diff -r 2e1adbfc62af -r ee64f059b8e1 internetradio2.0/uiinc/irdiskspacesession.h --- a/internetradio2.0/uiinc/irdiskspacesession.h Mon May 03 12:25:23 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,162 +0,0 @@ -/* -* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). -* All rights reserved. -* This component and the accompanying materials are made available -* under the terms of "Eclipse Public License v1.0" -* which accompanies this distribution, and is available -* at the URL "http://www.eclipse.org/legal/epl-v10.html". -* -* Initial Contributors: -* Nokia Corporation - initial contribution. -* -* Contributors: -* -* Description: Header for CIRDiskSpaceSession -* -*/ - -#ifndef C_IRDISKSPACESESSION_H -#define C_IRDISKSPACESESSION_H - -#include -#include - -class MIRDiskSpaceWatcherObserver; - -/** - * Defines disk space observer. - * - * Observers defined disk and notifies observer if disk space drops below - * certain level. - */ -NONSHARABLE_CLASS( CIRDiskSpaceSession ) : public CActive - { - -public: - - /** - * Static constructor - * - * @param aDiskSpaceSessionObserver Observer who is interested if disk - * space drops below certain level. - * @param aDriveNumber drive to observe - * @param aCriticalLevel critical disk space level in bytes. If disk - * space falls below this observer is notified. - */ - static CIRDiskSpaceSession* NewL(MIRDiskSpaceWatcherObserver& - aDiskSpaceSessionObserver, - const TDriveNumber& aDriveNumber, - const TInt64& aCriticalLevel, - RFs& aFs ); - - /** - * Destructor - */ - ~CIRDiskSpaceSession(); - - /** - * Tells observed drive. - * - * @return Drive number which is been observed by this session. - */ - TDriveNumber DriveNumber(); - - /** - * Sets observer count - * - * @param aObserverCount observer count - */ - void SetObserverCount( TInt aObserverCount ); - - /** - * Returns observer count - * - * @return observer count - */ - TInt ObserverCount(); - - /** - * IsBelowCriticalLevel Returns whether or disk defined by parameter - * contains less than the critical level free disk space. - * - * @param aDriveNumber drive which space is checked - * @return ETrue if there is less free disk space than the critical - * level, otherwise EFalse. - */ - TBool IsBelowCriticalLevel( const TDriveNumber& aDriveNumber ) const; - -protected: - - // from base class CActive - /** - * From CActive - * - * @see CActive::DoCancel() - */ - void DoCancel(); - - /** - * From CActive - * - * Invoked when the observed disk's free disk space has run - * below the supplied critical level. - * Notifies the observer and regenerates the request to RFs' - * NotifyDiskSpace. - * @see CActive::RunL() - */ - void RunL(); - -private: - - /** - * C++ default constructor. Sets references. - * - * @param aDiskSpaceSessionObserver Observer who is interested if disk - * space drops below certain level. - * @param aDriveNumber drive to observe - * @param aCriticalLevel critical disk space level in bytes. If disk - * space falls below this observer is notified. - */ - CIRDiskSpaceSession(MIRDiskSpaceWatcherObserver& - aDiskSpaceSessionObserver, - const TDriveNumber& aDriveNumber, - const TInt64& aCriticalLevel, - RFs& aFs ); - - /** - * Second phase constructor - */ - void ConstructL(); - -private: - - /** - * The observer to be notified when critical disk space limit is reached. - */ - MIRDiskSpaceWatcherObserver& iObserver; - - /** - * Drive to be observed. - */ - const TDriveNumber iDriveNumber; - - /** - * Critical disk space level. - */ - const TInt64 iCriticalLevel; - - /** - * Handle to the file system. - */ - RFs& iFs; - - /** - * Number of observers of this drive. When observer count drops to - * zero drive observation can be stopped. - */ - TInt iObserverCount; - - }; - - -#endif // C_IRDISKSPACESESSION_H