author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 May 2010 12:46:34 +0300 | |
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parent 3 | ee64f059b8e1 |
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 "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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#ifndef CIRDISKSPACEOBSERVER_H |
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#define CIRDISKSPACEOBSERVER_H |
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#include <e32base.h> // CActive |
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#include <f32file.h> // RFs |
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class MIRDiskSpaceObserverInterface; |
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/** |
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* Defines disk space observer. |
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* |
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* Observers defined disk and notifies observer if disk space drops below |
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* certain level. |
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*/ |
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class CIRDiskSpaceObserver : public CActive |
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{ |
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public: |
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/** |
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* Static constructor |
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* |
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* @param aObserver Observer who is interested if disk |
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* space drops below certain level. |
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*/ |
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static CIRDiskSpaceObserver* NewL(MIRDiskSpaceObserverInterface* aObserver); |
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static CIRDiskSpaceObserver* NewLC(MIRDiskSpaceObserverInterface* aObserver); |
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/** |
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* Destructor |
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*/ |
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~CIRDiskSpaceObserver(); |
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/** |
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* Start Monitoring |
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*/ |
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void Start(const TInt64 aCriticalLevel); |
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/** |
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* Tells observed critical level. |
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* |
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* @return critical level which is been observed by this session. |
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*/ |
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TInt64 CriticalLevel() const; |
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/** |
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* Returns whether or disk defined by parameter |
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* contains less than the critical level free disk space. |
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*/ |
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TBool IsBelowCriticalLevel(const TInt64 aCriticalLevel) const; |
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protected: |
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/** |
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* From CActive |
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*/ |
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void DoCancel(); |
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void RunL(); |
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private: |
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/** |
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* C++ constructor. |
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*/ |
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CIRDiskSpaceObserver(MIRDiskSpaceObserverInterface* aObserver); |
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/** |
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* Second phase constructor |
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*/ |
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void ConstructL(); |
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void Run(); |
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private: |
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/** |
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* The observer to be notified when critical disk space limit is reached. |
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*/ |
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MIRDiskSpaceObserverInterface* iObserver; |
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/** |
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* Critical disk space level. |
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*/ |
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TInt64 iCriticalLevel; |
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/** |
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* Handle to the file system. |
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*/ |
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RFs iFs; |
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}; |
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Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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#endif // CIRDISKSPACEOBSERVER_H |