/*

* 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 "MemSpyViewThreadInfoItemList.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/memspyenginehelperprocess.h>

// User includes

#include "MemSpyContainerObserver.h"

#include "MemSpyViewThreads.h"

#include "MemSpyViewThreadInfoItemHeap.h"

#include "MemSpyViewThreadInfoItemStack.h"

#include "MemSpyViewThreadInfoItemChunk.h"

#include "MemSpyViewThreadInfoItemCodeSeg.h"

#include "MemSpyViewThreadInfoItemServer.h"

#include "MemSpyViewThreadInfoItemActiveObject.h"

#include "MemSpyViewThreadInfoItemGeneralInfo.h"

#include "MemSpyViewThreadInfoItemMemoryTracking.h"

// Constants

const TInt KMemSpyIdleResetListboxTimerPeriod = 250000;

CMemSpyViewThreadInfoItemList::CMemSpyViewThreadInfoItemList( CMemSpyEngine& aEngine, MMemSpyViewObserver& aObserver, CMemSpyThread& aThread )

:   CMemSpyViewBase( aEngine, aObserver ), iThread( aThread )

    {

    iThread.Process().Open();

    iThread.Open();

    }

CMemSpyViewThreadInfoItemList::~CMemSpyViewThreadInfoItemList()

    {

    delete iIdleResetListboxTimer;

    TRAP_IGNORE( 

        CMemSpyThreadInfoContainer& container = iThread.InfoContainerL();

        container.ObserverRemove( *this );

    );

    if  ( iCurrentInfoItem )

        {

        iCurrentInfoItem->Close();

        }

    iThread.Process().Close();

    iThread.Close();

    }

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

    {

    _LIT( KTitle, "Thread Objects" );

    SetTitleL( KTitle );

    //

    iIdleResetListboxTimer = CPeriodic::NewL( CActive::EPriorityIdle );

    //

    CMemSpyThreadInfoContainer& container = iThread.InfoContainerL();

    container.ObserverAddL( *this );

    //

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

    //

    if  ( aSelectionRune )

        {

        CMemSpyThreadInfoItemBase* selectedItem = reinterpret_cast< CMemSpyThreadInfoItemBase* >( aSelectionRune );

        const TInt index = container.InfoItemIndexByType( selectedItem->Type() );

        if  ( index >= 0 && index < iListBox->Model()->NumberOfItems() )

            {

            iListBox->SetCurrentItemIndex( index );

            HandleListBoxItemSelectedL( index );

            }

        }

    else if ( container.MdcaCount() > 0 )

        {

        iListBox->SetCurrentItemIndex( 0 );

        HandleListBoxItemSelectedL( 0 );

        }

    }

const CMemSpyProcess& CMemSpyViewThreadInfoItemList::Process() const

    {

    return iThread.Process();

    }

const CMemSpyThread& CMemSpyViewThreadInfoItemList::Thread() const

    {

    return iThread;

    }

const CMemSpyThreadInfoItemBase& CMemSpyViewThreadInfoItemList::CurrentInfoItem() const

    {

    __ASSERT_ALWAYS( iCurrentInfoItem != NULL, User::Invariant() );

    return *iCurrentInfoItem;

    }

void CMemSpyViewThreadInfoItemList::RefreshL()

    {

    SetListBoxModelL();

    CMemSpyViewBase::RefreshL();

    }

TMemSpyViewType CMemSpyViewThreadInfoItemList::ViewType() const

    {

    return EMemSpyViewTypeThreadInfoItemList;

    }

CMemSpyViewBase* CMemSpyViewThreadInfoItemList::PrepareParentViewL()

    {

    CMemSpyViewBase* parent = new(ELeave) CMemSpyViewThreads( iEngine, iObserver, iThread.Process() );

    CleanupStack::PushL( parent );

    parent->ConstructL( Rect(), *Parent(), &iThread );

    CleanupStack::Pop( parent );

    return parent;

    }

CMemSpyViewBase* CMemSpyViewThreadInfoItemList::PrepareChildViewL()

    {

    __ASSERT_ALWAYS( iCurrentInfoItem != NULL, User::Invariant() );

    CMemSpyViewBase* child = NULL;

    // Decide what type of child view to create...

    const TMemSpyThreadInfoItemType type = iCurrentInfoItem->Type();

    //

    switch( type )

        {

    case EMemSpyThreadInfoItemTypeHeap:

        child = new(ELeave) CMemSpyViewThreadInfoItemHeap( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeStack:

        child = new(ELeave) CMemSpyViewThreadInfoItemStack( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeChunk:

        child = new(ELeave) CMemSpyViewThreadInfoItemChunk( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeCodeSeg:

        child = new(ELeave) CMemSpyViewThreadInfoItemCodeSeg( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeServer:

        child = new(ELeave) CMemSpyViewThreadInfoItemServer( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeActiveObject:

        child = new(ELeave) CMemSpyViewThreadInfoItemActiveObject( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeGeneralInfo:

        child = new(ELeave) CMemSpyViewThreadInfoItemGeneralInfo( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeMemoryTracking:

        child = new(ELeave) CMemSpyViewThreadInfoItemMemoryTracking( iEngine, iObserver, iThread.InfoContainerL() );

        break;

    case EMemSpyThreadInfoItemTypeSession:

    case EMemSpyThreadInfoItemTypeSemaphore:

    case EMemSpyThreadInfoItemTypeMutex:

    case EMemSpyThreadInfoItemTypeTimer:

    case EMemSpyThreadInfoItemTypeLDD:

    case EMemSpyThreadInfoItemTypePDD:

    case EMemSpyThreadInfoItemTypeLogicalChannel:

    case EMemSpyThreadInfoItemTypeChangeNotifier:

    case EMemSpyThreadInfoItemTypeUndertaker:

    case EMemSpyThreadInfoItemTypeMessageQueue:

    case EMemSpyThreadInfoItemTypeConditionalVariable:

    case EMemSpyThreadInfoItemTypeOpenFiles:

    case EMemSpyThreadInfoItemTypeOtherThreads:

    case EMemSpyThreadInfoItemTypeOtherProcesses:

    case EMemSpyThreadInfoItemTypeOwnedThreadHandles:

    case EMemSpyThreadInfoItemTypeOwnedProcessHandles:

        child = new(ELeave) CMemSpyViewThreadInfoItemGeneric( iEngine, iObserver, iThread.InfoContainerL(), type );

        break;

    default:

        __ASSERT_ALWAYS( EFalse, User::Panic( _L("MemSpy-View"), 0) );

        break;

        }

    //

    CleanupStack::PushL( child );

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

    CleanupStack::Pop( child );

    return child;

    }

TBool CMemSpyViewThreadInfoItemList::HandleCommandL( TInt aCommand )

    {

    TBool handled = ETrue;

    //

    switch ( aCommand )

        {

	case EMemSpyCmdThreadInfoHandles:

        OnCmdInfoHandlesL();

        break;

    default:

        handled = CMemSpyViewBase::HandleCommandL( aCommand );

        break;

        }

    //

    return handled;

    }

void CMemSpyViewThreadInfoItemList::DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane )

    {

    if  ( aResourceId == R_MEMSPY_MENUPANE )

        {

        aMenuPane->SetItemDimmed( EMemSpyCmdThread, iThread.IsDead() );

        }

    else if ( aResourceId == MenuCascadeResourceId() )

        {

        // Always remove these items - they are only shown in the master thread view

        aMenuPane->SetItemDimmed( EMemSpyCmdThreadSetPriority, ETrue );

        aMenuPane->SetItemDimmed( EMemSpyCmdThreadEnd, ETrue );

        }

    }

void CMemSpyViewThreadInfoItemList::OnCmdInfoHandlesL()

    {

    iThread.InfoContainerForceSyncronousConstructionL().PrintL();

    }

void CMemSpyViewThreadInfoItemList::HandleMemSpyEngineInfoContainerEventL( TEvent aEvent, TMemSpyThreadInfoItemType aType )

    {

    if  ( aEvent == EInfoItemChanged )

        {

        }

    else if ( aEvent == EInfoItemDestroyed )

        {

        if  ( iCurrentInfoItem && iCurrentInfoItem->Type() == aType )

            {

            iCurrentInfoItem->Close();

            iCurrentInfoItem = NULL;

            }

        }

    iIdleResetListboxTimer->Cancel();

    iIdleResetListboxTimer->Start( KMemSpyIdleResetListboxTimerPeriod, KMemSpyIdleResetListboxTimerPeriod, TCallBack( IdleUpdateListBoxModel, this ) );

    }

void CMemSpyViewThreadInfoItemList::SetListBoxModelL()

    {

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

    listbox->Model()->SetItemTextArray( &iThread.InfoContainerL() );

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

    }

void CMemSpyViewThreadInfoItemList::HandleListBoxItemActionedL( TInt /*aIndex*/ )

    {

    // Notify observer about an item being 'fired'

    ReportEventL( MMemSpyViewObserver::EEventItemActioned );

    }

void CMemSpyViewThreadInfoItemList::HandleListBoxItemSelectedL( TInt aIndex )

    {

    if  ( iCurrentInfoItem )

        {

        CMemSpyThreadInfoItemBase* item = iCurrentInfoItem;

        iCurrentInfoItem = NULL;

        item->Close();

        }

    // Identify the type of item to display...

    iCurrentInfoItem = &iThread.InfoContainerL().Item( aIndex );

    iCurrentInfoItem->Open();

    // Notify observer about item selection

    ReportEventL( MMemSpyViewObserver::EEventItemSelected );

    }

TInt CMemSpyViewThreadInfoItemList::IdleUpdateListBoxModel( TAny* aSelf )

    {

    CMemSpyViewThreadInfoItemList* self = reinterpret_cast< CMemSpyViewThreadInfoItemList* >( aSelf );

    TRAP_IGNORE( self->DoIdleUpdateListBoxModelL() );

    return EFalse;

    }

void CMemSpyViewThreadInfoItemList::DoIdleUpdateListBoxModelL()

    {

    CMemSpyThreadInfoContainer& container = iThread.InfoContainerL();

    // Try to maintain current item selection if at all possible.

    TMemSpyThreadInfoItemType type = EMemSpyThreadInfoItemTypeHeap;

    if  ( iCurrentInfoItem )

        {

        type = iCurrentInfoItem->Type();

        }

    // Update list box & model

    SetListBoxModelL();

    iListBox->HandleItemAdditionL();

    RefreshL();

    // Try to select previous item if it is still available

    const TInt index = container.InfoItemIndexByType( type );

    if  ( index >= 0 && index < container.MdcaCount() )

        {

        iListBox->SetCurrentItemIndex( index );

        HandleListBoxItemSelectedL( index );

        }

    iIdleResetListboxTimer->Cancel();

    }