/*

* Copyright (c) 2006-2008 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:  File list container in file manager

*

*/

// INCLUDE FILES

#include <filemanager.rsg>

#include <aknlists.h>

#include <barsread.h>

#include <eikclbd.h>

#include <gulicon.h>

#include <aknsfld.h>

#include <CFileManagerEngine.h>

#include <CFileManagerFeatureManager.h>

#include <FileManagerPrivateCRKeys.h>

#include "CFileManagerFileListContainer.h"

#include "CFileManagerDocument.h"

#include "CFileManagerAppUi.h"

#include "FileManager.hrh"

#include "CFileManagerIconArray.h"

#include <aknview.h>

#include <eikmenub.h>

#include <eikmenup.h> // CEikMenuPane

// CONSTANTS

const TInt KTouchGestureThreshold = 30; // Threshold could be stored in CenRep

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

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

// CFileManagerFileListContainer::CFileManagerFileListContainer

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CFileManagerFileListContainer::CFileManagerFileListContainer(

        const TListType aType ) :

    iType( aType )

    {

    iAppUi = static_cast< CFileManagerAppUi* >( ControlEnv()->AppUi() );

    iDocument = static_cast< CFileManagerDocument* >( iAppUi->Document() );

    }

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

// CFileManagerFileListContainer::NewL

// 

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

// 

CFileManagerFileListContainer* CFileManagerFileListContainer::NewL(

        const TRect& aRect,

        const TInt aFocusedIndex,

        const TListType aType,

        const TInt aEmptyText,

        const TDesC& aHelpContext )

    {

    CFileManagerFileListContainer* self =

        new ( ELeave ) CFileManagerFileListContainer( aType );

    CleanupStack::PushL( self );

    self->ConstructL(

        aRect,

        aFocusedIndex,

        aEmptyText,

        aHelpContext );

    CleanupStack::Pop( self );

    return self;

    }

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

// CFileManagerFileListContainer::ConstructL

// 

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

// 

void CFileManagerFileListContainer::ConstructL(

        const TRect& aRect,

        const TInt aFocusedIndex,

        const TInt aEmptyText,

        const TDesC& aHelpContext )

    {

    CFileManagerFeatureManager& featureManager(

        iDocument->Engine().FeatureManager() );

    iRightLeftNaviSupported = featureManager.IsFeatureSupported(

        EFileManagerFeatureRightLeftNaviSupported );

    iOwnFastScrollDisabled = featureManager.IsFeatureSupported(

        EFileManagerFeatureOwnFastScrollDisabled );

    CFileManagerContainerBase::ConstructL( aRect, aFocusedIndex );

    SetEmptyTextL( aEmptyText );

    SetHelpContext( aHelpContext );

    }

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

// CFileManagerFileListContainer::CreateListBoxL

// 

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

// 

CEikTextListBox* CFileManagerFileListContainer::CreateListBoxL()

    {

    switch ( iType )

        {

        case EListMain:

            {

            CAknDoubleLargeStyleListBox* listBox =

                new( ELeave ) CAknDoubleLargeStyleListBox();

            CleanupStack::PushL( listBox );

            listBox->SetContainerWindowL( *this );

            listBox->ConstructL( this, EAknGenericListBoxFlags |

                EAknListBoxMenuList | EAknListBoxLoopScrolling );

            CFormattedCellListBoxData* column = listBox->ItemDrawer()->ColumnData();

            column->SetIconArray( iDocument->IconArray() );

            column->SetSkinEnabledL( ETrue );

            column->EnableMarqueeL( ETrue );

            CleanupStack::Pop( listBox );

            return listBox;

            }

        case EListMemoryStore: // FALLTHROUGH

        case EListFolder:

            {

            CAknColumnListBox* listBox = new( ELeave )

                        CFileManagerFileListContainer::CListBox( *this );

            CleanupStack::PushL( listBox );

            listBox->SetContainerWindowL( *this );

            listBox->ConstructL( this, EAknGenericListBoxFlags |

                EAknListBoxMenuList | EAknListBoxLoopScrolling |

                EAknListBoxStylusMarkableList );

            CColumnListBoxData* column = listBox->ItemDrawer()->ColumnData();

            column->SetIconArray( iDocument->IconArray() );

            column->SetSkinEnabledL( ETrue );

            // Disable lists MSK observer because the container will be used

            // as observer

            listBox->EnableMSKObserver( EFalse );

            column->EnableMarqueeL( ETrue );

            // Create search field popup

            iSearchField = CAknSearchField::NewL(

                *this, CAknSearchField::EPopup, NULL, KMaxFileName );

            iSearchField->MakeVisible( EFalse );

            iSearchField->SetSkinEnabledL( ETrue );

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

            CleanupStack::Pop( listBox );

            return listBox;

            }

        default:

            {

            User::Leave( KErrGeneral );

            break;

            }

        }

    return NULL;

    }

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

// CFileManagerFileListContainer::~CFileManagerFileListContainer

//

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

// 

CFileManagerFileListContainer::~CFileManagerFileListContainer()

    {

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

    if ( ListBoxExists() )

        {

        // before we destroy listbox in base class,

        // we have to set icon array to NULL

        // because we want to let document class own the icon array

        if ( iType == EListMain )

            {

            CAknDoubleLargeStyleListBox& listBox =

                static_cast< CAknDoubleLargeStyleListBox& >( ListBox() );

            listBox.ItemDrawer()->ColumnData()->SetIconArray( NULL );

            }

        else

            {

            CAknColumnListBox& listBox =

                static_cast< CAknColumnListBox& >( ListBox() );

            listBox.ItemDrawer()->ColumnData()->SetIconArray( NULL );

            }

        }

    delete iSearchField;

    }

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

// CFileManagerFileListContainer::OfferKeyEventL

// 

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

// 

TKeyResponse CFileManagerFileListContainer::OfferKeyEventL( 

        const TKeyEvent& aKeyEvent, TEventCode aType )

    {

    TKeyResponse response = OfferSearchKeyEventL( aKeyEvent, aType );

    if ( response == EKeyWasConsumed )

       {

       return response;

       }   

    TVwsViewId enabledViewId = TVwsViewId( KNullUid, KNullUid );

    iAppUi->GetActiveViewId( enabledViewId );

    TUid enabledViewUid = enabledViewId.iViewUid;

    CAknView* enabledView = iAppUi->View( enabledViewUid );

    CEikMenuBar* menuBar = NULL;

    if ( iAppUi->IsFileManagerView( enabledViewUid ) )

        {

        menuBar = enabledView->MenuBar();

        }

    switch( aKeyEvent.iCode )

        {

        case EKeyEnter: // FALLTHROUH

        case EKeyOK:

            {

            if ( ( menuBar != NULL ) && menuBar->ItemSpecificCommandsEnabled() )

                {

                iAppUi->ProcessCommandL( EFileManagerSelectionKey );

                response = EKeyWasConsumed;

                }

            break;

            }

        case EKeyDelete:    // FALLTHROUGH

        case EKeyBackspace:

            {

            if ( ( menuBar != NULL ) && menuBar->ItemSpecificCommandsEnabled() )

                {

                iAppUi->ProcessCommandL( EFileManagerDelete );

                response = EKeyWasConsumed;

                }

            break;

            }

        case EKeyLeftArrow: // FALLTHROUGH

        case EKeyRightArrow:

            {

            if ( iRightLeftNaviSupported )

                {

                // Depth navigation using arrows

                TInt commandId( EAknSoftkeyBack );

                if ( aKeyEvent.iCode == EKeyRightArrow )

                    {

                    commandId = EFileManagerOpen;

                    }

                iAppUi->ProcessCommandL( commandId );

                response = EKeyWasConsumed;

                }

            break;

            }

        case EKeyYes:

            {

            if ( AknLayoutUtils::PenEnabled() )

                {

                // Touch uses just the default functionality

                response = ListBox().OfferKeyEventL( aKeyEvent, aType );

                }

            else

                {

                iAppUi->ProcessCommandL( EFileManagerSend );

                response = EKeyWasConsumed;

                }

            break;

            }

        default:

            {

            response = ListBox().OfferKeyEventL( aKeyEvent, aType );

            break;

            }

        }

    return response;

    }

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

// CFileManagerFileListContainer::SetListEmptyL

// 

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

// 

void CFileManagerFileListContainer::SetListEmptyL()

    {

    if ( IsSearchFieldVisible() )

        {

        iSearchField->GetSearchText( iSearchText );

        iSearchFieldAfterRefresh = ETrue;

        EnableSearchFieldL( EFalse );

        }

    CFileManagerContainerBase::SetListEmptyL();

    }

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

// CFileManagerFileListContainer::RefreshListL

// 

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

// 

void CFileManagerFileListContainer::RefreshListL( TInt aFocusedIndex )

    {

    iDocument->ClearStringCache();

    SetTextArray( iDocument->FileList() );

    CFileManagerContainerBase::RefreshListL( aFocusedIndex );

    if ( iSearchFieldAfterRefresh )

        {

        iSearchFieldAfterRefresh = EFalse;

        EnableSearchFieldL( ETrue, iSearchText );

        }

    // Inform user about OOM, suppress other errors

    TInt err( iDocument->LastError() );

    if ( err == KErrNoMemory )

        {

        ControlEnv()->HandleError( KErrNoMemory );

        }

    }

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

// CFileManagerFileListContainer::HandleControlEventL

// From MCoeControlObserver, called by current listbox

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

// 

void CFileManagerFileListContainer::HandleControlEventL(

        CCoeControl* /* aControl*/, TCoeEvent aEventType )

    {

    if ( aEventType == EEventStateChanged )

        {

        iAppUi->ProcessCommandL( EFileManagerCheckMark ); // Inform change

        }

    }

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

// CFileManagerFileListContainer::CItemDrawer::CItemDrawer

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

//

CFileManagerFileListContainer::CItemDrawer::CItemDrawer(

    CTextListBoxModel* aTextListBoxModel,

    const CFont* aFont,

    CColumnListBoxData* aColumnData,

    CFileManagerFileListContainer& aContainer ) :

        CColumnListBoxItemDrawer(

            aTextListBoxModel, aFont, aColumnData ),

        iContainer( aContainer )

    {

    }

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

// CFileManagerFileListContainer::CItemDrawer::Properties

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

//

TListItemProperties CFileManagerFileListContainer::CItemDrawer::Properties( 

        TInt aItemIndex ) const

    {

    aItemIndex = iContainer.SearchFieldToListIndex( aItemIndex );

    TListItemProperties prop(

        CColumnListBoxItemDrawer::Properties( aItemIndex ) );

    // Do not allow folder marking

    if ( iContainer.iDocument->Engine().IsFolder( aItemIndex ) )

        {

        prop.SetHiddenSelection( ETrue );

        }

    return prop;

    }

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

// CFileManagerFileListContainer::CListBox::CListBox

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

//

CFileManagerFileListContainer::CListBox::CListBox(

        CFileManagerFileListContainer& aContainer ) :

    CAknSingleGraphicStyleListBox(),

    iContainer( aContainer )

    {

    }

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

// CFileManagerFileListContainer::CListBox::CreateItemDrawerL

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

//

void CFileManagerFileListContainer::CListBox::CreateItemDrawerL()

    {

    CColumnListBoxData* data = CColumnListBoxData::NewL();

    CleanupStack::PushL( data );

    iItemDrawer = new ( ELeave ) CFileManagerFileListContainer::CItemDrawer(

        Model(),

        iEikonEnv->NormalFont(),

        data,

        iContainer );

    CleanupStack::Pop( data );

    }

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

// CFileManagerFileListContainer::UpdateCba

// 

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

// 

void CFileManagerFileListContainer::UpdateCba()

    {

    iAppUi->NotifyCbaUpdate();

    }

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

// CFileManagerFileListContainer::HandlePointerEventL

// 

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

// 

void CFileManagerFileListContainer::HandlePointerEventL(

        const TPointerEvent &aPointerEvent )

    {

    if ( !iRightLeftNaviSupported )

        {

        CCoeControl::HandlePointerEventL( aPointerEvent );

        return;

        }

    if ( !AknLayoutUtils::PenEnabled() )

        {

        return;

        }

    TBool consumed( EFalse );

    switch ( aPointerEvent.iType )

        {

        case TPointerEvent::EButton1Down:

            {

            iDragStartPoint = aPointerEvent.iPosition;

            iDragging = EFalse;

            break;

            }

        case TPointerEvent::EDrag:

            {

            iDragging = ETrue;

            break;

            }

        case TPointerEvent::EButton1Up:

            {

            if ( iDragging )

                {

                iDragging = EFalse;

                // Solve drag direction and convert touch gesture to key event

                TInt xDelta( iDragStartPoint.iX - aPointerEvent.iPosition.iX );

                TInt keyCode( EKeyNull );

                if ( xDelta < -KTouchGestureThreshold )

                    {

                    keyCode = EKeyRightArrow;

                    }

                else if ( xDelta > KTouchGestureThreshold )

                    {

                    keyCode = EKeyLeftArrow;

                    }

                if ( keyCode != EKeyNull )

                    {

                    TKeyEvent keyEvent;

                    keyEvent.iCode = keyCode;

                    keyEvent.iScanCode = EStdKeyNull;

                    keyEvent.iModifiers = 0;

                    keyEvent.iRepeats = 1;

                    OfferKeyEventL( keyEvent, EEventKey );

                    consumed = ETrue;

                    }

                }

            break;

            }

        default:

            {

            iDragging = EFalse;

            break;

            }

        }

    if ( !consumed )

        {

        CCoeControl::HandlePointerEventL( aPointerEvent );

        }

    }

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

// CFileManagerFileListContainer::SizeChanged

// 

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

//

void CFileManagerFileListContainer::SizeChanged()

    {

    if ( iSearchField )

        {

        AknFind::HandlePopupFindSizeChanged( this, &ListBox(), iSearchField );

        }

    else

        {

        CFileManagerContainerBase::SizeChanged();

        }

    }

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

// CFileManagerFileListContainer::CountComponentControls

// 

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

//

TInt CFileManagerFileListContainer::CountComponentControls() const

    {

    TInt ret( CFileManagerContainerBase::CountComponentControls() );

    if ( iSearchField )

        {

        ++ret;

        }

    return ret;

    }

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

// CFileManagerFileListContainer::ComponentControl

// 

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

//

CCoeControl* CFileManagerFileListContainer::ComponentControl( TInt aIndex ) const

    {

    if ( aIndex < CFileManagerContainerBase::CountComponentControls() )

        {

        return CFileManagerContainerBase::ComponentControl( aIndex );

        }

    if ( aIndex < CountComponentControls() )

        {

        return iSearchField;

        }

    return NULL;

    }    

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

// CFileManagerFileListContainer::ListBoxCurrentItemIndex