bluetoothengine/bteng/bttoggle/src/bttoggle.cpp
author hgs
Sat, 24 Apr 2010 00:12:05 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2009 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:  Bluetooth Toggle application is being used by Telephony for 
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 *  							switching on/off Bluetooth when a long key press of asterisk 
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 *  							is detected 
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 *
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*/
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//  Include Files  
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#include "bttoggle.h"
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#include "btengprivatecrkeys.h"
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#include "btengsrvbbconnectionmgr.h"
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#include "debug.h"
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#include <e32base.h>
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#include <e32std.h>
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void Panic(TBTTogglePanic aPanic)
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  {
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  User::Panic(KBTTogglePanicCat, aPanic);
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  }
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LOCAL_C void DoStartL()
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  {
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  //Create active scheduler (to run active objects)
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  CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();
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  CleanupStack::PushL (scheduler );
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  CActiveScheduler::Install (scheduler );
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  CBTToggle* bttoggle = CBTToggle::NewL();			
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  bttoggle->ToggleBT();
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  CActiveScheduler::Start();
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  delete bttoggle; 		
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  CleanupStack::PopAndDestroy (scheduler );
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  return; 
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  }
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//  Global Functions
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GLDEF_C TInt E32Main()
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  {	 	
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  CTrapCleanup* cleanup = CTrapCleanup::New();	
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  // Run application code inside TRAP harness		
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  TRAPD(mainError, DoStartL());
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  if (mainError)
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    {
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    TRACE_INFO((_L("[BTENG][BTTOGGLE]DoStartL error: %d" ), mainError))
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    }
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  delete cleanup;		
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  return KErrNone;
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  }
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// ==========================================================
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// CBTToggle::CBTToggle()
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// Constructor
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// ==========================================================
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//
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CBTToggle::CBTToggle() : CActive(EPriorityStandard)
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		    {		
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		    }
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// ==========================================================
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// CBTToggle::~CBTToggle()
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// Destructor
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// ==========================================================
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//
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CBTToggle::~CBTToggle()
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  {
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  TRACE_FUNC_ENTRY
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  Cancel(); 		
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  delete iSettings; 	
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  iNotifier.Close();		
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  iLinkCountProperty.Close();
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  TRACE_FUNC_EXIT
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  }
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// ==========================================================
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// CBTToggle::ConstructL
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// 
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// ==========================================================
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//
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void CBTToggle::ConstructL()
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  {
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  TRACE_FUNC_ENTRY		
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  iSettings = CBTEngSettings::NewL(NULL);	
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  CActiveScheduler::Add(this); 	
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  iActiveNotifier = ENoneQuery; 
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  TInt errConnect = iNotifier.Connect();	
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  if (errConnect)
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    {
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    TRACE_INFO((_L("[BTENG][BTTOGGLE] iNotifier connect fail: %d" ), errConnect))
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    User::Leave(errConnect);
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    }				
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  User::LeaveIfError( iLinkCountProperty.Attach( KPropertyUidBluetoothCategory, 
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      KPropertyKeyBluetoothGetPHYCount ) );	  
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  TRACE_FUNC_EXIT
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  }
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// ==========================================================
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// CBTToggle::NewL
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//
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// ==========================================================
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//
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CBTToggle* CBTToggle::NewL()
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  {
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  TRACE_FUNC_ENTRY
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  CBTToggle* self = new ( ELeave ) CBTToggle();
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  CleanupStack::PushL(self);  
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  self->ConstructL();
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  CleanupStack::Pop(self);
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  TRACE_FUNC_EXIT
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  return self; 
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  }
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// ==========================================================
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// CBTToggle::ToggleBT
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// Toggles Bluetooth on or off and shows dialog 
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// (if the BT is switched for the first time after flashing)
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// and notification
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// ==========================================================
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//
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void CBTToggle::ToggleBT()
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  {
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  TRACE_FUNC_ENTRY	
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  TBTPowerStateValue state;	
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  iSettings->GetPowerState(state);	  
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  //BT off
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  if (EBTPowerOff == state)
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    {					
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    TBool isInOffline = CheckOfflineMode(); 
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    if (isInOffline) //Offline mode
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      {					
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      TRACE_INFO((_L("[BTENG][BTTOGGLE]Offline mode") ))
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      SwitchBtOnWithPowerNotif(); 						
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      }
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    else //other than offline
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      {									
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      TBuf<KHCILocalDeviceNameMaxLength> localName;
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      iSettings->GetLocalName(localName);														
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      //There is no BT local name defined		
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      if (0 >= localName.Length()) 
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        {																
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        SwitchBtOnWithPowerNotif(); 
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        }
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      else //BT name already defined
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        {				
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        ChangeBtPowerMode(EBTPowerOn);
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        }				
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      } 		
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    } 	
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  else //BT on 
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    {				
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    TInt linkCount = 0; 
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    TInt errLinkCount = iLinkCountProperty.Get( linkCount );		
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    TRACE_INFO((_L("[BTENG][BTTOGGLE] linkCount: %d error: %d" ), linkCount, errLinkCount))		
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    //BT Connected or error obtaining link count (in the case of error, we are cautious and assume BT is connected)
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    if (errLinkCount || linkCount > 0)
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      {
25
hgs
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      TRACE_INFO((_L("[BTENG][BTTOGGLE]Ongoing BT connection") ))
0
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      __ASSERT_DEBUG(iActiveNotifier == ENoneQuery, Panic(EBTToggleInvalidStateCloseConnectionQuery));
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25
hgs
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      iActiveNotifier = ECloseConnectionQuery;
0
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      iPckgGenericQuery().iMessageType = EBTSwitchOffAnyway;
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      iPckgGenericQuery().iNameExists = EFalse;
25
hgs
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      iNotifier.StartNotifierAndGetResponse(iStatus, KBTGenericQueryNotifierUid, iPckgGenericQuery, iConnQuery );
hgs
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      SetActive();
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      }
0
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    //No open connections
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    else
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      {
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      TRACE_INFO((_L("[BTENG][BTTOGGLE] No BT connections") ))
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      ChangeBtPowerMode(EBTPowerOff);
25
hgs
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   194
      }
0
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   195
    }
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  TRACE_FUNC_EXIT	
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  }
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   198
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// ==========================================================
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// CBTToggle::CheckOfflineMode
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// Checks whether current profile is Offline  
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// ==========================================================
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//
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TBool CBTToggle::CheckOfflineMode()
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  {
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  TRACE_FUNC_ENTRY
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  TCoreAppUIsNetworkConnectionAllowed offline = ECoreAppUIsNetworkConnectionAllowed;  
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  TBTEnabledInOfflineMode enabledInOffline; 
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   209
  iSettings->GetOfflineModeSettings(offline, enabledInOffline);	
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  TRACE_FUNC_EXIT
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  return !offline; 	
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   212
  }
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   213
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// ==========================================================
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   215
// CBTToggle::SwitchBtOnWithPowerNotif
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// Switches BT on using Power Mode notifier   
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// ==========================================================
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   218
//
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   219
void CBTToggle::SwitchBtOnWithPowerNotif()
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  {	
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   221
  TRACE_FUNC_ENTRY
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  __ASSERT_DEBUG(iActiveNotifier == ENoneQuery, Panic(EBTToggleInvalidStatePowerModeQuery));
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   223
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  iActiveNotifier = EPowerModeQuery;
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  // EBTNameQuery is used here as the message type, since the local device name may be modified by the user upon power-on.
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  iPckgGenericQuery().iMessageType = EBTNameQuery;			
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   227
  iNotifier.StartNotifierAndGetResponse(iStatus, KPowerModeSettingNotifierUid, iPckgGenericQuery, iPowerResult );				
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  SetActive();
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  TRACE_FUNC_EXIT 	
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  }
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   231
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// ==========================================================
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// CBTToggle::ChangeBtPowerMode
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   235
// Change BT Power Mode using CBTEngSettings API 
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// and show notification
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   237
// ==========================================================
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parents:
diff changeset
   238
//
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parents:
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   239
TInt CBTToggle::ChangeBtPowerMode(TBTPowerStateValue aNewPowerState)
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parents:
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   240
  {
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   241
  TRACE_FUNC_ENTRY
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   242
  __ASSERT_DEBUG(iActiveNotifier == ENoneQuery, Panic(EBTToggleInvalidStateChangeBtPowerMode));
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parents:
diff changeset
   243
25
hgs
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diff changeset
   244
  TInt errPower = iSettings->SetPowerState(aNewPowerState);
0
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parents:
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   245
  if (KErrNone == errPower)
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parents:
diff changeset
   246
    {
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parents:
diff changeset
   247
    ShowNotification( static_cast<TBool>(aNewPowerState) );
25
hgs
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diff changeset
   248
    iActiveNotifier = EPowerModeChangeNote; 
hgs
parents: 23
diff changeset
   249
    iStatus = KRequestPending;
hgs
parents: 23
diff changeset
   250
    SetActive();
0
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parents:
diff changeset
   251
    }
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parents:
diff changeset
   252
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   253
  TRACE_FUNC_EXIT
25
hgs
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diff changeset
   254
  return errPower;
0
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parents:
diff changeset
   255
  }
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parents:
diff changeset
   256
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parents:
diff changeset
   257
// ==========================================================
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parents:
diff changeset
   258
// CBTToggle::ShowNotification
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parents:
diff changeset
   259
// Presents generic info notification about BT on (ETrue) 
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parents:
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   260
// and BT off (EFalse)  
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parents:
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   261
// ==========================================================
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parents:
diff changeset
   262
//
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   263
void CBTToggle::ShowNotification( TBool aStatus )
f63038272f30 Revision: 201001
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parents:
diff changeset
   264
  {
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parents:
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   265
  TRACE_FUNC_ENTRY
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parents:
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   266
  TBTGenericInfoNotiferParamsPckg pckgGenericInfo; 	 	 	 
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parents:
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   267
  TBuf8<sizeof(TInt)> result;
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   268
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   269
  //BT turned on
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   270
  if (aStatus)
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   271
    {
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   272
    pckgGenericInfo().iMessageType = EBTSwitchedOn;  		 
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parents:
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   273
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   274
  //BT turned off
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parents:
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   275
  else
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parents:
diff changeset
   276
    {
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   277
    pckgGenericInfo().iMessageType = EBTSwitchedOff;		
f63038272f30 Revision: 201001
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parents:
diff changeset
   278
    }
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parents:
diff changeset
   279
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   280
  //Cancel if there is any outstanding notification
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parents:
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   281
  Cancel();
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   282
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parents:
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   283
  //Start new notification
25
hgs
parents: 23
diff changeset
   284
  iNotifier.StartNotifierAndGetResponse(iStatus, KBTGenericInfoNotifierUid, pckgGenericInfo, result);	
0
f63038272f30 Revision: 201001
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parents:
diff changeset
   285
f63038272f30 Revision: 201001
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parents:
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   286
  TRACE_FUNC_EXIT
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parents:
diff changeset
   287
  }
f63038272f30 Revision: 201001
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parents:
diff changeset
   288
f63038272f30 Revision: 201001
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parents:
diff changeset
   289
// ==========================================================
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parents:
diff changeset
   290
// CBTToggle::DoCancel
f63038272f30 Revision: 201001
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parents:
diff changeset
   291
// Cancel 
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parents:
diff changeset
   292
// ==========================================================
f63038272f30 Revision: 201001
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parents:
diff changeset
   293
//
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
void CBTToggle::DoCancel()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
  {	
f63038272f30 Revision: 201001
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parents:
diff changeset
   296
  TRACE_FUNC_ENTRY
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parents:
diff changeset
   297
  if ( EPowerModeQuery == iActiveNotifier )
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
    {
f63038272f30 Revision: 201001
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parents:
diff changeset
   299
    iNotifier.CancelNotifier(KPowerModeSettingNotifierUid); 		
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
  else if ( ECloseConnectionQuery == iActiveNotifier ) 
f63038272f30 Revision: 201001
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parents:
diff changeset
   302
    {
f63038272f30 Revision: 201001
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parents:
diff changeset
   303
    iNotifier.CancelNotifier(KBTGenericQueryNotifierUid); 
25
hgs
parents: 23
diff changeset
   304
    }  
hgs
parents: 23
diff changeset
   305
  else if ( EPowerModeChangeNote == iActiveNotifier ) 
hgs
parents: 23
diff changeset
   306
      {
hgs
parents: 23
diff changeset
   307
      iNotifier.CancelNotifier(KBTGenericQueryNotifierUid); 
hgs
parents: 23
diff changeset
   308
      }
0
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
f63038272f30 Revision: 201001
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parents:
diff changeset
   310
  // For all cancels, we must reset iActiveNotifier back to ENoneQuery
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   311
  // to permit another request to be made.
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parents:
diff changeset
   312
  iActiveNotifier = ENoneQuery;
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
  TRACE_FUNC_EXIT
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
  }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
// ==========================================================
f63038272f30 Revision: 201001
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parents:
diff changeset
   318
// CBTToggle::RunL
f63038272f30 Revision: 201001
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parents:
diff changeset
   319
// Inherited from CActive
f63038272f30 Revision: 201001
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parents:
diff changeset
   320
// ==========================================================
f63038272f30 Revision: 201001
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parents:
diff changeset
   321
//
f63038272f30 Revision: 201001
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parents:
diff changeset
   322
void CBTToggle::RunL()
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
  {
f63038272f30 Revision: 201001
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parents:
diff changeset
   324
  TRACE_FUNC_ENTRY	
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
  User::LeaveIfError(iStatus.Int());
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
  // For all completes, we must reset iActiveNotifier back to ENoneQuery
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
  // to permit another request to be made.
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
  switch (iActiveNotifier)
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
    {							
25
hgs
parents: 23
diff changeset
   332
    case EPowerModeQuery:
0
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
      iActiveNotifier = ENoneQuery;
25
hgs
parents: 23
diff changeset
   334
      ShowNotification(ETrue);    
hgs
parents: 23
diff changeset
   335
      SetActive();
0
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
      break; 			
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
    case ECloseConnectionQuery:							
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
      iActiveNotifier = ENoneQuery;
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
      if (iConnQuery()) //user wants to stop existing connection
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
        {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
        ChangeBtPowerMode(EBTPowerOff);										
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
        }					
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
      else
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
        {
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
        CActiveScheduler::Stop();
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
        }																				
25
hgs
parents: 23
diff changeset
   347
      break;
hgs
parents: 23
diff changeset
   348
    default: //ENoneQuery or EPowerModeChangeNote
0
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
      iActiveNotifier = ENoneQuery;
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
      CActiveScheduler::Stop();
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    }						
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
  
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
  TRACE_FUNC_EXIT	
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
  }
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
// ==========================================================
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
// CBTToggle::RunError
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
// Inherited from CActive
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
// ==========================================================
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
//
f63038272f30 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
TInt CBTToggle::RunError(TInt aError)
23
hgs
parents: 1
diff changeset
   362
    {	  
hgs
parents: 1
diff changeset
   363
    TRACE_INFO((_L("[BTENG][BTTOGGLE] RunError %d"), aError ))	
hgs
parents: 1
diff changeset
   364
    iActiveNotifier = ENoneQuery;
hgs
parents: 1
diff changeset
   365
    CActiveScheduler::Stop();
hgs
parents: 1
diff changeset
   366
    return KErrNone;
hgs
parents: 1
diff changeset
   367
    }