/*

* Copyright (c) 2009 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:  Bluetooth Toggle application is being used by Telephony for 

 *  							switching on/off Bluetooth when a long key press of asterisk 

 *  							is detected 

 *

*/

//  Include Files  

#include "bttoggle.h"

#include "btengprivatecrkeys.h"

#include "btengsrvbbconnectionmgr.h"

#include "debug.h"

#include <e32base.h>

#include <e32std.h>

void Panic(TBTTogglePanic aPanic)

  {

  User::Panic(KBTTogglePanicCat, aPanic);

  }

LOCAL_C void DoStartL()

  {

  //Create active scheduler (to run active objects)

  CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();

  CleanupStack::PushL (scheduler );

  CActiveScheduler::Install (scheduler );

  CBTToggle* bttoggle = CBTToggle::NewL();			

  bttoggle->ToggleBT();

  CActiveScheduler::Start();

  delete bttoggle; 		

  CleanupStack::PopAndDestroy (scheduler );

  return; 

  }

//  Global Functions

GLDEF_C TInt E32Main()

  {	 	

  CTrapCleanup* cleanup = CTrapCleanup::New();	

  // Run application code inside TRAP harness		

  TRAPD(mainError, DoStartL());

  if (mainError)

    {

    TRACE_INFO((_L("[BTENG][BTTOGGLE]DoStartL error: %d" ), mainError))

    }

  delete cleanup;		

  return KErrNone;

  }

// ==========================================================

// CBTToggle::CBTToggle()

// Constructor

// ==========================================================

//

CBTToggle::CBTToggle() : CActive(EPriorityStandard)

		    {		

		    }

// ==========================================================

// CBTToggle::~CBTToggle()

// Destructor

// ==========================================================

//

CBTToggle::~CBTToggle()

  {

  TRACE_FUNC_ENTRY

  Cancel(); 		

  delete iSettings; 	

  iNotifier.Close();		

  iLinkCountProperty.Close();

  TRACE_FUNC_EXIT

  }

// ==========================================================

// CBTToggle::ConstructL

// 

// ==========================================================

//

void CBTToggle::ConstructL()

  {

  TRACE_FUNC_ENTRY		

  iSettings = CBTEngSettings::NewL(NULL);	

  CActiveScheduler::Add(this); 	

  iActiveNotifier = ENoneQuery; 

  TInt errConnect = iNotifier.Connect();	

  if (errConnect)

    {

    TRACE_INFO((_L("[BTENG][BTTOGGLE] iNotifier connect fail: %d" ), errConnect))

    User::Leave(errConnect);

    }				

  User::LeaveIfError( iLinkCountProperty.Attach( KPropertyUidBluetoothCategory, 

      KPropertyKeyBluetoothGetPHYCount ) );	  

  TRACE_FUNC_EXIT

  }

// ==========================================================

// CBTToggle::NewL

//

// ==========================================================

//

CBTToggle* CBTToggle::NewL()

  {

  TRACE_FUNC_ENTRY

  CBTToggle* self = new ( ELeave ) CBTToggle();

  CleanupStack::PushL(self);  

  self->ConstructL();

  CleanupStack::Pop(self);

  TRACE_FUNC_EXIT

  return self; 

  }

// ==========================================================

// CBTToggle::ToggleBT

// Toggles Bluetooth on or off and shows dialog 

// (if the BT is switched for the first time after flashing)

// and notification

// ==========================================================

//

void CBTToggle::ToggleBT()

  {

  TRACE_FUNC_ENTRY	

  TBTPowerStateValue state;	

  iSettings->GetPowerState(state);	  

  //BT off

  if (EBTPowerOff == state)

    {					

    TBool isInOffline = CheckOfflineMode(); 

    if (isInOffline) //Offline mode

      {					

      TRACE_INFO((_L("[BTENG][BTTOGGLE]Offline mode") ))

      SwitchBtOnWithPowerNotif(); 						

      }

    else //other than offline

      {									

      TBuf<KHCILocalDeviceNameMaxLength> localName;

      iSettings->GetLocalName(localName);														

      //There is no BT local name defined		

      if (0 >= localName.Length()) 

        {																

        SwitchBtOnWithPowerNotif(); 

        }

      else //BT name already defined

        {				

        ChangeBtPowerMode(EBTPowerOn);

        }				

      } 		

    } 	

  else //BT on 

    {				

    TInt linkCount = 0; 

    TInt errLinkCount = iLinkCountProperty.Get( linkCount );		

    TRACE_INFO((_L("[BTENG][BTTOGGLE] linkCount: %d error: %d" ), linkCount, errLinkCount))		

    //BT Connected or error obtaining link count (in the case of error, we are cautious and assume BT is connected)

    if (errLinkCount || linkCount > 0)

      {

      __ASSERT_DEBUG(iActiveNotifier == ENoneQuery, Panic(EBTToggleInvalidStateCloseConnectionQuery));

      iPckgGenericQuery().iMessageType = EBTSwitchOffAnyway;

      iPckgGenericQuery().iNameExists = EFalse;

    //No open connections

    else

      {

      TRACE_INFO((_L("[BTENG][BTTOGGLE] No BT connections") ))

      ChangeBtPowerMode(EBTPowerOff);

    }

  TRACE_FUNC_EXIT	

  }

// ==========================================================

// CBTToggle::CheckOfflineMode

// Checks whether current profile is Offline  

// ==========================================================

//

TBool CBTToggle::CheckOfflineMode()

  {

  TRACE_FUNC_ENTRY

  TCoreAppUIsNetworkConnectionAllowed offline = ECoreAppUIsNetworkConnectionAllowed;  

  TBTEnabledInOfflineMode enabledInOffline; 

  iSettings->GetOfflineModeSettings(offline, enabledInOffline);	

  TRACE_FUNC_EXIT

  return !offline; 	

  }

// ==========================================================

// CBTToggle::SwitchBtOnWithPowerNotif

// Switches BT on using Power Mode notifier   

// ==========================================================

//

void CBTToggle::SwitchBtOnWithPowerNotif()

  {	

  TRACE_FUNC_ENTRY

  __ASSERT_DEBUG(iActiveNotifier == ENoneQuery, Panic(EBTToggleInvalidStatePowerModeQuery));

  iActiveNotifier = EPowerModeQuery;

  // EBTNameQuery is used here as the message type, since the local device name may be modified by the user upon power-on.

  iPckgGenericQuery().iMessageType = EBTNameQuery;			

  iNotifier.StartNotifierAndGetResponse(iStatus, KPowerModeSettingNotifierUid, iPckgGenericQuery, iPowerResult );				

  SetActive();

  TRACE_FUNC_EXIT 	

  }

// ==========================================================

// CBTToggle::ChangeBtPowerMode

// Change BT Power Mode using CBTEngSettings API 

// and show notification

// ==========================================================

//

TInt CBTToggle::ChangeBtPowerMode(TBTPowerStateValue aNewPowerState)

  {

  TRACE_FUNC_ENTRY

  __ASSERT_DEBUG(iActiveNotifier == ENoneQuery, Panic(EBTToggleInvalidStateChangeBtPowerMode));

  if (KErrNone == errPower)

    {

    ShowNotification( static_cast<TBool>(aNewPowerState) );

    }

  TRACE_FUNC_EXIT

  }

// ==========================================================

// CBTToggle::ShowNotification

// Presents generic info notification about BT on (ETrue) 

// and BT off (EFalse)  

// ==========================================================

//

void CBTToggle::ShowNotification( TBool aStatus )

  {

  TRACE_FUNC_ENTRY

  TBTGenericInfoNotiferParamsPckg pckgGenericInfo; 	 	 	 

  TBuf8<sizeof(TInt)> result;

  //BT turned on

  if (aStatus)

    {

    pckgGenericInfo().iMessageType = EBTSwitchedOn;  		 

    }

  //BT turned off

  else

    {

    pckgGenericInfo().iMessageType = EBTSwitchedOff;		

    }

  //Cancel if there is any outstanding notification

  Cancel();

  //Start new notification

  TRACE_FUNC_EXIT

  }

// ==========================================================

// CBTToggle::DoCancel

// Cancel 

// ==========================================================

//

void CBTToggle::DoCancel()

  {	

  TRACE_FUNC_ENTRY

  if ( EPowerModeQuery == iActiveNotifier )

    {

    iNotifier.CancelNotifier(KPowerModeSettingNotifierUid); 		

    }

  else if ( ECloseConnectionQuery == iActiveNotifier ) 

    {

    iNotifier.CancelNotifier(KBTGenericQueryNotifierUid); 

  // For all cancels, we must reset iActiveNotifier back to ENoneQuery

  // to permit another request to be made.

  iActiveNotifier = ENoneQuery;

  TRACE_FUNC_EXIT

  }

// ==========================================================

// CBTToggle::RunL

// Inherited from CActive

// ==========================================================

//

void CBTToggle::RunL()

  {

  TRACE_FUNC_ENTRY	

  User::LeaveIfError(iStatus.Int());

  // For all completes, we must reset iActiveNotifier back to ENoneQuery

  // to permit another request to be made.

  switch (iActiveNotifier)

    {							

      iActiveNotifier = ENoneQuery;

      break; 			

    case ECloseConnectionQuery:							

      iActiveNotifier = ENoneQuery;

      if (iConnQuery()) //user wants to stop existing connection

        {

        ChangeBtPowerMode(EBTPowerOff);										

        }					

      else

        {

        CActiveScheduler::Stop();

        }																				

      iActiveNotifier = ENoneQuery;

      CActiveScheduler::Stop();

    }						

  TRACE_FUNC_EXIT	

  }

// ==========================================================

// CBTToggle::RunError

// Inherited from CActive

// ==========================================================

//

TInt CBTToggle::RunError(TInt aError)

    {	  

    TRACE_INFO((_L("[BTENG][BTTOGGLE] RunError %d"), aError ))	

    iActiveNotifier = ENoneQuery;

    CActiveScheduler::Stop();

    return KErrNone;

    }