount); |
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} |
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else |
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{ |
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iJobQueue.Remove(0); //retry count exceeded remove it |
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} |
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} |
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#ifdef __PERFORMANCE_DATA |
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iMdeObjectHandler->UpdateLogL(); |
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#endif |
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// Everything is indexed no need to be waiting anymore |
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iState = EStateNone; |
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CPIXLOGSTRING("END CMdeObjectQueueManager::RunL"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::DoCancel() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMdeObjectQueueManager::DoCancel() |
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{ |
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iTimer.Cancel(); |
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iState = EStateNone; |
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} |
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204 |
|
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// ----------------------------------------------------------------------------- |
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// CCPixIndexerUtils::RunError() |
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// ----------------------------------------------------------------------------- |
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// |
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209 |
TInt CMdeObjectQueueManager::RunError() |
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{ |
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return KErrNone; |
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} |
26 | 213 |
|
214 |
// ----------------------------------------------------------------------------- |
|
215 |
// CCPixIndexerUtils::PauseL() |
|
216 |
// ----------------------------------------------------------------------------- |
|
217 |
// |
|
218 |
void CMdeObjectQueueManager::PauseL() |
|
219 |
{ |
|
220 |
iHState = EStatePause; |
|
221 |
} |
|
222 |
// ----------------------------------------------------------------------------- |
|
223 |
// CCPixIndexerUtils::ResumeL() |
|
224 |
// ----------------------------------------------------------------------------- |
|
225 |
// |
|
226 |
void CMdeObjectQueueManager::ResumeL() |
|
227 |
{ |
|
228 |
iHState = EStateResume; |
|
229 |
ActivateAO(); |
|
230 |
} |
|
231 |
||
0
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232 |
//End of file |