/*

* Copyright (c) 2005-2010 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:  Implementation of CGSAccTvoutView class

*

*/

#include <e32cmn.h> // For accessoriescrkeys.h

#include <accessoriescrkeys.h>

#include <AknQueryDialog.h>

#include <avkon.hrh>

#include <gsaccessoryplugin.rsg>

#include <gscommon.hrh>

#include <GSServerEngine.h>

#include <StringLoader.h>

#include "acclocalviewids.h"

#include "gsaccessoryplugin.hrh"

#include "gsaccessorypluginmodel.h"

#include "gsacctvoutcontainer.h"

#include "gsacctvoutview.h"

#include "trace.h"

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

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

// CGSAccTvoutView::NewLC()

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

//

CGSAccTvoutView* CGSAccTvoutView::NewLC( CGSAccessoryPluginModel& aModel )

    {

    CGSAccTvoutView* self = new ( ELeave ) CGSAccTvoutView( aModel );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CGSAccTvoutView::~CGSAccTvoutView()

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

//

CGSAccTvoutView::~CGSAccTvoutView()

    {

    FUNC_LOG;

    delete iServerEngine;

    }

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

// TUid CGSAccTvoutView::Id()

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

//

TUid CGSAccTvoutView::Id() const

    {

    return KAccTvoutViewId;

    }

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

// CGSAccTvoutView::HandleCommandL()

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

//

void CGSAccTvoutView::HandleCommandL( TInt aCommand )

    {

    FUNC_LOG;

    switch ( aCommand )

        {

        case EGSCmdAppChange:

            {

            const TInt currentFeatureId = iContainer->CurrentFeatureId();

            if ( currentFeatureId == EGSSettIdTvAspectRatio )

                {

                // Change aspect ratio setting through selection dialog

                ChangeAspectRatioSettingL( ETrue );

                }

            else if ( currentFeatureId == EGSSettIdTvFlickerFilter )

                {

                // Change flicker filter setting through selection dialog

                ChangeFlickerFilterSettingL( ETrue );

                }

            else

                {

                // Act as user had pressed the selection key

                HandleListBoxSelectionL( currentFeatureId );

                }

            }

            break;

        case EAknSoftkeyBack: // Fall through

        case EAknCmdExit:

            if ( iSettingChanged )

                {

                DisplaySettingsChangeNoteL();

                } // Fall through

        default:

            CGSAccBaseView::HandleCommandL( aCommand );

            break;

        }

    }

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

// CGSAccTvoutView::NewContainerL()

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

//

void CGSAccTvoutView::NewContainerL()

    {

    iContainer = new ( ELeave ) CGSAccTvoutContainer( iModel, *iServerEngine );

    }

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

// CGSAccTvoutView::HandleListBoxSelectionL()

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

//

void CGSAccTvoutView::HandleListBoxSelectionL( TInt aSelectedItem )

    {

    FUNC_LOG;

    // User has pressed selection key. If the selected item has just two

    // possible values, flip the value to the other option. If the item has

    // more possible values, show a selection dialog.

    switch ( aSelectedItem )

        {

        case EGSSettIdTvoutDP:

            // Show selection dialog for the accessory default profile

            ChangeDefaultProfileL(

                KSettingsTvOutDefaultProfile, EGSSettIdTvoutDP );

            break;

        case EGSSettIdTvAspectRatio:

            // Change aspect ratio setting without selection dialog

            ChangeAspectRatioSettingL( EFalse );

            break;

        case EGSSettIdTvSystem:

            // Show selection dialog for the TV system

            ChangeTvSystemSettingL();

            break;

        case EGSSettIdTvFlickerFilter:

            // Change flicker filter setting without selection dialog

            ChangeFlickerFilterSettingL( EFalse );

            break;

       default:

            break;

        }

    }

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

// CGSAccTvoutView::CGSAccTvoutView()

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

//

CGSAccTvoutView::CGSAccTvoutView( CGSAccessoryPluginModel& aModel )

  : CGSAccBaseView( aModel ),

    iSettingChanged( EFalse )

    {

    FUNC_LOG;

    }

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

// CGSAccTvoutView::ConstructL()

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

//

void CGSAccTvoutView::ConstructL()

    {

    FUNC_LOG;

    BaseConstructL( R_ACC_TVOUT_VIEW );

    iServerEngine = CGSServerEngine::NewL();

    }

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

// CGSAccTvoutView::ChangeAspectRatioSettingL()

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

//

void CGSAccTvoutView::ChangeAspectRatioSettingL( TBool aSettingPage )

    {

    FUNC_LOG;

    TInt currentValue = iServerEngine->AspectRatioL();

    TBool updateValue( EFalse );

    if ( aSettingPage )

        {

        updateValue = ShowRadioButtonSettingsPageL(

            R_ACC_ASPECT_RATIO_SETTING_PAGE,

            R_ACC_ASPECT_RATIO_SETTING_PAGE_LBX,

            currentValue );

        }

    else

        {

        // User pressed selection key instead of opening setting page.

        // Do not ask user input from dialog - just flip the value:

        // 0 -> 1, 1 -> 0.

        iModel.FlipValue( currentValue );

        updateValue = ETrue;

        }

    if ( updateValue ) // If value was changed, store it.

        {

        iServerEngine->SetAspectRatioL( currentValue );

        UpdateListBoxL( EGSSettIdTvAspectRatio );

        iSettingChanged = ETrue;

        }

    }

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

// CGSAccTvoutView::ChangeFlickerFilterSettingL()

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

//

void CGSAccTvoutView::ChangeFlickerFilterSettingL( TBool aSettingPage )

    {

    FUNC_LOG;

    TInt currentValue = iServerEngine->FlickerFilterL();

    TBool updateValue( EFalse );

    if ( aSettingPage )

        {

        updateValue = ShowRadioButtonSettingsPageL(

            R_ACC_FLICKER_FILTER_SETTING_PAGE,

            R_ACC_FLICKER_FILTER_SETTING_PAGE_LBX,

            currentValue );

        }

    else

        {

        // User pressed selection key instead of opening setting page.

        // Do not ask user input from dialog - just flip the value:

        // 0 -> 1, 1 -> 0.

        iModel.FlipValue( currentValue );

        updateValue = ETrue;

        }

    if ( updateValue ) // If value was changed, store it.

        {

        iServerEngine->SetFlickerFilterL( currentValue );

        UpdateListBoxL( EGSSettIdTvFlickerFilter );

        iSettingChanged = ETrue;

        }

    }

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

// CGSAccTvoutView::ChangeTvSystemSettingL()

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

//

void CGSAccTvoutView::ChangeTvSystemSettingL()

    {

    FUNC_LOG;

    TInt currentValue = iServerEngine->TvSystemL();

    // If PALM is not supported only toggle values

    // pal = 0, palm = 1, ntsc = 2

    TInt pal = 0;

    TInt ntsc = 2;

    if( !iModel.PalmSupport() )

        {

        iServerEngine->SetTvSystemL( currentValue == pal ? ntsc : pal );

        UpdateListBoxL( EGSSettIdTvSystem );

        iSettingChanged = ETrue;

        return;

        }

    // otherwise when palm is supported and more than two options

    // available show the dialog

    if ( ShowRadioButtonSettingsPageL(

            R_ACC_TV_SYSTEM_SETTING_PAGE,

            R_ACC_TV_SYSTEM_SETTING_PAGE_LBX,

            currentValue ) )

        {

        iServerEngine->SetTvSystemL( currentValue );

        UpdateListBoxL( EGSSettIdTvSystem );

        iSettingChanged = ETrue;

        }

    }

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

// CGSAccTvoutView::DisplaySettingsChangeNoteL

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

//

void CGSAccTvoutView::DisplaySettingsChangeNoteL()

    {

    FUNC_LOG;

    HBufC* buf = StringLoader::LoadLC( R_ACC_TV_SETTINGS_CHANGE_STR, iCoeEnv );

    CAknQueryDialog* query =

        new( ELeave ) CAknQueryDialog( CAknQueryDialog::ENoTone );

    query->PrepareLC( R_ACC_TV_SETTINGS_CHANGE_QUERY );

    query->SetPromptL( *buf );

    query->RunLD();

    // No need to display note until setting is changed again

    iSettingChanged = EFalse;

    CleanupStack::PopAndDestroy( buf );

    }