/*

* Copyright (c) 2002 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: 

*     Logs "Event list" view container control class implementation

*

*/

// INCLUDE FILES

#include <AknIconArray.h>

#include <eikclbd.h>

#include <aknnavide.h>

#include <akntabgrp.h>

#include <AknsConstants.h>  //for skinned icons

#include <Logs.rsg>

#include <logs.mbg>

#include "CLogsEventListControlContainer.h"

#include "CLogsEventListView.h"

#include "CLogsAppUi.h"

#include "CLogsEventListAdapter.h"

#include "CLogsEngine.h"

#include "MLogsModel.h"

#include "MLogsSharedData.h"

#include "CLogsNaviDecoratorWrapper.h"

#include "LogsIcons.hrh"

#include "LogsUID.h"

#include <csxhelp/log.hlp.hrh>

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// ==================== LOCAL FUNCTIONS ====================

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

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

// CLogsEventListControlContainer::NewL

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

//

CLogsEventListControlContainer* CLogsEventListControlContainer::NewL( 

    CLogsEventListView* aView, 

    const TRect& aRect )

    {

    CLogsEventListControlContainer* self = new( ELeave ) 

                CLogsEventListControlContainer( aView );

    self->SetMopParent( aView );

    CleanupStack::PushL( self );

    self->ConstructL( aRect );

    CleanupStack::Pop();  // self

    return self;

    }

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

// CLogsEventListControlContainer::~CLogsEventListControlContainer

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

//

CLogsEventListControlContainer::~CLogsEventListControlContainer()

    {

    delete iListBox;

    }

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

// CLogsEventListControlContainer::CLogsEventListControlContainer

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

//

CLogsEventListControlContainer::CLogsEventListControlContainer(

    CLogsEventListView* aView ) : 

        CLogsBaseControlContainer( aView ),

        iView( aView )

    {

    }

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

// CLogsEventListControlContainer::ComponentControl

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

//

CCoeControl* CLogsEventListControlContainer::ComponentControl(

    TInt /*aIndex*/ ) const

    {

    return iListBox;

    }

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

// CLogsEventListControlContainer::SizeChanged

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

//

void CLogsEventListControlContainer::SizeChanged()

    {

    if( iListBox )

        {

        iListBox->SetRect( Rect() );

        }

    }

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

// CLogsEventListControlContainer::ConstructL

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

//

void CLogsEventListControlContainer::ConstructL( const TRect& aRect)

    {

    BaseConstructL();

    // Constructing a compound control or a window-owning control.

    iListBox = new ( ELeave ) CAknSingleGraphicHeadingStyleListBox();

    iListBox->ConstructL( this, EEikListBoxMultipleSelection );

    AddControlContainerIconsL();

    CLogsEventListAdapter* adapter = CLogsEventListAdapter::NewL( this );

    iListBox->Model()->SetItemTextArray( adapter );

    iListBox->Model()->SetOwnershipType( ELbmOwnsItemArray );

    if( iView->Engine()->Model( ELogsMainModel )->Count() == 0 )

        {

        UpdateEmptyViewTextL();

        }

    else

        {

        InitListBoxL();

        }

    MakeScrollArrowsL( iListBox );

    MakeTitleL( R_LOGS_TITLE_TEXT );

    CAknNavigationDecorator* decoratedTabGroup = NavigationTabGroupL( R_LOGS_NAVI_PANE_TAB_GROUP, 

                                                                      CLogsNaviDecoratorWrapper::InstanceL() );

    CAknTabGroup* tabGroup = static_cast<CAknTabGroup*>( 

                                 decoratedTabGroup->DecoratedControl() );

    tabGroup->SetActiveTabById( EEventListTabId );

    SetRect( aRect );

    ActivateL();

    }

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

// CLogsEventListControlContainer::ListBox

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

//

CAknSingleGraphicHeadingStyleListBox* CLogsEventListControlContainer::ListBox()

    {

    return iListBox;

    }

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

// CLogsEventListControlContainer::View

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

//

CLogsEventListView* CLogsEventListControlContainer::View()

    {

    return iView;

    }

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

// CLogsEventListControlContainer::InitListBoxL

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

//

void CLogsEventListControlContainer::InitListBoxL()

    {

    TInt current( iView->EventListCurrent() );

    TInt top( iView->EventListTop() );

    if (top < 0 || current < 0)   

        {

        // In case top and current are illegal, set top and current to zero. 

        // For example it occasionally happens when switching quickly back and forth 

        // between Log and Main view, that top and current are -1 (KErrNotFound).

        // See error "EAJA-7389Y9: Crash when changing views quickly" 

        iView->SetEventListTop( 0 );

        iListBox->SetCurrentItemIndex( 0 ); 

        }

    else if( top > current ) 

        { 

        // user has browsed upwards

        top = current;

        iView->SetEventListTop( top );

        iListBox->SetCurrentItemIndex( current );

        }

    else 

        {  

        // user has browsed downwards

        // past "one" window size

        if( current - top > iListBox->ItemHeight() ) 

            {

            top = current - iListBox->ItemHeight();

            iView->SetEventListTop( top );

            }

        iListBox->SetCurrentItemIndex( current );

        iListBox->SetTopItemIndex( top );

        }

    }

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

// CLogsEventListControlContainer::UpdateEmptyViewTextL

//

// Show "Retrieving", "No data", "No data due to filter selection

// or "Logging is not enabled"

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

//

void CLogsEventListControlContainer::UpdateEmptyViewTextL()

    {

    // Construct informative text based on following constraints:

    // * logging on/off

    // * event reading finished yes/no

    // * filter selected yes/no

    //      

    if (iView->Engine()->SharedDataL()->IsLoggingEnabled())

        {

        if( iView->State() == EStateUndefined || iView->State() == EStateInitializing )

            {

            MakeEmptyTextListBoxL( iListBox, R_LOGS_EVENTVIEW_FETCHING_TEXT );

            }

        /// If filter is "on" ( != all communications) and there are no events

        /// in the log DB display text "No events due to filter selection".

        else if( iView->CurrentFilter() != ELogsFilterAllComms

                  && iView->Engine()->Model( ELogsMainModel )->Count() == 0 )

            {                                   

            MakeEmptyTextListBoxL( iListBox, R_LOGS_EVENTVIEW_NO_DATA_DTFS_TEXT );

            }

        else

            {

            /// If filter is "off" (all communications) and there are no events

            /// in the log DB display text "No events".

            MakeEmptyTextListBoxL( iListBox, R_LOGS_EVENTVIEW_NO_DATA_TEXT );

            }  

        }

     // If logging is off, show informative text

    else   

        {

        MakeEmptyTextListBoxL( iListBox, R_QTN_LOGS_LOGGING_OFF);

        }

    }

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

// CLogsEventListControlContainer::UpdateL

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

//

void CLogsEventListControlContainer::UpdateL()

    {

    iListBox->HandleItemAdditionL();

    if( iListBox->Model()->NumberOfItems() == 0 )

        {

        UpdateEmptyViewTextL();

        }

    }

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

// CLogsEventListControlContainer::GetHelpContext

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

//

void CLogsEventListControlContainer::GetHelpContext( TCoeHelpContext& aContext ) const

    {

    aContext.iMajor = TUid::Uid( KLogsAppUID3 );

    aContext.iContext = KLOGS_HLP_MAIN;

    }

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

// CLogsEventListControlContainer::AddControlContainerIconsL

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

//

void CLogsEventListControlContainer::AddControlContainerIconsL()

    {

    if( iListBox->ItemDrawer()->ColumnData()->IconArray() != NULL )

        {

        CArrayPtr<CGulIcon>* iconArray = iListBox->ItemDrawer()->ColumnData()->IconArray();

        delete iconArray;

        iconArray = NULL;

        iListBox->ItemDrawer()->ColumnData()->SetIconArray( iconArray);  

        }

    // Load and assign icons to the list box control; 3 is number of icons

    CAknIconArray* icons = new( ELeave ) CAknIconArray( KEventListCCNrOfItems );

    iListBox->ItemDrawer()->ColumnData()->SetIconArray( icons );

    // First icon & mask.

    AddIconL(   icons

            ,   KLogsIconFile

            ,   KAknsIIDQgnPropLogIn  //KAknsIIDNone   

            ,   icon_prop_log_in

            ,   icon_prop_log_in_mask

            );

    // Second icon & mask.

    AddIconL(   icons

            ,   KLogsIconFile

            ,   KAknsIIDQgnPropLogOut //KAknsIIDNone   

            ,   icon_prop_log_out

            ,   icon_prop_log_out_mask

            );

    // Third icon & mask.

    AddIconL(   icons

            ,   KLogsIconFile

            ,   KAknsIIDQgnPropLogMissed //KAknsIIDNone   

            ,   icon_prop_log_missed

            ,   icon_prop_log_missed_mask

            );

    }

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

// CLogsEventListControlContainer::FocusChanged

//

// This is needed to hand focus changes to list. Otherwise animations are not displayed.

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

//

void CLogsEventListControlContainer::FocusChanged(TDrawNow /* aDrawNow */ )

    {

    if( iListBox)

        {

        iListBox->SetFocus( IsFocused() );

        }

    }

//  End of File