diff -r 2e1adbfc62af -r ee64f059b8e1 internetradio2.0/uiinc/irdiskspacewatcher.h --- a/internetradio2.0/uiinc/irdiskspacewatcher.h Mon May 03 12:25:23 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,136 +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 CIRDiskSpaceWatcher -* -*/ - -#ifndef CIRDISKSPACEWATCHER_H -#define CIRDISKSPACEWATCHER_H - -#include -#include - -#include "irdiskspacewatcherobserver.h" - -class CIRDiskSpaceSession; - -// Default drive. Used to save for example settings and cache files. -const TDriveNumber KVRDefaultDrive = EDriveC; - -/** - * CIRDiskSpaceWatcher. Watcher of disk space on defined disks. - * - * Observes a disk and notifies the observer if the supplied critical disk - * space limit is reached. - */ -NONSHARABLE_CLASS( CIRDiskSpaceWatcher ): public CBase, public MIRDiskSpaceWatcherObserver - { - -public: // Methods - - /** - * Static constructor. - * - * @param aCriticalLevel, critical disk space level - * @param aDiskSpaceWatcherObserver observer of disk space status - */ - static CIRDiskSpaceWatcher* NewL( const TInt64& aCriticalLevel, - MIRDiskSpaceWatcherObserver& aDiskSpaceWatcherObserver ); - - /** - * Destructor. - */ - virtual ~CIRDiskSpaceWatcher(); - - /** - * IsBelowCriticalLevel Returns whether or disk defined by parameter - * contains less than the critical level free disk space. - * Please note that StartObservingDriveL must have been called - * before calling this. Otherwise method will return EFalse whetever - * disk space is below critical level or not. - * - * @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; - - /** - * Starts observing space of drive which is given as parameter - * - * @param aDriveNumber drive which will be observed - */ - void StartObservingDriveL( const TDriveNumber& aDriveNumber ); - - /** - * Stops observing space of drive which is given as parameter. - * Please note that if drive is observed by some other object - * it will be observed until all objects have asked - * VRDiskSpaceWatcher to stop observing that drive. - * - * @param aDriveNumber drive which observing will be stopped. - */ - void StopObservingDrive( const TDriveNumber& aDriveNumber ); - - // From base class MIRDiskSpaceWatcherObserver - /** - * From MIRDiskSpaceWatcherObserver - * - * @see MIRDiskSpaceWatcherObserver::NotifyLowDiskSpaceL() - */ - - void NotifyLowDiskSpaceL(); - -protected: - -private: - - /** - * C++ default constructor. - * - * @param aCriticalLevel, critical disk space level - * @param aDiskSpaceWatcherObserver observer of disk space status - */ - CIRDiskSpaceWatcher( const TInt64& aCriticalLevel, - MIRDiskSpaceWatcherObserver& aDiskSpaceWatcherObserver ); - - /** - * By default Symbian 2nd phase constructor is private. - */ - void ConstructL(); - -private: // Data - - /** - * Handle to the file system. - */ - RFs iFs; - - /** - * Critical disk space level. - */ - const TInt64 iCriticalLevel; - - /** - * The observer to be notified when critical disk space limit is reached. - */ - MIRDiskSpaceWatcherObserver& iObserver; - - /** - * Contains active objects which do the actual disk space checking - */ - RPointerArray iDiskSpaceSessions; - }; - -#endif // IRDISKSPACEWATCHER_H