/*

* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Dialog containing the Downloads List

*

*/

// INCLUDE FILES

#include    "CDownloadsListDlg.h"

#include    "CDownloadUtils.h"

#include    "DownloadsListDlgObserver.h"

#include    "CDownloadsListArray.h"

#include    "DownloadMgrUiLib.hrh"

#include    "DMgrUiLibPanic.h"

#include    "UiLibLogger.h"

#include    <DownloadMgrUiLib.rsg>

#include    <e32std.h>

#include    <e32def.h>

#include    <eikmenub.h>

#include    <eikfrlb.h>

#include    <eikfrlbd.h>

#include    <aknlists.h>

#include    <StringLoader.h>

#include    <eikenv.h>

#include    <DocumentHandler.h>

#include "eikon.hrh"

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

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

// CDownloadsListDlg::CDownloadsListDlg

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

//

CDownloadsListDlg::CDownloadsListDlg( MDownloadsListDlgObserver& aDlgObserver )

:   iMyEikonEnv( *CEikonEnv::Static() ),

    iDlgObserver( aDlgObserver ),

    iProgressiveDownload( EFalse)

    {

    }

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

// CDownloadsListDlg::CDownloadsListDlg

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

//

CDownloadsListDlg::CDownloadsListDlg( MDownloadsListDlgObserver& aDlgObserver, TBool aProgressiveFlag )

:   iMyEikonEnv( *CEikonEnv::Static() ),

    iDlgObserver( aDlgObserver ),

    iProgressiveDownload(aProgressiveFlag)

    {

    }

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

// CDownloadsListDlg::ConstructL

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

//

void CDownloadsListDlg::ConstructL()

    {

    CLOG_ENTERFN("CDownloadsListDlg::ConstructL");

    CEikFormattedCellListBox* listBox = new (ELeave) CAknDoubleLargeGraphicPopupMenuStyleListBox;

    delete iListBox;

    iListBox = listBox;

    iIsMSKChangeHandled = EFalse;

    CAknPopupList::ConstructL( iListBox,

                               R_DMUL_DOWNLOADSLIST_SOFTKEYS_OPEN,

                               AknPopupLayouts::EMenuDoubleLargeGraphicWindow );

    iListBox->SetListBoxObserver(this);

    TInt flags = 0;

    listBox->ConstructL( this, flags );

    listBox->CreateScrollBarFrameL( ETrue );

    listBox->ScrollBarFrame()->SetScrollBarVisibilityL( CEikScrollBarFrame::EOff,

                                                        CEikScrollBarFrame::EAuto );

    HBufC* header = StringLoader::LoadLC( R_DMUL_DOWNLOADSLIST_HEADER );

    SetTitleL( *header );

    CleanupStack::PopAndDestroy( header );  // header

    header = NULL;

    // Create menu bar

    CEikMenuBar* newMenuBar = new (ELeave) CEikMenuBar();

    CleanupStack::PushL( newMenuBar );

    newMenuBar->ConstructL( this, NULL, R_DMUL_DOWNLOADSLIST_MENUBAR );

    iMyEikonEnv.EikAppUi()->AddToStackL( newMenuBar,

                                         ECoeStackPriorityMenu,

                                         ECoeStackFlagRefusesFocus );

    iMenuBar = newMenuBar;

    CleanupStack::Pop( newMenuBar ); // now owned by this.

    iRefreshTimer = CPeriodic::NewL( KRefreshTimerPriority );

    CLOG_WRITE(" iRefreshTimer created");

    iDownloadUtils = CDownloadUtils::NewL();

    CLOG_LEAVEFN("CDownloadsListDlg::ConstructL");

    }

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

// CDownloadsListDlg::NewL

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

//

CDownloadsListDlg* CDownloadsListDlg::NewL( MDownloadsListDlgObserver& aDlgObserver )

    {

    CDownloadsListDlg* self = new ( ELeave ) CDownloadsListDlg( aDlgObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CDownloadsListDlg::NewL

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

//

CDownloadsListDlg* CDownloadsListDlg::NewL( MDownloadsListDlgObserver& aDlgObserver, TBool aProgressiveFlag )

    {

    CDownloadsListDlg* self = new ( ELeave ) CDownloadsListDlg( aDlgObserver, aProgressiveFlag );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CDownloadsListDlg::~CDownloadsListDlg()

    {

    CLOG_ENTERFN("CDownloadsListDlg::~CDownloadsListDlg");

    if ( iMenuBar )

        {

        HideMenu();

        iMyEikonEnv.EikAppUi()->RemoveFromStack( iMenuBar );

        delete iMenuBar;

        iMenuBar = NULL;

        }

    delete iRefreshTimer;

    iRefreshTimer = 0;

    delete iListBox;

    iListBox = NULL;

    delete iDownloadUtils;

    iDownloadUtils = NULL;

    CLOG_LEAVEFN("CDownloadsListDlg::~CDownloadsListDlg");

    }

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

// CDownloadsListDlg::SetModelL

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

//

void CDownloadsListDlg::SetModelL( CDownloadsListArray& aModel )

    {

    CLOG_ENTERFN("CDownloadsListDlg::SetModelL");

    __ASSERT_DEBUG( iListBox, Panic( EUiLibPanNullListBoxInSetModel ) );

    // Remember for the model:

    iDownloadsListArray = &aModel;

    // Set item text and icon array

    iListBox->Model()->SetItemTextArray( &aModel.ItemTextArray() );

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

    // iListBox will own the icon array - it is owned also by aModel, so...

    // Delete old icon array JIC?

    //delete (iListBox->ItemDrawer()->FormattedCellData()->IconArray());

    //Above line has been changed as below to avoid code scanner error

    CArrayPtr<CGulIcon>* iconarray = iListBox->ItemDrawer()->FormattedCellData()->IconArray();

    delete iconarray;

    iconarray = NULL;

    iListBox->ItemDrawer()->FormattedCellData()->SetIconArray( &aModel.IconArray() );

    aModel.SetIconArrayOwnedExternally( ETrue );

    // Enable marquee.

    iListBox->ItemDrawer()->FormattedCellData()->EnableMarqueeL( ETrue );

    if ( aModel.Count() == 0 )

        {

        // Disable Options softkey.

        ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOptions, EFalse );

        CLOG_WRITE(" aModel.Count() == 0");

        }

    CLOG_LEAVEFN("CDownloadsListDlg::SetModelL");

    }

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

// CDownloadsListDlg::HandleModelChangeL

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

//

void CDownloadsListDlg::HandleModelChangeL( TDownloadsListDlgEvent aEvent, TInt aIndex )

    {

    CLOG_ENTERFN("CDownloadsListDlg::HandleModelChangeL");

    CLOG_WRITE_FORMAT(" aEvent: %d",aEvent);

    CLOG_WRITE_FORMAT(" aIndex: %d",aIndex);

    __ASSERT_DEBUG( iListBox, Panic( EUiLibPanNullListBoxInHandleModelChange ) );

    if ( aEvent == EDownloadAdded )

        {

        iListBox->HandleItemAdditionL();

        // Start refresh timer, if necessary

        if ( !iRefreshTimer->IsActive() && 0 < VisibleInProgressDownloads() )

            {

            iRefreshTimer->Start(

                KRefreshIntervalMicroSeconds,

                KRefreshIntervalMicroSeconds,

                TCallBack( RefreshTimerCallback, this ) );

            CLOG_WRITE(" iRefreshTimer strated");

            }

        }

    else if ( aEvent == EDownloadChanged )

        {

        // Redraw the item, but only if it is visible in order that

        // list box does not scroll to an invisible item

        // (as it does when calling DrawItem()).

        // Highlight does not change anyway.

        if ( iListBox->View()->ItemIsVisible( aIndex ) )

            {

            iListBox->DrawItem( aIndex );

            // Start refresh timer, if necessary

            if ( !iRefreshTimer->IsActive() && 0 < VisibleInProgressDownloads() )

                {

                iRefreshTimer->Start(

                    KRefreshIntervalMicroSeconds,

                    KRefreshIntervalMicroSeconds,

                    TCallBack( RefreshTimerCallback, this ) );

                CLOG_WRITE(" iRefreshTimer strated");

                }

            }

            if (!iIsMSKChangeHandled)

                {

                    HandleMiddleSoftKeyChangeL();

                }

        }

    else // ( aEvent == EDownloadRemoved )

        {

        CLOG_WRITE_FORMAT(" count: %d",iListBox->Model()->NumberOfItems());

        if ( aIndex == 0 )

            {

            // If there is at least one item still, then scroll to the first:

            if ( iListBox->Model()->NumberOfItems() > 0 )

                {

                iListBox->SetCurrentItemIndex( 0 ); // "0" = first

                }

            }

        else if ( aIndex > 0 )

            {

            iListBox->SetCurrentItemIndex( aIndex - 1 );

            }

        iListBox->HandleItemRemovalL();

        iListBox->DrawNow();

        // Stop refresh timer, if necessary

        if ( iRefreshTimer->IsActive() && VisibleInProgressDownloads() == 0 )

            {

            iRefreshTimer->Cancel();

            CLOG_WRITE(" iRefreshTimer cancelled");

            }

        }

    // Close the dialog, if necessary

    if ( iListBox->Model()->NumberOfItems() == 0 )

        {

        CancelPopup();

        }

    CLOG_LEAVEFN("CDownloadsListDlg::HandleModelChangeL");

    }

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

// CDownloadsListDlg::CurrentItemIndex

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

//

TInt CDownloadsListDlg::CurrentItemIndex() const

    {

    return (iListBox==NULL?KErrNotFound:iListBox->CurrentItemIndex());

    }

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

// CDownloadsListDlg::DisplayMenuL

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

//

void CDownloadsListDlg::DisplayMenuL()

    {

    __ASSERT_DEBUG( iMenuBar, Panic( EUiLibPanNullMenuBar ) );

    iMenuBar->TryDisplayMenuBarL();

    }

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

// CDownloadsListDlg::HideMenu

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

//

void CDownloadsListDlg::HideMenu()

    {

    __ASSERT_DEBUG( iMenuBar, Panic( EUiLibPanNullMenuBar ) );

    iMenuBar->StopDisplayingMenuBar();

    }

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

// CDownloadsListDlg::MenuShowing

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

//

TBool CDownloadsListDlg::MenuShowing() const

    {

    __ASSERT_DEBUG( iMenuBar, Panic( EUiLibPanNullMenuBar ) );

    return iMenuBar->IsDisplayed();

    }

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

// CDownloadsListDlg::HighlightDownload

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

//

void CDownloadsListDlg::HighlightDownload( RHttpDownload& aHighlightDl )

    {

    iHighlightDownload = &aHighlightDl;

    }

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

// CDownloadsListDlg::HandleMiddleSoftKeyChangeL

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

//

void CDownloadsListDlg::HandleMiddleSoftKeyChangeL()

    {

    TInt currentItemIndex = CurrentItemIndex();

    __ASSERT_DEBUG( 0 <= currentItemIndex, Panic( EUiLibPanDLNegItemIndex ) );

    RHttpDownload& currDownload = iDownloadsListArray->Download( currentItemIndex );

    CLOG_WRITE_FORMAT(" currDownload: 0x%x",&currDownload);

    // Get the UI data for the current download

    TDownloadUiData& dlData = iDownloadsListArray->DlUiData( CurrentItemIndex() );

    TInt32 state( dlData.iDownloadState );

    CLOG_WRITE_FORMAT(" state: %d",state);

    // The moved state is only a temporary state - the server

    // sets the download's original state back right after it,

    // thus we query the state again:

    if ( state == EHttpDlMoved )

        {

        User::LeaveIfError( currDownload.GetIntAttribute( EDlAttrState, state ) );

        //Changes for the bug JERI-7P8CF2

        //Changes made in the server side to fix the video center receiving unexpected events

        //Reassigning these events back to the changes done in server side

        if(state  == EHttpDlCompleted )

		    {

            state  = EHttpDlMultipleMOCompleted;

		    }

         else if(state  == EHttpDlFailed )

		    {

		     state  = EHttpDlMultipleMOFailed;

		    }

        CLOG_WRITE_FORMAT(" state re-query: %d",state);

        }

        __ASSERT_DEBUG( state != EHttpDlMoved, Panic( EUiLibPanStateIsStillMoved ) );

        TBool isCompleted   = state == EHttpDlMultipleMOCompleted;

        TBool isDrmDownload = EFalse;

        TBool isDrmRightsOnPhone = EFalse;

        TBool isPreviewRights = EFalse;

        // OMA DRM information is used only in case of completed downloads

        if ( isCompleted )

            {

            isDrmDownload = iDownloadUtils->DrmDownloadL( currDownload );

            if ( isDrmDownload )

                {

                isDrmRightsOnPhone = iDownloadUtils->DrmRightsOnThePhoneL

                                                    ( currDownload, isPreviewRights );

                }

            }

        TBool supported( EFalse );

        supported = iDownloadUtils->IsContentTypeSupportedL( dlData.iContentType );

        CLOG_WRITE_FORMAT(" supported: %d",supported);

        TBool isCodDownload( EFalse );

        TInt err = currDownload.GetBoolAttribute( EDlAttrCodDownload, isCodDownload );

        CLOG_WRITE_FORMAT(" EDlAttrCodDownload err: %d",err);

        TBool isCodPdDownload( EFalse );

        err = currDownload.GetBoolAttribute( EDlAttrCodPdAvailable, isCodPdDownload );

        CLOG_WRITE_FORMAT(" EDlAttrCodPdAvailable err: %d",err);

        // Get if it can be handled progressively

        TBool canProgHandled = EFalse;

        TUid pdPlayerUid = { 0 };

        HBufC8* contentType = iDownloadUtils->ContentTypeL( currDownload, ETrue );

        TDataType dataType( *contentType );

        delete contentType;

        contentType = NULL;

        CDocumentHandler* docHandler = CDocumentHandler::NewLC();

        canProgHandled = docHandler->CanHandleProgressivelyL( dataType, pdPlayerUid );

        CleanupStack::PopAndDestroy( docHandler ); // docHandler

        if ( isCompleted )

            {

            // If download is complete but file is not moved yet, do not show "Open"

            // menu item. Opening the file while it is being moved may result in

            // undefined behavior.

            TInt32 progressState = dlData.iProgressState;

            if ((progressState != EHttpProgContentFileMovedAndDestFNChanged) &&

                (progressState != EHttpProgContentFileMoved))

                {

                // Progressive downloads should open whenever user clicks on the

                // download. So return only if this download cannot be handled

                // progressively.

                if (!canProgHandled)

                    {

                    // Download State is complete but file is not moved yet.

                    // Hide the "Open" menu item and return.

                    ButtonGroupContainer()->SetCommandSetL( R_DMUL_DOWNLOADSLIST_SOFTKEYS_PLAY );

                    ButtonGroupContainer()->DrawNow();

                    ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, EFalse );

                    iIsMSKChangeHandled = EFalse;

                    return;

                    }

                }

            }

        if ( iProgressiveDownload || isCompleted )

            {

            if ( canProgHandled && !(state == EHttpDlPaused || state == EHttpDlMultipleMOFailed) )  // it can be inprogress or completed

               {

               ButtonGroupContainer()->SetCommandSetL( R_DMUL_DOWNLOADSLIST_SOFTKEYS_PLAY );

               ButtonGroupContainer()->DrawNow();

               ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, ETrue );

               iIsMSKChangeHandled = ETrue;

               if (isCodDownload && !isCompleted )

                  {

                  if ( !( supported && canProgHandled && isCodPdDownload &&

                     ( !isDrmDownload || ( isDrmDownload && isDrmRightsOnPhone ) ) ) )

                      {

                      ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, EFalse );

                      iIsMSKChangeHandled = EFalse;

                      }

                  }

                  else

                  {

                  if ( !( supported && canProgHandled &&

                        ( !isDrmDownload || ( isDrmDownload && isDrmRightsOnPhone ) ) ) )

                      {

                      ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, EFalse );

                      iIsMSKChangeHandled = EFalse;

                      }

                  }

               }

            else

               {

               ButtonGroupContainer()->SetCommandSetL( R_DMUL_DOWNLOADSLIST_SOFTKEYS_OPEN );

               ButtonGroupContainer()->DrawNow();

               ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, ETrue );

               iIsMSKChangeHandled = ETrue;

               if ( !( isCompleted && supported &&

                  ( !isDrmDownload || ( isDrmDownload && isDrmRightsOnPhone ) ) ) )

                  {

                  ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, EFalse );

                  iIsMSKChangeHandled = EFalse;

                  }

               }

            }

         else // if iProgressiveDownload == EFalse

            {

            ButtonGroupContainer()->SetCommandSetL( R_DMUL_DOWNLOADSLIST_SOFTKEYS_OPEN );

            ButtonGroupContainer()->DrawNow();

            ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, ETrue );

            iIsMSKChangeHandled = ETrue;

            if ( !( isCompleted && supported &&

               ( !isDrmDownload || ( isDrmDownload && isDrmRightsOnPhone ) ) ) )

               {

               ButtonGroupContainer()->MakeCommandVisible( EAknSoftkeyOpen, EFalse );

               iIsMSKChangeHandled = EFalse;

               }

            }

        }

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

// CDownloadsListDlg::ExecuteLD

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

//

TBool CDownloadsListDlg::ExecuteLD()

    {

    CLOG_ENTERFN("CDownloadsListDlg::ExecuteLD");

    iDlgObserver.PreLayoutDynInitL( *this );

    if ( iHighlightDownload )

        {

        // Find the index of this download

        TInt index( KErrNotFound );

        TInt err = iDownloadsListArray->Find( *iHighlightDownload, index );

        if ( !err )

            {

            iListBox->SetCurrentItemIndex( index );

            }

        }

    // Start refresh timer, if there is at least one visible download in

    // EHttpDlInprogress state.

    if ( !iRefreshTimer->IsActive() && 0 < VisibleInProgressDownloads() )

        {

        iRefreshTimer->Start(

            KRefreshIntervalMicroSeconds,

            KRefreshIntervalMicroSeconds,