author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 10:59:40 +0300 | |
branch | RCL_3 |
changeset 52 | b852595f5cbe |
parent 0 | 56b72877c1cb |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2008 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: Class header for CWsfWlanScanner |
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* |
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*/ |
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#ifndef C_WSFWLANSETTINGSACCESSOR_H |
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#define C_WSFWLANSETTINGSACCESSOR_H |
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// EXTERNAL INCLUDES |
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#include <e32base.h> |
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#include <commsdattypesv1_1.h> |
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// INTERNAL INCLUDES |
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#include "wlanmgmtcommon.h" |
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#include "wlanscaninfo.h" |
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// FORWARD DECLARATIONS |
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class CCDWlanDeviceSettingsRecord; |
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class MWsfWlanScanIntervalChangeObserver; |
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// CLASS DEFINITION |
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/** |
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* Class to monitor WLAN background scan interval and Show WLAN availability |
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* flag value |
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* |
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* @since S60 5.0 |
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* @lib wsfserver.exe |
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*/ |
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NONSHARABLE_CLASS( CWsfWlanSettingsAccessor ): public CActive |
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{ |
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public: // Constructors and destructor |
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/** |
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* Factory function. |
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* @since S60 5.0 |
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* @param aDbSession Reference to the database session to use |
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* @return Class instance |
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*/ |
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static CWsfWlanSettingsAccessor* NewL( |
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CommsDat::CMDBSession& aDbSession ); |
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/** |
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* Factory function. |
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* @since S60 5.0 |
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* @param aDbSession Reference to the database session to use |
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* @return Class instance |
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*/ |
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static CWsfWlanSettingsAccessor* NewLC( |
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CommsDat::CMDBSession& aDbSession ); |
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/** |
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* Destructor. |
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*/ |
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~CWsfWlanSettingsAccessor(); |
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private: // Constructors |
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/** |
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* Constructor |
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* @since S60 5.0 |
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* @param aDbSession Reference to the database session to use |
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* @return Class instance |
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*/ |
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CWsfWlanSettingsAccessor( CommsDat::CMDBSession& aDbSession ); |
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/** |
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* Second-phase constructor. |
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* @since S60 5.0 |
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*/ |
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void ConstructL(); |
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public: // new methods |
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/** |
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* Returns the value of the scan interval |
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* @since S60 5.0 |
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* @return The value of the scan interval in seconds |
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*/ |
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TUint ScanInterval() const; |
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/** |
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* Returns the value of the show WLAN availability flag |
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* @since S60 5.0 |
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* @return The value of the flag |
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*/ |
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TBool ShowAvailability() const; |
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/** |
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* Requests notification for when the scan interval changes |
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* @since S60 5.0 |
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* @param aObserver The observer object to be notified |
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*/ |
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void RequestNotificationL( |
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MWsfWlanScanIntervalChangeObserver& aObserver ); |
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|
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/** |
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* Cancels the change notifications |
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* @since S60 5.0 |
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*/ |
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void CancelNotifications(); |
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|
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|
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private: // New methods |
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/** |
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* Does the actual setting check |
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* @since S60 5.0 |
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* @param aBgScanInterval Variable to store the latest background scan |
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* interval value |
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* @param aShowAvailability Variable to store the latest Show WLAN |
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* availability flag value |
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*/ |
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void DoCheckSettingL( TUint& aBgScanInterval, |
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TBool& aShowAvailability); |
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|
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/** |
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* Checks if the current bgscaninterval/availability flag is different |
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* from the previously retrieved value |
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* @since S60 5.0 |
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* @return ETrue if the settings has been changed |
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*/ |
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TBool CheckIfSettingChangedL(); |
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|
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/** |
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* Reissues the request for database notification |
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* @since S60 5.0 |
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*/ |
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void IssueNotificationRequestL(); |
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|
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|
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private: // from CActive |
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/** |
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* Implements cancellation of an outstanding request. |
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* @since S60 5.0 |
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*/ |
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void DoCancel(); |
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|
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/** |
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* Handles an active object's request completion event. |
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* @since S60 5.0 |
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*/ |
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void RunL(); |
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|
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/** |
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* Handles a leave occurring in RunL(). |
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* @since S60 5.0 |
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* @param aError Leave code |
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* @return aError |
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*/ |
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TInt RunError( TInt aError ); |
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|
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|
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private: // Data |
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/** |
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* Handle to the database session (not owned) |
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*/ |
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CommsDat::CMDBSession* iDbSession; |
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|
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/** |
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* Reference to the observer object (not owned) |
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*/ |
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MWsfWlanScanIntervalChangeObserver* iChangeObserver; |
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|
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/** |
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* Instance of the WLAN settings record (owned) |
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*/ |
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CCDWlanDeviceSettingsRecord* iWlanSettingsRecord; |
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|
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/** |
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* The last retrieved bgscaninterval value (in seconds) |
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*/ |
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TUint iScanInterval; |
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|
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/** |
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* Table ID for the WLAN settings table |
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*/ |
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CommsDat::TMDBElementId iTableId; |
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|
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/** |
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* Hold-up timer to avoid notification bursts |
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*/ |
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RTimer iTimer; |
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|
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/** |
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* Indicates whether the processing has been activated but got held up |
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*/ |
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TBool iBeingHeldUp; |
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|
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/** |
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* Indicates whether show wlan availability flag is on |
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*/ |
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TBool iShowAvailability; |
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}; |
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|
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#endif // C_WSFWLANSETTINGSACCESSOR_H |
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209 |