/*

* Copyright (c) 2009 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:

*

*/

#include "MemSpyViewOpenFiles.h"

// System includes

#include <AknIconArray.h>

#include <eikdef.h>

#include <eikclbd.h>

#include <aknconsts.h>

#include <gulicon.h>

#include <avkon.mbg>

// Engine includes

#include <memspy/engine/memspyengine.h>

#include <memspy/engine/memspyengineobjectprocess.h>

#include <memspy/engine/memspyengineobjectthread.h>

#include <memspy/engine/memspyengineobjectcontainer.h>

#include <memspy/engine/memspyengineobjectthreadinfoobjects.h>

#include <memspy/engine/memspyengineobjectthreadinfocontainer.h>

#include <memspy/engine/memspyenginehelperprocess.h>

// User includes

#include "MemSpyUiUtils.h"

#include "MemSpyViewThreads.h"

#include "MemSpyViewMainMenu.h"

#include "MemSpyContainerObserver.h"

CMemSpyViewOpenFiles::CMemSpyViewOpenFiles( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver )

:   CMemSpyViewBase( aEngine, aObserver )

    {

    }

CMemSpyViewOpenFiles::~CMemSpyViewOpenFiles()

    {

    iThreadIds.Close();

    iFileNames.Close();

    }

void CMemSpyViewOpenFiles::ConstructL( const TRect& aRect, CCoeControl& aContainer, TAny* aSelectionRune )

    {

    _LIT( KTitle, "Open Files" );

    SetTitleL( KTitle );

    //

    CMemSpyViewBase::ConstructL( aRect, aContainer, aSelectionRune );

    }

CEikListBox* CMemSpyViewOpenFiles::ConstructListBoxL()

    {

    delete iListBox;

    iListBox = NULL;

    CAknDoubleGraphicStyleListBox* listbox = new (ELeave) CAknDoubleGraphicStyleListBox();

    iListBox = listbox;

    //

    listbox->ConstructL( this, EAknListBoxSelectionList | EAknListBoxLoopScrolling );

    listbox->SetContainerWindowL( *this );

    listbox->CreateScrollBarFrameL( ETrue );

    SetListBoxModelL();

    listbox->ScrollBarFrame()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );

    listbox->SetListBoxObserver( this );

    listbox->SetObserver( this );

    // Create icon array

    CAknIconArray* iconArray = new (ELeave) CAknIconArray(1);

    CleanupStack::PushL( iconArray );

    // Create bitmap

    CFbsBitmap* bitmap = new(ELeave) CFbsBitmap();

    CleanupStack::PushL( bitmap );

    const TInt error1 = bitmap->Create( TSize(10,10), EColor16M );

    User::LeaveIfError( error1 );

    // Create mask

    CFbsBitmap* mask = new(ELeave) CFbsBitmap();

    CleanupStack::PushL( mask );

    const TInt error2 = mask->Create( TSize(10,10), EColor16M );

    User::LeaveIfError( error2 );

    // Create icon & transfer bitmap

    CGulIcon* icon = CGulIcon::NewL( bitmap, mask );

    CleanupStack::Pop( 2, bitmap );

    CleanupStack::PushL( icon );

    // Transfer icon to array

    iconArray->AppendL( icon );

    CleanupStack::Pop( icon );

    // Give icon array to listbox

    static_cast<CEikFormattedCellListBox*>(iListBox)->ItemDrawer()->FormattedCellData()->SetIconArrayL(iconArray);

    CleanupStack::Pop( iconArray );

    //

    return listbox;

    }

void CMemSpyViewOpenFiles::RefreshL()

    {

    SetListBoxModelL();

    CMemSpyViewBase::RefreshL();

    }

TMemSpyViewType CMemSpyViewOpenFiles::ViewType() const

    {

    return EMemSpyViewTypeOpenFiles;

    }

TBool CMemSpyViewOpenFiles::HandleCommandL( TInt aCommand )

    {

    TBool handled = ETrue;

    //

    switch ( aCommand )

        {

	case EMemSpyCmdToolsListOpenFiles:

        OnCmdListOpenFilesL();

        break;

    default:

        handled = CMemSpyViewBase::HandleCommandL( aCommand );

        break;

        }

    //

    return handled;

    }

void CMemSpyViewOpenFiles::OnCmdListOpenFilesL()

    {

    iEngine.ListOpenFilesL();

    }

CMemSpyViewBase* CMemSpyViewOpenFiles::PrepareParentViewL()

    {

    CMemSpyViewMainMenu* parent = new(ELeave) CMemSpyViewMainMenu( iEngine, iObserver );

    CleanupStack::PushL( parent );

    parent->ConstructL( Rect(), *Parent(), (TAny*) ViewType() );

    CleanupStack::Pop( parent );

    return parent;

    }

CMemSpyViewBase* CMemSpyViewOpenFiles::PrepareChildViewL()

    {

    CMemSpyViewBase* child = NULL;

    // First, try to find the selected thread

    if  ( iActionedThreadId )

        {

        // Try to create a view of the thread in question

        CMemSpyProcess* process = NULL;

        CMemSpyThread* thread = NULL;

        const TInt error = iEngine.Container().ProcessAndThreadByThreadId( *iActionedThreadId, process, thread );

        if  ( error == KErrNone && thread != NULL )

            {

            child = new(ELeave) CMemSpyViewThreads( iEngine, iObserver, thread->Process() );

            CleanupStack::PushL( child );

            child->ConstructL( Rect(), *Parent(), thread );

            CleanupStack::Pop( child );

            }

        }

    //

    return child;

    }

void CMemSpyViewOpenFiles::SetListBoxModelL()

    {

    _LIT(KLineFormatSpec, "%d\t%S\t%S %S");

    CDesCArrayFlat* model = new(ELeave) CDesCArrayFlat(5);

    CleanupStack::PushL( model );

    TBuf<KMaxFullName + 50> item;

    TMemSpySizeText valueBuf;

    TBuf<64> timeBuf;

    iFileNames.Reset();

    iThreadIds.Reset();

    iActionedThreadId = NULL;

    RFs& fsSession = iCoeEnv->FsSession();

    TOpenFileScan scanner( fsSession );

    CFileList* list = NULL;

    scanner.NextL( list );

    TIdentityRelation<TEntry> comparer( CompareTEntryObjects );

    while( list != NULL )

        {

        CleanupStack::PushL( list );

        const TInt entryCount = list->Count();

        for(TInt i=0; i<entryCount; i++)

            {

            const TEntry& entry = (*list)[ i ];

            // Check for duplicates

            const TInt foundIndex = iFileNames.Find( entry, comparer );

            if  ( foundIndex == KErrNotFound )

                {

                // Get time and size format strings

                valueBuf = MemSpyUiUtils::FormatSizeText( entry.iSize );

                MemSpyUiUtils::FormatTimeL( timeBuf, entry.iModified );

                // Get just file name

                TParsePtrC parser( entry.iName );

                const TPtrC pJustName( parser.NameAndExt() );

                // Create item 

                item.Format( KLineFormatSpec, 0, &pJustName, &valueBuf, &timeBuf );

                model->AppendL( item );

                iThreadIds.AppendL( scanner.ThreadId() );

                iFileNames.AppendL( entry );

                }

            }

        CleanupStack::PopAndDestroy( list );

        list = NULL;

        scanner.NextL( list );

        }

    // Set up list box

    CAknSettingStyleListBox* listbox = static_cast< CAknSettingStyleListBox* >( iListBox );

    listbox->Model()->SetItemTextArray( model );

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

    CleanupStack::Pop( model );

    }

void CMemSpyViewOpenFiles::HandleListBoxItemActionedL( TInt aCurrentIndex )

    {

    if  ( aCurrentIndex >= 0 && aCurrentIndex < iThreadIds.Count() )

        {

        iActionedThreadId = &iThreadIds[ aCurrentIndex ];

        }

    else

        {

        iActionedThreadId = NULL;

        }

    // Notify observer about an item being 'fired'

    ReportEventL( MMemSpyViewObserver::EEventItemActioned );

    }

TBool CMemSpyViewOpenFiles::CompareTEntryObjects( const TEntry& aLeft, const TEntry& aRight )

    {

    return ( aLeft.iName.CompareF( aRight.iName ) == 0 );

    }