/*

* Copyright (c) 2007 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:  Emergency number dialog

 *

*/

#include "lockappecsnote.h"

#include "lockapputils.h"

#include <AknUtils.h>

#include <aknlayoutscalable_avkon.cdl.h>

#include <aknappui.h>

#include <AknEcs.h> // for KAknEcsMaxMatchingLength

#include <aknglobalpopupprioritycontroller.h>

#include <GlobalWindowPriorities.h>

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

// Standard C++ constructor

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

CLockAppEcsNote::CLockAppEcsNote( ) :

	iNoteOnScreen(EFalse)

	{

	// no implementation required

	}

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

// Destructor.

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

CLockAppEcsNote::~CLockAppEcsNote( )

    {

#ifdef _GLOBAL_PRIORITY_SUPPORTED

    AknGlobalPopupPriorityController::RemovePopupPriority(*this);

#endif

    }

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

// Emergency note is a sleeping note

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

void CLockAppEcsNote::ConstructSleepingNoteL(TInt aResourceId )

    {

    CAknNoteDialog::ConstructSleepingDialogL( aResourceId );

#ifdef _GLOBAL_PRIORITY_SUPPORTED

    // global ui component order is handled trhoug global popup priority controller

    AknGlobalPopupPriorityController::SetPopupPriorityL( *this, KGlobalWindowPriority_KeyLock );

#endif

    }

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

// Show note with time out.

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

TInt CLockAppEcsNote::ShowNote( )

    {

    ReportUserActivity( );

    iTimeoutInMicroseconds = CAknNoteDialog::EUndefinedTimeout;

    iTone = CAknNoteDialog::ENoTone;

    TInt error = KErrNone;

    if ( !iNoteOnScreen )

        {

        error = RouseSleepingDialog( );

        }

    iNoteOnScreen = ETrue;

    // return value not used

    return error;

    }

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

// Hide note from screen.

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

void CLockAppEcsNote::SleepNote( )

    {

    if ( iNoteOnScreen )

        {

        ExitSleepingDialog( ); // Causes flicker to other notes if called when note is not on screen

        }

    iNoteOnScreen = EFalse;

    }

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

// Emergency dialog consumes all key events it receives.

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

TKeyResponse CLockAppEcsNote::OfferKeyEventL(const TKeyEvent& /*aKeyEvent*/, TEventCode /*aType*/)

    {

    return EKeyWasConsumed;

    }

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

// Format the emergency number for the dialog text.

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

void CLockAppEcsNote::SetEmergencyNumber( const TDesC& aMatchedNumber )

    {

    TRect mainPaneRect;

    AknLayoutUtils::LayoutMetricsRect( AknLayoutUtils::EMainPane, mainPaneRect );

    TAknLayoutRect popupNoteWindow;

    AknLayoutUtils::TAknCbaLocation cbaLocation( AknLayoutUtils::CbaLocation( ));

    TInt variety( 0);

    if ( cbaLocation == AknLayoutUtils::EAknCbaLocationRight )

        {

        variety = 5;

        }

    else

        if ( cbaLocation == AknLayoutUtils::EAknCbaLocationLeft )

            {

            variety = 8;

            }

        else

            {

            variety = 2;

            }

    popupNoteWindow.LayoutRect( mainPaneRect, AknLayoutScalable_Avkon::popup_note_window( variety ) );

    TAknLayoutText textRect;

    textRect.LayoutText( popupNoteWindow.Rect( ), AknLayoutScalable_Avkon::popup_note_window_t5(2).LayoutLine( ) );

    // Size of a temporary buffer that contains new lines, spaces and

    // emergency number for a note.

    TBuf16<KAknEcsMaxMatchingLength+80> number;

    number.Append( '\n' );

    number.Append( '\n' );

    TInt spaceCharWidthInPixels = textRect.Font()->CharWidthInPixels( ' ' );

    if ( spaceCharWidthInPixels < 1 )

        {

        // Avoid divide by zero situation even the space char would have zero length.

        spaceCharWidthInPixels = 1;

        }

    TInt length = (textRect.TextRect().Width() - textRect.Font()->TextWidthInPixels(aMatchedNumber))/ spaceCharWidthInPixels;

    const TInt matchedNumberLength = aMatchedNumber.Length( );

    const TInt numberLength = number.Length( );

    const TInt numberMaxLength = number.MaxLength( );

    if ( numberLength + length + matchedNumberLength > numberMaxLength )

        {

        // To make sure that buffer overflow does not happen.

        length = numberMaxLength - numberLength - matchedNumberLength;

        }

    for (int i = 0; i < length; i++ )

        {

        number.Append( ' ' );

        }

    number.Append( aMatchedNumber );

    TRAP_IGNORE(SetTextL(number));

    }