diff -r 5b2a402e96ac -r 25fce757be94 usbuis/usbui/USBClassChangeUIPlugin/inc/USBClassChangeUIPluginCRWatcher.h --- a/usbuis/usbui/USBClassChangeUIPlugin/inc/USBClassChangeUIPluginCRWatcher.h Thu Aug 19 10:54:11 2010 +0300 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,142 +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: Central repository key watcher class. -* -*/ - - -#ifndef USBCLASSCHANGEUIPLUGINCRWATCHER_H -#define USBCLASSCHANGEUIPLUGINCRWATCHER_H - -// INCLUDES -#include - -// FORWARD DECLARATIONS -class CRepository; - -/** -* A callback interface for informing change of a setting in Central Repository -*/ -class MUSBUICRSettingObserver - { - public: // New functions - - /** - * Informs the observer that a setting has been changed. - * @param aKey The changed key. - * @return None. - */ - virtual void SettingChangedL( TUint32 aKey ) = 0; - }; - - -/** -* CUSBClassChangeUIPluginCRWatcher detects a change of the value of the CR key. -* CUSBClassChangeUIPluginCRWatcher provides CActive object that is used to -* detect when the value of the selected key in Central Repository is changed -* by the USBWatcher. One observer can be notified by one or more -* USBClassChangeUIPluginCRWatcher objects, each watching different keys. -*/ -class CUSBClassChangeUIPluginCRWatcher : public CActive - { - - public: - - /** - * Factory method NewL - * @param aOwner The observer to be notified on the change. - * @param aKey The Central Repository key to be watched. - * @param aOneShot If false, the listening is restarted after change. - * @return The new watcher object. - */ - static CUSBClassChangeUIPluginCRWatcher* NewL( - MUSBUICRSettingObserver& aOwner, TUint32 aKey, - TBool aOneShot = EFalse); - - /** - * Starts listening for notifications. If already listening, nothing - * happens. - */ - void StartListeningL(); - - /** - * Stops listening for notifications. If already stopped, nothing - * happens. - * @param none - * @return none - */ - void StopListening(); - - /** - * C++ default constructor - * @param aOwner The observer to be notified on the change. - * @param aKey The Central Repository key to be watched. - * @param aOneShot If false, the listening is restarted after change. - */ - CUSBClassChangeUIPluginCRWatcher( - MUSBUICRSettingObserver& aOwner, TUint32 aKey, - TBool aOneShot = EFalse); - - /** - * Destructor. - */ - virtual ~CUSBClassChangeUIPluginCRWatcher(); - - private: - - /** - * Constructor. - * @param none - */ - - void ConstructL(); - - /** - * Implements CActive - * If this is not a one-shot CR watcher, the listening is restarted. - * @param none - * @return none - */ - void RunL(); - - /** - * Implements CActive - * @param aError the error returned - * @return error - */ - TInt RunError(TInt aError); - - /** - * Implements CActive - * @param none - * @return none - */ - void DoCancel(); - - - private: - /** USB Watcher repository access */ - CRepository* iPersonalityRepository; - /** The observer to be notified */ - MUSBUICRSettingObserver& iOwner; - /** The repository key to be watcher */ - TUint32 iKey; - /** If iOneShot is false, listening is restarted on notification */ - TBool iOneShot; - }; - - -#endif // USBCLASSCHANGEUIPLUGINCRWATCHER_H - -// End of File