diff -r 0efa10d348c0 -r a5a39a295112 homescreenpluginsrv/hspsmanager/src/hspsbrobserver.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/homescreenpluginsrv/hspsmanager/src/hspsbrobserver.cpp Wed Sep 01 12:22:09 2010 +0100 @@ -0,0 +1,154 @@ +/* +* Copyright (c) 2008 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: Implementation of CHSPSBRObserver class +* +*/ + + +#include +#include "hspsbrobserver.h" +#include "hspsthemeserver.h" + + +// ======== LOCAL FUNCTIONS ==================================================== + + +// ======== MEMBER FUNCTIONS =================================================== + + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::CHSPSBRObserver +// C++ default constructor can NOT contain any code, that +// might leave. +// ----------------------------------------------------------------------------- +// +CHSPSBRObserver::CHSPSBRObserver( ChspsThemeServer& aServer ): + CActive(CActive::EPriorityStandard), + iServer( aServer ) + { + CActiveScheduler::Add( this ); + } + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CHSPSBRObserver::ConstructL() + { + User::LeaveIfError( iProperty.Attach( + KUidSystemCategory, + conn::KUidBackupRestoreKey ) ); + } + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +CHSPSBRObserver* CHSPSBRObserver::NewL( ChspsThemeServer& aServer ) + { + CHSPSBRObserver* self = new( ELeave ) CHSPSBRObserver( aServer ); + + CleanupStack::PushL( self ); + self->ConstructL(); + CleanupStack::Pop( self ); + + return self; + } + + +// Destructor +CHSPSBRObserver::~CHSPSBRObserver() + { + Cancel(); + iProperty.Close(); + } + + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::Start +// Start the system agent to listen to the event +// (other items were commented in a header). +// ----------------------------------------------------------------------------- +// +void CHSPSBRObserver::Start() + { + Cancel(); + iProperty.Subscribe( iStatus ); + SetActive(); + } + + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::RunError +// ----------------------------------------------------------------------------- +// +TInt CHSPSBRObserver::RunError(TInt aError) + { + if( aError != KErrCancel ) + { + Start(); + } + else + { + Cancel(); + iProperty.Close(); + } + return KErrNone; + }; + + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::RunL +// from CActive +// (other items were commented in a header). +// ----------------------------------------------------------------------------- +// +void CHSPSBRObserver::RunL() + { + // Resubscribe before processing new value to prevent missing updates + TInt backupStatus = 0; + TInt err( iStatus.Int() ); + if ( err == KErrNone ) + { + Start(); + User::LeaveIfError( iProperty.Get( + KUidSystemCategory, + conn::KUidBackupRestoreKey, backupStatus ) ); + // Forward backup status to listening server + iServer.HandleBREventL( backupStatus ); + } + else if ( err != KErrCancel ) // Ignore all errors except cancel + { + Start(); + } + else // When cancel occurs, stop everything + { + User::Leave( KErrCancel ); + } + } + +// ----------------------------------------------------------------------------- +// CHSPSBRObserver::DoCancel +// From CActive +// (other items were commented in a header). +// ----------------------------------------------------------------------------- +// +void CHSPSBRObserver::DoCancel() + { + iProperty.Cancel(); + } + +// End of file