/*

* 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:  Blink/show Usb indicator notifier implementation

 *

*/

#include <AknSmallIndicator.h>

#include <avkon.hrh>

#include <usbuinotif.h>

#include "cusbindicatornotifier.h"

#include "cusbnotifier.h"

#include "definitions.h"

#include "debug.h"

#include "panic.h"

// ======== MEMBER FUNCTIONS ========

// -----------------------------------------------------------------------------

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CUsbIndicatorNotifier* CUsbIndicatorNotifier::NewL(CUsbNotifManager* aNotifManager)

    {

    FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::NewL" ));

    CUsbIndicatorNotifier* self = new (ELeave) CUsbIndicatorNotifier(aNotifManager);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

CUsbIndicatorNotifier::~CUsbIndicatorNotifier()

    {

    FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::~CUsbIndicatorNotifier" ) );

    Close();

    delete iIconBlinkingTimer;

    }

// ---------------------------------------------------------------------------

// Show/hide static icon of the indicator. 

// If the indicator is blinking, stop blinking it and show/hide the static 

// form of the indicator.

// ---------------------------------------------------------------------------

//

void CUsbIndicatorNotifier::ShowIndicatorL(TBool aVisible)

    {

    FTRACE( FPrint (_L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::ShowIndicator, aVisible=%d" ), aVisible));

    iIconBlinkingTimer->Cancel();

    SetIndicatorStateL(aVisible ? EAknIndicatorStateOn : EAknIndicatorStateOff);    

    }

// ---------------------------------------------------------------------------

// From CUsbNotifier

// ---------------------------------------------------------------------------

//

void CUsbIndicatorNotifier::ShowL()

    {

    FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::ShowL" ));

    // Will be canceled if active in After()

    iIconBlinkingTimer->After(0);

    }

// ---------------------------------------------------------------------------

// From CUsbNotifier

// ---------------------------------------------------------------------------

//

void CUsbIndicatorNotifier::Close()

    {

    FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::Close" ) );

    iIconBlinkingTimer->Cancel();

    TRAP_IGNORE( ShowIndicatorL(EFalse) );

    }

// ---------------------------------------------------------------------------

// From MUsbTimerObserver

// ---------------------------------------------------------------------------

// 

void CUsbIndicatorNotifier::TimerElapsedL(TUsbTimerId aTimerId)

    {

    switch (aTimerId)

        {

        case EIconBlinkingTimer:

            {

            SetIndicatorStateL(iIndicatorState ? EAknIndicatorStateOn : EAknIndicatorStateOff);    

            iIndicatorState = (iIndicatorState == EAknIndicatorStateOn

                                    ? EAknIndicatorStateOff : EAknIndicatorStateOn);

            // Will be canceled if active in After()

            iIconBlinkingTimer->After(KUsbIndicatorBlinkingInterval);

            break;

            }

        default:

            {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::TimerElapsedL - Unknown timer" ) );

            Panic(EWrongTimerId);

            }

        }

    }

// ---------------------------------------------------------------------------

// C++ constructor

// ---------------------------------------------------------------------------

//

CUsbIndicatorNotifier::CUsbIndicatorNotifier(CUsbNotifManager* aNotifManager) :

    CUsbNotifier(aNotifManager, KUsbUiNotifOtgIndicator, NULL)

    {

    FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::CUsbIndicatorNotifier" ) );

    //To be changed to EAknIndicatorStateAnimate and remove iIconBlinkingTimer

    //when AVKON implements animation form of usb indicator.

    iIndicatorState = EAknIndicatorStateOn;

    }

// ---------------------------------------------------------------------------

// Second-phase constructor

// ---------------------------------------------------------------------------

//

void CUsbIndicatorNotifier::ConstructL()

    {

    FLOG( _L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::ConstructL" ) );

    iIconBlinkingTimer = CUsbTimer::NewL(this, EIconBlinkingTimer);

    }

// ---------------------------------------------------------------------------

// Set USB indicator On or Off

// ---------------------------------------------------------------------------

//

void CUsbIndicatorNotifier::SetIndicatorStateL(const TInt aState)

    {

    FTRACE( FPrint (_L( "[USBOTGWATCHER]\tCUsbIndicatorNotifier::SetIndicatorStateL - aState=%d" ), aState));

    CAknSmallIndicator* indicator = CAknSmallIndicator::NewLC(TUid::Uid(EAknIndicatorUSBConnection));

    indicator->SetIndicatorStateL( aState );

    CleanupStack::PopAndDestroy( indicator ); //indicator    

    }

// End of file