/*

* 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 "MemSpyViewHeapTrackingSettings.h"

// System includes

#include <hal.h>

#ifdef __EPOC32__

#include <e32rom.h>

#endif

#include <AknQueryDialog.h>

// 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/memspyenginehelpersysmemtracker.h>

#include <memspy/engine/memspyenginehelpersysmemtrackerconfig.h>

#include <memspyui.rsg>

#include <memspysession.h>

// User includes

#include "MemSpyUiUtils.h"

#include "MemSpySettings.h"

#include "MemSpyViewHeapTracking.h"

#include "MemSpyContainerObserver.h"

/*

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

:   CMemSpyViewBase( aEngine, aObserver )

    {

    }

*/

CMemSpyViewHeapTrackingSettings::CMemSpyViewHeapTrackingSettings( RMemSpySession& aSession, MMemSpyViewObserver& aObserver )

:   CMemSpyViewBase( aSession, aObserver )

    {

    }

CMemSpyViewHeapTrackingSettings::~CMemSpyViewHeapTrackingSettings()

    {

    }

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

    {

    _LIT( KTitle, "Settings" );

    SetTitleL( KTitle );

    //

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

    }

void CMemSpyViewHeapTrackingSettings::RefreshL()

    {

    SetListBoxModelL();

    CMemSpyViewBase::SizeChanged();

    CMemSpyViewBase::RefreshL();

    }

TMemSpyViewType CMemSpyViewHeapTrackingSettings::ViewType() const

    {

    return EMemSpyViewTypeHeapTrackingSettings;

    }

CMemSpyViewBase* CMemSpyViewHeapTrackingSettings::PrepareParentViewL()

    {

    CMemSpyViewHeapTracking* parent = new(ELeave) CMemSpyViewHeapTracking( iMemSpySession, iObserver );

    CleanupStack::PushL( parent );

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

    CleanupStack::Pop( parent );

    return parent;

    }

CMemSpyViewBase* CMemSpyViewHeapTrackingSettings::PrepareChildViewL()

    {

    const TInt index = iListBox->CurrentItemIndex();

    // Get current config    

    TMemSpyEngineHelperSysMemTrackerConfig config;    

    GetSwmtConfig( config );

    // This view abuses the child view callback to toggle field values and/or

    // display settings dialogs.

    if  ( index == 0 )

        {

        TInt period = config.iTimerPeriod.Int() / 1000000;

        CAknNumberQueryDialog* dialog = new(ELeave) CAknNumberQueryDialog( period );

        if  ( dialog->ExecuteLD( R_MEMSPY_HEAP_TRACKER_TIMER_PERIOD ) )

            {

            config.iTimerPeriod = period * 1000000;

            }

        }

    else if ( index == 1 )

        {

        TInt categories( config.iEnabledCategories );

        CSWMTCategorySelectionCheckBoxSettingItem* settingItem = new (ELeave) CSWMTCategorySelectionCheckBoxSettingItem( 0, categories );

        CleanupStack::PushL( settingItem );

        settingItem->ConstructL( EFalse,

                                 0,

                                 _L("SWMT Categories"),

                                 NULL,

                                 R_MEMSPYUI_SWMT_CATEGORIES_SETTING_PAGE,

                                 EAknCtPopupSettingList,

                                 NULL,

                                 NULL );

        CMemSpySWMTCategorySelectionCheckBoxSettingPage* dlg = new(ELeave) CMemSpySWMTCategorySelectionCheckBoxSettingPage( R_MEMSPYUI_SWMT_CATEGORIES_SETTING_PAGE, settingItem->ItemArray() );

        dlg->SetSettingPageObserver( settingItem );

        if  ( dlg->ExecuteLD( CAknSettingPage::EUpdateWhenChanged ) )

            {

            config.iEnabledCategories = categories;

            }

        CleanupStack::PopAndDestroy( settingItem );

        }

    else if ( index == 2 )

        {

        config.iDumpData = !config.iDumpData;

        }

    else if  ( index == 3 )

        {

        TName nameFilter;

        nameFilter.Copy( config.iThreadNameFilter );

        CMemSpyAllowEmptyDataDialog* dialog = new (ELeave) CMemSpyAllowEmptyDataDialog( nameFilter );

        if  ( dialog->ExecuteLD( R_MEMSPY_HEAP_TRACKER_NAME_FILTER ) )

            {

            config.iThreadNameFilter = nameFilter;

            }

        }

    // Push changes to SWMT    

    SetSwmtConfig( config );

    Settings().StoreSettingsL();

    RefreshL();

    return NULL;

    }

void CMemSpyViewHeapTrackingSettings::SetListBoxModelL()

    {

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

    CleanupStack::PushL( model );

    TBuf<KMaxFullName + 1> item;

    // Get current config    

    TMemSpyEngineHelperSysMemTrackerConfig config;    

    GetSwmtConfig( config );

    // 1st item

    _LIT( KItem1Format, "\tTracking timer period\t\t%d (sec)" );

    item.Format( KItem1Format, config.iTimerPeriod.Int() / 1000000 );

    model->AppendL( item );

    // 2nd item

    _LIT( KItem3Format, "\tCategories\t\t%d selected" );

    TInt count(0);

    for( TInt bit = TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryWindowGroups; bit > 0; bit = bit >> 1 )

        {

        if ( bit & config.iEnabledCategories )

            {

            count++;

            }

        }

    item.Format( KItem3Format, count );

    model->AppendL( item );

    // following items are related only to User Heap category, 

    // so hide them if User Heap is not selected

    if ( config.iEnabledCategories & TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryUserHeap )

        {

        // 3th item

        _LIT( KItem2Format, "\tDump data" );

        PrepareItemBufL( item, KItem2Format, config.iDumpData, config.iEnabledCategories & TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryUserHeap && config.iThreadNameFilter.Length() > 0 );

        model->AppendL( item );

        // 4th item

        if ( config.iDumpData )

            {

            _LIT( KItem4Format, "\tHeap data thread filter\t\t%S" );

            if ( config.iThreadNameFilter.Length() > 0 )

                {

                item.Format( KItem4Format, &config.iThreadNameFilter );

                }

            else

                {

                item.Format( KItem4Format, &_L("No filtering") );

                }

            model->AppendL( item );        

            }        

        }

    // Set up list box

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

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

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

    CleanupStack::Pop( model );

    }

void CMemSpyViewHeapTrackingSettings::PrepareItemBufL( TDes& aBuf, const TDesC& aCaption, TBool aStatus, TBool aHeapCategorySelected )

    {

    aBuf.Copy( aCaption ); 

    //

    if  ( aStatus )

        {

        if ( aHeapCategorySelected )

            {

            _LIT( KItemEnabled, "\t\tCustom" );

            aBuf.Append( KItemEnabled );            

            }

        else

            {

            _LIT( KItemEnabled, "\t\tAll user heaps" );

            aBuf.Append( KItemEnabled );   

            }

        }

    else

        {

        _LIT( KItemDisabled, "\t\tDisabled" );

        aBuf.Append( KItemDisabled );

        }

    }

void CMemSpyViewHeapTrackingSettings::GetSwmtConfig( TMemSpyEngineHelperSysMemTrackerConfig& aConfig )

	{

	TMemSpyEngineHelperSysMemTrackerConfig::TMemSpyEngineSysMemTrackerMode mode;

	iMemSpySession.GetSwmtMode( mode );

	aConfig.iMode = mode;

	TInt categories = 0;

	iMemSpySession.GetSwmtCategoriesL( categories );

	aConfig.iEnabledCategories = categories;

	TInt timerPeriod = 0;

	iMemSpySession.GetSwmtTimerIntervalL( timerPeriod );

	aConfig.iTimerPeriod = timerPeriod;

	TBool dumpData = EFalse;

	iMemSpySession.GetSwmtHeapDumpsEnabledL( dumpData );

	aConfig.iDumpData = dumpData;

	TName threadNameFilter;

	iMemSpySession.GetSwmtFilter( threadNameFilter );

	aConfig.iThreadNameFilter = threadNameFilter;

	}

void CMemSpyViewHeapTrackingSettings::SetSwmtConfig( TMemSpyEngineHelperSysMemTrackerConfig& aConfig )

	{

	iMemSpySession.SetSwmtMode( aConfig.iMode );

	iMemSpySession.SetSwmtCategoriesL( aConfig.iEnabledCategories );

	iMemSpySession.SetSwmtTimerIntervalL( aConfig.iTimerPeriod.Int() );

	iMemSpySession.SetSwmtHeapDumpsEnabledL( aConfig.iDumpData );

	iMemSpySession.SetSwmtFilter( aConfig.iThreadNameFilter );

	}

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

CSWMTCategorySelectionCheckBoxSettingItem::CSWMTCategorySelectionCheckBoxSettingItem( TInt aIdentifier, TInt& aCategories ): 

    CAknSettingItem(aIdentifier), iExtCategories( aCategories ) 

    {

    }   

CSWMTCategorySelectionCheckBoxSettingItem::~CSWMTCategorySelectionCheckBoxSettingItem()

    {

    delete iSettingText;

    if( iItemArray )

        {

        iItemArray->ResetAndDestroy();

        delete iItemArray;

        }

    }

CSelectionItemList* CSWMTCategorySelectionCheckBoxSettingItem::ItemArray() const

    {

    return iItemArray;

    }

void CSWMTCategorySelectionCheckBoxSettingItem::AddNewItemToArrayL(const TDesC& aLabel)

    {

    TBuf<64> buf;

    buf.Copy( aLabel );    

    CSelectableItem* item = new (ELeave) CSelectableItem( buf, EFalse );

    CleanupStack::PushL( item );

    item->ConstructL();

    iItemArray->AppendL( item ); // Ownership is transferred

    CleanupStack::Pop(); // item    

    }

void CSWMTCategorySelectionCheckBoxSettingItem::CompleteConstructionL()

    {

    SetEmptyItemTextL(_L("Nothing selected"));

    iItemArray = new(ELeave) CSelectionItemList(16);

    }

void CSWMTCategorySelectionCheckBoxSettingItem::StoreL()

    {

    iExtCategories = 0;

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryFileServerCache; 

    if ( iItemArray->At( 0 )->SelectionStatus() )

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryUserHeap; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryLocalChunks; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryGlobalChunks; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryRAMDrive; 

    if ( iItemArray->At( 3 )->SelectionStatus() )

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryRAMLoadedCode; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryKernelHandles; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryOpenFiles; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryDiskusage; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategorySystemMemory; 

        iExtCategories |= TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryWindowGroups; 

    }

void CSWMTCategorySelectionCheckBoxSettingItem::LoadL()

    {

    iItemArray->At( 0 )->SetSelectionStatus( iExtCategories & TMemSpyEngineHelperSysMemTrackerConfig::EMemSpyEngineSysMemTrackerCategoryUserHeap );

    }

void CSWMTCategorySelectionCheckBoxSettingItem::HandleSettingPageEventL( CAknSettingPage* aSettingPage, TAknSettingPageEvent aEventType )

    {

    switch( aEventType )

        {

        case EEventSettingOked:

            {

            // If settings oked, save new values

            StoreL();

            break;

            }

        case EEventSettingCancelled:

            {

            // If setting is cancelled, load old values

            LoadL();

            break;

            }

        case EEventSettingChanged:

            {

            // If setting has changed, update CBA visibility

            static_cast<CMemSpySWMTCategorySelectionCheckBoxSettingPage*>( aSettingPage )->UpdateCba();

            break;

            }

        default:

            {

            break;

            }

        }

    CAknSettingItem::HandleSettingPageEventL( aSettingPage, aEventType );

    }

CMemSpySWMTCategorySelectionCheckBoxSettingPage::CMemSpySWMTCategorySelectionCheckBoxSettingPage(TInt aResourceID, CSelectionItemList* aItemArray )

    : CAknCheckBoxSettingPage( aResourceID, aItemArray )

    {

    }

void CMemSpySWMTCategorySelectionCheckBoxSettingPage::UpdateCba()

    {

    // Cache the pointer to button group container

    CEikButtonGroupContainer* cba = Cba();

    // Left softkey should be visible if there are items selected,

    // i.e. the selection index array has items.

    TBool visible( ListBoxControl()->View()->SelectionIndexes()->Count() > 0 );

    // Resolve left softkey command id

    TInt leftId( cba->ButtonGroup()->CommandId( 0 ) );

    // Check if left softkey visibility has changed

    if( visible != cba->IsCommandVisible( leftId ) )

        {

        // Left softkey visibility has changed, update it

        cba->MakeCommandVisible( leftId, visible );

        }

    }

CMemSpyAllowEmptyDataDialog::CMemSpyAllowEmptyDataDialog( TDes& aText, const TTone& aTone )

    : CAknTextQueryDialog( aText, aTone )

    {

    }

void CMemSpyAllowEmptyDataDialog::UpdateLeftSoftKeyL()

    {

    MakeLeftSoftkeyVisible( ETrue );

    }