/*

* Copyright (c) 2008-2009 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:    Container for Fecther Dialog

*

*/

// System includes

#include <avkon.rsg>                    

#include <AknUtils.h>                               // For AknLayoutUtils to calculate rect

#include <data_caging_path_literals.hrh>            // KDC_APP_RESOURCE_DIR			

#include <StringLoader.h>                           // For Empty text reading from resource

#include <akntitle.h>                               // Title Pane 

#include <mpxcollectionutility.h>                   // Mpx Collection path for medialist craetion

#include <gulicon.h>                                // Gul Icon 

#include <ganes/HgItem.h>                           // HG Item 

#include <ganes/HgGrid.h>                           // Hg Grid Widget

#include <AknsBasicBackgroundControlContext.h>      // Background Context

#include <glxuistd.h>                               // KGlxFetchontextPriorityNormal and KGlxIconsFilename           

#include <glxcollectionpluginall.hrh> 	            // All item collection plugin id

#include <glxfilterfactory.h>                       // For Filters required in Medilaits

#include <glxresourceutilities.h>                   // for CGlxResourceUtilities

#include <glxfetcherdialog.rsg>                     // FOR GETTING Dialog ID AND RESOURCE ID

#include <glxattributecontext.h>                    // TMPXAttribute

#include <glxattributeretriever.h>  	            // CGlxAttributeRetriever

#include <glxfetchcontextremover.h>                 // TGlxfetchContextRemover

#include <glxuiutility.h>                           // AknIconUtils and EikStatusPane

#include <glxtracer.h>                              // For Tracer logs

#include <glxlog.h>                                 // Glx Logger

#include <glxgridviewmlobserver.h>                  // Medialistobserver for HgGrid

#include <glxthumbnailcontext.h>                    // Thumbnailcontext for HgGrid

#include <glxicons.mbg>                             // Glx Icons for HgGrid                     

#include <mglxmedialist.h>				            // MGlxMediaList, CMPXCollectionPath

#include <glxcommandhandlers.hrh>                   // For EGlxCmdEndMultiplemarking and EGlxCmdStartMultiplemarking 

#include <glxthumbnailattributeinfo.h>              // KGlxMediaIdThumbnail

#include <glxerrormanager.h>

#include <glxdrmutility.h>                          // DRM utility class to provide DRM-related functionality

// User includes

#include "glxfetchercontainer.h"

#include "mglxeventobserver.h"

#include "glxfetcher.hrh"

#include "glxfetchercommandhandler.h"

const TInt KPadding(7);

const TInt KNoOfPages(4);

const TInt KBufferTreshold(1);

const TInt KItemsPerPage(18);

const TInt KBufferSize(KNoOfPages * KItemsPerPage);

const TInt KBufferTresholdSize(KBufferTreshold * KItemsPerPage);

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

// Two-phased constructor.

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

CGlxFetcherContainer* CGlxFetcherContainer::NewL(

        TGlxFilterItemType aFilterType, const TDesC& aTitle, 

        MGlxEventObserver& aEventObserver, TBool aMultiSelectionEnabled ) 

	{

	TRACER("CGlxFetcherContainer::NewL");

	CGlxFetcherContainer* self = 

	    new( ELeave ) CGlxFetcherContainer( aFilterType ,aTitle, 

	            aEventObserver, aMultiSelectionEnabled);

	CleanupStack::PushL( self );

	self->ConstructL();

	CleanupStack::Pop( self ); 

	return self;

	}

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

// C++ default constructor.

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

CGlxFetcherContainer::CGlxFetcherContainer(

        TGlxFilterItemType aFilterType ,const TDesC& aTitle,

        MGlxEventObserver& aEventObserver, TBool aMultiSelectionEnabled )

    : iFilterType( aFilterType ),

    iTitle( aTitle ),iEventObserver(aEventObserver),

    iMultiSelectionEnabled(aMultiSelectionEnabled)      

    {

    TRACER("CGlxFetcherContainer::CGlxFetcherContainer");

    // No implementation required

    }

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

// ConstructL()

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

void CGlxFetcherContainer::ConstructL()

    {

    TRACER("CGlxFetcherContainer::ConstructL");

    iBgContext = CAknsBasicBackgroundControlContext::NewL( 

            KAknsIIDQsnBgAreaMain, Rect(), EFalse );

    iUiUtility = CGlxUiUtility::UtilityL();

    iGridIconSize = iUiUtility->GetGridIconSize();

    // For DRM Utility

    iDRMUtility = CGlxDRMUtility::InstanceL();    

    SetFileAttached(EFalse);

    }

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

// Destructor

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

CGlxFetcherContainer::~CGlxFetcherContainer()

    {

    TRACER("CGlxFetcherContainer::~CGlxFetcherContainer");

    if (iDRMUtility)

        {

        iDRMUtility->Close();

        }            

    delete iBgContext;

    delete iPreviousTitle;

    delete iFetcherCommandHandler;

    delete iGlxGridMLObserver;  

    if (iHgGrid)

        {

        iHgGrid->SetFocus(EFalse);

        delete iHgGrid;

        iHgGrid = NULL;

        }

    if (iMediaList)

        {

        iMediaList->RemoveContext(iThumbnailContext);

        delete iThumbnailContext;

        iMediaList->Close();

        }

    if (iUiUtility)

        {

        iUiUtility->Close() ;

        }

    }

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

// CreateAndDisplayGridL

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

//  

void CGlxFetcherContainer::CreateAndDisplayGridL()

	{

	TRACER("CGlxFetcherContainer::CreateAndDisplayGridL");

    //Create Medialist

    CreateMediaListL();

	// Create the control here

    CreateHgGridWidgetL();

    CreateGridMediaListObserverL();

	// If multiple image selection is allowed, then set marking flag on grid widget.

	if(iMultiSelectionEnabled)

	    {

	    // Fetcher CommandHandler must be created after creating the medialist

	    iFetcherCommandHandler = CGlxFetcherCommandHandler::NewL( this , this );

	    iHgGrid->SetFlags( CHgScroller::EHgScrollerSelectionMode );

	    iMultipleMarkNotStarted = EFalse;

	    }

	}

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

// CreateMediaListL()

// Creates a collection path

// Create a filter as requested filtertype

// Creates the medialist

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

void CGlxFetcherContainer::CreateMediaListL() 

	{

	TRACER("CGlxFetcherContainer::CreateMediaListL");

	// Create path to the list of images and videos

	CMPXCollectionPath* path = CMPXCollectionPath::NewL();

	CleanupStack::PushL( path );

	path->AppendL(KGlxCollectionPluginAllImplementationUid);	// All item collection plugin  

	// Create filter to filter out either images or videos

	GLX_LOG_INFO1("CGlxFetcherContainer::MediaListL  - Filter Type = %d",iFilterType);

	CMPXFilter* filter = TGlxFilterFactory::CreateItemTypeFilterL(iFilterType);  

	CleanupStack::PushL(filter);

	// Create the media list

	iMediaList =  MGlxMediaList::InstanceL( *path, 

	                  TGlxHierarchyId(KGlxFetcherDllUid), filter );

	CleanupStack::PopAndDestroy( filter );

	GLX_LOG_INFO1("CGlxFetcherContainer::MediaListL  - Path level = %d",

	                                                     path->Levels());

	CleanupStack::PopAndDestroy( path );

	}

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

// CreateHgGridWidgetL

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

//  

void CGlxFetcherContainer::CreateHgGridWidgetL()

	{

    TRACER("CGlxFetcherContainer::CreateHgGridWidgetL");

    //Setting the Title

    SetTitleL( iTitle);

    iThumbnailContext = CGlxThumbnailContext::NewL( &iBlockyIterator ); // set the thumbnail context

    iThumbnailContext->SetDefaultSpec( iUiUtility->GetGridIconSize().iWidth,

            iUiUtility->GetGridIconSize().iHeight );

    iMediaList->AddContextL(iThumbnailContext, KGlxFetchContextPriorityNormal );

    if (!iHgGrid)

        {

        TRect rect;

        AknLayoutUtils::LayoutMetricsRect (AknLayoutUtils::EMainPane, rect);

        TSize iconSize (iUiUtility->GetGridIconSize().iWidth - (2*KPadding),

                iUiUtility->GetGridIconSize().iHeight -(2*KPadding));

        TFileName resFile(KDC_APP_BITMAP_DIR);

        resFile.Append(KGlxIconsFilename);

        CFbsBitmap* bitmap = NULL;

        CFbsBitmap* mask = NULL;

        AknsUtils::CreateIconLC(AknsUtils::SkinInstance(), KAknsIIDNone,

                bitmap, mask, resFile, EMbmGlxiconsQgn_prop_image_notcreated,

                EMbmGlxiconsQgn_prop_image_notcreated_mask);

        __ASSERT_DEBUG(bitmap, Panic(EGlxPanicNullPointer));

        __ASSERT_DEBUG(mask, Panic(EGlxPanicNullPointer));

        AknIconUtils::SetSize(bitmap, CHgGrid::PreferredImageSize(),

                EAspectRatioPreservedAndUnusedSpaceRemoved);

        AknIconUtils::SetSize(mask, CHgGrid::PreferredImageSize(),

                EAspectRatioPreservedAndUnusedSpaceRemoved);

        // Create Hg grid object

        iHgGrid = CHgGrid::NewL(rect, iMediaList->Count(), CGulIcon::NewL(

                bitmap, mask));

        CleanupStack::Pop(mask);

        CleanupStack::Pop(bitmap);

        }

    iHgGrid->SetSelectedIndex(iMediaList->FocusIndex());

    // Setting to MopParent to update background skin

    iHgGrid->SetMopParent(this);

    // Setting Selction observer for getting callback on key event change

    iHgGrid->SetSelectionObserver(*this);

    // This Displays the scrollbar at the opening of the Grid view

    iHgGrid->SetScrollBarTypeL(CHgScroller::EHgScrollerTimeStrip );

    // Enable Buffer support

    iHgGrid->EnableScrollBufferL(*this, KBufferSize, KBufferTresholdSize);

    // Enable Marking support

    iHgGrid->SetMarkingObserver(*this);

	iHgGrid->SetFocus(ETrue);

	}

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

// CreateGridMediaListObserverL

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

//  

void CGlxFetcherContainer::CreateGridMediaListObserverL()

    {

    }

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

// BufferPositionChanged

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

//  

void CGlxFetcherContainer::Request(TInt aRequestStart, TInt aRequestEnd,

        THgScrollDirection /*aDirection*/)

    {

    TRACER("CGlxFetcherContainer::Request()");

    TRAP_IGNORE(RequestL( aRequestStart, aRequestEnd ));

    }

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

// RequestL

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

//  

void CGlxFetcherContainer::RequestL(TInt aRequestStart, TInt aRequestEnd)

    {

    TRACER("CGlxFetcherContainer::RequestL()");

    TInt mediaCount = iMediaList->Count();

    aRequestStart = (aRequestStart<0 ? 0 : aRequestStart) ;

    aRequestEnd = (aRequestEnd>=mediaCount? (mediaCount -1): aRequestEnd);

    if (aRequestEnd - aRequestStart)

        {

        TInt visIndex = iHgGrid->FirstIndexOnScreen();

        if(visIndex >= mediaCount )

            {

            visIndex = mediaCount-1;

            }

        if(visIndex<0 || mediaCount<=0)

            {

            visIndex = 0;

            }

        GLX_LOG_INFO1("CGlxGridViewImp::Request - SetVisibleWindowIndex "

                "visIndex(%d)", visIndex);

        iMediaList->SetVisibleWindowIndexL(visIndex);

        }

    for (TInt i=aRequestStart; i<= aRequestEnd; i++)

        {

        SetIconsL(i);

        TInt firstIndex = iHgGrid->FirstIndexOnScreen();

        TInt lastOnScreen = firstIndex + iHgGrid->ItemsOnScreen() - 1;

        if (i >= firstIndex && i <= lastOnScreen)

            {

            GLX_LOG_INFO1("CGlxGridViewImp::Request - RefreshScreen i(%d)", i);

            iHgGrid->RefreshScreen(i);

            }

        }

    }

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

// SetIcons

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

//  

void CGlxFetcherContainer::SetIconsL(TInt aIndex)

    {

    TRACER("CGlxFetcherContainer::SetIconsL()");

    const TGlxMedia& item = iMediaList->Item(aIndex);

    TMPXAttribute thumbnailAttribute(KGlxMediaIdThumbnail, 

            GlxFullThumbnailAttributeId( ETrue,  iGridIconSize.iWidth, 

                    iGridIconSize.iHeight ) );

    TFileName resFile(KDC_APP_BITMAP_DIR);

    resFile.Append(KGlxIconsFilename);

    TIconInfo icon;

    TInt tnError = GlxErrorManager::HasAttributeErrorL(

            item.Properties(), KGlxMediaIdThumbnail );

    const CGlxThumbnailAttribute* value = item.ThumbnailAttribute( thumbnailAttribute );

    if (value)

        {

        CFbsBitmap* bitmap = new (ELeave) CFbsBitmap;

        bitmap->Duplicate( value->iBitmap->Handle());

        iHgGrid->ItemL(aIndex).SetIcon(CGulIcon::NewL(bitmap));

        GLX_LOG_INFO1("### CGlxGridViewImp::Request value-Index is %d",aIndex);

        }

    else if (item.GetIconInfo(icon))

        {

        GLX_LOG_INFO1("CGlxGridViewImp::Request - icon(%d)", aIndex);

        CFbsBitmap* bitmap = NULL;

        CFbsBitmap* mask = NULL;

        AknsUtils::CreateIconLC(AknsUtils::SkinInstance(), KAknsIIDNone,

                bitmap, mask, icon.bmpfile, icon.bitmapId, icon.maskId);

        __ASSERT_DEBUG(bitmap, Panic(EGlxPanicNullPointer));

        __ASSERT_DEBUG(mask, Panic(EGlxPanicNullPointer));

        AknIconUtils::SetSize(bitmap, CHgGrid::PreferredImageSize(),

                EAspectRatioPreservedAndUnusedSpaceRemoved);

        AknIconUtils::SetSize(mask, CHgGrid::PreferredImageSize(),

                EAspectRatioPreservedAndUnusedSpaceRemoved);

        iHgGrid->ItemL(aIndex).SetIcon(CGulIcon::NewL(bitmap, mask));

        CleanupStack::Pop(mask);

        CleanupStack::Pop(bitmap);

        GLX_LOG_INFO1("### CGlxGridViewImp::Request GetIconInfo-Index is %d",

                aIndex);

        }

    else if (KErrNone != tnError && KErrNotSupported != tnError)

        {

        GLX_LOG_INFO2(

                "CGlxGridViewImp::Request - image_corrupted tnError(%d), "

                    "i(%d)", tnError, aIndex);

        CFbsBitmap* bitmap = NULL;

        CFbsBitmap* mask = NULL;

        AknsUtils::CreateIconLC(AknsUtils::SkinInstance(), KAknsIIDNone,

                bitmap, mask, resFile, EMbmGlxiconsQgn_prop_image_corrupted,

                EMbmGlxiconsQgn_prop_image_corrupted_mask);

        __ASSERT_DEBUG(bitmap, Panic(EGlxPanicNullPointer));

        __ASSERT_DEBUG(mask, Panic(EGlxPanicNullPointer));

        AknIconUtils::SetSize(bitmap, CHgGrid::PreferredImageSize(),

                EAspectRatioPreservedAndUnusedSpaceRemoved);

        AknIconUtils::SetSize(mask, CHgGrid::PreferredImageSize(),

                EAspectRatioPreservedAndUnusedSpaceRemoved);

        iHgGrid->ItemL(aIndex).SetIcon(CGulIcon::NewL(bitmap, mask));

        CleanupStack::Pop(mask);

        CleanupStack::Pop(bitmap);

        }

    if (item.IsDrmProtected())

        {

        const TDesC& uri = item.Uri();

        if( uri.Length() > 0)

            {

            if(iDRMUtility->IsForwardLockedL(uri))

                {

                iHgGrid->ItemL(aIndex).SetFlags(

                        CHgItem::EHgItemFlagsDrmRightsValid);

                }

            else 

                {

                TMPXGeneralCategory  cat = item.Category();                  

                TBool checkViewRights = (cat==EMPXImage);

                if(iDRMUtility->ItemRightsValidityCheckL(uri, checkViewRights))

                    {

                    iHgGrid->ItemL(aIndex).SetFlags(

                            CHgItem::EHgItemFlagsDrmRightsValid);

                    }

                else

                    {

                    iHgGrid->ItemL(aIndex).SetFlags(

                            CHgItem::EHgItemFlagsDrmRightsExpired);

                    }

                }

            }

        }

    TTime time(0);

    if (item.GetDate(time))

        {

        iHgGrid->ItemL(aIndex).SetTime(time);

        }

    if (item.Category() == EMPXVideo)

        {

        iHgGrid->ItemL(aIndex).SetFlags(CHgItem::EHgItemFlagsVideo);

        }

    }

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

// Release

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

//  

void CGlxFetcherContainer::Release(TInt /*aReleaseStart*/, TInt /*aReleaseEnd*/)

    {

    TRACER("CGlxFetcherContainer::Release()");

    // This has to do nothing on default

    }

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

// HandleSelect

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

//  

void CGlxFetcherContainer::HandleSelectL( TInt aIndex )

    {

    TRACER("CGlxGridViewImp::HandleSelect()");

    // Make sure that the Selection Index is inside medialist count

    if (aIndex <iMediaList->Count() && aIndex >=0)

        {

        // Setting the focus of the medialist

        iMediaList->SetFocusL(NGlxListDefs::EAbsolute, aIndex);        

        }

    }

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

// HandleOpen

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

//  

void CGlxFetcherContainer::HandleOpenL( TInt aIndex )

    {

    TRACER("CGlxGridViewImp::HandleOpen()");

    // Make sure that the Selection Index is inside medialist count

    if (aIndex <iMediaList->Count() && aIndex >=0)

        {

        //ignore multiple tap events for single selection cases

        //if file has already been selected

        if(!iMultiSelectionEnabled && !iIsFileAttached)

	        {

	        iEventObserver.HandleDoubleTapEventL(EAknSoftkeySelect);

	        }

        }

    }

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

// HandleMarkingL

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

//  

void CGlxFetcherContainer::HandleMarkingL( TInt aIndex, TBool/* aMarked*/ )

    {

    TRACER("CGlxGridViewImp::HandleMarkingL()");

    HandleMultipleMarkingL(aIndex);

    iEventObserver.HandleMarkEventL();    

    }

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

// HandleMultipleMarkingL

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

//  

void CGlxFetcherContainer::HandleMultipleMarkingL(TInt aIndex )

    {

    TRACER("CGlxGridViewImp::HandleMultipleMarkingL()");

    if(iMediaList->IsSelected(aIndex))

        {

        if(iHgGrid)

            {

            if(iMultiSelectionEnabled)

	            {

	            iFetcherCommandHandler->DoExecuteL(EAknCmdUnmark, MediaList());	

	            }

            }

        }

    else

        {

        if(iHgGrid)

            {

            if(iUiUtility->IsPenSupported())

                {

                //This is required for the touch because here when we select

                //we do not get the event for mark in processcommandL 

                //of FetcherDialog. So we explicitly send the event to ourselves 

                //to mark the item.

                if (!iMultipleMarkNotStarted)

                    {

                    DoExecuteL(EAknCmdMark);

                    }

                }

            if(iMultiSelectionEnabled)