/*

* Copyright (c) 2007 - 2010 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:  Observer for dialingextension plug-in.

*

*/

// INCLUDE FILES

#include <eikenv.h>

#include <eikappui.h>

#include <phoneappcommands.hrh>

// USER INCLUDE FILES

#include "cdialingextensionobserver.h"

#include "cdialernumberentry.h"

#include "cdialer.h"

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

//  CDialingExtensionObserver::CDialingExtensionObserver

//  

// 

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

//    

CDialingExtensionObserver* CDialingExtensionObserver::NewL( 

        CDialingExtensionInterface* aDialingExtension, 

        CDialerNumberEntry* aNumberEntry,

        CDialer* aDialer )

    {

    CDialingExtensionObserver* self = new (ELeave) CDialingExtensionObserver( 

            aDialingExtension, aNumberEntry, aDialer );

    return self;

    }

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

//  CDialingExtensionObserver::~CDialingExtensionObserver

//  

// 

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

//

CDialingExtensionObserver::~CDialingExtensionObserver()

    {

    // no owned data => no implementation needed

    }

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

//  CDialingExtensionObserver::HandleDialingExtensionEvent

//  

// 

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

//    

void CDialingExtensionObserver::HandleDialingExtensionEvent( MDialingExtensionObserver::TEvent aEvent )

    {

    switch ( aEvent )

        {

        case MDialingExtensionObserver::EFocusChanged:

            {

            // The basic idea of EFocusChanged event handling:

            // - If dialing extension gets in focus, focus is taken from number entry editor.

            // - If dialing extension gives up focus, focus is given to number entry editor.

            if ( iDialingExtension->IsFocused() && iNumberEntry->IsFocused() )

                {

                iNumberEntry->SetFocus(EFalse);

                UpdateCba();

                iDialer->UpdateToolbar();

                }

            else if ( !iDialingExtension->IsFocused() && !iNumberEntry->IsFocused() && iDialer->IsFocused() )

                {

                // Number entry editor is set focused only if the parent control is in focus.

                // If number entry editor was focused but parent was not, this may show as a

                // a blinking cursor in an inappropriate place.

                iNumberEntry->SetFocus(ETrue);

                UpdateCba();

                iDialer->UpdateToolbar();

                }

            iNumberEntry->DrawDeferred();

            }

            break;

        case MDialingExtensionObserver::ECCALauncherExit:

        case MDialingExtensionObserver::ECommunicationCancelled:

        case MDialingExtensionObserver::ECommunicationStarted:

            {

            // No actions. We should stay in dialer, and not go to idle.

            }

            break;

        case MDialingExtensionObserver::EEasyDialingEnabled:

            {

            // order dialer to refresh its layout

            iDialer->SetSize( iDialer->Size() );

            if (iDialingExtension && iNumberEntry)

                {

                // get matches for the current input

                TRAP_IGNORE( SearchL() );

                }

            iDialer->DrawDeferred();

            }

            break;

        case MDialingExtensionObserver::EEasyDialingDisabled:

            {

            // order parent to refresh its layout

            iDialer->SetSize( iDialer->Size() );

            iDialer->DrawDeferred();

            }

            break;

        default:

            break;

        }    

    }

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

//  CDialingExtensionObserver::CDialingExtensionObserver

//  

// 

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

//    

CDialingExtensionObserver::CDialingExtensionObserver( 

        CDialingExtensionInterface* aDialingExtension, 

        CDialerNumberEntry* aNumberEntry,

        CDialer* aDialer ) :

iDialingExtension( aDialingExtension ), 

iNumberEntry( aNumberEntry ), 

iDialer( aDialer ),

iEikonEnvironment( NULL )

    {

    }

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

//  CDialingExtensionObserver::CDialingExtensionObserver

//  

// 

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

//    

void CDialingExtensionObserver::UpdateCba()

    {

    if ( !iEikonEnvironment )

        {

        iEikonEnvironment = CEikonEnv::Static();

        }

    if( iEikonEnvironment && iEikonEnvironment->EikAppUi() )

        {

        TRAP_IGNORE( iEikonEnvironment->EikAppUi()->HandleCommandL( EPhoneCmdUpdateCba ));

        }

    }

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

//  CDialingExtensionObserver::SearchL

//  

// 

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

//    

void CDialingExtensionObserver::SearchL()

    {

    TPtrC searchString = iNumberEntry->Text();

    if ( searchString.Length() )

        {

        iDialingExtension->SetInputL( searchString );

        }

    }

// end of file