/*

* Copyright (c) 2005-2007 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:  Phonebook 2 contact view list box.

*

*/

// INCLUDE FILES

#include "CPbk2ContactViewListBox.h"

// Phonebook 2

#include "MPbk2ContactViewListBoxModel.h"

#include "CPbk2IconArray.h"

#include "MPbk2NamesListState.h"

#include "cpbk2contactviewdoublelistboxmodel.h"

#include <CPbk2UIExtensionManager.h>

#include <MPbk2UIExtensionIconSupport.h>

#include <MPbk2UIExtensionFactory.h>

#include <MPbk2ContactUiControlExtension.h>

#include "CPbk2ListboxModelCmdDecorator.h"

#include <CPbk2ContactIconsUtils.h>

#include <Pbk2UIControls.hrh>

// Virtual Phonebook

#include <CVPbkContactManager.h>

// System includes

#include <barsread.h>

#include <eikclbd.h>

#include <aknappui.h>

#include <aknViewAppUi.h>

// Debugging headers

#include <Pbk2Debug.h>

#include <featmgr.h>

#include <skinlayout.cdl.h>

#include <aknlayoutscalable_apps.cdl.h>

#include "cpbk2contactviewcustomlistboxitemdrawer.h"

#include "cpbk2contactviewcustomlistboxdata.h"

#include "CPbk2NamesListControl.h"

/// Unnamed namespace for local definitions

namespace {

// LOCAL FUNCTIONS

/**

 * Returns icon array from given list box.

 *

 * @param aListBox  List box.

 * @return  Icon array in Phonebook 2 format.

 */

inline CPbk2IconArray* IconArray( CEikColumnListBox& aListBox )

    {

    return static_cast<CPbk2IconArray*>(

        aListBox.ItemDrawer()->ColumnData()->IconArray() );

    }

/**

 * Sets given icon array as given listbox's icon array.

 *

 * @param aListBox      List box.

 * @param aIconArray    Icon array.

 */

inline void SetIconArray( CEikColumnListBox& aListBox,

        CPbk2IconArray* aIconArray )

    {

    aListBox.ItemDrawer()->ColumnData()->SetIconArray( aIconArray );

    }

#ifdef _DEBUG

enum TPanicCode

    {

    EPanicPreCond_CreateListBoxModelL = 1

    };

void Panic(TInt aReason)

    {

    _LIT(KPanicText, "CPbk2ContactViewListBox");

    User::Panic(KPanicText, aReason);

    }

#endif // _DEBUG

} /// namespace

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

// CPbk2ContactViewListBox::CPbk2ContactViewListBox

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

//

CPbk2ContactViewListBox::CPbk2ContactViewListBox

            (   CCoeControl& aContainer,

                MPbk2ContactUiControlExtension* aUiExtension,

                CPbk2PredictiveSearchFilter &aSearchFilter ) :

                iContainer(aContainer), 

                iChangedIndexes( 1 ), // allocation granularity

                iUiExtension( aUiExtension ),

                iSearchFilter( aSearchFilter )

    {

    }

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

// CPbk2ContactViewListBox::~CPbk2ContactViewListBox

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

//

CPbk2ContactViewListBox::~CPbk2ContactViewListBox()

    {

    delete iListboxModelDecorator;

    delete iModel;

    FeatureManager::UnInitializeLib();

    CCoeEnv::Static()->RemoveForegroundObserver( *this );

    }

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

// CPbk2ContactViewListBox::ConstructL

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

//

void CPbk2ContactViewListBox::ConstructL(

        CCoeControl& aContainer, TResourceReader& aResourceReader,

        const CVPbkContactManager& aManager, MVPbkContactViewBase& aView,

        MPbk2ContactNameFormatter& aNameFormatter,

        CPbk2StorePropertyArray& aStoreProperties )

    {

    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING

        ("CPbk2ContactViewListBox::ConstructL"));

    FeatureManager::InitializeLibL();

    // Preallocate space for the one required integer

    iChangedIndexes.AppendL( KErrNotFound );

    // Read flags from resources

    iResourceData.iFlags = aResourceReader.ReadUint32();    // flags

    SetContainerWindowL( aContainer );

    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING

        ("CPbk2ContactViewListBox::ConstructL about to resource construct"));

    // Let Avkon read it's share of the resources

    ConstructFromResourceL( aResourceReader );

    // Remove the platform default "No data" text

    View()->SetListEmptyTextL( KNullDesC );

    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING

        ("CPbk2ContactViewListBox::ConstructL about to create icon array"));

    CPbk2IconArray* iconArray =

        CPbk2ContactIconsUtils::CreateListboxIconArrayL(

                aResourceReader.ReadInt32());

    SetIconArray( *this, iconArray );

    iResourceData.iEmptyIconId =

        TPbk2IconId( aResourceReader ); // empty icon

    iResourceData.iDefaultIconId =

        TPbk2IconId( aResourceReader ); // default icon

    CreateScrollBarFrameL( ETrue );

    ScrollBarFrame()->SetScrollBarVisibilityL(

        CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );

    MakeVisible( EFalse );

    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING

        ("CPbk2ContactViewListBox::ConstructL about to create model"));

    CreateListBoxModelL( aManager, aView,

        aNameFormatter, aStoreProperties );

    CCoeEnv::Static()->AddForegroundObserverL( *this );

    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING

        ("CPbk2ContactViewListBox::ConstructL end"));

    }

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

// CPbk2ContactViewListBox::NewL

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

//

CPbk2ContactViewListBox* CPbk2ContactViewListBox::NewL(

        CCoeControl& aContainer, TResourceReader& aResourceReader,

        const CVPbkContactManager& aManager, MVPbkContactViewBase& aView,

        MPbk2ContactNameFormatter& aNameFormatter,

        CPbk2StorePropertyArray& aStoreProperties,

        MPbk2ContactUiControlExtension* aUiExtension,

        CPbk2PredictiveSearchFilter &aSearchFilter )

    {

    CPbk2ContactViewListBox* self =

        new ( ELeave ) CPbk2ContactViewListBox( aContainer, aUiExtension, aSearchFilter );

    CleanupStack::PushL( self );

    self->ConstructL( aContainer, aResourceReader, aManager,

        aView, aNameFormatter, aStoreProperties );

    CleanupStack::Pop( self );

    return self;

    }

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

// CPbk2ContactViewListBox::NumberOfItems

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

//

TInt CPbk2ContactViewListBox::NumberOfItems() const

    {

    TInt result = 0;

    if ( iListboxModelDecorator )

        {

        result = iListboxModelDecorator->MdcaCount();

        }

    return result;

    }

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

// CPbk2ContactViewListBox::ContactsMarked

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

//

TBool CPbk2ContactViewListBox::ContactsMarked() const

    {

    const CListBoxView::CSelectionIndexArray* selections =

        View()->SelectionIndexes();

    TBool notEmpty = selections && selections->Count() > 0;

    TBool containsContacts = EFalse;

    for (TInt n = 0; notEmpty && n < selections->Count() && !containsContacts; ++n )

        {

        const TInt index = selections->At( n );

        // The item is either a contact or a command.

        containsContacts = IsContact( index );

        }

    return containsContacts;

    }

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

// CPbk2ContactViewListBox::HandleContactViewEventL

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

//

void CPbk2ContactViewListBox::HandleEventL

        ( TInt aEvent, TInt aIndex )

    {

    switch ( aEvent )

        {

        case MPbk2NamesListState::EItemAdded:

            {

            iChangedIndexes[0] = aIndex;

            HandleItemAdditionL( iChangedIndexes );

            break;

            }

        case MPbk2NamesListState::EItemRemoved:

            {

            // Deselect item

            CListBoxView& listBoxView = *View();

            listBoxView.SetDisableRedraw( ETrue );

            listBoxView.DeselectItem( aIndex );

            listBoxView.SetDisableRedraw( EFalse );

            TInt focusIndex = CurrentItemIndex();

            TInt topIndex = TopItemIndex();

            iChangedIndexes[0] = aIndex;

            HandleItemRemovalL( iChangedIndexes );

            // The deduction of 1 is for adapting with the different bases

            const TInt lastIndex = Model()->NumberOfItems() - 1;

            if ( lastIndex == KErrNotFound )

                {

                Reset();

                }

            else

                {

                if ( aIndex < focusIndex )

                    {

                    // If item was removed above focused item, maintain

                    // focus by moving it up by one

                    --focusIndex;

                    }

                if ( focusIndex > lastIndex || focusIndex < 0 )

                    {

                    focusIndex = lastIndex;

                    }

                const TInt numVisibleItems =

                    View()->NumberOfItemsThatFitInRect(

                        View()->ViewRect() );

                if ( topIndex + numVisibleItems > lastIndex )

                    {

                    topIndex = Max( lastIndex - numVisibleItems + 1, 0 );

                    }

                if ( topIndex >= 0 )

                    {

                    SetTopItemIndex( topIndex );

                    }

                if ( focusIndex >= 0 )

                    {

                    SetCurrentItemIndex( focusIndex );

                    }

                }

            break;

            }

        default:

            {

            // Do nothing

            break;

            }

        }

    }

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

// CPbk2ContactViewListBox::FixTopItemIndex

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

//

void CPbk2ContactViewListBox::FixTopItemIndex()

    {

    TInt index = TopItemIndex();

    const TInt height = View()->NumberOfItemsThatFitInRect(

        View()->ViewRect() );

    const TInt numItems = Model()->NumberOfItems();

    if ( index + height > numItems )

        {

        index += numItems - ( height + index );

        if ( index < 0 )

            {

            index = 0;

            }

        if ( index != TopItemIndex() )

            {

            SetTopItemIndex( index );

            }

        }

    }

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

// CPbk2ContactViewListBox::CheckFocusIndex

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

//

void CPbk2ContactViewListBox::CheckFocusIndex()

    {

    if ( CurrentItemIndex() == KErrNotFound )

        {

        SetCurrentItemIndex( 0 );

        }

    }

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

// CPbk2ContactViewListBox::HandlePointerEventL

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

//

void CPbk2ContactViewListBox::HandlePointerEventL

        ( const TPointerEvent& aPointerEvent )

    {

    TInt oldIndex = CurrentItemIndex();

    // Base class handles the pointer event

    CAknSingleGraphicStyleListBox::HandlePointerEventL( aPointerEvent );

    switch( aPointerEvent.iType )

        {

        case TPointerEvent::EButton1Down:

            {

            TInt pointedItemIndex;

            iFocusableContactPointed = View()->XYPosToItemIndex(

                aPointerEvent.iPosition, pointedItemIndex );

            //no prior focus needed

            iFocusedContactPointed = iFocusableContactPointed;

            break;

            }

        default:

            {

            // Do nothing

            break;

            }

        };

    }

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

// CPbk2ContactViewListBox::Flags

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

//

TUint CPbk2ContactViewListBox::Flags() const

    {

    return iResourceData.iFlags;

    }

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

// CPbk2ContactViewListBox::SetScrollEventObserver

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

//

void CPbk2ContactViewListBox::SetScrollEventObserver(MEikScrollBarObserver* aObserver)

    {

    iScrollEventObserver = aObserver;

    }

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

// CPbk2ContactViewListBox::IsSelectionListBox

// This function is non const because IsMultiselection is non const.

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

//

TBool CPbk2ContactViewListBox::IsSelectionListBox()

    {

    // Try firs the CEikListBox method for multiselection

    TBool result = IsMultiselection();

    if ( !result )

        {

        // Then try other flags

        TUint32 markableFlags =

            EAknListBoxStylusMarkableList |

            EAknListBoxStylusMultiselectionList |

            EAknListBoxMarkableList |

            EAknListBoxMultiselectionList;

        // Compare CEikListBox flags to Avkon markable list flags

        result = iListBoxFlags & markableFlags;

        }

    return result;

    }

void CPbk2ContactViewListBox::SetListCommands(

    const RPointerArray<MPbk2UiControlCmdItem>* aCommands )

    {

    iListboxModelDecorator->SetListCommands( aCommands );

    if( iColumnData )

        {

        iColumnData->SetListCommands( aCommands );

        }

    }

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

// CPbk2ContactViewListBox::ClipFromBeginning

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

//

TBool CPbk2ContactViewListBox::ClipFromBeginning

        ( TDes& aBuffer, TInt aItemIndex, TInt aSubCellNumber )

    {

    return AknTextUtils::ClipToFit( aBuffer,

        AknTextUtils::EClipFromBeginning, this,  aItemIndex,

        aSubCellNumber );

    }

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

// CPbk2ContactViewListBox::FocusedItemPointed

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

//

TBool CPbk2ContactViewListBox::FocusedItemPointed()

    {

    return iFocusedContactPointed;

    }

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

// CPbk2ContactViewListBox::FocusableItemPointed

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

//

TBool CPbk2ContactViewListBox::FocusableItemPointed()

    {

    return iFocusableContactPointed;

    }

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

// CPbk2ContactViewListBox::SearchFieldPointed

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

//

TBool CPbk2ContactViewListBox::SearchFieldPointed()

    {

    return EFalse;

    }

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

// CPbk2ContactViewListBox::HandleScrollEventL

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

//

void CPbk2ContactViewListBox::HandleScrollEventL(CEikScrollBar* aScrollBar, TEikScrollEvent aEventType)

    {   

    // Handle showing of popupcharacter when user scrolls list using using scroll bar

    TBool prevState = iShowPopupChar;

    iShowPopupChar = ( aEventType == EEikScrollThumbDragHoriz || aEventType == EEikScrollThumbDragVert );

    if( prevState != iShowPopupChar )

        {

        DrawDeferred();

        }

    CAknSingleGraphicStyleListBox::HandleScrollEventL( aScrollBar, aEventType );

    if( iScrollEventObserver )

        {

        iScrollEventObserver->HandleScrollEventL( aScrollBar, aEventType );

        }

    }

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

// CPbk2ContactViewListBox::CreateListBoxModelL

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

//

void CPbk2ContactViewListBox::CreateListBoxModelL

        ( const CVPbkContactManager& aManager, MVPbkContactViewBase& aView,

        MPbk2ContactNameFormatter& aNameFormatter,

        CPbk2StorePropertyArray& aStoreProperties )

    {

    __ASSERT_DEBUG( !iModel && !iListboxModelDecorator,

        Panic( EPanicPreCond_CreateListBoxModelL ) );

    // Set up listbox model

    CPbk2ContactViewListBoxModel::TParams params;

    params.iContactManager = &aManager;

    params.iView = &aView;

    params.iStoreProperties = &aStoreProperties;

    params.iNameFormatter = &aNameFormatter;

    params.iIconArray = IconArray( *this );

    params.iEmptyId = iResourceData.iEmptyIconId;

    params.iDefaultId = iResourceData.iDefaultIconId;

    params.iClipListBoxText = this;

    params.iUiExtension = iUiExtension;

    params.iMultiselection = IsMultiselection();

    CPbk2ContactViewListBoxModel* model = DoCreateModelL( params );

    model->SetUnnamedText( iResourceData.iUnnamedText );

    iModel = model;