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/*
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* Copyright (c) 2008-2010 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: AT NVRAM status change listener and notifier
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*
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*/
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#include "DunAtNvramListen.h"
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#include "DunDebug.h"
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtNvramListen* CDunAtNvramListen::NewL( RATExt* aAtCmdExt,
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RATExtCommon* aAtCmdExtCommon )
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{
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CDunAtNvramListen* self = NewLC( aAtCmdExt, aAtCmdExtCommon );
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CleanupStack::Pop( self );
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return self;
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}
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtNvramListen* CDunAtNvramListen::NewLC( RATExt* aAtCmdExt,
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RATExtCommon* aAtCmdExtCommon )
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{
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CDunAtNvramListen* self = new (ELeave) CDunAtNvramListen(
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aAtCmdExt,
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aAtCmdExtCommon );
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CleanupStack::PushL( self );
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self->ConstructL();
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return self;
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}
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtNvramListen::~CDunAtNvramListen()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::~CDunAtNvramListen()") ));
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ResetData();
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FTRACE(FPrint( _L("CDunAtNvramListen::~CDunAtNvramListen() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Resets data to initial values
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// ---------------------------------------------------------------------------
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//
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void CDunAtNvramListen::ResetData()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::ResetData()") ));
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// APIs affecting this:
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// IssueRequest()
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Stop();
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// Internal
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Initialize();
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FTRACE(FPrint( _L("CDunAtNvramListen::ResetData() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Starts waiting for NVRAM status changes
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// ---------------------------------------------------------------------------
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//
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TInt CDunAtNvramListen::IssueRequest()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::IssueRequest()") ));
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if ( IsActive() )
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::IssueRequest() (not ready) complete") ));
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return KErrNotReady;
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}
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if ( !iStarted )
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{
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iAtCmdExtCommon->GetNvramStatus( iNvramBuffer );
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iAtCmdExt->BroadcastNvramStatusChange( iNvramBuffer );
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iStarted = ETrue;
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}
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iAtCmdExtCommon->ReceiveNvramStatusChange( iStatus, iNvramBuffer );
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SetActive();
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FTRACE(FPrint( _L("CDunAtNvramListen::IssueRequest() complete") ));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Stops waiting for NVRAM status changes
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// ---------------------------------------------------------------------------
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//
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void CDunAtNvramListen::Stop()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::Stop()") ));
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Cancel();
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FTRACE(FPrint( _L("CDunAtNvramListen::Stop() complete") ));
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// Note: Don't mark iStarted to EFalse here!
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}
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// ---------------------------------------------------------------------------
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// CDunAtNvramListen::CDunAtNvramListen
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// ---------------------------------------------------------------------------
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//
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CDunAtNvramListen::CDunAtNvramListen( RATExt* aAtCmdExt,
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RATExtCommon* aAtCmdExtCommon ) :
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CActive( EPriorityHigh ),
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iAtCmdExt( aAtCmdExt ),
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iAtCmdExtCommon( aAtCmdExtCommon )
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{
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Initialize();
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}
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// ---------------------------------------------------------------------------
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// CDunAtNvramListen::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CDunAtNvramListen::ConstructL()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::ConstructL()") ));
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if ( !iAtCmdExt || !iAtCmdExtCommon )
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{
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User::Leave( KErrGeneral );
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}
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CActiveScheduler::Add( this );
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FTRACE(FPrint( _L("CDunAtNvramListen::ConstructL() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Initializes this class
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// ---------------------------------------------------------------------------
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//
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void CDunAtNvramListen::Initialize()
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{
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// Don't initialize iAtCmdExt here (it is set through NewL)
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// Don't initialize iAtCmdExtCommon here (it is set through NewL)
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iStarted = EFalse;
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Gets called when NVRAM has changed
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// ---------------------------------------------------------------------------
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//
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void CDunAtNvramListen::RunL()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::RunL()") ));
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TInt retTemp = iStatus.Int();
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::RunL() (ERROR) complete (%d)"), retTemp ));
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return;
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}
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iAtCmdExt->BroadcastNvramStatusChange( iNvramBuffer );
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IssueRequest();
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FTRACE(FPrint( _L("CDunAtNvramListen::RunL() complete") ));
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Gets called on cancel
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// ---------------------------------------------------------------------------
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//
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void CDunAtNvramListen::DoCancel()
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{
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FTRACE(FPrint( _L("CDunAtNvramListen::DoCancel()") ));
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iAtCmdExtCommon->CancelReceiveNvramStatusChange();
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FTRACE(FPrint( _L("CDunAtNvramListen::DoCancel() complete") ));
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}
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